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September 21, 2020
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Same-day hip resurfacing arthroplasty offers THA alternative for young, active patients

Compared with the inpatient procedure, same-day discharge hip resurfacing arthroplasty has similar infection rates, periprosthetic fractures, ED visits and readmissions with shorter hospital stays, according to study results.

Lidia Ani, MD, and colleagues from the department of orthopedic surgery at NYU Langone Orthopedic Hospital retrospectively analyzed data for 274 unilateral hip resurfacing arthroplasty (HRA) procedures (260 patients) between January 2012 and March 2018. HRAs were performed using the Birmingham Hip Resurfacing System (Smith & Nephew), according to the study.

SDD HRA infographic
"Given the similar demographics of SDD HRA and non-SDD HRA patients in this study, the authors suggest that SDD HRA can be broadened to include an increasing number of HRA patients."

Ani and colleagues found no differences in clinical or demographic characteristics between the same-day discharge (SDD) HRA group (63 procedures) and the non-SDD HRA group (211 procedures). Mean surgical time for the SDD HRA group was 125.51 minutes compared with 104.74 minutes for the non-SDD HRA group. However, 98.41% of SDD HRA recipients (62 procedures) were discharged on the same day, while 56.87% of non-SDD HRA recipients required a hospital stay of 2 days or more.

Readmission rates were 1.59% (one procedure) for the SDD HRA group and 1.90% (four procedures) for the non-SDD HRA group. Infection rates were 1.59% (one procedure) for the SDD HRA group and 1.42% (three procedures) for the non-SDD HRA group. The non-SDD HRA group had one periprosthetic fracture and one ED visit, while the SDD HRA group reported neither.

“HRA is an alternative to [THA] in well-informed and selected patients, but prior to this study the outcomes of SDD HRA compared with inpatient HRA had not yet been directly evaluated,” the researchers wrote. “The major benefit of SDD is a shorter hospital stay that may lead to decreased cost while preserving and enhancing quality of care and patient satisfaction,” they wrote.

“Given the similar demographics of SDD HRA and non-SDD HRA patients in this study, the authors suggest that SDD HRA can be broadened to include an increasing number of HRA patients.”