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Pelvic organ prolapse.

The separate disease entities that are included in the general term of pelvic organ prolapse have been discussed in detail in this chapter. The focus of discussion centered on the pathophysiology and clinical presentation of these conditions. At this point, the emergency physician should be able to properly recognize, assess, initiate treatment, and obtain appropriate referral in cases of pelvic organ prolapse. Postoperative complications commonly seen after these entities are repaired have also been reviewed to help the emergency medicine physician recognize and mange common postoperative complications.

Emergency Service, Hospital↗

Neoplasms of the bovine gastrointestinal tract.

Neoplasms of the bovine gastrointestinal tract are rare, possibly because of the low age of the sample population (slaughtered cattle). Forestomach neoplasia (papilloma/squamous cell carcinoma) has a high incidence in cattle from northern England and Scotland because of the mutagenic effects of bracken fern consumption and its interaction with BPV-4. Lymphosarcoma in the abomasum occurs in 41 per cent of cattle with lymphosarcoma, the most common bovine neoplasm in the United States. Small intestinal adenocarcinoma is associated with the papilloma/squamous cell carcinoma complex in the forestomach in England and Scotland, but occurs sporadically in other geographic locations. These lesions may be amenable to surgery, but death from metastatic disease occurs within 1 year. Neoplasms of the large intestine are rarely reported, but usually are adenocarcinoma. Adenoma and fibroma of the rectum may produce clinical signs of tenesmus and rectal prolapse. In general, neoplasia in cattle carries a poor prognosis because of early metastasis of adenocarcinoma and the high fatality of lymphosarcoma. Forestomach fibroma may be treated surgically with success, and palliative surgery for focal small intestinal tumors may be rewarding in individual cases.

Animals↗

[Post-diarrhea hemolytic-uremic syndrome: clinical aspects].

Every year in France, about 100 children, most of them less than 3 years old, have typical diarrhea-associated HUS (D + HUS). Evidence of exposure to verotoxin producing E. coli (VTEC), mostly the O157: H7 serotype, is demonstrated in about 85% of cases. A prodromal illness of acute gastroenteritis with diarrhea, often bloody, precedes the HUS by 1 to 15 days. HUS onset is sudden, with the typical association of hemolytic anemia with fragmented red blood cells, thrombocytopenia and acute renal insufficiency. Involvement of other organs than the kidneys may occur, such as severe hemorrhagic colitis with rectal prolapse, bowel wall necrosis or secondary stenosis, acute pancreatitis, central nervous system involvement which determines the vital outcome. Early accurate supportive treatment allows a current mortality rate below 5%, with most deaths due to central nervous system involvement. Five to 10% of children develop end stage renal disease, rarely directly, more often after having recovered some renal function with chronic renal insufficiency during a few years. After 15 or more years follow-up, at least one third of patients have some degree of proteinuria and/or hypertension, and eventually chronic or end stage renal failure. Predictive features of poor renal outcome at the acute phase are severe gastrointestinal involvement, severe CNS involvement, polyncleosis over 20,000/mm3, and duration of initial anuria longer than one week. The role of VTEC in D + HUS makes the disease a public health problem. Preventive measures are essential.

Child↗

The public health significance of Trichuris trichiura.

An estimated 1049 million persons harbour T. trichiura, including 114 million preschool-age children and 233 million school-age children. The prevalence of T. trichiura is high and may reach 95% in children in many parts of the world where protein energy malnutrition and anaemias are also prevalent and access to medical care and educational opportunities is often limited. The Trichuris dysentery syndrome (TDS) associated with heavy T. trichiura, which includes chronic dysentery, rectal prolapse, anaemia, poor growth, and clubbing of the fingers constitutes an important public health problem, as do lighter but still heavy infections, even if not strictly TDS, especially in children. The profound growth stunting in TDS can be reversed by repeated treatment for the infection and, initially, oral iron. However findings from Jamaica strongly suggest that the significant developmental and cognitive deficits seen are unlikely to disappear without increasing the positive psychological stimulation in the child's environment. The severe stunting in TDS now appears likely to be a reaction at least in part to a chronic inflammatory response and concomitant decreases in plasma insulin-like growth factor-1 (IGF-1), increases in tumor necrosis factor-alpha (TNF-alpha) in the lamina propria of the colonic mucosa and peripheral blood (which likely decrease appetite and intake of all nutrients) and a decrease in collagen synthesis. Improvements in cognitive performance have been found after treatment for relatively heavy infections (without chronic dysentery) in school-going children; it is unclear precisely how much T. trichiura interferes with children's ability to access educational opportunities, but treatment of infections whenever possible is obviously sensible. The blood loss that can occur in T. trichiura infection is likely to contribute to anaemia, particularly if the child also harbours hookworm, malaria and/or has a low intake of dietary iron. Community control is important, particularly for the individuals within a population who harbour heavy worm burdens; this means children, with special attention to girls who will experience increased iron requirements and blood loss due to menstruation, pregnancies, and lactation. Mebendazole and albendazole, both of which are on the WHO Essential Drugs List, are very effective against T. trichiura; multiple doses are needed to attain complete parasitological cure in all cases. However the goal of control programmes in endemic areas is morbidity reduction, which follows when intensity of infection is significantly reduced.

Adolescent↗

Intolerance to an extensively hydrolysed formula mistaken for postoperative diarrhoea in a child with neuroblastoma.

BACKGROUND: Persistent diarrhoea has recently been reported as a common problem following surgical resection for advanced abdominal neuroblastoma. CASE STUDY: A 10-month-old child, who had previously had no nutritional problems whilst undergoing chemotherapy treatment for a stage IV neuroblastoma, developed severe diarrhoea following tumour resection. He required nutritional support and was commenced on a continuous overnight nasogastric feed of a non-milk protein hydrolysate feed (MCT Pepdite 0-2, S.H.S. International Ltd, UK) His diarrhoea persisted and it was assumed that this was a postoperative problem which in time would regress. Two months later the child was admitted with a rectal prolapse, and a colonoscopy and biopsy suggested allergic protocolitis. The diarrhoea resolved rapidly on stopping the feed. CONCLUSION: Although he was never re-challenged with the non-milk protein hydrolysate, it appears that he had a rare intolerance to an extensively hydrolysed protein formula which was masked by the assumption that his diarrhoea was a postoperative problem.

Abdominal Neoplasms↗

Treatment of enterocele by abdominal colporectosacropexy - efficacy on pelvic pressure.

OBJECTIVE: Enterocele induces pelvic pressure, obstructed defaecation, lower abdominal pain and/or false urge to defaecate in patients. The aim of this study was to evaluate the efficacy of abdominal colporectosacropexy in these symptoms, especially on pelvic pressure. METHODS: Sixty-two consecutive women with enterocele were included. All patients were symptomatic because they had: pelvic pressure (n = 62), obstructed defaecation (n = 40), lower abdominal pain (n = 8) or faecal incontinence (n = 16). Defaecography confirmed enterocele in all patients. The surgical procedure was performed by the same surgeon and was an abdominal colporectosacropexy with a nonabsorbable Prolene(R) mesh. After surgery, clinical evaluation (62/62 patients) and a telephone questionnaire (56/62 patients) were performed, respectively, 3 months and 27 +/- 13 months after surgery. RESULTS: Defaecography showed rectal abnormalities associated with enterocele in 59/62 patients (rectocele, rectal prolapse). No recurrence of enterocele was observed 3 months after surgery, but 1 patient demonstrated recurrence 10 months after surgery. Pelvic pressure was less frequent after abdominal colporectosacropexy, than before surgery (P < 0.01): pelvic pressure totally disappeared in 41/56 patients, and partially in 10/56 patients. The number of patients with obstructed defaecation, lower abdominal pain, or faecal incontinence was not different before and 27 months after surgery. The number of patients with urinary incontinence was also not different before and after surgery (30 and 27 patients). CONCLUSIONS: This study of a large number of patients with enterocele shows that abdominal colporectosacropexy improves pelvic pressure in most patients and does not modify urinary status.

Journal Article↗

Correlation between genotype and phenotype in patients with cystic fibrosis.

BACKGROUND: Cystic fibrosis is the most common lethal autosomal recessive disorder among whites. Seventy-two percent of patients with this disease are homozygotes or compound heterozygotes for eight mutations of the cystic fibrosis transmembrane conductance regulator gene on chromosome 7: delta F508, G542X, R553X, W1282X, N1303K, 621 + 1G-->T, 1717-1G-->A, and R117H. We studied the relation between genotype and phenotype in patients from 14 countries. METHODS: Each of 399 patients who were compound heterozygotes for delta F508 and one other mutation was matched with the delta F508 homozygote of the same sex who was the closest in age from the same center. A paired analysis was performed of the following outcome variables: age at diagnosis, sweat chloride concentration, growth percentiles, pulmonary-function values, chest-film score, pseudomonas colonization, nasal polyps, pancreatic sufficiency, pancreatitis, diabetes mellitus, meconium ileus, distal intestinal obstruction syndrome, rectal prolapse, cirrhosis, and gallbladder disease. RESULTS: The compound heterozygotes having the genotype R117H/delta F508 clearly differed from the age- and sex-matched delta F508 homozygotes: they more often had pancreatic sufficiency (87 percent vs. 4 percent, P < 0.001), were older when the diagnosis was first made (mean [+/- SD] age, 10.2 +/- 10.5 vs. 2.5 +/- 4.3 years; P = 0.002), and had lower sweat chloride concentrations (80 +/- 18 vs. 108 +/- 14 mmol per liter, P < 0.001). There were no statistically significant differences between delta F508 homozygotes and other compound heterozygotes with regard to any variable tested. CONCLUSIONS: Prenatal and prognostic counseling for patients with the R117H/delta F508 genotype should include the likelihood that they will have long-term pancreatic sufficiency. Patients with the other genotypes should expect the early onset of pancreatic insufficiency. For none of the genotypes studied can predictions be made about the occurrence of common complications or the severity or course of pulmonary disease.

Adolescent↗

Urinary incontinence and pelvic organ prolapse in women with Marfan or Ehlers Danlos syndrome.

OBJECTIVE: This study was undertaken to determine the prevalence of urinary incontinence and pelvic organ prolapse in a cohort of women with either Marfan syndrome or Ehlers-Danlos syndrome. STUDY DESIGN: Female patients with either Marfan syndrome or Ehlers-Danlos syndrome were identified through a medical records search at two urban hospitals. Each patient's medical record was reviewed, and the history of pelvic organ prolapse and urinary incontinence was obtained through telephone interview. RESULTS: Twelve women with Marfan syndrome were identified. Among these women 5 (42%) reported a history of urinary incontinence and 4 (33%) reported a history of pelvic organ prolapse. Eight women with Ehlers-Danlos syndrome were identified. Among these women 4 (50%) reported a history of urinary incontinence and 6 (75%) reported a history of pelvic organ prolapse. CONCLUSIONS: Women with Marfan or Ehlers-Danlos syndrome have high rates of urinary incontinence and pelvic organ prolapse. This finding supports the hypothesized etiologic role of connective tissue disorders as a factor in the pathogenesis of these conditions.

Adult↗

Efficacy of a transforming growth factor beta 2 containing nutritional support formula in a murine model of inflammatory bowel disease.

OBJECTIVE: Dietary, environmental and genetic events may influence host susceptibility to inflammatory bowel diseases (IBD). Transforming growth factor beta 2 (TGF-beta 2), a multifunctional polypeptide (cytokine) present in human and bovine milk, plays a critical role in the development of tolerance, the prevention of autoimmunity, and in anti-inflammatory responses. TGF-beta 2 is a potent inhibitor of intestinal epithelial cell (IEC) growth and stimulates IEC differentiation. The objective of this study was to determine whether a diet containing TGF-beta 2 modulates intestinal injury and immune responses in an Interleukin-10 knockout (IL-10-/-) mouse model of IBD. METHODS: Five-week-old IL-10-/- mice (in BALB/c background) reared in our transgenic facility were fed either an enteral diet (Diet-A) containing TGF-beta 2 or a control enteral diet (Diet-B) not rich in TGF-beta 2. Mice were weighed weekly, monitored for illness and euthanized after eight weeks on the diet. RESULTS: Final weights were 28 +/- 1.2 g (58.2% gain) for Diet-A mice and 23 +/- 1.6 g (32.9% gain) for Diet-B mice (p = 0.0194). The hematocrits were 48.3% for Diet-A compared to 42% for Diet-B mice (p = 0.0021). Mice on Diet-A had significantly lower serum TNF-alpha concentrations. Forty-four percent of mice on Diet-B developed severe diarrhea and rectal prolapse compared with none on Diet-A. Evaluation of intestinal pathology (score 0-4) revealed that animals fed Diet-A had a score of 2.1 +/- 0.4 compared to 3.2 +/- 0.36 in the Diet-B group (p = 0.040). The acute phase protein, serum amyloid A (SAA), was 3.8 times higher in the Diet-B group (p = 0.0038). CONCLUSIONS: IL-10-/- mice fed a TGF-beta 2 containing diet gained more weight, did not develop diarrhea or prolapse, had lower pathological scores, and lower SAAs. These data further support the use of TGF-beta 2 containing enteral diets as one mode of therapy for Crohn's disease.

Animals↗

Experimental systemic infection with Cryptococcus neoformans var. grubii and Cryptococcus gattii in normal and immunodeficient mice.

Cryptococcus neoformans (Cn) var. grubii or Cryptococcus neoformans var. neoformans infection is usually associated with immunocompromised hosts, whereas Cryptococcusgattii more frequently causes disease in immunocompetent hosts. We examined the effects of immunodeficiency and glucocorticoid-induced immunosuppression on systemic murine infection induced by i.v. inoculation with these pathogens. SCID and immunocompetent BALB/c and C57BL/6 mice were infected with <or=107 yeast of Cn var. grubii or C. gattii; immunosuppressed BALB/c mice were infected with <or=106 yeast. Mortality was inoculum size-dependent in each model system, for both organisms. Following infection with 106 CFU of either Cn var. grubii or C. gattii immunocompetent BALB/c mice survived longer than immunosuppressed mice (P<0.0001 in both cases); no differences were found using lower inocula. SCID mice infected with Cn var. grubii or C. gattii died sooner than BALB/c mice (P<0.0013, all comparisons). Unexpectedly, BALB/c mice infected with C. gattii developed external lesions. Immunocompetent mice developed rectal prolapse more frequently whereas immunosuppressed mice developed more frequent skin lesions, predominantly on the tail. The fungal burden was especially high in rectum, skin and lung tissues. Histologic examination showed extensive infection of the rectum and skin and pneumonitis. Determination of CFU from various organs of immunocompetent BALB/c mice infected i.v. with 105 CFU of C. gattii or Cn var. grubii showed significant temporal increase of burdens of Cn var. grubii in brain and liver (P<0.003); other organs showed decreasing fungal burden. C.gattii was recovered only from liver and lungs, no CFU were detected in the other organs. As opposed to epidemiologic observations, our results demonstrate no predilection by C. gattii for infection of immunocompetent over immunosuppressed hosts; immunosuppression increased the risk of severe cryptococcosis by both varieties, especially at high inocula. This is the first report of C. gattii inducing experimental cutaneous and intestinal mucosal infection; Cn var. grubii did not affect these tissues, indicating differences in tissue tropism of these pathogens.

Animals↗

Antibodies to interleukin 12 abrogate established experimental colitis in mice.

In this study, we describe a novel murine model of chronic intestinal inflammation induced by the hapten reagent 2,4,6-trinitrobenzene sulfonic acid (TNBS). Rectal application of low doses of TNBS in BALB/c and SJL/J mice resulted in a chronic transmural colitis with severe diarrhea, weight loss, and rectal prolapse, an illness that mimics some characteristics of Crohn's disease in humans. The colon of TNBS-treated mice on day 7 was marked by infiltration of CD4+ T cells; furthermore, in situ polymerase chain reaction studies revealed high levels of interferon (IFN)-gamma mRNA in diseased colons. Isolated lamina propria (LP) CD4+ T cells from TNBS-treated mice stimulated with anti-CD3 and anti-CD28 antibodies exhibited a Th1 pattern of cytokine secretion: a 20-50-fold increase in IL-2 and IFN-gamma levels and a 5-fold decrease in IL-4 levels as compared with those of stimulated LP CD4+ T cells from control BALB/c mice. Administration of monoclonal anti-IL-12 antibodies to the TNBS-treated mice both early (at 5 d) and late (at 20 d) after induction of colitis led to a striking improvement in both the clinical and histopathological aspects of the disease and frequently abrogated the established colitis completely. Furthermore, LP CD4+ T cells isolated from anti-IL-12-treated mice failed to secrete IFN-gamma upon in vitro stimulation. In summary, the data demonstrate the pivotal role of IL-12 and IFN-gamma in a TNBS-induced murine model of chronic intestinal inflammation. Furthermore, they suggest the potential utility of anti-IL-12 antibodies in patients with Crohn's disease.

Animals↗

Intractable diarrhoea of infancy and its management: modified cost effective treatment.

One-hundred-twenty infants under 1 year of age suffering from intractable diarrhoea were studied. They had received prior treatment in the form of antimicrobials (100 per cent), stool binding substance (50 percent), antimotility agents (50 per cent), and intravenous (IV) fluids (33 per cent). One-third of them had been hospitalised in peripheral hospitals. All of them had diarrhoea of more than 2 weeks' duration, protein energy malnutrition and were very ill. In addition vomiting, dehydration, fever, paralytic ileus, perianal excoriation and rectal prolapse were present in 44, 23, 33, 9, 47, and 3 per cent of the infants, respectively. Anaemia, multiple vitamin deficiencies, and pedal oedema were seen in 70, 10, and 3 per cent of infants, respectively. The infections documented were septicaemia (22 per cent), bronchopneumonia (6 per cent), meningitis (4 per cent), urinary tract infection (3 per cent) and acute supporative otitis media in 2 per cent of infants. Fifty-three per cent of infants had secondary lactose intolerance. Intolerance to milk protein, milk protein and soyabean and milk protein, as well as soyabean and chicken was seen in 4, 2, and 1 per cent cases, respectively. Aetiological agents isolated from stool culture were E. coli, (18 per cent), Klebsiella species (9 per cent), Shigella species (6 per cent), Salmonella typhimurium (2 per cent), Cholera mitschikom (1 per cent), Giardia lamblia (6 per cent), cryptosporidium (1 per cent), and E. histolytica (1 per cent). Candida albicans was grown in 18 per cent of infants. Pseudomembranous colitis was documented in 2 per cent cases.(ABSTRACT TRUNCATED AT 250 WORDS)

Chronic Disease↗

Magnetic resonance imaging of the perineum and pelvic floor.

The aim of this article is to review the magnetic resonance (MR) findings of pelvic floor descent and pelvic organ prolapse in women. In addition, a detailed grading system of pelvic organ prolapse and pelvic floor relaxation based on dynamic MR imaging is presented. The technique described here uses very fast MR sequences, is reproducible and easily learned by radiologists and technologists, is well accepted by patients, and provides as much information as traditional projectional X-ray imaging. Reference points are the pubococcygeal line and puborectalis muscle sling. The grading system is based on degree of organ prolapse through the hiatus and the degree of puborectalis descent and hiatal enlargement.

Female↗

Hemolytic-uremic syndrome colitis.

The hemolytic-uremic syndrome has varied prodromal symptoms. In a few patients the dominant initial gastrointestinal symptoms have led to a presumptive diagnosis of ulcerative colitis. The colitis tends to be self-limited, to have minimal lesions detected by proctoscopic or roentgenographic studies, and usually to resolve spontaneous without specific therapy. Rarely, more serious colonic involvement can progress to toxic megacolon, rectal prolapse, colonic perforation, intussusception, or colonic stricture. Early hemodialysis will reduce morbidity and mortality in patients with severe renal impairment. The physician should be aware of this entity when young patients present with a picture compatible with ulcerative colitis in order to circumvent delayed or inappropriate management of what would appear to be a primary bowel disorder.

Adolescent↗

Constipation and incontinence in the elderly.

We summarize the prevalence and causes of constipation and incontinence in an elderly, drawing particular attention to the roles of immobility, dietary fiber, and dehydration. The physiology of fecal impaction is described in detail, and neurological and mechanical causes (rectal prolapse, rectocele, and hemorrhoids) of constipation are discussed. Consideration is also given to constipation associated with diverticular disease and ulcerative colitis. We also discuss the pathogenesis of fecal incontinence in the elderly, paying particular attention to fecal impaction and neurological causes that result in both constipation and incontinence. The importance of previous obstetric trauma and pudendal enuropathy is emphasized. We conclude with detailed guidelines of the clinical assessment and management of an elderly patient with a disorder of defecation.

Aged↗

Gastrointestinal manifestations of hemolytic uremic syndrome: recognition of pancreatitis.

A retrospective study of 76 children with hemolytic uremic syndrome (HUS) who were admitted to the Alberta Children's Hospital in Calgary. Alberta between January 1982 and December 1988 was undertaken to explore the gastrointestinal manifestations of the syndrome. The children (mean age of 4.0 +/- 3.1 years) presented primarily during the summer months with a microangiopathic hemolytic anemia (Hgb 94 +/- 26 g/L), thrombocytopenia (platelets 87 +/- 83 X 10(9)/L), and acute renal failure (oligoanuria with a BUN of 26 +/- 15 mmol/L, and a creatinine of 294 +/- 90 mumol/L). Forty-three children required dialysis for 10 +/- 17 days. The duration of hospitalization was 17 +/- 17 days. Four children died of complications attributable to HUS. The following symptoms and gastrointestinal manifestations of HUS were noted: fever (33%), vomiting (80%), abdominal discomfort/tenderness (59%), diarrhea (100%), hemorrhagic colitis (79%), rectal prolapse (13%), colonic stricture (3%), colonic perforation (1%), intussusception (1%), indirect hyperbilirubinemia (49%), and elevated hepatocellular enzymes (58%). Of the last 29 children studied, 19 (66%) had elevated levels of amylase and lipase in the presence of acute renal failure, and six (21%) had a marked elevation of lipase (more than four times normal) with additional supportive evidence of pancreatitis. The additional supportive evidence included persistent elevation of lipase after the resolution of acute renal failure in four children, a marked increment in lipase in association with abdominal pain and an abnormal ultrasound of the pancreas after the initiation of oral feeding in a fifth child, and pancreatic exocrine and endocrine necrosis at autopsy in a sixth child.(ABSTRACT TRUNCATED AT 250 WORDS)

Acute Kidney Injury↗

Health burden of pertussis in infants and children.

In countries with high rates of vaccination against pertussis, the incidence of this disease has decreased dramatically compared with the prevaccine era. However, pertussis still occurs in these countries, and severe morbidity and mortality are greatest among infants, particularly those who are unimmunized or incompletely immunized. Pertussis in older children and adults is perceived by many as being a mild disease, but it is a significant health burden in persons of all ages. Infants with pertussis experience the highest rates of hospitalization, complications and death. Severe complications include pneumonia, encephalopathy and meningoencephalitis. In addition, infants may experience weight loss, bronchitis, otitis media, apnea, cyanosis, inguinal hernia and rectal prolapse. It is essential to explore methods to prevent disease transmission to infants in the months before they complete their primary immunization series. The Global Pertussis Initiative was established to assess the true health burden of pertussis in infants and to suggest strategies to combat transmission and infection with Bordetella pertussis, which remains a significant public health concern.

Cause of Death↗

Studies on lorazepam as a premedicant for thiopental anaesthesia in the dog.

Four mg of lorazepam was given intravenously 5 min prior to thiopental anaesthesia in 5 clinically healthy dogs weighing 14 +/- 2 kg and aged about 10-12 months. Animals required only 7.0 +/- 1.5 ml of 5% thiopental sodium to achieve surgical anaesthesia which lasted about 30.4 +/- 3.3 minutes. There was adequate muscle relaxation and loss of pedal and palpebral reflexes. Five min after administration of lorazepam, there was no appreciable change in various cardiopulmonary dynamics. However, there was moderate arterial hypertension, tachycardia and arterial hypoxemia 15 min after the onset of the thiopental anaesthesia. There was no respiratory depression. The lorazepam-thiopental combination was also attempted in 16 clinical cases varying from repair of fractures of long bones (9), mammary tumour (2), ear haematoma (1), ear cropping (1), tail gangrene (2) and rectal prolapse (1). This combination of anaesthesia proved extremely useful for orthopaedic surgery as the muscle relaxation was adequate and reduction of the fractured ends was comparatively easier.

Anesthesia↗