토끼에서 단측성 외고정기구를 이용한 대퇴골 신연술의 합병증

Complications of Femoral Lengthening Using Monolateral External Fixator in Rabbits

  • 송해룡 (경상대학교 의과대학 정형외과학 교실) ;
  • 황재민 (경상대학교 수의과대학 동물의학연구소) ;
  • 구자민 (경상대학교 수의과대학 동물의학연구소) ;
  • 김현희 (경상대학교 수의과대학 동물의학연구소) ;
  • 이원익 (경상대학교 수의과대학 동물의학연구소) ;
  • 김곤섭 (경상대학교 수의과대학 동물의학연구소) ;
  • 이효종 (경상대학교 수의과대학 동물의학연구소) ;
  • 장기철 (경상대학교 건강과학연구소) ;
  • 연성찬 (경상대학교 수의과대학 동물의학연구소)
  • Song, Hae-Ryong (Department of Orthopaedic Surgery, College of Medicine, Gyeongsang National University) ;
  • Hwang, Jae-Min (Institute of Animal Medicine, Gyeongsang National University) ;
  • Koo, Ja-Min (Institute of Animal Medicine, Gyeongsang National University) ;
  • Kim, Hyeon-Hui (Institute of Animal Medicine, Gyeongsang National University) ;
  • Lee, Won-Ik (Institute of Animal Medicine, Gyeongsang National University) ;
  • Kim, Gon-Sup (Institute of Animal Medicine, Gyeongsang National University) ;
  • Lee, Hyo-Jong (Institute of Animal Medicine, Gyeongsang National University) ;
  • Chang, Ki-Churl (Medical Institute of Health Science College of Medicine, Gyeongsang National University) ;
  • Yeon, Seong-Chan (Institute of Animal Medicine, Gyeongsang National University)
  • 심사 : 2002.08.29
  • 발행 : 2002.09.30

초록

단측성 외고정기구를 이용한 대퇴골 신연술의 합병증을 조사하기 위하여 30마리의 토끼를 대상으로 대퇴골 신연술을 실시하였다. 20마리의 토끼는 대퇴골 신연부의 가골이 완전 경화될 때까지 생존하였다. 10마리의 토끼는 대퇴골 신연 도중 합병증으로 인해 안락사 시켰다. 20마리의 토끼는 대퇴골 신연 비율에 따라 두 군으로 분류하였다: I군(대퇴골 길이의 10%를 신연한 군), II군(대퇴골 길이의 20%를 신연한 군). 두 군 사이에서 대퇴골 신연부위의 골경화 기간은 통계학적으로 유의적인 차이를 보이지 않았다(p=0.25). 두 군의 60%에서 골신연부위의 내반변형이 발생하였으며, I군에 비해 II군에서 보다 높은 내반각 변형을 관찰할 수 있었다. II군의 30%에서 대퇴골 내측관절융기에서 퇴행성 관절염 소견이 나타났다. 골신연을 중단했던 10마리의 토끼에서 핀 빠짐 5두, 골절 2두, 골수염 3두의 합병증이 나타났다.

Thirty rabbits underwent femoral lengthening using monolateral external fixator to evaluate results and complications of limb lengthening. Twenty rabbits survived until consolidation of callus formed at the lengthening site after finishing lengthening. Ten rabbits were sacrificed during femoral lengthening because of complications. Survived 20 rabbits were classified to two groups according the amount of lengthening: group I (10% lengthening of the femoral length); group II (20% lengthening). There was no significant difference of consolidation time between two groups (p=0.25). Varus angulation at the lengthening site occurred in 60% of two groups and the amount of varus angulation in group II was larger than that of group I. Degenerative change of articular cartilage at the medial condyle of the distal femur was found in 30% of group II. Of sacrificed ten rabbits, 5 had pin loosenings with pull an of pins from the femur, 2 had fermoral fractures around the pin-tract site, and 3 had severe osteomyelitis of the femur around the pin-tract site.

키워드

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