Megacolon de chagas pdf

Diagnosis, management and treatment of chronic chagas. The colon is often described as distended or dilated 10,11,12. Pdf chagasic megaesophagus and megacolon diagnosed in. For a condition that is sometimes treated surgically, acquired megacolon amc is poorly understood and diagnostic criteria remain obscure 1,2,3,4,5,6. The chief difference from the distal aganglionosis of hirschsprungs disease is that, in acquired megacolon of chagas disease, there are degenerative changes and quantitative reduction in the intramural ganglia of the entire intestinal tract. In the early stage, symptoms are typically either not present or mild, and may include fever, swollen lymph nodes, headaches, or swelling at the site of. Its a widening of the large intestine that develops within a few days and can be life. Abstract the case report of a 63 year patient, with history of chronic constipation who attended. The case was associated with the use of psychiatric medications. Megacolon knowledge for medical students and physicians.

Oesophageal manometric studies in patients chagas megacolon. Megacolon is an abnormal dilation of the colon that can be caused by several factors. Chagas disease in the differential diagnosis of megacolon. Toxic megacolon is a term used to express the seriousness of the condition. Chagas disease is curable if treated in the acute phase. Feces may become impacted, which can lead to inflammation and further mucosal injury. Symptoms and diagnostic criteria of acquired megacolon a. The dilation is often accompanied by a paralysis of the peristaltic movements of the bowel. Some authors differentiate colonic redundancy from. In more extreme cases, the feces consolidate into hard masses inside the colon, called fecalomas literally, fecal tumor, which can require surgery to be removed a human colon is considered abnormally enlarged if it has.

Discussion megacolon is an abnormal dilation of the colon that can be caused by several factors. All chagasic patients have been followed for many years due to chagas disease infection and were enrolled in this study because they developed only the megacolon clinical. Acquired nonchagas megacolon associated with the use of. Pdf chagas disease in the differential diagnosis of megacolon. Chagas disease, also known as american trypanosomiasis, is a tropical parasitic disease caused by trypanosoma cruzi. Megacolon is an abnormal dilation of the colon also called the large intestine. Megacolon most commonly involves the sigmoid and the typical symptoms are constipation and abdominal pain. After acute infestation with the chagas disease parasite, trypanosoma cruzi, some patients who are serologically positive develop chronic megacolon and megaesophagus, whereas others are symptomfree. To transform a previously occurring functional motility dysbalance into a permanent megacolon, koberle 1968 and meneghelli 2004 suggested that loss of more than half. In this excellent presentation, a report is made of the wellestablished role oft. Chagas disease with gastrointestinal involvement involves an inflammatory invasion of the enteric plexuses and degeneration of enteric neurons. It is spread mostly by insects known as triatominae, or kissing bugs. The symptoms change over the course of the infection.

Megacolon definition of megacolon by medical dictionary. Acquired megacolon chagas disease trypanosoma cruzi leads to denervation of hollow viscera and consequent dysfunction megacolon, megaesophagus, gastric dilatation neurologic disorders psychotic patients clinic. Megacolon is the dilation of the colon in the absence of a mechanical obstruction e. However, postoperative bowel functioning is not always satisfactory. The aim in this report was to emphasize the differential diagnosis with chagas megacolon. Acute megacolon ogilvies syndrome is the acute dilation of the colon, characteristically seen in severely medicallysurgically ill patients.