The Effects the Composite Differences of the Transferred Vascular Tissues and the Surgical Delay on the Vascularization of the Prefabricated Cutaneous Flap

전위혈관조직의 성상과 외과적 지연처치가 선조작 피부피판의 혈관화에 미치는 효과

  • Kim, Sang Bum (Department of Plastic & Reconstructive Surgery College of Medicine, Korea University) ;
  • Won, Chang Hoon (Department of Plastic & Reconstructive Surgery College of Medicine, Korea University) ;
  • Dhong, Eun Sang (Department of Plastic & Reconstructive Surgery College of Medicine, Korea University) ;
  • Han, Seung Kyu (Department of Plastic & Reconstructive Surgery College of Medicine, Korea University) ;
  • Park, Seung Ha (Department of Plastic & Reconstructive Surgery College of Medicine, Korea University) ;
  • Kim, Woo Kyung (Department of Plastic & Reconstructive Surgery College of Medicine, Korea University) ;
  • Kim, Young Jo (Orange Plastic and Aesthetic Surgery Clinics) ;
  • Lee, Byung Il (Department of Plastic & Reconstructive Surgery College of Medicine, Korea University)
  • 김상범 (고려대학교 의과대학 성형외과학교실) ;
  • 원창훈 (고려대학교 의과대학 성형외과학교실) ;
  • 동은상 (고려대학교 의과대학 성형외과학교실) ;
  • 한승규 (고려대학교 의과대학 성형외과학교실) ;
  • 박승하 (고려대학교 의과대학 성형외과학교실) ;
  • 김우경 (고려대학교 의과대학 성형외과학교실) ;
  • 김영조 (오렌지 성형외과) ;
  • 이병일 (고려대학교 의과대학 성형외과학교실)
  • Received : 2004.12.30
  • Published : 2005.05.10

Abstract

This study was designed to investigate the effect of the surgical delay in the prefabricated cutaneous flap. Abdominal skin flaps (n=40), $4.5{\times}6.0cm$ in size, were created by the subcutaneous implantation of a saphenous vascular tissue in the male Sprague-Dawley rats. In the groups 1 and 2, the pedicle was skeletonized. In the groups 3 and 4, perivascular muscle cuff or gracilis fascia was retained, respectively. Six weeks later, each flap was elevated as an island flap and reposed in place. All flaps of the group 2 had a 72-hours of delay period. Five days after the flap repositioning, estimation of flap viability, microangiographies, and histological evaluation of vessel development were performed. The groups 2 and 3 showed higher viability in flap survival. The dilated choke vessels and fully developed vascular network were observed in the flap of the group 2, but not typically seen in the other groups. New vessels around the implanted pedicle were more developed in the group 2. Amount of the vessels in the mid-portion of the flap was significantly increased in the groups 2 and 4. In conclusion, the delay procedure enhanced the viability, and its effect was dependent on the new vessel formation around the implanted pedicle.

Keywords

References

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