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Study illustrates role of hip arthroscopy after hip resurfacing arthroplasty

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LYON, France — Results from a study of 68 patients with pain after hip resurfacing who underwent subsequent hip arthroscopy showed 7% of patients with an arthroscopy-confirmed diagnosis were later revised to total hip replacement, compared with almost 40% of patients who had no definitive diagnosis before hip arthroscopy.

“Hip arthroscopy after hip resurfacing arthroplasty is a valuable diagnostic and therapeutic tool. Patients with a definitive diagnosis do very well, and most patients with a severe metal-metal reaction will end up having a subsequent total knee replacement,” Omer Mei-Dan, MD, said at the International Society for Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine Biennial Congress.

All of the patients in the study were initially evaluated with ultrasound, radiography and blood sample testing. Most of the patients were women. Overall, the patients had an average age of 58 years, and the mean time to arthroscopy after hip resurfacing was 5 years.

Omer Mei-Dan

The researchers had an established diagnosis confirmed and address by arthroscopy in 41 patients. The majority of these patients had iliopsoas tendinosis or excessive metal wear, Mei-Dan said. Within this cohort, three patients did not improve due to severe metallosis and were revised to a total hip replacement (THR).

In the overall study group, a second cohort of 27 patients did not have a definitive diagnosis prior to arthroscopy. Most of these patients had a synovial reaction, and 10 had a failed arthroscopy and underwent THR. – by Gina Brockenbrough, MA

Reference:

Pascual-Garrido C, et al. Paper #110. Presented at: International Society for Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine Biennial Congress; June 7-11, 2015; Lyon, France.

Disclosure: Mei-Dan reports that he is a paid consultant for and receives research support from ArthroCare.