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Table 1 Cardiac Magnetic Resonance Imaging data.

From: Extracellular volume(ECV) quantified by T1 mapping could reflect effect of long term blood pressure control status in patients with essential hypertension

 

Well-controlled BP(n = 20)

Uncontrolled BP (n = 20)

Control (n = 20)

P value

LVEDV, ml

112.7 ± 23.8

121.6 ± 19.7

109.3 ± 17.8

>0.05

LVESV, ml

40.7 ± 9.2

46.3 ± 1.4

39.8 ± 1.0

>0.05

LVEDVI, ml/BSA

67.5 ± 11.9

68.1 ± 12.1

68.3 ± 10.7

>0.05

LVESVI, ml/BSA

24.5 ± 4.9

25.6 ± 7.9

25.6 ± 6.4

>0.05

LVM, g

75.8 ± 15.6*

82.1 ± 17.4*

63.8 ± 12.8

<0.05

LVMI, g/BSA

45.4 ± 8.2

46.0 ± 9.6

41.8 ± 9.5

>0.05

IVS, mm

8.7 ± 1.0*

9.9 ± 2.7**#

7.4 ± 1.2

<0.001

LVEF, %

63.5 ± 5.7

61.6 ± 6.7

63.1 ± 7.1

>0.05

SV, ml

71.8 ± 18.3

74.4 ± 12.5

68.1 ± 13.1

>0.05

Native myocardium T1 time, msec

1257 ± 61

1271 ± 58

1233 ± 66

>0.05

Post-contrast T1 time, msec

461 ± 43

443 ± 47

474 ± 44

>0.05

ECV, %

27.6 ± 2.1*

29.4 ± 3.1**#

26.1 ± 1.6

<0.001

  1. Values are mean ± SD
  2. LVEDV = left ventricular end-diastolic volume; LVESV = left ventricular end-systolic volume; BSA = body surface area; LVEDVI = left ventricular end-diastolic volume index; LVESVI = left ventricular end-systolic volume index; LVM=left ventricular mass; LVMI=left ventricular mass index; IVS= interventricular septum; LVEF = left ventricular ejection fraction; SV= stroke volume; ECV = extracellular volume fraction;
  3. * p <0.05 vs.control, ** p <0.001 vs.control, # p <0.05 vs. Well-controlled BP group (LSD post-hoc tests for differences)