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Table 3 Pulsed- DTI-derived parameters measured at the free wall angle of the tricuspid valve annulus, data are expressed as mean ± SD

From: Early right ventricular systolic dysfunction in patients with systemic sclerosis without pulmonary hypertension: a Doppler Tissue and Speckle Tracking echocardiography study

 

Scleroderma

(n = 22)

Control

(n = 22)

P value

Sm, cm/s

11.6 ± 2.3

13.9 ± 2.7

0.005

Em, cm/s

11.3 ± 3.4

12.9 ± 3.6

0.128

Am, cm/s

14.1 ± 3.4

19 ± 5.4

0.002

IVV, cm/s

10.3 ± 3

14.8 ± 3

< 0.001

AT, ms

44.6 ± 12.7

37.2 ± 9.8

0.026

IVRT, ms

62.4 ± 34.6

11.7 ± 18.2

< 0.001

IVA, m/s2

2.3 ± 0.4

4.1 ± 0.8

< 0.001

MPI

0.55 ± 0.22

0.29 ± 0.09

< 0.001

  1. Sm - peak systolic myocardial velocity, Em - early diastolic myocardial velocity, Am - late diastolic myocardial velocity, IVV - isovolumetric myocardial velocity, AT - acceleration time, IVRT - isovolumetric relaxation time, IVA - isovolumetric acceleration, MPI - myocardial performance index
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Cardiovascular Ultrasound

ISSN: 1476-7120

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