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Table 3 Correlation coefficients between HR and hemodynamic and echocardiographic variables

From: Influence of heart rate on right ventricular function assessed by right heart catheterization and echocardiography in healthy anesthetized dogs

Variables

Heart rate

Correlation coefficients

p*

Maximal RV pressure (mmHg)

0.08

0.620

Minimal RV pressure (mmHg)

-0.07

0.647

Maximal RV volume (mL)

-0.20

0.021

Minimal RV volume (mL)

-0.20

0.021

Stroke volume (mL)

-0.07

0.677

Cardiac output (L/min)

0.47

0.002

Ees (mmHg/mL)

0.25

0.011

Ea (mmHg/mL)

0.12

0.450

Ees/Ea

0.06

0.729

RVEDA index (cm2/kg0.624)

-0.68

 < 0.001

RVESA index (cm2/kg0.628)

-0.56

 < 0.001

RV FACn (%/kg−0.097)

-0.40

0.010

TAPSEn (mm/kg0.284)

-0.72

 < 0.001

RV s’ (cm/s)

0.04

0.828

RV-SL3seg (%)

-0.37

0.017

RV-SrL3seg (s−1)

0.42

0.008

RV-SL6seg (%)

-0.31

0.054

RV-SrL6seg (s−1)

0.44

0.005

  1. 3seg RV free wall analysis, 6seg RV global analysis, Ea effective arterial elastance, Ees end-systolic elastance, RV right ventricular, RV FACn: RV fractional area change normalized by body weight, RV s’ peak systolic myocardial velocity of the lateral tricuspid annulus, RVEDA index end-diastolic RV area normalized by body weight, RVESA index end-systolic RV area normalized by body weight, RV-SL RV strain, RV-SrL systolic RV strain rate, TAPSEn tricuspid annular plane systolic excursion normalized by body weight
  2. *P value of the Pearson’s or Spearman’s correlation coefficient