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At least 793 records · Page 44Linked to original sources
PubMed2002

Successful application of laparoscopic surgery to the treatment of Crohn's disease with fistulas.

PURPOSE: The role of laparoscopic surgery in patients with Crohn's disease remains to be defined, although increasingly difficult cases are being treated using minimally invasive techniques. We examined technical feasibility in 20 patients with Crohn's disease associated with fistulas. METHODS: Laparoscopic surgery was attempted in 37 patients with stricturing ileal disease or ileocolonic Crohn's disease from 1994 to 2000 after failure of strict nutritional therapy. Twenty of these patients with a total of 31 intestinal fistulas (14 ileoileal, 6 ileocolonic, 5 ileorectal, 2 ileovesical, 2 ileocutaneous, 1 gastrocolic, and 1 ileoduodenal) underwent 25 operations. Fistulas were divided intracorporeally, except for ileoileal fistulas. Fifteen patients underwent ileocecal resection; six underwent strictureplasty; six underwent partial resection of the small intestine; three underwent segmental colonic resection; and one underwent resection of anastomotic recurrence. Median follow-up was 48 (range, 5-77) months. RESULTS: Oral intake was started a median of 1 (range, 1-9) day after operation, and patients were discharged a median of 8 (range, 6-21) days after surgery. Four complications were observed in 25 operations (16 percent), including 1 intestinal obstruction/ileus, 2 wound infections, and 1 intra-abdominal abscess. There were no intraoperative or postoperative deaths. Four of the 5 operations were converted to open surgery (16 percent). Three of the 5 patients (60 percent) who required reoperation for anastomotic recurrence underwent repeated laparoscopic surgery using the same small incision. CONCLUSION: Laparoscopic treatment for Crohn's disease complicated by fistulas is feasible without high complication or conversion rates. Recurrent disease requiring reoperation can also be successfully treated using laparoscopic methods.

Adult↗
PubMed1976

[Hyperproduction of the epithelium and its vital rejection in the lumen of the small intestine outside the "rejection zone"].

Whole and histologically-treated biopsy material of the small intestinal mucosa of dogs with a full intestinal fistulae and of dogs with a portion of the small intestine excluded from digestion was studied. An intensive production of the surplus epithelial structures (protrusions, layers) was revealed in the areas of the crypts and the base of the villi. Rejection of these structures into the intestinal lumen occurred outside the "expulsion zone" with the preservation of the intactness of the villar surface. Less marked signs of this process were seen in control material. The data obtained testify to the fact of the existence of another way of development of the crypt cell leaving the crypt-villus system in the composition of the branching and rejecting epithelial structures.

Animals↗
PubMed1981

Management of acute full-thickness losses of the abdominal wall.

Over a 20-year interval, 167 patients sustained acute full-thickness abdominal wall loss due to necrotizing infection (124 patients), destructive trauma (32 patients), or en bloc tumor excision (11 patients). Polymicrobial infection or contamination was present in all but five of the patients. Of 13 patients managed by debridement and primary closure under tension, abdominal wall dehiscence occurred in each. Only two patients survived, the 11 deaths being caused by wound sepsis, evisceration, and/or bowel fistula. Debridement and gauze packing of a small defect was used in 15 patients; the single death resulted from recurrence of infectious gangrene. Pedicled flap closure, with or without a fascial prosthesis beneath, led to survival in nine of the 12 patients so-treated; yet flap necrosis from infection was a significant complication in seven patients who survived. The majority of patients (124) were managed by debridements, insertions of a fascial prostheses (prolene in 101 patients, marlex in 23 patients), and alternate day dressing changes, until the wound could be closed by skin grafts placed directly on granulations over the mesh or the bowel itself after the mesh had been removed. Sepsis and/or intestinal fistulas accounted for 25 of the 27 deaths. Major principles to evolve from this experience were: 1) insertion of a synthetic prosthesis to bridge any sizeable defect in abdominal wall rather than closure under tension or via a primarily mobilized flap; 2) use of end bowel stomas rather than exteriorized loops or primary anastomoses in the face of active infection, significant contamination, and/or massive contusion; and 3) delay in final reconstruction until all intestinal vents and fistulas have been closed by prior operation.

Abdominal Muscles↗
PubMed2005

Pelvic exenteration for recurrent gynecologic malignancy: survival and morbidity analysis of the 45-year experience at UCLA.

OBJECTIVE: To retrospectively assess the outcome of patients undergoing pelvic exenteration for recurrent or persistence gynecologic malignancy and the clinical features associated with outcome and survival. METHODS: A review was conducted of patients who underwent pelvic exenteration over a 45-year period (1956-2001) at the UCLA Medical Center. Numerous clinical variables were analyzed, including time to relapse, type of exenteration and reconstructive operation, early (<60 days) and late (>60 days) morbidity, and survival. Variables were analyzed by chi-square and life-table analysis. RESULTS: Seventy-five patients (ages 26-74 years) had persistent cervical and vaginal (67) and uterine (8) cancer. Forty-six patients underwent total exenteration, 23 anterior, and 6 posterior. Sixty-nine (92%) patients underwent urinary diversion or neocystoplasty, 54 (72%) patients had a simultaneous neovagina created, and 43 of 52 (83%) patients who had a low colon resection had a primary reanastomosis. Twenty-nine patients died from recurrent malignancy, 28 were alive without disease, 11 were alive with disease, and 7 died from other causes at last follow-up. Survival for patients with cervical and vaginal cancer was 73% at 1 year, 57% at 3 years, and 54% at 5 years. Survival for patients with uterine cancer was 86% at 1 year, 62% at 3 and 5 years. The most frequent early morbidity was urinary tract infection, wound infection, and intestinal fistula; the most frequent late morbidity was urinary tract infection and intestinal obstruction. CONCLUSION: Pelvic exenteration in patients with recurrent cervical and vaginal malignancy is associated with a durable > 50% 5-year survival. Simultaneously performed pelvic reconstructive operations with a continent urinary diversion, the creation of a neovagina, and the reanastomosis of the colon with the formation of a J-pouch is now our standard; and these operations tend to improve the outcome of patients. Based on our initial experience, recurrent uterine corpus cancer in young women (< 55 years) should be included as an indication for the surgery.

Adult↗
PubMed2000

Entrainment of intestinal slow waves with electrical stimulation using intraluminal electrodes.

The aim of this study was to investigate whether the intestinal stimulation would be feasible using a less invasive method: intraluminal electrodes. The study was performed in nine healthy hound dogs (15-26 kg). Four pairs of electrodes were implanted on the serosa of the jejunum at an interval of 5 cm with the most proximal pair 35 cm beyond the pylorus. An intestinal fistula was made 20 cm beyond the pylorus. Simultaneous recordings of intestinal myoelectrical activity were made for 2 h in the fasting state from both intraluminal and serosal electrodes. Various pacing parameters were tested. The frequency of the intestinal slow wave recorded from the intraluminal electrodes was identical to that from the serosal electrodes (18.78+/-0.3 cpm vs 18.75+/-0.3 cpm, r=0.99, p <0.001), and so was the percentage of normal 17-22 cycles/ min waves (95.83+/-3.9% vs 98.16+/-1.33%, r=0.96, p<0.01). A complete entrainment of the intestinal slow wave was achieved in every dog with electrical stimulation using intraluminal ring electrodes. The effective pacing parameters were pulse width of 70 ms, amplitude of 4 mA and frequency of 1.1 IF (intrinsic frequency). The time required for the entrainment of the intestinal slow wave with intraluminal pacing was 25.0+/-2.1 s. The maximum driven frequency was found to be 1.43+/-0.01 IF. The results reveal that intraluminal pacing is an effective and efficient method for the entrainment of intestinal slow waves. It may become a potential approach for the treatment of intestinal motor disorders associated with myoelectrical abnormalities.

Animals↗