Functional Discharge Criteria In Total Hip Arthroplasty. What Makes The Difference For Overnight Hospital Stay In Our Center?

Overnight total hip arthroplasty is becoming common in our center. Despite all the patients are under the same protocol, which includes a funcional discharge criteria, not all the patients leave the hospital the day after the surgical procedure. We conducted a study evaluating a group of patients who stayed one night, compared to a matched pair regarding age, body mass index and sex. Group 1 mean age was 61.4 years-old (SD 9.3), Group 2 was 60.8 years-old (SD 9.6); 10 women and 20 men each group, BMI was 28.1 (SD 3.7) and 27.8 (SD 3.6) for Groups 1 and 2 respectively. Patients who stayed only 1 night after THA were found to have higher levels of preoperative hemoglobin, had uncommonly 2 or more major comorbidities, and the operation was predominantly performed by anterior approach.