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Query: UMLS:C0085437 (bacterial meningitis)
 4,038 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

All 42 cases of Klebsiella pneumoniae meningitis diagnosed between 1981 and 1991 were evaluated. These accounted for 13% of patients with blood and/or cerebrospinal fluid culture-proven bacterial meningitis. There was an increased incidence of K. pneumoniae meningitis from the first 6 years of study (7%) to the last 5 years (16%). K. pneumoniae became increasingly important not only in community-acquired meningitis but also in nosocomial meningitis. 12/13 nosocomial cases were patients who had undergone neurosurgical procedures. The overall mortality rate was 43%. The mortality rate in patients with spontaneous meningitis was higher than that in patients with post-traumatic or postoperative meningitis. Factors that adversely affected mortality were age over 60, diabetes mellitus, and severe neurological deficits on admission. The use of third-generation cephalosporins did not reduce the mortality rate.
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PMID:Klebsiella pneumoniae meningitis: prognostic factors. 819 Dec 46

We report a case of an infected renal cystic mass associated with bacterial meningitis in a 70-year-old woman who had had poorly-controlled diabetes mellitus for approximately 30 years. She suffered from bacterial meningitis due to Klebsiella pneumoniae, which was successfully treated with antimicrobial chemotherapy for 1 month. Approximately 2 weeks later she developed left flank pain and a high fever. A CT scan and an ultrasonogram revealed a left renal cystic mass, which was considered to be an infected renal cyst. Turbid and thick fluid was obtained by percutaneous aspiration which contained numerous white blood cells. Culture of this fluid yielded K. pneumoniae. The bacterial meningitis was considered to be a secondary infection of the septicemia which resulted from the infected renal cystic mass.
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PMID:Infected renal cystic mass associated with bacterial meningitis: a case report. 884 88

Measurement of lactate concentrations in cerebrospinal fluid (CSF) has been suggested as part of the investigation of inborn errors of the electron transport chain, but little information exists regarding the reference range in children or the relationship between CSF and plasma concentrations. In 39 children without bacterial meningitis, diabetes, or recent seizures, we determined that the median (range) lactate concentrations in CSF and plasma collected concurrently were 1.4 (0.8-2.2) and 1.5 (0.6-2.3) mmol/L; the regression equation was CSF lactate = (0.38+/-0.06) plasma lactate + 0.83 (r2 = 0.14). In 8 of 11 (73%) children with electron transport chain defects, CSF lactate was > or =3.0 mmol/L; however, 2 of these 8 had a normal plasma lactate concentration. CSF lactate was also increased in 2 children with nonketotic hyperglycinemia. The finding that CSF lactate concentrations may be increased despite a normal plasma lactate value in children with electron transport chain defects is an important clue to the diagnosis of these disorders.
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PMID:Measurement of lactate in cerebrospinal fluid in investigation of inherited metabolic disease. 899 Feb 39

A 63-year-old woman with pancreatic diabetes after a total pancreatectomy and splenectomy developed discitis of the L2/3 intervertebral disk. Rapidly she also developed infectious arthritis of the left knee joint and bacterial meningitis. Aspirate from the left knee contained Enterococcus faecalis. The diagnosis of discitis is generally difficult in the initial period of disease, and patients with diabetes or splenectomy are susceptible to rapid progression of the infection. Early diagnosis of discitis using magnetic resonance imaging of the spine and treatment with antibiotics might have altered her clinical course.
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PMID:Discitis, infectious arthritis, and bacterial meningitis in a patient with pancreatic diabetes. 921 81

A 75-year-old female with diabetes mellitus, who was born and lived in West north Kyusyu, was admitted to our hospital, because of unconsciousness and loss of appetite. The physical examination showed neck stiffness and a high fever. The laboratory data showed accentuation of inflammatory reaction and azotemia and positive HTLV-1 antibody. The spinal fluid showed increase of cell count and amount of protein. A stool and sputum smear revealed rhabditis form larvae of the nematode. Antibiotics and ivermectin were administered for the bacterial meningitis and hyperinfection of the strongyloides, respectively. Consequently, meningitis and strongyloidiasis improved. It was considered that the patient was infected with strongyloides from her husband who serve in the army during World-War II, and hyperinfection of strongyloides resulted from the immunosuppressive state of diabetes mellitus. Ivermectin, and anti-strongyloides agent, was effective, and no side effects were seen. However, the therapeutic resistance in this case was associated with the positive HTLV-1 antibody.
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PMID:[A case of bacterial meningitis induced by strongyloidiasis]. 928 47

Klebsiella infection has been considered to be an uncommon cause of meningitis. To determine its incidence and clinical features, we reviewed the microbiologic records of cerebrospinal fluid (CSF) and blood cultures and the medical records of patients with bacterial meningitis admitted between 1981 and 1995. Klebsiella meningitis was diagnosed in 79 patients with 83 episodes. All patients had klebsiella isolated from CSF and/or blood and typical symptoms and signs of acute bacterial meningitis. Of these, 74 were over 16 years of age and 2 of the 5 children were infants. There was an increased prevalence rate of klebsiella meningitis after 1986. Of the 83 episodes, only 9 occurred between 1981 and 1986, accounting for 7.8% of 115 cases with CSF and/or blood culture-proven acute bacterial meningitis, whereas in 1987-95, there were 74 episodes accounting for 17.7% of 419 bacteriologically proven cases. K. pneumoniae accounted for 69 episodes, K. oxytoca, 11 episodes and K. ozaenae, 3 episodes. Male gender, diabetes mellitus and liver cirrhosis were commonly associated with K. pneumoniae meningitis. Neurosurgical procedures were frequently associated with K. oxytoca meningitis. All three patients with K. ozaenae meningitis had a primary disease of the nasopharyngeal pathway. The mortality rate due to K. pneumoniae was 48.5%, K. oxytoca, 10% and K. ozaenae, 0%. In patients with K. pneumoniae meningitis, poor prognostic factors included age over 60 years, diabetes mellitus, bacteremia and severe neurological deficits on the first day of treatment.
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PMID:Klebsiella meningitis in Taiwan: an overview. 936 11

Bacterial meningitis, a world-wide disease, has to be reviewed periodically because the specific micro-organisms responsible for the infection vary with time, geography and patient age. To determine its incidence and clinical features in Taiwan, we reviewed the microbiological records for cerebrospinal fluid (CSF) and blood cultures, and the medical records of patients with bacterial meningitis admitted between 1981 and mid-1998. Bacterial micro-organisms were demonstrated in the CSF and/or blood in 395 patients with 418 episodes of bacterial meningitis. Streptococcus species were the most common causative micro-organism group, at 23. 21% of all episodes. Its prevalence rate significantly decreased from the first 7 years of study (41.9%) to the last 10.5 years (19. 2%). However, Klebsiella meningitis and Staphylococcal meningitis were more frequently noted after 1987. More than 70% of patients had at least one underlying disease or condition. Poor prognostic factors indicated by univariable analysis were: age >60 years; diabetes mellitus; severe neurological deficits on the first day of treatment; infection with Gram-negative bacilli; CSF WBC count >5000x10(6)/l; malignancy; seizure; and bacteraemia. The overall mortality rate was 29.4%, 29.7% in the first 7 years of study and 29. 4% in the last 10.5 years. The use of new antibiotics has not reduced the mortality rate in our patients with bacterial meningitis.
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PMID:Acute bacterial meningitis in adults: a hospital-based epidemiological study. 1058 35

The clinical and laboratory characteristics of bacterial meningitis in subjects over 59 years-old were evaluated to establish variables related to prognosis. All patients with clinical and laboratory findings of acute meningitis were included. Sixty-four episodes in 64 patients were registered. S. pneumoniae was responsible for 19 cases (27.5%); L. monocytogenes - 3; S. aureus - 1; S. bovis - 1; S. agalactie - 1 and Corynebacterium jeikeium 1. Gram negative bacilli caused seven cases; two cases were due to N. meningitidis and one to H. influenzae. In 50% of the cases no microorganisms were isolated. The main symptom was fever (67.8%). Headache and neck rigidity were absent in about one-half of the cases and the predominant symptoms were psychomotor agitation, stupor or coma. The presence of concomitant diseases, such as diabetes mellitus (26.6%) and pneumonia (17.2%), were common. The mortality was high (51.5%). This poor prognosis was related to L.monocytogenes (100%), Gram negatives rods (83%) andS.pneumoniae (58%). The univariate analysis showed that absence of headache (p=0.002), presence of coma (p=0.04), pneumonia (p=0.01) and immunocompromised status (p=0.01) were associated with risk of death. The type of the microorganisms isolated in the elderly patients with meningitis were often unusual ones. The clinical symptoms were minimal and in many cases, the only clinical presentation was change in mental status. Poor prognosis was observed in spite of intensive care. A high index of suspicion for meningitis while caring for elderly with changes in mental status must be maintained to avoid delays in initiating appropriate therapy.
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PMID:Bacterial Meningitis in the Elderly: An 8-Year Review of Cases in a University Hospital. 1109 14

Adult Proteus (P.) mirabilis meningitis is relatively rare and has not been examined individually in the English-language literature. During a period of 15 years (January 1986-December 2000), four adult patients with P. mirabilis meningitis and one adult patient with mixed bacterial meningitis involving P. mirabilis were identified at Chang Gung Memorial Hospital, Kaohsiung. These five patients included one man and four women, aged from 19 to 74 years (mean age=55.4). P. mirabilis infection accounted for 1.7% (4/229) of cases of our culture-proven monomicrobial adult bacterial meningitis and was involved in 7.1% (1/14) of cases of our adult mixed bacterial meningitis during this period. Underlying debilitating conditions including diabetes mellitus and neurosurgical disorders were common in these five cases. Adult P. mirabilis meningitis had an acute clinical course, with fever and consciousness-disturbance occurring as most prominent clinical manifestations in all patients. Other common manifestations included hydrocephalus, seizure, septic shock and wound infection. Hematogenous spread would appear to be the most likely mechanism. Multi-antibiotic resistant strains of P. mirabilis were not found in our patients. All strains were susceptible to third-generation cephalosporins, imipenem, aztreonam and ciprofloxacin. The results of treatment for adult P. mirabilis meningitis were not satisfactory, most of the patients surviving with severe neurological deficit.
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PMID:Frequent association with neurosurgical conditions in adult Proteus mirabilis meningitis: report of five cases. 1193 41

A 65-year-old woman with diabetes mellitus and chronic otitis media developed headache, fever, and hoarseness, all of which did not responded to the oral antibiotics. As stiff neck and lower cranial nerve palsies appeared, bacterial meningitis was suspected. Neurological examination revealed the right hearing disturbance, right recurrent laryngeal nerve palsy, left sternocleidomastoid muscle atrophy and bilateral tongue atrophy. The CSF examination revealed mild pleocytosis and elevated protein, but no bacterial organism was cultured from the CSF. CT scans showed bilateral mastoiditis, and the right mastoid process and a posterior part of the petrous bone were eroded, indicating the exposed bony structures to the posterior fossa. MRI scans demonstrated the thickening of the dura mater of the posterior fossa and the right cerebellar tentorium. This is a rare example of bacterial pachymeningitis of the posterior fossa, the clinical symptoms and MRI findings of which resolved solely by antimicrobial agents without corticosteroid.
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PMID:[A case of hypertrophic pachymeningitis, resolved by antimicrobial therapy]. 1547 Oct 88


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