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Usefulness of a Vascular Clipping System to Create an Arteriovenous Fistula

Journal of Acute Care Surgery 2020년 10권 3호 p.101 ~ 105
이진석, 남국진, 윤삼열, 이건옥, 한형준, 조성진, 박종웅,
소속 상세정보
이진석 ( Lee Jin-Suk ) - Chungbuk National University Hospital Department of Trauma Surgery
남국진 ( Nam Kuk-Jin ) - Korea University Hospital Department of Otorhinolaryngology
윤삼열 ( Yoon Sam-Youl ) - Hallym University Department of Surgery
이건옥 ( Lee Kun-Ok ) - Korea University Hospital Department of Surgery
한형준 ( Han Hyung-Joon ) - Korea University Hospital Department of Surgery
조성진 ( Cho Sung-Jin ) - Hallym University Department of Pathology
박종웅 ( Park Jong-Woong ) - Korea University Hospital Department of Orthopedic Surgery

Abstract


Purpose: The vascular clipping system (VCS) is beneficial as it is simple and easy to apply for microvascular suturing. Arteriovenous fistula (AVF) creation is a very basic standard technique of microvascular surgery. In this study the VCS and the conventional suture methods were compared in a rabbit model using the carotid artery and vein to create an AVF.

Methods: There were 28 rabbits assigned equally into 2 groups using the AVF creation method (conventional suturing or the VCS procedure). Histopathology was performed on fixed samples. The procedure time of the 2 methods and changes in histopathology of tissue samples after surgery were compared.

Results: The VCS procedure showed a lower degree of fibrosis and hyperplasia histologically compared with the conventional suture method. The VCS was quicker to perform and no significant anastomosis stricture was observed.

Conclusion: In a rabbit model of AVF, the VCS has benefits over the conventional suture method. The VCS provides comparable patency rates, produces fewer side effects such as fibrosis and hyperplasia, and takes less operation time than suturing. The VCS is expected to be useful for cases where renal patients need periodic hemodialysis and thus repetitive access to a vessel.

키워드

arteriovenous fistula

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