title: [Long-term follow up of Doppler parameters of ventricular diastolic function after myocardial infarct].
abstract: Forty-two survivors of a first transmural, noncomplicated myocardial infarction underwent mitral flow pulsed-Doppler studies both at predischarge time and 1 year later, in order to assess the long-term evolution of diastolic parameters in the absence of reinfarction or revascularization procedures. Results showed a decrease of mean value of E wave peak velocity (59.6 +/- 14 cm/sec vs 46.8 +/- 13 cm/sec, p < 0.001). Mean value of A wave peak velocity remained stable (59.4 +/- 16 cm/sec vs 58.8 +/- 13 cm/sec, p = 0.86). The mean value of the E/A ratio showed a significant decrease during follow-up from an initial value > or = 1 to a final value < 1 (1.08 +/- 0.4 vs 0.82 +/- 0.2, p < 0.01). From the point of view of individual results, only 8 of 22 patients with an E/A ratio > or = 1 before discharge presented the same ratio value 1 year later, whereas only 1 patient with a E/A ratio < 1 before discharge presented a > 1 value of this ratio in the late study. It is concluded that during the first year of evolution after transmural, nonrevascularized, noncomplicated infarction, the left ventricle filling pattern displays a significant change from predischarge phase (mainly protodiastolic with predominant E wave) to late follow-up (mainly telediastolic with predominant A wave). Different hypotheses to explain these results are discussed.
authors.affiliation: Unidad de Cardiología-Hemodinámica, Hospital Universitario Virgen de la Arrixaca, Murcia, España.
authors.forename: J
authors.initials: J
authors.lastname: Salas Nieto
authors.forename: J
authors.initials: J
authors.lastname: Martínez Sánchez
authors.forename: M
authors.initials: M
authors.lastname: Villegas García
authors.forename: G
authors.initials: G
authors.lastname: de la Morena Valenzuela
authors.forename: J A
authors.initials: JA
authors.lastname: Ruiz Ros
authors.forename: F
authors.initials: F
authors.lastname: Picó Aracil
authors.forename: J A
authors.initials: JA
authors.lastname: Nuño de la Rosa
authors.forename: J A
authors.initials: JA
authors.lastname: Ruiperez Abizanda
mesh_terms: D000328:Adult; D000368:Aged; D003971:Diastole; D015150:Echocardiography, Doppler; D005260:Female; D005500:Follow-Up Studies; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology*; D013997:Time Factors
vernacular_title: Evolución a largo plazo de los parámetros Doppler de función diastólica ventricular tras un infarto del miocardio.