Key result
Octogenarians undergoing total knee arthroplasty had a significantly higher incidence of postoperative complications compared to non-octogenarians (34.3% vs 7.1%; OR 6.8, 95% CI 2.4-19.1).
Why the study?
The complication rate of total knee arthroplasty in octogenarian patients and associated predictive factors needed evaluation.
Does being an octogenarian increase the risk of complications after total knee arthroplasty compared to non-octogenarians?
Cohort (n=140)
Does being an octogenarian increase the risk of complications after total knee arthroplasty compared to non-octogenarians?
Odds Ratio: 6.8 (95% CI 2.4–19.1)
Absolute Event Rate: 34.3% vs 7.1%
Octogenarians undergoing total knee arthroplasty have a significantly higher risk of postoperative complications compared to younger patients.
May warrant cautious TKA counseling in octogenarians; leaves open predictive factor validation in larger studies.
OBJECTIVE: To evaluate the complication rate of total knee arthroplasty (TKA) in octogenarian patients and identify predictive factors. METHODS: The study comprised 70 octogenarians and 70 non-octogenarian patients as control group, all submitted to TKA. We analyzed the medical records of these patients, seeking for complications during the first postoperative year. Regarding the risk factors, we evaluated: age, sex, race, American Society of Anesthesiologists score, body mass index, smoking, hypertension and diabetes mellitus. RESULTS: In the control group, the incidence of complications was 7.1%. Whereas in the octogenarian group it was significantly higher, reaching 34.3% (OR 6.8; 95% CI 2.4-19.1). We found no association to sex, skin color, and comorbidities. Age is an independent risk factor for postoperative complications. Our data may help patients to acknowledge the risks of undergoing primary TKA and physicians to assess and adjust perioperative risk. CONCLUSION: The incidence of postoperative complications is significantly higher in octogenarians.
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Souza et al. (2020) conducted a cohort in Total knee arthroplasty (n=140). Octogenarian age vs. Non-octogenarian age was evaluated on Complications during the first postoperative year (OR 6.8, 95% CI 2.4-19.1). Octogenarians undergoing total knee arthroplasty had a significantly higher incidence of postoperative complications compared to non-octogenarians (34.3% vs 7.1%; OR 6.8, 95% CI 2.4-19.1).
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