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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

From: The ischemic preconditioning effect of adenosine in patients with ischemic heart disease

 

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

  1. Values are expressed as means ± SD.
  2. 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.
  3. * P < 0.01 Peak versus baseline