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Biomedical subjects

E Reiss-Levy

Publications and source records attributed to E Reiss-Levy.

At least 19 recordsLinked to original sources

Pasteurella multocida: a case report of bacteremic pneumonia and 10-year laboratory review.

Pasteurella multocida is a normal oral commensal in animals. Animal bites are often complicated by severe wound infection due to P. multocida, but systemic infection is rare. We report a patient with bacteremic pneumonia successfully treated with ceftriaxone and ciprofloxacin. We also review the clinical isolates of P. multocida reported by a major teaching hospital laboratory over a 10-year period. There were 23 patients, comprising the present case, 17 patients with wound infections following animal bites, one case of neonatal meningitis and associated maternal vaginal carriage of P. multocida, and three sputum isolates of doubtful significance.

Aged↗

Evaluation of direct disc diffusion susceptibility testing for bacteriuria using diluted urine against standard CDS method.

Consecutive urine specimens with > or = 10(9) organisms/L on microscopy were diluted 1:100 and direct disc diffusion susceptibility tests performed. Subsequently, the standard Calibrated Dichotomous Sensitivity (CDS) test was performed on all isolates. Urines with > 2 Isolates or where growth was < 10(8) colony forming units (CFU)/L were excluded. Only Gram negative organisms were considered. 361 urines were evaluated, 324 with one and 37 with 2 isolates, comprising 255 Escherichia coli, 49 klebsiella, 41 proteus, 29 either citrobacter, enterobacter, providencia, serratia or alcaligenes, and 14 Pseudomonas aeruginosa. There were 2272 organism/antimicrobial test comparisons. A concordance of 98.5% was obtained. The results are considered acceptable for routine clinical use.

Anti-Bacterial Agents↗

Hepatitis A and evidence against the community dissemination of Helicobacter pylori via feces.

Seroprevalence data from 1501 subjects was used to test the hypothesis that Helicobacter pylori may be transmitted by the fecal-oral route. Antibody to hepatitis A virus was used as a marker of fecal-oral exposure. Of the 1501 subjects, 35.5% were seropositive for both H. pylori and hepatitis A, 19.1% were seronegative for both, 36.5% were seropositive for hepatitis A only, and 8.8% were seropositive for H. pylori only. Cross-sectional data from rural areas supported an association between hepatitis A and H. pylori. However, in the urban area there was no evidence of hepatitis A infection in persons < 10 years old, yet the seroprevalence of H. pylori was high in this group (approximately 32%). From our data, we suggest that communitywide fecal-oral spread of H. pylori may be of limited importance.

Adolescent↗

Two concurrent epidemics of enteroviral meningitis in an obstetric neonatal unit.

A small epidemic of viral infection occurred in a neonatal unit. It involved 11 infants, all of whom recovered. Echovirus 11 was the cause of illness in six infants, coxsackie B3 in four, and one infant had a biphasic illness, due first to echo 11, then to coxsackie B3. The epidemic coincided with a major outbreak of echovirus 11 and a smaller outbreak of coxsackie B3 in the community. Several staff became ill. Five infants were considered to have been infected by perinatal materno-infant spread, others by cross-infection. The epidemic ended when the nursery was closed.

Australia↗

Possible role of enteric organisms in the pathogenesis of ankylosing spondylitis and other seronegative arthropathies.

One-hundred eighty-five clinical isolates of Salmonella sp., Shigella sp., Escherichia coli, and Campylobacter sp. were tested for their ability to absorb the lymphocytotoxic activity of an antiserum (anti-Klebsiella sp. K43) directed against a specific HLA-B27-associated cell surface determinant on the lymphocytes of patients with ankylosing spondylitis (AS). Seven of these isolates (three Salmonella sp., two Shigella sp., one E. coli, and one Campylobacter sp.) were found to cross-react with the B27-positive cells of AS patients (B27+ AS+); an E. coli organism isolated from the rectal swab of an HLA-B27-negative clinically normal individual also cross-reacted with B27+ AS+ cells. These cross-reactive enteric organisms elaborate a factor (modifying factor) which specifically modifies the B27-positive lymphocytes of normal individuals; this factor is structurally and antigenically related to a functionally similar factor secreted by certain isolates of Klebsiella sp. These data suggest that certain enteric organisms share a common determinant which cross-reacts with B27+ AS+ cells. It is suggested that this cross-reactivity is somehow related to an early event in the pathogenesis of AS and possibly of other seronegative arthropathies.

Chromatography, Gel↗

Pulmonary strongyloidiasis and lung abscess.

We report a case of lung abscess associated with pulmonary strongyloidiasis which occurred in an asthmatic patient three years after migrating to Australia from Burma where strongyloidiasis is endemic. Thiabendazole was effective in eradicating the Strongyloides infection.

Humans↗

Chronic pulmonary infection with Salmonella typhimurium.

The first report of a case of chronic sputum carriage of salmonella is presented. The patient was a 51-year-old male with pulmonary cavitation and mycetoma, who developed pulmonary infection with Salmonella typhimurium after rectal surgery, and subsequently has carried the salmonella in his sputum for 18 months to date.

Ampicillin↗

Single-dose parenteral antibiotics as prophylaxis against wound infections in colonic operations.

A study of 77 patients undergoing elective operations on the colon and rectum, where wounds were subject to contamination by fecal flora, did not demonstrate that the addition of a preoperative oral regime to parenteral antibiotics alone further decreased the incidence of wound infection. The authors feel that the use of single-dose clindamycin and cephazolin intravenously preoperatively has been shown to be a very effective method of preventing wound infection in elective colonic resections.

Adult↗

Pneumococcal peritonitis in adolescent girls.

Two cases of pneumococcal peritonitis, which occurred after puberty in previously healthy adolescent girls, are described. In each case, the infection was caused by a Type 1 tetracycline-resistant pneumococcus.

Adolescent↗

Pseudomonas pneumonia with bacteraemia.

A previously healthy man developed fulminating pneumonia and bacteraemia due to Pseudomonas aeruginosa. This organism was isolated from sputum and blood before death, and from the lung, liver and spleen at autopsy. Bacteraemic psuedomonas pneumonia is rare, carries a high mortality, and is usually associated with serious underlying disease.

Humans↗