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Query: UMLS:C0014118 (endocarditis)
 15,629 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Eikenella corrodens is a gram-negative rod that has been identified as a cause of endocarditis, osteomyelitis, pneumonia, cellulitis, and other infections. Because it is difficult to grow unless it is incubated in 10% carbon dioxide and because it may be overgrown by other organisms, it can be overlooked as a sinus pathogen. This is a report of the isolation of E corrodens from the sinuses of three patients with sinusitis. Three important features of infection with E corrodens, which are illustrated by these cases, are as follows: (1) the indolence of E corrodens infections; (2) the unusual susceptibility pattern of E corrodens; and (3) the fact that E corrodens is often isolated in mixed culture. The purulent contents of sinus cavities should be cultured in aerobic, anaerobic, and 10% carbon dioxide atmospheres.
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PMID:Sinus infection due to Eikenella corrodens. 35 19

Intracranial fungal aneurysms arise from major cerebral arteries. Fungi directly invade vessel walls from the luminal surface (fungal emboli) or from the adventitia (fungal meningitis). The vasa vasorum are free of fungi. Aneurysmal rupture is common with extensive hemorrhagic necrosis of the surrounding brain. Aspergillus is the usual causative agent; its sources are nasal sinusitis or endocarditis.
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PMID:Fungal aneurysms of intracranial vessels. 94 19

Meningitis caused by Streptococcus is uncommon in adults. Otitis media, mastoiditis, sinusitis, or trauma has antedated most cases reported in the past. Data on 10 recent cases suggest changes in the current pathogenesis of streptococcal meningitis in adults and emphasize the importance of accurate streptococcal speciation. Endocarditis was present in five cases; trauma played a role in two others. Brain abscess, corticosteroids, alcoholic cirrhosis, and peritonitis secondary to chronic peritoneal dialysis were etiologic factors in five patients. Otitis media, mastoiditis, and sinusitis were conspicuously absent. Streptococcus agalctiae accounted for purulent meningitis in two postmenopausal women. Both strains of group B Streptococcus were bacitracin-sensitive and were thus mislabeled group A. Recognition of Streptococcus bovis spared two patients unnecessary aminoglycoside adminstration. Nine of the 10 patients survived, including a women with prosthetic mitral valve endocarditis and a man with a ruptured brain abscess. Differentiation of these streptococci from Streptococcus pneumoniae was seldon possible on the basis of the spinal fluid gram stain alone.
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PMID:Meningitis caused by Streptococcus in adults. 109 75

Many discriminative experimental animal models of infection have been utilized in the evaluation of newer fluoroquinolones. In vivo efficacy of many of the newer agents has been shown in experimental models of meningitis, endocarditis, pneumonia, urinary tract infections, pyelonephritis, osteomyelitis, abscesses of various types, septic arthritis, gastroenteritis, salmonellosis, listeriosis, tuberculosis, syphilis, sinusitis, prostatitis and burn wound sepsis, among others. This review focuses on recent developments in a few selected areas. Although the limitations of animal model studies are well described, these results provide a rationale for the appropriate clinical usage of the newer fluoroquinolones in humans.
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PMID:Evaluation of quinolones in experimental animal models of infections. 186 88

Parenteral ceftriaxone was administered as a once-daily outpatient treatment to a selected low-risk population of neonates, infants, and children with moderate to severe bacterial infections. No incidences of treatment failure were seen in 200 children with uncomplicated infections responsive to ceftriaxone therapy. The mean period of outpatient treatment in initially hospitalized children with non-CNS infections, excluding endocarditis, was 1-3 days. Ceftriaxone outpatient management was successful in the control of organisms causing meningitis (n = 54), periorbital facial cellulitis (n = 16), sinusitis (n = 10), arthritis (n = 6), endocarditis (n = 4), and other infections.
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PMID:Once-daily ceftriaxone in the outpatient treatment of paediatric infections. 188 51

Human infections due to fungi belonging to the genus Acremonium occur uncommonly, but unlike infections due to other filamentous fungi, usually affect immunocompetent individuals. Mycetoma, which usually develops following trauma, is the most common infection caused by Acremonium spp. Other sites of infection include the eye (generally following abrogation of ocular defenses), colonizing disease of the lung and gastrointestinal tract, as well as locally invasive infections such as osteomyelitis, sinusitis, arthritis, and peritonitis. Pneumonia and disseminated infections including meningitis, endocarditis, and cerebritis rarely have been reported. Optimal treatment of acremonium infections is not well defined both because infections due to these organisms are rare, and because many reports antedate effective antifungal therapy. In addition, susceptibility testing of filamentous fungi is poorly standardized, and in vitro sensitivity may not correlate with clinical response. Based on anecdotal reports, treatment of most invasive acremonium infections requires a combination of surgical intervention, when possible, and a regimen of amphotericin B. Some azoles also display inhibitory activity. Until more details are available regarding susceptibility of these organisms to antifungal agents, amphotericin B is recommended as initial therapy with the addition of either ketoconazole or fluconazole in infections of a life-threatening nature.
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PMID:Infection due to the fungus Acremonium (cephalosporium). 195 81

No controlled trials of therapy for invasive aspergillosis have been done. This review appraises 2,121 cases reported in 497 articles in the literature and analyzes 440 courses of treatment of infection at various body sites in 379 patients. The exclusion of early failures of therapy skews the results toward a favorable outcome. The rate of response to amphotericin B is 55%. Mortality from pulmonary aspergillosis in bone marrow transplant recipients exceeds 94% regardless of therapy, as does that from cerebral aspergillosis in all hosts. Amphotericin B (1 mg/[kg.d]) with flucytosine lowers mortality in neutropenic patients with pulmonary aspergillosis who did not receive a bone marrow transplant; relapse is common. Surgical debridement of aspergillus maxillary sinusitis is usually curative in nonimmunocompromised patients, whereas it increases mortality among neutropenic patients. Valve replacement is essential for aspergillus endocarditis. Both vitrectomy and intravitreal amphotericin B treatment are essential for aspergillus endophthalmitis. Flucytosine is somewhat useful clinically. Itraconazole shows efficacy in the treatment of pulmonary, skeletal, and pericardial aspergillosis. Although liposomal amphotericin B is less toxic than standard preparations of the drug, relevant data are limited. The proposed potentiation of amphotericin B by rifampin is unsupported by clinical data. Despite "conventional" therapy, mortality from invasive aspergillosis remains high; new approaches must be investigated.
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PMID:Antifungal and surgical treatment of invasive aspergillosis: review of 2,121 published cases. 226 90

Capnocytophaga sp., a microaerophilic gram-negative isolate of the human oral cavity, has previously been reported to cause sinusitis, empyema, wound infections, conjunctivitis, subphrenic abscess, osteomyelitis, bacteremia, cervical abscess, and endocarditis. We report the unusual case of infection with this organism at the anastamotic site of a splenorenal portosystemic vascular shunt. In this case, the pathogenesis is presumed to be bacteremia related to mucosal trauma from endoscopic injection sclerotherapy or bacteremia secondary to dental infection. The characteristics and antibiotic sensitivities of Capnocytophaga are reviewed.
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PMID:Capnocytophaga infection involving a portal-systemic vascular shunt. 236 47

Although animal models of infection are associated with certain limitations in interpretation, properly performed studies provide important information for evaluating the efficacy of new antimicrobial agents in the treatment of human disease. The antibacterial efficacy of the newer quinolones, particularly ciprofloxacin, has undergone extensive evaluation in several animal models. Efficacy has been demonstrated in animal models of pneumonia, endocarditis, meningitis, skin and soft-tissue infections, septic arthritis, burn wound sepsis, empyema, intra-abdominal abscess, osteomyelitis, prostatitis, sinusitis, urinary tract infection, chronic gastroenteritis, granuloma pouch infection, and Pseudomonas septicemia. More recent studies have evaluated the efficacy of ciprofloxacin in animal models of tuberculosis and syphilis, as well as in infections caused by the intracellular pathogens Salmonella typhimurium, Legionella pneumophila, and Listeria monocytogenes.
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PMID:An update on the efficacy of ciprofloxacin in animal models of infection. 258 79

Streptococci of Lancefield group C colonize healthy individuals but infrequently cause invasive disease. Eight pediatric cases of infection due to group C streptococci were identified in a retrospective survey of a recent 6-year period at a children's hospital. An additional case of group C meningitis diagnosed in 1975 was included. These nine cases and 22 pediatric cases from the literature are presented to illustrate important points with respect to clinical presentations and complications and to show that these organisms can cause serious, sometimes fatal infection: pneumonitis, sinusitis, septicemia, endocarditis, osteomyelitis, and meningitis. Group C streptococci are described in terms of their biochemical properties, the infections they cause in animals, and their tendency to produce disease in humans. With increasingly frequent serologic grouping of non-group A beta-hemolytic streptococci, recognition of the role of specific non-group A streptococci is likely to increase. The antimicrobial agent of choice for infections due to group C streptococci is penicillin G. The minimum inhibitory and minimum bactericidal concentrations for the organism should be determined since penicillin tolerance may occur and may be responsible for the slow response to penicillin therapy in some cases.
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PMID:Group C beta-hemolytic streptococcal infections in children: nine pediatric cases and review. 233 Apr 84


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