Exercise and Vitamin D in Fall Prevention
2. Carter ND, Kannus P, Khan KM. Exercise in the prevention of falls in older people: a systematic literature review examining the rationale and the evidence. Sports Med. 2001;31(6):427-438. 3. Kemmler W, Häberle L, von Stengel S. Effects of exercise on fracture reduction in older adults: a systematic review and meta-analysis. Osteoporos Int. 2013;24(7):1937-1950. 4. Gillespie LD, Robertson MC, Gillespie WJ, et al. Interventions for preventing falls in older people living in the community. Cochrane Database Syst Rev. 2012;9:CD007146. 5. Palvanen M, Kannus P, Piirtola M, Niemi S, Parkkari J, Järvinen M. Effectiveness of the Chaos Falls Clinic in preventing falls and injuries of home-dwelling older adults: a randomised controlled trial. Injury. 2014;45(1):265-271. 6. Wicherts IS, van Schoor NM, Boeke AJ, et al. Vitamin D status predicts physical performance and its decline in older persons. J Clin Endocrinol Metab. 2007;92(6):2058-2065. 7. Bischoff-Ferrari HA, Dietrich T, Orav EJ, et al. Higher 25-hydroxyvitamin D concentrations are associated with better lower-extremity function in both active and inactive persons aged ⱖ60 y. Am J Clin Nutr. 2004;80(3):752-758. 8. Annweiler C, Schott AM, Berrut G, Fantino B, Beauchet O. Vitamin D–related changes in physical performance: a systematic review. J Nutr Health Aging. 2009;13(10):893-898. 9. Bischoff-Ferrari HA, Dawson-Hughes B, Platz A, et al. Effect of high-dosage cholecalciferol and extended physiotherapy on complications after hip fracture: a randomized controlled trial. Arch Intern Med. 2010;170(9):813-820. 10. Muir SW, Montero-Odasso M. Effect of vitamin D supplementation on muscle strength, gait and balance in older adults: a systematic review and meta-analysis. J Am Geriatr Soc. 2011;59(12): 2291-2300. 11. Robertson MC, Gillespie LD. Fall prevention in community-dwelling older adults. JAMA. 2013;309 (13):1406-1407.
Original Investigation Research
outcome data set for fall injury prevention trials: the Prevention of Falls Network Europe consensus. J Am Geriatr Soc. 2005;53(9):1618-1622.
falls, mobility, and muscle strength in older postmenopausal women: a randomized controlled trial. J Bone Miner Res. 2012;27(1):170-176.
14. Outila TA, Kärkkäinen MU, Lamberg-Allardt CJ. Vitamin D status affects serum parathyroid hormone concentrations during winter in female adolescents: associations with forearm bone mineral density. Am J Clin Nutr. 2001;74(2):206-210.
24. Sanders KM, Stuart AL, Williamson EJ, et al. Annual high-dose oral vitamin D and falls and fractures in older women: a randomized controlled trial. JAMA. 2010;303(18):1815-1822.
15. Uusi-Rasi K, Rauhio A, Kannus P, et al. Three-month weight reduction does not compromise bone strength in obese premenopausal women. Bone. 2010;46(5): 1286-1293. 16. Sievänen H, Koskue V, Rauhio A, Kannus P, Heinonen A, Vuori I. Peripheral quantitative computed tomography in human long bones: evaluation of in vitro and in vivo precision. J Bone Miner Res. 1998;13(5):871-882. 17. Guralnik JM, Simonsick EM, Ferrucci L, et al. A Short Physical Performance Battery assessing lower extremity function: association with self-reported disability and prediction of mortality and nursing home admission. J Gerontol. 1994;49 (2):M85-M94. 18. Podsiadlo D, Richardson S. The timed “Up & Go”: a test of basic functional mobility for frail elderly persons. J Am Geriatr Soc. 1991;39(2):142-148. 19. Husu P, Suni J, Pasanen M, Miilunpalo S. Health-related fitness tests as predictors of difficulties in long-distance walking among high-functioning older adults. Aging Clin Exp Res. 2007;19(6):444-450. 20. Dawson-Hughes B, Heaney RP, Holick MF, Lips P, Meunier PJ, Vieth R. Estimates of optimal vitamin D status. Osteoporos Int. 2005;16(7):713-716. 21. Holick MF, Binkley NC, Bischoff-Ferrari HA, et al; Endocrine Society. Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline [published correction appears in J Clin Endocrinol Metab. 2011;96(12):3908]. J Clin Endocrinol Metab. 2011; 96(7):1911-1930.
12. Uusi-Rasi K, Kannus P, Karinkanta S, et al. Study protocol for prevention of falls: a randomized controlled trial of effects of vitamin D and exercise on falls prevention. BMC Geriatr. 2012;12:12.
22. Lamberg-Allardt C, Brustad M, Meyer HE, Steingrimsdottir L. Vitamin D: a systematic literature review for the 5th edition of the Nordic Nutrition Recommendations. Food Nutr Res. 2013;57.
13. Lamb SE, Jørstad-Stein EC, Hauer K, Becker C; Prevention of Falls Network Europe and Outcomes Consensus Group. Development of a common
23. Glendenning P, Zhu K, Inderjeeth C, Howat P, Lewis JR, Prince RL. Effects of three-monthly oral 150,000 IU cholecalciferol supplementation on
jamainternalmedicine.com
25. Swanenburg J, de Bruin ED, Stauffacher M, Mulder T, Uebelhart D. Effects of exercise and nutrition on postural balance and risk of falling in elderly people with decreased bone mineral density: randomized controlled trial pilot study. Clin Rehabil. 2007;21(6):523-534. 26. Bunout D, Barrera G, Leiva L, et al. Effects of vitamin D supplementation and exercise training on physical performance in Chilean vitamin D deficient elderly subjects. Exp Gerontol. 2006;41(8):746-752. 27. El-Khoury F, Cassou B, Charles MA, Dargent-Molina P. The effect of fall prevention exercise programmes on fall induced injuries in community dwelling older adults: systematic review and meta-analysis of randomised controlled trials. BMJ. 2013;347:f6234. 28. Gianoudis J, Bailey CA, Ebeling PR, et al. Effects of a targeted multimodal exercise program incorporating high-speed power training on falls and fracture risk factors in older adults: a community-based randomized controlled trial. J Bone Miner Res. 2014;29(1):182-191. 29. Freiberger E, Häberle L, Spirduso WW, Zijlstra GA. Long-term effects of three multicomponent exercise interventions on physical performance and fall-related psychological outcomes in community-dwelling older adults: a randomized controlled trial. J Am Geriatr Soc. 2012;60(3):437-446. 30. Schwenk M, Lauenroth A, Stock C, et al. Definitions and methods of measuring and reporting on injurious falls in randomised controlled fall prevention trials: a systematic review. BMC Med Res Methodol. 2012;12:50. 31. Zhu K, Austin N, Devine A, Bruce D, Prince RL. A randomized controlled trial of the effects of vitamin D on muscle strength and mobility in older women with vitamin D insufficiency. J Am Geriatr Soc. 2010;58(11):2063-2068.
(Reprinted) JAMA Internal Medicine May 2015 Volume 175, Number 5
Copyright 2015 American Medical Association. All rights reserved.
Downloaded From: http://archinte.jamanetwork.com/ by a Penn State Milton S Hershey Med Ctr User on 05/24/2015
711
Research Original Investigation
Exercise and Vitamin D in Fall Prevention
Invited Commentary
Vitamin D and Falls—Fitting New Data With Current Guidelines Erin S. LeBlanc, MD, MPH; Roger Chou, MD
Vitamin D is of great interest to the medical and lay communities. Numerous observational studies (often cross-sectional) have examined the association between serum levels of 25hydroxyvitamin D (25[OH]D) and various conditions. Low levels of 25(OH)D have been associated with increased risk of falls, fractures, cardiovascular disease, colorectal cancer, type 2 diabetes mellitus, depressed Related article page 703 mood, cognitive decline, and mortality.1 However, such studies are subject to potential confounding and bias, and whether vitamin D supplementation reduces the risks of acquiring any of these conditions is less clear. Randomized clinical trials (RCTs) have not shown that vitamin D supplementation improves health, except in persons at high risk of falling, for which some studies1-4 have demonstrated a decreased risk of falls. Based on this evidence, the US Preventive Services Task Force5 (USPSTF) and the American Geriatric Society6 recommend vitamin D supplementation for persons who are at high risk of falls.
But how certain is the evidence that vitamin D supplementation reduces risk of falls in high-risk persons? An RCT by Uusi-Rasi and colleagues,7 reported in this issue of JAMA Internal Medicine, did not find that 800 IU/d of vitamin D reduced the likelihood of at-risk women falling. This RCT, one of the highest-quality studies on this topic, is an adequately powered (N = 409) 2-year trial of 800 IU/d of vitamin D with or without exercise to prevent falls in older European women (mean age, 74 years). Participants kept prospective fall diaries, which were collected monthly and abstracted using predefined fall definitions. Although vitamin D content of study pills was not tested to ensure accuracy,8 intervention fidelity was determined through testing of 25(OH)D levels, which showed a significant rise in the intervention group compared with the control group during the trial. How does this well-conducted negative trial fit with the evidence on which the USPSTF based its recommendation for vitamin D supplementation to reduce fall risk? Updating the USPSTF review meta-analysis with this trial and other new data
Figure. Vitamin D Supplementation vs Placebo and Risk of Falls, Stratified by Baseline Vitamin D Level Vitamin D Study or Subgroup
Events
Total
Placebo Events
Total
Low Vitamin D Levels (90% of Population
2. Carter ND, Kannus P, Khan KM. Exercise in the prevention of falls in older people: a systematic literature review examining the rationale and the evidence. Sports Med. 2001;31(6):427-438. 3. Kemmler W, Häberle L, von Stengel S. Effects of exercise on fracture reduction in older adults: a systematic review and meta-analysis. Osteoporos Int. 2013;24(7):1937-1950. 4. Gillespie LD, Robertson MC, Gillespie WJ, et al. Interventions for preventing falls in older people living in the community. Cochrane Database Syst Rev. 2012;9:CD007146. 5. Palvanen M, Kannus P, Piirtola M, Niemi S, Parkkari J, Järvinen M. Effectiveness of the Chaos Falls Clinic in preventing falls and injuries of home-dwelling older adults: a randomised controlled trial. Injury. 2014;45(1):265-271. 6. Wicherts IS, van Schoor NM, Boeke AJ, et al. Vitamin D status predicts physical performance and its decline in older persons. J Clin Endocrinol Metab. 2007;92(6):2058-2065. 7. Bischoff-Ferrari HA, Dietrich T, Orav EJ, et al. Higher 25-hydroxyvitamin D concentrations are associated with better lower-extremity function in both active and inactive persons aged ⱖ60 y. Am J Clin Nutr. 2004;80(3):752-758. 8. Annweiler C, Schott AM, Berrut G, Fantino B, Beauchet O. Vitamin D–related changes in physical performance: a systematic review. J Nutr Health Aging. 2009;13(10):893-898. 9. Bischoff-Ferrari HA, Dawson-Hughes B, Platz A, et al. Effect of high-dosage cholecalciferol and extended physiotherapy on complications after hip fracture: a randomized controlled trial. Arch Intern Med. 2010;170(9):813-820. 10. Muir SW, Montero-Odasso M. Effect of vitamin D supplementation on muscle strength, gait and balance in older adults: a systematic review and meta-analysis. J Am Geriatr Soc. 2011;59(12): 2291-2300. 11. Robertson MC, Gillespie LD. Fall prevention in community-dwelling older adults. JAMA. 2013;309 (13):1406-1407.
Original Investigation Research
outcome data set for fall injury prevention trials: the Prevention of Falls Network Europe consensus. J Am Geriatr Soc. 2005;53(9):1618-1622.
falls, mobility, and muscle strength in older postmenopausal women: a randomized controlled trial. J Bone Miner Res. 2012;27(1):170-176.
14. Outila TA, Kärkkäinen MU, Lamberg-Allardt CJ. Vitamin D status affects serum parathyroid hormone concentrations during winter in female adolescents: associations with forearm bone mineral density. Am J Clin Nutr. 2001;74(2):206-210.
24. Sanders KM, Stuart AL, Williamson EJ, et al. Annual high-dose oral vitamin D and falls and fractures in older women: a randomized controlled trial. JAMA. 2010;303(18):1815-1822.
15. Uusi-Rasi K, Rauhio A, Kannus P, et al. Three-month weight reduction does not compromise bone strength in obese premenopausal women. Bone. 2010;46(5): 1286-1293. 16. Sievänen H, Koskue V, Rauhio A, Kannus P, Heinonen A, Vuori I. Peripheral quantitative computed tomography in human long bones: evaluation of in vitro and in vivo precision. J Bone Miner Res. 1998;13(5):871-882. 17. Guralnik JM, Simonsick EM, Ferrucci L, et al. A Short Physical Performance Battery assessing lower extremity function: association with self-reported disability and prediction of mortality and nursing home admission. J Gerontol. 1994;49 (2):M85-M94. 18. Podsiadlo D, Richardson S. The timed “Up & Go”: a test of basic functional mobility for frail elderly persons. J Am Geriatr Soc. 1991;39(2):142-148. 19. Husu P, Suni J, Pasanen M, Miilunpalo S. Health-related fitness tests as predictors of difficulties in long-distance walking among high-functioning older adults. Aging Clin Exp Res. 2007;19(6):444-450. 20. Dawson-Hughes B, Heaney RP, Holick MF, Lips P, Meunier PJ, Vieth R. Estimates of optimal vitamin D status. Osteoporos Int. 2005;16(7):713-716. 21. Holick MF, Binkley NC, Bischoff-Ferrari HA, et al; Endocrine Society. Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline [published correction appears in J Clin Endocrinol Metab. 2011;96(12):3908]. J Clin Endocrinol Metab. 2011; 96(7):1911-1930.
12. Uusi-Rasi K, Kannus P, Karinkanta S, et al. Study protocol for prevention of falls: a randomized controlled trial of effects of vitamin D and exercise on falls prevention. BMC Geriatr. 2012;12:12.
22. Lamberg-Allardt C, Brustad M, Meyer HE, Steingrimsdottir L. Vitamin D: a systematic literature review for the 5th edition of the Nordic Nutrition Recommendations. Food Nutr Res. 2013;57.
13. Lamb SE, Jørstad-Stein EC, Hauer K, Becker C; Prevention of Falls Network Europe and Outcomes Consensus Group. Development of a common
23. Glendenning P, Zhu K, Inderjeeth C, Howat P, Lewis JR, Prince RL. Effects of three-monthly oral 150,000 IU cholecalciferol supplementation on
jamainternalmedicine.com
25. Swanenburg J, de Bruin ED, Stauffacher M, Mulder T, Uebelhart D. Effects of exercise and nutrition on postural balance and risk of falling in elderly people with decreased bone mineral density: randomized controlled trial pilot study. Clin Rehabil. 2007;21(6):523-534. 26. Bunout D, Barrera G, Leiva L, et al. Effects of vitamin D supplementation and exercise training on physical performance in Chilean vitamin D deficient elderly subjects. Exp Gerontol. 2006;41(8):746-752. 27. El-Khoury F, Cassou B, Charles MA, Dargent-Molina P. The effect of fall prevention exercise programmes on fall induced injuries in community dwelling older adults: systematic review and meta-analysis of randomised controlled trials. BMJ. 2013;347:f6234. 28. Gianoudis J, Bailey CA, Ebeling PR, et al. Effects of a targeted multimodal exercise program incorporating high-speed power training on falls and fracture risk factors in older adults: a community-based randomized controlled trial. J Bone Miner Res. 2014;29(1):182-191. 29. Freiberger E, Häberle L, Spirduso WW, Zijlstra GA. Long-term effects of three multicomponent exercise interventions on physical performance and fall-related psychological outcomes in community-dwelling older adults: a randomized controlled trial. J Am Geriatr Soc. 2012;60(3):437-446. 30. Schwenk M, Lauenroth A, Stock C, et al. Definitions and methods of measuring and reporting on injurious falls in randomised controlled fall prevention trials: a systematic review. BMC Med Res Methodol. 2012;12:50. 31. Zhu K, Austin N, Devine A, Bruce D, Prince RL. A randomized controlled trial of the effects of vitamin D on muscle strength and mobility in older women with vitamin D insufficiency. J Am Geriatr Soc. 2010;58(11):2063-2068.
(Reprinted) JAMA Internal Medicine May 2015 Volume 175, Number 5
Copyright 2015 American Medical Association. All rights reserved.
Downloaded From: http://archinte.jamanetwork.com/ by a Penn State Milton S Hershey Med Ctr User on 05/24/2015
711
Research Original Investigation
Exercise and Vitamin D in Fall Prevention
Invited Commentary
Vitamin D and Falls—Fitting New Data With Current Guidelines Erin S. LeBlanc, MD, MPH; Roger Chou, MD
Vitamin D is of great interest to the medical and lay communities. Numerous observational studies (often cross-sectional) have examined the association between serum levels of 25hydroxyvitamin D (25[OH]D) and various conditions. Low levels of 25(OH)D have been associated with increased risk of falls, fractures, cardiovascular disease, colorectal cancer, type 2 diabetes mellitus, depressed Related article page 703 mood, cognitive decline, and mortality.1 However, such studies are subject to potential confounding and bias, and whether vitamin D supplementation reduces the risks of acquiring any of these conditions is less clear. Randomized clinical trials (RCTs) have not shown that vitamin D supplementation improves health, except in persons at high risk of falling, for which some studies1-4 have demonstrated a decreased risk of falls. Based on this evidence, the US Preventive Services Task Force5 (USPSTF) and the American Geriatric Society6 recommend vitamin D supplementation for persons who are at high risk of falls.
But how certain is the evidence that vitamin D supplementation reduces risk of falls in high-risk persons? An RCT by Uusi-Rasi and colleagues,7 reported in this issue of JAMA Internal Medicine, did not find that 800 IU/d of vitamin D reduced the likelihood of at-risk women falling. This RCT, one of the highest-quality studies on this topic, is an adequately powered (N = 409) 2-year trial of 800 IU/d of vitamin D with or without exercise to prevent falls in older European women (mean age, 74 years). Participants kept prospective fall diaries, which were collected monthly and abstracted using predefined fall definitions. Although vitamin D content of study pills was not tested to ensure accuracy,8 intervention fidelity was determined through testing of 25(OH)D levels, which showed a significant rise in the intervention group compared with the control group during the trial. How does this well-conducted negative trial fit with the evidence on which the USPSTF based its recommendation for vitamin D supplementation to reduce fall risk? Updating the USPSTF review meta-analysis with this trial and other new data
Figure. Vitamin D Supplementation vs Placebo and Risk of Falls, Stratified by Baseline Vitamin D Level Vitamin D Study or Subgroup
Events
Total
Placebo Events
Total
Low Vitamin D Levels (90% of Population
