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Deng Heng

Colorectal Surgery

About me

Member of the Communist Party of China, attending physician in the Department of Anorectal Surgery, holder of a full-time Master's degree, published 2 SCI-indexed papers as the first author and several papers in Chinese core journals. Leading one Anhui Provincial Natural Science Foundation project, and one university-level research project at Anhui University of Chinese Medicine. Skilled in treating anorectal diseases using a combination of traditional Chinese and Western medicine.

Proficient in diseases

Hemorrhoids (including internal hemorrhoids, external hemorrhoids, mixed hemorrhoids), anal fissure, anal fistula, perianal abscess, anorectal sinusitis, cryptoglandular sinus, rectal polyps, anal itching, constipation, and other anorectal diseases.
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Written by Deng Heng
Colorectal Surgery
50sec home-news-image

What is good to eat after rectal cancer surgery?

Patients who have undergone surgery for rectal cancer should pay attention to the following points regarding their diet: First, consume a moderate amount of foods containing monounsaturated fatty acids, such as olive oil and tuna. Second, avoid overheating animal products and vegetable oils during cooking. Third, eat more foods rich in dietary fiber, such as konjac, soy and its products, fresh vegetables and fruits, and algae. Fourth, intake vitamins and trace elements by eating fresh vegetables and fruits to supplement carotene and vitamin C, and consume appropriate amounts of walnuts, peanut milk, products, and seafood to supplement vitamin E. Pay attention to the intake of foods rich in the trace element selenium, such as malt, fish, and mushrooms.

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Written by Deng Heng
Colorectal Surgery
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"Internal hemorrhoids prolapse" means internal hemorrhoids have slipped downwards, typically so they protrude outside the anus.

Prolapse of internal hemorrhoids refers to the condition where the hemorrhoidal mass of internal hemorrhoids protrudes outside the anus. This condition occurs only in internal hemorrhoids of grade II or higher. Grade II internal hemorrhoids can spontaneously retract back inside the anus after defecation without the need for manual reduction. Grade III internal hemorrhoids, however, do not retract spontaneously and should be manually reduced after cleaning and a period of bed rest. If the hemorrhoids remain prolapsed for a long time without timely reduction, it can lead to painful swelling around the anus. If a patient is unable to manually reduce the prolapsed hemorrhoids themselves, it can lead to incarcerated hemorrhoids, and medical assistance should be sought promptly.

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Written by Deng Heng
Colorectal Surgery
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Can rectal prolapse cause bleeding during bowel movements?

Patients with rectal prolapse may experience bleeding during bowel movements. The primary symptom of rectal prolapse is a protrusion of a swelling through the anus. Initially, the swelling is small and only protrudes during bowel movements, retracting on its own afterwards. As the condition progresses, due to a lack of contraction strength in the levator ani and anal sphincter muscles, the prolapse occurs more frequently and increases in size, requiring manual repositioning back into the anus after defecation. If not repositioned timely, the prolapsed intestinal tract can become edematous, constricted, or even necrotic, which may result in bloody stools.

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Written by Deng Heng
Colorectal Surgery
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Will people with perianal abscess experience weight loss?

Generally, perianal abscesses do not cause weight loss. Typically, perianal abscesses are caused by common bacteria infecting the spaces around the anus and rectum, leading to an acute purulent infection. When an abscess forms, it can cause sudden swelling and pain in the perianal area, with episodic increases in pain. However, if the abscess is caused by tuberculosis bacteria, it can lead to a chronic condition and systemic wasting diseases, which may present symptoms such as night sweats, feverish feelings, etc. Chronic diseases can cause weight loss.

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Written by Deng Heng
Colorectal Surgery
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Is bleeding from internal hemorrhoids serious?

Bleeding from internal hemorrhoids, also known as rectal bleeding, is a common primary symptom in patients with internal hemorrhoids. Although the bleeding from internal hemorrhoids is painless and not itchy, it occurs during bowel movements and can be either a trickle or a spray of blood. Although the amount of bleeding might not be large and may subside naturally, in clinical practice, we have seen a minority of patients with long-term chronic bleeding leading to severe anemia. For example, the normal hemoglobin level in adults should be 120g/L, but at the time of consultation, their hemoglobin has dropped to 30, 40, or 50g/L. Treatment then requires an initial blood transfusion followed by surgery, which can be quite complicated. Therefore, bleeding from internal hemorrhoids should be taken seriously.

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Written by Deng Heng
Colorectal Surgery
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How is fecal incontinence treated with Chinese medicine?

How is bowel incontinence treated with Chinese medicine? Bowel incontinence, also known as anal incontinence, refers to the inability to voluntarily control bowel movements or gas due to various reasons, leading to autonomous control issues at the anus. In Traditional Chinese Medicine (TCM), treatment is divided into herbal medicine therapies and non-medicinal treatments. Herbal medicine treatment can be classified into several types, primarily the Qi Deficiency and Sinking type and the Spleen and Kidney Deficiency type. Each type utilizes different herbs. The Qi Deficiency and Sinking type, characterized by inability to control bowel movement and gas, anal prolapse, fatigue, poor appetite, a thin white tongue coating, and a fine pulse, is typically treated with Bu Zhong Yi Qi Tang. The Spleen and Kidney Deficiency type, which includes symptoms such as difficulty in controlling bowel and gas, sensation of dullness, dizziness, tinnitus, sore waist and knees, a thin white tongue coating, and a weak and fine pulse, is mainly treated with Jin Gui Shen Qi Wan, with an added dose of Bu Zhong Yi Qi Tang, indicating a somewhat more severe condition compared to the Qi Deficiency and Sinking type. Medications should be used under the guidance of a physician.

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Written by Deng Heng
Colorectal Surgery
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What foods to eat for thrombotic external hemorrhoids?

Thrombotic external hemorrhoids are primarily caused by inflammation of the anal veins, or by the rupture and thrombus formation of the anal venous plexus due to excessive straining. The main symptoms are a sudden bluish-purple swelling at the edge of the anus or severe pain. The primary cause is usually due to constipation. Therefore, it's important to maintain smooth bowel movements when eating. Increasing the intake of vegetables and fruits and reducing the consumption of meat, while ensuring regular bowel movements, is most crucial.

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Written by Deng Heng
Colorectal Surgery
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How long does it take for an anal fistula to form?

An anal fistula is a tract left after an anal abscess bursts spontaneously or is surgically drained, generally consisting of a primary internal opening, a fistula tract, and a secondary external opening. Thus, an anal fistula and an anal abscess represent two stages of the same disease: initially, there is an anal abscess, and then, after the pus from the abscess is drained, an anal fistula forms. Typically, the transformation from an anal abscess to an anal fistula takes about two to three months, meaning that an anal fistula can form about three months after the abscess bursts.

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Written by Deng Heng
Colorectal Surgery
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Will external hemorrhoids affect sexual life?

External hemorrhoids generally do not affect sexual life. External hemorrhoids mainly refer to hemorrhoids that grow below the dentate line, primarily divided into connective tissue external hemorrhoids, varicose external hemorrhoids, inflammatory external hemorrhoids, and thrombosed external hemorrhoids. The main clinical manifestations of the first three types of external hemorrhoids are a foreign body sensation in the anus and moisture at the anus, so they do not affect sexual life. Only thrombosed external hemorrhoids can cause anal pain, which might affect sexual life if the pain is very severe.

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Written by Deng Heng
Colorectal Surgery
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How long does it take for a thrombosed external hemorrhoid to subside?

Thrombotic external hemorrhoids are a type of external hemorrhoids. Generally, after 2-3 days, the thrombus begins to be absorbed and the pain significantly reduces and can be healed. However, in cases with a large thrombotic lump, significant pain can occur and in severe cases, it can hinder walking. The patient may be restless whether sitting or lying down, the surface may re-ulcerate, causing bleeding, and the thrombus can naturally expel itself. At this time, the lump will be eliminated.