Table 1 Patient characteristics and descriptive statistics
From: Global longitudinal strain correlates to systemic right ventricular function
After atrial switch operation | ccTGA | Total | |
|---|---|---|---|
Patients (n) | 7 | 4 | 11 |
Male/Female (n) | 7/0 | 2/2 | 9/2 |
Age (years) | 30 (13-37) | 35 (25-67) | 32 (13-67) |
History of clinical arrhythmia (%) | 86 | 50 | 73 |
Moderate TR (n) | 2 | 0 | 1 |
VSD-closure (n) | 0 | 0 | 0 |
NYHA class (n) | |||
I | 5 | 2 | 7 |
II | 2 | 1 | 3 |
III | 0 | 0 | 0 |
IV | 0 | 0 | 0 |
CMR-RVEF (%) | 44 (32-60) | 48 (23- 59) | 44(23 – 60) |
Echocardiographic parameters | |||
GLS (%) | -12.4 (-19.1- -11.0) | -14.6 (-23.8- -7.8) | -13.6 (-23.8 - -7.8) |
TAPSE (mm) | 17.0 (12.5-18.0) | 15.6 (14.3- 16.9) | 16.9 (12.5- 18.0) |
AP4 (%) | 14.3 (11.3-18.3) | 15.5 (7.8-19.3) | 14.6 (7.8-19.3) |
FAC (%) | 0.22 (0.18- 0.37) | 0.24 (0.21-0.28) | 0.22 (0.18 – 0.37) |
SAX (%) LVEF (%) | 8.0 (3.5-15.8) 41 (34-47) | 19.8 40 (27-40) | 11.0 (3.5- 19.8) 40.5 (27-47) |
NT-pro BNP (ng/L) | 231 (75-1349) | 1591 (250-3537) | 382 (75-2537) |
Exercise stress test | |||
Max. heart rate (bpm) | 162 (109-176) | 179 (163-184) | 170 (109-184) |
Max. SBP (mmHg) | 170 (125-195) | 170 (120-170) | 170 (120-195) |
Max. working capacity (W) | 170 (105-225) | 210 (106-218) | 180 (105-225) |
Expected max. working capacity (%) | 66 (43-89) | 87 (86-87) | 71 (43-89) |