Outcome of revision surgery for adverse local tissue reactions in patients with recalled total hip arthroplasty

Christian Klemt, Sakkadech Limmahakhun, Georges Bounajem, Christopher M Melnic, Michael J Harvey, Young-Min Kwon
Archives of Orthopaedic and Trauma Surgery 2021 April 9

INTRODUCTION: Recalls of total hip arthroplasty (THA) implants, including metal-on-metal (MoM) THA and dual taper stems, due to increased risk of adverse local tissue reaction (ALTR), represent a challenge for both surgeons and patients. This study aims to analyze the revision surgery outcomes for ALTR in patients with recalled THA implants.

METHODS: A total of 118 consecutive patients who underwent revision surgery due to ALTR with recalled THA were analyzed. Sub-group analysis was performed for recalled MoM THAs, head-neck modular stems, and dual taper neck-stems.

RESULTS: At a mean follow-up of 6.6 years, the complication and reoperation rates of the recalled THAs were 32.2% and 25.4% respectively. The most common post-revision complication was dislocation (16%). Revision of modular taper corrosion THA and high-grade intraoperative tissue damage were risk factors associated with post-revision complications.

CONCLUSION: This study reports high complication and reoperation rates of recalled THAs at mid-term follow-up. The high revision surgery complication rates in both groups suggest the importance of a systematic evaluation of all THA patients with at-risk implants.

LEVEL OF EVIDENCE: Level III, case control retrospective analysis.

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