Table 1.

Hemodynamic parameters (heart rate, blood pressure), work capacity (Watts) and Tissue Doppler echocardiography variables (expressed as the average of the four LV walls) measured at baseline and maximal work loud during adenosine and placebo infusions

	Adenosine		Placebo
Variables	Baseline	Peak	Baseline	Peak
Heart rate, bpm	59 ± 11	104 ± 13*	62 ± 14	106 ± 13*
SBP, mm Hg	143 ± 12	172 ± 18*	148 ± 20	169 ± 28*
Watts	00.0 ± 0.0	83 ± 19	00.0 ± 0.0	83 ± 28
ST depression		1.8 ± 1.4		1.4 ± 1.0
PSV, cm/s	5.5 ± 1.6	6.4 ± 3.2*	5.5 ± 1.6	7.6 ± 2.6*
A-V plane, mm	9.6 ± 2.7	10.9 ± 4.4*	9.0 ± 2.6	11.7 ± 4.3*
S%	17.4 ± 5.1	23.4 ± 7.4*	16.5 ± 3.8	22.1 ± 7.2*
SR-1	-0.9 ± 0.3	-1.9 ± 0.5*	-1.0 ± 0.2	-1.9 ± 1.5*
E'-wave, cm/s	6.5 ± 1.9	8.8 ± 4.0*	5.5 ± 2.3	8.5 ± 4.2*
A'-wave, cm/s	4.9 ± 2.4	5.1 ± 3.6	4.9 ± 2.5	4.1 ± 2.9

Values are expressed as means ± SD.

Abbreviations: A' = late diastolic A-wave; A-V = atrio-ventricular plane displacement; bpm = beats per minute; E' = early diastolic E-wave; PSV = peak systolic velocity; SBP = systolic blood pressure, S% = strain; SR = strain rate.

* P < 0.01 Peak versus baseline