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Table 2 Echocardiographic data

From: Exposure to concentrated ambient particulate matter induces reversible increase of heart weight in spontaneously hypertensive rats

 

Week 20

Week 25

 

FA

CAP

FA

CAP

HR (BPM)

355 ± 3.22

320.2 ± 8.9

367.4 ± 6.6

348.2 ± 8.8

Syst Diam (mm)

3.9 ± 0.17

4.3 ± 0.3

4.1 ± 0.3

4.2 ± 0.21

Dias Diam (mm)

7.4 ± 0.1

6.5 ± 0.2

7.3 ± 0.23

6.9 ± 0.25

Syst Vol (ul)

70 ± 7.45

98.5 ± 12.1

73.6 ± 14.11

85.4 ± 9.7

Dias Vol (ul)

295.3 ± 8.5

221.5 ± 1.35

291.3 ± 10.4

275.3 ± 11.2

Ejec Frac (%)

77.4 ± 1.67

61.2 ± 3.9

74.4 ± 3.51

69.4 ± 4.4

LVAW;d (mm)

2 ± 0.05

2 ± 0.07

2 ± 0.03

1.9 ± 0.07

LVAW;s (mm)

3.3 ± 0.07

2.7 ± 0.1

2.8 ± 0.09

3.1 ± 0.1

LVID;d (mm)

7.4 ± 0.1

6.9 ± 0.17

7.2 ± 0.09

6.9 ± 0.17

LVID;s (mm)

3.9 ± 0.13

4.2 ± 0.27

3.8 ± 0.2

4.2 ± 0.23

LVPW;d (mm)

2.5 ± 0.03

2.3 ± 0.1

2.3 ± 0.05

2.4 ± 0.09

LVPW;s (mm)

3.4 ± 0.02

2.9 ± 0.2

3.2 ± 0.1

3.1 ± 0.13

SVDias-Syst (ul)

226.4 ± 10.32

123.6 ± 11.9*

217.4 ± 15.21

190.2 ± 11.33

Frac Short (%)

48.4 ± 3.48

36.2 ± 2.9

46.2 ± 1.89

40.3 ± 2.47

LV Mass (mg)

1297 ± 246.8

1046 ± 229.4

1189 ± 219.7

1278 ± 347.7

  1. Echocardiography was performed before euthanization and results are presented as mean ± SEM
  2. HR heart rate, Syst Diam systolic diameter, Dias Diam diastolic diameter, Syst Vol systolic volume, Dias Vol diastolic volume, Ejec Frac ejection fraction, LVAW;d diastolic left ventricle anterior wall, LVAW;s systolic left ventricle anterior wall, LVID;d diastolic left ventricle internal dimension, LVID;s systolic left ventricle internal dimension, LVPW;d diastolic left ventricle posterior wall, LVPW;s systolic left ventricle posterior wall, SV Dias-Syst stroke volume calculated by the difference between Dias Vol and Syst Vol, Frac Short fractional shortening, LV mass left ventricle mass
  3. * p < 0.05 versus FA, ANOVA
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Particle and Fibre Toxicology

ISSN: 1743-8977

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