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  • Title: Progression of mitral regurgitation in patients with mitral valve prolapse.
    Author: Kolibash AJ.
    Journal: Herz; 1988 Oct; 13(5):309-17. PubMed ID: 3053383.
    Abstract:
    Mitral valve prolapse (MVP) is a very common clinical entity which is frequently associated with mild mitral regurgitation (MR) and which most commonly becomes clinically manifest in the third and fourth decades of life. Severe MR associated with MVP, occurs much less frequently and is most commonly seen in patients above the age of 50 years. Relatively little information is available regarding the progression of mild to severe MR in patients with MVP. This report reviews a recent study which investigated the progression from mild to severe MR in patients with MVP. The study included 86 patients, average age 60 years, who presented with cardiac symptoms and severe MR. A high incidence of MVP was seen on echocardiograms (57 of 75 [75%]) and on left ventriculography (61 of 84 [73%]). Mitral valve replacement was performed in 75 patients. Pathologically all valves appeared grossly enlarged, severely floppy and had extensive myxomatous changes with collagen dissolution. 80 patients had a pre-existing heart murmur first detected at average age 34. Patients remained asymptomatic for an average of 25 years at which time clinical symptoms first appeared. After symptoms developed mitral valve surgery was necessary in most patients within one year. This rapid deterioration could partially be attributed to ruptured chordae in 39 of 76 patients (51%) or atrial fibrillation in 48 of 86 patients (56%). 28 patients had one or more serial clinical evaluations including auscultation, chest x-ray, echocardiography, and cardiac catheterization.(ABSTRACT TRUNCATED AT 250 WORDS)
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