Incidence of Femoroacetabular Impingement and Surgical Management Trends Over Time

Rena F. Hale, Heath P. Melugin, Jun Zhou, Matthew D. LaPrade, Christopher Bernard, Devin Leland, Bruce A. Levy, Aaron J. Krych

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Background: Femoroacetabular impingement (FAI) is a well-known cause of hip pain in adolescents and young adults. However, the incidence in the general population has not been clearly defined. Purpose: To (1) define the population-based incidence of diagnosis of FAI in patients with hip pain, (2) report the trends in diagnosis of FAI over time, and (3) determine the changes in the rate and type of surgical management over time. Study Design: Cohort study; Level of evidence, 3. Methods: A geographic database was used to identify patients who were 14 to 50 years old with hip pain between the years 2000 and 2016. Chart and radiographic review was performed to determine which patients had FAI. To be included, patients had to have a triad of clinical symptoms, physical examination signs, and imaging findings consistent with FAI. Medical records were reviewed to obtain demographic information, clinical history, physical examination findings, imaging details, and treatment details. Statistical analysis determined the overall age- and sex-adjusted annual incidence of FAI diagnosis and trends over time. Results: There were 1893 patients evaluated with hip pain, and 716 (38%; 813 hips) had diagnosed FAI. The mean ± SD age was 27.2 ± 8.4 years, and 67% were female. The incidence of FAI diagnosis was 54.4 per 100,000 person-years. Female patients had a higher incidence than male patients (73.2 vs 36.1 per 100,000 person-years; P <.01). Incidence of FAI diagnosis were higher from 2010 to 2016 (72.6 per 100,000 person-years; P <.01) as compared with 2005 to 2009 (45.3) and 2000 to 2004 (40.3). Hip arthroscopy, surgical hip dislocation, and periacetabular osteotomy utilization increased from the 2000-2004 to 2010-2016 periods, respectively: 1 (1%) to 160 (20%; P =.04), 2 (1%) to 37 (5%; P =.01), and 1 (1%) to 22 (3%; P =.58). Conclusion: The overall incidence of FAI diagnosis was 54.4 per 100,000 person-years, and it consistently increased between 2000 and 2016. Female patients had a higher incidence than male patients. The utilization of joint preservation operations, including hip arthroscopy, surgical hip dislocation, and anteverting periacetabular osteotomy, increased over time.

Original languageEnglish (US)
Pages (from-to)35-41
Number of pages7
JournalAmerican Journal of Sports Medicine
Volume49
Issue number1
DOIs
StatePublished - Jan 2021

Keywords

  • femoroacetabular impingement
  • hip pain
  • incidence

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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