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

CRP level was determined in the cerebrospinal fluid in 40 cases of bacterial meningitis. Similar determination in serum was done in 32 of these patients. Aetiological verification was possible in 90% of cases. Meningitis caused by Str. pneumonia and Neisseria meningitides prevailed (52.5% and 27.5% respectively). The control group comprised 20 subjects. For CRP demonstration immunochemical and turbidimetric methods were used. CRP in CSF was raised in 62.5% of the study cases while in the serum it was raised in all of them. CRP detection in serum in acute phase of central nervous system infection is diagnostically important since CRP increase suggests a purulent process.
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PMID:[C-reactive protein (CRP) and its significance in purulent meningitis]. 858 95

From 1966 to 1989 a total of 1,830 cases of bacterial meningitis were recorded at the Department of Infectious Diseases, Rigshospitalet, Denmark. Staphylococcus aureus meningitis accounted for 44 (2.4%) of these cases. Among these, 28 cases were classified as community-acquired S. aureus meningitis. The mortality rate for these cases was 43%. A retrospective study of clinical features and parameters in these community-acquired cases showed the following conditions to be associated with a high mortality risk: advanced age, an underlying condition requiring artificial ventilation, cardiovascular disease and immune deficiencies. At admission, more than 75% of the patients had fever, nuchal rigidity and decreased consciousness. In 57% of cases the focus for the S. aureus infection was endocarditis, pneumonia or skin infections. All the patients had complications due to the meningitis, the major one being insufficient respiration. Autopsy performed in 9 of the 12 fatalities showed endocarditis in 5, pneumonia in 4, and pyelonephritis in 2. All of the brains examined at autopsy showed cerebral and subarachnoid hemorrhage.
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PMID:Staphylococcus aureus meningitis: a review of 28 consecutive community-acquired cases. 868 35

A case is presented of a de novo aneurysm of the distal posterior inferior cerebellar artery with intraventricular hemorrhage. A 67-year-old woman was admitted to our hospital with sudden onset of severe headache and loss of consciousness. Computed tomography (CT) scans showed subarachnoid hemorrhage. Angiography demonstrated three aneurysms: an aneurysm of the right vertebral-posterior inferior cerebellar artery, an aneurysm of the bifurcation of the basilar artery, and an aneurysm of the left middle cerebral artery. Considering the distribution of the hemorrhage on CT scans, we concluded that the cause of the hemorrhage was rupture of the vertebral-posterior inferior cerebellar aneurysm. The vertebral-posterior inferior cerebellar aneurysm and the middle cerebral aneurysm were successfully clipped, postoperative angiograms showing the complete clippings. At that time, however, there were no abnormal findings in the left posterior inferior cerebellar artery. Six years later, she was readmitted to our hospital because of sudden onset of headache, nausea, and vertigo. CT scans showed an intraventricular hemorrhage, especially in the fourth ventricle, although subarachnoid hemorrhage was not clearly found. Angiography revealed an aneurysm of the left distal posterior inferior cerebellar artery. She underwent clipping of the aneurysm verified by postoperative angiograms. However she had bacterial meningitis and died from pneumonia and disseminated intravascular coagulopathy. De novo aneurysms of the anterior circulation have often been reported. Carotid, ligation, smoking, the use of oral contraceptives, congenital anomalies and hypertension are major risk factors in the formation of aneurysms. A de novo aneurysm of the distal posterior inferior cerebellar artery is, however, extremely rare. In this case, the right posterior inferior cerebellar artery disappeared when the de novo aneurysm was found. So it is supposed that hemodynamic changes caused by the clipping of the right vertebral-posterior inferior cerebellar aneurysm and the left middle cerebral aneurysm had contributed to the formation of the de novo aneurysm of the left distal posterior inferior cerebellar artery. In the present study, we review the literature on the aneurysm at the distal posterior inferior cerebellar artery and on the de novo aneurysm of the vertebrobasilar artery, and discuss the radiological findings and features.
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PMID:[A case of de novo aneurysm of the distal posterior inferior cerebellar artery with intraventricular hemorrhage]. 869 75

Increasing resistance to antimicrobial agents has occurred among many pathogens, but the emergence of resistant Streptococcus pneumoniae will have the greatest impact on the practice of outpatient medicine. Consequences of resistance include complicated management of acute otitis media and meningitis treatment failures. Pneumococci have acquired resistance to penicillin, third-generation cephalosporins and other antibiotics at an alarming rate; in some areas, 25 percent of isolates are nonsusceptible to penicillin. In areas with high resistance rates, the addition of vancomycin to cefotaxime or ceftriaxone is warranted for empiric treatment of bacterial meningitis. Changes in empiric therapy for pneumonia, bacteremia and otitis media may eventually be necessary. Previous antibiotic use is a risk factor for invasive disease with resistant pneumococci. Patients may be best protected by avoiding unnecessary use of antibiotics. Patient education materials as well as recommendations for avoiding the use of antibiotics for some upper respiratory tract infections are currently being developed to help physicians achieve this goal.
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PMID:Resistant pneumococci: protecting patients through judicious use of antibiotics. 937 Oct 6

Meropenem is a new beta-lactam carbapenem antibiotic that appears to be promising in the treatment of hospitalized infants and children with serious infections. It has broad-spectrum activity against microorganisms, including most of the major aerobic (gram-negative and gram-positive) and anaerobic pathogens that cause serious bacterial infections in neonates and children. In addition, its pharmacokinetic profile makes possible parenteral administration every 8 hours. Several studies have demonstrated that meropenem is an effective and safe treatment for infants and children with serious pediatric infections (e.g., urinary tract infections, pneumonia, sepsis, intraabdominal infections, and skin and soft-tissue infections), bacterial meningitis, and cystic fibrosis. The results of further studies of the use of meropenem in the treatment of high-risk seriously ill infants and children are awaited with interest.
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PMID:Use of meropenem in the treatment of serious infections in children: review of the current literature. 912 95

Pneumococci are a leading cause of bacterial meningitis and bacteraemia, as well as pneumonia, otitis media and sinusitis in childhood. These organisms recently have shown a dramatic increase in antibiotic resistance. Penicillin-resistant pneumococci are of special concern as they are often resistant to other unrelated antibiotics. This is of particular significance to Aboriginal children who have among the highest rates of pneumococcal infection in the world. Laboratories should now test all invasive pneumococcal isolates for penicillin and third generation cephalosporin resistance. Local treatment guidelines are required for pneumococcal infections, especially for meningitis, taking into account the prevalence of resistant strains within the community. At present, penicillin and amoxycillin remain the drugs of choice for pneumococcal infections, with the exception of meningitis where initial empirical therapy must be with a third generation cephalosporin. Judicious antibiotic use, which avoids over-prescribing and unnecessary use of broad-spectrum agents, improved living standards in underprivileged communities and introduction of an effective conjugate vaccine, able to reduce the rates of pneumococcal infection and hopefully colonization, may limit the spread of resistant strains.
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PMID:Antibiotic management of pneumococcal infections in an era of increased resistance. 932 14

A retrospective study was conducted to examine the laboratory, clinical features and outcome of 206 adult acute bacterial meningitis patients (218 episodes) during the years 1985-1996. Pneumonia (8.7 per cent), head trauma (7.8 per cent) and chronic otitis media (6.0 per cent) were identified as the main predisposing factors for acute bacterial meningitis. Aetiology was described only in 61 episodes (28.0 per cent). Streptococcus pneumonia was the most commonly identified pathogen overall, causing 33 of the 218 episodes (15.2 per cent). Antibiotic treatment before admission was given to 48.4 per cent of patients. On admission, the following symptoms of meningitis were predominant: 83 per cent had neck stiffness, 81 per cent had a headache and 73 per cent had fever. Case fatality rate was 27.1 per cent (59 patients). The important factors in mortality were as follows: old age, a long duration of symptoms before admission, a lack of neck stiffness, obtunded mental state on admission, low glucose levels in first CSF, low CSF/blood glucose ratio, and abnormality in computerised tomography scanning.
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PMID:Acute bacterial meningitis in adults: analysis of 218 episodes. 939 72

Carbapenems are active beta-lactam antibiotics versus most of the gram positive and gram negative microorganisms and anaerobes although their activity is lacking in the case of Staphylococcus sp. resistant to methicillin, Enterococcus faecium and Streptococcus pneumoniae with high resistance to penicillin and some gram negative bacilli which naturally produce an methaloenzyme able to hydrolyze them such as Stenotrophomonas maltophilia. Imipenem, the first synthetized carbapenem requires administration with cilastatin to avoid inactivation by renal dehydropeptidase 1. Meropenem does not require being taken with the renal enzyme inhibitor, with its activity being similar to that of imipenem. In abdominal infection the carbapenems have shown to be the authentic monotherapy in this type of infections being as effective as the different schedules of antibiotic associations normally used. Treatment with carbapenems in bacterial meningitis should be currently limited to the cases produced by gram negative bacilli producers of wide spectrum beta-lactamases (WSBL), cases of meningitis by Pseudomonas aeruginosa or gram negative bacilli producers of inducible cephalosporinase. Meropenem is the carbapenem of choice probably in these cases because the carbapenems are often the only active antibiotics and meropenem, specifically, does not have the risk of convulsions observed with imipenem-cilastatin. The carbapenems have shown to be useful in skin and soft tissue infections as well as in obstetric and gynecologic infections as monotherapy similar to the schedules of the currently used antibiotic associations. In the case of nosocomial pneumonias, all the studies have evaluated the carbapenems in monotherapy as useful and effective, specially in the case of pneumonia by gram negative bacilli. Finally, in non filiated nosocomial sepsis and specially in the case of neutropenic patients, the use of carbapenems is particularly attractive in gram negative sepsis in intensive care units. The appearance in the last few years of strains of gram negative bacilli, producers of wide spectrum beta-lactamase or stable repressed hyperproducers of class I chromosomic cephalosporinase, as well as other multiresistant gram negative bacilli, such as Acinetobacter baumanii make the carbapenems, in many cases, the only effective antibiotic in this type of infections.
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PMID:[The role of carbapenems in the treatment of nosocomial infection]. 941 75

Antibiotic-resistant strains of Streptococcus pneumoniae are becoming more prevalent throughout the world; this has resulted in modifications of treatment approaches. Management of bacterial meningitis has the greatest consensus. Strategies for treating other systemic infections such as pneumonia, bacteremia, and musculoskeletal infections are evolving, in part related to the availability of new antibiotics which are active in vitro against isolates resistant to penicillin and the extended-spectrum cephalosporins. However, there are currently very limited data related to the clinical efficacy of these new agents. The studies upon which current recommendations are based are reviewed. Otitis media represents the single most common infection due to S. pneumoniae. Recommendations for treatment of acute otitis media due to drug-resistant strains and the rationale for these recommendations are discussed.
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PMID:Management of infections due to antibiotic-resistant Streptococcus pneumoniae. 976 60

Haemophilus influenzae type b (Hib) is a leading cause of bacterial meningitis and pneumonia. Although invasive Hib disease has been reduced substantially wherever Hib conjugate vaccines have been introduced into routine childhood immunization schedules, these vaccines are more costly compared with the vaccines routinely used in the Expanded Program for Immunization. Consequently a model was constructed to compare the expected burden of Hib disease with and without a national vaccine program for various Asian countries. Cost of the vaccine program, expected benefits of reduced deaths and savings from prevented disease treatment were assessed for each country based on the model assumptions. Model outcomes were expressed as a net cost, cost per death prevented and cost per disability-adjusted life year for each country and economic stratum. With the assumption of a disease burden of meningitis and pneumonia comparable with that observed in other regions, the model predicts that 668000 cases of Hib pneumonia and 136000 cases of Hib meningitis would occur annually in this cohort resulting in 156000 deaths. Based on current vaccination coverage rates for the individual countries, the model predicted that approximately 136000 (87%) Hib deaths could be prevented annually with incorporation of Hib vaccine into the Expanded Program for Immunization. For each of the countries considered, routine vaccination with Hib would cost between 0.1 and 3.0% of per capita gross national product per child <5 years of age. Although Hib vaccine would be considered a cost-effective public health intervention, it may be cost-prohibitive to implement in the lowest income countries without initial donor assistance.
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PMID:An assessment of the value of Haemophilus influenzae type b conjugate vaccine in Asia. 978 50


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