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[Endoscopic therapy of postoperative biliary fistula].

A postoperative biliary fistula is a rare but severe complication of biliary surgery. Clinical signs, ultrasound and ERC lead to the diagnosis. Within three years, 37 patients with postoperative bile duct fistulas after cholecystectomy underwent endoscopic therapy. In all patients the biliary fistula healed completely within seven days after insertion of a nasobiliary tube. The nasobiliary tube for postoperative biliary fistulas offers regular radiological controls and reduces the necessity of operative reinterventions on the biliary system.

Biliary Fistula↗

[Comparison of two kinds of operations for high anal fistula].

OBJECTIVE: To investigate the more reliable and effective operations for high anal fistula. METHODS: From Jan. 2002 to Oct. 2004, 117 cases suffering from high anal fistula were divided into two groups, and received tying therapy on main fistula with external anal fistulae excision (62 cases) or tying therapy on main fistula with external anal fistulae laid aside (55 cases). The curing time and recurrence were compared between the two groups. RESULTS: There were no significant differences in basic clinical data between the two groups. There were 37 cases of high simple fistula, and 25 cases of complicated fistulae in resection group, while 39 cases of simple fistula and 16 cases of complicated fistulae in laying aside group. The curing time was 15-20 (17+/-2) days and no recurrence occurred after follow-up for half a year in resection group. The curing time was 25-55 (35+/-8) days and recurrence occurred in 6 cases (10.9%) in laying aside group including one case of high simple anal fistula and five cases of high complicated anal fistulae. There was statistical significance in treatment efficacy for high complicated anal fistulae (chi2=6.23, P=0.013), and the overall efficacy (chi2=5.06, P=0.024) between the two groups. CONCLUSION: Tying therapy on main fistula with external anal fistulae excision is a more effective treatment for high complicated anal fistulae.

Adolescent↗

Secondary aortoduodenal fistula. Rare endoscopic finding in the course of digestive hemorrhage.

Secondary aortoduodenal fistula is a rare and life-threatening long-term complication of abdominal aortic surgery. Pathogenesis is often not clear; both mechanical trauma and septic procedures are involved as principal factors. The interval between first intervention and development of the fistula can vary from months to years. The presentation is often subtle with a herald bleeding followed by a period of grace, followed or not by an exsanguinating hemorrhage. The right diagnosis of aortoduodenal fistula hemorrhage can be difficult. We emphasize the need to have an early and correct diagnosis in one with differential diagnosis of patients with gastrointestinal bleeding after previous abdominal aortic replacement surgery. The esophagogastroduodenoscopy (until the Treitz) is the main diagnostic procedure, able to demonstrate the fistula and rule out other possible causes of bleeding.

Aorta, Abdominal↗

Fistulas of the gastrointestinal tract. Experience with eighty-one cases.

Eighty-one cases of gastrointestinal fistulas are reported. Sixty-seven of these fistulas occurred postoperatively, all of them external, and fourteen occurred spontaneously, all but one internal. Fifty-two patients were treated conservatively and twenty-nine underwent operation, with an overall mortality rate of 23.4 per cent. It is noted that the presence of severe intraperitoneal infection and a high location of the fistula were associated with an unfavorable prognosis, with mortality rates of 31.4 per cent and 48 per cent, respectively.

Acid-Base Equilibrium↗

[Neonatal enterolithiasis (or intraluminal meconial calcifications). Apropos of 4 cases].

Calcified intraluminal meconium is rarely observed in newborn. Only 27 cases are related in litterature; the authors report 4 new cases and point out the role of intestinal obstruction (principaly anorectal malformations, but also atresia, meconium ileus or Hirschsprung disease). Pathogenesis is unknown, while intestinal urinary fistula is frequently described.

Abnormalities, Multiple↗

Purse-string closure of a mucous fistula in loop colostomy.

The technique of purse-string closure of a mucous fistula to prevent faecal contamination during loop colostomy is described in six patients who underwent the procedure. Complete faecal diversion was achieved in all six patients without complications.

Colonic Diseases↗

Some experimental surgical techniques on the alimentary tract of young pigs.

The paper describes the surgical techniques used in the preparation of gastric, intestinal and caecal fistulae, intestinal re-entrant fistulae, gastric pouches and Thiry-Vella loops. A total of 189 pigs were used in the study ranging from 1 h to 16 weeks of age. All procedures were carried out under cyclopropane/oxygen anaesthesia.

Anesthesia, Inhalation↗

Treatment of postoperative enterocutaneous fistulas by high-pressure vacuum with a normal oral diet.

BACKGROUND/AIMS: Enterocutaneous fistulas are associated with prolonged hospital stay, high morbidity/mortality, and increased hospital costs. This study aims to describe the use of a vacuum system and normal oral diet in dealing with this problem. METHODS: Seventy-four consecutive patients with recent and defined external postoperative fistulas were analyzed. Abdominal imaging was used to exclude abscess and distal obstruction. The fistula tract was sealed with Foley catheter, connected to a negative pressure flask, changed daily for 5, 10 or 15 days, as necessary. A normal oral diet was permitted. RESULTS: No patient died. Serum albumin and transferrin showed significantly higher levels at the end of treatment than at the beginning. The moderate and low-output fistulas had the best results (97% closed). Forty-eight (65%) fistulas closed after 5 days, 16 (22%) after 10 days and 4 (5%) after 15 days. Treatment failed in 6 (8%) patients, who subsequently underwent surgery. The fistula did not close in 1 patient with a low output. The cost of the treatment was USD 41.75/day and it was considered cost-effective. CONCLUSIONS: The vacuum system demonstrated good results in the treatment of fistulas. It included simplicity, low cost, short hospital stay, absence of skin breakdown, normal eating, good nutrition and activity patterns.

Adult↗

[Improvement strategies in the treatment of high small intestinal fistula].

The experience of treatment of 54 patients with external small intestinal fistula was summarized. The method of surgical treatment was choosen basing on estimation of the fistula localization, its occlusion possibility and in accordance with state of homeostasis. Early performance of operative intervention according to vital indications is necessary in presence of unformed fistula with massive and uncontrolled loss of intestinal contents. Application of rational surgical tactics and complex treatment of patients with high external small intestinal fistula have allowed to lower lethality from 30 to 19%.

Adolescent↗

[Gastrojejunocolic fistula, report of two recent cases with original management].

Gastrojejunocolic fistulae, ultimate complication of anastomotic peptic ulceration, are presently uncommon. We report two recent cases of postoperative gastrojejunocolic fistulas (after duodenal ulcer surgery and total duodenopancreatectomy), which were complicated at time of diagnosis (acute peritonitis and liver cirrhosis) and required a two-stage treatment.

Aged↗

Anal abscesses and fistulas.

Anal abscesses and fistulas are a common part of surgical practice. Most abscesses simply need to be drained and most fistulas can be safely laid open. Excessive probing should not be attempted when draining abscesses as this may lead to iatrogenic fistulas. A small percentage of fistulas are complex and very challenging to manage. Management involves an accurate diagnosis and a balance between eradication of the fistula and maintenance of continence. A decision should be made, based on clinical evaluation and anal ultrasound (if available), whether the fistula can be laid open. If it cannot be laid open, a loose seton is placed and the sepsis is allowed to settle. Once the sepsis is quiescent, a definitive repair can be attempted. There are various techniques available including rectal advancement flap, fibrin glue and cutaneous flaps all of which are discussed.

Abscess↗

Isolated iliac artery aneurysmocolonic fistula with pericolic abscess.

We report the successful management of a 66-year-old man who had common iliac aneurysmosigmoid colon fistula. The initial presentation was abdominal pain, fever, and melena. Digital subtraction angiography showed no evidence of rupture. However, computed tomography scanning revealed fine gas formations in the common iliac artery aneurysm. To reduce the risk of graft infection and prolonged ischemia, we created an extraabdominal femoral-femoral bypass graft, closed the wounds, removed the aneurysm, and closed the colon primarily. The postoperative course and recovery were uneventful.

Aged↗

Secondary aortoenteric fistula: active bleeding detected with multi-detector-row CT.

We report a case of active bleeding of a secondary aortoenteric fistula (SAEF), in which CT angiography with multi-detector-row CT (MDCT) was finally diagnostic after negative catheter angiography and unsatisfactory endoscopy. The MDCT angiography clearly demonstrated the fistulous tract between the abdominal aortic graft and the duodenum. The dynamic process of bleeding was confirmed as a net increase of contrast agent accumulation in the duodenum through different phases. The MDCT angiography with its excellent 3D image quality is therefore a valuable method in the assessment of active SAEF bleeding.

Aged↗

Release of peptide YY by fat in the proximal but not distal gut depends on an atropine-sensitive cholinergic pathway.

Peptide YY (PYY) is released when PYY cells in short term culture are exposed to fat suggesting that this peptide may be released by fat in the distal gut without neural stimulation. PYY is also released by fat in the proximal 1/2 of small intestine. To test the hypothesis that the release of PYY by fat in the proximal but not distal intestine may depend on an atropine-sensitive, cholinergic pathway, PYY levels were compared in four dogs equipped with duodenal and mid-intestinal fistulas when 60 mM oleate was perfused into either the proximal (between fistulas) or distal (beyond mid-intestinal fistula) 1/2 of gut at 2 ml/min for 120 min with intravenous administration of saline or atropine. We found that, when fat was confined to the proximal 1/2 of the intestine, PYY release was reduced following intravenous atropine when compared with saline (p<0.01). However, when fat was confined to the distal 1/2 of the intestine, PYY release was not affected by the intravenous atropine. We conclude that PYY release by fat in the proximal but not distal intestine depends on an atropine-sensitive, cholinergic pathway.

Adipose Tissue↗