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PubMed1992

[Transesophageal echocardiography in infectious endocarditis].

During the past 20 years, TTE has acquired a role of choice in the positive diagnosis as well as in the prognostic evaluation of endocarditis. However, it is a non-histobacteriological technique and is also operator-dependent. If often enables the detection of high risk patients: large vegetations, severe valve damage with major leaks, threatened complications: abscess, fistula, sometimes leading to referral of the patient for emergency surgery when required by hemodynamic conditions (often without recourse to catheterisation) or when infection is uncontrolled despite proper medical treatment. Embolism is the chief cause of morbidity and mortality in IE. In this context, the size of vegetations appears to be a risk factor. TEE enables refinement, precision and completion of TTE findings. It should be requested in the following circumstances: 1) strong clinical suspicion of IE but TTE negative, 2) monitoring of severe forms due to virulent organisms, 3) whenever there is suspicion of IE affecting a valve replacement.

Echocardiography, Doppler↗
PubMedDate not supplied

[Infectious endocarditis. Experience of a service in Brazzaville. 47 cases].

The aim of this study was to report the authors' experience of infective endocarditis (IE) from 47 cases collected between 1976 to 1991. Infective endocarditis (IE) was documented with surgical (n = 9), microbiological (n = 26), and echocardiographic (n = 30) criteria. There were 11 male, 36 female: mean age, 26.2 +/- 10.3 years (extremes: 17 and 47). The authors noted a great importance of gynecological portal entry (13 cases), acute infective endocarditis (23 cases i.e. 48.9%), heart failure (39 cases i.e. 82.9%), and pulmonary (4 cases i.e. 8.5%) and systemic (8 cases i.e. 17.0% embolism. Surgical treatment was impossible in Brazzaville. Trans-thoracic echocardiography was performed in 38 cases and revealed vegetations in 30 cases i.e. 78.9%. Twenty patients died (42.5%) because heart failure. There was no significant difference in letality between infective endocarditis treated surgically or no, between native valve or prosthetic valve infective endocarditis, between culture negative or culture positive infective endocarditis (IE). This study corroborate that infective endocarditis is a heavy illness, characterized by high frequency of heart failure. The authors insist upon the prevention of infective endocarditis.

Adolescent↗
PubMed1992

[Outcome of prognostic factors of infectious endocarditis over a 16 year period. Apropos of 471 cases].

Four hundred and seventy one cases of infective endocarditis (IE) were reviewed: 338 native valve IE and 133 prosthetic valve IE (42 early and 91 late IE). Two periods were compared: 1973-1980 (250 cases) and 1981-1988 (221 cases). There was a decrease in native valve IE (78% to 64%) and an increase in late prosthetic valve IE (13% to 27%), little change with respect to age, causal cardiac disease, delay in diagnosis (except in native valve IE, 39 to 29 days), or frequency of complications, especially cardiac (50% and 51%). However, global mortality decreased from 41% to 27% (p < 0.001). The evolution of the frequency of cardiac complications, cardiac surgery and mortality for the two periods was: for native valve IE respectively 53% to 42%, 41% to 37%, 37% to 20% (p < 0.005); for early prosthetic valve IE respectively, 45% to 55%, 41% to 55%, and 82% to 50% (p < 0.05); for late prosthetic IE, respectively 34% to 69%, 34% to 69% and 37% to 36%. The frequency of surgery had therefore little influence on prognosis except in early prosthetic valve IE. The percentage of infections which could not be controlled medically decreased from 17% to 11%. The mortality of unoperated patients decreased from 46% to 28% (p < 0.01), suggesting more effective antibiotherapy, and the mortality of operated patients fell from 34% to 26%. Global surgical mortality was 35% in the acute phase (positive valve culture), 14% after sterilisation (p < 0.001) and the corresponding frequencies of paravalvular leaks was 17% and 4% (p < 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed2003

[Optimalization of antibiotic policy in the Netherlands. VII. SWAB-guidelines for antimicrobial therapy in adults patients with infectious endocarditis].

The Working Party on Antibiotic Policy (Dutch acronym: SWAB) has developed guidelines for in-hospital antimicrobial therapy of adult patients with infective endocarditis. The choice and the duration of antimicrobial therapy are determined by the infecting micro-organism, the sensitivity of this micro-organism to antimicrobial therapy, the location of the endocarditis (left- or right-sided) and the presence of intracardial prosthetic material. While waiting for the culture results, the antibiotic treatment of an infected native valve is benzylpenicillin (in cases which begin subacutely or have a long history) or flucloxacillin (cases which begin acutely, are fulminant or in i.v. drug users), and gentamicin. If a prosthetic valve is infected then treatment of choice is vancomycin and gentamicin. Further antibiotic treatment depends on the causative micro-organism. Streptococci, enterococci and staphylococci are the most frequently occurring of these.

Anti-Bacterial Agents↗