Background Several studies have evaluated the impact of preoperative depression on outcomes following total joint arthroplasty (TJA), however few have studied new-onset depression or anxiety after TJA. We aimed to identify the incidence of and risk factors for new-onset depression/anxiety after TJA, specifically focusing on the role of chronic opioid use.
Methods Patients who underwent total hip (THA) or total knee (TKA) arthroplasty from 2012 to 2015 were identified from the Truven MarketScan database. The main outcomes were new-onset depression or anxiety. The main risk factor of interest was chronic opioid use as a proxy for chronic pain; this was classified into three groups: isolated preoperative use, isolated postoperative use, and preoperative use that continued postoperatively. Multivariable logistic regression models were used to obtain ORs and 95% CIs.
Results Overall, 106 260 TJA procedures were included (34.3% THA/65.7% TKA); new-onset depression and anxiety were observed in 3.6% and 4.8% of patients, respectively. Preoperative chronic opioid use (6.3%; OR 1.88, 95% CI 1.47 to 2.40), isolated postoperative use (10%; OR 2.61, 95% CI 2.08 to 3.28), and continued postoperative use (7.8%; OR 2.08, 95% CI 1.74 to 2.49) were all associated with significantly increased odds of new-onset depression. Additional risk factors included female gender, younger age, comorbid psychological conditions, and hospital readmission within 6 months of surgery. Similar patterns were seen for new-onset anxiety.
Discussion Given the observed relationship between chronic opioid use and adverse psychological outcomes following TJA, the relationship between these two entities requires further evaluation, specifically to identify if there is a causal relationship.
- chronic pain
- risk factors
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