Publicaciones científicas

Changes in diastolic function in heart rejection: role of Doppler echocardiography

Barba J., Gómez J.A., Abecia A.C., Iglesias I., Díaz C., Pellicelli A., Lozano D., Herreros J., Llorens R., Martínez Caro D.
Departamento de Cardiología, Facultad de Medicina, Universidad de Navarra, Pamplona.

Revista: Revista Española de Cardiología

Fecha: 01-dic-1992

Anatomía Patológica Cardiología

In acute cardiac rejection, left ventricular diastolic function is altered.

To study these abnormalities and their utility in cardiac allograft rejection, we studied 56 cardiac transplant recipients. All patients were assessed with endomyocardial biopsy and Doppler echocardiography done in the same day. A total of 163 Doppler studies were recollected.

Cardiac transplant recipients were excluded during the early 6 weeks postoperative period. Totally, 100 biopsies were normal, 48 positive for mild rejection (Billingham Gde I-II) and 15 positive for moderate or severe rejection (Billingham Gde III-IV). Compared to negative biopsies, during acute rejection left ventricular wald thickness significantly increased (p < 0.05); isovolumic relaxation period and pressure half-time significantly decreased (p < 0.05, p < 0.001 respectively). Nevertheless, increase in peak early mitral flow velocity was only significantly associated with severe rejection (p < 0.001). Correlating only progressive shortening of isovolumic relaxation period parameter in the diagnosis of graft rejection, we forward a high sensibility (85%) and low specificity (57%).

Thus, Doppler echocardiographic evaluation of left ventricular diastolic function provides a non-invasive tool for early detection of acute rejection monitoring after the early postoperative period.

CITA DEL ARTÍCULO  Rev Esp Cardiol. 1992 Dec;45(10):652-6

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