Low Vitamin D Status Does Not Adversely Affect Short-Term Functional Outcome After Total Hip Arthroplasty |
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| Authors: | Aasis Unnanuntana Anas Saleh Joseph T. Nguyen Thomas P. Sculco Charles N. Cornell Carol A. Mancuso Joseph M. Lane |
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| Affiliation: | ? Department of Orthopaedic Surgery, Siriraj Hospital, Mahidol University, Bangkok, Thailand;† Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York;‡ Department of Epidemiology and Biostatistics Core, Hospital for Special Surgery, New York, New York;§ Weill Cornell Medical College, Cornell University, New York, New York;‖ Department of Medicine, Hospital for Special Surgery, New York, New York |
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| Abstract: | We prospectively measured functional performances (Western Ontario and McMaster Universities Osteoarthritis Index, Short Form-36, 2-minute walk test, and timed get-up-and-go test) of patients who underwent total hip arthroplasty (THA) and had serum vitamin D levels tested during the preoperative evaluation. Of 219 patients, 102 (46.6%) had low vitamin D levels (25-hydroxyvitamin D < 30 ng/mL). Low vitamin D status did not adversely affect short-term function at 6 weeks after THA. In addition, there was no association between serum vitamin D levels and the within-patient changes of scores of each outcome measurement. Because this 6-week period is generally adequate to correct vitamin D deficiency, orthopedic surgeons can safely perform THA without delay. Nevertheless, because vitamin D deficiency impairs bone quality, patients with low vitamin D levels should be treated once identified. |
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| Keywords: | vitamin D total hip arthroplasty function WOMAC SF-36 |
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