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1/390. Long-term remission of malignant brain tumors after intracranial infection: a report of four cases.

    OBJECTIVE: This report describes four patients with malignant brain tumors in whom regression or cure seems to be related to infection with bacteria. methods: An analysis of the four clinical cases reported and a review of the literature produced a comprehensive body of both experimental and clinical data concerning the antineoplastic properties of bacteria. RESULTS: Although direct oncolytic effects from bacteria have been suggested, immune adjuvant responses to tumor suppression are emphasized. In one of our patients, infiltration of numerous granulocytes and lymphocytes into the tumor at the time of initial surgery was observed, suggesting that a spontaneous immune reaction had begun. Also, in two other patients, tumor aggression occurred in association with a bacterial process that was not in direct contact with the tumor. In three of the cases described, enterobacter aerogenes was recovered from the microbial cultures. Whether the presence of this organism was coincidental or whether this organism plays an important role in tumor defense is not known; however, a specific cross-reactive immunological attack to the tumor is suggested. CONCLUSION: The case histories presented in conjunction with the relevant literature reviewed support the concept that microbial infections may influence immune responses in brain tumor defense. ( info)

2/390. citrobacter koseri meningitis in a special care baby unit.

    An outbreak of meningitis due to citrobacter koseri in a special care baby unit is described. The organism showed a high capacity for spread among the babies on the unit and although the intestinal carriage rate was high, the clinical case:carrier ratio was low. ( info)

3/390. amikacin (BBK8) in infections due to gram-negative organisms in children over the age of one month.

    Thirty children over the age of one month were treated with amikacin (BBK8), a new aminoglycoside derived from kanamycin A, with three intramuscular dosage schedules. Each group consisted of ten patients. The first received 7-5 mg/kg/12 hours, the second 7-5 mg/kg/24 hours and the third, 3-75 mg/kg/12 hours. The infections and the bacteria were similar in all three groups: pyelonephritis, abscesses of soft tissues, infected wounds, septicaemia, superinfected empyema, gastro-enteritis, chronic otitis media; the bacteria were E. coli, klebsiella, pseudomonas and salmonella. A were sensitive by the Kirby-Bauer method, although two were resistant by dilution in Petri dish. Of the thirty patients, twenty four (80%) were cured. The schedule of 3-75 mg/kg/12 hours was as effective as the schedule of 7-5 mg/kg/12 hours for infections such as pyelonephritis, superficial abscesses, contaminated wounds, gastro-enteritis and sepsis. The cases with infections localized in rather unaccessible sites required double the dose and strict drainage and cleanliness. plasma levels with the administration of 3-75 mg/kg fluctuated between 8-3 and 12-6 mcg/ml; with 7-5 mg/kg they fluctuated between 8-6 and 13-1. The minimum inhibitory level (MIL) for the majority of the bacteria was 1-25 mcg/ml. No toxic reactions were observed. ( info)

4/390. Rupture of the spleen associated with enterobacter cloacae.

    A 58-year-old male, with abdominal pain but no signs of sepsis, was admitted as a medical emergency. During hospitalization, spontaneous splenic rupture was diagnosed and splenectomy successfully performed. A smear revealed presence of enterobacter cloacae on the splenic surface; histopathology demonstrated granulocytous infiltration of the spleen. ( info)

5/390. Treatment of chronic osteomyelitis of the lower extremity using free flap transfer.

    Between 1987 and 1995, 25 patients with chronic osteomyelitis of the lower extremity were treated by transfer of muscle or musculocutaneous flap. The subsequent follow-up extended over more than three years. Five patients developed a recurrence. Two were reoperated on and healed completely; in two an amputation had to be performed; and in one the infection persists. recurrence occurred mainly in patients in whom the bone cavity could not be filled completely with muscle. ( info)

6/390. Subdural empyema complicating cerebrospinal fluid shunt infection.

    Subdural empyema has not been reported previously as a complication of cerebrospinal fluid (CSF) shunt surgery. An infant submitted to CSF shunt insertion for congenital hydrocephalus developed subdural empyema after a failed attempt to treat a superficial scalp wound infection with oral antibiotics. enterobacter cloacae was isolated from the empyema. Temporizing management of the preceding superficial wound infection with oral antibiotics probably was the cause of this exotic pathogen. The treatment of infected scalp wounds contiguous with shunt hardware must be surgical. ( info)

7/390. Case of peritonitis caused by Ewingella americana in a patient undergoing continuous ambulatory peritoneal dialysis.

    Reports of serious infections caused by Ewingella americana have been rare. A case of E. americana peritonitis in a patient receiving continuous ambulatory peritoneal dialysis is described. This is the first report of E. americana causing such an infection. ( info)

8/390. trimethoprim-sulfamethoxazole-induced tremor in an immunocompetent patients.

    trimethoprim-sulfamethoxazole (TMP-SMX) is a widely administered antibiotic that is well tolerated by most patients. hypersensitivity reactions and gastrointestinal intolerance are the most common adverse events associated with it. central nervous system adverse effects such as tremors are less common and occur primarily in patients with acquired immune deficiency syndrome. A 29-year-old immunocompetent man developed a tremor while taking TMP-SMX. The tremor resolved within 2 days after the drug was discontinued. ( info)

9/390. Recurrent Aeromonas sepsis in a patient with leukemia.

    A case of recurrent sepsis due to aeromonas hydrophila in a patient with acute myelogenous leukemia is reported. The patient's first infection leading to bacteremia followed contamination of a mosquito bite by stagnant water. After recovery from the first bacteremia, the patient again became septic with a second strain of aeromonas hydrophila, which again responded to antimicrobial therapy. It is hypothesized that contamination of the local water supply may have led to the establishment of a gastrointestinal carrier state that produced the second bout of Aeromonas sepsis when the patient was markedly leukopenic. The importance of the oxidase test to differentiate Aeromonas species from members of the family enterobacteriaceae is re-emphasized. ( info)

10/390. Isolation of pantoea agglomerans in two cases of septic monoarthritis after plant thorn and wood sliver injuries.

    arthritis after plant injury is often apparently aseptic. We report two cases due to pantoea agglomerans. In one case, the bacterium was isolated only from the pediatric blood culture media, BACTEC Peds Plus, monitored in BACTEC 9240, and not from the other media inoculated with the joint fluid. This procedure could help improve the diagnosis of septic arthritis. ( info)
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