Largest Single Surgeon Study Reveals Benefits of Hip Arthroscopy

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Dr. Benjamin Domb's research from more than 1,000 hip arthroscopies demonstrates critical patient improvements.

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Dr. Benjamin Domb, founder of the American Hip Institute®, released study results of the largest series of patients undergoing hip arthroscopy by a single surgeon at the annual meeting of the American Orthopaedic Society for Sports Medicine. The study of 1,155 performed arthroscopies took place from February 2008 to June 2012 and included a two-year minimum follow-up. Data was collected on patients undergoing primary or revision hip arthroscopy. The results demonstrate statistically significant improvement in patient reported outcomes, decreased patient pain and increased patient satisfaction.

Other joints, such as knees that are easier to access arthroscopically, are more established in orthopaedic literature. However, from 1999 to 2009 there was an estimated eighteen-fold increase in hip arthroscopies. With this dramatic increase and all signs pointing to a continuing trend, it is imperative to evaluate patient outcomes of hip arthroscopy to aid in selecting the appropriate patients.

Of the 1,155 arthroscopies, 1,038 were available for follow-up throughout the two-year period. 931 were primary arthroscopies and 107 were revision arthroscopies. Overall there were 328 males and 593 females in the study.

The study shows that there is a statistically significant improvement in patient outcomes from preoperative to the two-year postoperative mark for both primary and revision hip arthroscopies. When comparing the primary and revision groups, those patients that received primary hip arthroscopy had significantly higher outcomes at three months, one year and two years following surgery. Additionally, patients reported less pain and increased satisfaction. At final follow-up, a staggering 94.4% of patients had avoided a hip replacement.

All surgeries were performed by Dr. Domb in Chicago, Illinois, between 2008 and 2012. Qualified patients were given detailed physical examinations along with x-rays and the indications for surgery were predominantly labral tears with mechanical symptoms and failure of conservative treatment. All surgeries were performed in the modified supine position using a minimum of two portals, anterolateral and mid-anterior. Following surgery, patients were fitted with hip braces, given weight-bearing restrictions, placed in either a continuous passive motion machine or recumbent bike daily for eight weeks and given physician therapy appropriate to the procedure received.


About Dr. Domb and American Hip Institute®
Dr. Benjamin Domb is the premier orthopedic surgeon specializing in sports medicine and arthroscopic surgery of the hip. With his evidence-based approach, Dr. Domb tackles what was once unrecognizable and untreatable in the field. Dr. Domb is also the founder of the renowned American Hip Institute®, a non-profit foundation dedicated to education, research and cutting-edge minimally-invasive treatment for patients with hip pain. The Institute is devoted to training surgeons as future leaders through the Institute’s Comprehensive Hip Fellowship, the annual Chicago Hip Symposium and educational materials for surgeons. For more information, please visit and

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Morgan Janes
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