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Chen FP, Lin YC, Lin YJ, Huang MH, Chen JF, Lai PL, Chang CW, Yin TC. Relationship Between Serum 25-Hydroxyvitamin D and Bone Mineral Density, Fracture Risk, and Bone Metabolism in Adults With Osteoporosis/Fractures. Endocr Pract 2024; 30:616-623. [PMID: 38692490 DOI: 10.1016/j.eprac.2024.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/17/2024] [Accepted: 04/19/2024] [Indexed: 05/03/2024]
Abstract
OBJECTIVE To evaluate the association of serum 25-hydroxyvitamin D (25(OH) D) levels with bone mineral density (BMD), fracture risk, and bone metabolism. METHODS This multicenter cross-sectional study recruited menopausal females and males greater than or equal to 50 year old with osteoporosis/fractures between September 2016 and September 2021. Assessment included clinical data, 25(OH)D, intact parathyroid hormone (iPTH), procollagen type 1 amino-terminal propeptide (P1NP), carboxy-terminal collagen crosslinks (CTX), lateral thoracolumbar spine x-rays, and BMD. RESULTS A total of 3003 individuals were stratified by 25(OH) D levels: 720 individuals (24%) <20 ng/mL, 1338 individuals (44.5%) 20 to 29 ng/mL, and 945 individuals (31.5%) ≥30 ng/mL. In unadjusted and multivariable models, BMD T-score, except spine, was significantly and positively associated with 25(OH)D levels. 25(OH) D levels were inversely associated with Fracture Risk Assessment Tool scores. Patients with 25(OH)D <20 ng/mL had significantly higher iPTH and bone turnover markers (P1NP and CTX) than patients with 25(OH)D ≧20 ng/mL in all models. When analyzing bone-related markers and BMD, total hip and femoral neck BMD T-scores were positively correlated with 25(OH)D concentrations and BMI but negatively correlated with iPTH, P1NP, CTX, and age. In multivariate models with all bone-related markers, only 25(OH)D levels were significantly associated with total hip and femoral neck BMD. CONCLUSION Vitamin D deficiency is significantly associated with decreased total hip and femoral neck BMD and increased fracture risk as assessed by Fracture Risk Assessment Tool. In those with osteoporosis/fractures, vitamin D is implicated in the causal relationship between bone remodeling and BMD. Assessing vitamin D status is imperative for those at risk for osteoporosis/fractures.
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Affiliation(s)
- Fang-Ping Chen
- Department of Medicine, College of Medicine, Chang Gung University, Taoyuan City, Taiwan; Osteoporosis Prevention and Treatment Center, Keelung Chang Gung Memorial Hospital, Keelung City, Taiwan; Department of Obstetrics and Gynecology, Keelung Chang Gung Memorial Hospital, Keelung City, Taiwan.
| | - Yu-Ching Lin
- Osteoporosis Prevention and Treatment Center, Keelung Chang Gung Memorial Hospital, Keelung City, Taiwan; Department of Radiology, Keelung Chang Gung Memorial Hospital, Keelung City, Taiwan
| | - Yu-Jr Lin
- Service Center for Health Information, Chang Gung University, Taoyuan City, Taiwan
| | - Mei-Huei Huang
- Department of Laboratory Medicine, Keelung Chang Gung Memorial Hospital, Keelung City, Taiwan
| | - Jung-Fu Chen
- Department of Medicine, College of Medicine, Chang Gung University, Taoyuan City, Taiwan; Department of Endocrinology and Metabolism, Osteoporosis Prevention and Treatment Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung City, Taiwan
| | - Po-Liang Lai
- Department of Medicine, College of Medicine, Chang Gung University, Taoyuan City, Taiwan; Department of Orthopaedic Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Chia-Wei Chang
- Osteoporosis Prevention and Treatment Center, Keelung Chang Gung Memorial Hospital, Keelung City, Taiwan; Department of Orthopaedic Surgery, Keelung Chang Gung Memorial Hospital, Keelung City, Taiwan
| | - Tsung-Cheng Yin
- Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung City, Taiwan
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Damani JJ, De Souza MJ, Strock NCA, Koltun KJ, Williams NI, Weaver C, Rogers CJ. Associations Between Inflammatory Mediators and Bone Outcomes in Postmenopausal Women: A Cross-Sectional Analysis of Baseline Data from the Prune Study. J Inflamm Res 2023; 16:639-663. [PMID: 36814438 PMCID: PMC9939790 DOI: 10.2147/jir.s397837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 01/27/2023] [Indexed: 02/17/2023] Open
Abstract
Purpose Hypoestrogenism triggers increased production of inflammatory mediators, which contribute to bone loss during postmenopausal osteoporosis. This study aimed to investigate the association between circulating inflammatory markers and bone outcomes in postmenopausal women. Materials and methods We conducted a cross-sectional, secondary analysis of baseline data from participants who completed a 12-month randomized controlled trial, The Prune Study (NCT02822378), which included healthy postmenopausal women (n=183, 55-75 years old) with bone mineral density (BMD) T-score between 0.0 and -3.0 at any site. BMD was measured using dual-energy X-ray absorptiometry, and bone geometry and strength were measured using peripheral quantitative computed tomography. Blood was collected at baseline to measure (1) serum biomarkers of bone turnover, including procollagen type 1 N-terminal propeptide (P1NP) and C-terminal telopeptide and (2) inflammatory markers, including serum high-sensitivity C-reactive protein (hs-CRP) and plasma pro-inflammatory cytokines, tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6, IL-8, and monocyte chemoattractant protein (MCP)-1, using enzyme-linked immunosorbent assay. The associations between bone and inflammatory outcomes at baseline were analyzed using correlation and regression analyses. Results Serum hs-CRP negatively correlated with P1NP (r=-0.197, p=0.042). Plasma IL-1β, IL-6, IL-8, and TNF-α negatively correlated with trabecular bone score at the lumbar spine (all p<0.05). In normal-weight women, plasma IL-1β, IL-6, and IL-8 negatively correlated (p<0.05) with trabecular and cortical bone area, content, and density at various sites in the tibia and radius. Serum hs-CRP positively predicted lumbar spine BMD (β=0.078, p=0.028). Plasma IL-6 negatively predicted BMD at the total body (β=-0.131, p=0.027) and lumbar spine (β=-0.151, p=0.036), whereas plasma TNF-α negatively predicted total hip BMD (β=-0.114, p=0.028). Conclusion At baseline, inflammatory markers were inversely associated with various estimates of bone density, geometry, and strength in postmenopausal women. These findings suggest that inflammatory markers may be an important mediator for postmenopausal bone loss.
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Affiliation(s)
- Janhavi J Damani
- The Intercollege Graduate Degree Program in Integrative and Biomedical Physiology, Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Mary Jane De Souza
- Department of Kinesiology, The Pennsylvania State University, University Park, PA, USA
| | - Nicole C A Strock
- Department of Kinesiology, The Pennsylvania State University, University Park, PA, USA
| | - Kristen J Koltun
- Department of Kinesiology, The Pennsylvania State University, University Park, PA, USA,Department of Sports Medicine and Nutrition, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nancy I Williams
- Department of Kinesiology, The Pennsylvania State University, University Park, PA, USA
| | - Connie Weaver
- Department of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA, USA
| | - Connie J Rogers
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA,Center for Molecular Immunology and Infectious Disease, The Pennsylvania State University, University Park, PA, USA,Department of Nutritional Sciences, University of Georgia, Athens, GA, USA,Correspondence: Connie J Rogers, 280 Dawson Hall, University of Georgia, Athens, GA, 30602, USA, Tel +1 706-542-4869, Email
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3
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Zhu K, Hunter M, Hui J, Murray K, James A, Lim EM, Cooke BR, Walsh JP. Longitudinal Stability of Vitamin D Status and Its Association With Bone Mineral Density in Middle-aged Australians. J Endocr Soc 2022; 7:bvac187. [PMID: 36578880 PMCID: PMC9780649 DOI: 10.1210/jendso/bvac187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Indexed: 12/12/2022] Open
Abstract
Context The skeletal effects of vitamin D remain controversial and it is uncertain whether variation in serum 25-hydroxyvitamin D (25OHD) levels over time influences bone mineral density (BMD). Objective We evaluated longitudinal stability of serum 25OHD and associations with changes in BMD in participants aged 46-70 years at baseline. Methods We studied 3698 Busselton Healthy Ageing Study participants (2040 female) with serum 25OHD and dual-energy x-ray absorptiometry (DXA) BMD assessments at baseline and at ∼6 years follow-up. Restricted cubic splines were used to evaluate associations between changes in 25OHD and BMD. Results Mean season-corrected serum 25OHD was 81.3 ± 22.7 and 78.8 ± 23.1 nmol/L at baseline and 6 years, respectively, and showed moderate correlation (intraclass correlation coefficient: 0.724). Significant predictors of change in 25OHD concentration (Δ25OHD) included baseline 25OHD, change in body mass index and vitamin D supplementation at follow-up. Greater decline in serum 25OHD over time was associated with significantly greater reduction in BMD at total hip and femoral neck, but the magnitude of the differences was small (estimated differences 0.004 g/cm2 and 0.005-0.007 g/cm2, respectively, for lowest quartile of Δ25OHD compared with higher quartiles, adjusted for sex, baseline BMD, 25OHD, and demographics). No significant associations between Δ25OHD and lumbar spine BMD were observed. Increase in 25OHD levels was not associated with change in BMD. Conclusions In this predominantly vitamin D-replete middle-aged cohort, serum 25OHD showed moderate longitudinal stability. Declining serum 25OHD over time was associated with greater reduction in BMD at the total hip and femoral neck.
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Affiliation(s)
- Kun Zhu
- Correspondence: Kun Zhu, PhD, Department of Endocrinology and Diabetes, Sir Charles Gardiner Hospital, Hospital Ave, Nedlands, WA 6009, Australia.
| | - Michael Hunter
- School of Population and Global Health, University of Western Australia, Crawley, WA 6009, Australia,Busselton Population Medical Research Institute, Busselton, WA 6280, Australia
| | - Jennie Hui
- School of Population and Global Health, University of Western Australia, Crawley, WA 6009, Australia,Busselton Population Medical Research Institute, Busselton, WA 6280, Australia,Department of Clinical Biochemistry, PathWest Laboratory Medicine, Queen Elizabeth II Medical Centre, Nedlands, WA 6009, Australia
| | - Kevin Murray
- School of Population and Global Health, University of Western Australia, Crawley, WA 6009, Australia
| | - Alan James
- Medical School, University of Western Australia, Crawley, WA 6009, Australia,Department of Pulmonary Physiology and Sleep Medicine, Sir Charles Gairdner Hospital, Nedlands, WA 6009, Australia
| | - Ee Mun Lim
- Department of Endocrinology and Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA 6009, Australia,Department of Clinical Biochemistry, PathWest Laboratory Medicine, Queen Elizabeth II Medical Centre, Nedlands, WA 6009, Australia
| | - Brian R Cooke
- Department of Clinical Biochemistry, PathWest Laboratory Medicine, Fiona Stanley Hospital, Murdoch, WA 6150, Australia
| | - John P Walsh
- Department of Endocrinology and Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA 6009, Australia,Medical School, University of Western Australia, Crawley, WA 6009, Australia
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Is there an association between proton pump inhibitors and radiomorphometric parameters of the mandible? A preliminary study. Oral Radiol 2022; 38:586-593. [PMID: 35119594 DOI: 10.1007/s11282-022-00593-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 01/19/2022] [Indexed: 10/19/2022]
Abstract
OBJECTIVES This study aimed to analyze the association between the use of proton pump inhibitors (PPIs) and radiomorphometric parameters of trabecular and cortical bone of the mandible. METHODS A total of 64 patients (37 females and 27 males) using PPIs (PPI group) and 64 age- and gender-matched healthy individuals (control group) were included in this study. The analyzed radiomorphometric parameters were fractal dimension (FD), mandibular cortical width (MCW), and mandibular cortical index (MCI). RESULTS There were no significant differences in the mean FDs of selected regions and MCW between the two groups (p > 0.05). The mean MCW was 1.95 mm in the PPI group and 2 mm in the control group. The MCI C3 category, which represents the most porous state of the mandibular cortex, was 2.5 times more frequent in the PPI group (p = 0.002). PPI use duration did not correlate with FD or MCW. No significant differences were observed in FD, MCW, and MCI distribution according to PPI type (p > 0.05). CONCLUSIONS Although not all radiomorphometric parameters indicated osteoporotic effects of PPI use, the mandibular cortex of PPI users is prone to erosive defects.
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Aleraij S, Alhowti S, Ferwana M, Abdulmajeed I. Effect of proton pump inhibitors on bone mineral density: A systematic review and meta-analysis of observational studies. Bone Rep 2020; 13:100732. [PMID: 33299906 PMCID: PMC7701953 DOI: 10.1016/j.bonr.2020.100732] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 09/10/2020] [Accepted: 11/03/2020] [Indexed: 02/07/2023] Open
Abstract
Despite the fact that proton pump inhibitors (PPIs) are one of the most prescribed medications, several epidemiological studies have reported many adverse effects related to their long-term usage. Nevertheless, there were inconsistent findings in the literature with regard to PPI use and bone mineral density (BMD) change. The aim of this systematic review and meta-analysis is to evaluate the association between the use of PPIs and change in BMD. The PubMed/MEDLINE, EMBASE, Cochrane and CINAHL databases were searched up to March 2019. Ten studies fulfilled the eligibility criteria (4761 cases and 30,809 controls), from which the mean difference and mean annualized percent change in BMD were pooled using RevMan 5.3.5 The results showed no statistically significant association between PPI users and non-users in mean annualized percent change in BMD (0.06; 95% CI -0.07, 0.18) with moderate heterogeneity (I2: 63%). There was a statistically significant reduction in the mean BMD difference among PPI users (-0.03; 95% CI -0.04, -0.01) with no substantial heterogeneity (I2: 26%). This meta-analysis reported inconsistent results regarding the use of PPIs and BMD loss. Thus, the effect of PPIs on BMD needs to be elucidated by other studies, and healthcare providers should prescribe PPIs with caution considering their unfavorable consequences on bone health.
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Affiliation(s)
- Sara Aleraij
- Department of Family Medicine and PHC, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia
| | - Sultan Alhowti
- Department of Family Medicine and PHC, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia
| | - Mazen Ferwana
- Department of Family Medicine and PHC, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia
- National and Gulf Center for Evidence Based Health Practices, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Imad Abdulmajeed
- Department of Family Medicine and PHC, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia
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Zhu K, Lewis JR, Sim M, Prince RL. Low Vitamin D Status Is Associated With Impaired Bone Quality and Increased Risk of Fracture-Related Hospitalization in Older Australian Women. J Bone Miner Res 2019; 34:2019-2027. [PMID: 31233633 DOI: 10.1002/jbmr.3818] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 06/05/2019] [Accepted: 06/11/2019] [Indexed: 11/07/2022]
Abstract
The vitamin D debate relates in part to ideal public health population levels of circulating 25-hydroxyvitamin D (25OHD) to maintain bone structure and reduce fracture. In a secondary analysis of 1348 women aged 70 to 85 years at baseline (1998) from the Perth Longitudinal Study of Aging in Women (a 5-year calcium supplementation trial followed by two 5-year extensions), we examined the dose-response relations of baseline plasma 25OHD with hip DXA BMD at year 1, lumbar spine BMD, and trabecular bone score (TBS) at year 5, and fracture-related hospitalizations over 14.5 years obtained by health record linkage. Mean baseline plasma 25OHD was 66.9 ± 28.2 nmol/L and 28.5%, 36.4%, and 35.1% of women had levels <50, 50 to 74.9, and ≥75 nmol/L, respectively. Generalized additive models showed that total hip and femoral neck BMD and TBS, but not spine BMD, were higher with increasing plasma 25OHD up to 100 nmol/L. Compared with those with 25OHD <50 nmol/L, women with 25OHD ≥75 nmol/L had significantly higher total hip and femoral neck BMD at year 1 (3.3% to 3.9%) and TBS at year 5 (2.0%), all P < 0.05. During the follow-up, 27.6% of women experienced any fracture-related hospitalization and 10.6% hip fracture-related hospitalization. Penalized spline regression models showed a decrease in risk with increased 25OHD levels up to 65 nmol/L and 75 nmol/L for hip fracture and any fracture-related hospitalization, respectively. Cox regression grouped analyses showed that compared with women with 25OHD <50 nmol/L, those with 25OHD levels 50 to 74.9 and ≥75 nmol/L had significantly lower risk for hip fracture [HR 0.60 (95% CI, 0.40 to 0.91) and 0.61 (95% CI, 0.40 to 0.92), respectively], and any fracture-related hospitalization [HR 0.77 (95% CI, 0.59 to 0.99) and 0.70 (95% CI, 0.54 to 0.91), respectively]. In older white women, 25OHD levels >50 nmol/L are a minimum public health target and 25OHD levels beyond 75 nmol/L may not have additional benefit to reduce fracture risk. © 2019 American Society for Bone and Mineral Research.
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Affiliation(s)
- Kun Zhu
- Department of Endocrinology and Diabetes, Sir Charles Gairdner Hospital, Perth, WA, Australia.,Medical School, University of Western Australia, Perth, WA, Australia
| | - Joshua R Lewis
- Medical School, University of Western Australia, Perth, WA, Australia.,School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia.,Centre for Kidney Research, Children's Hospital at Westmead, School of Public Health, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Marc Sim
- Medical School, University of Western Australia, Perth, WA, Australia.,School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
| | - Richard L Prince
- Department of Endocrinology and Diabetes, Sir Charles Gairdner Hospital, Perth, WA, Australia.,Medical School, University of Western Australia, Perth, WA, Australia
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Piot A, Chapurlat RD, Claustrat B, Szulc P. Relationship Between Sex Steroids and Deterioration of Bone Microarchitecture in Older Men: The Prospective STRAMBO Study. J Bone Miner Res 2019; 34:1562-1573. [PMID: 30995347 DOI: 10.1002/jbmr.3746] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 02/28/2019] [Accepted: 04/14/2019] [Indexed: 01/07/2023]
Abstract
In older men, low estrogen levels are associated with poor bone microarchitecture. Data on androgens are discordant. We studied the link between baseline sex steroid levels (total 17β -estradiol [17βE2], total testosterone [tT], calculated bioavailable 17βE2 [bio-17βE2], and apparent free testosterone concentration [AFTC]) and bone microarchitecture deterioration assessed prospectively in a 820 older men followed for 8 years. Bone microarchitecture was assessed by HR-pQCT at baseline, then after 4 and 8 years. At both the skeletal sites, the bone microarchitecture deterioration rate did not correlate with serum levels of tT and 17βE2. At the distal radius, cortical area (Ct.Ar) decreased more rapidly in the lowest versus the highest AFTC quartile. At the distal tibia, cortical thickness (Ct.Th) decreased and trabecular area (Tb.Ar) increased more rapidly in the highest versus the lowest AFTC quartile. At the tibia, bone mineral content (BMC), total volumetric bone mineral density (Tt.vBMD), Ct.Th, and Ct.Ar decreased, whereas Tb.Ar increased faster in the lowest versus the highest bio-17βE2 quartile. In men who had both AFTC and bio-17βE2 in the lowest quartile (high-risk group), distal radius cortical vBMD (Ct.vBMD) decreased more rapidly compared with men who had both hormones in the three upper quartiles (reference group). At the distal tibia, Tt.vBMD, Ct.Th, Ct.Ar, and Ct.vBMD decreased, whereas Tb.Ar increased more rapidly in the high-risk group versus the reference group. In men receiving androgen deprivation therapy (ADT) for prostate cancer, BMC, Tt.vBMD, Ct.Th, Ct.Ar, and Ct.vBMD decreased, whereas Tb.Ar increased more rapidly than in men not receiving ADT at both the skeletal sites. Thus, in older men followed up prospectively, low levels of bio-17βE2, and to a smaller extent AFTC, are associated with accelerated cortical bone deterioration. Cortical bone deterioration was strongly accelerated in men receiving ADT who had very low levels of all sex steroids. © 2019 American Society for Bone and Mineral Research.
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Affiliation(s)
- Anne Piot
- INSERM UMR 1033, University of Lyon, Hôpital Edouard Herriot, Lyon, France
| | - Roland D Chapurlat
- INSERM UMR 1033, University of Lyon, Hôpital Edouard Herriot, Lyon, France
| | | | - Pawel Szulc
- INSERM UMR 1033, University of Lyon, Hôpital Edouard Herriot, Lyon, France
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Manios Y, Moschonis G, Lambrinou CP, Tsoutsoulopoulou K, Binou P, Karachaliou A, Breidenassel C, Gonzalez-Gross M, Kiely M, Cashman KD. A systematic review of vitamin D status in southern European countries. Eur J Nutr 2017; 57:2001-2036. [PMID: 29090332 DOI: 10.1007/s00394-017-1564-2] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 10/07/2017] [Indexed: 12/16/2022]
Abstract
PURPOSE Despite an acknowledged dearth of data on serum 25-hydroxyvitamin D (25(OH)D) concentrations from Southern European countries, inter-country comparison is hampered by inconsistent data reporting. The purpose of the current study was to conduct a systematic literature review of available data on serum 25(OH)D concentrations and estimate vitamin D status in Southern European and Eastern Mediterranean countries, both at a population level and within key population subgroups, stratified by age, sex, season and country. METHODS A systematic review of the literature was conducted to identify and retrieve scientific articles reporting data on serum 25(OH)D concentration and/or vitamin D status following standard procedures. RESULTS Data were extracted from 107 studies, stratified by sex and age group, representing 630,093 individuals. More than one-third of the studies reported mean 25(OH)D concentrations below 50 nmol/L and ~ 10% reported mean serum 25(OH)D concentrations below 25 nmol/L. Overall, females, neonates/ infants and adolescents had the higher prevalence of poor vitamin D status. As expected, there was considerable variability between studies. Specifically, mean 25(OH)D ranged from 6.0 (in Italian centenarians) to 158 nmol/L (in elderly Turkish men); the prevalence of serum 25(OH)D < 50 nmol/L ranged from 6.8 to 97.9% (in Italian neonates). CONCLUSIONS Contrary to expectations, there was a high prevalence of low vitamin D status in the Southern Europe and the Eastern Mediterranean regions, despite abundant sunshine. These data further emphasize the need for strategies, such as fortification of foods with vitamin D and/or vitamin D supplementation, which will be tailored to the needs of specific population groups with higher risk of insufficiency or deficiency, to efficiently tackle the pandemic of hypovitaminosis D in Europe.
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Affiliation(s)
- Yannis Manios
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 70 El Venizelou Avenue, Kallithea, 17671, Athens, Greece.
| | - George Moschonis
- Department of Rehabilitation, Nutrition and Sport, College of Science, Health and Engineering, La Trobe University, Bundoora, 3086, Melbourne, Australia
| | - Christina-Paulina Lambrinou
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 70 El Venizelou Avenue, Kallithea, 17671, Athens, Greece
| | - Konstantina Tsoutsoulopoulou
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 70 El Venizelou Avenue, Kallithea, 17671, Athens, Greece
| | - Panagiota Binou
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 70 El Venizelou Avenue, Kallithea, 17671, Athens, Greece
| | - Alexandra Karachaliou
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 70 El Venizelou Avenue, Kallithea, 17671, Athens, Greece
| | - Christina Breidenassel
- ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, Madrid, Spain
| | - Marcela Gonzalez-Gross
- ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, Madrid, Spain
| | - Mairead Kiely
- Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences, University College Cork, Cork, Ireland.,The Irish Centre for Fetal and Neonatal Translational Research (INFANT), University College Cork, Cork, Ireland
| | - Kevin D Cashman
- Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences, University College Cork, Cork, Ireland.,Department of Medicine, University College Cork, Cork, Ireland
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Karlsson MK, Ahlborg HG, Svejme O, Nilsson JÅ, Rosengren BE. An Increase in Forearm Cortical Bone Size After Menopause May Influence the Estimated Bone Mineral Loss--A 28-Year Prospective Observational Study. J Clin Densitom 2016; 19:174-9. [PMID: 25708121 DOI: 10.1016/j.jocd.2015.01.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 01/16/2015] [Indexed: 11/30/2022]
Abstract
Areal bone mineral density (aBMD) is the most common estimate of bone mass, incorporated in the World Health Organization definition of osteoporosis. However, aBMD depends on not only the amount of mineral but also the bone size. The estimated postmenopausal decline in aBMD could because of this be influenced by changes in bone size.We measured bone mineral content (BMC; mg), aBMD (mg/cm2), and bone width (mm) by single-photon absorptiometry at the cortical site of the forearm in a population-based sample of 105 Caucasian women. We conducted 12 measurements during a 28-yr period from mean 5 yr (range: 2-9) before menopause to mean 24 yr (range: 18-28) after menopause. We calculated individual slopes for changes in the periods before menopause, 0-<8, 8-<16, and 16-28 yr after menopause. Data are presented as means with 95% confidence intervals. The annual BMC changes in the 4 periods were -1.4% (-0.1, -2.6), -1.1% (-0.9, -1.4), -1.2% (-0.9, -1.6), and -1.1% (-0.8, -1.4) and the annual increase in bone width 0.4% (-1.2, 1.9), 0.7% (0.5, 0.9), 0.1% (-0.2, 0.4), and 0.1% (-0.2, 0.4). BMC loss was similar in all periods, whereas the increase in bone width was higher in the first postmenopausal period than in the second (p=0.003) and the third (p=0.01) postmenopausal periods. Menopause is followed by a transient increase in forearm bone size that will influence the by aBMD estimated cortical loss in bone minerals.
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Affiliation(s)
- Magnus K Karlsson
- Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences, Lund University, Malmö, Sweden; Department of Orthopaedics, Skane University Hospital, Malmö, Sweden.
| | - Henrik G Ahlborg
- Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences, Lund University, Malmö, Sweden; Department of Orthopaedics, Skane University Hospital, Malmö, Sweden
| | - Ola Svejme
- Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences, Lund University, Malmö, Sweden; Department of Orthopaedics, Skane University Hospital, Malmö, Sweden
| | - Jan-Åke Nilsson
- Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences, Lund University, Malmö, Sweden; Department of Orthopaedics, Skane University Hospital, Malmö, Sweden
| | - Björn E Rosengren
- Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences, Lund University, Malmö, Sweden; Department of Orthopaedics, Skane University Hospital, Malmö, Sweden
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Martin EN, Haney EM, Shannon J, Cauley JA, Ensrud KE, Keaveny TM, Zmuda JM, Orwoll ES, Harrison SL, Marshall LM. Femoral volumetric bone density, geometry, and strength in relation to 25-hydroxy vitamin D in older men. J Bone Miner Res 2015; 30:562-9. [PMID: 25418140 PMCID: PMC4333026 DOI: 10.1002/jbmr.2360] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 08/30/2014] [Accepted: 09/06/2014] [Indexed: 01/31/2023]
Abstract
Low serum 25-hydroxy vitamin D (25(OH)D) concentrations are associated with increased hip fracture risk and decreased femoral areal bone mineral density (BMD) among elderly men. Structural dimensions of the proximal femur and volumetric BMD in cortical and trabecular compartments are also associated with hip fracture risk. However, associations of volumetric BMD or structural dimensions with serum 25(OH)D concentrations among older men remain unclear. In a random sample of 1608 men aged ≥65 years from the Osteoporotic Fractures in Men Study (MrOS), baseline serum 25(OH)D concentrations were measured by liquid chromatography/mass spectrometry assays. Femoral neck geometry and volumetric BMD derived from quantitative computed tomography included integral, cortical, and trabecular volumetric BMD; cross-sectional area; integral and cortical volume; and cortical volume as a percent of integral volume. We studied 888 men with vitamin D, parathyroid hormone (PTH), femoral neck geometry, and BMD measures. Whole-bone femoral strength and load-strength ratio from finite element (FE) analysis were also available for 356 men from this sample. Multivariable linear regression was used to estimate least square means of each femoral measure within quartiles of 25(OH)D adjusted for age, race, body mass index, height, latitude, and season of blood draw. Tests of linear trend in the means were performed across increasing quartile of serum 25(OH)D levels. Mean cortical volume (p trend = 0.006) and cortical volume as a percent of integral volume (p trend < 0.001) increased across increasing quartile of 25(OH)D level. However, overall femoral neck size (area and integral volume) did not vary by 25(OH)D level. Femoral neck volumetric BMD measures increased in a graded manner with higher 25(OH)D levels (p trend < 0.001). Femoral strength, but not load-strength ratio, increased with increasing 25(OH)D. Adjustment for PTH did not materially change these associations. We conclude that in older men, higher levels of endogenous 25(OH)D may increase whole-bone strength by increasing femoral volumetric BMD and cortical volume.
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Affiliation(s)
- Elizabeth N Martin
- School of Medicine, Oregon Health & Science University, Portland, OR, USA
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11
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Ferrucci L, Baroni M, Ranchelli A, Lauretani F, Maggio M, Mecocci P, Ruggiero C. Interaction between bone and muscle in older persons with mobility limitations. Curr Pharm Des 2015; 20:3178-97. [PMID: 24050165 DOI: 10.2174/13816128113196660690] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Accepted: 09/13/2013] [Indexed: 12/18/2022]
Abstract
Aging is associated with a progressive loss of bone-muscle mass and strength. When the decline in mass and strength reaches critical thresholds associated with adverse health outcomes, they are operationally considered geriatric conditions and named, respectively, osteoporosis and sarcopenia. Osteoporosis and sarcopenia share many of the same risk factors and both directly or indirectly cause higher risk of mobility limitations, falls, fractures and disability in activities of daily living. This is not surprising since bones adapt their morphology and strength to the long-term loads exerted by muscle during anti-gravitational and physical activities. Non-mechanical systemic and local factors also modulate the mechanostat effect of muscle on bone by affecting the bidirectional osteocyte-muscle crosstalk, but the specific pathways that regulate these homeostatic mechanisms are not fully understood. More research is required to reach a consensus on cut points in bone and muscle parameters that identify individuals at high risk for adverse health outcomes, including falls, fractures and disability. A better understanding of the muscle-bone physiological interaction may help to develop preventive strategies that reduce the burden of musculoskeletal diseases, the consequent disability in older persons and to limit the financial burden associated with such conditions. In this review, we summarize age-related bone-muscle changes focusing on the biomechanical and homeostatic mechanisms that explain bone-muscle interaction and we speculate about possible pathological events that occur when these mechanisms become impaired. We also report some recent definitions of osteoporosis and sarcopenia that have emerged in the literature and their implications in clinical practice. Finally, we outline the current evidence for the efficacy of available anti-osteoporotic and proposed antisarcopenic interventions in older persons.
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Affiliation(s)
| | | | | | | | | | | | - C Ruggiero
- Institute of Gerontology and Geriatrics, Department of Medicine, University of Perugia, S. Andrea delle Fratte, 06100, Perugia, Italy.
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Argoud T, Boutroy S, Claustrat B, Chapurlat R, Szulc P. Association between sex steroid levels and bone microarchitecture in men: the STRAMBO study. J Clin Endocrinol Metab 2014; 99:1400-10. [PMID: 24471567 DOI: 10.1210/jc.2013-3233] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
CONTEXT Data on the association between bone microarchitecture assessed by high-resolution peripheral quantitative computed tomography (HR-pQCT) and sex steroids in men are scarce. OBJECTIVE Our aim was to determine the association between serum sex steroids and bone microarchitecture assessed by HR-pQCT in men. DESIGN This is a cross-sectional analysis in the Structure of the Aging Men's Bones cohort. SETTING The cohort was recruited from the general population. PARTICIPANTS We examined 1169 male volunteers aged 20-87 years. No specific exclusion criteria were used. INTERVENTIONS We collected blood samples and performed HR-pQCT at the distal radius and distal tibia. MAIN OUTCOME MEASURES We tested the hypothesis that low sex steroid levels are associated with poor bone microarchitecture in men. RESULTS Men aged younger than 65 years with bioavailable 17β-estradiol (bio-17β-E2) levels of14.4 pmol/L or less had higher cross-sectional and trabecular areas vs men with bio-17β-E2 greater than 14.4 pmol/L. In men aged 65 years or older, the higher the apparent free T concentration (AFTC), the higher was the distal tibia cortical density (P < .05). Cortical density and thickness as well as total and trabecular density increased with higher bio-17β-E2 levels. Similar results were found after adjustment for limb length and body height. Men with low AFTC and low bio-17β-E2 levels had lower cortical density and thickness at both skeletal sites compared with the reference group. In men with AFTC less than 272 pmol/L, those with low bio-17β-E2 less than 25 pmol/L had lower cortical density and thickness at both skeletal sites vs men having higher bio-17β-E2 levels. CONCLUSION In men aged 65 years and older, low bio-17β-E2 levels were associated with poor cortical bone status and, to smaller extent, lower trabecular density.
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Affiliation(s)
- Thomas Argoud
- INSERM Unité Mixte de Recherche 1033 (T.A., S.B., R.C., P.S.), Université de Lyon, Hôpital Edouard Herriot, 69437 Lyon, France; and INSERM Unité 846 (B.C.), Université de Lyon, Laboratoire de Hormonologie, Hôpital Cardiologique, 69500 Lyon-Bron, France
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13
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Reece AS. Absolute and age-dependent elevations of serum calcium and phosphate and their products in clinical opiate dependence. JOURNAL OF SUBSTANCE USE 2014. [DOI: 10.3109/14659891.2012.754507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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14
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Maggio M, Lauretani F, Ceda GP, De Vita F, Bondi G, Corsonello A, Cattabiani C, Lattanzio F, Ruggiero C, Nouvenne A, Meschi T, Bandinelli S, Ferrucci L. Use of proton pump inhibitors is associated with lower trabecular bone density in older individuals. Bone 2013; 57:437-42. [PMID: 24076021 PMCID: PMC6125777 DOI: 10.1016/j.bone.2013.09.014] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Revised: 09/21/2013] [Accepted: 09/21/2013] [Indexed: 01/11/2023]
Abstract
Proton pump inhibitors (PPIs) are highly effective in the treatment of upper gastrointestinal acid-related conditions and are fast becoming one of the most frequently prescribed treatments in adult or older persons. Recent data show that long-term use of PPIs in older subjects is associated with important undesirable effects, including a higher risk of osteoporotic fractures. The mechanisms of this association are unclear and the relationship between the use of PPIs and parameters of bone mass and geometry has never been fully explored. This study investigates the relationship between the chronic use of PPIs and the parameters of bone mass (cortical and trabecular bone mineral density - vBMDc and vBMDt) and bone geometry (cortical and trabecular cross sectional area - tCSA and cCSA) in older individuals. The study population consisted of 1038 subjects (452 men and 586 women) 65years or older, selected from the InCHIANTI study, with complete information on computerized tomography performed at tibial level (pQCT) and on medications. Participants were classified as PPI users and nonusers based on self-report of PPI use over the last 15days, with PPI users (36 subjects, 14 men and 22 women) making up 3.4% of the study population (mean age 75.7±7.4years). The relationship between use of PPIs and pQCT bone parameters was tested by multivariate linear regression analysis adjusted for age, sex and several clinical factors and/or statistically confounding variables identified by partial correlation coefficient and Spearman partial rank order correlation coefficients, as appropriate (age, sex, BMI, caloric intake, IGF-1, IL-6, calcium, estradiol, bioavailable testosterone, vitamin D, parathyroid hormone, cross-sectional muscle area, and level of physical activity). PPI users showed age- and sex-adjusted lower vBMDt than nonusers (180.5±54.8 vs. 207.9±59.4, p=0.001). The inverse association between PPI use and vBMDt remained almost unchanged after adjustment for multiple confounders. There was no statistically significant difference in vBMDc, tCSA and cCSA between PPI users and nonusers. In community dwelling older persons, the use of PPIs is inversely associated with vBMDt, an early marker of the osteoporotic process. These findings suggest that PPI use might increase the risk of fractures in older subjects through its detrimental effects on trabecular bone.
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Affiliation(s)
- Marcello Maggio
- Department of Clinical and Experimental Medicine, Section of Geriatrics, University of Parma, Via Gramsci, 14, 43126 Parma (PR), Italy; Geriatric Rehabilitation Department, University Hospital of Parma, Via Gramsci, 14, 43126 Parma (PR), Italy.
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Abstract
Vitamin D deficiency is associated with osteoporosis and is thought to increase the risk of cancer and CVD. Despite these numerous potential health effects, data on vitamin D status at the population level and within key subgroups are limited. The aims of the present study were to examine patterns of 25-hydroxyvitamin D (25(OH)D) levels worldwide and to assess differences by age, sex and region. In a systematic literature review using the Medline and EMBASE databases, we identified 195 studies conducted in forty-four countries involving more than 168 000 participants. Mean population-level 25(OH)D values varied considerably across the studies (range 4·9-136·2 nmol/l), with 37·3 % of the studies reporting mean values below 50 nmol/l. The highest 25(OH)D values were observed in North America. Although age-related differences were observed in the Asia/Pacific and Middle East/Africa regions, they were not observed elsewhere and sex-related differences were not observed in any region. Substantial heterogeneity between the studies precluded drawing conclusions on overall vitamin D status at the population level. Exploratory analyses, however, suggested that newborns and institutionalised elderly from several regions worldwide appeared to be at a generally higher risk of exhibiting lower 25(OH)D values. Substantial details on worldwide patterns of vitamin D status at the population level and within key subgroups are needed to inform public health policy development to reduce risk for potential health consequences of an inadequate vitamin D status.
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16
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Abstract
Results from previous prospective studies linking serum 25-hydroxyvitamin D (25OHD) with fracture risk have been inconsistent. The present study examined the relationship between serum 25OHD and risk of incident major osteoporotic fracture (hip, spine, radius, and humerus) in older U.S. adults. The study used a pooled cohort of 4749 men and women ages 65 years and older from the third National Health and Nutrition Examination Survey (NHANES III, 1988-1994) and NHANES 2000-2004. Incident fractures were identified using linked mortality and Medicare records that were obtained for participants from both surveys. Serum 25OHD values were measured by radioimmunoassay in both surveys. Cox proportional hazards models were used to estimate the relative risk (RR) of fracture by serum 25OHD level. There were 525 incident major osteoporotic fractures (287 hip fractures) in the sample. Serum 25OHD was a significant linear predictor of major osteoporotic fracture and significant quadratic predictor of hip fracture in the total sample and among those with less than 10 years of follow-up, but it was not related to risk of either fracture type among those with ≥ 10 years of follow-up. Major osteoporotic fracture risk was increased by 26% to 27% for each SD decrease in serum 25OHD among those with less than 10 years of follow-up. Serum 25OHD was significantly related to risk of major osteoporotic fractures as a group and to hip fracture alone in this cohort of older U.S. adults from NHANES III and NHANES 2000-2004. However, the predictive utility of serum 25OHD diminished after 10 years. In addition, the relationship appeared to be linear when major osteoporotic fracture risk was considered but quadratic when hip fracture risk was assessed.
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Affiliation(s)
- Anne C Looker
- National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, MD 20782, USA.
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17
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Mosele M, Coin A, Manzato E, Sarti S, Berton L, Bolzetta F, Imoscopi A, Rinaldi G, Perissinotto E, Sergi G. Association between serum 25-hydroxyvitamin d levels, bone geometry, and bone mineral density in healthy older adults. J Gerontol A Biol Sci Med Sci 2013; 68:992-8. [PMID: 23459208 DOI: 10.1093/gerona/glt008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
PURPOSE The association between serum 25-hydroxyvitamin D values and cortical/trabecular bone parameters in older adults has been incompletely explored. This study was designed to investigate the relationship between serum 25-hydroxyvitamin D levels and bone parameters for the tibia and radius using peripheral quantitative computed tomography in free-living healthy older adults. METHODS The study involved 134 older adults attending a twice-weekly low-intensity fitness program. In addition to clinical history and serum parameters, we assessed fat-free mass using dual-energy X-ray absorptiometry, total bone and cortical bone cross-sectional areas, and trabecular and cortical bone mineral density for the tibia and radius by peripheral quantitative computed tomography. RESULTS After applying multivariate linear regression models, adjusting for sex, age, body mass index, fat mass and fat-free mass, and creatinine, the association between 25-hydroxyvitamin D and bone parameters was significant for total bone and cortical bone cross-sectional areas in the radius (partial R (2) = 0.05 and 0.09, respectively) and for trabecular bone mineral density and cortical bone cross-sectional area in the tibia (partial R (2) = 0.11 and 0.02, respectively). CONCLUSION These findings support the idea that serum 25-hydroxyvitamin D levels and bone parameters are linked in older adults. Longitudinal studies are needed to establish whether vitamin D levels over time are associated with changes in these parameters.
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Affiliation(s)
- Marco Mosele
- Department of Medicine, DIMED, Geriatrics Section, University of Padova, Italy
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18
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Samaras N, Samaras D, Lang PO, Forster A, Pichard C, Frangos E, Meyer P. A view of geriatrics through hormones. What is the relation between andropause and well-known geriatric syndromes? Maturitas 2013; 74:213-9. [DOI: 10.1016/j.maturitas.2012.11.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2012] [Revised: 10/24/2012] [Accepted: 11/21/2012] [Indexed: 11/29/2022]
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Wahl DA, Cooper C, Ebeling PR, Eggersdorfer M, Hilger J, Hoffmann K, Josse R, Kanis JA, Mithal A, Pierroz DD, Stenmark J, Stöcklin E, Dawson-Hughes B. A global representation of vitamin D status in healthy populations. Arch Osteoporos 2012; 7:155-72. [PMID: 23225293 DOI: 10.1007/s11657-012-0093-0] [Citation(s) in RCA: 220] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Accepted: 08/06/2012] [Indexed: 02/06/2023]
Abstract
PURPOSE This paper visualizes the available data on vitamin D status on a global map, examines the existing heterogeneities in vitamin D status and identifies research gaps. METHODS A graphical illustration of global vitamin D status was developed based on a systematic review of the worldwide literature published between 1990 and 2011. Studies were eligible if they included samples of randomly selected males and females from the general population and assessed circulating 25-hydroxyvitamin D [25(OH)D] levels. Two different age categories were selected: children and adolescents (1-18 years) and adults (>18 years). Studies were chosen to represent a country based on a hierarchical set of criteria. RESULTS In total, 200 studies from 46 countries met the inclusion criteria, most coming from Europe. Forty-two of these studies (21 %) were classified as representative. In children, gaps in data were identified in large parts of Africa, Central and South America, Europe, and most of the Asia/Pacific region. In adults, there was lack of information in Central America, much of South America and Africa. Large regions were identified for which the mean 25(OH)D levels were below 50 nmol/L. CONCLUSIONS This study provides an overview of 25(OH)D levels around the globe. It reveals large gaps in information in children and adolescents and smaller but important gaps in adults. In view of the importance of vitamin D to musculoskeletal growth, development, and preservation, and of its potential importance in other tissues, we strongly encourage new research to clearly define 25(OH)D status around the world.
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Affiliation(s)
- D A Wahl
- International Osteoporosis Foundation, Nyon, Switzerland
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20
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Barbour KE, Houston DK, Cummings SR, Boudreau R, Prasad T, Sheu Y, Bauer DC, Tooze JA, Kritchevsky SB, Tylavsky FA, Harris TB, Cauley JA. Calciotropic hormones and the risk of hip and nonspine fractures in older adults: the Health ABC Study. J Bone Miner Res 2012; 27:1177-85. [PMID: 22228250 PMCID: PMC3541828 DOI: 10.1002/jbmr.1545] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The effects of vitamin D and parathyroid hormone (PTH) levels on incident fracture remain uncertain. To test the hypothesis that increasing serum 25-hydroxyvitamin D [25(OH)D] and decreasing PTH levels are associated with decreased risk of hip and any nonspine fracture, we conducted a prospective cohort study among 2614 community-dwelling white and black participants, aged ≥70 years, from the Health, Aging and Body Composition (Health ABC) Study. Serum and plasma samples were drawn at year 2, which formed the baseline for this analysis. Serum 25(OH)D and intact PTH (1-84) were measured using radioimmunoassay with DiaSorin reagents and EDTA plasma with a two-site immunoradiometric assay kit, respectively. Incident fractures (hip and any nonspine) were assessed after year 2, every 6 months, by self-report and validated by radiology reports. The median (interquartile range) follow-up times for hip and any nonspine fractures were 6.4 (6.1-6.5) and 6.4 (5.5-6.5) years, respectively. Cox proportional hazards regression was used to estimate the hazard ratios (HR) with 95% confidence intervals (CI) for fracture. There were 84 hip and 247 nonspine fractures that occurred over the follow-up period. The multivariable adjusted HRs (95% CIs) of hip fracture for participants in the lowest (≤17.78 ng/mL), second (17.79 to 24.36 ng/mL), and third quartiles (24.37 to 31.94 ng/mL) of 25(OH)D were 1.92 (0.97 to 3.83), 0.75 (0.32 to 1.72) and 1.86 (1.00 to 3.45), respectively, compared with participants in the highest 25(OH)D quartile (>31.94 ng/mL) (p trend = 0.217). Additional adjustment for IL-6 (p = 0.107), PTH (p = 0.124), and hip areal bone mineral density (p = 0.137) attenuated HRs of hip fracture in the lowest quartile by 16.3%, 17.4%, and 26.1%, respectively. There was no evidence of an association between 25(OH)D and any nonspine fractures, or between PTH and hip or any nonspine fractures. We found limited evidence to support an association between calciotropic hormones and hip and nonspine fractures in older men and women.
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Affiliation(s)
- Kamil E. Barbour
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Denise K. Houston
- Sticht Center on Aging, Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston Salem, NC
| | - Steven R. Cummings
- San Francisco Coordinating Center, California Pacific Medical Center Research Institute and the University of California, San Francisco, CA, USA
| | - Robert Boudreau
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Tanushree Prasad
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Yahtyng Sheu
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Douglas C. Bauer
- Departments of Medicine and Epidemiology & Biostatistics, University of California, San Francisco, San Francisco, CA, USA
| | - Janet A. Tooze
- Sticht Center on Aging, Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston Salem, NC
| | - Stephen B. Kritchevsky
- Sticht Center on Aging, Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston Salem, NC
| | - Frances A. Tylavsky
- Department of Preventive Medicine, University of Tennessee, Health Science Center, Memphis, Tennessee, USA
| | - Tamara B. Harris
- Laboratory of Epidemiology, Demography, and Biometry, National Institute of Aging, Bethesda, Maryland
| | - Jane A. Cauley
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Barbour KE, Zmuda JM, Horwitz MJ, Strotmeyer ES, Boudreau R, Evans RW, Ensrud KE, Gordon CL, Petit MA, Patrick AL, Cauley JA. The association of serum 25-hydroxyvitamin D with indicators of bone quality in men of Caucasian and African ancestry. Osteoporos Int 2011; 22:2475-85. [PMID: 21104232 PMCID: PMC3539808 DOI: 10.1007/s00198-010-1481-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2010] [Accepted: 10/25/2010] [Indexed: 11/26/2022]
Abstract
UNLABELLED We examined the association of serum 25-hydroxyvitamin D [25(OH)D] with indices of bone quality in older men. Positive associations for 25(OH)D and bone mineral density, content, cortical thickness, and axial and polar strength strain indices were observed among Caucasians; however, among men of African descent findings were either null or negative. INTRODUCTION There are limited data on serum 25(OH)D and bone measures in men of African ancestry. To better understand racial differences in vitamin D status and bone health, a cross-sectional study among 446 Caucasian men in the US and 496 men of African ancestry in Tobago (age ≥ 65 years) was conducted. METHODS Serum 25(OH)D (liquid chromatography and tandem mass spectrometry) was measured, and peripheral quantitative computed tomography scans were administered. Bone measures estimated included trabecular and cortical volumetric bone mineral density (vBMD), bone mineral content (BMC), bone geometry (cross-sectional area and cortical thickness), and polar and axial strength strain indices (SSIp and SSIx). RESULTS Men of African ancestry had higher 25(OH)D than Caucasians (34.7 vs. 27.6 ng/ml, p < 0.01). Among Caucasians, 25(OH)D was positively (p trend < 0.05) associated with cortical vBMD, total BMC, cortical thickness, SSIp, and SSIx at the distal radius after adjustment for potential confounders. Similar patterns were observed at the distal tibia. In contrast, in men of African ancestry, there was an inverse association (p trend < 0.05) between 25(OH)D and the cross-sectional area, and SSIx. Race modified (p for interaction < 0.05) the association between 25(OH)D and total BMC, cross-sectional area, SSIp, SSIx, and trabecular vBMD of the radius. In men of African ancestry, there was evidence of a threshold effect (at approximately 18 ng/ml) for 25(OH)D on tibial total BMC and cortical thickness. CONCLUSIONS More studies are needed to better comprehend these race differences for 25(OH)D and bone density, geometry, and indices of bone strength.
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Affiliation(s)
- Kamil E. Barbour
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Joseph M. Zmuda
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Mara J Horwitz
- Division of Endocrinology and Metabolism at the University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Elsa S. Strotmeyer
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Robert Boudreau
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Rhobert W. Evans
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Kristine E. Ensrud
- Minneapolis VA Medical Center, Rheumatology (111 R), One Veterans Drive, Minneapolis, 55417 MN, USA
| | | | - Moira A. Petit
- School of Kinesiology, University of Minnesota, Minneapolis, MN, USA
| | - Alan L. Patrick
- Tobago Health Studies Office, Scarborough, Tobago, Trinidad & Tobago
| | - Jane A. Cauley
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Sirola J, Kröger H. Similarities in acquired factors related to postmenopausal osteoporosis and sarcopenia. J Osteoporos 2011; 2011:536735. [PMID: 21904688 PMCID: PMC3166567 DOI: 10.4061/2011/536735] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2011] [Revised: 06/29/2011] [Accepted: 07/01/2011] [Indexed: 12/15/2022] Open
Abstract
Postmenopausal population is at increased risk of musculoskeletal impairments. Sarcopenia and osteoporosis are associated with significant morbidity and social and health-care costs. These two conditions are uniquely linked with similarities in pathophysiology and diagnostic methods. Uniform diagnostic criteria for sarcopenia are still evolving. Postmenopausal sarcopenia and osteoporosis share many environmental risk- and preventive factors. Moreover, geriatric frailty syndrome may result from interaction of osteoporosis and sarcopenia and may lead to increased mortality. The present paper reviews the factors in evolution of postmenopausal sarcopenia and osteoporosis.
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Affiliation(s)
- Joonas Sirola
- Department of Orthopedics, Traumatology and Hand Surgery, Kuopio University Hospital, 70211 Kuopio, Finland
- Bone and Cartilage Research Unit (BCRU), University of Eastern Finland, 70211 Kuopio, Finland
| | - Heikki Kröger
- Department of Orthopedics, Traumatology and Hand Surgery, Kuopio University Hospital, 70211 Kuopio, Finland
- Bone and Cartilage Research Unit (BCRU), University of Eastern Finland, 70211 Kuopio, Finland
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Changes in healthy elderly women's physical performance: a 3-year follow-up. Exp Gerontol 2011; 46:929-33. [PMID: 21884781 DOI: 10.1016/j.exger.2011.08.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Revised: 07/27/2011] [Accepted: 08/15/2011] [Indexed: 11/22/2022]
Abstract
BACKGROUND Inflammatory states, hypovitaminosis D and secondary hyperparathyroidism may have a role in the age-related loss of muscle mass, and physical performance in healthy old people. The aim of this study is to investigate changes in muscle mass, strength and physical performance in healthy, active elderly females over a 3-year follow-up, correlating them with any inflammatory states and PTH and 25-hydroxyvitamin D (25-OHD) levels. METHODS One hundred healthy females over 65 years of age routinely attending a twice-weekly mild fitness program were eligible for the study. Clinical history, serum parameters, body composition by DEXA, handgrip strength, knee extensor isometric/isotonic strength and functional performance measured using the Short Physical Performance Battery (SPPB) were evaluated at the baseline and after 3 years. RESULTS After 3 years, the women had a significant decrease in weight (∆:-0.8±3.1 kg; p<0.05) and height (∆:-0.4±0,6 cm; p<0.001), while their BMI and body composition parameters did not change. Only IL-6 (∆: 0.6±2.0; p<0.01) and PTH (∆: 30.7±29.2 ng/L; p<0.001) increased significantly, while there were no changes in 25-OHD levels. There was a significant decrease in all the SPPB results and in muscle strength. ∆ PTH only correlated with the variation in 4-meter walking speed (r: 0.41; p<0.01). CONCLUSIONS With advancing age, physical performance declines even in healthy, active females despite a spare of muscle mass. The increase in PTH seems to have a role in this decline, that could be clarified by further investigations.
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Abstract
Osteoporosis is an insidious and common bone disorder of the modern age, as a result of the rapidly increasing number of older people in the total population. It has long been concluded that this disease has definite deleterious effects on the stomatognathic system and is therefore of major concern to a Prosthodontist. If features on a dental radiograph, which are the most commonly required radiographs, can be detected regularly and consistently, it would place a prosthodontist in a position to refer the patient for timely management and also modify his treatment plan, greatly improving the prognosis. Available literature was therefore reviewed for pathophysiology, dental radiographic screening measures, implications and management of osteoporosis from the perspective of a prosthodontist.
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Affiliation(s)
- Saumyendra V Singh
- Department of Prosthodontics, Dental Faculty, C.S.M. Medical University, Lucknow, Uttar Pradesh, India.
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Ward KA, Pye SR, Adams JE, Boonen S, Vanderschueren D, Borghs H, Gaytant J, Gielen E, Bartfai G, Casanueva FF, Finn JD, Forti G, Giwercman A, Han TS, Huhtaniemi IT, Kula K, Labrie F, Lean MEJ, Pendleton N, Punab M, Silman AJ, Wu FCW, O'Neill TW. Influence of age and sex steroids on bone density and geometry in middle-aged and elderly European men. Osteoporos Int 2011; 22:1513-23. [PMID: 21052641 PMCID: PMC3073040 DOI: 10.1007/s00198-010-1437-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2010] [Accepted: 07/27/2010] [Indexed: 11/23/2022]
Abstract
SUMMARY The influence of age and sex steroids on bone density and geometry of the radius was examined in two European Caucasian populations. Age-related change in bone density and geometry was observed. In older men, bioavailable oestradiol may play a role in the maintenance of cortical and trabecular bone mineral density (BMD). INTRODUCTION To examine the effect of age and sex steroids on bone density and geometry of the radius in two European Caucasian populations. METHODS European Caucasian men aged 40-79 years were recruited from population registers in two centres: Manchester (UK) and Leuven (Belgium), for participation in the European Male Ageing Study. Total testosterone (T) and oestradiol (E(2)) were measured by mass spectrometry and the free and bioavailable fractions calculated. Peripheral quantitative computed tomography was used to scan the radius at distal (4%) and midshaft (50%) sites. RESULTS Three hundred thirty-nine men from Manchester and 389 from Leuven, mean ages 60.2 and 60.0 years, respectively, participated. At the 50% radius site, there was a significant decrease with age in cortical BMD, bone mineral content (BMC), cortical thickness, and muscle area, whilst medullary area increased. At the 4% radius site, trabecular and total volumetric BMD declined with age. Increasing bioavailable E(2) (bioE(2)) was associated with increased cortical BMD (50% radius site) and trabecular BMD (4% radius site) in Leuven, but not Manchester, men. This effect was predominantly in those aged 60 years and over. In older Leuven men, bioavailable testosterone (Bio T) was linked with increased cortical BMC, muscle area and SSI (50% radius site) and total area (4% radius site). CONCLUSIONS There is age-related change in bone density and geometry at the midshaft radius in middle-aged and elderly European men. In older men bioE(2) may maintain cortical and trabecular BMD. BioT may influence bone health through associations with muscle mass and bone area.
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Affiliation(s)
- K A Ward
- Nutrition and Bone Health, MRC Human Nutrition Research, Fulbourn Road, Cambridge CB1 9NL, UK.
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Sukumar D, Schlussel Y, Riedt CS, Gordon C, Stahl T, Shapses SA. Obesity alters cortical and trabecular bone density and geometry in women. Osteoporos Int 2011; 22:635-45. [PMID: 20533027 PMCID: PMC2994953 DOI: 10.1007/s00198-010-1305-3] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2010] [Accepted: 04/19/2010] [Indexed: 10/19/2022]
Abstract
UNLABELLED The goal in this study was to determine the relationship between body mass index and trabecular and cortical bone using quantitative computed tomography. A higher body mass index (BMI) was positively associated with trabecular and cortical bone parameters, and serum parathyroid hormone, and negatively associated with cortical volumetric bone mineral density (vBMD) and serum 25-hydroxy-vitamin D. When BMI is greater than 35 kg/m(2), adiposity affects vBMD and may explain the higher fracture risk in this population without low BMD. INTRODUCTION The influence of adult obesity on the trabecular and cortical bone, geometry, and strength has not been fully addressed. The goal in this study was to determine the relationship between body mass index and trabecular and cortical bone mass and geometry, over a wide range of body weights. METHODS We examined 211 women (25-71 years; BMI 18-57 kg/m(2)) who were classified into three categories of BMI (kg/m(2)) including normal-weight (BMI<25), overweight and obese-class I (BMI 25-35) and obese-class II-III (BMI>35), and also by menopausal status. Volumetric bone mineral density (mg/cm(3)), trabecular, and cortical components as well as geometric characteristics at the 4%, 38%, and 66% from the distal tibia were measured by peripheral quantitative computed tomography, and serum was analyzed for parathyroid hormone (PTH) and 25-hydroxy-vitamin D (25OHD). RESULTS Higher BMI was associated with greater values of trabecular bone and cortical BMC and area and PTH (r>0.39, p<0.001), but lower cortical vBMD and 25OHD (r>-0.27, p<0.001). When controlling for lower leg muscle area, fat area was inversely associated with cortical vBMD (r=-0.16, p<0.05). Premenopausal obese women with both higher BMI and PTH had lower cortical vBMD (r<-0.40, p<0.001). While age is a predictor for most bone variables, fat mass explains more variance for vBMD, and lean mass and 25OHD explain greater variance in geometric and strength indices (p<0.05). CONCLUSIONS Severe obesity (BMI>35) increases trabecular vBMD and in the presence of a higher PTH is associated with a lower cortical vBMD without compromising bone geometry and strength. Whether or not a lower cortical vBMD in obesity influences fracture risk over time needs to be further explored.
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Affiliation(s)
- D. Sukumar
- Department of Nutritional Sciences, Rutgers University, 96 Lipman Drive, New Brunswick, NJ 08901-8525, USA
| | - Y. Schlussel
- Department of Nutritional Sciences, Rutgers University, 96 Lipman Drive, New Brunswick, NJ 08901-8525, USA
| | - C. S. Riedt
- Department of Nutritional Sciences, Rutgers University, 96 Lipman Drive, New Brunswick, NJ 08901-8525, USA
| | - C. Gordon
- McMaster University, Hamilton, ON, Canada
| | - T. Stahl
- Department of Radiology, University of Medicine and Dentistry of New Jersey, Newark, NJ, USA
| | - S. A. Shapses
- Department of Nutritional Sciences, Rutgers University, 96 Lipman Drive, New Brunswick, NJ 08901-8525, USA
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Tolppanen AM, Williams D, Lawlor DA. The association of circulating 25-hydroxyvitamin D and calcium with cognitive performance in adolescents: cross-sectional study using data from the third National Health and Nutrition Examination Survey. Paediatr Perinat Epidemiol 2011; 25:67-74. [PMID: 21133971 DOI: 10.1111/j.1365-3016.2010.01171.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Studies in middle- and older-aged adults have shown positive associations between serum levels of 25-hydroxyvitamin D [25(OH)D] and cognitive function. Higher serum calcium levels have been associated with greater cognitive decline in older adults. There have been relatively few studies of the associations of 25(OH)D and calcium with cognitive function in adolescents. We investigated the cross sectional association between circulating levels of 25(OH)D and pH-normalised calcium with different domains of cognitive function (block design and digit span components from Wechsler Intelligence Scale for Children-revised and reading and mathematics subtests of Wide-range Achievement Test-revised) in adolescents (age 12-16.9 years) of the third National Health and Nutrition Examination Survey (NHANES III). Serum 25(OH)D was positively associated with performance in all four cognitive tests (e.g. 1 standard deviation (SD) change in digit span score per 1SD in 25(OH)D was 0.10 [95% confidence interval 0.03, 0.16]), but the association was attenuated to the null after adjusting for ethnicity/race and language used in test (1SD change in digit span per 1SD in 25(OH)D after adjusting for self-reported race/ethnicity and language used in test was 0.01[-0.06, 0.09]). pH-normalised calcium levels were not associated with any of the cognitive domains and adjustment for serum calcium levels did not alter the association between 25(OH)D and cognitive function. Thus, we found no evidence that the serum levels of 25(OH)D or calcium were associated with cognitive function in adolescents. A positive association of 25(OH)D with cognitive function was completely explained by confounding due to race/ethnicity.
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Affiliation(s)
- Anna-Maija Tolppanen
- MRC Centre for Causal Analyses in Translational Epidemiology, School of Social and Community Medicine, University of Bristol, Bristol, UK.
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Napoli N, Pedone C, Pozzilli P, Lauretani F, Ferrucci L, Incalzi RA. Adiponectin and bone mass density: The InCHIANTI study. Bone 2010; 47:1001-5. [PMID: 20804877 PMCID: PMC4623316 DOI: 10.1016/j.bone.2010.08.010] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2010] [Revised: 08/12/2010] [Accepted: 08/16/2010] [Indexed: 01/12/2023]
Abstract
INTRODUCTION Adiponectin serum concentration has been reported to be inversely correlated with bone mineral density (BMD) in humans. The data on this issue, however, are biased by small study sample size and lack of controlling for body composition. METHODS We used data from the third follow-up of the InCHIANTI study, which included measurements of BMD using quantitative CT of the tibia and of body composition using bioimpedenziometry. Serum adiponectin was measured using radioimmunoassay. We excluded participants with diabetes, hyperthyroidism, using hormone replacement or corticosteroid therapy. We evaluated the correlation of adiponectin with total, trabecular, and cortical BMD using Pearson's coefficient, and linear regression models to estimate the association between adiponectin and BMD controlling for potential confounders (age, body mass index, alcohol intake, fat mass, smoking). RESULTS Our sample was made up of 320 men (mean age: 67 years, SD: 15.8, range: 29-97 years) and 271 postmenopausal women (mean age: 76 years, SD: 8.2, range: 42-97 years). In men, serum adiponectin was not independently associated with BMD. In women, after correction for potential confounders, adiponectin was associated with total (β=-0.626, P<0.001), trabecular (β=-0.696, P<0.001), and cortical (β=-1.076, P=0.001) BMD. CONCLUSION Our results show that adiponectin is inversely associated with bone mass in women. Further studies are needed to confirm these findings prospectively and then to clarify the explanatory mechanisms.
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Affiliation(s)
- Nicola Napoli
- Division of Endocrinology and Diabetes, Università Campus Bio-Medico di Roma, Italy
- Division of Bone and Mineral Diseases, Washington University in St Louis, St Louis, MO, USA
| | - Claudio Pedone
- Centro per la Salute dell’Anziano, Area di Geriatria Università Campus Bio-Medico di Roma, Italy
- Corresponding author: Centro per la Salute dell’ Anziano, Area di Geriatria, Università Campus Biomedico, Via Alvaro del Portillo, 21 00128 Roma, Italy. (C. Pedone)
| | - Paolo Pozzilli
- Division of Endocrinology and Diabetes, Università Campus Bio-Medico di Roma, Italy
| | | | - Luigi Ferrucci
- Longitudinal Studies Section, Clinical Research Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Raffaele Antonelli Incalzi
- Centro per la Salute dell’Anziano, Area di Geriatria Università Campus Bio-Medico di Roma, Italy
- Fondazione San Raffaele - Cittadella delta Carità, Taranto, Italy
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Nagatani T, Mori R, Wang Y, Nakai T, Ozoe N, Uchio Y. Optimum predrilled hole size for bone screws used in osteochondral fixation: in vitro biomechanical study and clinical case. J Orthop Sci 2010; 15:245-50. [PMID: 20358339 DOI: 10.1007/s00776-009-1442-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2009] [Accepted: 12/01/2009] [Indexed: 02/09/2023]
Abstract
BACKGROUND Bone screws have a mechanical advantage over bone pegs for fixation of osteochondral fractures. The purpose of this study was to investigate predrilling methods to facilitate bone screw insertion. METHODS The 162 bone screws (major diameter 3.0 mm; minor diameter 2.5 mm; length 10 mm) used were made from porcine tibial cortical bone. Metal screws of the same design were used as a control. The screws were inserted, without tapping, into predrilled holes of six different sizes (2.4-2.9 mm diameter; 80%-97% of the screw) made in cancellous bone harvested from porcine femoral condyle, and pullout strength was determined. The volumetric bone mineral densities of porcine bones were compared to those of human bones. In a clinical case, an osteochondral fracture of the patella was repaired using three autologous bone screws. RESULTS Bone screws occasionally broke due to high insertion torque (108-158 N.mm); the incidences were 30% and 19% with the 80% and 83% sized holes, respectively. None of the screws inserted into holes of size >/= 87% broke, and their insertion torques never exceeded 100 N.mm. Metal screws were inserted without breakage regardless of hole size. Bone screws inserted into 80%-93% holes had the greatest pullout strengths (range 154-165 N), whereas 97% holes had a mean strength of 84 N. Metal screws had large pullout strengths when inserted into 80% and 83% holes (164 and 169 N, respectively). The mineral density of porcine bone was lower than that of human bone (1167 and 1357 mg/cm(3) for cortical bone and 193 and 269 mg/cm(3) for cancellous bone, respectively). In the clinical case, bone screws were inserted smoothly into 90% holes. CONCLUSIONS The optimal size of predrilled holes for bone screws (87%-93%) differs from that for metal screws.
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Affiliation(s)
- Toru Nagatani
- Department of Orthopaedic Surgery, Faculty of Medicine, Shimane University, 89-1 Enya, Izumo, Shimane, 693-8501, Japan
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Abstract
Experimental studies indicate that the proinflammatory cytokines interleukin-1, interleukin-6, and tumor necrosis factor-alpha are important regulators of bone resorption and may play an important role in age- and estrogen deficiency-related bone loss. Although the observation of accelerated bone loss in patients with inflammatory disorders supports this mechanism, the role of cytokines in the etiology of osteoporosis has yet to be determined. Elucidation of this potential relationship could not only provide clinicians with an additional tool to identify patients at risk for osteoporosis, but may also inform the development of cytokine-blocking therapies as potential interventions to curb bone loss. Although some epidemiologic studies suggest increases in proinflammatory cytokines are associated with decreased bone mass and greater fracture risk, the totality of evidence is limited and provides no clear indication of which cytokines may be most important for bone health. Additional studies are required to establish if inflammation is an important risk factor for osteoporosis.
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Affiliation(s)
- Robert R McLean
- Institute for Aging Research, Hebrew SeniorLife, 1200 Centre Street, Boston, MA 02131, USA.
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Proximal half angle of the screw thread is a critical design variable affecting the pull-out strength of cancellous bone screws. Clin Biomech (Bristol, Avon) 2009; 24:781-5. [PMID: 19699567 DOI: 10.1016/j.clinbiomech.2009.07.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2008] [Revised: 07/17/2009] [Accepted: 07/20/2009] [Indexed: 02/07/2023]
Abstract
BACKGROUND Screws with strong pull-out strength have been sought for the treatment of cancellous bone. We hypothesized that an obliquely angled screw thread has advantages over conventional vertical thread with a minimal proximal half angle. METHODS Metal and bone screws were made of stainless steel and porcine cortical bone. Their proximal half angle was set at 0 degrees , 30 degrees , or 60 degrees . The screws were inserted into porcine cancellous bone. At 0 degrees , the thread faced the recipient bone vertically. Pullout tests at a rate of 30 mm/min (n=40, each screw type) and microcomputed tomography (n=6) were conducted. FINDINGS The pull-out strength of the screws was maximal at 30 degrees ; 348.8 (SD, 44.1)N with metal and 326.6 (39.4)N with bone. It was intermediate at 0 degrees ; 301.9 (35.9)N with metal and 278.2 (30.6)N with bone. It was minimal at 60 degrees; 126.5 (39.0)N with metal and 174.8 (29.7)N with bone. Cancellous bone was damaged between the threads at 30 degrees , while intact cancellous bone was preserved between the threads at 0 degrees. INTERPRETATION A proximal half angle of around 30 degrees is appropriate because the pullout force is applied to the recipient bone evenly. Commercial cancellous screws can be improved by changing the thread shape to minimize the damage to recipient bone.
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Laudisio A, Marzetti E, Cocchi A, Bernabei R, Zuccalà G. Association of depressive symptoms with bone mineral density in older men: a population-based study. Int J Geriatr Psychiatry 2008; 23:1119-26. [PMID: 18457343 DOI: 10.1002/gps.2037] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Thirty percent of hip fractures occur in men; nevertheless, the determinants of osteoporosis in men are unclear. METHODS We assessed the association of ultrasound-derived bone mineral density (UD-BMD) with depressive symptoms in a population-based study. We assessed the association of 30-item Geriatric Depression Scale (GDS) score with the ultrasound-derived T-score, Z-score, and Stiffness index in all 306 subjects aged 75 + living in Tuscania (Italy). RESULTS In multivariable linear regression analysis, GDS was associated among men with the ultrasound-derived T-score (beta = -0.09; 95% CI = -0.15 to -0.03; p = 0.003), Z-score (beta = -0.07; 95% CI = -0.13 to -0.01; p = 0.032), and the Stiffness index (beta = -0.90; 95% CI = -1.64 to -0.16; p = 0.018) after adjusting for potential confounders. No significant associations were observed in women. In linear discriminant analysis, the GDS score cutoff that best predicted osteoporosis was >or=19. Participants with mild to severe depressive symptoms had threefold increased probability of having an ultrasound-derived T-score < -2.5. CONCLUSIONS Depressive symptoms are independently associated with all UD-BMD parameters. As depression is a common feature among older populations, and because subjects with depression are infrequent users of preventive services, older men with depression should be prompted to undergo screening for osteoporosis. Conversely, assessment for depression should be performed in older men with diagnosis of osteoporosis.
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Affiliation(s)
- Alice Laudisio
- Department of Gerontology and Geriatrics, Catholic University of Medicine, L.go F. Vito1, Rome, Italy.
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Lauretani F, Maggio M, Saccavini M, Ceda GP. Should the "Preventive Geriatric Section" be implemented in our hospital? Aging Clin Exp Res 2008; 20:384. [PMID: 18852555 DOI: 10.1007/bf03324873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lauretani F, Bandinelli S, Griswold ME, Maggio M, Semba R, Guralnik JM, Ferrucci L. Longitudinal changes in BMD and bone geometry in a population-based study. J Bone Miner Res 2008; 23:400-8. [PMID: 17997708 PMCID: PMC2645701 DOI: 10.1359/jbmr.071103] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2007] [Revised: 09/05/2007] [Accepted: 11/06/2007] [Indexed: 01/23/2023]
Abstract
UNLABELLED We prospectively examined vBMD and structural bone parameters assessed by QCT among participants of the InCHIANTI study over a 6-yr follow-up. Periosteal apposition occurred both in men and women. Endocortical resorption causes bone loss in older women despite periosteal apposition. INTRODUCTION To address the hypothesis that age-related changes in BMD and bone geometry may be different in men and women, we prospectively examined volumetric BMD (vBMD) and structural bone parameters assessed by QCT among participants of the InCHIANTI study over a 6-yr follow-up. MATERIALS AND METHODS Three hundred forty-five men and 464 women 21-102 yr of age from the InCHIANTI study, a population-based study in Tuscany, Italy, were included. Tibial QCT bone parameters were measured at enrollment (1998-2000) and at 3- (2001-2003) and 6-yr (2004-2006) follow-ups. RESULTS Periosteal apposition occurred both in men and women. The annual rate of bone periosteal apposition was higher in younger than in older men, whereas in women, the rate of apposition was homogenous across age groups. The age-related medullary expansion, expression of endocortical resorption, was significantly higher in women compared with men. In women, but not in men, accelerated endocortical resorption not sufficiently balanced by periosteal apposition caused accelerated loss in cortical bone mass. The cross-sectional moment of inertia decreased progressively over the life span in both sexes. CONCLUSIONS Endocortical resorption causes bone loss in older women despite periosteal apposition. Obtaining a balance between endocortical resorption and periosteal apposition should be the target for interventions aimed to decrease bone loss and prevent osteoporosis in older women.
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Affiliation(s)
- Fulvio Lauretani
- Tuscany Regional Health Agency, Florence, Italy
- Longitudinal Studies Section, Clinical Research Branch, NIA-NIH, Bethesda, Maryland, USA
| | | | | | - Marcello Maggio
- Department of Internal Medicine and Biomedical Sciences, Section of Geriatrics, University of Parma, Parma, Italy
| | - Richard Semba
- Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Jack M Guralnik
- Laboratory of Epidemiology, Demography and Biometry, NIA-NIH, Bethesda, Maryland, USA
| | - Luigi Ferrucci
- Longitudinal Studies Section, Clinical Research Branch, NIA-NIH, Bethesda, Maryland, USA
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Engelke K, Adams JE, Armbrecht G, Augat P, Bogado CE, Bouxsein ML, Felsenberg D, Ito M, Prevrhal S, Hans DB, Lewiecki EM. Clinical Use of Quantitative Computed Tomography and Peripheral Quantitative Computed Tomography in the Management of Osteoporosis in Adults: The 2007 ISCD Official Positions. J Clin Densitom 2008; 11:123-62. [PMID: 18442757 DOI: 10.1016/j.jocd.2007.12.010] [Citation(s) in RCA: 347] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2007] [Accepted: 12/05/2007] [Indexed: 10/22/2022]
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Laudisio A, Marzetti E, Antonica L, Cocchi A, Bernabei R, Zuccalà G. Association of left ventricular function with bone mineral density in older women: a population-based study. Calcif Tissue Int 2008; 82:27-33. [PMID: 18175031 DOI: 10.1007/s00223-007-9094-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2007] [Accepted: 11/24/2007] [Indexed: 11/24/2022]
Abstract
Due to the increasing mortality and disability rates associated with hip and vertebral fractures in older age, research is currently focusing on "new" determinants of osteoporosis in elderly subjects. Most recently, low bone mineral density (BMD) has been repeatedly reported in patients with end-stage heart failure. We assessed the association, if any, of BMD with left ventricular ejection fraction (LVEF) in a general older population. We assessed the association of LVEF with T score, Z score, and stiffness index in all 312 subjects aged 75 and over living in Tuscania, Italy. Among women, LVEF was associated with T score (beta = 0.02, 95% CI 0.01-0.05; P = 0.033), Z score (beta = 0.02, 95% CI 0.01-0.04; P = 0.038), and stiffness index (beta = 0.25, 95% CI 0.02-0.48; P = 0.036) in multivariable linear regression analysis, after adjusting for lifestyle habits, demographic variables, comorbid conditions, polypharmacy, and objective measurements. No significant associations were observed in men. In linear discriminant analysis, the LVEF cutoff level that best predicted osteoporosis was < or =49%. Left ventricular function is directly and independently associated with all of the ultrasonographic BMD parameters in older women. As left ventricular dysfunction, often asymptomatic, is a prevalent finding in older women, this association and its potential therapeutic implications should be assessed in dedicated studies.
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Affiliation(s)
- Alice Laudisio
- Department of Gerontology and Geriatrics, Catholic University of Medicine, L.go F. Vito, 1-00168, Rome, Italy.
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Bibliography. Current world literature. Parathyroids, bone and mineral metabolism. Curr Opin Endocrinol Diabetes Obes 2007; 14:494-501. [PMID: 17982358 DOI: 10.1097/med.0b013e3282f315ef] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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