ECG Markers of Hemodynamic Improvement in Patients with Pulmonary Hypertension
Table 2
Baseline electrocardiography characteristics.
No hemodynamic improvement
Hemodynamic improvement
HR [bpm]
79.0 ± 17.2
76.4 ± 16.4
0.46
Sinus rhythm [ (%)]
39 (86.7%)
40 (87.0%)
0.97
[mm]
6.5 ± 5.7
4.2 ± 3.0
0.02
> 6 mm [ (%)]
17 (37.8%)
13 (28.3%)
0.34
[mm]1
6.9 ± 12.0
3.2 ± 4.6
0.09
> 1.0 [ (%)]
36 (80%)
29 (63%)
0.08
[mm]
9.5 ± 5.5
8.6 ± 4.5
0.39
> 10 mm [ (%)]
17 (37.8%)
17 (37%)
0.94
[mm]
6.5 ± 4.6
6.1 ± 3.8
0.64
> 3 mm [ (%)]
33 (73.3%)
35 (76%)
0.76
[mm]
3.2 ± 2.3
2.5 ± 2.1
0.17
> 4 mm [ (%)]
9 (20%)
5 (10.9%)
0.62
[mm]
2.6 ± 4.0
2.8 ± 3.4
0.78
< 2 mm [ (%)]
29 (64.4%)
26 (56.5%)
0.44
[mm]
7.9 ± 4.3
7.7 ± 3.3
0.83
< 3 mm [ (%)]
3 (6.7%)
3 (6.5%)
0.98
[mm]
1.3 ± 1.0
1.8 ± 2.7
0.25
< 3 mm [ (%)]
15 (33.3%)
12 (26%)
0.45
[mm]
1.9 ± 1.9
2.7 ± 4.5
0.31
< 3 mm [ (%)]
1 (2.2%)
4 (8.7%)
0.18
to [mm]1
3.0 ± 6.4
6.4 ± 19.4
0.35
to < 0.04 [ (%)]1
1 (2.2%)
1 (2.2%)
1
( + ) − ( + ) [mm]
−8.8 ± 9.5
−5.3 ± 9.9
0.1
( + ) − ( + ) < 15 mm [ (%)]
44 (97.8%)
45 (97.8%)
0.99
+ − [mm]
13.5 ± 11.3
9.2 ± 7.2
0.03
+ − > 6 mm [ (%)]
36 (80%)
37 (80.4%)
0.96
+ [mm]
16.3 ± 9.7
12.8 ± 6.1
0.05
+ > 10.5 [ (%)]
33 (73.3%)
29 (63%)
0.29
peak [mm]
40.5 ± 13.8
38.8 ± 20.6
0.54
peak > 35 msec in baseline1 [ (%)]
21 (65.6%)
21 (61.2%)
0.75
[mm]3
1.48 ± 0.6
1.7 ± 0.8
0.29
> 0,25 mV [ (%)]3
1 (2.6%)
5 (12.2%)
0.11
Qualitative patterns:
qR in [ (%)]
21 (46.7%)
17 (40%)
0.35
(QRS duration > 0.12 sec)
3 (6.7%)
4 (8.7%)
0.72
in I
34 (75.6%)
26 (56.5%)
0.06
in II
12 (26.7%)
8 (17.4%)
0.29
in III
7 (15.6%)
9 (15.6%)
0.62
and
25 (55.6%)
26 (56.5%)
0.93
>
20 (64.5%)
20 (55.6%)
0.46
Negative -wave through
25 (55.6%)
27 (58.7%)
0.76
Calculated for patients who had all required waves present; calculated according to guidelines, only for patients with QRS < 120 msec; and , respectively; calculated only for patients in sinus rhythm; and , respectively.