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McMenemy L, Behan FP, Kaufmann J, Cain D, Bennett AN, Boos CJ, Fear NT, Cullinan P, Bull AMJ, Phillips ATM, McGregor AH. Association Between Combat-Related Traumatic Injury and Skeletal Health: Bone Mineral Density Loss Is Localized and Correlates With Altered Loading in Amputees: the Armed Services Trauma Rehabilitation Outcome (ADVANCE) Study. J Bone Miner Res 2023; 38:1227-1233. [PMID: 37194399 DOI: 10.1002/jbmr.4794] [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: 10/28/2022] [Revised: 02/08/2023] [Accepted: 02/22/2023] [Indexed: 05/18/2023]
Abstract
The association between combat-related traumatic injury (CRTI) and bone health is uncertain. A disproportionate number of lower limb amputees from the Iraq and Afghanistan conflicts are diagnosed with osteopenia/osteoporosis, increasing lifetime risk of fragility fracture and challenging traditional osteoporosis treatment paradigms. The aim of this study is to test the hypotheses that CRTI results in a systemic reduction in bone mineral density (BMD) and that active traumatic lower limb amputees have localized BMD reduction, which is more prominent with higher level amputations. This is a cross-sectional analysis of the first phase of a cohort study comprising 575 male adult UK military personnel with CRTI (UK-Afghanistan War 2003 to 2014; including 153 lower limb amputees) who were frequency-matched to 562 uninjured men by age, service, rank, regiment, deployment period, and role-in-theatre. BMD was assessed using dual-energy X-ray absorptiometry (DXA) scanning of the hips and lumbar spine. Femoral neck BMD was lower in the CRTI than the uninjured group (T-score -0.08 versus -0.42 p = .000). Subgroup analysis revealed this reduction was significant only at the femoral neck of the amputated limb of amputees (p = 0.000), where the reduction was greater for above knee amputees than below knee amputees (p < 0.001). There were no differences in spine BMD or activity levels between amputees and controls. Changes in bone health in CRTI appear to be mechanically driven rather than systemic and are only evident in those with lower limb amputation. This may arise from altered joint and muscle loading creating a reduced mechanical stimulus to the femur resulting in localized unloading osteopenia. This suggests that interventions to stimulate bone may provide an effective management strategy. © 2023 Crown copyright and The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR). This article is published with the permission of the Controller of HMSO and the King's Printer for Scotland.
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Affiliation(s)
- Louise McMenemy
- Centre for Blast Injury Studies, Department of Bioengineering, Imperial College London, London, UK
- Academic Department of Military Surgery and Trauma, Royal Centre for Defence Medicine, Birmingham, UK
- Institute of Naval Medicine, Gosport, UK
| | - Fearghal P Behan
- Centre for Blast Injury Studies, Department of Bioengineering, Imperial College London, London, UK
| | - Josh Kaufmann
- Centre for Blast Injury Studies, Department of Bioengineering, Imperial College London, London, UK
- Structural Biomechanics, Department of Civil and Environmental Engineering, Imperial College London, London, UK
- Musculoskeletal Biodynamics, Imperial College London, London, UK
| | - David Cain
- Academic Department of Military Surgery and Trauma, Royal Centre for Defence Medicine, Birmingham, UK
| | - Alexander N Bennett
- Academic Department of Military Rehabilitation, Defence Medical Rehabilitation Centre, Loughborough, UK
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - Christopher J Boos
- Academic Department of Military Rehabilitation, Defence Medical Rehabilitation Centre, Loughborough, UK
- Academic Department of Military Mental Health, King's College London, London, UK
- Faculty of Health & Social Sciences, Bournemouth University, Bournemouth, UK
- Cardiology, University Hospitals Dorset NHS Foundation Trust, Poole Hospital, Poole, UK
| | - Nicola T Fear
- Academic Department of Military Mental Health, King's College London, London, UK
| | - Paul Cullinan
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - Anthony M J Bull
- Centre for Blast Injury Studies, Department of Bioengineering, Imperial College London, London, UK
| | - Andrew T M Phillips
- Structural Biomechanics, Department of Civil and Environmental Engineering, Imperial College London, London, UK
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Hughes JM, Greeves JP. Editorial on: Association between Combat-Related Traumatic Injury and Skeletal Health: Bone Mineral Density Loss Is Localized and Correlates with Altered Loading in Amputees: The ADVANCE Study. J Bone Miner Res 2023; 38:1223-1224. [PMID: 37607690 DOI: 10.1002/jbmr.4891] [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] [Received: 07/10/2023] [Revised: 07/25/2023] [Accepted: 08/01/2023] [Indexed: 08/24/2023]
Affiliation(s)
- Julie M Hughes
- Military Performance Division, United States Army Research Institute of Environmental Medicine, Natick, MA, USA
| | - Julie P Greeves
- Army Health and Performance Research, Army Headquarters, Andover, UK
- Division of Surgery and Interventional Science, University College London, London, UK
- Norwich Medical School, University of East Anglia, Norwich, UK
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Hoellwarth JS, Oomatia A, Tetsworth K, Vrazas E, Al Muderis M. Bone density changes after five or more years of unilateral lower extremity osseointegration: Observational cohort study. Bone Rep 2023; 18:101682. [PMID: 37205925 PMCID: PMC10189091 DOI: 10.1016/j.bonr.2023.101682] [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: 01/18/2023] [Revised: 04/25/2023] [Accepted: 04/27/2023] [Indexed: 05/21/2023] Open
Abstract
Context Rehabilitation following lower extremity amputation presents multiple challenges, many related to the traditional prosthesis (TP) socket. Without skeletal loading, bone density also rapidly decreases. Transcutaneous osseointegration for amputees (TOFA) surgically implants a metal prosthesis attachment directly into the residual bone, facilitating direct skeletal loading. Quality of life and mobility are consistently reported to be significantly superior with TOFA than TP. Objective To investigate how femoral neck bone mineral density (BMD, g/cm2) changes for unilateral transfemoral and transtibial amputees at least five years following single-stage press-fit osseointegration. Methods Registry review was performed of five transfemoral and four transtibial unilateral amputees who had dual x-ray absorptiometry (DXA) performed preoperatively and after at least five years. The average BMD was compared using Student's t-test (significance p < .05). First, all nine Amputated versus Intact limbs. Second, the five patients with local disuse osteoporosis (ipsilateral femoral neck T-score < -2.5) versus the four whose T-score was greater than -2.5. Results The average Amputated Limb BMD was significantly less than the Intact Limb, both Before Osseointegration (0.658 ± 0.150 vs 0.929 ± 0.089, p < .001) and After Osseointegration (0.720 ± 0.096 vs 0.853 ± 0.116, p = .018). The Intact Limb BMD decreased significantly during the study period (0.929 ± 0.089 to 0.853 ± 0.116, p = .020), while the Amputated Limb BMD increased a not statistically significant amount (0.658 ± 0.150 to 0.720 ± 0.096, p = .347). By coincidence, all transfemoral amputees had local disuse osteoporosis (BMD 0.545 ± 0.066), and all transtibial patients did not (BMD 0.800 ± 0.081, p = .003). The local disuse osteoporosis cohort eventually had a greater average BMD (not statistically significant) than the cohort without local disuse osteoporosis (0.739 ± 0.100 vs 0.697 ± 0.101, p = .556). Conclusions Single-stage press-fit TOFA may facilitate significant BMD improvement to unilateral lower extremity amputees with local disuse osteoporosis.
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Affiliation(s)
- Jason Shih Hoellwarth
- Limb Lengthening and Complex Reconstruction Service, Osseointegration Limb Replacement Center, Hospital for Special Surgery, 535 East 70th Street, New York 10021, NY, USA
- Corresponding author.
| | - Atiya Oomatia
- Limb Reconstruction Centre, Macquarie University Hospital, Macquarie University, Macquarie Park, Australia
| | - Kevin Tetsworth
- Department of Orthopaedic Surgery, Royal Brisbane and Women's Hospital, Queensland, Australia
| | - Elisabeth Vrazas
- Macquarie School of Medicine Macquarie University, Suite 305, Level 3/2 Technology Pl, Macquarie Park, NSW 2109, Australia
| | - Munjed Al Muderis
- Limb Reconstruction Centre, Macquarie University Hospital, Macquarie University, Macquarie Park, Australia
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Cavedon V, Sandri M, Peluso I, Zancanaro C, Milanese C. Sporting activity does not fully prevent bone demineralization at the impaired hip in athletes with amputation. Front Physiol 2022; 13:934622. [PMID: 36338502 PMCID: PMC9634735 DOI: 10.3389/fphys.2022.934622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 10/10/2022] [Indexed: 11/28/2022] Open
Abstract
There is lack of information about bone mineralization at the lumbar spine and bilateral hips of athletes with unilateral lower limb amputation. The present study assessed for the first time the areal bone mineral density at the lumbar spine and at the hip of the able and impaired leg by means of Dual-Energy X-Ray Absorptiometry using a large sample (N = 40) of male athletes. Results showed that bone demineralization in athletes with unilateral lower limb amputation is found at the impaired hip but not at the lumbar spine and may therefore be site-specific. The extent of hip demineralization was influenced by the level of amputation, with about 80% of athletes with above knee amputation and 10% of athletes with below knee amputation showing areal bone mineral density below the expected range for age. Nevertheless, a reduced percentage of fat mass and a lower fat-to-lean mass ratio in the residual impaired leg as well as a greater amount of weekly training was positively associated with bone mineralization at the impaired hip (partial correlation coefficients = 0.377–0.525, p = 0.040–0.003). Results showed that participation in adapted sport has a positive effect on bone health in athletes with unilateral lower limb amputation but is not sufficient to maintain adequate levels of bone mineralization at the impaired hip in athletes with above-knee amputation. Accordingly, physical conditioners should consider implementing sporting programs, according to the severity of the impairment, aimed at improving bone mineralization at the impaired hip and improve body composition in the residual impaired leg.
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Affiliation(s)
- Valentina Cavedon
- Laboratory of Anthropometry and Body Composition, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
- *Correspondence: Valentina Cavedon,
| | - Marco Sandri
- Laboratory of Anthropometry and Body Composition, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Ilaria Peluso
- Council for Agricultural Research and Economics (CREA-AN), Research Centre for Food and Nutrition, Rome, Italy
| | - Carlo Zancanaro
- Laboratory of Anthropometry and Body Composition, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Chiara Milanese
- Laboratory of Anthropometry and Body Composition, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
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Poutoglidou F, Khan R, Krkovic M. Stumped by the Mystery: A Case Report of Progressive Shortening of Bone Following an Above-Knee Amputation. Cureus 2022; 14:e29222. [PMID: 36258997 PMCID: PMC9571205 DOI: 10.7759/cureus.29222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/16/2022] [Indexed: 11/27/2022] Open
Abstract
Several studies have investigated the anatomical adaptations in amputation stumps. In this study, we present a case report of a patient who underwent an above-the-knee amputation and, over the course of time, the length of the residual bone spontaneously shortened. The patient had undergone a total hip replacement in the same leg, and the cement mantle of the hip replacement, which could be seen within the medullary canal in the early postoperative X-rays, protruded due to bone resorption one year after the amputation. Although changes in bone microarchitecture in amputation stumps are well established, this is the first report of macroscopic changes in its actual length.
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Hoellwarth J, Reif T, Henry M, Miller A, Kaidi A, Rozbruch S. Unexpected positive intraoperative cultures (UPIC) at index osseointegration do not lead to increased postoperative infectious events. J Bone Jt Infect 2022; 7:155-162. [PMID: 35937089 PMCID: PMC9350876 DOI: 10.5194/jbji-7-155-2022] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 02/28/2022] [Indexed: 11/11/2022] Open
Abstract
Introduction: The most common complication following transcutaneous
osseointegration for amputees is infection. Although an obvious source of
contamination is the permanent stoma, operative site contamination at the time
of implantation may be an additional source. This study investigates the impact
of unexpected positive intraoperative cultures (UPIC) on postoperative
infection. Methods: Charts were reviewed for 8 patients with UPIC
and 22 patients with negative intraoperative cultures (NIC) who had at least 1
year of post-osseointegration follow-up. All patients had 24 h of routine
postoperative antibiotic prophylaxis, with UPIC receiving additional antibiotics
guided by culture results. The main outcome measure was postoperative infection
intervention, which was graded as (0) none, (1) antibiotics unrelated to the
initial surgery, (2) operative debridement with implant retention, or (3)
implant removal. Results: The UPIC vs. NIC rate of infection
management was as follows: Grade 0, 6/8 = 75 % vs. 14/22 = 64 %, p= 0.682; Grade 1, 2/8 = 25 % vs. 8/22 = 36.4 % (Fisher's p= 0.682); Grade 2, 1/8 = 12.5 % vs. 0/22 = 0 % (Fisher's p= 0.267); Grade 3, 0/8 = 0 % vs. 1/22 = 4.5 % (Fisher's p= 1.000). No differences were statistically significant.
Conclusions: UPIC at index osseointegration, managed with
directed postoperative antibiotics, does not appear to increase the risk of
additional infection management. The therapeutic benefit of providing additional
directed antibiotics versus no additional antibiotics following UPIC is unknown
and did not appear to increase the risk of other adverse outcomes in our
cohort.
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Affiliation(s)
- Jason S. Hoellwarth
- Limb Lengthening and Complex Reconstruction Service, Hospital for
Special Surgery, Weill Cornell Medical College, 535 East 70th Street, New
York, NY 10021, USA
| | - Taylor J. Reif
- Limb Lengthening and Complex Reconstruction Service, Hospital for
Special Surgery, Weill Cornell Medical College, 535 East 70th Street, New
York, NY 10021, USA
| | - Michael W. Henry
- Infectious Disease Service, Hospital for Special Surgery, Weill
Cornell Medical College, 535 East 70th Street, New York, NY 10021,
USA
| | - Andy O. Miller
- Infectious Disease Service, Hospital for Special Surgery, Weill
Cornell Medical College, 535 East 70th Street, New York, NY 10021,
USA
| | - Austin C. Kaidi
- Limb Lengthening and Complex Reconstruction Service, Hospital for
Special Surgery, Weill Cornell Medical College, 535 East 70th Street, New
York, NY 10021, USA
| | - S. Robert Rozbruch
- Limb Lengthening and Complex Reconstruction Service, Hospital for
Special Surgery, Weill Cornell Medical College, 535 East 70th Street, New
York, NY 10021, USA
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7
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Thesleff A, Ortiz-Catalan M, Brånemark R. The effect of cortical thickness and thread profile dimensions on stress and strain in bone-anchored implants for amputation prostheses. J Mech Behav Biomed Mater 2022; 129:105148. [DOI: 10.1016/j.jmbbm.2022.105148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 10/25/2021] [Accepted: 02/27/2022] [Indexed: 11/28/2022]
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McDiarmid MA, Gaitens JM, Hines S, Cloeren M, Breyer R, Condon M, Oliver M, Roth T, Gucer P, Kaup B, Brown L, Brown CH, Dux M, Glick D, Lewin-Smith MR, Strathmann F, Xu H, Velez-Quinones MA, Streeten E. Surveillance of Depleted Uranium-exposed Gulf War Veterans: More Evidence for Bone Effects. HEALTH PHYSICS 2021; 120:671-682. [PMID: 33867437 DOI: 10.1097/hp.0000000000001395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
ABSTRACT Gulf War I veterans who were victims of depleted uranium (DU) "friendly-fire" incidents have undergone longitudinal health surveillance since 1994. During the spring of 2019, 36 members of the cohort were evaluated with a monitoring protocol including exposure assessment for total and isotopic uranium concentrations in urine and a comprehensive review of health outcomes, including measures of bone metabolism and bone mineral density (BMD) determination. Elevated urine U concentrations were observed in cohort members with retained depleted uranium (DU) shrapnel fragments. In addition, a measure of bone resorption, N-telopeptide, showed a statistically significant increase in those in the high DU subgroup, a finding consistent with a statistically significant decrease in bone mass also observed in this high DU subgroup compared to the low DU subgroup. After more than 25 y since first exposure to DU, an aging cohort of military veterans continues to show few U-related health effects in known target organs of U toxicity. The new finding of impaired BMD in the high DU subgroup has now been detected in two consecutive surveillance visits. While this is a biologically plausible uranium effect, it is not reflected in other measures of bone metabolism in the full cohort, which have largely been within normal limits. However, ongoing accrual of the U burden from fragment absorption over time and the effect of aging further impairing BMD suggest the need for future surveillance assessments of this cohort.
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Affiliation(s)
| | | | | | | | - Richard Breyer
- Department of Veterans Affairs Medical Center Baltimore, MD
| | - Marian Condon
- Department of Veterans Affairs Medical Center Baltimore, MD
| | | | | | | | - Bruce Kaup
- Department of Veterans Affairs Medical Center Baltimore, MD
| | | | - Clayton H Brown
- Biophysical Toxicology, The Joint Pathology Center, Silver Spring, MD
| | - Moira Dux
- Department of Veterans Affairs Medical Center Baltimore, MD
| | - Danielle Glick
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD
| | - Michael R Lewin-Smith
- Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, 655 W Baltimore S, Baltimore, MD 21201
| | - Frederick Strathmann
- Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, 655 W Baltimore S, Baltimore, MD 21201
| | - Hanna Xu
- Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, 655 W Baltimore S, Baltimore, MD 21201
| | - Maria A Velez-Quinones
- Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, 655 W Baltimore S, Baltimore, MD 21201
| | - Elizabeth Streeten
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD
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9
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Cavedon V, Sandri M, Peluso I, Zancanaro C, Milanese C. Body composition and bone mineral density in athletes with a physical impairment. PeerJ 2021; 9:e11296. [PMID: 34026349 PMCID: PMC8117930 DOI: 10.7717/peerj.11296] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 03/28/2021] [Indexed: 12/17/2022] Open
Abstract
Background The impact of the type and the severity of disability on whole-body and regional body composition (BC), and bone mineral density (BMD) must be considered for dietary advice in athletes with a physical impairment (PI). This study aimed to investigate the impact of the type and the severity of disability on BC, the pattern of distribution of fat mass at the regional level, and BMD in athletes with a PI. Methods Forty-two male athletes with spinal cord injury (SCI, n = 24; age = 40.04 ± 9.95 years, Body Mass Index [BMI] = 23.07 ± 4.01 kg/m2) or unilateral lower limb amputation (AMP, n = 18; age = 34.39 ± 9.19 years, BMI = 22.81 ± 2.63 kg/m2) underwent a Dual-Energy X-Ray Absorptiometry scan. Each athlete with a PI was matched by age with an able-bodied athlete (AB, n = 42; age = 37.81 ± 10.31 years, BMI = 23.94 ± 1.8 kg/m2). Results One-Way Analysis of Variance showed significant differences between the SCI, AMP and AB groups for percentage fat mass (%FM) (P < 0.001, eta squared = 0.440). Post-hoc analysis with Bonferroni’s correction showed that athletes with SCI had significantly higher %FM vs. the AMP and AB groups (25.45 ± 5.99%, 21.45 ± 4.21% and 16.69 ± 2.56%, respectively; P = 0.008 vs. AMP and P < 0.001 vs. AB). The %FM was also significantly higher in the AMP vs. the AB group (P < 0.001). Whole-body BMD was negatively affected in SCI athletes, with about half of them showing osteopenia or osteoporosis. In fact, the mean BMD and T-score values in the SCI group (1.07 ± 0.09 g/cm2 and −1.25 ± 0.85, respectively) were significantly lower in comparison with the AB group (P = 0.001 for both) as well as the AMP group (P = 0.008 for both). The type of disability affected BC and BMD in the trunk, android, gynoid and leg regions in SCI athletes and the impaired leg only in AMP athletes. Conclusions In conclusion, the type of disability and, partly, the severity of PI impact on BC and BMD in athletes with a PI. Nutritionists, sports medicine doctors, clinicians, coaches and physical conditioners should consider athletes with SCI or AMP separately. Athletes with a PI would benefit from specific nutrition and training programs taking into account the type of their disability.
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Affiliation(s)
- Valentina Cavedon
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Marco Sandri
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Ilaria Peluso
- Council for Agricultural Research and Economics (CREA-AN), Research Centre for Food and Nutrition, Rome, Italy
| | - Carlo Zancanaro
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Chiara Milanese
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
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10
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The bone alterations in hind limb amputation rats in vivo. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2020. [DOI: 10.1016/j.medntd.2020.100046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Sharma-Ghimire P, Chen Z, Sherk V, Bemben M, Bemben D. Sclerostin and parathyroid hormone responses to acute whole-body vibration and resistance exercise in young women. J Bone Miner Metab 2019; 37:358-367. [PMID: 29956019 DOI: 10.1007/s00774-018-0933-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 04/29/2018] [Indexed: 01/18/2023]
Abstract
Whole-body vibration (WBV) has been shown to improve bone mineral density, and muscle strength and power. No studies to date have examined sclerostin and parathyroid hormone (PTH) responses to WBV combined with resistance exercise (RE). This randomized crossover study compared acute serum sclerostin and PTH responses to RE and WBV + RE in young women (n = 9) taking oral contraceptives. Participants were exposed to 5 1-min bouts of vibration (20 Hz, 3.38 peak-peak displacement, separated by 1 min of rest) before high intensity resistance exercise. Fasting blood samples were obtained before (PRE), immediately after WBV (POSTWBV), immediately post RE (IP) and 30 min post RE (30P). Pre-exercise sclerostin and PTH levels were not significantly different between conditions. Sclerostin levels significantly (p < 0.05) increased from PRE to IP for the WBV + RE condition, then decreased back to the pre-exercise level. PTH significantly decreased from PRE to 30P (p < 0.05) and IP to 30P (p < 0.01) for both conditions. Correcting for hemoconcentration eliminated the significant sclerostin responses, but the significant decrease in PTH remained (p < 0.05). There were no significant relationships found between sclerostin and PTH. In conclusion, sclerostin concentrations increased in response to the WBV + RE condition, which may have been mediated by plasma volume shifts. There was no transient PTH increase, but it showed a large decrease at 30P for both conditions. Based on these findings, the addition of WBV exposures prior to high intensity RE did not alter sclerostin and PTH responses to RE in young women.
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Affiliation(s)
- Pragya Sharma-Ghimire
- Bone Density Research Laboratory, Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, Norman, OK, 73019, USA
| | - Zhaojing Chen
- Bone Density Research Laboratory, Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, Norman, OK, 73019, USA
| | - Vanessa Sherk
- Department of Medicine, Division of Endocrinology, Metabolism and Diabetes, University of Colorado at Denver Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Michael Bemben
- Bone Density Research Laboratory, Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, Norman, OK, 73019, USA
| | - Debra Bemben
- Bone Density Research Laboratory, Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, Norman, OK, 73019, USA.
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12
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Webster JB. Lower Limb Amputation Care Across the Active Duty Military and Veteran Populations. Phys Med Rehabil Clin N Am 2019; 30:89-109. [DOI: 10.1016/j.pmr.2018.08.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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13
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Nakamura M, Inaba M, Yamada S, Ozaki E, Maruo S, Okuno S, Imanishi Y, Kuriyama N, Watanabe Y, Emoto M, Motoyama K. Association of Decreased Handgrip Strength with Reduced Cortical Thickness in Japanese Female Patients with Type 2 Diabetes Mellitus. Sci Rep 2018; 8:10767. [PMID: 30018407 PMCID: PMC6050319 DOI: 10.1038/s41598-018-29061-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 06/29/2018] [Indexed: 12/25/2022] Open
Abstract
LD-100, a quantitative ultrasonic device, allows us to measure cortical thickness (CoTh). Patients with type 2 diabetes mellitus (T2DM) show high prevalence of sarcopenia. This study aimed to clarify the association of handgrip strength (HGS) with cortical porosis, a major risk for fracture of DM. CoTh and trabecular bone mineral density (TrBMD) at the 5.5% distal radius were assessed in T2DM female patients (n = 122) and non-DM female controls (n = 704) by LD-100. T2DM patients aged older 40 years showed significantly lower HGS and CoTh, but not TrBMD, than non-DM counterparts. Although HGS was significantly and positively correlated with CoTh and TrBMD in T2DM patients, multivariate analysis revealed HGS as an independent factor positively associated with CoTh, but not TrBMD, in T2DM patients, suggesting the preferential association of HGS with cortical, but not trabecular, bone component in T2DM female patients. In conclusion, the present study demonstrated an early decline of HGS in T2DM female patients as compared with non-DM healthy controls after the age of 40 years, which is independently associated with thinner CoTh, but not TrBMD in T2DM patients, and thus suggested that reduced muscle strength associated with DM might be a major factor for cortical porosis development in DM patients.
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Affiliation(s)
- Miyuki Nakamura
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Masaaki Inaba
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan.
| | - Shinsuke Yamada
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Etsuko Ozaki
- Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Saori Maruo
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Senji Okuno
- Department of Nephrology, Shirasagi Hosiptal, Osaka, Japan
| | - Yasuo Imanishi
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Nagato Kuriyama
- Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoshiyuki Watanabe
- Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masanori Emoto
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Koka Motoyama
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
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