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Frontiers of Medicine

ISSN 2095-0217

ISSN 2095-0225(Online)

CN 11-5983/R

Postal Subscription Code 80-967

2018 Impact Factor: 1.847

Front. Med.    2015, Vol. 9 Issue (1) : 77-81     DOI: 10.1007/s11684-014-0352-0
A new minimally invasive treatment for anal fistula
Rui Zhu1,Lin Shen1,*(),Caoyuan Wang2,Yanping Yang1,Rui Chen1,Hen Fang1,Xiaojuan Xu1
1. Department of Traditional Chinese Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
2. Wuhan Mayinglong Coloproctology Hospital, Wuhan 430070, China
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In colorectal surgery, eradicating the fistula and maintaining continence are still complex challenges for a colorectal surgeon. A minimally invasive method using a novel device was performed to consecutively treat 14 patients with anal fistula from August 2008 to November 2009. After a follow-up period of 36 months, 13 patients achieved successful closure of their fistula tracts, and recurrence occurred only in one patient. Recurrence was due to the delay of dressing change. No patient had interference with continence, and no major intra- and post-operative complications were identified. Using the novel device with invasive methods can be a promising alternative for managing anal fistulas.

Keywords anal fistula      surgery      device     
Corresponding Authors: Lin Shen   
Online First Date: 22 September 2014    Issue Date: 02 March 2015
URL:     OR
Fig.1  Novel surgical instrument invented by Dr. Caoyuan Wang. 1, mini-electromotor; 2, positive spin button; 3, anti-spin button; 4, electrical outlet; 5, tool-holder; 6, mill.
Fig.2  A probe was gently inserted into the external opening and was removed from the anal canal through the internal opening. While the probe was in the fistula tract, a V-shaped incision was made at approximately 1.5 cm from the anal margin to ensure that the internal opening was completely eradicated.
Fig.3  Necrotic or granulation tissue was completely excised from the fistula tract by using the new device.
Fig.4  A typical case of patient, presenting a complicated anal fistula with two external orifices. The wound completely healed without obvious scarring six weeks after the surgery.
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