Research Article

ECG Markers of Hemodynamic Improvement in Patients with Pulmonary Hypertension

Table 3

Changes of quantitative electrocardiographic parameters after PAH specific treatment.

No hemodynamic improvementHemodynamic improvement

[mm]+1.38 ± 3.9−0.82 ± 2.00.002
[mm]−1.0 ± 4.91−0.6 ± 1.411
[mm]+0.17 ± 4.7−1.1 ± 4.01
[mm]+1.3 ± 5.6−0.91 ± 3.90.45
[mm]−0.1 ± 2.0−0.7 ± 1.91
[mm]−0.46 ± 3.0−0.48 ± 2.71
[mm]−0.7 ± 4.40 ± 3.11
[mm]−0.2 ± 1.2+0.2 ± 1.21
[mm]−0.8 ± 1.9+0.3 ± 2.80.6
to [mm]−1.6 ± 4.01+1.2 ± 4.911
Δ( + ) − ( + ) [mm]−2.1 ± 6.9+0.9 ± 4.10.2
[mm]+3.4 ± 7.4−1.0 ± 4.60.002
[mm]+1.7 ± 6.7−1.9 ± 4.30.06
peak [mm]−2.9 ± 22.22−11.3 ± 23.421
+0.5 ± 1.0−0.1 ± 0.70.03

Calculated for patients who had all required waves present; 2calculated according to guidelines, only for patients with QRS < 120 msec; and , respectively. values were mathematically adjusted using Bonferroni correction for multiple comparisons.