To determine a superior surgical treatment for anal fistula through a network meta-analysis and to provide the best direction for development in this field. We conducted a systematic literature search of the PubMed, Embase and Cochrane Library databases and extracted data from randomized controlled trials, which compared healing time, incontinence and recurrence associated with surgical strategies for anal fistula. Cumulative probability values were utilized to rank the strategies under examination. Inconsistencies were also tested using node-splitting models. Twenty articles with patients were included. In general, fistulotomy plus marsupialisation and surgical ligation plus biomaterial plugging revealed superior clinical efficacy. Node-splitting model testing revealed that no significant inconsistency existed in this research.
Anal fistula surgery
Anal Fistula | Johns Hopkins Medicine
Your doctor can diagnose an anal fistula based on your symptoms and by examining the affected area. This examination may include a digital rectal examination, during which a gloved finger is inserted into your back passage to feel for abnormalities. An anal fistula is a small tunnel that develops between the end of the bowel and the skin near the anus where poo leaves the body. They're usually the result of an infection near the anus causing a collection of pus abscess in the nearby tissue. When the pus drains away, it can leave a small channel behind. Anal fistulas can cause unpleasant symptoms, such as discomfort and skin irritation, and won't usually get better on their own. Surgery is recommended in most cases.
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The best surgical strategy for anal fistula based on a network meta-analysis
The anus is the external opening through which feces are expelled from the body. Just inside the anus are a number of small glands. If one of these glands become blocked, an abscess — an infected cavity — may form. An anal abscess is usually treated by surgical drainage, although some drain spontaneously. Most fistulas result from an anal abscess.
Most anal fistulas form in reaction to an anal gland that has developed a pus-filled infection abscess. Even if your abscess drains on its own, you have about the same risk for a fistula. Certain conditions that affect your lower digestive tract or anal area may also increase your risk.