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At least 307 records · Page 17Linked to original sources
PubMed1982

Polytetrafluoroethylene (PTFE): a new material for the construction of gastrointestinal cannulae.

The advantages of polytetrafluoroethylene cannulae are that they are resistant to chemical attack, light in weight, not brittle, inexpensive, adaptable, and they cause minimal tissue reaction. The design of cannulae for cannulation of gastric and duodenal fistulae, and drainage of pouches of the stomach is described. Similar cannulae offer many possibilities for use in other systems.

Animals↗
PubMed2004

Successful treatment of pancreatobiliary fistula by endoscopic stenting.

An unusual pancreatobiliary fistula occurred as a complication of chronic pancreatitis. Endoscopic papillotomy was performed and a plastic endoprosthesis was inserted into the main pancreatic duct. The pancreatic stenting led to the closure of the fistula and no additional surgical treatment was necessary.

Biliary Fistula↗
PubMed1994

[Food conversion in the digestive system of juvenile bulls. 1. Conversion of protein and amino acids].

Fistulated bulls (duodenal bridge fistulas) received 10 rations containing 60% concentrate and combinations of carbohydrates from various sources to investigate the protein and amino acid flux in the digestive tract. With a constant crude protein concentration of 12-13% in the rations (adjusted by adding urea), an average of 85 +/- 8% of the crude protein ingested with the feed were found in the duodenum. The highest values were measured for rations containing wheat/dried sugar beet chips (97% and 67% resp.). The mean percentage of bacterial crude protein in the corrected total protein found in the duodenum was 69 +/- 11%. This fraction accounted for 53% and 51% respectively for the rations containing maize or fodder beet and increased to above 70% with the rations containing dried sugar beet chips. The amounts of lysine, threonine, methionine and glycine found in the duodenum were always higher than in the feed. The highest synthesis rates were found in animals receiving rations containing fodder beet or dried sugar beet chips, and the lowest was measured for dried sugar beet pulp. Glutamic acid was slight, and no histidine synthesis was detected. The concentration of the amino acids per kg dry matter digesta was similar for the individual amino acids. Crude bacterial protein productions was relatively low (80 to 113 g bacterial crude protein per kg digestible organic matter), but correlated with ration composition.

Amino Acids↗
PubMed1994

Laparoscopic repair of cholecystoduodenal fistulae.

Since the first laparoscopic cholecystectomy in 1987 by Mouret, the scope of biliary surgery available to a laparoscopic surgeon has increased. In the early days of the procedure there were several accepted contraindications. Some of these were acute cholecystitis, morbid obesity, adherent gallbladder, jaundiced patients, ductal calculi, and biliary tract anomalies. In a series of 300 laparoscopic cholecystectomies we encountered five cholecystoduodenal fistulae. It was possible to deal with four fistulae laparoscopically. Two patients underwent a laparotomy, one for a failed laparoscopic repair of cholecystoduodenal fistula and the other for several common bile duct (CBD) stones, which could not be removed laparoscopically via the cystic duct. We maintain that with increasing expertise and improved instrumentation, most cases of cholecystoduodenal fistula could be dealt with laparoscopically.

Aged↗
PubMed1980

[Fistulation technic for the digestive tract of swine for the examination of protein metabolism].

Chyme may be collected quantitatively without grave risk from various sections of the intestinal tract of swine by reentrant cannulae, if such chyme is required for tests in the context of nutritional physiology. Techniques of anaesthesia and surgery for bridge fistula application are described together with the types of syringes needed as well as with aspects relating to presurgical and postoperative attention to the animals concerned.

Animals↗
PubMed2004

Direct appositional (no flap) closure of deep anal fistula.

OBJECTIVE: After sphincter-sparing core fistulectomy for deep anal fistula most surgeons advance a rectal mucosal flap to reinforce closure of the internal opening. Our own method having for many years been simple appositional closure the resulting series presented an opportunity for comparison. PATIENTS AND METHODS: From November 1987 to January 2001, 44 patients underwent 46 core fistulectomies with flap-less direct appositional closure in our unit. Records were kept prospectively. Twenty-six fistulae (in 28 patients) appeared healed at two to five months follow-up and the patients had been discharged. A full review was mounted in May 2001, when 16 of the healed patients could be contacted and questionnaires completed. Two patients were excluded from the study. RESULTS: The procedure failed in 16 patients initially and was found to have done so in two more at long-term follow-up (41% overall). Three patients had died and five could not be traced. CONCLUSION: Simple appositional closure after core fistulectomy for deep anal fistula seems inferior to methods using flap reinforcement.

Digestive System Surgical Procedures↗
PubMed2005

Primary aortoenteric fistula: should enhanced computed tomography be considered in the diagnostic work-up?

UNLABELLED: We present the case of a 66-yr-old woman who was admitted to a surgical intensive care unit with life-threatening rectal bleeding. Despite the use of angiography and repeated computed tomography scans, the diagnosis of a primary aortoduodenal fistula secondary to an abdominal aortic aneurysm was not made, leading to a delay in diagnosis until the time of surgery. The reliability of radiological investigations and the importance of being alert to the possibility of this extremely rare condition are discussed. IMPLICATIONS: We describe the delayed diagnosis of an aortoduodenal fistula related to an abdominal aortic aneurysm. We emphasize that computed tomography scan results may be unreliable for detecting this pathology in patients who are hemodynamically unstable.

Aged↗