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Sir William Arbuthnot Lane, 1st Baronet, CB, FRCS (4 July 1856 – 16 January 1943) was a British surgeon and physician. He mastered orthopaedic, abdominal, and ear, nose and throat surgery, while designing new surgical instruments toward maximal asepsis.
Colonic transit studies may be used to rule out colonic inertia if there is a history of severe constipation. [ 3 ] [ 5 ] Continent prolapse patients with slow transit constipation, and who are fit for surgery may benefit from subtotal colectomy with rectopexy.
Colonic marker transit studies are useful to distinguish colonic inertia from functional outlet obstruction causes. In this test, the patient swallows a water-soluble bolus of radiocontrast agent and films are obtained 1, 3, and 5 days later. Patients with colonic inertia show the marker spread throughout the large intestines, while patients ...
The total removal of the colon, called a colectomy or resection of affected parts of the colon may be needed if part of the gut dies (for instance toxic megacolon), or if there is a localized area of dysmotility. Gastric and colonic pacemakers have been tried. These are strips placed along the colon or stomach which create an electric discharge ...
The colon is then mobilized from the retroperitoneum. Care is taken to avoid injury to the ureters and duodenum. The surgery then follows the same steps as small bowel resection. However, due to the colon's placement in the retroperitoneum, more dissection is often required to allow for tension free anastomosis. [5] [6]
Complications of the surgery are rare, including pain and infection, which may require implant removal in 5% of cases. The effects of SNS may include increased resting and squeeze anal tone, and improved rectal sensitivity. There is reported reduction of involuntary loss of bowel contents and increased ability to postpone defecation.
The original pull-through procedure was designed by Orvar Swenson and his colleague Alexander Bill. The abnormal aganglionic part of the bowel is resected down to the sigmoid colon and rectum, and the normal colon and the low rectum are subsequently joined.
MACE, Malone procedure, ACE procedure, continent appendicostomy, Malone antegrade colonic enema [ edit on Wikidata ] A Malone antegrade continence enema (MACE), also known as an appendicostomy or Malone procedure, is a surgical procedure used to create a continent pathway proximal to the anus that facilitates fecal evacuation using enemas .