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Table 3 Longitudinal Σ (%) and SR (s-1)

From: Early impairment of contractility reserve in patients with insulin resistance in comparison with healthy subjects

 

Controls

Insulin resistance

 

Strain rate imaging

    Basal

Σ (%)

23.9 ± 6.13

24.5 ± 8.22

SR (sec−1)

1.74 ± 0.32

1.91 ± 0.29

    High dose dobutamine

Σ (%)

26.7 ± 4.32

23.6 ± 5.1

SR (sec−1)

2.87 ± 0.26*

2.45 ± 0.21*

    Δ Stress

Σ (%)

+2.2 ± 1.8 (+9%)

−0.9 ± 1.7 (−4%)

SR (sec−1)

1.14 ± 0.45 (+66%)*

0.54 ± 0.31 (+27%)*

  1. Abbreviations: SR Strain Rate, Σ Strain. *P < 0.0001.
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Cardiovascular Diabetology

ISSN: 1475-2840