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Table 3 Myocardial Performance Index and Doppler time intervals.

From: Myocardial involvement during the early course of type 2 diabetes mellitus: usefulness of Myocardial Performance Index

Parameters Diabetes mellitus Diabetes mellitus with hypertension Controls
LV MPI 0.49 ± 0.10* 0.49 ± 0.12** 0.39 ± 0.10
LV ICT (ms) 59 ± 22 60 ± 24 50 ± 11
LV IRT (ms) 78 ± 24 80 ± 33 62 ± 14
LV ET (ms) 281 ± 23 285 ± 25 295 ± 30
E-wave deceleration time (ms) 182 ± 51** 190 ± 59** 139 ± 16
Epv (cm/s) 67 ± 9* 71 ± 11 76 ± 16
Etvi (cm) 9 ± 2 9 ± 3 10 ± 2
Apv (cm/s) 70 ± 13** 76 ± 14** 57 ± 13
Atvi (cm) 6 ± 2 7 ± 2 5 ± 2
Epv/Apv 1.0 ± 0.2 1.0 ± 0.2** 1.4 ± 0.3
Etvi/Atvi 1.5 ± 0.4** 1.4 ± 0.5** 2.0 ± 0.6
  1. *p < 0.02 diabetics vs controls, **p < 0.01 diabetics vs controls, p < 0.05 diabetics vs controls.
  2. LV, left ventricle; MPI, myocardial performance index; ICT, isovolumic relaxation time; IRT, isovolumic contraction time; ET, ejection time; E, early diastolic filling wave; A, atrial contraction wave; pv, peak velocity; tvi, time velocity integral.