Journal of the Korean Orthopaedic Association (대한정형외과학회지)

Korean Orthopaedic Association (대한정형외과학회)
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Risk Factor for Poor Clinical Outcome in Patients with Retear after Repair of the Rotator Cuff

회전근 개 파열 봉합술 후 재파열 환자에서 불량한 임상 결과의 원인 인자

  • Lee, Hee Jae (Department of Orthopedic Surgery, Hanyang University College of Medicine) ;
  • Joo, Il Han (Department of Orthopedic Surgery, Hanyang University College of Medicine) ;
  • Hur, Jeong Min (Department of Orthopedic Surgery, Hanyang University College of Medicine) ;
  • Oh, Hyun Keun (Department of Orthopedic Surgery, Hanyang University College of Medicine) ;
  • Lee, Bong Gun (Department of Orthopedic Surgery, Hanyang University College of Medicine)
  • 이희제 (한양대학교 의과대학 정형외과학교실) ;
  • 주일한 (한양대학교 의과대학 정형외과학교실) ;
  • 허정민 (한양대학교 의과대학 정형외과학교실) ;
  • 오현근 (한양대학교 의과대학 정형외과학교실) ;
  • 이봉근 (한양대학교 의과대학 정형외과학교실)
  • Received : 2020.01.12
  • Accepted : 2020.07.26
  • Published : 2021.02.28
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Abstract

Purpose: To evaluate the prognostic factors affecting poor functional outcomes in patients with retear after rotator cuff repair. Materials and Methods: From January 2013 to December 2018, among 631 patients who underwent arthroscopic repair of a rotator cuff tear, 42 patients, who could be followed-up for more than one year and showed a retear of the repaired cuff on magnetic resonance imaging (MRI), were collected retrospectively. The preoperative demographic data, range of motion, American Shoulder and Elbow Surgeons (ASES) score, fatty degeneration, and tear progression on postoperative MRI, as well as other factors that could affect the clinical outcomes, were analyzed. Patients who scored <80 points on the ASES score were allocated to the poor function group. The risk factors for poor clinical outcomes were compared with the group with ASES scores of 80 or above. Results: The postoperative functional results in the group with retear (n=42) after arthroscopic rotator cuff repair showed significant improvement. Univariate analysis revealed the preoperative visual analogue scale (VAS) score and tear progression to have associations with a poor shoulder function. In addition, subscapularis repair was found to be associated with a good shoulder function. The preoperative VAS score and tear progression except for subscapularis repair were independent factors associated with poor clinical outcomes according to multivariate logistic regression analysis. Conclusion: In patients with retear after rotator cuff repair, the preoperative VAS and tear progression in postoperative MRI are factors predicting a poor functional outcome.

목적: 관절경적 회전근 개 봉합술 후 재파열이 확인된 환자를 분석하여 불량한 임상 결과에 영향을 미치는 원인 인자를 평가하고자 하였다. 대상 및 방법: 2013년 1월부터 2018년 12월까지 회전근 개 파열로 관절경적 회전근 개 봉합술을 시행 받은 631명의 환자 중 1년 이상 외래 추시를 하고 추시 자기공명영상(magnetic resonance imaging, MRI) 검사상 재파열이 확인된 42예의 환자 데이터를 후향적으로 수집하였다. 수술 전후 운동 범위, 관절경하 건의 파열 정도 및 양상, MRI 검사상 파열 및 재파열의 크기, 파열의 진행 여부, 지방 변성 정도 등 환자의 기능적 결과에 영향을 줄 수 있는 요인을 측정하고 기능적 결과는 American Shoulder and Elbow Surgeons (ASES) 점수로 평가하였다. 불량한 임상 결과에 영향을 주는 인자를 찾기 위해 ASES 점수가 80점 미만인 군을 불량한 임상 결과의 군으로 정의한 뒤 80점 이상인 군과 비교하여 불량한 임상 결과의 위험 인자를 평가하였다. 결과: 관절경적 회전근 개 봉합술 후 재파열이 확인된 군(n=42)의 수술 후 임상 결과는 수술 전에 비하여 의미 있게 호전되었다. 단변량 분석상 수술 전 visual analogue scale (VAS) 점수, 파열의 진행은 불량한 임상 결과와 연관이 있었고 동반된 견갑하건의 봉합은 양호한 임상 결과와 연관이 있었다. 하지만 다변량 로지스틱 분석에서 견갑하건의 봉합을 제외한 수술 전 VAS 점수 및 파열의 진행만이 불량한 임상 결과에 대해 통계적 유의성을 보였다. 결론: 수술 전 VAS 점수와 추시 MRI 검사에서 회전근 개 파열의 진행은 관절경적 회전근 개 봉합술 후 재파열을 진단받은 환자의 불량한 임상 결과와 연관 있는 위험 인자이다.

Keywords

References

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