[Infectious endocarditis, complication of mitral valve prolapse].
Among 77 patients with bacterial endocarditis on native valves explored by echocardiography, 12 (7 male, 5 female, mean age: 50 years) presented with mitral valve prolapse. This condition is relatively common, being found in 15.5% of patients with bacterial endocarditis and in 32% of those with mitral valve endocarditis. Two-dimensional TM echocardiography showed the mitral valve prolapse in every case and, in 11/12 cases, a vegetation associated with a varying degree of thickening of the valve due to myxoid degeneration. Although cardiac signs were sometimes minimal. Ten hemocultures were positive: 7 for streptococci, 2 for staphylococci and 1 for Hemophilus para-aphrophilus. Two patients died of cerebral haemorrhage, and there were 2 cases of hemiplegia, 4 cases of transient left ventricular failure and 2 cases of spleen embolism. These findings suggest that prophylactic treatment of bacterial endocarditis should be undertaken in patients with mitral valve prolapse and signs of myxoid degeneration at echocardiography.
D000328:Adult; D000368:Aged; D004452:Echocardiography; D004697:Endocarditis, Bacterial / Q000175:diagnosis / Q000209:etiology* / Q000517:prevention & control; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008945:Mitral Valve Prolapse / Q000150:complications*; D011379:Prognosis; D012306:Risk; D013997:Time Factors
L'endocardite infectieuse, complication du prolapsus valvulaire mitral.