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J Hip Preserv Surg. 2015 Jun 13;2(3):295-302. doi: 10.1093/jhps/hnv037. eCollection 2015 Oct.

Hip arthroscopy in patients with recurrent pain following Bernese periacetabular osteotomy for acetabular dysplasia: operative findings and clinical outcomes.

Journal of hip preservation surgery

Gregory L Cvetanovich, Benton E Heyworth, Kerri Murray, Yi-Meng Yen, Mininder S Kocher, Michael B Millis

Affiliations

  1. 1. Rush University Medical Center, Department of Orthopaedic Surgery, 1611 W. Harrison Street, Suite 201, Chicago, IL 60612, USA and.
  2. 2. Children's Hospital Boston, Department of Orthopaedic Surgery, 300 Longwood Avenue, Fegan 2, Boston, MA 02115, USA.

PMID: 27011852 PMCID: PMC4765306 DOI: 10.1093/jhps/hnv037

Abstract

To report the operative findings and outcomes of hip arthroscopy for recurrent pain following periacetabular osteotomy (PAO) for acetabular dysplasia. A departmental database was used to identify patients who underwent hip arthroscopy following PAO between 2000 and 2009. Demographic data, arthroscopic findings, functional outcome scores and patient satisfaction were analysed. Of 556 PAO patients, 17 hips in 16 patients (3.1%) underwent post-PAO hip arthroscopy. Mean age at PAO was 23.8 years, and mean age at arthroscopy was 27.0 years. Common hip arthroscopy findings included labral tears (13 hips, 81.3%), significant (≥grade 2) chondral changes (12 hips, 75%), cam impingement (7 hips, 43.8%) and pincer impingement (6 hips, 37.5%). At mean follow-up 2.8 years after arthroscopy, additional procedures had been performed in six hips (37.5%), including total hip arthroplasty in one hip. Post-PAO arthroscopy questionnaire revealed 85.7% of patients with improved hip pain, 57.1% improved hip stiffness and 57.1% improved hip function. There was no significant difference in functional outcome measures. Common post-PAO hip arthroscopy findings include labral tears, chondral changes and femoroacetabular impingement. Many patients reported subjective hip improvement from post-PAO arthroscopy, but hip outcome scores were unchanged and one-third of patients had further surgery.

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