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PubMed2003

Optimisation of the antibiotic guidelines in The Netherlands. VII. SWAB guidelines for antimicrobial therapy in adult patients with infectious endocarditis.

The Working Party on Antibiotic Policy (Dutch acronym is SWAB) is a Dutch organisation that develops guidelines for in-hospital antimicrobial therapy of bacterial infectious diseases. This present guideline describes the antimicrobial treatment for adult patients with infective endocarditis. The choice and duration of antimicrobial therapy is determined by the infecting micro-organism, sensitivity of this micro-organism for antimicrobial therapy, location of the endocarditis, left-sided or right-sided, and presence of intracardial prosthetic material. In this guideline, the empirical therapy for endocarditis is discussed as well as the therapy for the most frequent causative organisms: streptococci, enterococci, staphylococci and HACEK micro-organisms.

Adult↗
PubMed1996

[Immunologic studies in the differential diagnosis of infectious endocarditis and septicemia without endocardiac lesion].

Differential diagnosis between infective endocarditis and septicemia without endocarditis remains a crucial clinical difficulty. Value of immunological data during those pathologies has been evaluated in a 2 year prospective study. Sixty-one patients, admitted in an internal medicine and infectious diseases unit for a documented infectious disease, were included. They were separated in three groups: group I (n = 21): demonstrated infective endocarditis; group II (n = 19): septicemia without endocarditis and group III (n = 21): non septicemic well-defined infectious disease. Following parameters were studied: immune circulating complexes, C reactive protein, erythrocyte sedimentation rate, fibrinogen, rheumatoid factor, antinuclear antibodies, Treponema pallidum serodiagnostic and cryoglobulinemia. There were no differences between the three studied groups. In particular, immune circulating complexes were present in respectively 67%, 58% and 62% of the patients of the three groups. So, presence or absence of immunologic abnormalities does not provide help for diagnosis of endocarditis in a febrile patient.

Adult↗
PubMed1998

[Infectious endocarditis caused by Leuconostoc mesenteroides].

BACKGROUND: Leuconostoc spp. are gram-positive coccobacilli, catalase and oxidase negative, vancomycin resistant, with a not clearly defined role in human infectious. Cases of infection have been reported previously but it has not been described confirmed infective endocarditis due to Leuconostoc mesenteroides. METHODS: We describe a case of prosthetic valve endocarditis in a 72-years-old woman with a long previous history of cardiac disease but without other immunological disorders. She developed a heart failure because of prosthetic aortic valve dysfunction. CONCLUSIONS: Leuconostoc mesenteroides should be considered as a potential cause of infective endocarditis and listed in the group of vancomycin-resistant microorganism.

Aged↗
PubMed1989

[Q fever infectious endocarditis. Apropos of a new case].

We report a case of Coxiella burnetii endocarditis in a 42-year old man presenting with a long-known cardiac murmur and an infectious syndrome of several months duration. The aetiological diagnosis, delayed by the lack of knowledge of a primary Q fever, was established by serology. The infection responded to tetracycline combined with cotrimoxazole, but a valve replacement performed for haemodynamic reasons was followed by serious complications. We remind the readers that Q fever endocarditis must be considered as a possible diagnosis in all cases of endocarditis with negative blood cultures and that specific serological examinations in search of anti-phase I antibodies of the IgA type should be performed as soon as possible, using the indirect immunofluorescence technique. Attention is drawn to the different serological responses of the three clinical types of Q fever infection and to the cellular immunity associated with that disease.

Adult↗
PubMed1982

[Infectious endocarditis of a healthy heart in an infant].

The case of a 22 months old child with no previous medical history hospitalised for an acute infection with pyrexia, arthritis, meningitis and leukocytosis with polynucleosis is reported. All bacteriological investigations were sterile; the search for soluble antigen and serological tests were negative. Antibiotic therapy (Ampicillin and Thiamphenicol) cured the meningitis and arthritis. On the 10th day of treatment the temperature rose, a systolic murmur was detected and echocardiography showed the presence of a large vegetation on the anterior mitral leaflet. Three weeks later (on Ampicillin and Amikacine), asymptomatic abolition of the femoral pulses and disappearance of the vegetation on echocardiography were observed. Angiography confirmed obstruction at the bifurcation of the aorta. Surgical removal of the embolism resulted in revascularisation of the femoral artery and was followed by apyrexia. This infant probably developed endocarditis on a healthy heart. It was complicated by systemic embolism and mitral regurgitation which at present is well tolerated.

Aortography↗
PubMed1999

[Mycotic aneurysm of the splenic artery. A rare complication of surgically treated infectious endocarditis and its causative cardiac lesion].

The authors report the case of a 59 year old woman with mitral valve streptococcal endocarditis complicating rheumatic valvular disease with several metastatic septic complications. In addition to ocular and cerebral localisations, the patient developed a very rare mycotic aneurysm of the splenic artery. Mitral valve replacement was necessary because of severe mitral regurgitation with major dilatation of the left heart chambers. This surgery was performed under high dose heparin therapy. Large aneurysms of the splenic artery carry a high risk of rupture. This splenic artery aneurysm was treated in the same operative session as the valvular disease by a sternolaparotomy: the aneurysm was operated first of all, and then valvular replacement was performed. Three years later, the patient is well and cured of the endocarditis. To the authors' knowledge, this is the third report of mycotic aneurysm of the splenic artery and the first case combined with surgery of the infectious valvular disease and the gastro-intestinal artery aneurysm.

Aneurysm, Infected↗
PubMed1992

Evaluation of new anti-infective drugs for the treatment of infective endocarditis. Infectious Diseases Society of America and the Food and Drug Administration.

These guidelines describe the design and implementation of clinical trials to assess the safety and efficacy of anti-infective drugs for the treatment of infective endocarditis. Identification and enrollment of patients in clinical trials is based on a modification of traditional criteria. To accrue a sufficient number of patients, only those with streptococcal or staphylococcal endocarditis should be included in studies. Results of treatment with approved drugs allow for projection of expected bacteriologic cure rates and survival rates. Prospective randomized, double-blind studies are recommended. These guidelines are based on the premise that future protocols may include shorter courses of therapy, combinations of drugs, or progression from parenteral to oral therapy. Clinical response is judged as cure, failure, or indeterminate; there is no "improved" category. Microbiologic response is categorized as eradication, persistence, or relapse. When a patient has shown no clinical evidence of active disease for a protracted period, there may be no need to perform a posttreatment blood culture; for such patients, the microbiologic response is termed presumptive eradication. Several months of follow-up may be necessary to detect late relapses.

Anti-Infective Agents↗
PubMed1990

[Eikenella corrodens as part of the polymicrobial flora in infectious endocarditis].

The authors describe a case of polymicrobial endocarditis in a 24-year-old patient with immunodeficiency and a damaged heart (mitral valve affection, septal defect). Among the mixed flora, comprising Streptococcus intermedius and two types of the genus Bacteroides, in the haemoculture also a microaerophil potentially pathogenic type Eikenella corrodens was cultivated. The authors describe the properties of Eikenella corrodens, its occurrence in man and its ability to produce an infectious process in primarily damaged organs (in particular the endocardium) in weakened subjects and drug addicts. The authors mention the diagnostic criteria for assessment of Eikenella corrodens and how to cultivate it from infectious material.

Adult↗
PubMed1983

Anti-infective therapy of infectious endocarditis.

Because of its high morbidity and mortality, endocarditis will remain an important pediatric problem. Obtaining adequate culture information prior to starting antibiotics to ensure an accurate early diagnosis coupled with aggressive medical and surgical management is likely to give the best outcome. These patients are generally best handled by a team approach with the child's primary physician, cardiologist, infectious disease consultant, and cardiovascular surgeon working in close harmony.

Anti-Bacterial Agents↗
PubMed1992

[Meningitis and other neurological complications in infectious endocarditis].

PURPOSE: To study the localization, etiological agents and the respective prognosis in patients with infective endocarditis with or without neurological complications, with emphasis on the association of endocarditis and meningitis. METHODS: 222 patients with clinical, echocardiographic and laboratory diagnosis of infective endocarditis were treated at Instituto Dante Pazzanese de Cardiologia from 1985 to 1990. They were classified in two groups: group A-116 patients without neurological complications, ages 4 months-76 (mean 30) years old and 66.3% males. group B-56 patients with neurological complication, ages 1-71 (mean 31) years old and 46.4% males. A third group, group C, comprised 17 patients, ages 8-51 (mean 23.7) years old and 9 patients (52.9%) male, assisted at Hospital Emilio Ribas, which is specialized at infectious diseases, which presented meningitis as the unique manifestation of neurological complication associated to the diagnosis of infective endocarditis (IE). In all patients the diagnosis of IE was based on the presence of at least two of three essential findings: echocardiogram with vegetations or valvar dysfunctions, positive hemocultures and the compatible clinical picture. For the comparative analysis among the groups was employed through the chi-square test corrected according to Yates. RESULTS: No differences of sex and age of the patients were found among the three groups. Predominated the Staphylococcus aureus as etiological agent. The localization of cardiac lesions was similar in the three groups, except for the tricuspid valve affected in 16.3% of patients of group A and 2.3% of group B. There was a greater association of the structures on the left side of the heart with IE of group B (p < 0.05). Group B and C showed a general mortality rate greater than group A (p < 0.001). CONCLUSION: Meningitis and other neurological complications showed interrelationship between the presence of "Staphylococcus aureus" as etiological agent of endocarditis and the association with infection of the left heart side.

Adolescent↗
PubMedDate not supplied

[Transthoracic and transesophageal echocardiography in the study of adults with congenital cardiopathy and infectious endocarditis].

Twenty-four adults (average age 28 years) patients with congenital heart disease were examined; infective endocarditis was diagnosed in all of them by Duke criteria and was confirmed in 18 by surgery and/or pathology. Patients were divided into 2 groups. Group A was made up of 13 patients with left ventricular outflow obstruction, including ten with bicuspid aorta. Group B was made up of 11 patients with shunts (PDA or VSD), either isolated or associated with other abnormalities. The principal alterations associated with the infectious processes were trauma to the endocardium or vascular endothelium from accelerated turbulent flow (jet lesion) and valvular deformities. The principally transesophageal echocardiographic recordings showed infective vegetations on the four cardiac valves, mural endocarditis in both ventricles and right atrium, perivalvular abscesses and fistulae. The echocardiographic information aided in selecting the type of treatment in this group of patients with high intrahospital mortality (25%).

Abscess↗
PubMed1994

[Study of 164 episodes of infectious endocarditis in drug addicts: comparison of HIV positive and negative patients].

OBJECTIVE: Intravenous drug-addicts (IVDA) are the most important risk group for acquiring HIV and developing infective endocarditis (IE) in Spain. The clinical and evolutive features of a large series of IE in HIV-infected IVDA are reported and compared with those observed in a smaller group of patients without HIV infection. METHODS: A retrospective analysis was made of 164 episodes of IE from 136 patients diagnosed in a Service of Infectious Diseases in Madrid (1986-1992). IE was defined according to the modified Von Reyn criteria and only the probable and definite IE episodes were evaluated. RESULTS: A total of 143 IE episodes occurred in 117 IVDA infected with HIV (group A) and 21 episodes in 19 HIV-negative patients (group B). Most of seropositive patients were asymptomatic carriers of HIV (54%) and only 22% had AIDS. The IE onset was acute for 97% patients in group A and 81% in group B, with fever and respiratory symptoms as main complaints. Chest X-ray was normal in 19% of cases in group A and in 28% in group B. Septic embolisms were observed in 56% and 41% of patients in group A and B, respectively. The vegetation originated mainly on the tricuspid valve and Staphylococcus aureus was recovered from most blood-cultures. The mortality rate was similar in both groups, 6% and 5% in groups A and B, respectively. CONCLUSIONS: Most IVDA with IE were HIV-positive patients in this series. IE is usually reported in the early stages of HIV infection and apparently its presence has no influence on the clinical course of IE.

Acquired Immunodeficiency Syndrome↗
PubMed1987

[Analysis of the autopsy data on 48 cases of infectious endocarditis in patients over 14].

Forty eight cases with infections endocarditis (IE) are analyzed--27 males and 21 females (75% at the age of 31-60). Only in 12.5% IE has developed on intact valvular apparatus. In 83.4% the preceding valvular pathology is rheumatic heart defect (RHD), and congenital cardiac malformations and valvular dysplasia--8.3% each. The mitral-aortic valvular defects predominate in RHD, followed by aortic, tricuspid and mitral ones. In 83.3% X IE is with valvular localization, in 4.2%--parietal and in 12.5%--on valvular prostheses. Vegetations are highly specific for valvular IE (100%) as well as ulcerations (90%) and perforations (45%). Ruptures of extra-valvular structures are established in 8.3%. The inflammatory alterations in myocardium are in 62.5%. The pericardial changes are found in 14.6%, mainly in the cases with valvular prosthesis. Septic changes are established in all cases in the spleen and regeneration of bone marrow, and vascular changes--in 85.4%. The cases with embolism and infarctions predominate in the kidneys (79.1%), followed by the cases with Löhlein's focal nephritis (18.6%). The inflammatory changes in liver are rare--6.9%. In 37.5% changes in brain were established, embolism according to incidence being first, followed by cerebral hemorrhages, cerebral abscesses and purulent leptomeningitis Staphylococcus aureus proved to be most frequent causative infectious agent established et necropsy.

Adolescent↗