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PubMed2002

Typhlitis complicating induction therapy in adult acute myeloid leukemia.

In a retrospective analysis of 161 consecutive adult patients with de novo acute myeloid leukemia undergoing induction therapy, including cytarabine, etoposide and anthracyclines, seven patients (4.3%) developed typhlitis. All presented severe neutropenia, fever, abdominal pain and tenderness within 16 days from starting chemotherapy (median 11 days; range 5-16). Three patients underwent surgery and survived, four were treated only with supportive therapy: two recovered and two died. In our experience early recognition of typhlitis and rapid recovery of the neutrophils are the most important determinants of the results of surgical and/or medical approaches. The management of typhlitis, a life-threatening condition, is controversial and depends on many factors characterizing each patient, which must be evaluated in collaboration between the surgeon and the hematologist.

Adolescent↗
PubMed1994

Neonatal necrotizing enterocolitis: a retrospective and multicentric review of 331 cases.

The authors retrospectively review 331 cases of necrotizing enterocolitis from 13 different departments of pediatric surgery; 184 cases were treated only medically at the acute stage (47 of whom developed intestinal stricture) and 147 cases were operated on at the acute stage. The different procedures of acute surgical intervention are reported and the results of two surgical procedures are compared. The first is a classical one comprising a laparotomy with exploration of the intestinal tract and resection of the necrotic segments followed by enterostomy above the resected area. The other procedure comprises a minimal laparotomy in the right lower quadrant with ileostomy above necrotic areas, without resection of necrotic segments associated with peritoneal drainage. The results are assessed using the postoperative mortality rate and the number of secondary intestinal strictures. Mortality during the first postoperative month occurred in 27.9% of cases, and intestinal strictures were noted in 31.3% of cases after acute surgical procedure.

Enterocolitis, Pseudomembranous↗
PubMed1988

Necrotizing enterocolitis associated with Clostridium paraputrificum septicemia.

A 38-year-old woman with chronic, noncyclic neutropenia had an episode of acute abdominal pain associated with clostridial septicemia. Clostridium paraputrificum was isolated from blood and peritoneal cultures. The pathogenic potential of C paraputrificum was established by surgical biopsy specimens which demonstrated necrotizing enterocolitis with the typical gram-positive rods. This report strengthens a recognized, established association between neutropenia and clostridial infection.

Adult↗
PubMedDate not supplied

Febrile neutropenia as the presenting sign of appendicitis in an adolescent with acute myelogenous leukemia.

The diagnosis and management of a surgical abdomen in patients with acute leukemia is quite difficult because of the complications and treatment of disease itself. A 13-year-old boy with acute myelogenous leukemia developed 2 episodes of febrile neutropenia during induction therapy. The second one was treated with a 5-day course of parenteral antimicrobial therapy, but the patient then presented with right lower quadrant abdominal tenderness, guarding, and rebound tenderness. Abdominal ultrasonography and computed tomography revealed appendicitis. Conservative medical management was unsuccessful, and appendectomy was performed 5 days after appendicitis was diagnosed. The patient's clinical manifestations resolved 5 days later. The case illustrates that fever may be the first manifestation of appendicitis in a child with acute myelogenous leukaemia who is neutropenic. Surgery is acceptable as first-line treatment in such cases.

Abdomen, Acute↗
PubMed1990

Neutropenic enterocolitis. A new complication of head and neck cancer chemotherapy.

Neutropenic enterocolitis is a recognized complication of immunosuppression or chemotherapy for leukemia. It presents as severe abdominal pain and tenderness, fever, and diarrhea associated with granulocytopenia. Gastrointestinal symptoms associated with chemotherapy for head and neck neoplasms include nausea and emesis, but not acute abdominal distress. We present, to our knowledge, the first case of neutropenic enterocolitis in a patient receiving cisplatin and fluorouracil chemotherapy for metastatic head and neck cancer.

Agranulocytosis↗
PubMed2006

Invasive fungal infections in neutropenic enterocolitis: a systematic analysis of pathogens, incidence, treatment and mortality in adult patients.

BACKGROUND: Neutropenic enterocolitis is a life-threatening complication most frequently occurring after intensive chemotherapy in acute leukaemias. Gramnegative bacteria constitute the most important group of causative pathogens. Fungi have also been reported, but their practical relevance remains unclear. The guidelines do not address concrete treatment recommendations for fungal neutropenic enterocolitis. METHODS: Here, we conducted a metaanalysis to answer the questions: What are frequency and mortality of fungal neutropenic enterocolitis? Do frequencies and microbiological distribution of causative fungi support empirical antimycotic therapy? Do reported results of antimycotic therapy in documented fungal neutropenic enterocolitis help with the selection of appropriate drugs? Following a systematic search, we extracted and summarised all detail data from the complete literature. RESULTS: Among 186 articles describing patients with neutropenic enterocolitis, we found 29 reports describing 53 patients with causative fungal pathogens. We found no randomised controlled trial, no good quality cohort study and no good quality case control study on the role of antifungal treatment. The pooled frequency of fungal neutropenic enterocolitis was 6.2% calculated from all 860 reported patients and 3.4% calculated from selected representative studies only. In 94% of the patients, Candida spp. were involved. The pooled mortality rate was 81.8%. Most authors did not report or perform antifungal therapy. CONCLUSION: In patients with neutropenic enterocolitis, fungal pathogens play a relevant, but secondary role compared to bacteria. Evidence concerning therapy is very poor, but epidemiological data from this study may provide helpful clues to select empiric antifungal therapy in neutropenic enterocolitis.

Adult↗
PubMed1992

[Acute or toxemic form of schistosomiasis mansoni].

The acute or toxemic form of schistosomiasis mansoni is studied under the anatomic and clinical point of view, according to classification made by Neves, Raso and Bagliolo in 1975. The first phase is characterised by the following facts: cutaneous (immediate and late) manifestations; high fever or in progressive elevation; intense diaphoresis abdominal discomfort; intense aqueous diarrhea; dehydration; loss of weight, dry cough; painful hepatosplenomegaly; discreet lymphadenomegaly, progressive increase of blood leucocytes and eosinophiles; radiological pulmonary alterations; absence of alterations in serum protein and hepatic functional tests; the hepatic function biopsy shows focus of acute hepatitis. The second stage or properly named toxemic period was clinically characterized by the neat aggravation of the previously observed phenomena. At last, the evolutive course of the disease has implication derived not only the worm's presence, but from the intense dissemination of eggs in the tissue. In the pre-laying phase one studied the forms of cercarian dermatitis, prodromic and inapparent. In the post laying phase, the properly named acute toxemic form, with its types: pseudocholeraic, pseudotyphous, pseudodysenteric-bacillary, pseudonephritic, pseudoenterovirotic, the reactivated, the ischemic enterocolitis and others; whenever possible clinical and anatomic correlation will be made.

Abdominal Pain↗
PubMed1985

Acute segmental necrotizing enteritis in children.

We studied a group of 22 children with an acute upper intestinal obstruction associated with segmental necrotizing enteritis, usually involving the jejunum. No similar cases were found in the literature.

Acute Disease↗
PubMed2000

Breast feeding and the intestinal microflora of the infant--implications for protection against infectious diseases.

Human breast milk contains an array of factors with anti-infectious potential, such as immunoglobulins (especially secretory IgA), oligosaccharides and glycoproteins with anti-adhesive capacity, and cytokines. Breast-feeding is associated with protection from the following infections or infection-related conditions: gastroenteritis, upper and lower respiratory tract infection, acute otitis media, urinary tract infection, neonatal septicaemia and necrotizing enterocolitis. Some of the protective effects may derive from an altered mucosal colonization pattern in the breast-fed infant. In other instances breast-fed infants develop less symptoms to the same microbe which causes disease in the bottle-fed infant. An example of an altered colonization pattern is that breast-fed infants have less P-fimbriated, but more type 1-fimbriated E. coli. This may protect against urinary tract infection in the breast-fed infant since P. fimbriae are the major virulence factor for urinary tract infection. An example of changed consequences of the same microbial colonization is that secretory IgA in the breast-milk protects very efficiently from translocation of intestinal bacteria across the gut mucosa by coating intestinal bacteria and blocking their interaction with the epithelium. This mechanism may protect the infant from septicaemia of gut origin and, possibly, necrotizing enterocolitis. Breast-milk is also highly anti-inflammatogenic and contains hormone like factors which counteract diarrhea. Thus, breast-fed infants may be colonized by recognized diarrheal pathogens and still remain healthy. Due to a less virulent intestinal microflora and decreased translocation breast-fed infants will obtain less stimuli for the gut immune system, resulting, in e.g., lower salivary IgA antibody titres.

Adjuvants, Immunologic↗
PubMed1998

[Surgical management of patent ductus arteriosus in low body weight infants].

Between January 1980 and December 1994, seventeen premature infants weighing less than 2500 g underwent surgical management for the isolated patent ductus arteriosus (PDA). Indometacine therapy for closure of PDA was not effective for all these patients. In terms of the body weight at birth, they were divided into two groups; Group I (G-I) consisted of ten patients with birth weight less than 1000 g and Group II (G-II) of seven patients weighing more than 1000 g. The age at operation was 22.1 +/- 15.4 days in the G-I and 14.3 +/- 11.4 days in the G-II. The ductus was ligated in all patients but one of the G-II, in whom it was divided. There were five (50%) hospital deaths in the G-I and none in the G-II. The causes of death in the G-I were related to necrotizing enterocolitis (NEC) in two and infant respiratory distress syndrome (IRDS), acute renal failure, and broncho-esophagial fistula in each. The age at operation tended to be older in nonsurvivors rather than in survivors in the G-I (28.0 +/- 16.8 days vs. 16.2 +/- 14.0 days, respectively, but the difference did not reach significance). Before surgery, all patients in the G-I required mechanical ventilator support and nine of them were associated with IRDS. In contrast, only two patients in the G-II needed mechanical ventilation preoperatively. The postoperative period of intubation was also significantly longer in the G-I than in the G-II (51.6 +/- 35.2 days vs. 2.2 +/- 1.5 days, respectively, p < 0.05). In conclusions, the surgery for PDA can be safely performed even in small premature babies weighing less than 1000 g. When medical therapy for PDA is not effective in the premature patients, the surgical management should be considered as early as possible before their conditions become worse due to such critical complications as NEC, IRDS, and renal failure.

Cardiac Surgical Procedures↗
PubMed1980

Is overheating a factor in some unexpected infant deaths?

Clinical and pathological evidence of overheating was sought in a consecutive series of infants dying in Newcastle and Gateshead. In 8 of 33 cases of cot death investigated pathologically histological changes in the small intestine of the kind described in association with heatstroke were seen. Such changes were not seen in any of 12 deaths from chronic or congenital conditions, and in only 1 of 8 acute explained deaths--in a baby who died with necrotising enterocolitis. 15 of 34 cot-death babies investigated clinically were judged to have been excessively clothed or covered at the time of death. 7 babies were unusually hot when found dead, and 4 others had been noticed to be hot shortly before death. 10 more babies had evidence of a terminal infection without observed fever. The possibility that overheating contributes to some cot deaths has important implications for health education.

Clothing↗
PubMed2003

IgE and non-IgE food allergy.

BACKGROUND: Food allergy (FA) is characterized by an abnormal immunologic reactivity to food proteins. The gastro-intestinal tract serves not only a nutritive function but also is a major immunologic organ. Although previously thought to be triggered primarily by an IgE-mediated mechanism of injury, considerable evidence now suggests that non-IgE mechanisms may also be involved in the pathogenesis of FA. OBJECTIVE: To review the immunologic disturbances that occur in FA and to correlate these with the clinical manifestations expressed in affected target organs based upon a classification of IgE and non-IgE mechanisms. METHODS: Data collected from a computerized MEDLINE search were used for the analysis of the following topics: immediate GI hypersensitivity, oral allergy syndrome, acute urticaria and angioedema, acute bronchospasm, celiac disease, cow's milk enteropathy, dietary protein enterocolitis, breast milk colitis, proctolitis, proctitis, dermatitis herpetiformis, Heiner syndrome, eosinophilic gastroenteritis, atopic dermatitis, asthma, attention-deficit-hyperactivity disorder and behavioral disorders, as well as systems affected by mucosal associated lymphoid tissue-mediated injury of associated lymphoid tissues and the immunologic deviation to Th1 or Th2 mechanisms of FA. CONCLUSIONS: The results of this review allow the construction of a central, unifying hypothesis for a new classification of FA as follows: the clinical manifestations of FA, expressed in affected target organs, may be the result of immunologic injury mediated by interaction of food antigens with contiguous elements of mucosal associated lymphoid tissue. These appear to be modulated by relative imbalances of the Th1/Th2 paradigm, which may be the ultimate determinant governing the expression of FA as IgE-mediated, non--IgE-mediated, or mixed forms of IgE/non-IgE mechanisms of FA.

Dietary Proteins↗
PubMed2003

Klebsiella oxytoca as an agent of antibiotic-associated hemorrhagic colitis.

BACKGROUND & AIMS: Klebsiella oxytoca has been isolated from stools and colonic biopsy specimens of patients with Clostridium difficile-negative antibiotic-associated hemorrhagic colitis (AAHC), but the pathogenic role of the germ has not been established. The purpose of this study was to investigate the presence of K. oxytoca in patients with AAHC from a prospective cohort of patients with acute colitis, and to test the cytotoxicity on HEp-2 cells of K. oxytoca strains from patients with AAHC and healthy carriers. METHODS: Colonic biopsy specimens and a sample of colonic fluid from 93 consecutive patients with acute colitis were cultured on selective media for 7 established pathogens and K. oxytoca. The 2 K. oxytoca strains isolated in the 4 patients with C. difficile-negative AAHC of this cohort and 105 additional K. oxytoca strains from patients with C. difficile-negative AAHC (n = 15) and healthy carriers (n = 90) were tested for cytotoxicity using a HEp-2 cell culture assay. RESULTS: K. oxytoca was isolated in 50% (2 of 4) of the patients of the prospective cohort with C. difficile-negative AAHC compared with 2% (1 of 41) of the patients with acute colitis caused by established pathogens (P = 0.02). The rate of cytotoxic strains of K. oxytoca was higher in patients with AAHC (82%) than in healthy carriers (42%, P = 0.003). CONCLUSIONS: We conclude that K. oxytoca is isolated with a significant high rate in patients with C. difficile-negative AAHC, and that K. oxytoca strains from patients with AAHC are cytotoxic more frequently on HEp-2 cells than strains from healthy carriers. These results strengthen the hypothesis of a causative role of K. oxytoca in some of the patients with AAHC.

Acute Disease↗
PubMed2001

Foreign matter salpingitis 3 years after typhlitis.

This case suggests that typhlitis may cause delayed abdominal pathology. A history of this condition should be considered in the work-up of any patient with gastrointestinal or genitourinary pathology.

Abdomen, Acute↗
PubMed1997

A national study of risk factors associated with mortality in very low birthweight infants in the Malaysian neonatal intensive care units. Malaysian Very Low Birth Weight Study Group.

OBJECTIVE: To determine the risk factors associated with mortality in very low birthweight (VLBW) infants admitted to the neonatal intensive care units (NIUC) in Malaysia. METHOD: A prospective observational study of outcome of all VLBW infants born between 1 January 1993 and 30 June 1993 and admitted to the NICU. RESULTS: Data of 868 VLBW neonates from 18 centres in Malaysia were collected. Their mean birthweight was 1223 g (95% confidence intervals: 1208-1238 g). Thirty-seven point four per cent (325/868) of these infants died before discharge. After exclusion of all infants with congenital anomalies (n = 66, and nine of them also had incomplete records) and incomplete records (n = 82), stepwise logistic regression analysis of the remaining 720 infants showed that the risk factors that were significantly associated with increased mortality before discharge were: delivery in district hospitals, Chinese race, lower birthweight, lower gestation age, persistent pulmonary hypertension of the newborn, pulmonary airleak, necrotizing enterocolitis of stage 2 or 3, confirmed sepsis, hypotension, hypothermia, acute renal failure, intermittent positive pressure ventilation, and umbilical arterial catheterization. Factors that were significantly associated with lower risk of mortality were: use of antenatal steroid, oxygen therapy, surfactant therapy and blood transfusion. CONCLUSION: The mortality of VLBW infants admitted to the Malaysian NICU was high and was also associated with a number of preventable risk factors.

Analysis of Variance↗
PubMed1994

Tropical enterocolitis in children.

Besides classical necrotizing enterocolitis (in neonates), which is seen in India as elsewhere in the world, we observe sporadic cases of tropical enterocolitis, i.e. segmental jejunitis, ileitis or colitis and rarely duodenitis. This is a distinct clinico-pathological entity presenting as "acute abdomen", with pain, bilious vomiting, constipation or bloody diarrhoea. The clinical course is not as fulminating as neonatal necrotizing enterocolitis. Most cases are salvaged by conservative treatment especially after the confidence brought by laparoscopic vision of the abdomen, thus excluding perforation or gangrene of the bowel involved. Without laparoscopy, most of the cases end up in laparotomy. The pathology appears to be a kind of local hyperimmune reaction in the segment of bowel involved, ranging from punctate haemorrhages in the seromuscular layer of the bowel to a generalized red fiery look or perforation due to mucosal ulceration. Whatever the causative agent, the pathogenesis is of local vasculitis leading to ischemia and various patterns of disease.

Child, Preschool↗