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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 HSS | Hospital for Special Surgery
HSS is the world’s leading academic medical center focused on musculoskeletal health. At its core is Hospital for Special Surgery, nationally ranked No. 1 in orthopedics (for the ninth consecutive year) and No. 3 in rheumatology by U.S.News & World Report (2018-2019). Founded in 1863, the Hospital has one of the lowest infection rates in the country and was the first in New York State to receive Magnet Recognition for Excellence in Nursing Service from the American Nurses Credentialing Center four consecutive times. The global standard total knee replacement was developed at HSS in 1969. An affiliate of Weill Cornell Medical College, HSS has a main campus in New York City and facilities in New Jersey, Connecticut and in the Long Island and Westchester County regions of New York State. In 2017 HSS provided care to 135,000 patients and performed more than 32,000 surgical procedures. People from all 50 U.S. states and 80 countries travelled to receive care at HSS. In addition to patient care, HSS leads the field in research, innovation and education. The HSS Research Institute comprises 20 laboratories and 300 staff members focused on leading the advancement of musculoskeletal health through prevention of degeneration, tissue repair and tissue regeneration. The HSS Global Innovation Institute was formed in 2016 to realize the potential of new drugs, therapeutics and devices. The culture of innovation is accelerating at HSS as 130 new idea submissions were made to the Global Innovation Institute in 2017 (almost 3x the submissions in 2015). The HSS Education Institute is the world’s leading provider of education on the topic of musculoskeletal health, with its online learning platform offering more than 600 courses to more than 21,000 medical professional members worldwide. Through HSS Global Ventures, the institution is collaborating with medical centers and other organizations to advance the quality and value of musculoskeletal care and to make world-class HSS care more widely accessible nationally and internationally.


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