Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-Analysis

Exercise is a recognized component in the prevention and therapy of osteoporosis. The present systematic review and meta-analysis aimed to determine the effect of Vitamin D (Vit-D) added to exercise versus exercise alone on bone mineral density (BMD) at the lumbar spine (LS) or hip in older adults....

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Main Authors: Cecilie Fischer, Franz Jakob, Matthias Kohl, Stephanie Kast, Simon Von Stengel, Katharina Kerschan-Schindl, Uwe Lange, Friederike Thomasius, Stefan Peters, Michael Uder, Wolfgang Kemmler
Format: Article
Language:English
Published: Wiley 2023-01-01
Series:Journal of Osteoporosis
Online Access:http://dx.doi.org/10.1155/2023/5570030
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author Cecilie Fischer
Franz Jakob
Matthias Kohl
Stephanie Kast
Simon Von Stengel
Katharina Kerschan-Schindl
Uwe Lange
Friederike Thomasius
Stefan Peters
Michael Uder
Wolfgang Kemmler
author_facet Cecilie Fischer
Franz Jakob
Matthias Kohl
Stephanie Kast
Simon Von Stengel
Katharina Kerschan-Schindl
Uwe Lange
Friederike Thomasius
Stefan Peters
Michael Uder
Wolfgang Kemmler
author_sort Cecilie Fischer
collection DOAJ
description Exercise is a recognized component in the prevention and therapy of osteoporosis. The present systematic review and meta-analysis aimed to determine the effect of Vitamin D (Vit-D) added to exercise versus exercise alone on bone mineral density (BMD) at the lumbar spine (LS) or hip in older adults. A systematic review based on six literature databases according to PRISMA included (a) exercise trials, with an exercise (EX) and a combined exercise + Vit-D group (EX + Vit-D), (b) intervention ≥ 6 months, and (c) BMD assessments at LS or hip. Effects sizes (MD) and 95%-confidence intervals (95%-CI) were calculated using a random-effect model that includes the inverse heterogeneity model (IVhet). Five studies with 281 participants in the EX and 279 participants in the EX + Vit-D were included. No significant differences between EX versus EX + Vit-D were observed for BMD-LS (MD: 0.002, 95%-CI: −0.033 to 0.036) or BMD-hip (MD: 0.003, 95%-CI: −0.035 to 0.042). Heterogeneity between the trial results was moderate-substantial for LS (I2 = 0%) and moderate for hip-BMD (I2 = 35%). The funnel plot analysis suggests evidence for a publication/small study bias for BMD-LS and hip results. In summary, this present systematic review and meta-analysis were unable to determine significant positive interaction of exercise and Vit-D on LS- or hip-BMD. We predominately attribute this finding to (1) the less bone-specific exercise protocols of at least two of the five studies and (2) the inclusion criteria of the studies that did not consequently focus on Vit-D deficiency. This issue should be addressed in more detail by adequately powered exercise trials with promising exercise protocols and participants with Vit-D deficiency. This trial is registered with the International Prospective Register of Systematic Reviews (PROSPERO) ID: CRD42022309813.
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spelling doaj-art-26b3c8b4bde94428ae610ee25c085eb32025-02-03T06:48:29ZengWileyJournal of Osteoporosis2042-00642023-01-01202310.1155/2023/5570030Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-AnalysisCecilie Fischer0Franz Jakob1Matthias Kohl2Stephanie Kast3Simon Von Stengel4Katharina Kerschan-Schindl5Uwe Lange6Friederike Thomasius7Stefan Peters8Michael Uder9Wolfgang Kemmler10Institute of RadiologyBernhard-Heine-Centrum für BewegungsforschungDepartment of Medical and Life SciencesInstitute of RadiologyInstitute of RadiologyAustrian Society for Bone and Mineral ResearchGerman Society for Physical and Rehabilitative MedicineOsteology Umbrella Association GermanyGerman Association for Health-Related Fitness and Exercise Therapy (DVGS) e.V.Institute of RadiologyInstitute of RadiologyExercise is a recognized component in the prevention and therapy of osteoporosis. The present systematic review and meta-analysis aimed to determine the effect of Vitamin D (Vit-D) added to exercise versus exercise alone on bone mineral density (BMD) at the lumbar spine (LS) or hip in older adults. A systematic review based on six literature databases according to PRISMA included (a) exercise trials, with an exercise (EX) and a combined exercise + Vit-D group (EX + Vit-D), (b) intervention ≥ 6 months, and (c) BMD assessments at LS or hip. Effects sizes (MD) and 95%-confidence intervals (95%-CI) were calculated using a random-effect model that includes the inverse heterogeneity model (IVhet). Five studies with 281 participants in the EX and 279 participants in the EX + Vit-D were included. No significant differences between EX versus EX + Vit-D were observed for BMD-LS (MD: 0.002, 95%-CI: −0.033 to 0.036) or BMD-hip (MD: 0.003, 95%-CI: −0.035 to 0.042). Heterogeneity between the trial results was moderate-substantial for LS (I2 = 0%) and moderate for hip-BMD (I2 = 35%). The funnel plot analysis suggests evidence for a publication/small study bias for BMD-LS and hip results. In summary, this present systematic review and meta-analysis were unable to determine significant positive interaction of exercise and Vit-D on LS- or hip-BMD. We predominately attribute this finding to (1) the less bone-specific exercise protocols of at least two of the five studies and (2) the inclusion criteria of the studies that did not consequently focus on Vit-D deficiency. This issue should be addressed in more detail by adequately powered exercise trials with promising exercise protocols and participants with Vit-D deficiency. This trial is registered with the International Prospective Register of Systematic Reviews (PROSPERO) ID: CRD42022309813.http://dx.doi.org/10.1155/2023/5570030
spellingShingle Cecilie Fischer
Franz Jakob
Matthias Kohl
Stephanie Kast
Simon Von Stengel
Katharina Kerschan-Schindl
Uwe Lange
Friederike Thomasius
Stefan Peters
Michael Uder
Wolfgang Kemmler
Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-Analysis
Journal of Osteoporosis
title Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-Analysis
title_full Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-Analysis
title_fullStr Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-Analysis
title_full_unstemmed Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-Analysis
title_short Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-Analysis
title_sort additive effects of exercise and vitamin d supplementation with and without calcium on bone mineral density in older adults a systematic review and meta analysis
url http://dx.doi.org/10.1155/2023/5570030
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