Cardiol Res

Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access

Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc

Journal website https://www.cardiologyres.org

Original Article

Volume 4, Number 4-5, October 2013, pages 139-144

The Link between Right and Left Ventricular Systolic Performance at Rest and after Stress: Insights Into the Mechanism

**Table 1.** RV Longitudinal Systolic Function Parameters at Rest and After DSE Studies in Normal Subjects With and in Those With LV-WMA Only After DSE
	REST	DSE	P
TAPSE (mm)	WMA after DSE	24.04 ± 4.2	27.2 ± 5.9	0.13
	NO-WMA	24.9 ± 4.8	27.7 ± 6.2	0.062
	P	0.556	0.818
TASV (cm/sec)	WMA after DSE	16.9 ± 4.1	26.4 ± 8.3	0.0007
	NO-WMA	17.6 ± 3.4	27.5 ± 7.2	1.37 × 10^-11
	P	0.59	0.64
TAPSE/TASV(msec)	WMA after DSE	147.6 ± 33.6	108 ± 23.3	0.0073
	NO-WMA	143.4 ± 29.3	102.6 ± 22.5	3.3 × 10^-7
	P	0.82	0.105
HR (bpm)	WMA after DSE	70.3 ± 8.8	135.5 ± 14.3	5.2 × 10^-15
	NO-WMA	70.7 ± 9.96	139.6 ± 9.9	3.08 × 10^-44
	P	0.81	0.308

Table 1. RV Longitudinal Systolic Function Parameters at Rest and After DSE Studies in Normal Subjects With and in Those With LV-WMA Only After DSE

REST

DSE

TAPSE (mm)

WMA after DSE

24.04 ± 4.2

27.2 ± 5.9

0.13

NO-WMA

24.9 ± 4.8

27.7 ± 6.2

0.062

0.556

0.818

TASV (cm/sec)

WMA after DSE

16.9 ± 4.1

26.4 ± 8.3

0.0007

NO-WMA

17.6 ± 3.4

27.5 ± 7.2

1.37 × 10^-11

0.59

0.64

TAPSE/TASV(msec)

WMA after DSE

147.6 ± 33.6

108 ± 23.3

0.0073

NO-WMA

143.4 ± 29.3

102.6 ± 22.5

3.3 × 10^-7

0.82

0.105

HR (bpm)

WMA after DSE

70.3 ± 8.8

135.5 ± 14.3

5.2 × 10^-15

NO-WMA

70.7 ± 9.96

139.6 ± 9.9

3.08 × 10^-44

0.81

0.308

**Table 2.** RV Longitudinal Systolic Function Parameters at Rest and After DSE Studies in Subjects With and Without LV-WMA at Rest
	REST	DSE	P
TAPSE (mm)	WMA	20.5 ± 4.8	21.5 ± 5.6	0.3
	NO-WMA	24.5 ± 4.5	27.5 ± 5.7	0.006
	P	0.0088	0.002
TASV (cm/sec)	WMA	16.5 ± 2.7	23.3 ± 7.5	0.0057
	NO-WMA	17.3 ± 3.4	27.1 ± 6.8	1.37 × 10^-11
	P	0.2	0.06
TAPSE/TASV (msec)	WMA	124 ± 21	96 ± 19	0.0019
	NO-WMA	145 ± 27	105 ± 22	5.01 × 10^-10
	P	0.0065	0.105
HR (bpm)	WMA	74.2 ± 17.6	130.9 ± 15.6	4.35 × 10^-10
	NO-WMA	70.7 ± 9.96	138 ± 11.9	3.08 × 10^-44
	P	0.48	0.123

Table 2. RV Longitudinal Systolic Function Parameters at Rest and After DSE Studies in Subjects With and Without LV-WMA at Rest

REST

DSE

TAPSE (mm)

WMA

20.5 ± 4.8

21.5 ± 5.6

0.3

NO-WMA

24.5 ± 4.5

27.5 ± 5.7

0.006

0.0088

0.002

TASV (cm/sec)

WMA

16.5 ± 2.7

23.3 ± 7.5

0.0057

NO-WMA

17.3 ± 3.4

27.1 ± 6.8

1.37 × 10^-11

0.2

0.06

TAPSE/TASV (msec)

WMA

124 ± 21

96 ± 19

0.0019

NO-WMA

145 ± 27

105 ± 22

5.01 × 10^-10

0.0065

0.105

HR (bpm)

WMA

74.2 ± 17.6

130.9 ± 15.6

4.35 × 10^-10

NO-WMA

70.7 ± 9.96

138 ± 11.9

3.08 × 10^-44

0.48

0.123

**Table 3.** Relationship Between Longitudinal RV and LV Ventricular Systolic Function Parameters at Rest and After DSE Studies in Subjects With and Without LV-WMA at Rest
	REST	DSE	P
TAPSE/MAPSE	IVS	WMA	2.27 ± 1.02	2.08 ± 0.87	0.65
		NO-WMA	1.87 ± 0.36	2.0 ± 0.5	0.25
		P	0.247	0.77
	LATERAL	WMA	1.62 ± 0.46	1.64 ± 0.55	0.93
		NO-WMA	1.62 ± 0.39	1.72 ± 0.5	0.28
		P	0.95	0.66
TASV/MASV	IVS	WMA	1.68 ± 0.74	1.81 ± 0.46	0.62
		NO-WMA	1.61 ± 0.34	1.5 ± 0.3	0.155
		P	0.76	0.058
	LATERAL	WMA	1.77 ± 0.93	1.82 ± 0.58	0.89
		NO-WMA	1.52 ± 0.43	1.58 ± 0.47	0.53
		P	0.38	0.21

Table 3. Relationship Between Longitudinal RV and LV Ventricular Systolic Function Parameters at Rest and After DSE Studies in Subjects With and Without LV-WMA at Rest

REST

DSE

TAPSE/MAPSE

IVS

WMA

2.27 ± 1.02

2.08 ± 0.87

0.65

NO-WMA

1.87 ± 0.36

2.0 ± 0.5

0.25

0.247

0.77

LATERAL

WMA

1.62 ± 0.46

1.64 ± 0.55

0.93

NO-WMA

1.62 ± 0.39

1.72 ± 0.5

0.28

0.95

0.66

TASV/MASV

IVS

WMA

1.68 ± 0.74

1.81 ± 0.46

0.62

NO-WMA

1.61 ± 0.34

1.5 ± 0.3

0.155

0.76

0.058

LATERAL

WMA

1.77 ± 0.93

1.82 ± 0.58

0.89

NO-WMA

1.52 ± 0.43

1.58 ± 0.47

0.53

0.38

0.21

**Table 4.** Comparison of Ratios of RV to LV Ventricular Septal and Lateral Systolic Function Parameters in Subjects With and Without LV-WMA at Rest
	P (IVS:LATERAL)
P value statistics two tailed and one tailed (in brackets) student test.
TAPSE/MAPSE	WMA	0.0753 (0.038)	0.172 (0.086)
	NO-WMA	0.0016 (0.0008)	0.0153 (0.0076)
TASV/MASV	WMA	0.78 (0.39)	0.96 (0.48)
	NO-WMA	0.33 (0.16)	0.36 (0.18)

Table 4. Comparison of Ratios of RV to LV Ventricular Septal and Lateral Systolic Function Parameters in Subjects With and Without LV-WMA at Rest

P (IVS:LATERAL)

Rest

DSE

P value statistics two tailed and one tailed (in brackets) student test.

TAPSE/MAPSE

WMA

0.0753 (0.038)

0.172 (0.086)

NO-WMA

0.0016 (0.0008)

0.0153 (0.0076)

TASV/MASV

WMA

0.78 (0.39)

0.96 (0.48)

NO-WMA

0.33 (0.16)

0.36 (0.18)