Table 1 Baseline characteristics
From: Transient left atrial dysfunction is a feature of Takotsubo syndrome
Variable | TTS (n = 125) | Anterior STEMI (n = 125) | p |
|---|---|---|---|
Age (years) | 72 (61–78) | 62 (51–72) | <0.01 |
Female sex | 115/125 (92) | 36/125 (29) | <0.01 |
Cardiovascular risk factors | |||
Hypertension | 104/125 (83) | 88/125 (70) | 0.02 |
Diabetes mellitus | 31/125 (25) | 28/125 (22) | 0.66 |
Hypercholesterolemia | 26/125 (21) | 40/125 (32) | 0.06 |
Current smoking | 20/125 (16) | 46/109 (42) | <0.01 |
Killip-class 3 or 4 on admission | 6/125 (5) | 4/125 (3) | 0.52 |
Stressful event | 84/125 (67) | - | |
Emotional | 32/125 (26) | - | |
Physical | 52/125 (42) | - | |
Ballooning pattern | |||
Apical | 83/125 (66) | - | |
Midventricular | 40/125 (32) | - | |
Basal | 2/125 (2) | - | |
Number of diseased vessels | |||
1 | - | 75/125 (60) | |
2 | - | 37/125 (30) | |
3 | - | 13/125 (10) | |
TIMI flow grade 0 or 1 before PCI | - | 77/125 (62) | |
TIMI flow grade 0 or 1 after PCI | - | 5/125 (4) | |
Door-to-balloon time (minutes) | - | 27 (21–33) | |
Pain-to-balloon time (minutes) | - | 220 (130–350) | |
Initial LV ejection fraction (%) | 47 (40–52) | 50 (40–55) | 0.18 |
Follow-up LV ejection fraction (%)a | 60 (57–66) | - | |