Clinical efficacy of circular laser half-fistula canal ablation in the treatment of anal fistula

[Objectives] To observe the clinical efficacy of circular laser half-fistula canal ablation in the treatment of anal fistula. [Methods] A total of 52 patients with anal fistula admitted to Zhabei Central Hospital, Shanghai Jing’an District from July 2019 to December 2020 were selected as the researc...

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Bibliographic Details
Main Authors: Zhang Feigong, Li Youlong, Yan Hua
Format: Article
Language:zho
Published: Editorial Office of Journal of Colorectal & Anal Surgery 2023-06-01
Series:结直肠肛门外科
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Online Access:https://jcas.gxmuyfy.cn/cn/wqll/paper.html?id=248&cateName=2023%E5%B9%B4%20%E7%AC%AC29%E5%8D%B7%20%E7%AC%AC3%E6%9C%9F
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Summary:[Objectives] To observe the clinical efficacy of circular laser half-fistula canal ablation in the treatment of anal fistula. [Methods] A total of 52 patients with anal fistula admitted to Zhabei Central Hospital, Shanghai Jing’an District from July 2019 to December 2020 were selected as the research subjects and randomly divided into an experimental group (n=26) and a control group (n=26). The experimental group underwent circular laser half-fistula canal ablation, which involved removal of fistula granulation tissue, closure of the fistula sphincter using circular laser ablation, inner orifice suture, and drainage of the outer section of the fistula. The control group underwent circular laser total fistula canal ablation, which involved closure of the full fistula canal using circular laser ablation and inner orifice suture. The clinical efficacy of the two groups, postoperative recovery (including length of hospital stay and wound healing time), wound pain (measured by the visual analog scale, VAS score), fecal incontinence (measured by the Cleveland clinic incontinence score, CCIS), quality of life (measured by the quality of life-BREF, QOL-BREF), postoperative complications, and fistula closure and recurrence were observed and compared. [Results] The experimental group demonstrated a higher total effective rate of treatment and fistula closure compared to the control group (P < 0.05). Additionally, the length of hospital stay and wound healing time were shorter in the experimental group, showing statistically significant differences (P < 0.05). There was no statistically significant difference in the incidence of postoperative complications or recurrence rate between the two groups (P > 0.05). On postoperative day 10, both groups exhibited lower VAS scores and CCIS compared to postoperative day 3 (P < 0.05). Furthermore, the experimental group had lower VAS scores and CCIS than the control group on both postoperative day 3 and day 10, demonstrating statistically significant differences (P < 0.05). Prior to surgery, there was no statistically significant difference in the scores of each dimension measured by the QOL-BREF between the two groups (P > 0.05). However, one month after surgery, the QOL-BREF scores in each dimension significantly improved in both groups compared to preoperative scores (P < 0.05). Notably, the experimental group exhibited higher scores in each dimension of the QOLBREF compared to the control group, with statistically significant differences (P < 0.05). [Conclusion] Circular laser half-fistula canal ablation showed superior clinical efficacy in the treatment of anal fistula compared to circular laser total fistula canal ablation. It promoted wound healing, reduced length of hospital stay, alleviated wound pain, improved fecal incontinence, and did not increase the incidence of postoperative complications or recurrence rate. Therefore, it significantly enhanced the postoperative quality of life for patients.
ISSN:1674-0491