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 31,184 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Denmark has in recent years experienced a rise in the number of bacterial gastrointestinal infections. We have reviewed patients hospitalized with culture confirmed bacterial gastroenteritis in Roskilde County during 1991-1993. Two hundred and seven patients were included, 68 were children (< 15 years). The microorganism isolated was Salmonella in 61% of the cases. Campylobacter in 20% and Yersinia enterocolitica in 13%. Ninety-three percent of the patients had diarrhoea, 74% had fever (> 38 degrees C), and 66% abdominal pain. Blood in the stools was most frequent in patients infected with Campylobacter. Leucocytosis was rare. Twenty-four patients had bacteraemia. Reactive arthritis occurred in 4.8%. Three patients died, all infected with zoonotic Salmonella types. Three stool cultures were made for 115 patients, and all three cultures were positive in 73% of these patients. Bacterial gastroenteritis requiring hospitalization in Roskilde County, 1991-1993 affected mainly children and young adults. Infections due to zoonotic Salmonella types were more severe than Campylobacter and Yersinia enterocolitica gastroenteritis. It seems necessary to collect at least three stool cultures to secure a bacteriological diagnosis.
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PMID:[Bacterial gastroenteritis in hospitalized patients in Roskilde county 1991-1993]. 946 56

Human echinostomiasis, endemic to southeast Asia and the Far East, is a food-borne, intestinal, zoonotic parasitosis attributed to at least 16 species of digenean trematodes transmitted by snails. Two separate life cycles of echinostomes, human and sylvatic, efficiently operate in endemic areas. Clinical symptoms of echinostomiasis include abdominal pain, violent watery diarrhea, and anorexia. The disease occurs focally and transmission is linked to fresh or brackish water habitats. Infections are associated with common sociocultural practices of eating raw or insufficiently cooked mollusks, fish, crustaceans, and amphibians, promiscuous defecation, and the use of night soil (human excrement collected from latrines) for fertilization of fish ponds. The prevalence of infection ranges from 44% in the Philippines to 5% in mainland China, and from 50% in northern Thailand to 9% in Korea. Although the patterns of other food-borne trematodiases have changed in Asia following changes in habits, cultural practices, health education, industrialization, and environmental alteration, human echinostomiasis remains a health problem. The disease is most prevalent in remote rural places among low-wage earners and in women of child bearing age. Echinostomiasis is aggravated by socioeconomic factors such as poverty, malnutrition, an explosively growing free-food market, a lack of supervised food inspection, poor or insufficient sanitation, other helminthiases, and declining economic conditions. Furthermore, World Health Organization control programs implemented for other food-borne helminthiases and sustained in endemic areas are not fully successful for echinostomiasis because these parasites display extremely broad specificity for the second intermediate host and are capable of completing the life cycle without involvement of the human host.
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PMID:Echinostomiasis: a common but forgotten food-borne disease. 957 99

Leucocytoclastic vasculitis is a small vessel inflammatory disease mediated mostly by deposition of immune complexes. Infections, medications, chemicals, bacteria, viruses, and diseases associated with immune complexes have been accused in the pathogenesis. Cutaneous leucocytoclastic vasculitis presents as palpable purpura most often localized in the lower extremities, often accompanied by abdominal pain, arthralgia and renal involvement. The clinical diagnosis of leucocytoclastic vasculitis is confirmed histopathologically by skin biopsy. In order to determine the cause of the disease, depending on the patient's history, complete blood cell count, blood cultures, cryoglobulins, serum protein electrophoresis, rheumatoid factor, antinuclear antibody, and autoantibodies to neutrophilic cytoplasmic antigens and complement should be checked. Once the diagnosis of leucocytoclastic vasculitis is made, emphasis should be on the search for an etiological factor and the identification of the involved organs. If possible, the underlying cause should be treated or removed, for example discontinuation of drugs. The prognosis depends on the disease that has the cutaneous leucocytoclastic angiitis as a component, as well as the severity of internal organ involvement. For example, a patient with cutaneous leucocytoclastic angiitis and moderate nephritis as component of Henoch-Schonlein purpura has a much better prognosis than a patient with these same findings as a component of Wegener's granulomatosis. Only if physicians recognize and report severe reactions to regulatory authorities and manufacturers, new drugs associated with a risk of such reactions can be identified.
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PMID:Leucocytoclastic vasculitis: an update for the clinician. 1184 48

Because abortion is illegal in Senegal, it is not easy to determine its frequency. Women suffering complications of illegal abortions are often unwilling to aid in their own treatment by divulging the means used to induce the abortion. Clandestine abortions are associated with poor hygienic conditions exposing the woman to risk of infection. Abortion operators are often ignorant of elementary notions of genital anatomy and unskilled in gynecological surgery. Death may result in a few minutes from shock or embolism. The operator is unable to take any action because of the illegal status of the abortion. Secondary complications may appear because of local trauma, infection, or from caustic or toxic agents. Hemorrhage may be external and abundant, originating in the cervix, vagina, or uterine cavity. It may occur within the abdominal cavity if an organ is perforated. In both cases surgical treatment may be required to save the woman's life. An infection or a state of toxicity may result from the abortion, or both may occur simultaneously. Infections of varying degrees of seriousness may be localized in the genital organs (pelviperitonitis), spread throughout the abdomen (general peritonitis), or spread throughout the organism. Pelviperitonitis results from performing abortions under septic conditions and from uterine retention of part of the embryo. Symptoms include abdominal pain, fever, vomiting, and arrest of intestinal transit. Symptoms are often masked by uninformed use of antibiotics, which allows the infection to spread to the other abdominal organs. Generalized peritonitis results from grave lesions of the genital or intestinal tracts produced by traumatizing instruments. In the absence of medical and surgical treatment, the patient's condition rapidly deteriorates and death ensues. Generalized infection may be due to septicemia, tetanus, or hepatonephritis. Hospitalization in a specialized service is required. Thromboembolic complications may also follow clandestine abortions. Late complications and sequelae may include chronic abdominal pain, menstrual disturbances, secondary sterility, or inability to have sexual relations because of vaginal lesions caused by caustic agents. Later pregnancies may be ectopic, or may spontaneously abort because of cervical lesions caused by trauma. Psychic sequelae may include depression or confusion. Information and contraceptive services should be made available to young girls to prevent illegal abortions. Social legislation should be modified to assist future mothers.
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PMID:[Illegal abortion in Senegal]. 1231 24

We have investigated 677 Shiga toxin-producing Escherichia coli (STEC) strains from humans to determine their serotypes, virulence genes, and clinical signs in patients. Six different Shiga toxin types (1, 1c, 2, 2c, 2d, and 2e) were distributed in the STEC strains. Intimin (eae) genes were present in 62.6% of the strains and subtyped into intimins alpha1, beta1, gamma1, epsilon, theta, and eta. Shiga toxin types 1c and 2d were present only in eae-negative STEC strains, and type 2 was significantly (P < 0.001) more frequent in eae-positive STEC strains. Enterohemorrhagic E. coli hemolysin was associated with 96.2% of the eae-positive strains and with 65.2% of the eae-negative strains. Clinical signs in the patients were abdominal pain (8.7%), nonbloody diarrhea (59.2%), bloody diarrhea (14.3%), and hemolytic-uremic syndrome (HUS) (3.5%), and 14.3% of the patients had no signs of gastrointestinal disease or HUS. Infections with eae-positive STEC were significantly (P < 0.001) more frequent in children under 6 years of age than in other age groups, whereas eae-negative STEC infections dominated in adults. The STEC strains were grouped into 74 O:H types by serotyping and by PCR typing of the flagellar (fliC) genes in 221 nonmotile STEC strains. Eleven serotypes (O157:[H7], O26:[H11], O103:H2, O91:[H14], O111:[H8], O145:[H28], O128:H2, O113:[H4], O146:H21, O118:H16, and O76:[H19]) accounted for 69% of all STEC strains. We identified 41 STEC strains belonging to 31 serotypes which had not previously been described as human STEC. Twenty-six of these were positive for intimins alpha1 (one serotype), beta1 (eight serotypes), epsilon (two serotypes), and eta (three serotypes). Our study indicates that different types of STEC strains predominate in infant and adult patients and that new types of STEC strains are present among human isolates.
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PMID:Characterization of Shiga toxin-producing Escherichia coli strains isolated from human patients in Germany over a 3-year period. 1500 60

Pelvic inflammatory disease and upper genital tract infection describe inflammatory changes in the upper female genital tract of any combination: endometritis, salpingitis, tubo-ovarian abscess, peritonitis in the small pelvis. The International Infectious Disease Society for Obstetrics and Gynecology recommends a revision of the CDC guidelines taking into account the type of germ or the triggering agent and the seriousness of the disease. Infections with Chlamydia trachomatis and Neisseria gonorrhoeae are increasing worldwide. They are one of the main causes of tubal sterility, chronic abdominal pain and ectopic pregnancies. More than 30% of the infections are subclinical and asymptomatic. Therefore it is most recommendable to generally screen young, sexually active women with any of the risks mentioned above. Antibiotic therapy should be started as early as possible, in case of doubt even probatively, and should cover a broad spectrum of germs. C. trachomatis and N. gonorrhoeae should be treated according to resistance testing. In uncomplicated cases, hospitalization is unnecessary, ambulant therapy is sufficient.
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PMID:[Adnexitis and pelvic inflammatory disease]. 1564 36

Hafnia alvei is a motile gram-negative bacterium that is rarely isolated from human specimens, but that sometimes can be found as part of the gastrointestinal flora. Here we report a rare case of Hafnia alvei septicemia with an abdominal abscess in a 60-year-old woman with diffuse large B-cell lymphoma involving the spleen, liver, and then lymph nodes. She initially received a splenectomy, and, over a 2-year period, four courses of chemotherapy. After achieving complete remission status, she underwent autologous peripheral blood stem-cell transplantation (PBSCT). During the aplastic phase following transplantation, the patient developed fever, diarrhea, and abdominal pain, with blood cultures positive for Hafnia alvei and an abscess in the splenic recess. Considering the high surgical risk, the infection was treated, successfully, with antibiotics (imipenem/cilastatin), without surgery or computed tomography (CT)-guided percutaneous drainage. Infections due to Hafnia alvei are rare, and this is the first reported case of Hafnia alvei septicemia in an adult hematologic patient undergoing a stem-cell transplantation procedure.
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PMID:Abdominal abscess and Hafnia alvei septicemia occurring during the aplastic phase after autologous stem-cell transplantation in a patient with diffuse large B-cell lymphoma. 1616 67

Infections caused by Listeria monocytogenes are usually found in cattle and occasionally appear in humans, particularly pregnant women and immunocompromised individuals. Peritonitis by Listeria monocytogenes is a rare but dangerous condition that must be recognized early, since it requires a specific treatment. We report a 31 year-old male with alcoholic cirrhosis that developed ascites with abdominal pain and fever. The peritoneal fluid culture yielded Listeria monocytogenes. The patients was initially treated with cefotaxim and later with ampicillin and levofloxacin. The patient voluntarily abandoned treatment and died at home two weeks later.
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PMID:[Spontaneous bacterial peritonitis caused by Listeria in a patient with cirrhosis: Case report]. 1717 Dec 20

Infections of abdominal aortic endografts are rare. There are no reports on the association with spondylodiscitis. We report a case of a 74-year-old man who underwent endovascular aneurysm repair (EVAR) and subsequently femorofemoral bypass placement due to occlusion of the right limb of the endograft. Six months later, he presented with rectal bleeding, weight loss, back pain, and low abdominal pain. Computed tomography revealed extensive abscess formation with air in and around the endograft and psoas muscles, in continuity with destructive spondylodiscitis L3-4. There was a small bowel loop in close proximity to the occluded right leg of the endograft, which was filled with air bubbles. An axillofemoral bypass was created followed by a laparotomy. Intra-operatively, an iliaco-enteral fistula was found. The small bowel defect was sutured, the endograft completely removed, and the infrarenal aorta and both common iliac arteries were closed. Necrotic fragments of the former L3-4 disk were removed. The postoperative course was uneventful. Seven months postoperatively, the patient had recovered well. Iliaco-enteric fistula and spondylodiscitis are rare complications of aortic aneurysm repair. This is the first report of spondylodiscitis after EVAR.
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PMID:Endovascular abdominal aortic aneurysm repair complicated by spondylodiscitis and iliaco-enteral fistula. 1851 47

Salmonella infection can cause an asymptomatic intestinal carrier state or clinical diseases such as enterocolitis presenting abdominal pain, fever, vomiting, or diarrhea. Salmonella usually invades Peyer's patch of terminal ileum or ascending colon. Sepsis is not common and acute renal failure secondary to rhabdomyolysis is rare. The causes of rhabdomyolysis are trauma, excessive exercise, alcohol, seizure, metabolic abnormality, and infection. Infections account for less than 5% of the reported causes of rhabdomyolysis and resulting acute renal failure. The mechanisms underlying rhabdomyolysis due to infection are direct muscle invasion, toxin production, and nonspecific effects that can occur with infections such as fever, dehydration, acidosis, and electrolyte imbalance. We report a case of sepsis and acute renal failure secondary to rhabdomyolysis associated with Salmonella infection.
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PMID:[A case of sepsis and acute renal failure associated with salmonella enterocolitis]. 1907 3


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