McMaster University

McMaster University

Arthroscopic Surgery for Synovial Chondromatosis of the Hip

We are pleased to share with you a recent publication in Journal of Arthroscopy . This publication is entitled "Arthroscopic Surgery for Synovial Chondromatosis of the Hip: A Systematic Review of Rates and Predisposing Factors for Recurrence".

Find the abstract below and click here to access the full-version of the article.

de Sa D, Horner NS, MacDonald A, Simunovic N, Ghert MA, Philippon MJ, Ayeni OR.Arthroscopic Surgery for Synovial Chondromatosis of the Hip: A Systematic Review of Rates and Predisposing Factors for Recurrence. Arthroscopy. 2014 Jul 23. [Epub ahead of print]

Abstract

PURPOSE:
Synovial chondromatosis of the hip is a benign condition whereby pain and functional limitations occur due to numerous intra-articular osteochondral fragments produced by a metaplastic synovium. Recurrence not only worsens morbidity but may lead to malignant transformation. With reported recurrence rates as high as 22% by open surgical approaches and given the increasing use of hip arthroscopy for the treatment of synovial chondromatosis, we sought to quantify the recurrence rate after arthroscopy, as well as identify predisposing factors for recurrence.

METHODS:
Using predetermined inclusion criteria, 3 electronic databases-Embase, Medline, and PubMed-were searched for relevant articles addressing arthroscopic surgery for synovial chondromatosis of the hip across all available dates up to and including February 16, 2014. A hand search of the reference sections of the included studies was also completed. Article screening was conducted in duplicate. Reviewer agreement statistics and descriptive statistics of the included studies are presented.

RESULTS:
From an initial retrieval of 2,542 studies, 14 studies satisfied the criteria for inclusion. A total of 197 patients (age range, 13 to 81 years) underwent hip arthroscopy for removal of intra-articular osteochondral fragments and synovectomy to alleviate both mechanical symptoms and pain. Follow-up periods ranged from 1 to 184 months, with approximately 7.6% of patients (15 of 197) lost to follow-up. The recurrence rate after hip arthroscopy was 7.1% (14 of 197), and the rate of minor complications, such as perineal and pedal neurapraxia, was 1%.

CONCLUSIONS:
For synovial chondromatosis of the hip, arthroscopic removal of osteochondral fragments with synovectomy is both safe and effective, with a mean recurrence rate of 7.1%.

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