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ORIGINAL ARTICLE
Year : 2021  |  Volume : 26  |  Issue : 1  |  Page : 53

Postoperative outcomes of intrasphincteric botox injection during hemorrhoidectomy: A double-blind clinical trial


1 Department of Surgery, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Mazandaran Province, Iran
2 Department of Surgery, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3 Department of Medical Surgical Nursing, School of Nursing and Midwifery, Mazandaran University of Medical Sciences, Sari, Iran
4 Department of Emergency Medicine, Mazandaran University of Medical Sciences, Sari, Iran

Correspondence Address:
Dr. Mehdi Tavallaei
Department of Surgery, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jrms.JRMS_612_18

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Background: Pain is the most common postoperative complication of hemorrhoidectomy. We evaluated the effectiveness of intrasphincteric Botox injection on posthemorrhoidectomy complications including pain reduction and wound healing. Materials and Methods: In this randomized, double-blind clinical trial, patients with Grades 3 or 4 symptomatic hemorrhoids who underwent open (Milligan-Morgan) hemorrhoidectomy were enrolled. The experimental group received intrasphincteric Botox injection during hemorrhoidectomy, while the controls received normal saline injection. Hemorrhoid grades, constipation status, history of hemorrhoidectomy, duration of operation, pain at rest and after defecation in six follow-up periods (6, 12, 24, and 48 h and 7 and 14 days after operation), wound healing (during follow-up after discharge with a 2-week period), analgesic use, and Botox side effects were evaluated and compared in the two experimental and control groups. Results: In this trial, 34 and 33 patients were randomly allocated in the experimental and control groups, respectively. Operation time was significantly higher in Botox group (P = 0.009). Mean dose of analgesics use in Botox was significantly lower (P < 0.001). Rate of wound healing during follow-ups was significantly higher in Botox group in the fifth follow-up (P = 0.009). Frequency of urinary retention (P = 0.02) and moderate itching (P = 0.01) was significantly higher in placebo than Botox group. Mean of postoperative pain at rest in Botox group was significantly lower at 12th, 24th, and 48th h and 7th and 14th days after operation (P < 0.01). Mean of postoperative pain in Botox group was significantly lower at 3rd to 5th defecation (P < 0.01). Conclusion: Our findings indicated that a single-dose injection of Botox during Milligan-Morgan hemorrhoidectomy is associated with less postsurgical pain at rest and during defecation and improved wound healing. It is suggested that it is a safe and effective procedure during hemorrhoidectomy regarding the procedure-related complications.


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