Correlation of the imaging features of femoroacetabular impingement syndrome with clinical findings and patient functional scores

Terrul L. Ratcliff, Avneesh Chhabra, Shawn O. Okpara, Parker Lawson, Samar Kayfan, Yin Xi, Edward P. Mulligan, Joel E. Wells

Research output: Contribution to journalArticlepeer-review

Abstract

The relationship among the severity of the imaging features of femoroacetabular impingement syndrome (FAIS), patient symptoms, and function has not been elucidated. Understanding this relationship helps to improve the prognostic value of imaging. The goal of this study was to examine the correlation of clinical findings, patient pain, and function with severity, as measured with radiographic and 3-dimensional magnetic resonance imaging (3D-MRI). Data collected prospectively through a longitudinally maintained hip database were reviewed, and 37 hips from 31 patients were included. All patients were examined by an experienced orthopedic surgeon, and preoperative radiographs and 3D-MRI were obtained. Preoperatively, the patients completed validated patient-reported outcome measures (PROMs). Mean±SD alpha angles were 69.4°±10.3°, 70.0°±10.3°, 70.6°±8.4°, and 74.8°±9.2° at 12 o'clock, 1 o'clock, 2 o'clock, and 3 o'clock, respectively. Mean lateral center edge angle was 30.1°±5.3°. The authors did not observe a statistically significant correlation between PROMs and the features measured by radiographs and 3D-MRI (P>.05). In this subset of prospectively imaged patients with FAIS, the authors did not find a correlation between the severity of symptoms measured by PROMs and features on radiographs and 3D-MRI. The severity of dysfunction is multifactorial, and anatomic severity, as measured radiographically and with 3D-MRI, may not correlate with symptoms. Further investigation is necessary to address the sources of patient pain.

Original languageEnglish (US)
Pages (from-to)E577-E582
JournalOrthopedics
Volume44
Issue number4
DOIs
StatePublished - Jul 2021

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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