What is the pathogenic mechanism of rectal prolapse?

Written by Chen Tian Jing

Colorectal Surgery

Updated on September 27, 2024

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The pathogenic mechanism of rectal prolapse primarily refers to the relaxation and sagging of the rectal mucosa down to the anal area, forming an internal rectal mucosa prolapse. Excessive relaxation of the rectal mucosa can protrude externally through the anus in a cylindrical or conical shape, commonly known as external rectal mucosa prolapse or rectal prolapse. The causes are mainly due to congenital deficiency of kidney energy in patients or excessive relaxation of the rectal mucosa due to multiple childbirths. Some patients with long-term constipation may also experience rectal mucosal relaxation due to excessive straining during bowel movements. Additionally, elderly and frail patients may experience sagging of the rectal mucosa as they age.

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Written by Chen Tian Jing

Colorectal Surgery

54sec

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Can you eat black fish with rectal prolapse?

Patients with rectal prolapse are advised not to consume seafood, lamb, and other stimulating foods for long periods or in excessive amounts. Overconsumption of lamb, seafood, or spicy and stimulating foods can easily lead to dry stools. When stools are dry, patients will involuntarily strain during bowel movements, which can worsen the rectal prolapse. In addition to needing a light and liquid diet, patients with rectal prolapse require prompt treatment to prevent the condition from worsening and delaying the disease. The primary treatment method is surgical removal combined with local sclerosing agent injection therapy. After surgery, it is important for patients to avoid squatting or excessive physical exercise for up to six months to prevent episodes of rectal prolapse.

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Written by Chen Tian Jing

Colorectal Surgery

1min

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Can glycerin suppositories be used for rectal prolapse?

If a patient experiences difficulty in defecation or constipation due to rectal prolapse, enemas can be used to help facilitate bowel movements. The basic principle behind the defecation difficulties caused by rectal prolapse is due to the prolapsed, lax mucosa blocking the anal opening, preventing normal excretion of stool. Alternatively, when excretion does occur, it may be impeded by the mucosal obstruction, obstructing the normal passage of feces. Therefore, besides using enemas to address difficulty in defection and bowel movement, it is more necessary to surgically remove the lax mucosa to achieve a fundamental treatment. The use of enemas alone can only provide temporary relief of symptoms and does not address the root cause of the problem. For rectal mucosal prolapse, a stapled hemorrhoidopexy can be performed to surgically remove the prolapsed mucosa.

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Written by Chen Tian Jing

Colorectal Surgery

52sec

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Can rectal prolapse heal itself?

Rectal mucosal prolapse primarily refers to a condition where the rectal mucosa becomes excessively relaxed, accumulates near the anus, and presents symptoms such as a distinct feeling of fullness and downward pressure at the anal area. Sometimes, the prolapsed mucosa may congest the anal opening, causing difficulty in defecation or even constipation. Rectal mucosal prolapse cannot heal completely on its own. Treatment options include medication to alleviate symptoms or surgery to remove the prolapsed mucosa. Patients with rectal mucosal prolapse should avoid straining excessively during bowel movements. If constipation occurs, patients should not strain too hard and may use enemas to assist with bowel movements.

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Written by Chen Tian Jing

Colorectal Surgery

1min 4sec

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The difference between rectal prolapse and rectal prolapse

The difference between rectal prolapse and rectal procidentia mainly lies in the location and extent of the lesions, as well as the degree of the lesions. Rectal prolapse mainly includes internal rectal mucosal prolapse and external rectal mucosal prolapse, and external rectal mucosal prolapse is mainly referred to as rectal procidentia. Hence, rectal procidentia is a manifestation of rectal prolapse, while rectal prolapse is a generalized term for rectal procidentia. If it is an internal rectal mucosal prolapse, one can choose traditional Chinese medicine retention enema or oral medication for treatment. However, if rectal procidentia is confirmed and recurs, the only treatment method is surgery to excise the prolapsed mucosa. To prevent rectal prolapse or rectal procidentia, it is advised not to engage in excessive physical activities.

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Written by Chen Tian Jing

Colorectal Surgery

1min 6sec

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What are the symptoms of rectal prolapse?

Rectal prolapse is a common clinical disease in proctology, primarily affecting children, postpartum women, and the elderly. Symptoms of rectal prolapse include varying degrees of bloating and a feeling of falling at the anus. Sometimes, due to the accumulation of mucosa at the anal opening, normal defecation is impeded, leading to constipation and difficulty in bowel movement. To examine and diagnose rectal prolapse, an anoscopy is necessary. Under anoscopy, the relaxed mucosa that accumulates can be seen at the mirror opening. Treatment for rectal prolapse in children may involve the use of traditional Chinese medicine retention enemas, which can gradually alleviate the prolapse as the body's condition improves. For postpartum women or the elderly, treatment may also involve traditional Chinese medicine retention enemas in combination with surgical excision. The primary surgical procedure used is a Hemorrhoidal mucosal circular stapling operation.