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Table 4 Results of single regression analyses to evaluate the association between 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

Ees

Ees/Ea

regression coefficient (95% CI)

p

regression coefficient (95% CI)

p

HR (bpm)

0.01 (0.00 – 0.02)

0.039

0.00 (0.00 – 0.01)

0.642

RVEDA index (cm2/kg0.624)

-1.79 (-4.03 – 0.45)

0.114

0.19 (-0.85 – 1.23)

0.713

RVESA index (cm2/kg0.628)

-0.80 (-4.69 – 3.09)

0.680

-0.68 (-2.41 – 1.05)

0.431

RV FACn (%/kg−0.097)

-0.09 (-0.17 – -0.02)

0.010

0.05 (0.01 – 0.08)

0.006

TAPSEn (mm/kg0.284)

-0.34 (-0.84 – 0.16)

0.176

0.20 (-0.02 – 0.42)

0.070

RV s’ (cm/s)

-0.07 (-0.34 – 0.21)

0.630

0.21 (0.11 – 0.32)

 < 0.001

RV-SL3seg (%)

-0.06 (-0.20 – 0.09)

0.414

0.10 (0.04 – 0.15)

0.002

RV-SrL3seg (s−1)

0.60 (-0.74 – 1.94)

0.374

1.14 (0.66 – 1.62)

 < 0.001

RV-SL6seg (%)

0.03 (-0.14 – 0.20)

0.745

0.08 (0.01 – 0.15)

0.033

RV-SrL6seg (s−1)

2.15 (0.58 – 3.71)

0.008

1.08 (0.39 – 1.76)

0.003

  1. 3seg right ventricular free wall analysis, 6seg right ventricular global analysis, HR heart rate, RV FACn right ventricular fractional area change normalized by body weight, RV s’ peak systolic myocardial velocity of the lateral tricuspid annulus, RVEDA index end-diastolic right ventricular area normalized by body weight, RVESA index end-systolic right ventricular area normalized by body weight, RV-SL right ventricular strain, RV-SrL systolic right ventricular strain rate, TAPSEn tricuspid annular plane systolic excursion normalized by body weight