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At least 1,081 records · Page 60Linked to original sources
PubMed2001

Long-term patency of experimental magnetic compression gastroenteric anastomoses achieved with covered stents.

BACKGROUND: Our aim was to evaluate the efficacy of a prototype "YO-YO"-shaped covered stent for keeping experimental magnetic compression gastroenteric fistulas patent for 6 months. METHODS: Magnets were introduced perorally with endoscopic and fluoroscopic guidance and were mated across the gastric and jejunal walls of 5 dogs. After a mean of 5.5 days a 12-mm diameter YO-YO stent was placed perorally in the resulting fistula. The gastroenteric anastomosis (GEA) with stent was observed endoscopically and gastrographically at 1- to 2-month intervals. RESULTS: There was no morbidity and there were no significant weight changes. The GEA was widely patent at necropsy at 6 months (n = 4); partial membrane separation occurred at 5 months in the fifth dog. There was minor breakage of the stent prongs in 2 animals. CONCLUSION: Peroral creation of a stented magnetic compression GEA is safe and provides long-term patency. This technique may be potentially useful for managing gastric outlet obstruction caused by malignancy.

Anastomosis, Surgical↗
PubMed2002

Laparoscopic surgery for inflammatory bowel disease: current concepts.

BACKGROUND: The aim of a laparoscopic approach is reduced pain scores, early mobilization, virtual absence of wound sepsis, rapid return of gastrointestinal function, early discharge from hospital and return to normal activity and improved cosmetics. Potential advantages are fewer complications due to adhesion formation, viz. small-bowel obstruction, infertility and chronic abdominal pain-advantages that are of particular importance to patients with inflammatory bowel disease (IBD) since they are young and in the middle of building up their socio-economic life. This review highlights the current status of laparoscopic surgery for patients with IBD. METHODS: Virtually all abdominal procedures carried out in patients with IBD can be done laparoscopically, and vary from stoma formation to restorative proctocolectomy. RESULTS: Conversion rates and operating times depend on the surgical expertise and patient-related factors, viz. prior laparotomy, the presence of intestinal fistula or inflammatory masses. Morbidity rates are similar to those of open surgery provided that the procedures are done by expert laparoscopic surgeons. The observed earlier recovery contributed to laparoscopic surgery has not been proved in well-conducted trials; however, an advantage can be expected. A very obvious feature of laparoscopic surgery is the improved cosmetics, which might turn out to be the most important advantage of the laparoscopic approach in this relatively young patient group. CONCLUSION: The laparoscopic approach can be considered the procedure of first choice in patients with IBD provided the surgery is done by expert laparoscopists ensuring low conversion rates, acceptable operating times and low morbidity.

Colectomy↗
PubMed2003

Surgical management of acute necrotizing pancreatitis: a 13-year experience and a systematic review.

BACKGROUND: The course of acute pancreatitis (AP) is unpredictable and can vary from mild to lethal. Mortality varies from low (<2%) in mild cases to high (20%-70%) in the case of infected pancreatic necrosis. Surgical management has not been investigated in well-designed trials. Based on literature review and retrospective results from our institution, recent insights are summarized and recommendations concerning surgical treatment of AP are given. METHODS: Data of patients who underwent necrosectomy for AP in our hospital in the period 1988-2001 were reviewed. Surgical treatment strategy was divided into open abdomen strategy (OAS) and primary closure with continuous postoperative lavage (CPL). An extensive database literature search was performed to obtain articles on surgical management of AP. Level 5 evidence articles were excluded. RESULTS: In our institution, 38 patients were treated with OAS and 21 with CPL. Mortality was high (47% in the OAS group and 33% in the CPL group). The primary cause of mortality was multiorgan failure. Only 50 manuscripts from the literature search contained useful data. Mortality of patients with OAS and CPL treatment was 27% and 15%. respectively. Fewer cases of gastro-intestinal fistulas. bleeding and re-interventions were reported with CPL. The majority of all survivors regained a good quality of life. CONCLUSION: Mortality of acute necrotizing pancreatitis remains high, despite optimal surgical and medical treatment. Current surgical practice is not based on well-designed clinical trails. Randomized studies are needed to define evidence-based surgery in acute necrotizing pancreatitis.

Drainage↗
PubMedDate not supplied

A Phase II NCCTG study of irinotecan and docetaxel in previously treated patients with non-small cell lung cancer.

PURPOSE: This Phase II study was undertaken to define the efficacy and toxicity of the combination of docetaxel and irinotecan for the second-line treatment of non-small cell lung cancer (NSCLC). PATIENTS AND METHODS: Forty-six patients with measurable NSCLC who had relapsed after an initial response to chemotherapy or who had failed to respond to initial chemotherapy, received 130 mg/m2 of irinotecan IV over 90 minutes and 50 mg/m2 docetaxel IV over 60 minutes on Day 1 q3 weeks for 6 cycles. Dexamethasone and diphenhydramine pretreatment were given. Response to treatment was evaluated by response evaluation criteria in solid tumors RECIST criteria, and toxicity was graded according to the National Cancer Institute Common Toxicity Criteria (NCI CTC) version 2.0. RESULTS: The most common severe (NCI CTC Grade 3+) adverse events were neutropenia (67 percent), diarrhea (28 percent), fatigue (20 percent), nausea (17 percent), infection (15 percent), vomiting (13 percent), leucopenia (13 percent), abdominal pain (11 percent), and dyspnea (11 percent). Grade 5 toxic events were seen in 2 patients. One of these 2 cases was a possibly-treatment related event (intestinal fistula). The median number of treatment cycles received was 3. Twelve patients (26 percent) received all 6 cycles of treatment. Five patients (11 percent) had a confirmed response (complete response (CR), partial response (PR), or regression). Median follow-up for the five surviving patients is 26.5 months (range: 25.1-28.4). Forty-two patients have reported progressive disease and 41 patients have died. Median time-to-progression (TTP) and survival are 2.6 months and 7.5 months, respectively. CONCLUSION: This second-line treatment regimen of irinotecan and docetaxel in NSCLC patients has shown activity, but can not be recommended over single-agent regimens because of significant toxicity.

Adult↗
PubMed1978

Metabolism and recycling of urea in man.

The rate of breakdown and reutilization of urea in man has been measured in five normal and two septic patients using 15N and 13C labeled ureas. The labeled molecules of the 15N urea dose were distinguished from the labeled molecules of the recycled urea by analyzing in a mass spectrometer the isotopic nitrogens produced when the recrystalized urine urea was treated with a hypobromite solution. In a normal subject with regular nitrogen intake, it was found that only 4/5 of the produced urea was excreted in urine and the rest was endogenously degraded. Seventy percent of the nitrogen and 63% of the carbon of the degraded urea were returned to the urea pool. On a nitrogen-free diet or after neomycin treatment with regular diet in the normal, the extent of urea splitting is considerably reduced. In the septic patients, breakdown, as well as recycling of urea was almost eliminated. It appears that the reate of endogenous catabolism of urea depends mainly on the activity of the gut flora which may be affected by dietary intake and clinical status of the subject. The method developed here could be applied for the quantitation of urea dynamics under different physiological and pathological conditions.

Adult↗
PubMed1989

Ticarcillin/clavulanate in the treatment of severe peritonitis.

A prospective study was performed on 50 consecutive patients with secondary peritonitis. All patients received ticarcillin/clavulanate 5.2 g three times daily as initial antibiotic therapy. In 30 patients a primary perforation was found in the gastro-intestinal tract and 20 had post-operative peritonitis. In two thirds of the patients a diffuse peritonitis was found which affected the whole abdomen. Thirty-six patients underwent one or two laparotomies and 11 patients had more than three laparotomies. Subsequently, 17 patients died. The cause of death was a therapeutic failure as a result of the surgical procedure in ten patients (nine patients with persisting intestinal fistulae, one patient with bleeding), whereas in seven cases antibiotic therapy failed. Micro-organisms found in the latter patients were producers of type 1 beta-lactamase (Pseudomonas aeruginosa, Enterobacter sp., Citrobacter sp., Serratia marcescens) and enterococci. Ticarcillin/clavulanate is characterized by its broad antimicrobial spectrum against anaerobic and aerobic bacteria and seems, therefore, to be well suited for initial chemotherapy in patients with diffuse peritonitis.

Adult↗