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It is not clear whether bilateral hip replacement should be done in 1 or 2 stages. The total number of total hip replacements (THRs) done in our center between 1989 and 1995 was approximately 4,000. The number of hips that were bilateral was 404, or 9% of the total number of THRs performed during this time period. Of these bilateral hip replacements, 190 (95 patients) were done as a 1-stage procedure, whereas 214 (107 patients) were done in 2 stages with 2 to 24 months in between the operations. In contrast to previous studies, there were no significant preoperative differences between the 2 groups of patients having 1-stage or 2-stage THRs, and, in particular, the comorbidity assessed by the American Society of Anesthesiologists (ASA) grade was not significantly different. Our results demonstrate that, in our patient population, bilateral THR was equally safe whether performed as a 1-stage or 2-stage procedure. This was the case in the low-risk (ASA 1 and 2) and high-risk (ASA 3 and 4) patient subgroups. One-stage bilateral THR is cheaper and involves less time in the hospital.

Original publication

DOI

10.1016/s0883-5403(99)90099-2

Type

Journal article

Journal

The Journal of arthroplasty

Publication Date

06/1999

Volume

14

Pages

439 - 445

Addresses

Nuffield Orthopaedic Centre, Oxford, United Kingdom.

Keywords

Humans, Postoperative Complications, Prosthesis Failure, Length of Stay, Arthroplasty, Replacement, Hip, Risk Factors, Case-Control Studies, Hip Prosthesis, Time Factors, Aged, Middle Aged, Female, Male