腸梗阻中山大學(xué)外科學(xué)(已修改)
2024-10-30 19:37 本頁面
【正文】 Intestinal obstruction Defination A blockade of the flow of intestinal content. Anatomic, functional changes but also systemically physiologic disorders. Clinical manifestations plicated Most mon emergency disease Etiology and classification to its basic causes: mechanical, dynamic obstruction,and obsturction of vascular supply origin 1). Mechanical obstruction from lesions within the wall of the intestine, intrinsic from extraintestinal lesions , extrinsic from obstructing intraluminal substances. congenital, inflammatory, neoplastic, or traumatic origin. postoperative adhesions, congenital origin, Henias Intraluminal foreign bodies 2). Dynamic obstruction（ paralytic） Nerval reflex or toxin stimulation— muscle disorder acute diffuse peritonitis, abdominal operation, retroperitoneal hematoma and infection. Spastic obstruction in intestinal functional disorder or toxication. 3). Obstruction of blood supply origin thrombosis or embolism, then intestinal paralysis. to whether the vascular supply to intestinal wall is promised, Simple and strangulation obstruction. Simple obstruction, mechanical without threat to the viability Strangulation obstruction, the vascular supply is promised. Not relieved, leads to infarction to obstruction level or site. Proximal, distal intestinal, or large bowel obstruction, or high and low obstruction to the extent of obstruction Inplete and plete obstruction, to mode of onset and prog
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