Table 1 Demographic and clinical characteristics of patients treated with and without mild therapeutic hypothermia
Variable | Patients undergoing MTH procedure | Control group | p |
|---|---|---|---|
|  | (n = 32) | (n = 33) |  |
Demographic characteristics | |||
Age [years] | 65.6 ± 19.0 | 62.7 ± 9.8 | ns |
Gender: men/women | 25 (78.1%)/7 (21.9%) | 26 (78.8%)/7 (21.2%) | ns |
Medical history | |||
Concomitant diabetes | 13 (40.6%) | 13 (39.4%) | ns |
Prior stroke | 4 (12.5%) | 3 (9.1%) | ns |
Prior myocardial infarction | 8 (25.0%) | 13 (39.4%) | ns |
Details regarding OHCA | |||
First-recorded cardiac rhythm | Â | Â | ns |
  Ventricular fibrillation or pulseless ventricular tachycardia | 26 (81.3%) | 26 (78.8%) | |
  Asystole | 5 (15.6%) | 6 (18.2%) | |
  Pulseless electrical activity | 1 (3.1%) | 1 (3.0%) | |
Initiation of cardiopulmonary resuscitation by bystanders | 12 (37.5%) | 10 (30.3%) | ns |
Time between OHCA and ROSC [minutes] | 30.0 (25.0-56.0) | 23.0 (18.0-37.0) | ns |
Duration of cardiopulmonary resuscitation [minutes] | 25.0 (15.0-51.0) | 20.0 (11.0-45.0) | ns |
Patient status on admission and in-hospital management | |||
Glasgow Coma Score on hospital admission | Â | Â | ns |
  3-4 points | 22 (68.8%) | 18 (54.6%) | |
  5-6 points | 7 (21.9%) | 11 (33.3%) | |
  7-8 points | 3 (9.3%) | 4 (12.1%) | |
Arterial pH on hospital admission | 7.26 (7.20-7.33) | 7.30 (7.16-7.36) | ns |
Shock on hospital admission | 15 (46.9%) | 14 (42.4%) | ns |
LVEF on hospital admission [%] | 35.0 (30.0-45.0) | 30.0 (25.0-40.0) | ns |
Underlying cause of OHCA |  |  | p < 0.04 |
  STEMI | 24 (75.0%) | 22 (66.7%) | |
  NST-ACS | 2 (6.2%) | 9 (27.3%) | |
  Other | 6 (18.8%) | 2 (6.0%) | |
Presence of coronary artery disease | Â | Â | ns |
  single-vessel | 7 (21.9%) | 11 (33.3%) | |
  multi-vessel | 17 (53.1%) | 20 (60.6%) | |
  lack of significant coronary lesions | 8 (25.0%) | 2 (6.1%) | |
Treatment with PCI | 24 (75.0%) | 27 (81.8%) | ns |
Use of intra-aortic balloon counterpulsation | 4 (12.5%) | 9 (27.3%) | ns |