Same-Day Discharge Total Hip and Knee Arthroplasty: Trends, Complications, and Readmission Rates

In total, 1,789,601 patients were identified, with 2.9% of TKAs and 2.2% of THAs discharged the same day of surgery.

• The annual rate of same-day discharge (SDD) for total hip arthroplasty (THA) and total knee arthroplasty (TKA) is increasing, with a mean annual change of 15.8% for SDD-THA and 11.1% for SDD-TKA.
• Patients discharged the same day tend to be younger and have fewer existing health conditions compared to those who are not discharged the same day.
• There is a slightly higher risk of complications requiring readmission for SDD-TKA compared to non-SDD-TKA, with an odds ratio of 1.14.
• No significant difference in readmission complications was observed between SDD-THA and non-SDD-THA patients.
• SDD-THA patients have higher rates of mechanical complications but lower rates of pulmonary embolisms compared to SDD-TKA patients.

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