Introducción: El índice de excentricidad (IE) obtenido con
SPECT miocárdico permite evaluación de esfericidad ventricular izquierda en
remodelación patológica.
Objetivo: conocer IE en
adultos con diversas condiciones cardíacas.
Método: Grupo I Controles (n=44) con >2
factores de riesgo cardiovascular exceptuando
Diabetes Mellitus (DM); Grupo II DM 2 (n=41). Ambos grupos asintomáticos sin
enfermedad coronaria conocida. Grupo III Con alteración de motilidad segmentaria y/o
infarto de miocardio (n=64). Grupo IV Dilatados (n=21) con alteraciones de motilidad difusa o
miocardiopatías . Se utilizó Sestamibi-Tc99m y procesamiento QGS. (IE esfera valor
Background: The Eccentricity Index (EI) obtained with myocardial
SPECT allows adequate assessment of left ventricular shape in pathological myocardial
remodeling .
Aim: To compare EIs in
adults with different cardiac conditions.
Methods: 170
patients were studied. Group I (n=44) were control subjects with >2
cardiovascular risk factors not including
Diabetes Mellitus (DM); Group II (n=41) had type II DM.
Patients in both groups were asymptomatic without known
coronary artery disease or wall
motion abnormalities . Group III (n=64) had seg-mental wall
motion abnormality and/or
myocardial infarction ; Group IV (n=21) included
patients with dilated ventricles and diffuse abnormal wall
motion . We used gated
99mTc Sestamibi SPECT and QGS processing (EI sphere