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Table 2 LV-function determined by cardiac magnetic resonance imaging

From: Cardiac remodeling and myocardial dysfunction in obese spontaneously hypertensive rats

 

Controls (1)

SHR-lean (2)

SHR-ob (3)

p-values

  
 

(n = 10)

(n = 8)

(n = 8)

(1) vs. (2)

(1) vs. (3)

(2) vs. (3)

Heart rate [1/min]

359 ± 13

354 ± 8

346 ± 12

0.2722

0.0710

0.1824

Ejection fraction [%]

59.6 ± 3.3

54.4 ± 2.4

46.2 ± 3.9

0.0722

0.0071

0.1824

ED volume index [μL]

636 ± 26

620 ± 20

651 ± 29

0.0823

0.0629

0.0332

ES volume index [μL]

257 ± 15

282 ± 9

353 ± 35

0.0487

0.0002

0.0092

Stroke volume index [μL]

379 ± 19

338 ± 16

298 ± 22

0.0792

0.0009

0.0029

Cardiac index [ml/min]

135 ± 12

120 ± 8

103 ± 13

0.3315

0.0021

0.0291

  1. Data are presented in means ± SEM: LV: left ventricular, bpm: beats per minute; ED: enddiastolic; ES: endsystolic.
  2. ED and ES Volume, Stroke volume was normalized on individual tibia length/tibia length of SHR-ratio (Index).