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At least 343 records · Page 19Linked to original sources
PubMed1996

Microvascular anastomoses. A comparative study of fibrinogen adhesive and interrupted suture techniques.

A modified sleeve technique was developed for making microsurgical anastomoses using a commercially produced fibrinogen adhesive called Tisseel. A controlled study was then carried out to compare the new fibrinogen adhesive anastomoses with conventional suture anastomoses in a bilateral groin flap model using 50 consecutive rabbits. Statistical analysis of the results indicated that flap survival rate and vascular patency rate were comparable for the two techniques. The fibrinogen adhesive anastomoses took less time to complete and, subjectively, were less difficult technically. The suture anastomoses were more versatile. Histologic studies revealed that the adhesive did not flow through the sleeve into the lumen, and that, although there was a brief inflammatory response associated with healing, this inflammation was very localized and did not involve the inner layers of the vessel wall or lumen. It was concluded that the new technique was a useful addition to techniques already available.

Anastomosis, Surgical↗
PubMed1999

Completely laparoscopic resection of a rare pyloric tumor with laparoscopically sutured gastroduodenostomy.

We report the case of a 31-year-old woman who presented with epigastric pain and weight loss. Esophagogastroduodenoscopy revealed a submucosal mass in the distal antrum and pylorus. Endoscopic biopsy of the mass was nondiagnostic. A CT scan confirmed a 3.0-cm mass in the posterior wall of the distal antrum. She underwent laparoscopic resection of the distal antrum and pylorus with end-to-end gastroduodenostomy. Pathologic examination showed an adenomyoma of the antrum and pylorus. Her postoperative course was uncomplicated, and she continues to do well 38 months postoperatively. Gastric adenomyoma is a rare, benign intramural tumor of the antrum and pylorus. Fewer than 40 cases have been described in the literature. The lesions are generally within 4 cm of the pylorus. Histologically, they are characterized by ductal structures lined by cuboidal to columnar epithelium surrounded by smooth muscle bundles and, occasionally, Brunner's-type glands and heterotopic pancreas. Treatment is by resection, and recurrence has not been reported. Laparoscopic resection of portions of the stomach has been reported. Side-to-side gastrojejunostomies (Billroth II) performed laparoscopically have been reported. This is the first report in the English-language literature of a completely laparoscopically performed sutured gastroduodenostomy. Technical details of the procedure and adenomyomas are discussed.

Adenomyoma↗
PubMed1991

Cecal rupture after continent ileocecal urinary diversion during total pelvic exenteration.

Continent ureteral diversion at the time of pelvic exenteration avoids an external appliance and allows patients to retain "bladder" reservoir function. The technical difficulty of this procedure requires meticulous attention to operative and perioperative care, particularly after pelvic irradiation. A patient with recurrent stage IIIB carcinoma of the cervix underwent total pelvic exenteration with reconstructive procedures including low rectal anastomosis, neovagina formation, and ileocecal (Indiana) continent diversion. Early catheterization of the reservoir began 2 weeks postoperatively. One week later cecal rupture occurred, not related to suture line (technical) failure. Because of the high wall tension and reduced compliance in the irradiated cecum, we do not recommend catheterization of the urinary reservoir before 4-6 weeks. In order for continent diversion to become the standard diversion in exenteration patients, the major complication rate must remain comparable to that of noncontinent diversion.

Carcinoma, Squamous Cell↗
PubMed2005

Detection of construction errors in ex vivo coronary artery anastomoses by 13-MHz epicardial ultrasonography.

OBJECTIVE: Intraoperative detection of suboptimal coronary anastomoses allows revision before chest closure. We evaluated an epicardial 13-MHz ultrasound minitransducer as a means to detect three different coronary anastomosis construction errors. METHODS: In total, 120 internal thoracic artery-to-coronary artery anastomoses were constructed correctly (n = 60) or incorrectly (n = 60) with one technical error: suture crossover, purse-string or deep toe stitch (n = 20 each). Anastomoses were performed on ex vivo pressure-perfused porcine (96 anastomoses) and human hearts (24 anastomoses). Two blinded observers scanned and scored the anastomoses with epicardial ultrasonography. In 24 human and 24 porcine anastomoses, angiograms were made of 24 correct and 24 incorrect anastomoses and scored by two other blinded observers. Angioscopy and cast injection served as a reference. RESULTS: Overall, 119 of 120 anastomoses were accurately scored as correct or incorrect within a median of 67 seconds (8-381 seconds) by both observers (sensitivity 0.98, specificity 1.00, kappa 1.00 (1.00, 1.00, and 1.00 in angiography subset, respectively). One deep toe stitch that induced outflow corner stenosis was spotted by both observers but regarded as insignificant and thus inaccurately scored as correct. In 5 anastomoses, unintended irregularities were detected. By angiography, anastomoses were accurately scored with a sensitivity of 0.75 and a specificity of 0.81 ( P < .001 vs ultrasonography) and kappa of 0.54. Angioscopy and cast confirmed ultrasonographic findings and did not reveal irregularities other than detected by ultrasonography. CONCLUSION: Ex vivo epicardial 13-MHz ultrasonography allowed rapid and accurate evaluation of coronary anastomoses and detected technical construction errors with higher sensitivity and specificity than angiography.

Angioscopy↗