Tuesday, November 25, 2008
Amoebic dysentery (intestinal amoebiasis)
Overview Amoebic dysentery, also known as the intestinal amoebiasis, was dissolved by the Organization of pathogenic amoeba invasive colon wall protozoon after the symptoms of dysentery caused by the mainly of the digestive tract diseases. This disease worldwide, mostly in tropical and subtropical. China was particularly prevalent in the north. Incidence in rural areas than in urban; men than women, adults more than children, mostly distributed in Cause Chronic patients, recovery in patients with cysts and people living with this disease is the main source of infection. Through contaminated water, vegetables, fruits, such as the Food and dissemination of the digestive tract, can also be contaminated hands, flies supplies, cockroaches, and so indirectly through the dissemination of the mouth. Ordinary people susceptible, the infection does not have immunity, it is easy to re-infection. Symptoms The average incubation period of 1 to 2 weeks (4 to a few months), there are different types of clinical manifestations. (A) of the silent type (people living with cysts): This type often there is no clinical symptoms, stool examination found a number of amoeba cysts. (B) common: more slow onset, and symptoms of systemic poisoning of light, often without fever, mild abdominal pain, and diarrhea daily will be 10 times more than in about the middle volume, blood and mucus, blood and necrotic tissue was evenly mixed Jam-like, with corruption Xingxiu flavor, with amoebic dysentery trophozoites with a large number of piles of red blood cells, one of its features. (C) light: those found in the more physical, minor symptoms. (D) fulminant: rare. (E) of the chronic type: the acute stage due to improper treatment of alternating constipation and diarrhea, so that the clinical symptoms of recurrent, or persistent in February over a few years Buyu. Due to cold, fatigue, carelessness, such as diet and attack. Check 1. The clinical performance: the slow onset, and symptoms of less serious, less diarrhea, stool-like Anhongsecheng sauce and so on. 2. Stool examination: microscopic detection solution histolytica an important basis for the diagnosis. 3. Sigmoid colon examination. 4. Barium enema X-ray inspection: intestinal stenosis, tumors have a certain value of the amoeba. 5. Serological examination: amoeba can be used pure antigen-specific antibodies, the body of invasive disease when there are antibodies to form, cyst testing for people living with antibody-negative. Common IHA, ELISA, indirect fluorescent antibody, CIE, agar diffusion test, such as precipitation. Treatment (A) general treatment: acute bed rest period, to the isolation of intestinal symptoms, stool 3 times in a row can not find cysts and trophozoites to enhance nutrition and, if necessary, or blood transfusion. (B) the treatment of pathogens: 1. Metronidazole (metronidazole). 2. Metronidazole sulfonyl imidazole. 3. Chlorine powder sugar esters (phenyl chloride). 4. Antibiotics. 5. Chinese medicine: Brucea (Sophora), Hui, Pulsatilla, garlic and so on are available.
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