Elevated risks of pneumonia, cognitive dysfunction, and cerebrovascular disorder in super-elderly knee arthroplasty patients: insights from a nationwide Japanese database

Key Points

• Super-elderly knee arthroplasty patients face elevated risks of pneumonia and cognitive dysfunction, indicating significant health challenges.
• Among super-elderly patients, the risk of pneumonia is 30% higher, while cognitive dysfunction appears in 25% of cases post-surgery.
• Observational analysis using a nationwide database from Japan highlights these risks in a large cohort of super-elderly knee arthroplasty patients.
• The findings support the need for tailored postoperative care to mitigate risks in this vulnerable population.