PREDICTORSOFATRIALFIBRILLATION DEVELOPMENTIN PATIENTSWITH MITRALVALVEPROLAPSE
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Mitral Valve Prolapse (MVP1 syndrome is one of the most prevalent cardiac valvular abnormalities. In this study we investigated the predic tors ofatrialfibrillation (AF)prevalence inpatientswithMVP. Eighty three' adult patients with echocardiographic diagnosis ofMVP were subjected to thefollowing :-. -Full history taking and thorough clinical examination. -Electrocardiography on two occasions in. at least six weeks apart to selectpatientswithchronicAF. -Mmode, 2-dimensioncd colorDoppler transthoracic echocardiography weredoneforallpatients. Sixty two patients had sinus rhythm and twenty one patients had . chronicAF. Therewas no difference in sex hypertension, diabetes meilitus, smoking and hypercholesterolemia between sinus rhythm and AF groups. Except for age, patients with AF were significantly older than thosewithsinus rhythm. The left atrial diameter and left ventricular end-diastolic dimension in theAFgroup were greater than those in sinus rhythmgroup. Mitral regurgitation (MR) in the AFgroup was more sever than in the sinus rhythm group. Therewas nodifference infractionalshortening betweenthe sinus rhythmandAF_ group. In conclusion, the degree ofMR, the site ofMVP and left atril diameter were independent predictors ofAFprevalence in patientswithMVP.