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Connaughton SL, Williams A, Anderson F, Kelman KR, Peterse J, Gardner GE. Quantification of hardware effects of an on-line Dual Energy X-ray Absorptiometry scanner when predicting lamb carcass composition. Meat Sci 2024; 212:109452. [PMID: 38368712 DOI: 10.1016/j.meatsci.2024.109452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 02/05/2024] [Accepted: 02/11/2024] [Indexed: 02/20/2024]
Abstract
An on-line Dual Energy X-ray Absorptiometry (DXA) scanner's tissue composition prediction precision and accuracy was tested across the entire height of the unit's detector, and the hardware was assessed for robustness by measuring X-ray photon intensity throughout production days. There was good precision when predicting the tissue composition of 5 different lamb fat and lean muscle mixtures across 3 different thicknesses (R2 = 0.93 to 0.98, RMSE = 3.18% to 5.83%), however was less precise at the greatest thickness of 200 mm (R2 = 0.59, RMSE = 11.4%). There was no significant difference in the prediction of tissue composition at 8 of the 9 detector positions, however the position at the perpendicular of the X-ray photon beam was significantly different, with a fat prediction error of -4%, although no lamb carcass is detected in this position during normal production. A significant upwards drift in X-ray photon intensity was found over the course of production, especially immediately after restarting the DXA scanner following a period of inactivity. This upwards drift may affect tissue composition predictions over the span of a production day if uncorrected.
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Affiliation(s)
- Stephen Louis Connaughton
- Murdoch University, 90 South Street, Murdoch, Western Australia, Australia; Advanced Livestock Measurement Technologies, 90 South Street, Murdoch, Western Australia, Australia.
| | - Andrew Williams
- Murdoch University, 90 South Street, Murdoch, Western Australia, Australia; Advanced Livestock Measurement Technologies, 90 South Street, Murdoch, Western Australia, Australia
| | - Fiona Anderson
- Murdoch University, 90 South Street, Murdoch, Western Australia, Australia; Advanced Livestock Measurement Technologies, 90 South Street, Murdoch, Western Australia, Australia
| | - Khama R Kelman
- Murdoch University, 90 South Street, Murdoch, Western Australia, Australia
| | - Jarno Peterse
- Murdoch University, 90 South Street, Murdoch, Western Australia, Australia
| | - Graham Edwin Gardner
- Murdoch University, 90 South Street, Murdoch, Western Australia, Australia; Advanced Livestock Measurement Technologies, 90 South Street, Murdoch, Western Australia, Australia
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Sornay-Rendu E, Duboeuf F, Chapurlat RD. Postmenopausal women with normal BMD who have fractures have deteriorated bone microarchitecture: A prospective analysis from The OFELY study. Bone 2024; 182:117072. [PMID: 38492712 DOI: 10.1016/j.bone.2024.117072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/01/2024] [Accepted: 03/13/2024] [Indexed: 03/18/2024]
Abstract
Most postmenopausal women who sustain fragility fracture (Fx) have their areal bone mineral density (BMD) above the osteoporosis threshold. A sizeable proportion of them have normal aBMD. This study aimed to prospectively investigate the association of fragility Fx with bone microarchitecture (MA) assessed by high-resolution peripheral computed tomography (HR-pQCT) in postmenopausal women without low BMD. At the 14th annual follow-up of the OFELY study, we measured bone MA at the distal radius and tibia with HR-pQCT in addition to areal BMD with DXA, in 586 postmenopausal women. Among them, 166 (29 %) women, mean (SD) age 65 (8) yr, had normal BMD defined as a T score ≥ -1 at the lumbar spine, femoral neck, and total hip. During a median [IQR] 15 [14-15] yr of follow-up, 46 of those women sustained incident fragility Fx, including 19 women with a major osteoporotic Fx (clinical spine, forearm, proximal humerus, hip). Women who sustained Fx did not differ for age, BMI, tobacco and alcohol use, diabetes, falls, FRAX®, aBMD, and TBS compared with women without incident Fx. In contrast, they had significant impairment of volumetric densities, cortical area (Ct. Ar) and thickness (Ct. Th), stiffness (K), and estimated failure load (FL) at the radius compared with women without incident Fx. At the radius, each SD decrease of volumetric densities, Ct.Ar, Ct.Th, K, and estimated FL were significantly associated with an increased risk of all fragility fractures with hazard ratios (HR) from 1.44 to 1.56 and of major osteoporotic fractures (HR from 1.66 to 2.57). Lesser impairment of bone MA was seen at the tibia. We conclude that even in women with normal areal BMD fragility fractures are associated with deterioration of bone microarchitecture.
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Affiliation(s)
| | - F Duboeuf
- INSERM UMR 1033 and Université de Lyon, France.
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Rydin AA, Severn C, Pyle L, Morelli N, Shoemaker AH, Chung ST, Yanovski JA, Han JC, Higgins JA, Nadeau KJ, Fox C, Kelly AS, Cree MG. Prediction of resting energy expenditure for adolescents with severe obesity: A multi-centre analysis. Pediatr Obes 2024:e13123. [PMID: 38658523 DOI: 10.1111/ijpo.13123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 02/06/2024] [Accepted: 02/26/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND AND OBJECTIVES Resting energy expenditure (REE) assessments can help inform clinical treatment decisions in adolescents with elevated body mass index (BMI), but current equations are suboptimal for severe obesity. We developed a predictive REE equation for youth with severe obesity and obesity-related comorbidities and compared results to previously published predictive equations. METHODS Data from indirect calorimetry, clinical measures, and body composition per Dual x-ray absorptiometry (DXA) were collected from five sites. Data were randomly divided into development (N = 438) and validation (N = 118) cohorts. A predictive equation was developed using Elastic Net regression, using sex, race, ethnicity, weight, height, BMI percent of the 95th%ile (BMIp95), waist circumference, hip circumference, waist/hip ratio, age, Tanner stage, fat and fat-free mass. This equation was verified in the validation cohort and compared with 11 prior equations. RESULTS Data from the total cohort (n = 556, age 15 ± 1.7 years, 77% female, BMIp95 3.3 ± 0.94) were utilized. The best fit equation was REE = -2048 + 18.17 × (Height in cm) - 2.57 × (Weight in kg) + 7.88 × (BMIp95) + 189 × (1 = male, 0 = female), R2 = 0.466, and mean bias of 23 kcal/day. CONCLUSION This new equation provides an updated REE prediction that accounts for severe obesity and metabolic complications frequently observed in contemporary youth.
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Affiliation(s)
- Amy A Rydin
- Section of Pediatric Endocrinology, Department of Pediatrics, Children's Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Cameron Severn
- Department of Pediatrics, Children's Hospital Colorado, Aurora, Colorado, USA
- Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, Colorado, USA
| | - Laura Pyle
- Department of Pediatrics, Children's Hospital Colorado, Aurora, Colorado, USA
- Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, Colorado, USA
| | - Nazeen Morelli
- Section of Pediatric Endocrinology, Department of Pediatrics, Children's Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Ashley H Shoemaker
- Division of Pediatric Endocrinology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Stephanie T Chung
- Section on Pediatric Diabetes, Obesity, and Metabolism, National Institutes of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, Maryland, USA
| | - Jack A Yanovski
- Section on Growth and Obesity, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Joan C Han
- Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics, Mount Sinai Kravis Children's Hospital, Icahn School of Medicine, New York, New York, USA
| | - Janine A Higgins
- Section of Pediatric Endocrinology, Department of Pediatrics, Children's Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Section of Nutrition, Department of Pediatrics, Children's Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Kristen J Nadeau
- Section of Pediatric Endocrinology, Department of Pediatrics, Children's Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Ludeman Family Center for Women's Health Research, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Claudia Fox
- Center for Pediatric Obesity Medicine, Department of Pediatrics, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Aaron S Kelly
- Center for Pediatric Obesity Medicine, Department of Pediatrics, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Melanie G Cree
- Section of Pediatric Endocrinology, Department of Pediatrics, Children's Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Ludeman Family Center for Women's Health Research, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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Dorilleau C, Kanagaratnam L, Charlot I, Hittinger A, Bertin E, Salmon JH, Geoffroy M. "The least significant change on bone mineral density scan increased in patients with higher degrees of obesity". Aging Clin Exp Res 2024; 36:98. [PMID: 38652346 DOI: 10.1007/s40520-024-02736-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 03/15/2024] [Indexed: 04/25/2024]
Abstract
BACKGROUND The least significant change (LSC) threshold of 0.03 g/cm² is used to interpret bone mineral density (BMD) scans in the general population. Our working hypothesis was that the current LSC threshold would not be applicable in obese populations. AIMS The aim of this study was to calculate the LSC in an obese population. METHODS We performed an interventional study among 120 obesity patients, in whom two measurements of BMD were performed at 3 sites. Pairs of measures were used to calculate the LSC, using the Bland and Altman method. RESULTS We calculated that the LSC was 0.046 g/cm² at the lumbar spine, 0.069 g/cm² at the femoral neck, and 0.06 g/cm² at the total hip. We also calculated the LSC for each class of obesity and observed an increase in LSC with increasing body mass index (BMI). We calculated a LSC of 0.05 g/cm² in patients with class 2 or class 3 obesity, whereas the LSC in patients with class 1 obesity is similar to the threshold used in the general population. DISCUSSION In obese population, like BMD, LSC is higher than the threshold value of the general population, and increases with increasing BMI. CONCLUSION LSC of 0.05 g/cm² could be used in clinical practice in patients with class 2 or 3 obesity. These findings should help to improve the interpretation of BMD scans in these patients and optimize their management. TRIAL REGISTRATION NUMBER Comité de Protection des Personnes Ile-de France VII, France.
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Affiliation(s)
- Claire Dorilleau
- Rheumatology Department, University Hospital Center of Reims, 45 Rue Cognacq-Jay, Reims, Reims, 51092, France
| | - Lukshe Kanagaratnam
- Department of Clinical Research and Innovation, University Hospital Center of Reims, Reims, France
- Faculty of Medicine, URCA - University of Reims Champagne Ardenne, Reims, France
| | - Isabelle Charlot
- Rheumatology Department, University Hospital Center of Reims, 45 Rue Cognacq-Jay, Reims, Reims, 51092, France
| | - Ambre Hittinger
- Rheumatology Department, University Hospital Center of Reims, 45 Rue Cognacq-Jay, Reims, Reims, 51092, France
| | - Eric Bertin
- Performance, Health, Metrology, Society Laboratory (PSMS, EA 7507) of Reims Champagne-Ardenne University and Clinical Nutrition Transversal Unit (UTNC) of Reims University Hospital, Endocrinology Nutrition Department, University Hospital Center of Reims, Reims, France
- Faculty of Medicine, URCA - University of Reims Champagne Ardenne, Reims, France
| | - Jean-Hugues Salmon
- Rheumatology Department, University Hospital Center of Reims, 45 Rue Cognacq-Jay, Reims, Reims, 51092, France
- Faculty of Medicine, URCA - University of Reims Champagne Ardenne, Reims, France
| | - Marion Geoffroy
- Rheumatology Department, University Hospital Center of Reims, 45 Rue Cognacq-Jay, Reims, Reims, 51092, France.
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Tobias JH, Nethander M, Faber BG, Heppenstall SV, Ebsim R, Cootes T, Lindner C, Saunders FR, Gregory JS, Aspden RM, Harvey NC, Kemp JP, Frysz M, Ohlsson C. Femoral neck width genetic risk score is a novel independent risk factor for hip fractures. J Bone Miner Res 2024; 39:241-251. [PMID: 38477772 DOI: 10.1093/jbmr/zjae002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/02/2023] [Accepted: 11/09/2023] [Indexed: 03/14/2024]
Abstract
Femoral neck width (FNW) derived from DXA scans may provide a useful adjunct to hip fracture prediction. Therefore, we investigated whether FNW is related to hip fracture risk independently of femoral neck bone mineral density (FN-BMD), using a genetic approach. FNW was derived from points automatically placed on the proximal femur using hip DXA scans from 38 150 individuals (mean age 63.8 yr, 48.0% males) in UK Biobank (UKB). Genome-wide association study (GWAS) identified 71 independent genome-wide significant FNW SNPs, comprising genes involved in cartilage differentiation, hedgehog, skeletal development, in contrast to SNPs identified by FN-BMD GWAS which primarily comprised runx1/Wnt signaling genes (MAGMA gene set analyses). FNW and FN-BMD SNPs were used to generate genetic instruments for multivariable Mendelian randomization. Greater genetically determined FNW increased risk of all hip fractures (odds ratio [OR] 1.53; 95% CI, 1.29-1.82 per SD increase) and femoral neck fractures (OR 1.58;1.30-1.92), but not trochanteric or forearm fractures. In contrast, greater genetically determined FN-BMD decreased fracture risk at all 4 sites. FNW and FN-BMD SNPs were also used to generate genetic risk scores (GRSs), which were examined in relation to incident hip fracture in UKB (excluding the FNW GWAS population; n = 338 742, 3222 cases) using a Cox proportional hazards model. FNW GRS was associated with increased risk of all incident hip fractures (HR 1.08;1.05-1.12) and femoral neck fractures (hazard ratio [HR] 1.10;1.06-1.15), but not trochanteric fractures, whereas FN-BMD GRS was associated with reduced risk of all hip fracture types. We conclude that the underlying biology regulating FNW and FN-BMD differs, and that DXA-derived FNW is causally related to hip fractures independently of FN-BMD, adding information beyond FN-BMD for hip fracture prediction. Hence, FNW derived from DXA analyses or a FNW GRS may contribute clinically useful information beyond FN-BMD for hip fracture prediction.
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Affiliation(s)
- Jonathan H Tobias
- Musculoskeletal Research Unit, Translational Health Sciences, Southmead Hospital, University of Bristol, Bristol BS10 5NB, United Kingdom
- Medical Research Council Integrative Epidemiology Unit, Population Health Sciences, University of Bristol, Bristol BS8 2BN, United Kingdom
| | - Maria Nethander
- Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, 41345 Gothenburg, Sweden
- Bioinformatics and Data Center, Sahlgrenska Academy at University of Gothenburg, 40530 Gothenburg, Sweden
| | - Benjamin G Faber
- Musculoskeletal Research Unit, Translational Health Sciences, Southmead Hospital, University of Bristol, Bristol BS10 5NB, United Kingdom
- Medical Research Council Integrative Epidemiology Unit, Population Health Sciences, University of Bristol, Bristol BS8 2BN, United Kingdom
| | - Sophie V Heppenstall
- Musculoskeletal Research Unit, Translational Health Sciences, Southmead Hospital, University of Bristol, Bristol BS10 5NB, United Kingdom
| | - Raja Ebsim
- Division of Informatics, Imaging and Data Sciences, School of Health Sciences, The University of Manchester, Manchester M13 9PT, United Kingdom
| | - Tim Cootes
- Division of Informatics, Imaging and Data Sciences, School of Health Sciences, The University of Manchester, Manchester M13 9PT, United Kingdom
| | - Claudia Lindner
- Division of Informatics, Imaging and Data Sciences, School of Health Sciences, The University of Manchester, Manchester M13 9PT, United Kingdom
| | - Fiona R Saunders
- Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen AB24 3FX, United Kingdom
| | - Jenny S Gregory
- Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen AB24 3FX, United Kingdom
| | - Richard M Aspden
- Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen AB24 3FX, United Kingdom
| | - Nicholas C Harvey
- Medical Research Council Lifecourse Epidemiology Centre, University of Southampton, Southampton SO16 6YD, United Kingdom
- NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton SO16 6YD, United Kingdom
| | - John P Kemp
- Mater Research Institute, University of Queensland, Brisbane QLD, Australia 4102
| | - Monika Frysz
- Musculoskeletal Research Unit, Translational Health Sciences, Southmead Hospital, University of Bristol, Bristol BS10 5NB, United Kingdom
| | - Claes Ohlsson
- Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, 41345 Gothenburg, Sweden
- Department of Drug Treatment, Sahlgrenska University Hospital, 41345 Gothenburg, Sweden
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Melanie KF, Gabriele A, Stephanie G, Robert T, Renè R, Bess DH, Kanis John A, Hofbauer Lorenz C, Schimmer Ralph C, Bruno V, Da Silva José AP, John OE, Kressig Reto W, Andreas E, Wei L, Wanner Guido A, Bischoff-Ferrari Heike A. Effects of vitamin D3, omega-3 s and a simple strength training exercise program on bone health: the DO-HEALTH randomized controlled trial. J Bone Miner Res 2024:zjae054. [PMID: 38613445 DOI: 10.1093/jbmr/zjae054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 03/13/2024] [Indexed: 04/15/2024]
Abstract
INTRODUCTION Evidence on the effects of Vitamin D, omega-3 s and exercise on aBMD in healthy older adults is limited. We examined whether vitamin D3, omega-3 s, or a simple home-based exercise program (SHEP), alone or in combination, over three years, improve lumbar spine (LS), femoral neck (FN) or total hip (TH) aBMD assessed by DXA. METHODS aBMD was a secondary outcome in DO-HEALTH, a 3-year, multicenter, double-blind, randomized 2 × 2 × 2 factorial design trial in generally healthy older adults age ≥ 70 years. The study interventions were vitamin D3 (2000IU/d), omega-3 s (1 g/d), and SHEP (3 × 30 min/wk), applied alone or in combination in 8 treatment arms. Mixed effect models were used adjusting for age, sex, BMI, prior fall, study site and baseline level of the outcome. Main effects were assessed in the absence of an interaction between the interventions. Subgroup analyses by sex, physical activity level, dietary calcium intake, serum 25(OH)D levels, and fracture history were conducted. RESULTS DXA scans were available for 1493 participants (mean age 75 years; 80.4% were physically active, 44% had 25(OH)D levels <20 ng/ml). At the LS and FN sites, none of the treatments showed a benefit. At the TH, vitamin D vs. no vitamin D treatment showed a significant benefit across 3 years (difference in adjusted means [AM]: 0.0035 [95% CI 0.0011, 0.0059] g/cm2). Furthermore, there was a benefit for vitamin D vs. no vitamin D treatment on LS aBMD in the male subgroup of (interaction P = 0.003; ∆AM: 0.0070 [95% CI 0.0007, 0.0132] g/cm2). CONCLUSIONS Omega-3 and SHEP had no benefit on aBMD in healthy, active and largely vitamin D replete older adults. Our study suggests a small benefit of 2000 IU vitamin D daily on TH aBMD overall and LS aBMD among men, however, effect sizes were very modest and the clinical impact of these findings is unclear.
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Affiliation(s)
- Kistler-Fischbacher Melanie
- Department of Aging Medicine and Aging Research, University of Zurich, Zurich, Switzerland
- Centre on Aging and Mobility, University of Zurich and Stadtspital Zurich Waid, Zurich, Switzerland
| | - Armbrecht Gabriele
- Department of Radiology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Gängler Stephanie
- Department of Aging Medicine and Aging Research, University of Zurich, Zurich, Switzerland
- Centre on Aging and Mobility, University of Zurich and Stadtspital Zurich Waid, Zurich, Switzerland
| | - Theiler Robert
- Centre on Aging and Mobility, University of Zurich and Stadtspital Zurich Waid, Zurich, Switzerland
| | - Rizzoli Renè
- Division of Bone Diseases, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Dawson-Hughes Bess
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
| | - A Kanis John
- Center for Metabolic Diseases, University of Sheffield Medical School, Sheffield, England
| | - C Hofbauer Lorenz
- Centre for Healthy Aging, Department of Medicine III, TU Dresden Medical Centre, Dresden, Germany
| | - C Schimmer Ralph
- Institute of Physiology, University of Zurich, Zurich, Switzerland
| | - Vellas Bruno
- IHU HealthAge, Gérontopôle de Toulouse, Institut du Vieillissement, Centre Hospitalo-Universitaire de Toulouse, Toulouse, France
- UMR INSERM 1027, University of Toulouse III, Toulouse, France
| | - A P Da Silva José
- Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Orav E John
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - W Kressig Reto
- University Department of Geriatric Medicine FELIX PLATTER, Basel, Switzerland
| | - Egli Andreas
- Department of Aging Medicine and Aging Research, University of Zurich, Zurich, Switzerland
- Centre on Aging and Mobility, University of Zurich and Stadtspital Zurich Waid, Zurich, Switzerland
| | - Lang Wei
- Department of Aging Medicine and Aging Research, University of Zurich, Zurich, Switzerland
- Centre on Aging and Mobility, University of Zurich and Stadtspital Zurich Waid, Zurich, Switzerland
| | - A Wanner Guido
- Spine Clinic and Traumatology, Private Hospital Bethanien, Zurich, Switzerland
| | - A Bischoff-Ferrari Heike
- Department of Aging Medicine and Aging Research, University of Zurich, Zurich, Switzerland
- Centre on Aging and Mobility, University of Zurich and Stadtspital Zurich Waid, Zurich, Switzerland
- IHU HealthAge, Gérontopôle de Toulouse, Institut du Vieillissement, Centre Hospitalo-Universitaire de Toulouse, Toulouse, France
- UMR INSERM 1027, University of Toulouse III, Toulouse, France
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Stuursma A, Stroot IAS, Vermeulen KM, Slart RHJA, Greuter MJW, Mourits MJE, de Bock GH. Reliability, costs, and radiation dose of dual-energy X-ray absorptiometry in diagnosis of radiologic sarcopenia in surgically menopausal women. Insights Imaging 2024; 15:104. [PMID: 38589691 PMCID: PMC11001834 DOI: 10.1186/s13244-024-01677-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 03/13/2024] [Indexed: 04/10/2024] Open
Abstract
OBJECTIVE The aim of this study was to evaluate and compare reliability, costs, and radiation dose of dual-energy X-ray absorptiometry (DXA) to MRI and CT in measuring muscle mass for the diagnosis of sarcopenia. METHODS Thirty-four consecutive DXA scans performed in surgically menopausal women from November 2019 until March 2020 were analyzed by two observers. Observers analyzed muscle mass of the lower limbs in every scan twice. Reliability was assessed by calculating inter- and intra-observer variability. Reliability from CT and MRI as well as radiation dose from CT and DXA were collected from literature. Costs for each type of scan were calculated according to the guidelines for economic evaluation of the Dutch National Health Care Institute. RESULTS The 34 participants had a median age of 58 years (IQR 53-65) and a median body mass index of 24.6 (IQR 21.7-29.7). Inter-observer variability had an intraclass correlation coefficient (ICC) of 0.997 (95% CI 0.994-0.998) with a relative variability of 0.037 ± 0.022%. Regarding intra-observer variability, observer 1 had an ICC of 0.998 (95% CI 0.996-0.999) with a relative variability of 0.019 ± 0.016% and observer 2 had an ICC of 0.997 (95% CI 0.993-0.998) with a relative variability of 0.016 ± 0.011%. DXA costs were €62, CT €77, and MRI €195. The estimated radiation dose of CT was 2.5-3.0 mSv, for DXA this was 2-4 µSv. CONCLUSIONS DXA has lower costs and a lower radiation dose, with low inter- and intra-observer variability, compared to CT and MRI for assessing lower limb muscle mass. TRIAL REGISTRATION Netherlands Trial Register; NL8068. CRITICAL RELEVANCE STATEMENT DXA is a good alternative for CT and MRI in assessing lower limb muscle mass, with lower costs and lower radiation dose, while inter-observer and intra-observer variability are low. KEY POINTS • Screening for sarcopenia should be optimized as the population ages. • DXA outperformed CT and MRI in the measured metrics. • DXA validity should be further evaluated as an alternative to CT and MRI for sarcopenia evaluation.
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Affiliation(s)
- Annechien Stuursma
- Department of Obstetrics and Gynecology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9713 GZ, The Netherlands.
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
| | - Iris A S Stroot
- Department of Obstetrics and Gynecology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9713 GZ, The Netherlands
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Karin M Vermeulen
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Riemer H J A Slart
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Marcel J W Greuter
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Marian J E Mourits
- Department of Obstetrics and Gynecology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9713 GZ, The Netherlands
| | - Geertruida H de Bock
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Wang Z, Wishman MD, Tutaworn T, Hentschel IG, Levin JE, Lane JM. Osteoporosis and cement usage in total hip arthroplasty. Eur J Orthop Surg Traumatol 2024; 34:1649-1655. [PMID: 38374483 DOI: 10.1007/s00590-024-03855-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 02/08/2024] [Indexed: 02/21/2024]
Abstract
PURPOSE Cement usage in total hip arthroplasty (THA) is increasingly common. However, osteoporosis-related fracture risk in cemented vs uncemented THA patients is poorly characterized. We aim to analyze the usage of metabolic bone care and osteoporosis fracture risk in cemented vs uncemented THA patients using FRAX and radiographic bone measurements. METHODS Chart review on 250 THA patients was performed retrospectively. Demographics, FRAX scores, hip radiograph measurements, osteoporosis diagnosis, treatment and screening were compared between cemented and uncemented THA patients. Logistic regression model was used to analyze factors influencing cement usage. RESULTS Cemented THA patients have significantly higher osteoporosis-related fracture risk as measured by FRAX major (20% vs 13%) and FRAX hip (8% vs 5%). There is no significant difference in osteoporosis treatment, vitamin D / calcium supplementation, or metabolic bone disease screening based on patients' cement status. Female sex and rheumatoid arthritis status significantly predict cement usage, but FRAX scores do not predict cement usage. Additionally, 50% (10/20) of patients with Dorr C classification were uncemented. CONCLUSION Although some patients undergoing THA with high osteoporosis-related fracture risk were identified and cemented, some risk factors including poor proximal femur shape (by Dorr classification) and poor bone quality (as measured by FRAX score) were potentially overlooked. Cemented patients had an increased risk for fractures but did not receive appropriately increased osteoporosis screening or treatment. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Zhaorui Wang
- Weill Cornell Medical College, 1300 York Ave., New York, NY, USA
| | - Mark D Wishman
- Weill Cornell Medical College, 1300 York Ave., New York, NY, USA.
| | - Teerapat Tutaworn
- Department of Orthopedic Surgery, Hospital for Special Surgery, 535 E 70 St, New York, NY, USA
| | - Isabelle G Hentschel
- Department of Orthopedic Surgery, Hospital for Special Surgery, 535 E 70 St, New York, NY, USA
| | - Justin E Levin
- Department of Orthopedic Surgery, Hospital for Special Surgery, 535 E 70 St, New York, NY, USA
| | - Joseph M Lane
- Department of Orthopedic Surgery, Hospital for Special Surgery, 535 E 70 St, New York, NY, USA
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9
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Meertens R, Lopez B, Crone B, Gundry M, Metcalfe-Smith E, Gibbard W, Jubb T, Manning F, Scott P, McWilliam R. Development of an opportunistic diagnostic prediction algorithm for osteoporosis and fragility fracture risk estimates from forearm radiographs (The OFFER1 Study). JBMR Plus 2024; 8:ziae020. [PMID: 38505820 PMCID: PMC10945724 DOI: 10.1093/jbmrpl/ziae020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 12/22/2023] [Accepted: 01/19/2024] [Indexed: 03/21/2024] Open
Abstract
Osteoporosis and associated fractures are an increasingly prevalent concern with an ageing population. This study reports testing of IBEX Bone Health (IBEX BH) software, applied following acquisition of forearm radiographs. IBEX Bone Health analyses the radiograph to measure areal bone mineral density (aBMD) at the examination site. A non-randomized cross-sectional study design was performed involving 261 (254 after exclusions) participants (112/142 m/f; mean age 70.8 years (SD+/-9.0); 53 with osteoporosis). They underwent posterior-anterior distal forearm radiographs; dual X-ray absorptiometry (DXA) of the wrists, hips, and lumbar spine; and questionnaires exploring clinical risk factors. IBEX Bone Health automatically identifies regions of interest (ROI) at the ultra-distal (UD) and distal third (TD) regions of the radius. Analysis investigated area under the receiver operating characteristics curve performance of IBEX BH for prediction of (i) osteoporosis (based on clinical reporting of the hip and spine DXA) and (ii) treatment recommendations by Fracture Risk Assessment Tool (FRAX) inclusive of neck of femur (NoF) areal bone mineral density (aBMD) results following National Osteoporosis Guideline Group (NOGG) guidelines. Area under the receiver operating characteristics curve for osteoporosis prediction at the UD and TD ROIs were 0.86 (99% confidence interval (CI) [0.80, 0.91]) and 0.81 (99% CI [0.75, 0.88]), respectively. Area under the receiver operating characteristics curve for treatment recommendation using FRAX inclusive of NoF aBMD at the UD and TD ROIs were 0.95 (99% CI [0.91, 1.00]) and 0.97 (99% CI [0.93,1.00]), respectively. With a matched sensitivity to FRAX (without NoF aBMD) 0.93 (99% CI [0.78, 0.99]), IBEX BH predicted at the UD and TD ROIs recommended treatment outcomes by NOGG guidelines using FRAX (with NoF aBMD) with specificity 0.89 (99% CI 0.83, 0.94]) and 0.93 (99% CI [0.87, 0.97]), respectively. This is compared with 0.60 (99% CI [0.51, 0.69]) for FRAX (without NoF aBMD). Results demonstrate the potential clinical utility of IBEX BH as an opportunistic screening tool.
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Affiliation(s)
- Robert Meertens
- University of Exeter, Medical Imaging Exeter, EX1 2LU, United Kingdom
| | - Ben Lopez
- Ibex Innovations Ltd., Sedgefield, TS21 3FD, United Kingdom
| | - Ben Crone
- Ibex Innovations Ltd., Sedgefield, TS21 3FD, United Kingdom
| | - Mike Gundry
- University of Exeter, Medical Imaging Exeter, EX1 2LU, United Kingdom
| | | | - Warren Gibbard
- Ibex Innovations Ltd., Sedgefield, TS21 3FD, United Kingdom
| | - Thomas Jubb
- Ibex Innovations Ltd., Sedgefield, TS21 3FD, United Kingdom
| | - Fay Manning
- University of Exeter, Medical Imaging Exeter, EX1 2LU, United Kingdom
| | - Paul Scott
- Ibex Innovations Ltd., Sedgefield, TS21 3FD, United Kingdom
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10
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Rae LS, Rand JS, Ward LC. Measuring body composition in dogs using bioelectrical impedance spectroscopy. Vet J 2024; 304:106067. [PMID: 38266810 DOI: 10.1016/j.tvjl.2024.106067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/11/2023] [Accepted: 01/12/2024] [Indexed: 01/26/2024]
Abstract
Assessment of body composition is an essential aspect of veterinary canine care, particularly as prevalence of overweight and obesity in dogs is increasing. Few quantitative objective methods for body composition measurement are available for routine clinical use. Bioelectrical impedance analysis is widely used in human medicine and nutritional assessment and although it has shown promise in production animals it has not yet been adopted for companion animals. The present study validated bioimpedance spectroscopy (BIS) against the reference method of dual-energy X-ray absorptiometry. Resistivity coefficients for use in BIS were determined: ρe = 444.8 and ρi = 1477.8 ohm.cm and used to predict fat-free mass (FFM) in a cohort of 35 mixed breed dogs. Overall, FFM was predicted to within 3.5% of reference values. At an individual level, FFM was predicted within 2 standard deviations (95% confidence) of 10%. BIS provides an objective quantitative alternative to the widely used semi-quantitative body condition scoring. In addition, BIS provides estimates of body water volumes (total, extra-and intracellular), information that can be useful in fluid management. BIS is inexpensive, and simple to perform but does require brief (<5 min) sedation of the animal.
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Affiliation(s)
- L S Rae
- School of Veterinary Science, The University of Queensland, Gatton, Queensland 4343 Australia
| | - J S Rand
- Australian Pet Welfare Foundation, Kenmore, Queensland 4069 Australia
| | - L C Ward
- School of Chemistry and Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072 Australia.
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11
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Bover J, Gómez-Alonso C, Casado E, Rodríguez-García M, Lloret MJ, Castro-Alonso C, Gifre L, Henríquez-Palop F, Prior-Español Á, López de la Manzanara V, Láiz AM, Martínez-Ferrer À, Torregrosa JV, Cigarrán S, Górriz JL, Montomoli M, Panizo N, Costa E, Martínez-Laguna D, Rodríguez M, Navarro-González JF. Osteoporosis management in patients with chronic kidney disease (ERCOS Study): A challenge in nephrological care. Nefrologia 2024:S2013-2514(24)00063-4. [PMID: 38531765 DOI: 10.1016/j.nefroe.2024.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 05/07/2023] [Indexed: 03/28/2024] Open
Abstract
Fracture risk assessment in patients with chronic kidney disease (CKD) has been included in the CKD-MBD ("Chronic Kidney Disease-Mineral and Bone Disorders") complex in international and national nephrology guidelines, suggesting for the first time the assessment of bone mineral density (BMD) if the results can influence therapeutic decision-making. However, there is very little information on actual clinical practice in this population. The main objective of the ERCOS (ERC-Osteoporosis) study is to describe the profile of patients with CKD G3-5D with osteoporosis (OP) and/or fragility fractures treated in specialized nephrology, rheumatology and internal medicine clinics in Spain. Fifteen centers participated and 162 patients (mostly women [71.2%] postmenopausal [98.3%]) with a median age of 77 years were included. Mean estimated glomerular filtration rate (eGFR) was 36 mL/min/1.73 m2 and 38% of the included patients were on dialysis. We highlight the high frequency of prevalent fragility fractures [37.7%), mainly vertebral (52.5%) and hip (24.6%)], the disproportionate history of patients with glomerular disease compared to purely nephrological series (corticosteroids) and undertreatment for fracture prevention, especially in nephrology consultations. This study is an immediate call to action with the dissemination of the new, more proactive, clinical guidelines, and underlines the need to standardize a coordinated and multidisciplinary care/therapeutic approach to these patients in an efficient way to avoid current discrepancies and therapeutic nihilism.
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Affiliation(s)
- Jordi Bover
- Servicio de Nefrología, Hospital Universitari Germans Trias i Pujol, REMAR-IGTP Group, Can Ruti Campus, Badalona, Barcelona, Spain.
| | - Carlos Gómez-Alonso
- Unidad de Gestión Clínica de Metabolismo Óseo y Mineral, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain
| | - Enrique Casado
- Servicio de Reumatología, Hospital Universitari Parc Taulí, Sabadell, Barcelona, Spain
| | - Minerva Rodríguez-García
- Unidad de Gestión Clínica de Nefrología, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain
| | - María Jesús Lloret
- Servicio de Nefrología, Fundació Puigvert, Institut d'Investigació Biomèdica Sant Pau (IIB-SANT PAU), Barcelona, Spain
| | - Cristina Castro-Alonso
- Servicio de Nefrología, Hospital Universitario Doctor Peset, Fundació per al Foment de la Investigació Sanitària i Biomèdica de la Comunitat Valenciana (FISABIO), Valencia, Spain
| | - Laia Gifre
- Servicio de Reumatología, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain
| | | | - Águeda Prior-Español
- Servicio de Reumatología, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain
| | | | - Ana María Láiz
- Servicio de Reumatología, Hospital Universitari de la Santa Creu i Sant Pau, Barcelona, Spain
| | | | | | | | - José Luis Górriz
- Servicio de Nefrología, Hospital Clínico Universitario de Valencia, Universidad de Valencia, Valencia, Spain
| | - Marco Montomoli
- Servicio de Nefrología, Hospital Clínico Universitario de Valencia, Universidad de Valencia, Valencia, Spain
| | - Nayara Panizo
- Servicio de Nefrología, Hospital Clínico Universitario de Valencia, Universidad de Valencia, Valencia, Spain
| | - Ester Costa
- Servicio de Reumatología, Hospital Universitari Parc Taulí, Sabadell, Barcelona, Spain
| | | | - Mariano Rodríguez
- Servicio de Nefrología, Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Juan F Navarro-González
- Unidad de Investigación y Servicio de Nefrología, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Islas Canarias, Spain
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12
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Lee H, Yun JS, Park S, Kwack KS. Physiological gradient in lumbar spine fat fraction and R2* and its impact on osteoporosis diagnosis. Spine J 2024; 24:479-487. [PMID: 37918572 DOI: 10.1016/j.spinee.2023.10.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/04/2023] [Accepted: 10/28/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND Bone marrow adiposity and R2* have been explored as an imaging biomarker for osteoporosis. Chemical shift-encoded MRI (CSE-MRI) is a method that allows for relatively accurate measurement of adiposity and R2* in bone marrow in a simple manner. Additionally, there are reports of a physiological gradient of fat distribution in the lumbar spine. This physiological gradient of fat distribution can potentially impact the prediction of osteoporosis. Furthermore, the distribution of R2* is not well understood. PURPOSE This study examined how lumbar spine fat fraction (FF) and R2* change with different levels of the lumbar spine, how they influence osteoporosis prediction, and how they change according to measurement methods. STUDY DESIGN/SETTING Cross-sectional study using retrospectively collected data. PATIENT SAMPLE The study included patients who underwent dual-energy X-ray absorptiometry and lumbar spine CSE-MRI within one-month intervals between 2017 and 2022. OUTCOME MEASURES Reproducibility of FF and R2* based on measurement techniques, changes in FF and R2* according to vertebral level and osteoporosis status, and diagnostic power of osteoporosis based on vertebral level. METHODS Patients were categorized into the normal bone density, osteopenia, and osteoporosis groups based on bone mineral density. The relationship between groups and spine level before and after BMD adjustment was investigated using generalized estimating equations. Comparisons between the three groups and various measures of reliability were conducted using intraclass correlation coefficient. The diagnostic performance for predicting osteoporosis was evaluated with a receiver operating characteristic curve. RESULTS Comparing the three groups, FF increased with osteoporosis severity, while R2* decreased (p<.001). The intra/inter-rater agreement for FF and R2* was excellent. A physiological gradient within individuals was observed, where FF increased towards the lower lumbar spine (p=.002). R2* tended to decrease, but it was not statistically significant (p=.218). There was no statistically significant difference in the diagnosis of osteoporosis based on FF or R2* across different lumbar spine levels. CONCLUSIONS There was an increase in FF and a decrease in R2* from T12 to L5. However, the predictive power of osteoporosis did not significantly differ between each level.
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Affiliation(s)
- Haein Lee
- Department of Radiology, Ajou University School of Medicine, 164, World cup-ro, Yeongtong-gu, Suwon, South Korea; Musculoskeletal Imaging Laboratory, Ajou University Medical Center, 164, World cup-ro, Yeongtong-gu, Suwon, South Korea
| | - Jae Sung Yun
- Department of Radiology, Ajou University School of Medicine, 164, World cup-ro, Yeongtong-gu, Suwon, South Korea; Musculoskeletal Imaging Laboratory, Ajou University Medical Center, 164, World cup-ro, Yeongtong-gu, Suwon, South Korea.
| | - Sunghoon Park
- Department of Radiology, Ajou University School of Medicine, 164, World cup-ro, Yeongtong-gu, Suwon, South Korea; Musculoskeletal Imaging Laboratory, Ajou University Medical Center, 164, World cup-ro, Yeongtong-gu, Suwon, South Korea
| | - Kyu-Sung Kwack
- Department of Radiology, Ajou University School of Medicine, 164, World cup-ro, Yeongtong-gu, Suwon, South Korea; Musculoskeletal Imaging Laboratory, Ajou University Medical Center, 164, World cup-ro, Yeongtong-gu, Suwon, South Korea
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13
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Rolvien T, Thiessen ML, Boese CK, Bechler U, Strahl A, Beil FT, Ries C. Areal bone mineral density is not associated with femoral stem subsidence in patients younger than 70 years undergoing total hip arthroplasty. Arch Orthop Trauma Surg 2024; 144:1415-1422. [PMID: 38062273 PMCID: PMC10896811 DOI: 10.1007/s00402-023-05137-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 11/11/2023] [Indexed: 02/28/2024]
Abstract
INTRODUCTION Femoral stem subsidence is a known complication after uncemented total hip arthroplasty (THA). The purpose of this study was to determine the frequency of osteoporosis and to investigate the relationship between areal bone mineral density (aBMD) and subsidence in a cohort of patients younger than 70 years. METHODS One hundred consecutive patients (age 60 ± 6 years; 52 female, 48 male) undergoing uncemented THA using a collarless press fit femoral stem were retrospectively reviewed. Dual-energy X-ray absorptiometry (DXA) was performed preoperatively at the proximal femur and lumbar spine, and if not feasible at these sites, at the distal radius. DXA results were compared to a cohort of 100 patients ≥ 70 years scheduled for cemented THA. Age, sex, and body mass index (BMI), canal flare index (CFI), and canal fill ratio (CFR) were assessed. Analysis of stem subsidence and migration was performed on standardized, calibrated radiographs obtained postoperatively and at follow-up. RESULTS The frequency of osteoporosis was considerably lower in the study cohort compared to patients ≥ 70 years (7% vs. 19%, p = 0.02). Illustrated by the high CFR (mean 96 ± 4%) in the mid-stem region, a sufficient press fit was achieved. After a mean follow-up of 7.4 months, the mean stem subsidence was 0.9 ± 0.9 mm. Only two patients had subsidence greater than 3 mm, one of whom was morbidly obese and the other diagnosed with severe osteoporosis. There were no correlations between any of the parameters (CFI, CFR, age, sex, BMI) and femoral stem subsidence. In addition, aBMD T-scores showed no correlations with subsidence. CONCLUSION aBMD by DXA does not appear to be associated with stem subsidence in patients younger than 70 years and with adequate press fit.
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Affiliation(s)
- Tim Rolvien
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany.
| | - Maximilian Lenard Thiessen
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Christoph Kolja Boese
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Ulrich Bechler
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - André Strahl
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Frank Timo Beil
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Christian Ries
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany.
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Dash AS, Billings E, Vlastaris K, Kim HJ, Cunningham ME, Raphael J, Lovecchio F, Carrino JA, Lebl D, McMahon D, Stein EM. Pre-operative bone quality deficits and risk of complications following spine fusion surgery among postmenopausal women. Osteoporos Int 2024; 35:551-560. [PMID: 37932510 DOI: 10.1007/s00198-023-06963-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 10/31/2023] [Indexed: 11/08/2023]
Abstract
Poor bone quality is a risk factor for complications after spinal fusion surgery. This study investigated pre-operative bone quality in postmenopausal women undergoing spine fusion and found that those with small bones, thinner cortices and surgeries involving more vertebral levels were at highest risk for complications. PURPOSE Spinal fusion is one of the most common surgeries performed worldwide. While skeletal complications are common, underlying skeletal deficits are often missed by pre-operative DXA due to artifact from spinal pathology. This prospective cohort study investigated pre-operative bone quality using high resolution peripheral CT (HRpQCT) and its relation to post-operative outcomes in postmenopausal women, a population that may be at particular risk for skeletal complications. We hypothesized that women with low volumetric BMD (vBMD) and abnormal microarchitecture would have higher rates of post-operative complications. METHODS Pre-operative imaging included areal BMD (aBMD) by DXA, cortical and trabecular vBMD and microarchitecture of the radius and tibia by high resolution peripheral CT. Intra-operative bone quality was subjectively graded based on resistance to pedicle screw insertion. Post-operative complications were assessed by radiographs and CTs. RESULTS Among 50 women enrolled (age 65 years), mean spine aBMD was normal and 35% had osteoporosis by DXA at any site. Low aBMD and vBMD were associated with "poor" subjective intra-operative quality. Skeletal complications occurred in 46% over a median follow-up of 15 months. In Cox proportional models, complications were associated with greater number of surgical levels (HR 1.19 95% CI 1.06-1.34), smaller tibia total area (HR 1.67 95% CI1.16-2.44) and lower tibial cortical thickness (HR 1.35 95% CI 1.05-1.75; model p < 0.01). CONCLUSION Women with smaller bones, thinner cortices and procedures involving a greater number of vertebrae were at highest risk for post-operative complications, providing insights into surgical and skeletal risk factors for complications in this population.
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Affiliation(s)
- Alexander S Dash
- Endocrinology and Metabolic Bone Disease Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA
- Department of Medical Education, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Emma Billings
- Endocrinology and Metabolic Bone Disease Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA
| | - Katelyn Vlastaris
- Endocrinology and Metabolic Bone Disease Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA
| | - Han Jo Kim
- Spine Service, Hospital for Special Surgery, New York, NY, USA
| | | | - Joseph Raphael
- Endocrinology and Metabolic Bone Disease Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA
| | | | - John A Carrino
- Department of Radiology, Hospital for Special Surgery, New York, NY, USA
| | - Darren Lebl
- Spine Service, Hospital for Special Surgery, New York, NY, USA
| | - Donald McMahon
- Endocrinology and Metabolic Bone Disease Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA
| | - Emily M Stein
- Endocrinology and Metabolic Bone Disease Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA.
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15
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Tramontana F, Napoli N, Litwack-Harrison S, Bauer DC, Orwoll ES, Cauley JA, Strotmeyer ES, Schwartz AV. More rapid bone mineral density loss in older men with diabetes: The Osteoporotic Fractures in Men (MrOS) Study. J Clin Endocrinol Metab 2024:dgae045. [PMID: 38407631 DOI: 10.1210/clinem/dgae045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 01/08/2024] [Accepted: 01/22/2024] [Indexed: 02/27/2024]
Abstract
CONTEXT Type 2 diabetes mellitus (T2D) is associated with more rapid bone loss in women, but less evidence is available for men or those with prediabetes. OBJECTIVE To determine whether bone loss rate is affected by diabetes status in older men, we analyzed data from the Osteoporotic Fractures in Men (MrOS) study. METHODS The multisite MrOS study enrolled 5,994 men aged ≥65 years. Diabetes status was defined by self-report, diabetes medication use, or elevated fasting serum glucose at baseline. Hip bone mineral density (BMD) was measured by dual energy x-ray absorptiometry (DXA) at baseline and a follow-up visit after 4.6 ± 0.4 years. This analysis included 4095 men, excluding those without a follow-up DXA or with unknown diabetes status. Changes in hip BMD in participants with normoglycemia (NG), prediabetes, or T2D, excluding thiazolidinedione (TZD) users, were evaluated using generalized linear models (GLM). Diabetes medication use and BMD loss among those with T2D were also evaluated with GLM. RESULTS In adjusted models, loss in hip BMD was greater in men with T2D (- 2.23%: 95% CI: -2.54 to -1.91; p<0.001) but not in men with prediabetes (-1.45%; 95% CI -1.63 to -1.26; p=0.33) compared to NG (-1.57%: 95% CI -1.73 to -1.41). Among men with T2D, TZD, insulin and sulfonylurea use were associated with greater hip BMD loss. CONCLUSIONS Men with T2D, but not prediabetes, experienced an accelerated bone loss compared to participants with normoglycemia. More rapid bone loss predicts increased risk of fractures and mortality in broader populations.
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Affiliation(s)
- Flavia Tramontana
- Operative Research Unit of Osteo-Metabolic and Thyroid Diseases, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
- Research Unit of Endocrinology and Diabetes, Campus Bio-Medico University of Rome, Rome, Italy
| | - Nicola Napoli
- Operative Research Unit of Osteo-Metabolic and Thyroid Diseases, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
- Research Unit of Endocrinology and Diabetes, Campus Bio-Medico University of Rome, Rome, Italy
| | | | - Douglas C Bauer
- Departments of Medicine and Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
| | - Eric S Orwoll
- Oregon Health & Science University, Portland, OR, USA
| | - Jane A Cauley
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Elsa S Strotmeyer
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Ann V Schwartz
- Department Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
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16
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Lloret MJ, Fusaro M, Jørgensen HS, Haarhaus M, Gifre L, Alfieri CM, Massó E, D'Marco L, Evenepoel P, Bover J. Evaluating Osteoporosis in Chronic Kidney Disease: Both Bone Quantity and Quality Matter. J Clin Med 2024; 13:1010. [PMID: 38398323 PMCID: PMC10889712 DOI: 10.3390/jcm13041010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 01/28/2024] [Accepted: 02/04/2024] [Indexed: 02/25/2024] Open
Abstract
Bone strength is determined not only by bone quantity [bone mineral density (BMD)] but also by bone quality, including matrix composition, collagen fiber arrangement, microarchitecture, geometry, mineralization, and bone turnover, among others. These aspects influence elasticity, the load-bearing and repair capacity of bone, and microcrack propagation and are thus key to fractures and their avoidance. In chronic kidney disease (CKD)-associated osteoporosis, factors traditionally associated with a lower bone mass (advanced age or hypogonadism) often coexist with non-traditional factors specific to CKD (uremic toxins or renal osteodystrophy, among others), which will have an impact on bone quality. The gold standard for measuring BMD is dual-energy X-ray absorptiometry, which is widely accepted in the general population and is also capable of predicting fracture risk in CKD. Nevertheless, a significant number of fractures occur in the absence of densitometric World Health Organization (WHO) criteria for osteoporosis, suggesting that methods that also evaluate bone quality need to be considered in order to achieve a comprehensive assessment of fracture risk. The techniques for measuring bone quality are limited by their high cost or invasive nature, which has prevented their implementation in clinical practice. A bone biopsy, high-resolution peripheral quantitative computed tomography, and impact microindentation are some of the methods established to assess bone quality. Herein, we review the current evidence in the literature with the aim of exploring the factors that affect both bone quality and bone quantity in CKD and describing available techniques to assess them.
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Affiliation(s)
- Maria J Lloret
- Nephrology Department, Fundació Puigvert, Cartagena 340-350, 08025 Barcelona, Spain
- Institut de Recerca Sant Pau (IR-Sant-Pau), 08025 Barcelona, Spain
| | - Maria Fusaro
- National Research Council (CNR), Institute of Clinical Physiology, 56124 Pisa, Italy
- Department of Medicine, University of Padua, 35128 Padua, Italy
| | - Hanne S Jørgensen
- Institute of Clinical Medicine, Aarhus University, 8000 Aarhus, Denmark
- Department of Nephrology, Aalborg University Hospital, 9000 Aalborg, Denmark
| | - Mathias Haarhaus
- Division of Renal Medicine, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden
- Diaverum AB, Hyllie Boulevard 53, 215 37 Malmö, Sweden
| | - Laia Gifre
- Rheumatology Department, University Hospital Germans Trias I Pujol, Universitat Autònoma de Barcelona, 08193 Badalona, Spain
| | - Carlo M Alfieri
- Unit of Nephrology Dialysis and Renal Transplantation Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Elisabet Massó
- Nephrology Department, University Hospital Germans Trias I Pujol, REMAR-IGTP Group, Research Institute Germans Trias I Pujol (IGTP), Universitat Autònoma de Barcelona, 08193 Badalona, Spain
| | - Luis D'Marco
- Grupo de Investigación en Enfermedades Cardiorenales y Metabólicas, Departamento de Medicina y Cirugía, Facultad de Ciencias de la Salud, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain
| | - Pieter Evenepoel
- Nephrology and Renal Transplantation Research Group, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
| | - Jordi Bover
- Nephrology Department, University Hospital Germans Trias I Pujol, REMAR-IGTP Group, Research Institute Germans Trias I Pujol (IGTP), Universitat Autònoma de Barcelona, 08193 Badalona, Spain
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17
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Formosa MM, Christou MA, Mäkitie O. Bone fragility and osteoporosis in children and young adults. J Endocrinol Invest 2024; 47:285-298. [PMID: 37668887 PMCID: PMC10859323 DOI: 10.1007/s40618-023-02179-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 08/16/2023] [Indexed: 09/06/2023]
Abstract
Osteoporosis is a metabolic bone disorder which increases fragility fracture risk. Elderly individuals, especially postmenopausal women, are particularly susceptible to osteoporosis. Although rare, osteoporosis in children and young adults is becoming increasingly evident, highlighting the need for timely diagnosis, management and follow-up. Early-onset osteoporosis is defined as the presence of a low BMD (Z-score of ≤ -2.0 in individuals aged < 20 years; T-score of ≤ -2.5 in those aged between 20 to 50 years) accompanied by a clinically significant fracture history, or the presence of low-energy vertebral compression fractures even in the absence of osteoporosis. Affected children and young adults should undergo a thorough diagnostic workup, including collection of clinical history, radiography, biochemical investigation and possibly bone biopsy. Once secondary factors and comorbidities are excluded, genetic testing should be considered to determine the possibility of an underlying monogenic cause. Defects in genes related to type I collagen biosynthesis are the commonest contributors of primary osteoporosis, followed by loss-of-function variants in genes encoding key regulatory proteins of canonical WNT signalling (specifically LRP5 and WNT1), the actin-binding plastin-3 protein (encoded by PLS3) resulting in X-linked osteoporosis, and the more recent sphingomyelin synthase 2 (encoded by SGMS2) which is critical for signal transduction affecting sphingomyelin metabolism. Despite these discoveries, genetic causes and underlying mechanisms in early-onset osteoporosis remain largely unknown, and if no causal gene is identified, early-onset osteoporosis is deemed idiopathic. This calls for further research to unravel the molecular mechanisms driving early-onset osteoporosis that consequently will aid in patient management and individualised targeted therapy.
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Affiliation(s)
- M M Formosa
- Department of Applied Biomedical Science, Faculty of Health Sciences, University of Malta, Msida, Malta
- Center for Molecular Medicine and Biobanking, University of Malta, Msida, Malta
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M A Christou
- Department of Endocrinology, School of Medicine, University of Ioannina, Ioannina, Greece
- Department of Hygiene and Epidemiology, School of Medicine, University of Ioannina, Ioannina, Greece
| | - O Mäkitie
- Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
- Folkhälsan Research Centre, Folkhälsan Institute of Genetics, Helsinki, Finland.
- Department of Molecular Medicine and Surgery, Karolinska Institutet, and Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden.
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18
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Carpio-Rivera E, Chacón-Araya Y, Moncada-Jiménez J. Effect of exercise-induced body fluid redistribution on body composition in males using dual energy X-ray absorptiometry. J Sports Sci 2024; 42:255-262. [PMID: 38451829 DOI: 10.1080/02640414.2024.2327191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 02/29/2024] [Indexed: 03/09/2024]
Abstract
We studied the effect of exercise-induced body fluid redistribution on dual-energy x-ray absorptiometry (DXA) body composition scores. Thirty males completed 30-min of upper-body exercise (UBE), lower-body exercise, and seated non-exercise control (NEC). ANOVA determined interactions between experimental conditions and measurements on body composition variables. For UBE, mean pre to post differences were found on tissue fat (M = 0.35 ± 0.12%; CI95%diff = 0.10 to 0.59%; p = 0.007), region fat (M = 0.32 ± 0.11%; CI95%diff = 0.09 to 0.55%; p = 0.008), lean mass (M = 0.27 ± 0.01 kg; CI95%diff = 0.18 to 0.37 kg; p ≤ 0.0001), and total mass (M = 0.27 ± 0.05 kg; CI95%diff = 0.17 to 0.36 kg; p ≤ 0.0001). Mean tissue pre to post differences were found for the total body in the NEC (M = 0.10 ± 0.04 kg; CI95%diff = 0.03 to 0.18 kg; p = 0.008), UBE (M = 0.19 ± 0.03 kg; CI95%diff = 0.14 to 0.24 kg; p ≤ 0.0001), and LBE (M = 0.31 ± 0.04 kg; CI95%diff = 0.24 to 0.39 kg; p ≤ 0.0001) conditions. High absolute reliability was found within experimental conditions. These findings have practical implications for technicians, since acute exercise elicited small changes in body composition scores using DXA.
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Affiliation(s)
- Elizabeth Carpio-Rivera
- Human Movement Sciences Research Center (CIMOHU), University of Costa Rica, San José, Costa Rica
- School of Physical Education and Sports, University of Costa Rica, San José, Costa Rica
| | - Yamileth Chacón-Araya
- Human Movement Sciences Research Center (CIMOHU), University of Costa Rica, San José, Costa Rica
- School of Physical Education and Sports, University of Costa Rica, San José, Costa Rica
| | - José Moncada-Jiménez
- Human Movement Sciences Research Center (CIMOHU), University of Costa Rica, San José, Costa Rica
- School of Physical Education and Sports, University of Costa Rica, San José, Costa Rica
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19
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De La Torre SC, Godar CM, Shakir MKM, Hoang TD. Three cases highlighting possible discrepancies in the interpretation of transgender DXA scores. Clin Case Rep 2024; 12:e8451. [PMID: 38314192 PMCID: PMC10834376 DOI: 10.1002/ccr3.8451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 12/20/2023] [Accepted: 01/07/2024] [Indexed: 02/06/2024] Open
Abstract
For diagnosis of osteoporosis, a T-score of ≤-2.5 is recommended for all transgender and gender-diverse patients aged 50 years or older, regardless of hormonal status. This case series presents 3 transgender individuals younger than 50 years undergoing gender-affirming hormone therapy (GAHT) who had DXA scores suggestive of osteoporosis. We highlight possible discrepancies in DXA scan interpretations, especially in forearm bone mineral density measurements. We present the baseline (prior to beginning GAHT), 6-month, and 1-year follow-up DXA data along with pertinent labs to include 25-OH vitamin D, calcium, and alkaline phosphatase, for 2 transgender males (assigned female at birth) and 1 transgender female (assigned male at birth) undergoing GAHT who had low Z-scores and T-scores suggestive of osteoporosis. Multiple studies have analyzed the BMD data of individuals taking GAHT over time, which identify possible causes for low baseline Z-scores for transgender females, but less so for transgender males. Other than positional statements, guidelines remain unclear regarding diagnostic approaches to osteoporosis and low Z-scores in transgender individuals who are premenopausal or under 50 years of age. This case series addresses discrepancies in interpretation that may be encountered by clinicians with baseline and follow-up DXAs, especially involving the forearm, during the course of GAHT. This highlights the importance of establishing clearer guidelines for the diagnosis and treatment of osteoporosis and low BMD for chronological age in the transgender population.
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Affiliation(s)
- Sebastian C De La Torre
- Division of Endocrinology, Department of Medicine Walter Reed National Military Medical Center Bethesda Maryland USA
| | - Cassandra M Godar
- Division of Endocrinology, Department of Medicine Walter Reed National Military Medical Center Bethesda Maryland USA
| | - Mohamed K M Shakir
- Division of Endocrinology, Department of Medicine Walter Reed National Military Medical Center Bethesda Maryland USA
- Division of Endocrinology, Department of Medicine Uniformed Services University of the Health Services Bethesda Maryland USA
| | - Thanh D Hoang
- Division of Endocrinology, Department of Medicine Walter Reed National Military Medical Center Bethesda Maryland USA
- Division of Endocrinology, Department of Medicine Uniformed Services University of the Health Services Bethesda Maryland USA
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20
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Morrow R, de Zoeten EF, Ma N, Chun C, Scott FI. Bone health screening practices with dual-energy X-ray absorptiometry and prediction of abnormal results in pediatric inflammatory bowel disease. J Pediatr Gastroenterol Nutr 2024; 78:252-260. [PMID: 38374562 DOI: 10.1002/jpn3.12107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 09/18/2023] [Accepted: 10/04/2023] [Indexed: 02/21/2024]
Abstract
OBJECTIVES Pediatric patients diagnosed with inflammatory bowel disease (IBD) are at risk of suboptimal peak bone mass attainment. This study aimed to understand rates of bone health screening adherence, describe factors associated with dual-energy X-ray absorptiometry (DXA) acquisition, and identify factors associated with abnormal DXA. METHODS We performed a retrospective cohort study of pediatric IBD patients over a 10-year time frame. We included IBD patients (2-20 years of age) enrolled in ImproveCareNow and excluded patients with primary metabolic bone disease. Time-to-event methods and multivariable logistic regression were employed to identify factors associated with DXA acquisition and abnormal DXA. RESULTS In 676 patients, 464 (68.63%) pediatric patients with IBD had a risk factor for low bone mineral density (BMD); 137 (29.53%) underwent an initial DXA scan. Quiescent disease was significantly associated with a reduced likelihood of DXA (hazard ratio [HR]: 0.48; 95% confidence interval [CI]: 0.24-0.97), while weight z-score <-2 was significantly associated with DXA performance (HR: 2.07; 95% CI: 1.08-3.98). Abnormal DXA results (BMD z-score ≤-1) occurred in 59 (35.54%) individuals. After adjusting for visit diagnosis, delayed puberty, severe disease course, 6 months or greater of steroid exposure, and history of fracture, BMI z-score <-1 (odds ratio: 5.45; 95% CI: 2.41-12.33) was associated with abnormal DXA. CONCLUSIONS DXA screening occurred in less than one-third of eligible pediatric IBD patients. Compliance was more common in patients with a weight z-score <-2 and less common in those with quiescent disease. BMI strongly predicted abnormal DXA results when adjusting for risk factors for abnormal BMD.
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Affiliation(s)
- Ryan Morrow
- Children's Hospital Colorado, Digestive Health Institute, Aurora, Colorado, USA
- Department of Pediatrics, School of Medicine, University of Colorado Anschutz, Aurora, Colorado, USA
| | - Edwin F de Zoeten
- Children's Hospital Colorado, Digestive Health Institute, Aurora, Colorado, USA
- Department of Pediatrics, School of Medicine, University of Colorado Anschutz, Aurora, Colorado, USA
| | - Nina Ma
- Department of Pediatrics, School of Medicine, University of Colorado Anschutz, Aurora, Colorado, USA
- Section of Pediatric Endocrinology, Children's Hospital Colorado, Aurora, Colorado, USA
| | - Camille Chun
- Department of Pediatrics, School of Medicine, University of Colorado Anschutz, Aurora, Colorado, USA
| | - Frank I Scott
- Division of Gastroenterology and Hepatology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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21
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Theodorou SJ, Theodorou DJ, Kigka V, Gkiatas I, Fotopoulos A. Age-related variations in trunk composition and patterns of regional bone and soft tissue changes in adult Caucasian women by DXA. Rheumatol Int 2024; 44:349-356. [PMID: 38135825 DOI: 10.1007/s00296-023-05514-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 11/25/2023] [Indexed: 12/24/2023]
Abstract
We explored the regional variations in body composition with advancing age in healthy Caucasian females living in the Mediterranean area. The objectives of this study were to establish body composition values for the trunk in healthy women of a Greek origin and to evaluate the effects of aging on the distribution of truncal bone mass, fat mass (FM) and lean mass (LM). Body composition of the trunk and detailed analysis of its anatomical components-the ribs, the thoracic spine, the lumbar spine and the pelvis, and FM and LM ratios--were calculated in 330 women aged 20-85 years, using DXA. Peak bone mineral density (BMD) of the trunk was attained between ages 30 and 33. The overall truncal BMD reduction with age was 20.7% (p < 0.001). Peak %LM of the trunk was achieved at age 20. The overall reduction of %LM with age for the trunk was 9.8% (p < 0.001). Peak %FM of the trunk was attained between ages 68 and 73, and the overall %FM reduction with age was 2.8% (p > 0.05). Multiple comparative analyses showed that the 51-60 years age group was the landmark age for significant changes of truncal bone mass measures across all age groups (p = 0). For truncal LM and FM metrics, multigroup comparative analysis showed the turning point of significant changes in soft tissue was the 41-50 age bracket (p = 0 and p = 0, respectively). In Greek women, truncal %LM exceeded by far %FM across all ages (p = 0). Our results suggest that aging affects body composition of the trunk in ambulatory healthy women of a Greek origin differently, leading to menopausal loss of bone mass, senior adulthood loss of lean mass, and middle-age storage of fat mass. In adult women, these age-related associations between bone and soft tissue metrics on DXA exams carry implications for the attainment of optimal peak values and shifts in body composition overtime, impacting lifelong skeletal health.
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Affiliation(s)
| | - Daphne J Theodorou
- Department of Radiology, General Hospital of Ioannina and National Healthcare System, 45444, Ioannina, Greece.
| | - Vassiliki Kigka
- Department of Orthopaedic Surgery, University of Ioannina, Ioannina, Greece
| | - Ioannis Gkiatas
- Department of Orthopaedic Surgery, University of Ioannina, Ioannina, Greece
| | - Andreas Fotopoulos
- Department of Nuclear Medicine, Bone Densitometry Section, University of Ioannina, Ioannina, Greece
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22
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Emerzian SR, Johannesdottir F, Yu EW, Bouxsein ML. Use of noninvasive imaging to identify causes of skeletal fragility in adults with diabetes: a review. JBMR Plus 2024; 8:ziae003. [PMID: 38505529 PMCID: PMC10945731 DOI: 10.1093/jbmrpl/ziae003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/21/2023] [Accepted: 01/04/2024] [Indexed: 03/21/2024] Open
Abstract
Diabetes, a disease marked by consistent high blood glucose levels, is associated with various complications such as neuropathy, nephropathy, retinopathy, and cardiovascular disease. Notably, skeletal fragility has emerged as a significant complication in both type 1 (T1D) and type 2 (T2D) diabetic patients. This review examines noninvasive imaging studies that evaluate skeletal outcomes in adults with T1D and T2D, emphasizing distinct skeletal phenotypes linked with each condition and pinpointing gaps in understanding bone health in diabetes. Although traditional DXA-BMD does not fully capture the increased fracture risk in diabetes, recent techniques such as quantitative computed tomography, peripheral quantitative computed tomography, high-resolution quantitative computed tomography, and MRI provide insights into 3D bone density, microstructure, and strength. Notably, existing studies present heterogeneous results possibly due to variations in design, outcome measures, and potential misclassification between T1D and T2D. Thus, the true nature of diabetic skeletal fragility is yet to be fully understood. As T1D and T2D are diverse conditions with heterogeneous subtypes, future research should delve deeper into skeletal fragility by diabetic phenotypes and focus on longitudinal studies in larger, diverse cohorts to elucidate the complex influence of T1D and T2D on bone health and fracture outcomes.
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Affiliation(s)
- Shannon R Emerzian
- Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, United States
| | - Fjola Johannesdottir
- Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, United States
| | - Elaine W Yu
- Department of Medicine, Endocrine Division, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, United States
| | - Mary L Bouxsein
- Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, United States
- Department of Medicine, Endocrine Division, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, United States
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23
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Toussirot E, Winzenrieth R, Aubin F, Wendling D, Vauchy C, Desmarets M. Areal bone mineral density, trabecular bone score and 3D- DXA analysis of proximal femur in psoriatic disease. Front Med (Lausanne) 2024; 11:1341077. [PMID: 38352141 PMCID: PMC10861729 DOI: 10.3389/fmed.2024.1341077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 01/16/2024] [Indexed: 02/16/2024] Open
Abstract
Objectives To evaluate bone mineral density (BMD) and bone quality, with assessment of the cortical and trabecular compartments, in patients with psoriasis (PsO) alone or with psoriatic arthritis (PsA). Methods Patients with PsA and patients with PsO alone were evaluated and compared to control subjects matched for age, sex and body mass index category. Areal BMD (aBMD) was determined for the lumbar spine, femoral neck, total hip and total body using dual-energy X-ray absorptiometry (DXA). Bone quality was evaluated by using trabecular bone score (TBS) at the lumbar spine, and by 3D DXA-based analysis (3D Shaper) for the proximal femur. Results One hundred ninety-six subjects including 52 patients with PsA and 52 patients with PsO and their respective paired controls were analyzed. Patients with PsA had comparable aBMD, TBS and 3D DXA analysis parameters compared to their paired controls. After adjustment for confounders, patients with PsO alone were characterized by a higher aBMD at the left femur and higher cortical 3D DXA derived parameters (total hip cortical surface BMD and total hip cortical thickness) than their paired controls. TBS was decreased in PsO compared to their controls. Conclusion Patients with PsA had normal bone mass and bone quality parameters. Patients with PsO were characterized by higher femoral neck bone density by DXA and cortical parameters by 3D DXA-based analysis, supporting no increased risk for hip fracture. Conversely, bone texture by TBS assessment was decreased in patients with PsO, which may be associated with impaired vertebral bone resistance.
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Affiliation(s)
- Eric Toussirot
- INSERM CIC-1431, Centre d’Investigation Clinique, Pôle Recherche, CHU de Besançon, Besançon, France
- Rhumatologie, Pôle PACTE (Pathologies Aiguës Chroniques Transplantation Éducation), CHU de Besançon, Besançon, France
- Département Universitaire de Thérapeutique, Université de Franche-Comté, Besançon, France
- UMR 1098 RIGHT, INSERM, Établissement Français du Sang, Université de Franche-Comté, Besançon, France
| | | | - François Aubin
- UMR 1098 RIGHT, INSERM, Établissement Français du Sang, Université de Franche-Comté, Besançon, France
- Dermatologie, Pôle PACTE (Pathologies Aiguës Chroniques Transplantation Éducation), CHU de Besançon, Besançon, France
| | - Daniel Wendling
- Rhumatologie, Pôle PACTE (Pathologies Aiguës Chroniques Transplantation Éducation), CHU de Besançon, Besançon, France
- EA 4266 EPILAB, Université de Franche-Comté, Besançon, France
| | - Charline Vauchy
- INSERM CIC-1431, Centre d’Investigation Clinique, Pôle Recherche, CHU de Besançon, Besançon, France
- UMR 1098 RIGHT, INSERM, Établissement Français du Sang, Université de Franche-Comté, Besançon, France
| | - Maxime Desmarets
- INSERM CIC-1431, Centre d’Investigation Clinique, Pôle Recherche, CHU de Besançon, Besançon, France
- UMR 1098 RIGHT, INSERM, Établissement Français du Sang, Université de Franche-Comté, Besançon, France
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24
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García Flores FI, Klünder Klünder M, López Teros MT, Muñoz Ibañez CA, Padilla Castañeda MA. Development and Validation of a Method of Body Volume and Fat Mass Estimation Using Three-Dimensional Image Processing with a Mexican Sample. Nutrients 2024; 16:384. [PMID: 38337669 PMCID: PMC10856961 DOI: 10.3390/nu16030384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/12/2023] [Accepted: 12/27/2023] [Indexed: 02/12/2024] Open
Abstract
Body composition assessment using instruments such as dual X-ray densitometry (DXA) can be complex and their use is often limited to research. This cross-sectional study aimed to develop and validate a densitometric method for fat mass (FM) estimation using 3D cameras. Using two such cameras, stereographic images, and a mesh reconstruction algorithm, 3D models were obtained. The FM estimations were compared using DXA as a reference. In total, 28 adults, with a mean BMI of 24.5 (±3.7) kg/m2 and mean FM (by DXA) of 19.6 (±5.8) kg, were enrolled. The intraclass correlation coefficient (ICC) for body volume (BV) was 0.98-0.99 (95% CI, 0.97-0.99) for intra-observer and 0.98 (95% CI, 0.96-0.99) for inter-observer reliability. The coefficient of variation for kinetic BV was 0.20 and the mean difference (bias) for BV (liter) between Bod Pod and Kinect was 0.16 (95% CI, -1.2 to 1.6), while the limits of agreement (LoA) were 7.1 to -7.5 L. The mean bias for FM (kg) between DXA and Kinect was -0.29 (95% CI, -2.7 to 2.1), and the LoA was 12.1 to -12.7 kg. The adjusted R2 obtained using an FM regression model was 0.86. The measurements of this 3D camera-based system aligned with the reference measurements, showing the system's feasibility as a simpler, more economical screening tool than current systems.
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Affiliation(s)
| | - Miguel Klünder Klünder
- Research Subdirectorate, Children’s Hospital of Mexico Federico Gómez, Dr. Marquez St. 162, Colonia Doctores, Mexico City 06720, Mexico
| | - Miriam Teresa López Teros
- Health Department, Santa Fe Campus, Iberoamerican University, Prol. Paseo de la Reforma, Zedec Sta Fé, Álvaro Obregón, Mexico City 01219, Mexico;
| | - Cristopher Antonio Muñoz Ibañez
- Institute of Advanced Materials for Sustainable Manufacturing, Tecnológico de Monterrey, Canal de Miramontes, Tlalpan, Mexico City 14380, Mexico;
| | - Miguel Angel Padilla Castañeda
- Applied Science and Technology Institute (ICAT), National Autonomous University of Mexico (UNAM), Mexico City 04510, Mexico
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25
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Montgomery G, Yusuf M, Cooper R, Ireland A. Are associations between physical activity and bone mineral density in adults sex- and age-dependent? An analysis of the UK biobank study. J Bone Miner Res 2024:zjae017. [PMID: 38477821 DOI: 10.1093/jbmr/zjae017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 11/23/2023] [Accepted: 01/25/2024] [Indexed: 03/14/2024]
Abstract
Whilst physical activity (PA) is recognised as a key bone mass determinant across life, athlete studies suggest that it may be less effective in women and older individuals. This has not been explored within the general population. We aimed to address this knowledge gap using data from the UK Biobank Study, a large population-based study of middle-aged and older adults. Free-living PA data collected at 100 Hz for seven days using wrist-worn accelerometers was classified as sedentary behaviour (0-29 milligravities (mg)), light (30-124 mg) or moderate-to-vigorous PA (125 + mg). Lumbar spine and femoral neck bone mineral density (BMD) was assessed using dual-energy X-ray absorptiometry. Associations between PA and BMD were assessed using linear regression models, with formal assessments of sex and age interactions undertaken and adjustments made for accelerometer wear time, height, body mass index, education, ethnicity, disability, and (in women only) menopausal status. In total, 15 133 UK Biobank participants (52% women) had complete PA, bone, and covariate data. In this sample, greater overall and moderate-to-vigorous PA was associated with higher lumbar spine BMD. In women these associations were typically weaker in older individuals, for example regression coefficients in women aged ≥70y ~50% were lower than at 45-54y (age-by- PA interactions p < 0.01 in all models). Similar associations were observed in basic but not full models for femoral neck BMD. Greater sedentary time was associated with lower lumbar spine BMD in men only, and greater light PA and sedentary time were associated with higher and lower femoral neck BMD respectively in both sexes. These results suggest that associations between PA and bone health at clinically-relevant sites are weaker in older than younger women. That positive associations are evident between overall and moderate-vigorous PA and femoral neck BMD even in women ≥70y suggests that PA for bone health should still be promoted in older women.
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Affiliation(s)
- Gallin Montgomery
- Musculoskeletal Science and Sports Medicine Research Centre, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester, United Kingdom
| | - Mohamed Yusuf
- Faculty of Epidemiology and Population Health, Department Infectious Disease Epidemiology and International Health, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Rachel Cooper
- NIHR Newcastle Biomedical Research Centre,Newcastle University, Newcastle upon Tyne Hospitals NHS Foundation Trust and Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
- Musculoskeletal Science and Sports Medicine Research Centre, Department of Life Sciences, Manchester Metropolitan University, Manchester, United Kingdom
| | - Alex Ireland
- Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD
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D'Oronzo S, Cives M, Lauricella E, Stucci S, Centonza A, Gentile M, Ostuni C, Porta C. Assessment of bone turnover markers and DXA parameters to predict bone metastasis progression during zoledronate treatment: a single-center experience. Clin Exp Med 2024; 24:7. [PMID: 38240866 PMCID: PMC10798926 DOI: 10.1007/s10238-023-01280-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 11/18/2023] [Indexed: 01/22/2024]
Abstract
Bone metastases (BM) are a serious cancer complication, potentially causing substantial morbidity. Among the clinical issues related to BM, there is the lack of specific tools for early diagnosis and prognosis. We explored whether combining bone turnover markers (BTM) with dual-energy X-ray absorptiometry (DXA) assessment could identify early BM progression and risk of skeletal-related events (SREs) during zoledronate treatment. Before the initiation of zoledronate (T0) and after six months of treatment (T1), serum levels of five BTM were measured, and patients (N = 47) underwent DXA evaluation. Standard radiological imaging was performed to assess bone tumor response to medical anti-cancer treatment. High tumor burden in bone correlated with higher serum CTX (p = 0.007) and NTX (p = 0.005) at baseline. Low concentrations of OPG at T0 predicted BM progression with a sensitivity and specificity of 63% and 77%, respectively, when a cutoff of 5.2 pmol/l was used; such a predictive meaning was stronger in patients with lytic BM (sensitivity: 88%, specificity: 80%; p = 0.0006). As for the risk of SREs, we observed an association between low baseline OC (p = 0.04) and OPG (p = 0.08) and the onset of any-time SREs, whereas an increase in OPG over time was associated with reduced risk of on-study events (p = 0.03). Moreover, a statistically significant correlation emerged between low baseline lumbar T-score and femur BMD and on-study SREs (p < 0.001 in both instances). These findings suggest that addition of DXA to BTM dosage could help stratifying the risk of SREs at the time of BM diagnosis but does not enhance our capability of detecting bone progression, during zoledronate treatment.
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Affiliation(s)
- Stella D'Oronzo
- Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy.
- Division of Medical Oncology, A.O.U. Consorziale Policlinico Di Bari, Bari, Italy.
| | - Mauro Cives
- Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
- Division of Medical Oncology, A.O.U. Consorziale Policlinico Di Bari, Bari, Italy
| | - Eleonora Lauricella
- Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Stefania Stucci
- Division of Medical Oncology, A.O.U. Consorziale Policlinico Di Bari, Bari, Italy
| | - Antonella Centonza
- Unit of Oncology, Fondazione IRCCS "Casa Sollievo Della Sofferenza", San Giovanni Rotondo, Italy
| | - Marica Gentile
- Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Carmela Ostuni
- Oncology Unit of National Institute of Gastroenterology - IRCCS "Saverio de Bellis", Research Hospital Castellana Grotte, Bari, Italy
| | - Camillo Porta
- Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy
- Division of Medical Oncology, A.O.U. Consorziale Policlinico Di Bari, Bari, Italy
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Skinner AM, Barker AR, Moore SA, Soininen S, Haapala EA, Väistö J, Westgate K, Brage S, Lakka TA, Vlachopoulos D. Cross-sectional and longitudinal associations between the 24-hour movement behaviours, including muscle and bone strengthening activity, with bone and lean mass from childhood to adolescence. BMC Public Health 2024; 24:227. [PMID: 38238707 PMCID: PMC10797891 DOI: 10.1186/s12889-024-17711-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 01/09/2024] [Indexed: 01/22/2024] Open
Abstract
BACKGROUND This study aimed to assess whether moderate-to-vigorous physical activity (MVPA), sport and exercise as a proxy measure of muscle and bone strengthening activity, sedentary behaviour, and sleep were associated with total-body-less-head (TBLH) bone mineral content (BMC) and TBLH lean mass cross-sectionally and longitudinally from age 6 to 9 years and age 9 to 11 years to age 15 to 17 years. METHODS We used longitudinal data from a population sample of Finnish children from the Physical Activity and Nutrition in Children study (age 6 to 9 years: n = 478, 229 females; age 9 to 11 years: n = 384, 197 females; age 15 to 17 years: n = 222, 103 females). Linear regression analysed the cross-sectional and longitudinal associations between accelerometer-assessed MVPA, sedentary time and sleep, and questionnaire-assessed sport and exercise participation and screen time with dual-energy X-ray absorptiometry-assessed TBLH BMC and lean mass. RESULTS In females, MVPA at age 6 to 9 years was positively associated with TBLH BMC at age 15 to 17 years (β = 0.008, p = 0.010). Sport and exercise at age 9 to 11 years was positively associated with TBLH BMC (β = 0.020, p = 0.002) and lean mass (β = 0.343, p = 0.040) at age 15 to 17 years. MVPA at age 9 to 11 years was positively associated with TBLH lean mass (β = 0.272, p = 0.004) at age 15 to 17 years. In males, sleep at age 6 to 9 years was positively associated with TBLH lean mass (β = 0.382, p = 0.003) at age 15 to 17 years. Sport and exercise at age 9 to 11 years was positively associated with TBLH BMC (β = 0.027, p = 0.012) and lean mass (β = 0.721, p < 0.001) at age 15 to 17 years. CONCLUSIONS Promoting engagement in the 24-hour movement behaviours in childhood, particularly sport and exercise to strengthen muscle and bone, is important in supporting bone and lean mass development in adolescence. TRIAL REGISTRATION NCT01803776; first trial registration date: 04/03/2013.
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Affiliation(s)
- Annie M Skinner
- Children's Health and Exercise Research Centre, University of Exeter, Exeter, UK
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Alan R Barker
- Children's Health and Exercise Research Centre, University of Exeter, Exeter, UK
| | - Sarah A Moore
- School of Health and Human Performance, Dalhousie University, Halifax, Canada
| | - Sonja Soininen
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
- Physician and Nursing Services, Health and Social Services Centre, Wellbeing Services County of North Savo, Varkaus, Finland
| | - Eero A Haapala
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Juuso Väistö
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Kate Westgate
- MRC Epidemiology Unit, University of Cambridge, Cambridge, UK
| | - Soren Brage
- MRC Epidemiology Unit, University of Cambridge, Cambridge, UK
| | - Timo A Lakka
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
- Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland
- Foundation for Research in Health Exercise and Nutrition, Kuopio Research Institute of Exercise Medicine, Kuopio, Finland
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Folkestad L, Hald JD, Tosi L, Raggio C, Semler O, Langdahl B, Ralston SH. Osteogenesis Imperfecta Is More Than a Pediatric Disorder-There Is a Need for Adult Care Evidence to Guide Clinicians. J Clin Endocrinol Metab 2024; 109:e866-e867. [PMID: 37453088 DOI: 10.1210/clinem/dgad423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/28/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Affiliation(s)
- Lars Folkestad
- Department of Endocrinology, Odense University Hospital, 5000 Odense C, Denmark
- Department of Clinical Research, University of Southern Denmark, 5000 Odense C, Denmark
| | - Jannie Dahl Hald
- Department of Internal Medicine and Endocrinology, Aarhus University Hospital, 8200 Aarhus N, Denmark
- Centre for Rare Diseases, Pediatric and Adolescent Medicine, Aarhus University Hospital, 8200 Aarhus N, Denmark
| | - Laura Tosi
- Division of Orthopaedics & Sports Medicine, Children's National Hospital, Washington, DC 20010, USA
| | - Cathleen Raggio
- Department of Orthopedics, Hospital for Special Surgery, New York, NY 10021, USA
| | - Oliver Semler
- Faculty of Medicine and University Hospital Cologne, Department of Pediatrics, University of Cologne, 50931 Cologne, Germany
| | - Bente Langdahl
- Department of Internal Medicine and Endocrinology, Aarhus University Hospital, 8200 Aarhus N, Denmark
| | - Stuart H Ralston
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, UK
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Iwamoto SJ, Rothman MS, T’Sjoen G, Defreyne J. Approach to the Patient: Hormonal Therapy in Transgender Adults With Complex Medical Histories. J Clin Endocrinol Metab 2024; 109:592-602. [PMID: 37683089 PMCID: PMC10795931 DOI: 10.1210/clinem/dgad536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 09/02/2023] [Accepted: 09/06/2023] [Indexed: 09/10/2023]
Abstract
While endocrinologists continue to initiate gender-affirming hormone therapy (GAHT) in healthy transgender and gender diverse (TGD) patients, they may also encounter more TGD patients in their clinics with complex medical histories that influence the patient-provider shared decision-making process for initiating or continuing GAHT. The purpose of this Approach to the Patient article is to describe management considerations in 2 adults with thromboembolic disease and 2 adults with low bone mineral density in the setting of feminizing and masculinizing GAHT.
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Affiliation(s)
- Sean J Iwamoto
- Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO 80045, USA
- Endocrinology Service, Medicine Service, Rocky Mountain Regional Veterans Affairs Medical Center, Eastern Colorado Health Care System, Aurora, CO 80045, USA
- UCHealth Integrated Transgender Program, University of Colorado Hospital, Aurora, CO 80045, USA
| | - Micol S Rothman
- Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO 80045, USA
- UCHealth Integrated Transgender Program, University of Colorado Hospital, Aurora, CO 80045, USA
| | - Guy T’Sjoen
- Department of Endocrinology and Center for Sexology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Justine Defreyne
- Department of Endocrinology and Center for Sexology, Ghent University Hospital, 9000 Ghent, Belgium
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Ginsberg C, Blackwell T, Cheng JH, Potok OA, Cauley JA, Ensrud KE, Hsu S, Kado DM, Orwoll E, Cawthon PM, Ix JH. The Vitamin D Metabolite Ratio Is Associated With Volumetric Bone Density in Older Men. J Clin Endocrinol Metab 2024; 109:e513-e521. [PMID: 37804103 PMCID: PMC10795912 DOI: 10.1210/clinem/dgad587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/08/2023] [Accepted: 10/02/2023] [Indexed: 10/08/2023]
Abstract
CONTEXT Serum 25-hydroxyvitamin D (25(OH)D) is the current marker of vitamin D adequacy, but its relationship with bone health has been inconsistent. The ratio of 24,25-dihydroxyvitamin D3 to 25(OH)D3 (vitamin D metabolite ratio or VMR) is a marker of vitamin D that has been associated with longitudinal changes in bone mineral density (BMD) and fracture risk. OBJECTIVE High-resolution peripheral quantitative computed tomography (HR-pQCT) provides information on bone health beyond standard dual-energy x-ray absorptiometry, in that it measures volumetric BMD (vBMD) as well bone strength. The relationship of the VMR with vBMD and bone strength remains unknown. METHODS We evaluated the associations of the VMR and 25(OH)D3 with vBMD and bone strength in the distal radius and tibia, assessed by HR-pQCT in 545 older men participating in the Osteoporotic Fractures in Men (MrOS) Study. Primary outcomes were vBMD and estimated failure load (EFL, a marker of bone strength) at the distal radius and tibia. RESULTS The mean age was 84 ± 4 years, 88.3% were White, and 32% had an estimated glomerular filtration rate <60 mL/min/1.73 m2. In adjusted models, each twofold higher VMR was associated with a 9% (3%, 16%) higher total vBMD and a 13% (5%, 21%) higher EFL at the distal radius. Results were similar at the distal tibia. 25(OH)D3 concentrations were not associated with any of the studied outcomes. CONCLUSION Among older men, a higher VMR was associated with greater vBMD and bone strength while 25(OH)D3 was not. The VMR may serve as a valuable marker of skeletal health in older men.
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Affiliation(s)
- Charles Ginsberg
- Division of Nephrology-Hypertension, University of California, San Diego, CA 92037, USA
| | - Terri Blackwell
- California Pacific Medical Center Research Institute, Department of Epidemiology, University of California, SanFrancisco, San Francisco, CA 94107, USA
| | - Jonathan H Cheng
- Division of Nephrology-Hypertension, University of California, San Diego, CA 92037, USA
- Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, CA 92161, USA
| | - O Alison Potok
- Division of Nephrology-Hypertension, University of California, San Diego, CA 92037, USA
- Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, CA 92161, USA
| | - Jane A Cauley
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Kristine E Ensrud
- Department of Medicine and Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN 55455, USA
- Center for Care Delivery and Outcomes Research, Minneapolis Veterans Affairs Healthcare System, Minneapolis, MN 55417, USA
| | - Simon Hsu
- Division of Nephrology and Kidney Research Institute, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Deborah M Kado
- Department of Medicine, Stanford University, Palo Alto, CA 94304, USA
| | - Eric Orwoll
- Division of Endocrinology, Metabolism and Clinical Nutrition, Department of Medicine, Oregon Health and Sciences University, Portland, OR 97239, USA
| | - Peggy M Cawthon
- California Pacific Medical Center Research Institute, Department of Epidemiology, University of California, SanFrancisco, San Francisco, CA 94107, USA
| | - Joachim H Ix
- Division of Nephrology-Hypertension, University of California, San Diego, CA 92037, USA
- Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, CA 92161, USA
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Marmol-Perez A, Gil-Cosano JJ, Ubago-Guisado E, Llorente-Cantarero FJ, Pascual-Gázquez JF, Ness KK, Martinez-Vizcaino V, Ruiz JR, Gracia-Marco L. Muscle strength deficits are associated with low bone mineral density in young pediatric cancer survivors: The iBoneFIT project. J Sport Health Sci 2024:S2095-2546(24)00003-6. [PMID: 38219958 DOI: 10.1016/j.jshs.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/16/2023] [Accepted: 12/18/2023] [Indexed: 01/16/2024]
Abstract
BACKGROUND Pediatric cancer survivors are at increased risk of muscle weakness and low areal bone mineral density (aBMD). However, the prevalence of muscle strength deficits is not well documented, and the associations of muscle strength with aBMD are unknown in this population. Therefore, this study aimed to investigate the prevalence of upper- and lower-body muscle strength deficits and to examine the associations of upper- and lower-body muscle strength with age-, sex, and race-specific aBMD Z-scores at the total body, total hip, femoral neck, and lumbar spine. METHODS This cross-sectional study included 116 pediatric cancer survivors (12.1 ± 3.3 years old, mean ± SD; 42.2% female). Upper- and lower-body muscle strength were assessed by handgrip and standing long jump test, respectively. Dual‑energy X‑ray absorptiometry was used to measure aBMD (g/cm2). Associations between muscle strength and aBMD were evaluated in multivariable linear regression models. Logistic regression was used to evaluate the contribution of muscle strength (1-decile lower) to the odds of having low aBMD (Z-score ≤ 1.0). All analyses were adjusted for time from treatment completion, radiotherapy exposure, and body mass index. RESULTS More than one-half of survivors were within the 2 lowest deciles for upper- (56.9%) and lower- body muscle strength (60.0%) in comparison to age- and sex-specific reference values. Muscle strength deficits were associated with lower aBMD Z-scores at all sites (B : 0.133-0.258, p : 0.001-0.032). Each 1-decile lower in upper-body muscle strength was associated with 30%-95% higher odds of having low aBMD Z-scores at all sites. Each 1-decile lower in lower-body muscle strength was associated with 35%-70% higher odds of having low aBMD Z-scores at total body, total hip, and femoral neck. CONCLUSION Muscle strength deficits are prevalent in young pediatric cancer survivors, and such deficits are associated with lower aBMD Z-scores at all sites. These results suggest that interventions designed to improve muscle strength in this vulnerable population may have the added benefit of improving aBMD.
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Affiliation(s)
- Andres Marmol-Perez
- Department of Physical Education and Sports, Faculty of Sport Sciences, Sport and Health University Research Institute (iMUDS), University of Granada, Granada 18011, Spain; Department of Epidemiology and Cancer Control, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jose J Gil-Cosano
- Department of Physical Education and Sports, Faculty of Sport Sciences, Sport and Health University Research Institute (iMUDS), University of Granada, Granada 18011, Spain; Department of Communication and Education, Loyola University Andalusia, Seville 41704, Spain
| | - Esther Ubago-Guisado
- Department of Physical Education and Sports, Faculty of Sport Sciences, Sport and Health University Research Institute (iMUDS), University of Granada, Granada 18011, Spain; Biosanitary Research Institute, ibs.Granada, Granada 18012, Spain
| | - Francisco J Llorente-Cantarero
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Cordoba 14004, Spain; CIBEROBN, Biomedical Research Networking Center for Physiopathology of Obesity and Nutrition, Carlos III Health Institute, Madrid 28029, Spain; Department of Specific Didactics, Faculty of Education, University of Cordoba, Cordoba 14071, Spain
| | - Juan Francisco Pascual-Gázquez
- Pediatric and adolescent hematology and oncology service, Pediatrics and Pediatric Surgery Clinical Management Unit, Virgen de las Nieves University Hospital, Granada 18014, Spain
| | - Kirsten K Ness
- Department of Epidemiology and Cancer Control, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | | | - Jonatan R Ruiz
- Department of Physical Education and Sports, Faculty of Sport Sciences, Sport and Health University Research Institute (iMUDS), University of Granada, Granada 18011, Spain; Biosanitary Research Institute, ibs.Granada, Granada 18012, Spain; CIBEROBN, Biomedical Research Networking Center for Physiopathology of Obesity and Nutrition, Carlos III Health Institute, Madrid 28029, Spain
| | - Luis Gracia-Marco
- Department of Physical Education and Sports, Faculty of Sport Sciences, Sport and Health University Research Institute (iMUDS), University of Granada, Granada 18011, Spain; Biosanitary Research Institute, ibs.Granada, Granada 18012, Spain; CIBEROBN, Biomedical Research Networking Center for Physiopathology of Obesity and Nutrition, Carlos III Health Institute, Madrid 28029, Spain.
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Wu KC, McCauley KE, Lynch SV, Nayak RR, King NJ, Patel S, Kim TY, Condra K, Fadrosh D, Nguyen D, Lin DL, Lynch K, Rogers SJ, Carter JT, Posselt AM, Stewart L, Schafer AL. Alteration in the gut microbiome is associated with changes in bone metabolism after laparoscopic sleeve gastrectomy. J Bone Miner Res 2024:zjad017. [PMID: 38477719 DOI: 10.1093/jbmr/zjad017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 11/20/2023] [Accepted: 12/07/2023] [Indexed: 03/14/2024]
Abstract
Laparoscopic sleeve gastrectomy (LSG), the most common bariatric surgical procedure, leads to durable weight loss and improves obesity-related comorbidities. However, it induces abnormalities in bone metabolism. One unexplored potential contributor is the gut microbiome, which influences bone metabolism and is altered after surgery. We characterized the relationship between the gut microbiome and skeletal health in severe obesity and after LSG. In a prospective cohort study, 23 adults with severe obesity underwent skeletal health assessment and stool collection preoperatively and 6 mo after LSG. Gut microbial diversity and composition were characterized using 16S rRNA gene sequencing, and fecal concentrations of short-chain fatty acids (SCFA) were measured with LC-MS/MS. Spearman's correlations and PERMANOVA analyses were applied to assess relationships between the gut microbiome and bone health measures including serum bone turnover markers (C-terminal telopeptide of type 1 collagen [CTx] and procollagen type 1 N-terminal propeptide [P1NP]), areal BMD, intestinal calcium absorption, and calciotropic hormones. Six months after LSG, CTx and P1NP increased (by median 188% and 61%, P < .01) and femoral neck BMD decreased (mean -3.3%, P < .01). Concurrently, there was a decrease in relative abundance of the phylum Firmicutes. Although there were no change in overall microbial diversity or fecal SCFA concentrations after LSG, those with greater within-subject change in gut community microbial composition (β-diversity) postoperatively had greater increases in P1NP level (ρ = 0.48, P = .02) and greater bone loss at the femoral neck (ρ = -0.43, P = .04). In addition, within-participant shifts in microbial richness/evenness (α-diversity) were associated with changes in IGF-1 levels (ρ = 0.56, P < .01). The lower the postoperative fecal butyrate concentration, the lower the IGF-1 level (ρ = 0.43, P = .04). Meanwhile, the larger the decrease in butyrate concentration, the higher the postoperative CTx (ρ = -0.43, P = .04). These findings suggest that LSG-induced gut microbiome alteration may influence skeletal outcomes postoperatively, and microbial influences on butyrate formation and IGF-1 are possible mechanisms.
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Affiliation(s)
- Karin C Wu
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
- Medical Services, San Francisco Veterans Affairs Health Care System, San Francisco, CA 94121, United States
| | - Kathryn E McCauley
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
| | - Susan V Lynch
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
| | - Renuka R Nayak
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
- Medical Services, San Francisco Veterans Affairs Health Care System, San Francisco, CA 94121, United States
| | - Nicole J King
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
- Medical Services, San Francisco Veterans Affairs Health Care System, San Francisco, CA 94121, United States
| | - Sheena Patel
- California Pacific Medical Center Research Institute, San Francisco, CA 94107, United States
| | - Tiffany Y Kim
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
- Medical Services, San Francisco Veterans Affairs Health Care System, San Francisco, CA 94121, United States
| | - Katherine Condra
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
- Medical Services, San Francisco Veterans Affairs Health Care System, San Francisco, CA 94121, United States
| | - Doug Fadrosh
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
| | - Dat Nguyen
- The Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
| | - Din L Lin
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
| | - Kole Lynch
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
| | - Stanley J Rogers
- Department of Surgery, University of California San Francisco, San Francisco, CA 94143, United States
| | - Jonathan T Carter
- Department of Surgery, University of California San Francisco, San Francisco, CA 94143, United States
| | - Andrew M Posselt
- Department of Surgery, University of California San Francisco, San Francisco, CA 94143, United States
| | - Lygia Stewart
- Department of Surgery, University of California San Francisco, San Francisco, CA 94143, United States
- Surgical Services, San Francisco Veterans Affairs Health Care System, San Francisco, CA 94121, United States
| | - Anne L Schafer
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143, United States
- Medical Services, San Francisco Veterans Affairs Health Care System, San Francisco, CA 94121, United States
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA 94143, United States
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Wong AK, Asatiani K, Chávez-Manzanera E, Elmer DJ, Heymsfield SB, Hong S, Ilesanmi-Oyelere L, Kagawa M, Klobucar S, Obeid OA, Plotnikoff RC, Sardinha LB, Sloughter JM, Silva AM, Shultz SP. Differences in segmental fat accumulation patterns by sex and ethnicity: An international approach. Clin Obes 2024:e12637. [PMID: 38169103 DOI: 10.1111/cob.12637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 10/13/2023] [Accepted: 12/12/2023] [Indexed: 01/05/2024]
Abstract
Excess fat on the body impacts obesity-related co-morbidity risk; however, the location of fat stores affects the severity of these risks. The purpose of this study was to examine segmental fat accumulation patterns by sex and ethnicity using international datasets. An amalgamated and cross-calibrated dataset of dual x-ray absorptiometry (DXA)-measured variables compiled segmental mass for bone mineral content (BMC), lean mass (LM), and fat mass (FM) for each participant; percentage of segment fat (PSF) was calculated as PSFsegment = (FMsegment /(BMCsegment + LMsegment + FMsegment )) × 100. A total of 30 587 adults (N = 16 490 females) from 13 datasets were included. A regression model was used to examine differences in regional fat mass and PSF. All populations followed the same segmental fat mass accumulation in the ascending order with statistical significance (arms < legs < trunk), except for Hispanic/Latinx males (arms < [legs = trunk]). Relative fat accumulation patterns differed between those with greater PSF in the appendages (Arab, Mexican, Asian, Black, American Caucasian, European Caucasian, and Australasian Caucasian females; Black males) and those with greater PSF in the trunk (Mexican, Asian, American Caucasian, European Caucasian, and Australasian Caucasian males). Greater absolute and relative fat accumulation in the trunk could place males of most ethnicities in this study at a higher risk of visceral fat deposition and associated co-morbidities.
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Affiliation(s)
- Arden K Wong
- Kinesiology Department, Seattle University, Seattle, Washington, USA
| | - Ketevan Asatiani
- Georgian Association for the Study of Obesity, European Association for the Study of Obesity, Tbilisi, Republic of Georgia
| | - Emma Chávez-Manzanera
- Obesity and Eating Disorders Clinic, Department of Endocrinology and Metabolism, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - David J Elmer
- Department of Kinesiology, Berry College, Mount Berry, Georgia, USA
| | - Steven B Heymsfield
- Body Composition-Metabolism Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA
| | - Sangmo Hong
- College of Medicine, Hanyang University, Gyeonggi-do, Republic of Korea
| | - Lilian Ilesanmi-Oyelere
- School of Health Sciences, College of Health, Massey University, Palmerston North, New Zealand
| | - Masaharu Kagawa
- Institute of Nutrition Sciences, Kagawa Nutrition University, Saitama, Japan
- School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Sanja Klobucar
- Department of Endocrinology, Diabetes and Metabolic Diseases, Clinical Hospital Center Rijeka, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
| | - Omar A Obeid
- Department of Nutrition and Food Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut, Lebanon
| | - Ronald C Plotnikoff
- Centre for Active Living and Learning, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Luís B Sardinha
- Exercise and Health Laboratory, CIPER, Faculdade Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal
| | | | - Analiza M Silva
- Exercise and Health Laboratory, CIPER, Faculdade Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal
| | - Sarah P Shultz
- Kinesiology Department, Seattle University, Seattle, Washington, USA
- School of Arts & Sciences, Fort Lewis College, Durango, Colorado, USA
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Garemo M, Sundh V, Mellström D, Strandvik B. Serum phospholipid fatty acids are associated with bone mass in healthy 4-years-old children. Prostaglandins Leukot Essent Fatty Acids 2024; 200:102606. [PMID: 38181601 DOI: 10.1016/j.plefa.2023.102606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 12/21/2023] [Accepted: 12/23/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Fatty acids are involved in bone development but knowledge in children is limited. The aim of this study was to investigate bone mass and mineral density in healthy preschool children in relation to fatty acids. MATERIAL AND METHODS In 111 healthy 4-yrs-old children (20 % overweight) bone was analysed by dual X-ray absorptiometry and serum phospholipid fatty acid by gas chromatography. Fat intake was calculated from 7 days self-reported dietary records and food frequency questionnaire. RESULTS Total bone mass content (BMC) and mineral density (BMD) differed by sex in normal weight, but not in overweight children showing generally higher bone mass density than children with normal weight. Linoleic acid intake was strongly correlated to BMC and femoral BMD in normal weight children. Serum concentration of docosahexaenoic acid correlated positively to BMD in all children (p = 0.01), but linoleic and arachidonic acids, and monounsaturated fatty acids showed diverging associations with bone in normal weight and overweight children. CONCLUSION Serum phospholipid DHA was associated with bone density. Other fatty acids associations to bone sites differed in overweight children, analogue to the pattern in healthy 8-yrs-old.The finding need to be confirmed longitudinally and in a larger group of overweight individuals.
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Affiliation(s)
- Malin Garemo
- University of Gothenburg, Department of Pediatrics, Sahlgrenska Academy, Göteborg, Sweden
| | - Valter Sundh
- University of Gothenburg, Department of Community Medicine and Public Health, Institute of Medicine, Sahlgrenska Academy, Göteborg, Sweden
| | - Dan Mellström
- University of Gothenburg, Center for Bone and Arthritis Research, Department of Internal Medicine, Institutet of Medicine, Sahlgrenska Academy, Göteborg, Sweden
| | - Birgitta Strandvik
- Karolinska Institutet, Department of Biosciences and Nutrition, Stockholm, Sweden.
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Savikangas T, Suominen TH, Alén M, Rantalainen T, Sipilä S. Changes in femoral neck bone mineral density and structural strength during a 12-month multicomponent exercise intervention among older adults - Does accelerometer-measured physical activity matter? Bone 2024; 178:116951. [PMID: 37913888 DOI: 10.1016/j.bone.2023.116951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 10/18/2023] [Accepted: 10/24/2023] [Indexed: 11/03/2023]
Abstract
Age-related bone loss is to some extent unavoidable, but it may be decelerated with regular exercise continued into older age. Daily physical activity alongside structured exercise may be an important stimulus for maintaining bone strength, but the relationships of habitual physical activity with bone strength are sparsely investigated in older adults. Therefore, the main aim was to investigate if accelerometer-derived impact-based and intensity-minute-based measures of physical activity were associated with changes in femoral neck bone traits during a 12-month exercise intervention among community-dwelling older men and women. Data comes from the PASSWORD study (ISRCTN52388040), a year-long multicomponent exercise intervention. Participants were 299 older adults (mean age 74 ± 4 years, 58 % women), who self-reported not to meet the physical activity guidelines for older adults but did not have any contraindications for exercising. The multicomponent training program included both supervised and self-administered exercises aimed at improving muscle strength, postural balance, and aerobic endurance. Physical activity was assessed at baseline and at six months into the intervention, and femoral neck bone properties at baseline and at twelve months. Physical activity measures were accelerometer-measured mean daily osteogenic index score, low, medium, and high intensity impact counts, and sedentary, light, and moderate-to-vigorous intensity activity minutes. Femoral neck bone mineral density (BMD) was measured with DXA and structural strength indicators (cross-sectional area [CSA] and section modulus) were subsequently derived from hip structural analysis. Longitudinal associations of physical activity and bone outcomes were analyzed with generalized estimating equation linear models. Sex was included as a moderating factor, and models were further adjusted by potentially confounding factors (age, height, weight, smoking status, medications, chronic disease conditions, and strength training adherence). Participants increased their physical activity by all measures and decreased their sedentary time from baseline to six months. BMD decreased from baseline to post-intervention, while CSA maintained stable and section modulus slightly increased. Osteogenic index, high impacts, and moderate-to-vigorous intensity physical activity, measured across the first half of the study, were positively associated with changes in BMD over 12 months (time х physical activity interaction effect: ß = 0.065, 95 % CI [0.004, 0.126]; ß = 0.169, 95 % CI [0.048, 0.289]; and ß = 0.151, 95 % CI [0.016, 0.286], respectively). That is, the higher the physical activity was, the smaller was the decline in BMD. Any physical activity measure was not associated with changes in CSA or section modulus in the full study sample. Sex did not significantly moderate the longitudinal associations, except the association between sedentary time and CSA (sex х time х PA interaction effect: ß = -0.017, 95 % CI [-0.033, -0.002]). An inverse association was found between sedentary time and changes in CSA in women, but not in men. In conclusion, BMD decline was less pronounced in individuals who accumulated more accelerometer-measured daily physical activity at the intensity of very brisk walking or light lateral jumping or higher intensities in a sample of relatively healthy, previously physically inactive older adults. Our findings support that accumulating the recommended amount of 150 or more weekly minutes of moderate-to-vigorous physical activity is also beneficial for older adults' bone health when incorporated into a multicomponent exercise program.
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Affiliation(s)
- T Savikangas
- Gerontology Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Finland.
| | - T H Suominen
- Gerontology Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Finland.
| | - M Alén
- Department of Medical Rehabilitation, Oulu University Hospital, Oulu, Finland.
| | - T Rantalainen
- Gerontology Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Finland.
| | - S Sipilä
- Faculty of Sport and Health Sciences, University of Jyväskylä, Finland.
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Lau A, Prout T, Malabanan A, Szalat A, Krueger D, Tanner SB, Rosen H, Shuhart C. Reporting of Full-Length Femur Imaging to Detect Incomplete Atypical Femur Fractures: 2023 Official Positions of the International Society for Clinical Densitometry. J Clin Densitom 2024; 27:101439. [PMID: 38000921 DOI: 10.1016/j.jocd.2023.101439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2023]
Abstract
Incomplete atypical femur fractures (iAFFs) are associated with the long-term use of anti-resorptive therapies. Although X-rays are typically used to screen for iAFFs, images from dual-energy X-ray absorptiometry (DXA) offer an alternate method for detecting iAFFs. Although a previous 2019 ISCD Official Position on this subject exists, our task force aimed to update the literature review and to propose recommendations on reporting findings related to iAFFs that may be observed on DXA images. The task force recommended that full-length femur imaging (FFI) from DXA can be used as a screening tool for iAFFs. The presence of focal lateral cortical thickening and transverse lucencies should be reported, if identified on the FFI. This task force proposed a classification system to determine the likelihood of an iAFF, based on radiographic features seen on the FFI. Lastly, the task force recommended that the clinical assessment of prodromal symptoms (pain) is not required for the assessment of FFI.
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Affiliation(s)
- Adrian Lau
- Division of Endocrinology and Metabolism, Department of Medicine, Women's College Hospital, University of Toronto, Toronto, Ontario, Canada.
| | - Tyler Prout
- Radiology Department, University of Wisconsin, Madison, WI, United States
| | - Alan Malabanan
- Bone Health Clinic, Boston Medical Center, Boston, MA, United States
| | - Auryan Szalat
- Osteoporosis Center, Internal Medicine Ward, Hadassah Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Diane Krueger
- School of Medicine and Public Health, Osteoporosis Clinical Research Program, University of Wisconsin-Madison, Madison, WI, United States
| | - S Bobo Tanner
- Department of Medicine, Divisions of Rheumatology, Allergy & Immunology, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Harold Rosen
- Osteoporosis Prevention and Treatment Center, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - Christopher Shuhart
- Bone Health and Osteoporosis Center, Swedish Medical Group, Seattle, WA, United States
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Krueger D, Tanner SB, Szalat A, Malabanan A, Prout T, Lau A, Rosen HN, Shuhart C. DXA Reporting Updates: 2023 Official Positions of the International Society for Clinical Densitometry. J Clin Densitom 2024; 27:101437. [PMID: 38011777 DOI: 10.1016/j.jocd.2023.101437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
INTRODUCTION Professional guidance and standards assist radiologic interpreters in generating high quality reports. Initially DXA reporting Official Positions were provided by the ISCD in 2003; however, as the field has progressed, some of the current recommendations require revision and updating. This manuscript details the research approach and provides updated DXA reporting guidance. METHODS Key Questions were proposed by ISCD established protocols and approved by the Position Development Conference Steering Committee. Literature related to each question was accumulated by searching PubMed, and existing guidelines from other organizations were extracted from websites. Modifications and additions to the ISCD Official Positions were determined by an expert panel after reviewing the Task Force proposals and position papers. RESULTS Since most DXA is now performed in radiology departments, an approach was endorsed that better aligns with standard radiologic reports. To achieve this, reporting elements were divided into required minimum or optional. Collectively, required components comprise a standard diagnostic report and are considered the minimum necessary to generate an acceptable report. Additional elements were retained and categorized as optional. These optional components were considered relevant but tailored to a consultative, clinically oriented report. Although this information is beneficial, not all interpreters have access to sufficient clinical information, or may not have the clinical expertise to expand beyond a diagnostic report. Consequently, these are not required for an acceptable report. CONCLUSION These updated ISCD positions conform with the DXA field's evolution over the past 20 years. Specifically, a basic diagnostic report better aligns with radiology standards, and additional elements (which are valued by treating clinicians) remain acceptable but are optional and not required. Additionally, reporting guidance for newer elements such as fracture risk assessment are incorporated. It is our expectation that these updated Official Positions will improve compliance with required standards and generate high quality DXA reports that are valuable to the recipient clinician and contribute to best patient care.
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Affiliation(s)
- Diane Krueger
- School of Medicine and Public Health, Osteoporosis Clinical Research Program, University of Wisconsin-Madison, Madison, WI, USA.
| | - S Bobo Tanner
- Department of Medicine, Divisions of Rheumatology, Allergy & Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Auryan Szalat
- Osteoporosis Center, Internal Medicine Ward, Hadassah Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Alan Malabanan
- Bone Health Clinic, Boston Medical Center, Boston, MA, USA
| | - Tyler Prout
- Radiology Department, University of Wisconsin, Madison, WI, USA
| | - Adrian Lau
- Division of Endocrinology and Metabolism, Department of Medicine, Women's College Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Harold N Rosen
- Osteoporosis Prevention and Treatment Center, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Christopher Shuhart
- Bone Health and Osteoporosis Center, Swedish Medical Group, Seattle, WA, USA
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Rosen H, Lau A, Szalat A, Tanner SB, Krueger D, Prout T, Malabanan A, Shuhart C. Reporting Fewer Than Four Vertebrae: 2023 Official Positions of the International Society for Clinical Densitometry. J Clin Densitom 2024; 27:101436. [PMID: 37985274 DOI: 10.1016/j.jocd.2023.101436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
The precision for spine bone mineral density (BMD) worsens as vertebrae are excluded, so recommendations are needed for least significant change (LSC) for spine BMDs based on fewer than 4 vertebrae. The task force recommends re-analysis of each facility's L1-L4 in-house precision study to determine the precision in order to calculate the LSC for each combination of 2 or 3 reported vertebrae. The task force recommended not reporting spine BMDs based on single vertebral bodies for either the diagnosis or monitoring of osteoporosis. Specific data for studies assessing the precision of two non-contiguous vertebrae are mixed, but ultimately the task force recommended that spine BMD based on 2 non-contiguous vertebrae can be used for the diagnosis and monitoring of osteoporosis.
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Affiliation(s)
- Harold Rosen
- Osteoporosis Prevention and Treatment Center, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA, 02215, United States.
| | - Adrian Lau
- Division of Endocrinology and Metabolism, Department of Medicine, Women's College Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Auryan Szalat
- Osteoporosis Center, Internal Medicine Ward, Hadassah Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - S Bobo Tanner
- Department of Medicine, Divisions of Rheumatology, Allergy & Immunology, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Diane Krueger
- School of Medicine and Public Health, Osteoporosis Clinical Research Program, University of Wisconsin-Madison, Madison, WI, United States
| | - Tyler Prout
- Radiology Department, University of Wisconsin, Madison, WI, United States
| | - Alan Malabanan
- Bone Health Clinic, Boston Medical Center, Boston, MA, United States
| | - Christopher Shuhart
- Bone Health and Osteoporosis Center, Swedish Medical Group, Seattle, WA, United States
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Clark KA, Nielsen S, Heywood T, Nguyen C, Mitchell UH. Dual-Energy X-Ray Absorptiometry Does Not Confirm Validity of the Craig's Test. J Clin Densitom 2024; 27:101466. [PMID: 38232655 DOI: 10.1016/j.jocd.2024.101466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 12/20/2023] [Accepted: 01/04/2024] [Indexed: 01/19/2024]
Abstract
The Craig's test is a clinical assessment used to quantify femoral version. The validity of the Craig's test has been called into question due to instances where the test exhibits relatively poor correlation with three-dimensional imaging. Our study purpose was to use dual-energy X-ray absorptiometry (DXA) to indirectly assess the validity of the Craig's test. Twenty-three volunteers (n = 46; each hip analyzed separately) received two hip DXA scans using two different methods of positioning. During the first scan, a standard-sized wedge, the conventional tool of hip positioning for DXA scans, was used to fixate the legs without regard for individual levels of femoral version. For the second scan, the participants' hips were manually positioned according to their degree of femoral version determined by the Craig's test. We hypothesized that the bone mineral density (BMD) values from the customized positions would be lower due to the X-ray beams hitting the femoral neck perpendicularly. A paired t-test revealed weak evidence of a difference between BMD readings of the conventional and customized positions (p-value = 0.065); moreover, contrary to our hypothesis, the BMD readings obtained in the standard position were lower than those obtained in the customized position, albeit not significantly. Our findings suggest that the Craig's test is not a valid clinical assessment of true femoral version. A secondary conclusion is that the widespread use of the standard wedge for hip positioning during DXA scans is a better option than trying to find a customized position that is based on findings of the Craig's test.
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Boehm E, Kraft E, Biebl JT, Wegener B, Stahl R, Feist-Pagenstert I. Quantitative computed tomography has higher sensitivity detecting critical bone mineral density compared to dual-energy X-ray absorptiometry in postmenopausal women and elderly men with osteoporotic fractures: a real-life study. Arch Orthop Trauma Surg 2024; 144:179-188. [PMID: 37796283 DOI: 10.1007/s00402-023-05070-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 09/03/2023] [Indexed: 10/06/2023]
Abstract
INTRODUCTION Dual-energy X-ray absorptiometry (DXA) is considered the gold standard for the diagnosis of osteoporosis and assessment of fracture risk despite proven limitations. Quantitative computed tomography (QCT) is regarded as a sensitive method for diagnosis and follow-up. Pathologic fractures are classified as the main clinical manifestation of osteoporosis. The objective of the study was to compare DXA and QCT to determine their sensitivity and discriminatory power. MATERIALS AND METHODS Patients aged 50 years and older were included who had DXA of the lumbar spine and femur and additional QCT of the lumbar spine within 365 days. Fractures and bone mineral density (BMD) were retrospectively examined. BMD measurements were analyzed for the detection of osteoporotic fractures. Sensitivity and receiver operating characteristic curve were used for calculations. As an indication for a second radiological examination was given, the results were compared with control groups receiving exclusively DXA or QCT for diagnosis or follow-up. RESULTS Overall, BMD measurements of 404 subjects were analyzed. DXA detected 15 (13.2%) patients having pathologic fractures (n = 114) with normal bone density, 66 (57.9%) with osteopenia, and 33 (28.9%) with osteoporosis. QCT categorized no patients having pathologic fractures with healthy bone density, 14 (12.3%) with osteopenia, and 100 (87.7%) with osteoporosis. T-score DXA, trabecular BMD QCT, and cortical BMD QCT correlated weakly. Trabecular BMD QCT and cortical BMD QCT classified osteoporosis with decreased bone mineral density (AUC 0.680; 95% CI 0.618-0.743 and AUC 0.617; 95% CI 0.553-0.682, respectively). T-score DXA could not predict prevalent pathologic fractures. In control groups, each consisting of 50 patients, DXA and QCT were significant classifiers to predict prevalent pathologic fractures. CONCLUSION Our results support that volumetric measurements by QCT in preselected subjects represent a more sensitive method for the diagnosis of osteoporosis and prediction of fractures compared to DXA.
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Affiliation(s)
- Elena Boehm
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
| | - Eduard Kraft
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
- Department of Rehabilitation, City Hospital Bogenhausen, Englschalkinger Straße 77, 81925, Munich, Germany
| | - Johanna Theresia Biebl
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany.
| | - Bernd Wegener
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
| | - Robert Stahl
- Institute of Diagnostic and Interventional Neuroradiology, University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
| | - Isa Feist-Pagenstert
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
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Gehrke B, Farias MLF, Wildemberg LE, Ferraiuoli GI, Ribeiro V, Bosgnoli R, Paranhos Neto FDP, de Mendonça LMC, Madeira M, Coelho MCA. Evaluation of bone mineral density, microarchitecture, and detection of fractures on young patients living with human immunodeficiency virus: when and how to screen? Endocrine 2024; 83:214-226. [PMID: 37673836 DOI: 10.1007/s12020-023-03501-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 08/17/2023] [Indexed: 09/08/2023]
Abstract
PURPOSE People living with the human immunodeficiency virus (PLWH) developed higher life expectancy along with chronic bone disease over the past years. Our purpose is to evaluate bone mineral density, bone microarchitecture and fractures in young PLWH and understand the disease's contribution to bone derangements and fracture risk. METHODS Eighty-one HIV-infected and 54 control young (20-50 years) male and female subjects were enrolled in this study. Methods for patient evaluation included DXA-VFA (dual energy X-rays and vertebral fracture assessment), HR-pQCT (high resolution peripheral quantitative computed tomography), biochemistry and FRAX. RESULTS Fifty participants from each group completed all exams. Median age was 40 (25-49) vs. 36.5 (22-50) for the HIV and control groups, respectively (p 0.120). Ethnicity, body mass index, serum phosphorus, 25-hydroxyvitamin D, PTH and CTX were similar between groups, although ALP and OC suggested higher bone turnover in PLWH. VFA identified morphometric vertebral fractures in 12% of PLWH. PLWH had lower values for lumbar spine areal BMD and Z score, volumetric BMD, trabecular bone fraction (BV/TV) and trabecular number measured at the distal tibia by HR-pQCT; as a consequence, trabecular separation and heterogeneity were higher (all p < 0.05). The FRAX-estimated risk for hip and major osteoporotic fractures was statistically higher in PLWH (p < 0.001). CONCLUSION Our results confirm severe bone impairment and fractures associated with HIV in young patients. Thus, we developed a screening protocol for young PLWH to detect bone fragility, reduce skeletal disease progression and morbimortality, decrease fracture risk, and increase quality of life.
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Affiliation(s)
- Bárbara Gehrke
- Programa de Pós-graduação em Fisiopatologia Clínica e Experimental (FISCLINEX) - Universidade Estadual do Rio de Janeiro, Rio de Janeiro, 20551-030, RJ, Brasil.
- Centro de Pesquisa Clínica Multiusuário (CePeM) - Universidade Estadual do Rio de Janeiro, Rio de Janeiro, 20551-030, RJ, Brasil.
- Divisão de Endocrinologia, Departamento de Medicina Interna, Faculdade de Ciências Médicas - Universidade Estadual do Rio de Janeiro (UERJ), Rio de Janeiro, 20550-900, RJ, Brasil.
| | - Maria Lucia Fleiuss Farias
- Divisão de Endocrinologia - Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, 21941-590, RJ, Brasil
| | - Luiz Eduardo Wildemberg
- Divisão de Neuroendocrinologia - Instituto Estadual do Cérebro Paulo Niemeyer, Secretaria Estadual de Saúde, Rio de Janeiro, 20231-092, RJ, Brasil
| | - Giovanna Ianini Ferraiuoli
- Divisão de Infectologia - Hospital Universitário Pedro Ernesto (HUPE)/Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, 20551-030, RJ, Brasil
| | - Valéria Ribeiro
- Divisão de Infectologia - Hospital Universitário Pedro Ernesto (HUPE)/Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, 20551-030, RJ, Brasil
| | - Rogério Bosgnoli
- Labhor - Laboratório de Hormônios da Endocrinologia - Hospital Universitário Pedro Ernesto (HUPE)/Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, 20551-030, RJ, Brasil
| | | | - Laura Maria Carvalho de Mendonça
- Divisão de Reumatologia, Departamento de Medicina Interna - Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, 21941-590, RJ, Brasil
| | - Miguel Madeira
- Divisão de Endocrinologia - Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, 21941-590, RJ, Brasil
| | - Maria Caroline Alves Coelho
- Programa de Pós-graduação em Fisiopatologia Clínica e Experimental (FISCLINEX) - Universidade Estadual do Rio de Janeiro, Rio de Janeiro, 20551-030, RJ, Brasil
- Centro de Pesquisa Clínica Multiusuário (CePeM) - Universidade Estadual do Rio de Janeiro, Rio de Janeiro, 20551-030, RJ, Brasil
- Divisão de Endocrinologia, Departamento de Medicina Interna, Faculdade de Ciências Médicas - Universidade Estadual do Rio de Janeiro (UERJ), Rio de Janeiro, 20550-900, RJ, Brasil
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Steffen MJA, McCoy KD, Mengeling MA, Miller KL, Davila H, Wardyn SE, Shibli-Rahhal A, Farukhi I, Solimeo SL. National Survey of the Bone Densitometry Evaluation Process Within an Integrated Healthcare System. J Clin Densitom 2024; 27:101459. [PMID: 38118352 DOI: 10.1016/j.jocd.2023.101459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 11/28/2023] [Accepted: 11/29/2023] [Indexed: 12/22/2023]
Abstract
BACKGROUND To assess the current state of bone mineral density evaluation services via dual energy x-ray absorptiometry (DXA) provided to Veterans with fracture risk through the development and administration of a nationwide survey of facilities in the Veterans Health Administration. METHODOLOGY The Bone Densitometry Survey was developed by convening a Work Group of individuals with expertise in bone densitometry and engaging the Work Group in an iterative drafting and revision process. Once completed, the survey was beta tested, administered through REDCap, and sent via e-mail to points of contact at 178 VHA facilities. RESULTS Facility response rate was 31 % (56/178). Most DXA centers reported positively to markers of readiness for their bone densitometers: less than 10 years old (n=35; 63 %); in "excellent" or "good" condition (n=44; 78 %, 32 % and 46 %, respectively); and perform phantom calibration (n=43; 77 %). Forty-one DXA centers (73 %) use intake processes that have been shown to reduce errors. Thirty-seven DXA centers (66 %) reported their technologists receive specialized training in DXA, while 14 (25 %) indicated they receive accredited training. Seventeen DXA centers (30 %) reported performing routine precision assessment. CONCLUSIONS Many DXA centers reported using practices that meet minimal standards for DXA reporting and preparation; however, the lack of standardization, even within an integrated healthcare system, indicates an opportunity for quality improvement to ensure consistent high quality bone mineral density evaluation of Veterans.
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Affiliation(s)
- Melissa J A Steffen
- VA Office of Rural Health, Veterans Rural Health Resource Center-Iowa City (VRHRC-IC), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, 52246, United States; Center for Access & Delivery Research and Evaluation (CADRE), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, United States; Primary Care Analytics Team Iowa City (PCAT-IC), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, United States.
| | - Kimberly D McCoy
- VA Office of Rural Health, Veterans Rural Health Resource Center-Iowa City (VRHRC-IC), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, 52246, United States; Center for Access & Delivery Research and Evaluation (CADRE), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, United States
| | - Michelle A Mengeling
- VA Office of Rural Health, Veterans Rural Health Resource Center-Iowa City (VRHRC-IC), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, 52246, United States; Center for Access & Delivery Research and Evaluation (CADRE), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, United States; Division of General Internal Medicine, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA, United States
| | - Karla L Miller
- VA Office of Rural Health, Veterans Rural Health Resource Center-Salt Lake City (VRHRC-SLC); VA Salt Lake City Healthcare System, Salt Lake City, UT, United States; Department of Internal Medicine, Rheumatology Section, VA Salt Lake City Healthcare System, Salt Lake City, UT, United States; Division of Rheumatology, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - Heather Davila
- VA Office of Rural Health, Veterans Rural Health Resource Center-Iowa City (VRHRC-IC), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, 52246, United States; Center for Access & Delivery Research and Evaluation (CADRE), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, United States
| | - Shylo E Wardyn
- VA Office of Rural Health, Veterans Rural Health Resource Center-Iowa City (VRHRC-IC), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, 52246, United States; Center for Access & Delivery Research and Evaluation (CADRE), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, United States
| | - Amal Shibli-Rahhal
- Division of General Internal Medicine, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA, United States
| | - Irfan Farukhi
- Nuclear Medicine Service, VA Texas Health Care System, Dallas VA Medical Center, Dallas, TX, United States
| | - Samantha L Solimeo
- VA Office of Rural Health, Veterans Rural Health Resource Center-Iowa City (VRHRC-IC), Department of Veterans Affairs, Iowa City VA Healthcare System, Iowa City, IA, 52246, United States; Division of General Internal Medicine, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA, United States
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Coulombe JC, Maridas DE, Chow JL, Bouxsein ML. Small animal DXA instrument comparison and validation. Bone 2024; 178:116923. [PMID: 37778596 DOI: 10.1016/j.bone.2023.116923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/03/2023]
Abstract
Several new peripheral dual-energy X-ray absorptiometry (DXA) devices designed for assessment of bone and body composition in rodents have been developed. We compared the performance (accuracy and precision) of two of these devices, the InAlyzer and the iNSiGHT, to those of an established device, the PIXImus. We measured total body bone mineral content (BMC), bone mineral density (BMD), and body composition (lean and fat mass) on the three DXA devices in 18 male C57Bl/6 J mice (6 each of ages 8, 14, and 24 weeks, weighing 22 to 33 g). DXA body composition measures were compared to whole-body nuclear magnetic resonance (NMR) outcomes. BMC of the femur was also compared to ex vivo micro-computed tomography (microCT). Total body BMD from the InAlyzer and iNSiGHT devices was strongly correlated to that from PIXImus (R2 = 0.83 and 0.82, respectively), but was ~25 % higher than PIXImus. Total body BMC measures by InAlyzer were strongly associated with those from PIXImus (R2 = 0.86), whereas those from iNSiGHT were only weakly correlated (R2 = 0.29). Femur BMC from InAlyzer was strongly correlated with microCT outcomes, whereas iNSiGHT was only weakly correlated. InAlyzer and iNSiGHT fat mass measures were very strongly correlated with PIXImus and NMR outcomes (R2 = 0.91 to 0.97), with slightly weaker associations for lean mass (R2 = 0.81 to 0.76). Short-term precision of InAlyzer and iNSiGHT measurements were excellent, and akin to those from the PIXImus for both body composition and bone measures, ranging between 0.39 and 3.2 %. With faster scan times, closed X-ray source and excellent precision, the new devices are both satisfactory replacements for the now discontinued PIXImus system. However, given the accuracy of the bone and body composition measures, the InAlyzer may be preferable for studies where musculoskeletal changes are the main interest.
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Affiliation(s)
- Jennifer C Coulombe
- Center for Advanced Orthopedic Studies, Department of Orthopedic Surgery, Beth Israel Deaconess Medical Center, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America
| | | | - Jarred L Chow
- Center for Advanced Orthopedic Studies, Department of Orthopedic Surgery, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Mary L Bouxsein
- Center for Advanced Orthopedic Studies, Department of Orthopedic Surgery, Beth Israel Deaconess Medical Center, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America.
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Prout T, Pelzl C, Christensen EW, Binkley N, Schousboe J, Krueger D. Dual-energy X-ray Absorptiometry Trends Among US Medicare Beneficiaries: 2005-2019. J Clin Densitom 2024; 27:101456. [PMID: 38128449 DOI: 10.1016/j.jocd.2023.101456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023]
Abstract
INTRODUCTION Bone density measured using dual-energy X-ray absorptiometry (DXA) volume, performance site and interpreters have changed in the US since 2005. The purpose of this report is to provide updated trends in DXA counts, rates, place of service and interpreter specialty for the Medicare fee-for-service population. METHODS The 100 % Medicare Physician/Supplier Procedure Summary Limited Data Set between 2005-2019 was used. DXA counts and annual rates per 10,000 Medicare beneficiaries were calculated. Annual distributions of scan performance location, provider type and interpreter specialty were described. Place of service trends (significance assigned at p < 0.05) of the mean annual share of DXA utilization were identified using linear regression. RESULTS Annual DXA use per 10,000 beneficiaries peaked in 2008 at 832, declined to 656 in 2015 then increased (p < 0.001) by 38 per year to 807 in 2019. From 2005 to 2019 DXA performance in office settings declined from 70.7 % to 47.2 %. Concurrently, outpatient hospital (OH) DXA increased from 28.6 % to 51.7 %. In 2005, 43.5 % of DXAs were interpreted by radiologists. This increased (p < 0.001) in the office and OH, averaging 0.3 and 2.0 percentage points per year respectively, reaching 73.5 % in 2019. Interpretation by most non-radiologist specialties declined (p < 0.001). CONCLUSIONS From 2005-2019, total DXA use among Medicare beneficiaries declined reaching a nadir in 2015 then returned to 2005 levels by 2019. Office DXA declined since 2005 with 51.7 % of all scans now occurring in an OH setting. The proportion of DXAs interpreted by radiologists increased over time, reaching 73.5 % in 2019.
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Affiliation(s)
- Tyler Prout
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Casey Pelzl
- Harvey L. Neiman Health Policy Institute, Reston, VA, USA
| | - Eric W Christensen
- Harvey L. Neiman Health Policy Institute, Reston, VA, USA; University of Minnesota, Health Services Management, St. Paul, MN, USA
| | - Neil Binkley
- University of Wisconsin, Osteoporosis Clinical Research Program, Madison, WI, USA
| | - John Schousboe
- Park Nicollet Clinic & Health Partners Institute, Minneapolis, MN, USA
| | - Diane Krueger
- University of Wisconsin, Osteoporosis Clinical Research Program, Madison, WI, USA.
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Gao Y, Ye W, Ge X, Wang H, Xiong J, Zhu Y, Wang Z, Wang J, Tang P, Liu W, Cai W. Assessing the utility of MRI-based vertebral bone quality (VBQ) for predicting lumbar pedicle screw loosening. Eur Spine J 2024; 33:289-297. [PMID: 37981599 DOI: 10.1007/s00586-023-08034-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 10/18/2023] [Accepted: 10/28/2023] [Indexed: 11/21/2023]
Abstract
STUDY DESIGN Retrospective cohort. OBJECTIVE The purpose of this study is to assess the potential of utilizing the MRI-based vertebral bone quality (VBQ) score as a predictive tool for pedicle screw loosening (PSL) in patients who have undergone pedicle screw fixation and to identify risk factors associated with VBQ scores. METHODS One hundred and sixteen patients who had undergone pedicle screw fixation between December 2019 and January 2021 and had more than a year of follow-up were divided into two groups of PSL and non-PSL. The radiological and clinical parameters investigated were age, gender, body mass index, the VBQ score, length of fusion and the DXA T-score. RESULTS Of the 116 patients included in the study, 22 patients developed pedicle screw loosening after surgery (18.97%). VBQ score of PSL group was higher than the non-PSL group (3.61 ± 0.63 vs. 2. 86 ± 0.43, p < 0.001). According to logistic regression, PSL was independently linked with a higher VBQ score (OR = 3.555, 95% confidence interval [1.620-7.802], p < 0.005). The AUC of predicting screw loosening was 0.774 (p < 0.001) for VBQ score, and the best threshold was 3.055 (sensitivity, 81.8%; specificity, 71.3%). High VBQ score was associated with age (r (114) = 0.29, p = 0.002), while it was not negatively correlated with T-scores of each part. CONCLUSION VBQ score is an independent predictor of pedicle screw loosening, with higher scores indicating a greater risk. Our results showed that older patients and women had higher VBQ scores.
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Affiliation(s)
- Yu Gao
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China
| | - Wu Ye
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China
| | - Xuhui Ge
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China
| | - Haofan Wang
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China
| | - Junjun Xiong
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China
| | - Yufeng Zhu
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China
| | - Zhuanghui Wang
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China
| | - Jiaxing Wang
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China
| | - Pengyu Tang
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China
| | - Wei Liu
- Department of Orthopedics, Second Affiliated Hospital of Naval Medical University, Shanghai, 200003, China.
| | - Weihua Cai
- Department of Orthopedics, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu Province, China.
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Cataldi D, Bennett JP, Wong MC, Quon BK, Liu YE, Kelly NN, Kelly T, Schoeller DA, Heymsfield SB, Shepherd JA. Accuracy and precision of multiple body composition methods and associations with muscle strength in athletes of varying hydration: The Da Kine Study. Clin Nutr 2024; 43:284-294. [PMID: 38104490 DOI: 10.1016/j.clnu.2023.11.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 11/27/2023] [Accepted: 11/29/2023] [Indexed: 12/19/2023]
Abstract
BACKGROUND Athletes vary in hydration status due to ongoing training regimes, diet demands, and extreme exertion. With water being one of the largest body composition compartments, its variation can cause misinterpretation of body composition assessments meant to monitor strength and training progress. In this study, we asked what accessible body composition approach could best quantify body composition in athletes with a variety of hydration levels. METHODS The Da Kine Study recruited collegiate and intramural athletes to undergo a variety of body composition assessments including air-displacement plethysmography (ADP), deuterium-oxide dilution (D2O), dual-energy X-ray absorptiometry (DXA), underwater-weighing (UWW), 3D-optical (3DO) imaging, and bioelectrical impedance (BIA). Each of these methods generated 2- or 3-compartment body composition estimates of fat mass (FM) and fat-free mass (FFM) and was compared to equivalent measures of the criterion 6-compartment model (6CM) that accounts for variance in hydration. Body composition by each method was used to predict abdominal and thigh strength, assessed by isokinetic/isometric dynamometry. RESULTS In total, 70 (35 female) athletes with a mean age of 21.8 ± 4.2 years were recruited. Percent hydration (Body Water6CM/FFM6CM) had substantial variation in both males (63-73 %) and females (58-78 %). ADP and DXA FM and FF M had moderate to substantial agreement with the 6C model (Lin's Concordance Coefficient [CCC] = 0.90-0.95) whereas the other measures had lesser agreement (CCC <0.90) with one exception of 3DO FFM in females (CCC = 0.91). All measures of FFM produced excellent precision with %CV < 1.0 %. However, FM measures in general had worse precision (% CV < 2.0 %). Increasing quartiles (significant p < 0.001 trend) of 6CM FFM resulted in increasing strength measures in males and females. Moreover, the stronger the agreement between the alternative methods to the 6CM, the more robust their correlation with strength, irrespective of hydration status. CONCLUSION The criterion 6CM showed the best association to strength regardless of the hydration status of the athletes for both males and females. Simpler methods showed high precision for both FM and FFM and those with the strongest agreement to the 6CM had the highest strength associations. SUMMARY BOX This study compared various body composition analysis methods in 70 athletes with varying states of hydration to the criterion 6-compartment model and assessed their relationship to muscle strength. The results showed that accurate and precise estimates of body composition can be determined in athletes, and a more accurate body composition measurement produces better strength estimates. The best laboratory-based techniques were air displacement plethysmography and dual-energy x-ray absorptiometry, while the commercial methods had moderate-poor agreement. Prioritizing accurate body composition assessment ensures better strength estimates in athletes.
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Affiliation(s)
- Devon Cataldi
- Department of Epidemiology, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI, 96813, USA
| | - Jonathan P Bennett
- Department of Epidemiology, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI, 96813, USA
| | - Michael C Wong
- Department of Epidemiology, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI, 96813, USA
| | - Brandon K Quon
- Department of Epidemiology, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI, 96813, USA
| | - Yong En Liu
- Department of Epidemiology, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI, 96813, USA
| | - Nisa N Kelly
- Department of Epidemiology, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI, 96813, USA
| | - Thomas Kelly
- Hologic Inc, 250 Campus Dr, Marlborough, MA 01752, USA
| | - Dale A Schoeller
- Isotope Ratio Core Biotech Center and Nutritional Sciences, Henry Mall Madison, WI 53706, USA
| | - Steven B Heymsfield
- Pennington Biomedical Research Center, 6400 Perkins Road, Baton Rouge, LA, 7080, USA
| | - John A Shepherd
- Department of Epidemiology, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI, 96813, USA.
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Villa P, Cipolla C, Amar I, Sodero G, Pane LC, Ingravalle F, Pontecorvi A, Scambia G. Bone mineral density and body mass composition measurements in premenopausal anorexic patients: the impact of lean body mass. J Bone Miner Metab 2024; 42:134-141. [PMID: 38194090 DOI: 10.1007/s00774-023-01487-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 11/27/2023] [Indexed: 01/10/2024]
Abstract
INTRODUCTION Evaluating bone density and body composition by dual-energy x-ray absorptiometry (DXA) and analyzing their relationships among young anorexic women in comparison with normal-lean matched controls. MATERIALS AND METHODS In this observational cohort study, 98 normal-underweight young females were enrolled (aged more than 16 and less than 24 years). The study group included 68 anorexic patients and 30 healthy age-matched controls. The patients underwent a DXA examination to evaluate bone mineral density and body composition. Several indexes of body composition were used: the FMI (Fat Mass Index), the TLMI (Total Lean Mass Index) and the SMI (Skeletal Muscle mass Index) the last one as a marker of sarcopenia. RESULTS According to the ISCD (International Society for Clinical Densitometry) criteria, a significantly higher percentage of anorexic patients were found to be below the expected range for age as compared to controls (P < 0.01). According to WHO criteria, 20% of the anorexic patients presented an osteoporotic T-score index at the lumbar level and 18% presented an osteoporotic T-score at the femoral level. As regards the lean body characteristics, the SMI and TLMI were significantly lower in the anorexic population (P < 0.01 and P < 0.001, respectively) and 24% of the anorexic patients presented SMI values that are indicative of pre-sarcopenia. In addition, only the SMI significantly correlated with both the lumbar and the femoral BMD values. CONCLUSION Anorexic patients have a very high risk of osteoporosis and fractures. Bone density is influenced by fat body mass and also significantly by lean body mass. Special consideration should be given to the sarcopenic condition since it is a worsening factor of bone health.
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Affiliation(s)
- Paola Villa
- Department of Obstetrics and Gynecology, Catholic University, Rome, Italy
| | - Clelia Cipolla
- Department of Obstetrics and Gynecology, Catholic University, Rome, Italy
- Department of Endocrinology and Metabolic Diseases, Catholic University, Rome, Italy
| | - Inbal Amar
- Department of Obstetrics and Gynecology, Catholic University, Rome, Italy
| | - Giorgio Sodero
- Department of Pediatrics, Catholic University, Rome, Italy.
- Institute of Pediatrics, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli, Via Della Pineta Sacchetti, 217, 00168, Rome, Italy.
| | | | - Fabio Ingravalle
- Department of Obstetrics and Gynecology, Catholic University, Rome, Italy
| | - Alfredo Pontecorvi
- Department of Endocrinology and Metabolic Diseases, Catholic University, Rome, Italy
| | - Giovanni Scambia
- Department of Obstetrics and Gynecology, Catholic University, Rome, Italy
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Tanner SB, Krueger D, Szalat A, Prout T, Lau A, Malabanan A, Rosen H, Shuhart C. Bilateral hip DXA Reporting: 2023 Official Positions of the International Society for Clinical Densitometry. J Clin Densitom 2024; 27:101438. [PMID: 38030473 DOI: 10.1016/j.jocd.2023.101438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
INTRODUCTION This position development conference (PDC) Task Force examined the use and reporting of bilateral hip bone mineral density (BMD) measurements. This was deemed appropriate as increased availability of Dual-energy X-ray Absorptiometry (DXA) technology offering bilateral hip measurement resulted in more routine clinical use. The International Society for Clinical Densitometry Official Positions accept bilateral hip BMD measurement for clinical use but currently do not include recommendations for reporting those studies. METHODS Four key questions regarding bilateral hip reporting were proposed by the PDC Steering Committee. Relevant literature was identified using PubMed. Questions included whether bilateral hip measurements are appropriate for diagnostic classification or monitoring, as well as which bilateral hip regions of interest should be reported for diagnosis and monitoring. Additionally, the appropriate nomenclature for bilateral hip acquisition was defined. RESULTS The literature review demonstrated that bilateral hip measurement is appropriate and diagnostic classification should be based on the lowest T-score at the right or left side femoral neck or total hip; the mean T-score should not be used for diagnostic purposes. Mean bilateral total hip is preferred for BMD monitoring. The terms hip, or total hip were deemed appropriate nomenclature instead of femur or total proximal femur. CONCLUSION Bilateral hip acquisition is clinically appropriate and reporting and nomenclature standards are offered herein when a bilateral hip study is acquired. In terms of future research, the impact of discordant hips on diagnosis and monitoring was identified as a significant knowledge gap.
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Affiliation(s)
- S Bobo Tanner
- Department of Medicine, Divisions of Rheumatology, Allergy & Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Diane Krueger
- School of Medicine and Public Health, Osteoporosis Clinical Research Program, University of Wisconsin-Madison, Madison, WI, USA.
| | - Auryan Szalat
- Osteoporosis Center, Internal Medicine Ward, Hadassah Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Tyler Prout
- Radiology Department, University of Wisconsin, Madison, Wisconsin USA
| | - Adrian Lau
- Division of Endocrinology and Metabolism, Department of Medicine, Women's College Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Alan Malabanan
- Bone Health Clinic, Boston Medical Center, Boston, MA, USA
| | - Harold Rosen
- Osteoporosis Prevention and Treatment Center, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Christopher Shuhart
- Bone Health and Osteoporosis Center, Swedish Medical Group, Seattle, WA, USA
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Hilkens L, van Schijndel N, Weijer VCR, Decroix L, Bons J, van Loon LJC, van Dijk JW. Jumping Exercise Combined With Collagen Supplementation Preserves Bone Mineral Density in Elite Cyclists. Int J Sport Nutr Exerc Metab 2024; 34:38-47. [PMID: 37883634 DOI: 10.1123/ijsnem.2023-0080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 08/22/2023] [Accepted: 08/29/2023] [Indexed: 10/28/2023]
Abstract
This study assessed the effect of combined jump training and collagen supplementation on bone mineral density (BMD) in elite road-race cyclists. In this open-label, randomized study with two parallel groups, 36 young (21 ± 3 years) male (n = 8) and female (n = 28) elite road-race cyclists were allocated to either an intervention (INT: n = 18) or a no-treatment control (CON: n = 18) group. The 18-week intervention period, conducted during the off-season, comprised five 5-min bouts of jumping exercise per week, with each bout preceded by the ingestion of 15 g hydrolyzed collagen. Before and after the intervention, BMD of various skeletal sites and trabecular bone score of the lumbar spine were assessed by dual-energy X-ray absorptiometry, along with serum bone turnover markers procollagen Type I N propeptide and carboxy-terminal cross-linking telopeptide of Type I collagen. BMD of the femoral neck decreased in CON (from 0.789 ± 0.104 to 0.774 ± 0.095 g/cm2), while being preserved in INT (from 0.803 ± 0.058 to 0.809 ± 0.066 g/cm2; Time × Treatment, p < .01). No differences between treatments were observed for changes in BMD at the total hip, lumbar spine, and whole body (Time × Treatment, p > .05 for all). Trabecular bone score increased from 1.38 ± 0.08 to 1.40 ± 0.09 in CON and from 1.46 ± 0.08 to 1.47 ± 0.08 in INT, respectively (time effect: p < .01), with no differences between treatments (Time × Treatment: p = .33). Serum procollagen Type I N propeptide concentrations decreased to a similar extent in CON (83.6 ± 24.8 to 71.4 ± 23.1 ng/ml) and INT (82.8 ± 30.7 to 66.3 ± 30.6; time effect, p < .001; Time × Treatment, p = .22). Serum carboxy-terminal cross-linking telopeptide of Type I collagen concentrations did not change over time, with no differences between treatments (time effect, p = .08; Time × Treatment, p = .58). In conclusion, frequent short bouts of jumping exercise combined with collagen supplementation beneficially affects femoral neck BMD in elite road-race cyclists.
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Affiliation(s)
- Luuk Hilkens
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, the Netherlands
- Department of Human Biology, NUTRIM, Maastricht University Medical Center+, Maastricht, the Netherlands
| | - Nick van Schijndel
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, the Netherlands
| | - Vera C R Weijer
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, the Netherlands
- Department of Human Biology, NUTRIM, Maastricht University Medical Center+, Maastricht, the Netherlands
| | - Lieselot Decroix
- Team Jumbo-Visma (Professional Cycling Team), Den Bosch, the Netherlands
| | - Judith Bons
- Central Diagnostic Laboratory, Maastricht University Medical Center+, Maastricht, the Netherlands
| | - Luc J C van Loon
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, the Netherlands
- Department of Human Biology, NUTRIM, Maastricht University Medical Center+, Maastricht, the Netherlands
| | - Jan-Willem van Dijk
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, the Netherlands
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Nielsen RL, Andersen AL, Kallemose T, Damgaard M, Bornæs O, Juul-Larsen HG, Strejby Christensen LW, Jawad BN, Andersen O, Rasmussen HH, Munk T, Lund TM, Houlind MB. Evaluation of Multi-Frequency Bioelectrical Impedance Analysis against Dual-Energy X-ray Absorptiometry for Estimation of Low Muscle Mass in Older Hospitalized Patients. J Clin Med 2023; 13:196. [PMID: 38202202 PMCID: PMC10779600 DOI: 10.3390/jcm13010196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/14/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
The accuracy of multi-frequency (MF) bioelectrical impedance analysis (BIA) to estimate low muscle mass in older hospitalized patients remains unclear. This study aimed to describe the ability of MF-BIA to identify low muscle mass as proposed by The Global Leadership Initiative on Malnutrition (GLIM) and The European Working Group on Sarcopenia in Older People (EWGSOP-2) and examine the association between muscle mass, dehydration, malnutrition, and poor appetite in older hospitalized patients. In this prospective exploratory cohort study, low muscle mass was estimated with MF-BIA against dual-energy X-ray absorptiometry (DXA) in 42 older hospitalized adults (≥65 years). The primary variable for muscle mass was appendicular skeletal muscle mass (ASM), and secondary variables were appendicular skeletal muscle mass index (ASMI) and fat-free mass index (FFMI). Cut-off values for low muscle mass were based on recommendations by GLIM and EWGSOP-2. MF-BIA was evaluated against DXA on the ability to estimate absolute values of muscle mass by mean bias, limits of agreement (LOA), and accuracy (5% and 10% levels). Agreement between MF-BIA and DXA to identify low muscle mass was evaluated with sensitivity, specificity, negative predictive value (NPV), and positive predictive value (PPV). The association between muscle mass, dehydration, malnutrition, and poor appetite was visually examined with boxplots. MF-BIA overestimated absolute values of ASM with a mean bias of 0.63 kg (CI: -0.20:1.46, LOA: -4.61:5.87). Agreement between MF-BIA and DXA measures of ASM showed a sensitivity of 86%, specificity of 94%, PPV of 75% and NPV of 97%. Boxplots indicate that ASM is lower in patients with malnutrition. This was not observed in patients with poor appetite. We observed a tendency toward higher ASM in patients with dehydration. Estimation of absolute ASM values with MF-BIA should be interpreted with caution, but MF-BIA might identify low muscle mass in older hospitalized patients.
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Affiliation(s)
- Rikke Lundsgaard Nielsen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Aino Leegaard Andersen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Thomas Kallemose
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
| | - Morten Damgaard
- Department of Clinical Physiology and Nuclear Medicine, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark
| | - Olivia Bornæs
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Helle Gybel Juul-Larsen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
| | - Louise Westberg Strejby Christensen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- The Capital Region Pharmacy, Marielundsvej 25, 2730 Herlev, Denmark
| | - Baker Nawfal Jawad
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Ove Andersen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
- Emergency Department, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark
| | - Henrik Højgaard Rasmussen
- Center for Nutrition and Intestinal Failure, Aalborg University Hospital, Aalborg University, 9220 Aalborg, Denmark;
- The Dietitians and Nutritional Research Unit, EATEN, Copenhagen University Hospital—Herlev and Gentofte, 2100 Copenhagen, Denmark
| | - Tina Munk
- The Dietitians and Nutritional Research Unit, EATEN, Copenhagen University Hospital—Herlev and Gentofte, 2100 Copenhagen, Denmark
| | - Trine Meldgaard Lund
- Department of Drug Design and Pharmacology, University of Copenhagen, 2100 Copenhagen, Denmark;
| | - Morten Baltzer Houlind
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- The Capital Region Pharmacy, Marielundsvej 25, 2730 Herlev, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, 2100 Copenhagen, Denmark;
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