학술논문
종양수술전 화학요법이 미세수술시 피판생존율에 미치는 영향
이용수 9
- 영문명
- EFFECT OF INDUCTION CHEMOTHERAPY ON FLAP SURVIVAL RATE IN MICROSURGERY
- 발행기관
- 대한구강악안면외과학회
- 저자명
- 김욱규(Uk-Kyu Kim) 김용덕(Yong-Deok Kim) 변준호(June-Ho Byun) 신상훈(Sang-Hun Shin) 정인교(In-Kyo Chung)
- 간행물 정보
- 『대한구강악안면외과학회지』대한구강악안면외과학회지 제29권 제6호, 421~429쪽, 전체 9쪽
- 주제분류
- 의약학 > 내과학
- 파일형태
- 발행일자
- 2003.12.30
4,000원
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국문 초록
영문 초록
Purpose: Neoadjuvant chemotherapy is commonly used to treat cancer patients as adjunct treatment, but if the microvascular tissue transfer is performed simulataneously with cancer resection surgery, the induction chemotherapy might affect the survival rate of vascularized free flap. Our study will focus on the effect of induction chemotherapy on the free flaps which were made on white rat abdomen after injection of 5-FU.
Materials and Methods:
The experimental rat groups were divided into three groups (total 24 rats) as a normal control group, 24 hrs group after 5-FU injection, 3 days group after 5-FU injection. Inferior abdominal island flaps of 8 Sprague Dawley rats on each group were made and immediately were induced into an ischemic state by clamping the supplying inferior epigastric artery and vein with microvascular clamp for a hour to induce a similiar free flap circumstance, then the inferior abdominal skin flaps were reperfused by releasing the clamps.
The flaps on abdomen were repositioned and sutured. The experimental data for flap survival rate was collected by digital photo taking, analysed by computer image program to compare with the flap luminosity. The rats were sacrificed at 3 days, 5 days, 7 days after flap preparation and specimens of the flap were taken and stained with H-E staining. The microscopic finding was made under magnification of 200 and 400.
Results:
1. Gross findings on each groups showed the healing condition was good as following sequences; normal, 24 hrs group after chemotherapy, 3 days group after chemotherpy.
2. The values of flap luminosity for evaluation of flap survival rate also showed the same sequences as gross findings of healing state.
3. The microscopic findings of epidermis necrosis, inflammation state, dermis fibrosis, vessel change, fatty tissue layer thinning were compared with each group. The 3 days group after chemotherapy showed remarkably poor healing condition compared to other groups.
Conclusion: Chemotherapy agents affected the healing process of free flap, but healing condition was recovered spontaneously as post-injection periods passed out. In opposite to our expectation, 3 days group showed the bad flap condition in comparing with 24 hours group which was considered as immatured body circulation state of chemotherapy agent. It showed that 3 weeks in human being after chemotherapy was not proper as timing of microvascular tissue transfer if 3 days group in rat was considered as same healing
period of 3 weeks in human being. More delayed healing timing than 3 weeks might be required in clinical application of free tissue transfer.
목차
해당간행물 수록 논문
- 종양수술전 화학요법이 미세수술시 피판생존율에 미치는 영향
- 주사형 조직공학재료를 이용한 골형성
- 악안면 골절 치료시 흡수성 고정판의 사용에 관한 임상 연구
- 구개피판을 이용한 구개결손부 수복
- 방사선 조사 백서 경골에 티타늄 임플랜트 매식후 골 치유에 관한 연구
- 하악골에 발생한 동정맥 기형의 혈관 색전술에 의한 치험례
- 하악전돌증 환자의 하악지시상분할골절단술 후 단안모화 경향과 그 결정인자에 대한 분석
- 백서에서 난소절제가 티타늄 임플랜트의 골 유착에 미치는 영향
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