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Hu Xiang Dang
Colorectal Surgery Department
About me
Male, native of Anhua, Yiyang, Hunan. Holds a Master's degree in medicine, associate professor, associate chief physician, nationally renowned expert in traditional Chinese medicine proctology, 2014-2015 Hunan Provincial Youth Outstanding Talents in Work. Currently serves as the head of the Fourth Department of Proctology at the Second Affiliated Hospital of Hunan University of Chinese Medicine, deputy director of the Youth Committee of the Gastrointestinal Branch of the Chinese Association of Traditional Chinese Medicine, deputy secretary-general of the Gastrointestinal Branch of China Association for the Promotion of Traditional Chinese Medicine, deputy secretary-general of the Gastrointestinal Branch of China Ethnic Medicine Association, deputy director and secretary-general of the Professional Committee of Proctology in Hunan Province, deputy director of the Medical Quality Control Center of Proctology in Hunan Province, secretary-general of the Proctology Specialist Union of Hunan Province, member of the National Physician Regular Assessment Proctology Editorial Committee of the National Health and Family Planning Commission, and specially invited lecturer of the Changsha Health Education Grand Lecture.
Has received training in colorectal and anal surgery at Peking University Cancer Hospital, pediatric surgery at the Second Hospital of Hebei Medical University, endoscopy center of Hunan Provincial Cancer Hospital, and general surgery at Hunan Provincial People's Hospital. Has completed 1 provincial research project, participated in 1 national natural science foundation project (ranked second), participated in 1 Hunan provincial natural science foundation project (ranked second), participated in 5 other provincial and ministerial projects. Has won 1 national-level scientific and technological achievement award, 1 provincial-level scientific and technological achievement award, obtained 1 national invention patent (Si Miao Jun Yi ointment), edited 1 academic book, co-edited 2 medical audiovisual textbooks of the Ministry of Health ("Combined Hemorrhoidectomy with Ligation and PPH Procedure for Mixed Hemorrhoids" and "Segmental Fenestration and Distal Grafting with Drainage Tube Placement for Complex Anal Fistulas"), participated in the compilation of the first and second editions of the National Standard Textbook "Science of Traditional Chinese Medicine Proctology", participated in the compilation of 5 other academic books, and published over 10 papers in core journals. Specializes in adult proctologic diseases (such as hemorrhoids, complex anal fistulas, perianal abscesses, anal fissures, rectal prolapse, intestinal polyps and polyposis, anal papillomas, anterior rectal prolapse, necrotizing fasciitis, suppurative hidradenitis, constipation, enteritis, coccygeal diseases, perianal dermatological diseases) and pediatric colorectal diseases (anal fistulas, perianal abscesses, intestinal polyps, congenital megacolon, anal atresia) for surgical and Chinese medicine treatments.
Proficient in diseases
Surgeries and traditional Chinese medicine treatments are available for adult anorectal diseases such as hemorrhoids, complex anal fistulas, perianal abscesses, anal fissures, rectal prolapse, intestinal polyps and polyposis, anal papillomas, rectal anterior protrusion, necrotizing fasciitis, suppurative hidradenitis, constipation, enteritis, sacrococcygeal diseases, and perianal dermatological diseases; as well as pediatric anorectal diseases including anal fistulas, perianal abscesses, intestinal polyps, congenital megacolon, and anal atresia.
Voices
What should I do if I have an anal fissure?
So, what should we do if we have an anal fissure? Generally, for patients with early-stage anal fissures where the fissure is still fresh and without complications such as sentinel piles, hypertrophied anal papillae, anal papillitis, anal stenosis, subcutaneous fistulae, or subcutaneous abscesses, conservative treatment under medical supervision can be pursued. First, altering the diet by increasing water intake and consuming more vegetables and fruits can improve the characteristics of the stool. Post bowel movement, traditional Chinese herbal remedies for pain relief, such as Shen Tang, or sitz baths using potassium permanganate solution can be used. Locally, applications like Longzhu Ointment or Jiuhua Ointment may be applied. If constipation is present, stool softeners should be used to aid bowel movements. In the chronic stage, if symptoms are only accompanied by internal sphincter spasm and no other complications such as sentinel piles or hypertrophied anal papillae, in addition to the general treatments mentioned above, anal dilation can be considered. If dilation is ineffective, then surgical treatment should be considered at this time. For patients with chronic anal fissures who also have symptoms like sentinel piles, hypertrophied anal papillae, anal stenosis, or for those who have had prolonged ineffective treatment of initial anal fissures, it is advisable to seek surgical treatment at a hospital.
What is an anal fissure?
What is an anal fissure? In clinical practice, we often encounter patients asking this question. An anal fissure is a crack in the skin around the anal canal; simply put, it is a split in the skin at the anus. The direction of the split aligns with the direction of the anal skin's folds. Of course, not all cracks in the anal skin are called anal fissures. It is only considered an anal fissure if there is a full-thickness split in the skin at the anus. If it is a superficial skin split, it is referred to as an anal skin laceration or fissuring, such as those caused by certain anal itching diseases, which are in fact fissures in the anal skin. Anal fissures commonly occur at the “anterior and posterior midline” of the anus, which is similar to the directions of 6 o'clock and 12 o'clock as described on a clock face. Doctors often describe these as positions at 6 o'clock and 12 o'clock.
What medicine is used for anal fissures?
So, what medications can patients with anal fissures use routinely? If an anal fissure occurs, during the early stages when the fissure is new, we can use ointments such as Dragon Pearl Ointment, Jiu Hua Ointment, Musk Hemorrhoids Ointment, and Ganthai Ointment, which are hemorrhoid ointments that remove decay and promote tissue regeneration, to facilitate the healing of the wound. After defecating, we can use traditional Chinese medicine pain relievers like Shen Soup or a potassium permanganate solution for cleansing. After cleaning, we should also use some hemorrhoid suppositories for insertion into the anus, which can be used 1-2 times daily. Additionally, oral medications should be taken to lubricate the intestines and aid bowel movements. For example, liquid paraffin, hemp seed pills, hemp seed capsules, and polyethylene glycol electrolyte powder (solution), etc., to soften the stool and improve bowel conditions. If there is severe pain during or after bowel movements due to the anal fissure, local anesthesia like ropivacaine can be used at the Changqiang acupoint for a prolonged pain relief, and long-lasting pain relievers can also be injected at the base of the fissure to relieve pain during defecation. Considering the individual differences of patients, the specific medications, dosages, and precautions should be followed. It is crucial for patients to consult a doctor before using any medications to prevent misuse of drugs.
Is anal fissure serious?
People often ask whether anal fissures are serious and what the consequences might be if they are not treated. Although treating anal fissures is not particularly difficult clinically, many patients, due to a lack of treatment knowledge and awareness of the condition, often delay treatment, which can cause some harm to their health. If an anal fissure is not treated, in addition to the pain during bowel movements and bleeding that the fissure itself causes, over time, it could also lead to conditions such as anal fistula and hypertrophied anal papillae. At the end of the fissure, a sentinel pile may develop. Due to the repeated irritation by fecal matter in an inflamed fissure, a linear ulcer may form. The skin and subcutaneous tissue around the anus might undergo fibrosis, thickening, or. form a hard lump. If the fissure repeatedly becomes infected, it can lead to the development of an anal sinus, and after infection, it may cause subcutaneous fistulas or abscesses. Of course, if an anal fissure persists over time, due to long-term spasm and fibrosis of the internal sphincter, it can lead to consequences such as anal stenosis.
What should be paid attention to usually for anal fissures?
What should I pay attention to for anal fissures? Friends who suffer from anal fissures should note the following: Firstly, pay attention to your diet. Adjust your diet structurally to be diverse. Drink plenty of water and eat less spicy and stimulating food; abstain from alcohol and betel nuts; eat less spicy hot pot and similar foods. Also, maintain a smooth bowel movement. We should develop a habit of defecating regularly, and treat constipation correctly. However, in treating constipation, we should not misuse laxatives and should use medications under the proper guidance of a doctor. We should also pay attention to keeping the anal area clean and hygienic by washing it after each bowel movement. After defecation, it is best to perform sitz baths using salt water, traditional Chinese medicine pain relievers like Shen Tang, or potassium permanganate solution. This helps in the recovery of the anal fissure. In addition to the above, we should also engage in appropriate activities. Friends with anal fissures can perform anal muscle contractions, such as Kegel exercises or stretching exercises.
symptoms of anal fissure
What are the symptoms of an anal fissure? The most typical symptoms of an anal fissure are clinically manifested in three aspects: pain, rectal bleeding, and constipation. Firstly, constipation: Many patients with anal fissures generally first exhibit symptoms of constipation. Then, due to the dryness and bulkiness of the stool, the skin around the anus tears, forming an anal fissure. Subsequently, because of anal pain, the patient fears defecation, which over time exacerbates the hardness of the stool. As constipation worsens, it can aggravate the fissure, thereby creating a vicious cycle. The second main symptom is pain, which is not only the most significant symptom of an anal fissure but also potentially the most intensely felt by the patient. The skin around the anus is sensitive, and damage to this skin can cause significant pain. The degree and duration of the pain can also indicate the severity of the fissure. Typically, the pain from an anal fissure is cyclical. It usually occurs during defecation, followed by a few minutes of relief. Then, pain is stimulated by the contraction of the internal anal sphincter, causing sustained spasms of the sphincter, leading to severe pain. This pain can last for several minutes or even hours. During this time, the patient may feel extremely uncomfortable and find it unbearable, some only finding relief when the sphincter muscles relax after fatigue. Then, the pain reoccurs with the next bowel movement, characterized by its cyclic nature. The third main symptom is rectal bleeding. Patients may notice droplets of blood during defecation, sometimes spotting a few drops of bright red blood in the toilet bowl or seeing streaks of blood on the stool, occasionally mixed with intestinal mucus. When wiping the anus, sometimes the toilet paper shows red blood. However, the amount of bleeding is related to the size and depth of the fissure—the larger and deeper the fissure, the more bleeding occurs. Additionally, some patients may experience itching around the anus. The ulcerated surface of the fissure, along with secretions from the anal glands, irritates the skin around the anus, which can lead to perianal eczema and itching.
What is the best treatment for anal fissures?
How should an anal fissure be treated? It can be addressed from several aspects. First, let's talk about general treatment. What is the principle of our treatment? It is to relieve pain after bowel movements and gradually promote the healing of the fissure. However, the first step is to relieve the spasm of the sphincter, then facilitate bowel movements to interrupt the vicious cycle. But what specific measures are there? One is to take a sitz bath with traditional Chinese medicine for pain relief, such as "Shen Soup," and a 1:5000 potassium permanganate solution after defecation, maintaining local cleanliness. Then, by orally taking some laxatives or paraffin oil, feces can be softened and lubricated. Alternatively, by increasing water intake and eating more fiber-rich foods, constipation can be corrected to keep the bowels clear. In more severe cases, such as those with sphincter spasms, we can perform anal dilation under local anesthesia. By dilating the anus, the spasm of the sphincter can be relieved, and the healing of the fissure can also be promoted. However, this method has a relatively high recurrence rate, and there may also be complications such as severe bleeding, perianal abscess, and fecal incontinence. Anal dilation should be treated by a doctor, and patients should not blindly use it themselves. Of course, there is also surgical treatment. Once an anal fissure has reached a certain degree, generally a chronic anal fissure, many patients need to undergo surgical treatment. Naturally, there are several surgical methods available. We choose different surgical methods according to the condition and severity of the anal fissure. For example, if the patient has an anal fissure that presents with sentinel piles and hypertrophic anal papillae, but there is no anal stricture or internal sphincter spasm, a simple excision of the fissure can be performed. This involves removing the pathological tissue of the fissure, excising the infective anal sinus along with the hypertrophic anal papillae and sentinel piles, allowing the fissure wound to drain openly. However, if there is associated anal stricture, or there is an internal sphincter spasm, we also need to perform an internal sphincterotomy.