Clinics in Shoulder and Elbow

Korean Shoulder and Elbow Society (대한견·주관절의학회)
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The Thickness of Normal and Repaired Rotator-cuff Measured in MRI

자기 공명 영상에서 측정한 정상 및 봉합된 회전근 개의 두께

  • Kim, Jung-Man (Department of Orthopaedic Surgery, Kangnam St. Mary's Hospital. The Catholic University of Korea, College of Medicine) ;
  • Kim, Yang-Soo (Department of Orthopaedic Surgery, Kangnam St. Mary's Hospital. The Catholic University of Korea, College of Medicine) ;
  • Kwon, Yong-Jin (Department of Orthopaedic Surgery, Kangnam St. Mary's Hospital. The Catholic University of Korea, College of Medicine) ;
  • Yoo, Ju-Seok (Department of Orthopaedic Surgery, Kangnam St. Mary's Hospital. The Catholic University of Korea, College of Medicine) ;
  • Jung, Hyun-Woo (Department of Orthopaedic Surgery, Kangnam St. Mary's Hospital. The Catholic University of Korea, College of Medicine)
  • 김정만 (가톨릭 대학교 의과대학 강남성모병원 정형외과) ;
  • 김양수 (가톨릭 대학교 의과대학 강남성모병원 정형외과) ;
  • 권용진 (가톨릭 대학교 의과대학 강남성모병원 정형외과) ;
  • 유주석 (가톨릭 대학교 의과대학 강남성모병원 정형외과) ;
  • 정현우 (가톨릭 대학교 의과대학 강남성모병원 정형외과)
  • Published : 2007.06.15
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Abstract

Purpose: To compare the thickness of the repaired full-thickness rotator-cuff tear to that of normal rotator-cuff in young and old persons and evaluate the relationship between the tear size and the repaired thickness in the full-thickness tear using MRI. Materials and Methods: The thickness of the rotator-cuff of the repaired full thickness tear(age: $45{\sim}77$, mean 63.3 years, 19 patients: group 1) were compared with those of old intact patients(age: $46{\sim}69$, mean 57.9 years, 23 patients: group 2) and young intact patients (age: $18{\sim}30$, mean 23.3 years, 22 patients: group 3). The tear length and width was measured in oblique coronal and oblique sagittal view of MRA, respectively, and the thickness was measured in coronal oblique view 15mm anterior to the posterolateral margin of the glenoid. Correlation between the preoperative tear size (the bigger one between the length and the width) and the postoperative thickness in group 1 was also evaluated statistically. Results: The postoperative rotator-cuff thickness in group 1 was 3.0 mm in average, which was inversely proportional to the preoperative tear size (P<0.001). The rotator-cuff thickness was 3.9mm in group 2 and 5.0mm in group 3, and there was statistically significant difference among the three groups(P<0.05). Conclusion: The rotator-cuff thickness decreases with age and the postoperative thickness in the full-thickness tear was inversely proportional to the tear size, smaller than that of the intact rotator-cuff.

목적: 회전근 개 전층 파열의 봉합술 후 회전근 개의 두께를 자기 공명 영상에서 측정하여 파열이 없는 젊은 층 및 장노년층 대조군과 비교하고 술 전 파열의 정도와의 상관 관계를 알아보고자 하였다. 대상 및 방법: 본원에서 시행한 회전근 개 전층 파열에 대한 봉합술 시행 후 자기 공명 영상을 시행하였던 19예의 환자($45{\sim}77$세, 평균 63.3세)를 제 1군, 파열이 없는 환자들 중 제 1군과 비슷한 장,노년기 환자 23예를 제 2군($46{\sim}69$세, 평균 57.9세), 30세 이하의 청년기 환자 22예를 제 3군($18{\sim}30$세, 평균 23.3세)으로 하여 각 군의 회전근 개의 두께를 비교하였다. 제 1군에서 파열의 길이는 자기 공명 관절 조영술 사위 관상면 영상에서, 넓이는 사위 시 상면에서 측정하여 그 중 큰 값을 파열의 크기로 하였고, 회전근 개의 두께는 관절와 후외연으로부터 전방 15 mm 지점의 사위 관상면에서 측정하였다. 또한, 제 1군의 파열의 크기와 술 후 회전근 개의 두께와의 상관 관계를 알아보았다. 결과: 제 1군의 술 후 회전근 개의 평균 두께는 3.0 mm였고, 술 전 파열의 크기와 회전근 개의 두께는 반비례하였으며(P<0.001), 제 2군, 제 3군의 회전근 개의 두께는 각각 3.9 mm, 5.0 mm로 세 군의 두께가 통계적으로 유의한 차이를 보였다(P<0.05). 결론: 회전근 개의 두께는 연령이 많을수록 작았고 전층 파열 봉합술 후 두께는 술 전 파열의 크기와 반비례하였으며 정상군에 비해 작았다.

Keywords

References

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