Hip Pelvis.  2020 Mar;32(1):17-25. 10.5371/hp.2020.32.1.17.

Midterm-clinical Outcomes after Hip Arthroscopy in Middle-aged Patients with Early Osteoarthritis

Affiliations
  • 1Department of Orthopaedic Surgery, Chungnam National University School of Medicine, Daejeon, Korea. dshwang@cnu.ac.kr
  • 2Department of Orthopaedic Surgery, Yanbian University Hospital, Yanji, China.

Abstract

PURPOSE
Although the number of hip arthroscopies is rapidly increasing in non-elderly patients, outcomes of this procedure in middle-aged patients are not well documented or clearly understood. The purpose of this study was to evaluate the clinical and radiological outcomes after hip arthroscopy in middle-aged patients with early osteoarthritis.
MATERIALS AND METHODS
This retrospective study analyzed 189 patients with early osteoarthritis of various diagnoses aged 40 years or older who underwent hip arthroscopy between January 2010 and December 2015. Clinical (e.g., modified Harris hip score [mHHS], hip outcome score-activities of daily living [HOS-ADL], visual analogue scale [VAS] for pain, range of motion) and radiological (change of Tönnis grade) outcomes were assessed at a minimum of 3-year follow-up.
RESULTS
The mean preoperative and final mHHS and HOS-ADL improved from 61.2 and 60.6 to 79.5 and 81.8, respectively, while the VAS pain score decreased from 6.3 to 3.2 (P<0.001). Although the mean range of internal rotation and flexion increased from 14.2 and 100.7° preoperatively to 30.4 and 110.6° at 1-year postoperatively, they decreased slightly to 27.4 and 105.4° at the final follow-up, respectively. Eight cases (4.2%) underwent revision arthroscopic surgery and three cases (1.6%) were converted to total hip arthroplasty.
CONCLUSION
Patients with early-stage osteoarthritis of various diagnoses achieved improved clinical outcomes. Therefore, using hip arthroscopy in middle-aged patients with early osteoarthritis, it is possible to achieve good surgical options.

Keyword

Osteoarthritis; Hip arthroscopic surgery; Middle aged; Tönnis grade

MeSH Terms

Arthroplasty, Replacement, Hip
Arthroscopy*
Diagnosis
Follow-Up Studies
Hip*
Humans
Middle Aged
Osteoarthritis*
Retrospective Studies
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