Table 1

Baseline characteristics of hypothermia patients

Demographics
 Age, mean (SD)59.7 (14.6)
 Men, n (%)12 (60%)
 Hypertension, n (%)16 (80%)
 Diabetes, n (%)5 (25%)
 Atrial fibrillation, n (%)6 (30%)
Neurological severity
 Pre-NIHSS, mean (SD)19 (16–22)
 ASPECTS, median (IQR)6 (6–7)
Treatment
 Intravenous tPA given, n (%)10 (50%)
 Symptom onset to groin puncture (min), median (IQR)309 (245–400)
 Symptom onset to cooling initiation (min), median (IQR)432 (325–534)
 Cooling initiation to hypothermia (min), mean (SD)*64 (50)
 Duration of cooling (h), mean (SD)*12.1 (2.7)
 Duration of rewarming (h), mean (SD)11.5 (4.8)
Radiographic imaging
 Post-procedural infarct volume cm3, median (IQR)78 (16–107)
 Asymptomatic hemorrhage (HI1/HI2), n (%)2 (10%)
 Symptomatic hemorrhage (PH1/2), n (%)1 (5%)
 HARM status on 36–72 h MRI, n (%)†3 (21%)
Complications
 Pneumonia, n (%)5 (25%)
 Bacteremia, n (%)1 (5%)
 Deep vein thrombosis, n (%)1 (5%)
 Urinary tract infection, n (%)4 (20%)
Disposition status
 NIHSS on discharge, median (SD)‡10 (3–15)
 mRS on discharge, median (SD)4 (3–6)
90-day outcomes
 Good outcome (mRS 0–2), n (%)6 (30%)
 Acceptable outcome (mRS 0–3), n (%)9 (45%)
  • *Two patients did not achieve the target temperature.

  • †MRI was not obtained from six patients.

  • ‡Expired patients were not included in the discharge NIHSS calculation.

  • ASPECTS, Alberta Stroke Program Early CT Score; HARM, hyperintense acute reperfusion marker; mRS, modified Rankin Score; NIHSS, NIH Stroke Scale.