Conference Coverage

Shoulder arthritis surgery: Depression complicates care


 

AT AAOS 2022

Patients undergoing primary reverse shoulder arthroplasty (RSA) for their glenohumeral osteoarthritis had more complications of care and higher hospital costs when they also had a diagnosis of depression, new data show.

The abstract was presented at the annual meeting of the American Academy of Orthopedic Surgeons.

Researchers, led by Keith Diamond, MD, an orthopedic surgeon at Maimonides Medical Center in New York, queried a private payer database looking for patients who had primary RSA for treatment of glenohumeral OA and also had a diagnosis of depressive disorder (DD) from 2010 to 2019. Patients without DD served as the controls.

Dr. Keith Diamond, an orthopedic surgeon at Maimonides Medical Center in Brooklyn, New York

Dr. Keith Diamond

After the randomized matching with controls at a 1:5 ratio, the study consisted of 28,410 patients: 4,084 in the DD group and 24,326 in the control group.

Researchers found that patients with depression had longer hospital stays (3 vs. 2 days, P = .0007). They also had higher frequency and odds of developing side effects within the period of care (47.4% vs. 14.7%; odds ratio, 2.27; 95% CI, 2.10-2.45, P < .0001).

Patients with depression also had significantly higher rates of medical complications surrounding the surgery and costs were higher ($19,363 vs. $17,927, P < .0001).

Pneumonia rates were much higher in patients with DD (10% vs. 1.8%; OR, 2.88; P < .0001).

Patients with depression had higher odds of cerebrovascular accident (3.1% vs. 0.7%; OR, 2.69, P < .0001); myocardial infarctions (2% vs. 0.4%; OR, 2.54; P < .0001); acute kidney injuries (11.1% vs. 2.3%; OR, 2.11, P < .0001); surgical site infections (4.4% vs. 2.4%; OR, 1.52, P < .0001); and other complications, the authors wrote.

Dr. Diamond said in an interview that there may be a few potential reasons for the associations.

In regard to the strong association with pneumonia, Dr. Diamond hypothesized, “patients with depression can be shown to have lower respiratory drive. If a patient isn’t motivated to get out of bed, that can lead to decreased inflation of the lungs.”

Acute kidney injury could be linked with depression-related lack of self-care in properly hydrating, he said. Surgical site infections could come from suboptimal hygiene related to managing the cast after surgery, which may be more difficult when patients also struggle with depression.

Dr. Grant Garrigues, an associate professor at Rush University Medical Center in Chicago, and director of upper extremity research

Dr. Grant Garrigues

Asked to comment on Dr. Diamond’s study, Grant Garrigues, MD, an associate professor at Rush University Medical Center, Chicago, and director of upper extremity research, told this news organization the study helps confirm known associations between depression and arthritis.

“We know that people with depression and anxiety feel pain differently,” he said. “It might have to do with your outlook – are you catastrophizing or thinking it’s a minor inconvenience? It’s not that it’s just in your head – you physically feel it differently. That is something we’re certainly attuned to. We want to make sure the mental health part of the picture is optimized as much as possible.”

He added that there is increasing evidence of links between depression and the development of arthritis.

“I’m not saying that everyone with arthritis has depression, but with arthritis being multifactorial, there’s a relatively high incidence of symptomatic arthritis in patients with depression,” Dr. Garrigues said.

“We think it may have something to do with the fight-or-flight hormones in your body that may be revved up if you are living in a stressful environment or are living with a mental health problem. Those will actually change – on a cellular and biochemical basis – some of the things that affect arthritis.”

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