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Obesity may limit overall function 2 years after shoulder replacement surgery
Date:11/7/2013

Rosemont, Ill. Patients with obesity undergo a disproportionately higher number of elective orthopaedic surgeries in the U.S. Obesity has been linked to higher costs, complications, infections and revisions in total knee and total hip replacement surgeries. In a new study published in the Journal of Bone and Joint Surgery, researchers looked at the impact of obesity on the costs and outcomes of total shoulder arthroplasty (TSA) surgery.

"Our study found that with short-term follow-up, obesity does not have a detrimental effect on functional outcomes and complication rates in patients after TSA," said orthopaedic surgeon and lead study author Xinning Li, MD. "In the normal body mass index (BMI) patient group, both the shoulder function and the overall physical function improved after TSA. However, among patients diagnosed with obesity, we found that the shoulder function improved after TSA, but the overall physical function did not improve at final follow-up."

Specific Study Details

The study involved 76 shoulder arthroplasty (replacement) patients who were grouped according to body mass index (BMI). Patients with a BMI of <25 kg/m were classified as "normal" (26 patients); those with a BMI of 25 to 29.9 kg/m, "overweight" (25 patients); and ≥30 kg/m, "obese" (25 patients). Preoperative demographics and complications during and after surgery were recorded. Patients were assessed before surgery, and at two years after surgery, through the American Shoulder and Elbow Surgeons (ASES) questionnaire for pain and function; the Physical Component Summary (PCS) Short Form-36, a more comprehensive assessment of overall function; and analog pain scores.

Key Study Findings

The study results included:

  • Pain diminished comparably in all weight groups at two years post-surgery: from a score of 62 to 12 in the normal weight group, 68 to 18 in the overweight group, and 66 to 11 in the obese gro
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Contact: Lauren Pearson Riley
pearson@aaos.org
847-384-4031
American Academy of Orthopaedic Surgeons
Source:Eurekalert

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