closed loop obstruction

closed ·loop ob·struc·tion

obstruction of a segment of intestine either rotated on a fixed point (volvulus) or herniated through a fibrous opening (as under an adhesion or into a hernia); frequently associated with impaired perfusion, ultimately resulting in gangrene.

closed loop ob·struc·tion

(klōzd lūp ŏb-strŭk'shŭn)
Obstruction of a segment of intestine either rotated on a fixed point (volvulus) or herniated through a fibrous opening (as under an adhesion or into a hernia); frequently associated with impaired perfusion ultimately resulting in gangrene.
References in periodicals archive ?
Afferent loop obstruction is a specific form of closed loop obstruction with the proximal component being the surgically closed-off duodenal stump (Figs 4 and 5), and the distal/downstream obstruction due to a variety of causes.
At laparotomy however, the caecum was noted to be herniating through the foramen of Winslow causing closed loop obstruction.
A closed loop obstruction results when 2 points along the same length of small bowel are obstructed at a single point.
Because of a competent ileocaecal valve and the resultant closed loop obstruction, a perforation of the caecum had occurred accounting for the free peritoneal air on radiographs.
This was found to be due to closed loop obstruction between the terminal ileum adherent to the pelvis as a result of peritoneal disease and local relapse at the splenic flexure resulting in accumulation of mucus and formation of a mucocele.
Similarly, colonic mucoceles can very rarely occur due to a closed loop obstruction.