Vitamin D and Functional Outcomes After Total Hip Arthroplasty (THA)

Completed

Conditions studied: Vitamin D Deficiency

In brief

The investigators would like to evaluate the effect of serum 25-hydroxy vitamin D level on post-operative short-term functional outcomes after total hip arthroplasty (THA). Hypothesis: Patients with low serum vitamin D level will have less within-patient improvement in pre- to 6 week, 1 year, 2 year and 5 year post THA WOMAC scores, SF-36 scores, and performance-based tests(get up and go test and 2 minute walking test) compared to patients who do not have a low vitamin D levels. Also, Patients with low serum vitamin D level will have a higher rate of postoperative thigh pain or periprosthetic fracture.

Key facts

Study ID

NCT01397383

Run by

Hospital for Special Surgery, New York

People needed

219

Starts

2010-03-01

Expected to finish

2014-02-03

Last updated by the study team

2017-03-20

Who can join

Age: 40 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Patients between the ages of 40 and 100 years old, and are scheduled for primary total hip arthroplasty with two surgeons (Drs. Sculco and Cornell) at Hospital for Special Surgery.
• Patients who have a serum 25-OH vitamin D drawn as part of their preoperative work-up.

You may not qualify if…

• Bilateral one-stage total hip replacements
• Patients who required a complex surgical procedure including extensive bone grafting, osteotomy, extensive soft tissue release, or a need of adjunctive internal fixation with cables, wires or plate
• Those with serious medical co-morbidities that need adjusted rehabilitation protocol due to their medical problems
• Those who require immediate postoperative revision due to dislocation, infection or component malalignment

Where it is running

• Hospital for Special Surgery — New York, New York, United States

Full record on ClinicalTrials.gov

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