Table 1.
Tsuchihashi et al[15] | Núñez et al[14] | Kurowski et al[13] | Eshtehardi et al[16] | Parodi et al[11] | Ahmed et al[17] | Templin et al[18] | |
Country | Japan | Spain | Germany | Swiss | Italy | United States | Europe and United States |
Year of publication | 2001 | 2015 | 2007 | 2009 | 2007 | 2013 | 2015 |
Subjects, n | 88 | 202 | 35 | 41 | 36 | 620 (systematic review) | 1750 (international registry) |
Age (yr) | 67 ± 13 | 70 ± 12.5 | 72 ± 9 | 65 ± 11 | 75 ± 7 | 67 | 66.8 ± 13 |
In percentage (%) | |||||||
Reported incidence1 | --- | 1.2 | 1.2 | 1.7 | 2 | --- | --- |
Women | 86 | 90 | 94 | 85 | 1006 | 91 | 89.8 |
Hypertension | 48 | 67 | 74 | 56 | 50 | --- | 65 |
Diabetes | 12 | 15 | 23 | 5 | 5.5 | --- | 14 |
Hyperlipidemia | 24 | 41 | 34 | 39 | 39 | --- | 31 |
Current smoking | --- | 15 | 20 | 27 | 19 | --- | 20 |
Apical type | 1003 | --- | 60 | --- | --- | --- | 81.7 |
Emotional/psychological trigger | 20 | 50 | 43 | 46 | --- | 41 | 27.7 |
Physical (acute diseases, exercise, surgery and medical procedures) trigger | 53 | 20 | 43 | 17 | --- | 45 | 36 |
No identified triggering factor | 26 | 27 | 14 | 37 | 28 | 14 | 28.5 |
Chest pain | 67 | 80 | --- | 76 | 1002 | 54 | 76 |
Dyspnea | 7 | 45 | --- | 24 | --- | 26 | 47 |
Syncope | --- | 9 | --- | --- | --- | --- | 7.7 |
ST segment elevation | 90 | 62 | 69 | 39 | 1002 | 39 | 43.7 |
T wave inversion | 97 | 94.4 | --- | 46 | --- | 31 | 415 |
In hospital mortality | 1 | 2.44 | 9 | 0 | --- | 4 | 4.1 |
Long term mortality from all causes | --- | --- | 8.6 (at 12 mo) | 2 (23 ± 10 mo) | 3 (at 6 mo) | --- | 5.6 (per patient-year) |
Recurrences | 2.7 | 0 | 6 | 5 | --- | --- | 1.8 (per patient-year) |
Incidence is based on patients with acute coronary syndrome;
This case series included only patients with chest pain and ST segment elevation;
Included only the typical form (apical ballooning);
All from noncardiac causes;
On admission;
Only included women.