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PubMed1985

[Prognostic value of echocardiographic finding of valvular vegetations in patients with infectious endocarditis].

42 consecutive patients with infective endocarditis on native valves, according to Pelletier and Petersdorf's criteria of definite (13 pts), probable (12 pts.) and possible (17 pts) endocarditis, were identified and prospectively followed-up with M-mode and two-dimensional echocardiography, since 1980. We compared: 1) these three groups; 2) survivors not referred for surgery versus surgical patients plus nonsurvivors; 3) patients who suffered embolic events versus those who did not; 4) patients with severe-moderate heart failure versus those with no failure or mild failure; 5) patients with aortic valve echocardiographic vegetations versus those with mitral valve vegetations. Furthermore 11 of these patients who did not undergo surgery (9 with mitral and 2 with mitro-aortic vegetations on echo) were serially followed-up with echocardiography for 6-42 months (average: 32 months). The presence of ultrasound detectable vegetations itself and their size, without considering their site, did not identify a major risk of embolization, heart failure, death or need of surgery. The site of vegetations was the only significant feature in our series. It identified a high-risk group and a relatively low-risk group. Aortic valve involvement, with echocardiographic vegetations, was related to severe or moderate heart failure (P less than 0.01), death or need of surgery (P less than 0.05). Mitral valve involvement carried on a relatively low risk. The 9 patients with mitral valve vegetations only, not referred for surgery and followed-up, did well on medical treatment and returned to work. They did not have relapses or embolization. On serial echocardiographic examinations, mitral vegetations become smaller in the long run. Two years after the acute episode, usually echocardiography did not allow identification of vegetations.

Echocardiography↗
PubMed1985

[Echocardiographic and clinical correlations in infectious endocarditis of the left heart].

UNLABELLED: The echocardiographic features were correlated with the clinical findings and outcome in 35 patients with aortic and/or mitral valve endocarditis. There were 26 males and 9 females with a mean age of 38 years. The infection involved native valves in 27 patients and prosthetic valves in 8 patients. Echocardiographically, fourteen patients had involvement of native aortic valve. All patients in this group required surgical intervention, nine patients during antimicrobial therapy. Congestive heart failure was the clinical indication for valvular replacement. A patient died immediately after surgery from low cardiac output syndrome. Six patients had echocardiographic evidence of aortic and mitral valves involvement. A patient in this group expired before surgery, five underwent surgery because of progressive heart failure (aortic or aortic and mitral valves replacement). Seven patients showed lesions on native mitral valve (6 in this group had prolapse syndrome). A patient died from cerebrovascular embolus, two underwent surgery because of persistent infection and embolic events, four were successfully treated with medical therapy. Among patients with prosthetic valve endocarditis, four showed signs of valvular dehiscence and required surgical intervention, during antimicrobial therapy, from congestive heart failure; one patient expired from recurrent infection. The pathological findings correlated well with echocardiographic findings. CONCLUSIONS: in IE the localization of lesions by echo has prognostic significance: most patients with aortic valve or aortic and mitral valves endocarditis require early surgical intervention because of congestive heart failure. On the contrary, mitral valve involvement carries a better prognosis, requiring less frequently valvular replacement; the patients with echocardiographic signs of prosthetic valve dehiscence require urgent intervention.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1985

[Cardiac complications of infectious endocarditis].

Factors predisposing to cardiac complications and influencing hospital survival, were analysed in a retrospective study of 101 cases of infective endocarditis. Heart failure occurred in 52 p. 100 of our patients. A significantly greater incidence of heart failure was observed in endocarditis with no preexisting heart disease (p less than 0.01), aortic and mitral valve involvement (p less than 0.01), staphylococcus aureus infections (p less than 0.05), arrhythmias (p less than 0.001), and conduction disturbances (p less than 0.01). Significantly more patients with congestive cardiac failure died in hospital (51 p. 100) than those without congestive cardiac failure (17 p. 100) (p less than 0.001). Severe heart failure before treatment (p less than 0.05), streptococcus D endocarditis (p = 0.05), supraventricular arrhythmias (p less than 0.05), and intracardiac conduction disturbances (p less than 0.05), significantly increased the hospital mortality in patients with congestive heart failure. Electrocardiographic findings revealed arrhythmias in 34 p. 100 of cases, more commonly with mitral valve involvement (71 p. 100) and 52 p. 100 died in hospital. The development of intracardiac conduction disturbance during the course of 18 cases of endocarditis (aortic valve in 11 cases) was associated with a hospital mortality rate of 60 p. 100. The incidence of pericarditis and pulmonary embolism was 4 and 7 p. 100 respectively, and all patients died in hospital. Acute inferior myocardial infarction compatible with coronary embolism was suspected in one patient. Early cardiac valve replacement improved the hospital survival in patients with cardiac complications of infective endocarditis.

Adult↗