Study: Arthroscopic Hip Surgery Benefits Adolescents with Hip Impingement

San Diego, CA—March 16, 2017

This study looks at arthroscopic surgery to treat hip impingement, known as femoroacetabular impingement (FAI), in the adolescent population. Impingement occurs when the hip joint is not functioning properly due to an anatomical abnormality. It is increasingly recognized as a significant cause of hip pain and disability. Impingement has also been linked to the development of early arthritis.

While arthroscopic treatment has been demonstrated to provide a high level of clinical success in adults, there has been little evidence on how children and adolescents fared after the procedure. Researchers at Hospital for Special Surgery looked at arthroscopic treatment outcomes in the pediatric population, average age 16.5 years. "Our study used modern statistical methods to determine if adolescents’ showed meaningful outcome improvement after arthroscopic FAI surgery," explained Anil Ranawat, MD, sports medicine surgeon at HSS and senior investigator. "We found that the majority of adolescents undergoing arthroscopic hip surgery rated their hip function as ‘much improved.’ Additionally, analysis of self-reported outcome scores demonstrated that the majority of adolescents surveyed had reached a clinically substantial level of functional improvement."

Paper #637: Does Hip Arthroscopy Provide Meaningful Outcome Improvement for Adolescent Femoroacetabular Impingement? Benedict Nwachukwu MD, Brenda Chang MPH, Cynthia Kahlenberg MD, Kara Fields MS,
Danyal Nawabi MD, Bryan Kelly MD, Anil Ranawat, MD.

About Hospital for Special Surgery
Hospital for Special Surgery (HSS) is the world’s leading academic medical center focused on musculoskeletal health. HSS is nationally ranked No. 1 in orthopedics and No. 2 in rheumatology by U.S. News & World Report (2016-2017), and is the first hospital in New York State to receive Magnet Recognition for Excellence in Nursing Service from the American Nurses Credentialing Center four consecutive times. HSS has one of the lowest infection rates in the country. HSS is an affiliate of Weill Cornell Medical College and as such all Hospital for Special Surgery medical staff are faculty of Weill Cornell. The hospital's research division is internationally recognized as a leader in the investigation of musculoskeletal and autoimmune diseases. Hospital for Special Surgery is located in New York City and online at


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