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At least 1,171 records · Page 65Linked to original sources
PubMed1979

Volvulus of the cecum: choice of operation.

Although it is clear that there is a significant frequency of recurrent volvulus after cecopexy, there is no evidence from either this series or previous reports that resection is associated with a lower recurrence rate than tube cecostomy. In the absence of data suggesting a clear superiority of colon resection, it appears that tube cecostomy should be the treatment of choice for cases of cecal volvulus that are not complicated by vascular compromise.

Adolescent↗
PubMed1976

Gastrointestinal tuberculosis.

Gastrointestinal tuberculosis continues to occur sporadically in hospitals in the British Isles. Accurate diagnosis may enable its rare but lethal complications to be anticipated. Pathology, clinical features and treatment are reviewed. The use of antituberculous chemotherapy and corticosteroids is discussed with reference to 14 cases of gastrointestinal tuberculosis seen in Southampton between 1951 and 1973.

Adrenal Cortex Hormones↗
PubMed1992

An experimental model of ameboma in guinea pig.

Among the wide variety of clinicopathological manifestations of intestinal amebiasis, amebomas occur rarely and their pathogenesis is not well understood. When cholesterol-fed, 2- to 4-week-old guinea pigs were infected intracecally with a virulent, monoaxenic strain of Entamoeba histolytica, gross and histologically characteristic amebomas developed in 85% of the animals by the 3rd day, in 94% by the 9th day, and in 96% by the 12th day postinfection, by which time most of them had died. Amebomas were confirmed by histopathology. Thus, a model of consistent production of amebomas was documented.

Animals↗
PubMed1992

Effect of ingestion of eicosapentaenoic acid ethyl ester on carrageenan-induced colitis in guinea pigs.

The effect of highly purified eicosapentaenoic acid ethyl ester (EPA-E) on colitis was investigated using a guinea pig model. The technique for preparing a degraded carrageenan with a molecular weight of about 30,000 from commercial iota-carrageenan was first refined. When this degraded carrageenan was fed to guinea pigs, localized ulcerations occurred in the cecum with infiltration of numerous mononuclear phagocytes. Oral administration of 300 mg.kg-1.day-1 of EPA-E for 3 weeks significantly prevented the development of colitis. The amounts of prostaglandin E2, thromboxane B2, and leukotriene B4 released from the cecal mucosa were also measured. The release of prostaglandin E2 and thromboxane B2 was significantly decreased in the animals fed EPA-E compared with those given olive oil or a vehicle alone. In addition, there was a positive correlation between the amounts of these eicosanoids and the degree of ulcer formation. However, there was no difference in the amount of leukotriene B4 among various experimental groups of animals. Furthermore, EPA-E feeding induced a significant decrease in the level of arachidonic acid and a significant increase in that of EPA in peritoneal macrophages. These results suggest that EPA has a prophylactic effect on the development of carrageenan-induced colitis, which may be ascribed in part to reduced eicosanoid production.

Animals↗
PubMed1995

Comparative studies on the efficacy of sulphachlorpyrazine and toltrazuril for the treatment of caecal coccidiosis in chickens.

The therapeutic efficacy of sulphachlorpyrazine and toltrazuril against experimentally induced Eimeria tenella infection was compared in battery and floor pen raised broiler chickens. In the battery studies, both drugs prevented coccidiosis-related mortality and decrease of weight gain to a similar degree, but toltrazuril was more effective in reducing intestinal lesions and faecal scores, when treatments were initiated 24 h postinfection. When medication was delayed until 72 h after inoculation, the sulphonamide proved to be more effective in preventing reduction of weight gain and intestinal lesions caused by the parasites. Under simulated use conditions both drugs showed an appropriate anticoccidial efficacy without major differences between them.

Animals↗
PubMed1975

Neonatal small left colon syndrome: intramural not intraluminal obstruction.

We have described a characteristic syndrome of intestinal dysfunction in infants of diabetic mothers. This finding appears to result from a transient intramural dysfunction. Many respond to rectal irrigations alone. However, a significant number will require close observation and possible diversion for persistent partial intestinal obstruction. Failure to recognize persistent obstruction may result in intestinal perforation.

Cecal Diseases↗
PubMed1992

Single-system cecoureterocele.

A rare case of single system cecoureterocele associated with ipsilateral dysplastic kidney in a 4-year-old girl is reported. The preoperative radiological and endoscopic investigations identified ureterocele but not its cecal extension. The latter was diagnosed only during the transvesical surgery. Complete cure of her symptoms was achieved following staged procedures comprising of right ipsilateral nephroureterectomy followed by combined transvesical and transurethral deroofing of the cecoureterocele, excision of ureteric stump and its extension in the bladder and repair of the detrusor. This is the second case report in English language literature of single-system cecoureterocele.

Cecal Diseases↗
PubMed1994

Yersinia pseudotuberculosis affecting the appendix.

Yersinia pseudotuberculosis is an uncommon cause of abdominal pain. It has a much lower incidence than Yersinia enterocolitica, and most reports have emanated from Europe or North America. This report is about a patient with Yersiniosis affecting the appendix alone, in contrast to the usual picture of mesenteric adenitis or septicemia associated with this organism.

Appendix↗
PubMed1994

Cecal volvulus in the Cornelia de Lange syndrome.

Cornelia de Lange syndrome is a congenital malformation characterized by severe growth failure, mental retardation, and multiple physical anomalies. A variety of gastrointestinal anomalies have been described, including malrotation, colonic duplication, and nonfixation of the colon. Two patients with Cornelia de Lange syndrome presented to our institution with acute distal bowel obstruction. In both cases, emergency laparotomy showed cecal volvulus with necrosis of the terminal ileum, cecum, and ascending colon, secondary to nonfixation of the colon. Resection and an end-ileostomy were performed and later successfully reversed in both patients. Intestinal obstruction is a known cause of death in these children, and nonfixation of the colon has been identified during autopsy. Parents of children with Cornelia de Lange syndrome should be counseled as to the possibility of bowel obstruction resulting from cecal volvulus. This awareness may lead to earlier identification and treatment of this potentially lethal gastrointestinal tract anomaly.

Cecal Diseases↗
PubMed1994

Accuracy of Doppler sonography in the evaluation of acute conditions of the scrotum in children.

During a 12-month period, 65 boys (newborn to 18 years of age) with acute scrotal pain or swelling underwent Doppler sonography of both testes, followed by scintigraphy (15) and/or surgery (34) and close clinical follow-up for at least 4 months (23). Pulsed Doppler was performed with an ATL UM8 or Quantum II apparatus, using 7.5- or 10-MHz transducers. In 25 patients, color Doppler was also used. The testicular artery was deemed patent if Doppler shifts from branches within the parenchyma could be found. (Doppler signals from scrotal or marginal arteries were considered nondiagnostic). Through surgery, 19 testicular torsions were noted. Seventeen were diagnosed as such with Doppler. Two boys with torsion were deemed normal at the time of both Doppler and scintigraphy evaluation. One boy had a second Doppler examination 13 hours later, which showed no flow. The testicle was necrotic at the time of surgery. The second boy had had 8 hours of symptoms and had a viable testis at the time of surgery. This probably represented intermittent torsion. In six of the 65 cases, no signals could be found on either side, and they were deemed technical failures of the test. Doppler sonography was technically successful in 59 of the 65 patients (91%) and yielded a sensitivity of 89% and specificity of 100%. Comparing the normal and painful side helped to define technical failures. Pulsed Doppler with mechanical sector scanners was more sensitive than color Doppler. Intermittent torsion was missed with both Doppler sonography and scintigraphy. Although ultrasonography cannot replace clinical judgement, it may be very helpful in unclear cases.

Adolescent↗
PubMed1995

An intraluminal model of necrotizing enterocolitis in the developing neonatal piglet.

UNLABELLED: The most common risk factors for the development of necrotizing enterocolitis (NEC) are prematurity and enteral feeding. Most models of NEC involve ischemic insult resulting in generalized necrosis, different from the classical ileocecal predilection of NEC. This anatomic predisposition is explained by dysmotility of immature gut, leading to bacterial overgrowth in the terminal ileum and colon. Infant formula containing lactose as the sole carbohydrate source overwhelms partially developed lactase activity, allowing enteric bacteria to ferment excess carbohydrate to short-chain fatty acids, decreasing intraluminal gut pH and predisposing to mucosal injury. Impaired clearance of intraluminal contents exacerbates this effect. In the present study the authors used a model of NEC, originally developed in rabbits and based on analysis of intestinal contents of NEC babies, modified and adapted here to neonatal piglets, the gastrointestinal tract of which more closely resembles the human neonate. METHOD: Piglets < 3 days old and 2 weeks old were laparotomized. Loops created from the distal ileum to the proximal colon were injected with isoosmolar acidified casein solution or 0.9% saline. Segments were harvested 3 hours later, sectioned for H&E, and graded from 0 (intact villi) to 4 (transmural necrosis). RESULTS: Acidified casein-induced damage included areas of necrosis, submucosal edema, inflammatory cell infiltrate, and lymphatic distension. In younger animals, lesions were more pronounced (3.25 +/- 0.13 for the < 3-day-old v 2.43 +/- 0.14 for the 2-week-old piglets; P < .005). CONCLUSION: The authors believe that this piglet NEC model most closely approximates human NEC because it incorporates two of the most common risk factors: dysmotility (by creating intestinal loops) and enteral feeding (by intraluminal injection of acidified casein).

Aging↗