Table 3—

Right ventricular tissue Doppler imaging/strain rate (SR) imaging echocardiographic parameters

	Controls	Patients with no PHT	Patients with PHT
Subjects n	22	17	22
Heart rate beats·min⁻¹	73±5	74±8	75±2
BSA m²	1.71±0.27	1.75±0.11	1.72±0.89
S_w velocity cm·s^−1#	9.5±1.6	7.9±1.7	5.8±1.9**
E_w velocity cm·s^−1#	−15.5±1.3	−12.9±2.4	−10.8±2.9*
A_w velocity cm·s^−1#	−2.7±1.4	−2.4±1.3	−2.2±1.5
S_a velocity cm·s⁻¹	8.4±1.7	6.9±1.2	6.1±1.4
E_a velocity cm·s⁻¹	−10.4±1.7	−8.4±1.2	−7.4±1.7
A_a velocity cm·s⁻¹	−2.4±1.7	−2.2±1.3	−2.1±1.8
Peak systolic wall strain %^#	32.5±10.2	23.2±6.7*	19.5±7.9***
IVC wall SR s^−1#	2.9±1.8	2.4±1.6	1.9±1.7^¶
Systolic wall SR s^−1#	−4.9±1.8	−3.3±1.6*	−2.9±1.5***
IVR wall SR s^−1#	2.4±1.7	1.9±1.2	1.6±1.4***
Early diastolic wall SR s^−1#	8.4±1.8	5.7±1.5*	4.4±1.7^¶
Late diastolic wall SR s^−1#	2.7±1.7	2.1±1.8	2.1±1.6

Data are presented as mean±sd. PHT: pulmonary hypertension; BSA: body surface area; S_w: systolic wall; E_w: early diastolic wall; A_w: atrial wall; S_a: systolic annulus; E_a: early diastolic annulus; A_a: atrial annulus; IVC: isovolumic contraction; IVR: isovolumic relaxation. ^#: basal right ventrical free wall site; ^¶: p<0.005 versus controls. *: p<0.05 versus controls; **: p<0.01 versus controls; ***: p<0.001 versus controls.