atresiosta

Atresiosta is a term used in medicine to describe the absence or abnormal narrowing of a body opening, duct, or passage. This condition can affect various parts of the body and can be present at birth, known as congenital atresia, or develop later in life due to injury, disease, or surgery.

Congenital atresia can occur in several locations. Examples include duodenal atresia, a blockage in the small intestine, which can cause vomiting and feeding difficulties in newborns. Biliary atresia affects the bile ducts, leading to jaundice and liver damage. Esophageal atresia is a malformation of the esophagus, preventing food from reaching the stomach. Atresia of the anus or vagina are other congenital forms that require surgical intervention.

Acquired atresia can result from factors such as inflammation, scarring, or tumors that obstruct a natural passageway. For instance, a narrowed artery might be referred to as arterial atresia, impeding blood flow. Treatment for atresia typically involves surgical procedures to open or reconstruct the affected passage, aiming to restore normal function. The prognosis and specific management depend on the location, severity, and underlying cause of the atresia.