1/19. bacillus cereus prosthetic valve endocarditis.bacillus cereus is a ubiquitous organism that often contaminates microbiological cultures but rarely causes serious infections. Reports of B. cereus endocarditis are infrequent. Infection in patients with valvular heart disease is associated with significant mortality and morbidity. We describe a case of B. cereus endocarditis involving a mechanical mitral prosthesis that resolved after replacement of the prosthetic valve. We also review the previous cases reported in the literature.- - - - - - - - - - ranking = 1keywords = infection (Clic here for more details about this article) |
2/19. Bacillus sphaericus bacteraemia in children with cancer: case reports and literature review.In the period 1989-1999, Bacillus sphaericus was demonstrated to cause 12 out of 469 (2%) episodes of bacteraemia in children with cancer or receiving bone marrow transplant at G. Gaslini Children's Hospital, Genoa, italy. neutropenia was present in five episodes, six episodes, (all without neutropenia) were related to the presence of a central venous catheter, and one episode occurred in a patient with intestinal graft vs. host disease and gut colonization. All patients survived. ciprofloxacin was the only drug active against all the isolated strains.Bacillus sphaericus represents a new cause of infection in the immunocompromised host, with low aggressiveness, but a peculiar pattern of antibiotic susceptibility.- - - - - - - - - - ranking = 1keywords = infection (Clic here for more details about this article) |
3/19. Successful non-surgical treatment of brain abscess and necrotizing fasciitis caused by bacillus cereus.Musculoskeletal and central nervous system infections caused by bacillus cereus are very rare. Only a few cases have been reported, whose clinical courses strongly suggested that surgical procedures combined with appropriate antimicrobial therapy are necessary to cure these infections. A 60-year-old man with severe neutropenia due to myelodysplastic syndrome, developing necrotizing fasciitis and brain abscess caused by bacillus cereus is reported. Without performing any surgical procedures, the patient was successfully treated with systemic antimicrobial therapy combined with granulocyte colony stimulating factor, which contributed to the increase in the neutrophil count.- - - - - - - - - - ranking = 2keywords = infection (Clic here for more details about this article) |
4/19. Fatal bacillus cereus sepsis following resolving neutropenic enterocolitis during the treatment of acute leukemia.bacillus cereus is increasingly being acknowledged as a serious bacterial pathogen in immunosuppressed hosts. We report a case of fatal B. cereus sepsis in a patient with newly diagnosed acute leukemia following resolving neutropenic enterocolitis. Gastrointestinal complaints are common during induction chemotherapy, yet some antimicrobial coverage suitable for generalized neutropenia is not optimal for the eradication of B. cereus. This case demonstrates that, in the neutropenic patient with gastrointestinal complaints or in the setting of resolving neutropenic enterocolitis, it is important to anticipate possible B. cereus infection and sepsis.- - - - - - - - - - ranking = 1keywords = infection (Clic here for more details about this article) |
5/19. Intestinal perforations in a premature infant caused by bacillus cereus.Although bacillus cereus is a ubiquitous bacterium, the incidence of neonatal infections is very low with only a few cases of B. cereus infections in neonates reported in the literature. We report the case of a premature infant with multiple intestinal perforations and an abdominal B. cereus infection. The initial course was characterized by severe cardiovascular shock, anemia, thrombocytopenia and disseminated intravascular coagulation, leading to periventricular leukomalacia, alopecia capitis and toxic epidermal necrolysis. The possible role of B. cereus-associated enterotoxins for the clinical manifestations are discussed. Our case confirms previous reports of severe clinical symptoms in B. cereus infection in premature neonates. We speculate that the systemic complications of B. cereus infection are at least partly related to the effect of B. cereus-associated enterotoxins.- - - - - - - - - - ranking = 5keywords = infection (Clic here for more details about this article) |
6/19. bacillus cereus bacteremia in a preterm neonate.bacillus cereus is an uncommon but potentially serious bacterial pathogen causing infections of the bloodstream, lungs, and central nervous system of preterm neonates. A case of bacteremia caused by B. cereus in a 19-day-old preterm neonate who was successfully treated with vancomycin, tobramycin, meropenem, and clindamycin is described. Implications for the diagnostic laboratory and clinicians when Bacillus species are detected in normally sterile sites are discussed, and the small numbers of infant infections proven to be due to this organism that have been described previously are reviewed.- - - - - - - - - - ranking = 2keywords = infection (Clic here for more details about this article) |
7/19. Significant infections due to Bacillus species following abrasions associated with motor vehicle-related trauma.Non-anthracis Bacillus species are ubiquitous gram-positive spore-forming organisms that were once believed to be nonpathogenic but are now recognized as causing a variety of infections. We report a new aspect of trauma associated with bacillus infection: clinically significant infection by Bacillus species in patients who are involved in motor vehicle accidents and sustain injury related to road contact. Cases were evaluated retrospectively from May 1990 through December 1991. Four patients who had documented infections with Bacillus species and who were involved in motor vehicle accidents associated with road trauma were identified during this period. The antibiotic susceptibility profile of the Bacillus species consistently demonstrated resistance to beta-lactam antibiotics. This series of cases illustrates an additional aspect of disease associated with bacteria of the Bacillus species that should be considered for patients who have sustained injuries from motor vehicle accidents associated with road trauma.- - - - - - - - - - ranking = 8keywords = infection (Clic here for more details about this article) |
8/19. Nosocomial bacteremia and catheter infection by bacillus cereus in an immunocompetent patient.We present a case of bacillus cereus bacteremia and catheter infection in an immunocompetent patient subjected to abdominal surgery, who recovered following central catheter removal and treatment with piperacillin/tazobactam.- - - - - - - - - - ranking = 5keywords = infection (Clic here for more details about this article) |
9/19. bacillus cereus meningitis in two neurosurgical patients: an investigation into the source of the organism.Two patients developed bacillus cereus meningitis following neurosurgery. During the subsequent investigation into the source of the organism, linen was discovered to be heavily contaminated with B. cereus. No other prolific source of the organism was found. It seems probable that lint from contaminated fabric was the vehicle of transmission of the organism during extended surgery. Linen should be considered as a possible source of B. cereus infection.- - - - - - - - - - ranking = 1keywords = infection (Clic here for more details about this article) |
10/19. Systemic Bacillus species infection mimicking listeriosis of pregnancy.Bacillus species are increasingly recognized as agents of infection in humans. These organisms are ubiquitous in nature and can cause clinical illness ranging from transient bacteremia to serious systemic infection. We describe a pregnant intravenous drug abuser with fever, constitutional symptoms, and premature labor. Her blood cultures yielded gram-positive bacilli, and her clinical course was consistent with systemic listeriosis of pregnancy. Pathological examination of the placenta revealed acute villitis, and Bacillus species grew from cultures of both placenta and blood. Through biochemical testing the isolate was identified as Bacillus pumilis. To our knowledge, this is the first reported case of premature labor induced by Bacillus species infection.- - - - - - - - - - ranking = 7keywords = infection (Clic here for more details about this article) |
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