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[57 cases of infectious endocarditis: diagnosis, clinical course, prognostic factors].

Through a retrospective study on 57 patients, the authors have studied the diagnosis signs, the clinical course, and the factors which affect the prognosis of bacterial endocarditis. Echocardiography has allowed them to establish a diagnosis with 72 p.c. of cases and the bacteriological investigations with 42 p.c. Out of these endocarditides, 39 were found on natural valves, 6 were associated with congenital cardiopathies, 9 followed the replacement of a valvula, and 3 were associated with endomyocardial fibrosis. Cardiac insufficiency (56 p.c.), and renal insufficiency (24 p.c.) were prevailing. The discussion turns on the diagnosis factors and the factors involved in the prognosis. Considering that the death rates were 64 p.c. with the patients who had undergone medical treatment and 14 p.c. with those who had undergone operations, the relevance of the surgical treatment has been emphasized.

Adolescent↗
PubMed1984

[Significance of the detection of echocardiographic vegetation for the clinical course and prognosis of infectious endocarditis].

52 patients with infective endocarditis and manifestations on 62 valves were examined by echocardiography between January 1978 and May 1983. In 34 patients (65%) vegetations were visible at least on one valve, in 10 patients (19%) the result was doubtful and in 8 patients (16%) no vegetations could be seen. In a comparison of echocardiographic and intraoperative or autopsy findings, with doubtful results left out, the over-all sensitivity was 96%, specifity 44% and reliability 83%. There was no statistically significant difference in echocardiographic results between patients who were operated upon or treated medically. Patients with positive echocardiographic vegetations had no statistically significant higher risk of embolism. Morphological aspects of the vegetations had no influence on clinical course and prognosis either. All 12 patients (23%) who died had positive echocardiographic vegetations. Yet the difference from the surviving group was not significant. Hence, echocardiography is a sufficiently sensitive and reliable method for the detection of vegetations in patients with infective endocarditis. However, echocardiographic findings alone are of no consequence in medical or surgical treatment, arterial embolization or prognosis.

Adolescent↗
PubMed1984

[Diagnostic value of echocardiographic examinations in the evaluation of patients with infectious endocarditis of aortic and/or mitral valve localization].

We estimated sensitivity, specificity, predictive value and efficiency of echocardiography in detecting vegetations and ruptured valves in patients with aortic and/or mitral valves infective endocarditis. We studied two groups of patients, in whom both high quality echocardiography examination and surgical inspection of heart valves were available. Group I: 16 patients (32 valves) with aortic and/or mitral valves endocarditis and surgical demonstration of vegetations and/or ruptured valves. In this group the prevalence of vegetations was 65.6%, the prevalence of ruptured valves was 43.7%. Group II was composed of the 16 patients of group I with endocarditis and of 93 other patients without endocarditis. In this group (139 valves) the prevalence of vegetations was 15%, the prevalence of ruptured valves was 13.6%. Echocardiographic detection of valve vegetations. Sensitivity (71.4%) was the same in group I and II. Specificity was 91% in group I and 91.5% in group II. The positive predictive value was 93.7% in group I and 60% in group II. The negative predictive value was 62.5% and 94.7% respectively. Echocardiographic detection of ruptured valves: sensitivity was 50% in I and 42% in group II. Specificity was 94.4% in group I and 99% in group II. The positive predictive value was 87.5% in group I and 89% in group II. The negative predictive value was 70.8% in group I and 91.5% in group II. The echocardiographic efficiency was higher in group II: 88.4% for vegetations and 91.3% for ruptured valves. This reflects the high specificity and the high definition of normal valves in this unselected low-risk group. The efficiency was lower in group I: 78% for vegetations and 75% for ruptured valves. This reflects the poor sensitivity and the failure of the test to identify all the vegetations or the ruptured valves in this selected high-risk group.

Adolescent↗
PubMed1984

[Clinical demonstrations: Heart rupture in acute myocardial infarct. Infectious endocarditis. Wolff-Parkinson-White syndrome].

This clinical demonstration includes three topics of clinical cardiology: myocardial rupture in acute myocardial infarction, infective endocarditis, and WPW-syndrome with paroxysmal supraventricular tachycardia. In the first part three cases with septal perforation or papillary muscle rupture are demonstrated. Our experience with myocardial rupture (free wall, septum, papillary muscle) during the last six years is summarized with special reference to the significance and the differential diagnosis of systolic regurgitant murmurs after myocardial infarction. Special features of acute mitral incompetence (papillary muscle dysfunction) in myocardial infarction are outlined and diagnostic guidelines for differentiation between septal perforation and papillary muscle rupture are discussed. In the second part two patients with aortic (e.g. mitral) valve rupture in the course of infective endocarditis are presented. The synoptic comparison of these two patients is related to the results of our own clinical studies on the changing pattern of infective endocarditis (epidemiologically, clinically) during the last three decades. The clinical picture of acute aortic valve rupture is outlined and the bedside signs indicating catastrophic complications of infective endocarditis are summarized. In the third part the odyssey of a patient with WPW-syndrome and consecutive paroxysmal supraventricular tachycardia is described. Progress in electrophysiological analysis of the re-entry circles in preexcitation syndromes is outlined.

Adult↗