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Table 2 Control values of main mechanical parameters of human right atrial trabeculae.

From: Bradykinin and adenosine receptors mediate desflurane induced postconditioning in human myocardium: role of reactive oxygen species

Experimental Groups

Lmax (mm)

CSA (mm2)

FoC (mN.mm-2)

RF/TF

Control (n = 8)

6.8 ± 0.6

0.49 ± 0.10

24 ± 4

0.33 ± 0.03

Desflurane (n = 6)

6.5 ± 0.7

0.56 ± 0.07

25 ± 3

0.30 ± 0.04

Des + MPG (n = 6)

7.5 ± 0.6

0.56 ± 0.03

23 ± 5

0.27 ± 0.04

Des + SPT (n = 6)

6.0 ± 0.6

0.54 ± 0.06

23 ± 3

0.28 ± 0.02

Des + HOE (n = 6)

5.8 ± 0.4

0.46 ± 0.04

25 ± 3

0.34 ± 0.04

ADO (n = 6)

7.7 ± 0.8

0.59 ± 0.07

27 ± 2

0.28 ± 0.03

ADO + SPT (n = 6)

6.1 ± 0.4

0.60 ± 0.05

25 ± 3

0.24 ± 0.02

ADO + MPG (n = 6)

6.8 ± 0.9

0.44 ± 0.09

22 ± 4

0.40 ± 0.04

BK (n = 6)

5.8 ± 0.5

0.39 ± 0.06

28 ± 4

0.31 ± 0.04

BK + HOE (n = 6)

5.1 ± 0.4

0.54 ± 0.07

22 ± 2

0.29 ± 0.05

BK + MPG (n = 6)

6.0 ± 0.4

0.40 ± 0.04

23 ± 2

0.31 ± 0.03

MPG (n = 6)

6.3 ± 0.7

0.47 ± 0.11

30 ± 1

0.33 ± 0.06

SPT (n = 6)

6.6 ± 0.5

0.54 ± 0.06

26 ± 3

0.29 ± 0.03

HOE (n = 6)

5.3 ± 0.53

0.40 ± 0.05

26 ± 4

0.34 ± 0.04

  1. Lmax: maximal length at the apex of the length-active force curve; CSA: cross sectionnal area; FoC: Force of contraction normalized per cross sectionnal area; RF/TF: ratio of resting force on total force. Data are mean ± SD.
  2. ADO: adenosine, BK: bradykinin, Des: desflurane, HOE: HOE 140, MPG: N-mercaptopropionylglycine, SPT: 8-(p-Sulfophenyl) théophylline.