Obesity may limit overall function 2 years after shoulder replacement surgery

November 07, 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>

Key Study Findings

The study results included: "This data suggests that in the normal BMI patient group who are active, that their overall physical function may have been limited due to shoulder pain," said Dr. Li. "Therefore, a total shoulder replacement was able to provide this patient population (normal BMI) with improved shoulder function which resulted in a better physical function.

"Total shoulder arthroplasty is an excellent procedure for pain relief and functional improvement in patients with shoulder arthritis," said Dr. Li.
-end-
Disclosure: None of the authors received payments or services, either directly or indirectly (i.e., via his or her institution), from a third party in support of any aspect of this work. One or more of the authors, or his or her institution, has had a financial relationship, in the thirty-six months prior to submission of this work, with an entity in the biomedical arena that could be perceived to influence or have the potential to influence what is written in this work. No author has had any other relationships, or has engaged in any other activities, that could be perceived to influence or have the potential to influence what is written in this work.

The American Academy of Orthopaedic Surgeons (AAOS) has more information on shoulder replacement surgery at http://www.orthoinfo.org.

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American Academy of Orthopaedic Surgeons

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