Skip to main content

Table 4 Correlation analysis of mean right atrial (RA) and right ventricular (RV) strain parameters with invasively obtained hemodynamic parameters

From: Associations of 2D speckle tracking echocardiography-based right heart deformation parameters and invasively assessed hemodynamic measurements in patients with pulmonary hypertension

 

PH (n = 45)

Non-PH (n = 33)

Parameter

mPAP

PCWP

mPAP

PCWP

correlation coefficient

p value

correlation coefficient

p value

correlation coefficient

p value

correlation coefficient

p value

RA area

0.297

0.050

0.189

0.219

0.043

0.814

0.281

0.126

RVED area

0.382

0.012

0.389

0.010

0.106

0.598

0.142

0.489

RVES area

0.271

0.078

0.338

0.027

− 0.026

0.899

0.026

0.900

FAC

0.089

0.572

0.130

0.407

0.157

0.434

0.031

0.882

RV base diameter

0.346

0.023

0.318

0.038

0.051

0.792

0.213

0.277

RV mid diameter

0.251

0.104

0.188

0.227

−0.182

0.343

0.182

0.355

RV apex-base diameter

0.077

0.626

0.104

0.507

− 0.073

0.705

− 0.258

0.184

TAPSE

0.378

0.010

0.181

0.233

0.245

0.154

0.310

0.085

RV-S′

0.323

0.037

0.166

0.294

0.453

0.10

−0.069

0.717

RVOT VTI

−0.364

0.019

−0.222

0.16

0.377

0.044

0.059

0.77

RV-e‘

0.200

0.20

0.132

0.40

0.455

0.009

0.269

0.14

RV-a‘

−0.455

0.009

−0,275

0.13

−0,104

0.58

−0.111

0.56

RA strain parameters

 RAS

−0.470

0.001

−0.296

0.048

−0.017

0.923

−0.177

0.334

 Conduit function *

−0.342

0.065

−0.171

0.366

0.259

0.175

−0.019

0.924

Contractile function *

−0.335

0.071

−0.242

0.198

0.045

0.818

−0.018

0.927

RV strain parameters

 RVS

0.490

0.001

0.365

0.015

−0.130

0.520

−0.052

0.802

 Basal strain

0.395

0.009

0.131

0.404

0.062

0.763

−0.307

0.135

 mid strain

0.443

0.003

0.260

0.092

−0.180

0.378

−0.024

0.910

 Apical strain

0.461

0.002

0.348

0.220

−0.298

0.139

0.242

0.244

 Free Wall

0.466

0.002

0.258

0.094

−0.277

0.265

−0.061

0.773

  1. PH, pulmonary hypertension; mPAP, mean pulmonary artery pressure; PCWP, pulmonary capillary wedge pressure; RA, right atrial; RV, right ventricular; RVED and RVES, RV end diastolic and end systolic; FAC, fractional area change; TAPSE, tricuspid annular plane systolic excursion; RV-S′, RV peak systolic velocity; RAS, mean right atrial reservoir strain; * = atrial fibrillation, RA conduit and contraction function was only calculated for 59 patients (PH n = 30, non-PH n = 29); RVS = mean right ventricular strain