Influence of Season, Ethnicity, and Chronicity on Vitamin D Deficiency in Traumatic Spinal Cord Injury

REFERENCES

• Bauman WA, Zhong YG, Schwartz E. Vitamin D deficiency in veterans with chronic spinal cord injury. Metabolism. 1995; 44(12): 1612–1616.
   PubMed Web of Science ®Google Scholar
• Vaziri ND, Pandian MR, Segal JL, Winer RL, Eltorai I, Brunnemann S. Vitamin D, parathormone, and calcitonin profiles in persons with long-standing spinal cord injury. Arch Phys Med Rehabil. 1994; 75(7): 766–769.
   PubMed Web of Science ®Google Scholar
• Oleson CV, Chen D, Wuermser LA. Vitamin D Deficiency in Traumatic Spinal Cord Injury: Conference Proceedings of Contemporary Diagnosis and Treatment of Vitamin D-Related Disorder. American Society of Bone and Mineral Research, 2006; 41.
   Google Scholar
• Heaney RP, Abrams S, Dawson-Hughes B, et al. Peak bone mass. Osteoporosis Int. 2000; 11(12): 985–1009.
   PubMed Web of Science ®Google Scholar
• Heaney RP. Lessons for nutritional science from vitamin D. Am J Clin Nutr. 1999; 69(5): 825–826.
   PubMed Web of Science ®Google Scholar
• Heaney RP, Dowell MS, Hale CA, Bendich A. Calcium absorption varies within the reference range for serum 25-hydroxyvitamin D. J Am Coll Nutr. 2003; 22(2): 142–146.
   PubMed Web of Science ®Google Scholar
• Heaney RP. Functional indices of vitamin D status and ramifications of vitamin D deficiency. Am J Clin Nutr. 2004; 80(6 suppl): 1706S–1709S.
   PubMed Web of Science ®Google Scholar
• 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.
   PubMed Web of Science ®Google Scholar
• Norman AW, Bouillon R, Whiting SJ, Vieth R, Lips P. Thirteenth workshop consensus for vitamin D nutritional guidelines. J Steroid Biochem Mol Biol. 2007; 103(3-5): 204–205.
   PubMed Web of Science ®Google Scholar
• Lensmeyer GL, Binkley N, Drezner MK. New horizons for assessment of vitamin D status in man. In: Seibel MJ, Robins SP, Bilezikian JP, eds. Dynamics of Bone and Cartilage Metabolism. 2nd ed. San Diego, CA: Academic Press; 2006: 513–527.
   Google Scholar
• University of Alabama at Birmingham. Reference ranges for common laboratory tests. In: UAB Laboratory Handbook. Birmingham, AL: University of Alabama at Birmingham; 2005.
   Google Scholar
• Binkley N, Krueger D, Cowgill CS, et al. Assay variation confounds the diagnosis of hypovitaminosis D: a call for standardization. J Clin Endocrinol Metab. 2004; 89(7): 3152–3157.
   PubMed Web of Science ®Google Scholar
• Boas SR, Hageman JR, Ho LT, Liveris M. Very high-dose ergocalciferol is effective for correcting vitamin D deficiency in children and young adults with cystic fibrosis. J Cystic Fibrosis. 2009; 8(4): 270–272.
   PubMed Web of Science ®Google Scholar
• Parfitt AM. Osteomalacia and related disorders. In: Avioli LV, Krane SM, eds. Metabolic Bone Disease and Clinically Related Disorders. 2nd ed. Philadelphia, PA: WB Saunders; 1990: 329–396.
   Google Scholar
• Thomas MK, Lloyd-Jones DM, Thadhania Rl, et al. Hypovitaminosis D in medical inpatients. N Engl J Med. 1998; 338(12): 777–783.
   PubMed Web of Science ®Google Scholar
• Vieth R. The role of vitamin D in the prevention of osteoporosis. Ann Med. 2005; 37(4): 278–285.
   PubMed Web of Science ®Google Scholar
• MacLaughlin J, Holick MF. Aging decreases the capacity of human skin to produce vitamin D3. J Clin Invest. 1985; 76(4): 1536–1538.
   PubMed Web of Science ®Google Scholar
• Standing Committee on the Scientific Evaluation of Dietary Reference Intakes. Dietary Reference Intakes: Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride. Washington, DC: National Academy Press; 1997.
   Google Scholar
• Mulder JE, Kulak CA, Shane E. Secondary osteoporosis. In: Siebel MJ, Robins SP, Bilezikian JP, eds. Dynamics of Bone and Cartilage Metabolism. San Diego, CA: Academic Press; 2006: 717–737.
   Google Scholar
• Garland DE, Stewart CA, Adkins RH, et al. Osteoporosis after spinal cord injury. J Orthop Res. 1992; 10(3): 371–378.
   PubMed Web of Science ®Google Scholar
• Biering-Sorensen F, Bohr H, Schaadt O. Bone mineral content of the lumbar spine and lower extremities years after spinal cord lesion. Paraplegia. 1988: 26(5);293–301.
   PubMedGoogle Scholar
• Ragnarsson KT, Sell GH. Lower extremity fractures after spinal cord injury: a retrospective study. Arch Phys Med Rehabil. 1981; 62(9): 418–423.
   PubMed Web of Science ®Google Scholar
• Demirel G, Yilmaz N, Paker N, Onel S. Osteoporosis after spinal cord injury. Spinal Cord. 1998; 36(12): 822–825.
   PubMed Web of Science ®Google Scholar
• Bauman WA, Spungen AN, Wang J, Pierson RN, Schwartz E. Continuous loss of bone during chronic immobilization: a monozygotic twin study. Osteoporos Int. 1999; 10(2): 123–127.
   PubMed Web of Science ®Google Scholar
• Harris SS, Dawson-Hughes B. Seasonal changes in plasma 25-hydroxyvitamin D concentrations of young American black and white women. Am J Clin Nutr. 1998; 67(6): 1232–1236.
   PubMed Web of Science ®Google Scholar
• Holick MF. Vitamin D: the underappreciated D-lightful hormone that is important for skeletal and cellular health. Current Opin Endocrinol Diabetes. 2002; 9(1): 87–98.
   Google Scholar
• Holick MF. Environmental factors that influence the cutaneous production of vitamin D. Am J Clin Nutr. 1995; 61 (suppl 3): 638S–645S.
   PubMed Web of Science ®Google Scholar
• National Weather Service. Available at: www.srh.noaa.gov/bmx. Accessed April 10, 2005.
   Google Scholar
• Preece MA. Tomlinson S, Ribut CA, et al. Studies of vitamin D deficiency in man. QJ Med. 1975; 44(176): 575–589.
   PubMedGoogle Scholar
• Dlugos DJ, Perrotta PL, Horn WG. Effects of the submarine environment on renal-stone risk factors and vitamin D metabolism. Undersea Hyperbaric Med. 1995; 22(2): 145–152.
   PubMed Web of Science ®Google Scholar
• University of Alabama at Birmingham Spinal Cord Injury Care System. Birmingham, AL; 2006.
   Google Scholar
• American Spinal Injury Association. International Standards for Neurological Classification of Spinal Cord Injury. Chicago, IL: ASIA; 2002.
   Google Scholar
• Cavalier E, Rozet E, Gadisseur R, et al. Measurement uncertainty of 25-OH vitamin D determination with different commercially available kits: impact on the clinical cut offs. Osteoporos Int. 2010; 21(6): 1047–1051.
   PubMed Web of Science ®Google Scholar
• Holick MF. Sunlight and vitamin D for bone health and prevention of autoimmune diseases, cancers, and cardiovascular disease. Am J Clin Nutr. 2004; 80(suppl 6): 1678S–1688S.
   PubMed Web of Science ®Google Scholar
• Holick MF. Vitamin D: importance in the prevention of cancers, type I diabetes, heart disease, and osteoporosis. Am J Clin Nutr. 2004; 79(3): 362–371.
   PubMed Web of Science ®Google Scholar
• Kiebzak GM, Moore N, Margolis S, Hollis B, Kevorkian CG. Vitamin D status of patients admitted to a hospital rehabilitation unit: relationship to function and progress. Am J Phys Med Rehabil. 2007; 86(6): 435–445.
   PubMed Web of Science ®Google Scholar
• Pepe J, Romagnoli E, Nofroni I, et al. Vitamin D status as the major factor determining the circulating levels of parathyroid hormone: a study in normal subjects. Osteoporos Int. 2005; 16(7): 805–812.
   PubMed Web of Science ®Google Scholar
• Grados F, Brazier M, Kamel S, et al. Effects on bone mineral density of calcium and vitamin D supplementation in elderly women with vitamin D deficiency. Joint Bone Spine. 2003; 70(3): 203–208.
   PubMed Web of Science ®Google Scholar
• Valimaki MJ, Tiihonen M, Laitinen K, et al. Bone mineral density measured by dual-energy x-ray absorptiometry and novel markers of bone formation and resorption in patients on antiepileptic drugs. J Bone Miner Res. 1994; 9(5): 631–637.
   PubMed Web of Science ®Google Scholar
• Fitzpatrick LA. Pathophysiology of bone loss in patients receiving anticonvulsant therapy. Epilepsy Behav. 2004; 5(suppl 2): S3–S15.
   PubMedGoogle Scholar
• Hahn TJ, Hendin BA, Scharp CR, Haddad JG. Effect of chronic anticonvulsant therapy on serum 25-hydroxycho-lecalciferol levels in adults. N Eng J Med. 1972; 287(18): 900–904.
   PubMed Web of Science ®Google Scholar
• Vieth R, Kimball S, Hu A, Walfish PG. Randomized comparisons of the effects of the vitamin D3 adequate intake versus 100 meg (4,000 IU) per day on biochemical responses and the wellbeing of patients. Nutrj. 2004; 3(Jul 19): 8.
   Google Scholar
• Lips P, Chapuy MC, Dawson-Hughes B, Pols HA, Holick MF. An international comparison of serum 25-hydroxyvitamin D measurements. Osteoporos Int. 1999; 9(5): 394–397.
   PubMed Web of Science ®Google Scholar
• Glendenning P, Taranto M, Noble JM, et al. Current assays overestimate 25-hydroxyvitamin D3 and underestimate 25-hydroxyvitamin D2 compared with HPLC: need for assay-specific decision limits and metabolite-specific assays. Ann Clin Biochem. 2006; 43(pt 1): 23–30.
   PubMed Web of Science ®Google Scholar
• US Department of Health and Human Services and US Department of Agriculture. Dietary Guidelines for Americans. 6th ed. Washington, DC: US Government Printing Office; 2005. Available at: www.healthierus.gov/dietaryguidelines. Accessed December 18, 2006.
   Google Scholar
• US Department of Agriculture. Report of the Dietary Guidelines Advisory Committee on the Dietary Guidelines for Americans, 2005. August 2004. Available at: http://www.health.gov/DietaryGuidelines/dga2005/report/. Accessed December 18, 2006.
   Google Scholar
• National Osteoporosis Foundation. Physician's Guide to Prevention and Treatment of Osteoporosis. 2003. Available at: http://www.nof.org/professionals/Clinicians_Guide.htm. Accessed December 18, 2006.
   Google Scholar
• Vestergaard P, Krogh K, Rejnmark L, Mosekilde L. Fracture rates and risk factors for fractures in patients with spinal cord injury. Spinal Cord. 1998; 36(11): 790–796.
   PubMed Web of Science ®Google Scholar
• Nance PW, Schryvers O, Leslie W, Ludwig S, Krahn J, Uebelhart D. Intravenous pamidronate attenuates bone density loss after acute spinal cord injury. Arch Phys Med Rehabil. 1999; 80(3): 243–251.
   PubMed Web of Science ®Google Scholar
• Uebelhart D, Demiaux-Domenech B, Roth M, Chantraine A. Bone metabolism in spinal cord injured individuals and in others who have prolonged immobilization: a review. Paraplegia. 1995; 33(11): 669–673.
   PubMedGoogle Scholar
• Hartman TJ, Albert PS, Snyder K, et al. Oral vitamin D3 and calcium for secondary prevention of low-trauma fractures in elderly people (Randomized evaluation of calcium or vitamin D, RECORD): A randomized placebo—controlled trial. J Nutr. 2005; 135(2): 252–259.
   PubMed Web of Science ®Google Scholar
• Giovannucci E. The epidemiology of vitamin D and cancer incidence and mortality: a review (United States). Cancer Causes Control. 2005; 16(2): 83–95.
   PubMed Web of Science ®Google Scholar
• Robsahm TE, Tretli S, Dahlback A, Moan J. Vitamin D3 from sunlight may improve the prognosis of breast, colon, and prostate cancer (Norway). Cancer Causes Control. 2004; 15(2): 149–158.
   PubMed Web of Science ®Google Scholar
• Giovannucci E, Liu Y, Rimm EB, et al. Prospective study of predictors of vitamin D status and cancer incidence and mortality in men. J Natl Cancer Inst. 2006; 98(7): 451–459.
   PubMed Web of Science ®Google Scholar
• Mowe M, Haug E, Bohmer T. Low serum calcidiol concentration in older adults with reduced muscular function. I Am Geriatr Soc. 1999; 47(2): 220–226.
   PubMed Web of Science ®Google Scholar
• Bischoff HA, Stahelin HB, Dick W, et al. Effects of vitamin D and calcium supplementation on falls: a randomized controlled trial. J Bone Miner Res. 2003; 18(2): 343–351.
   PubMed Web of Science ®Google Scholar
• Pfeifer M, Begerow B, Minne HW, et al. Vitamin D status, trunk muscle strength, body sway, falls, and fractures among 237 postmenopausal women with osteoporosis. Exp Clin Endocrinol Diabetes. 2001; 109(2): 87–92.
   PubMed Web of Science ®Google Scholar
• Ziambaras K, Dagogo-Jack S. Reversible muscle weakness in patients with vitamin D deficiency. West J Med. 1997; 167(6): 435–439.
   PubMedGoogle Scholar
• Plotnikoff GA, Quigley BA. Prevalence of severe hypo-vitaminosis D in patients with persistent, nonspecific musculoskeletal pain. Mayo Clin Proc. 2003; 78(12): 1463–1470.
   PubMed Web of Science ®Google Scholar
• Gloth FM III, Tobin JD. Vitamin D deficiency in older people. J Am Geriatr Soc. 1995; 43(7): 822–828.
   PubMed Web of Science ®Google Scholar
• Holick MF. The role of vitamin D for bone health and fracture prevention. Curr Osteoporos Rep. 2006; 4(3): 96–102.
   PubMedGoogle Scholar
• Vieth R, Chan PC, MacFarlane GD. Efficacy and safety of vitamin D3 intake exceeding the lowest observed adverse effect level. Am J Clin Nutr. 2001; 73(2): 288–294.
   PubMed Web of Science ®Google Scholar
• Vieth R. Vitamin D supplementation, 25-hydroxyvitamin D concentrations, and safety. Am J Clin Nutr. 1999; 69(5): 842–856.
   PubMed Web of Science ®Google Scholar
• Trang HM, Cole DE, Rubin LA, Pierrator A, Siu S, Vieth R. Evidence that vitamin D3 increases serum 25-hydroxyvitamin D more efficiently than does vitamin D2. Am J Clin Nutr. 1998; 68(4): 854–858.
   PubMed Web of Science ®Google Scholar