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Table 2 Prognostic factors

From: Heat stroke

Study Country Patients Number of patients Outcomes Factors
Hausfater et al. [34] France Nonexertional heatstroke (core body temperature > 38.5 °C) 1456 1-year mortality Previous treatment with diuretics, living in an institution, age > 80 years, presence of cardiac disease or cancer, core body temperature > 40 °C, SBP < 100 mmHg, GCS score < 12, and transportation to hospital in ambulance
Argaud et al. [2] France Nonexertional heatstroke (core body temperature > 40 °C) 83 2-year mortality Living at an institution, the use of long-term antihypertensive medication, presence of anuria, coma, or cardiovascular failure at admission
Misset et al. [15] France Heat stroke in Bouchama’s definition 345 Hospital death At home or in a healthcare facility (vs. in a public location), high SAPS II score, initial high body temperature, prolonged prothrombin time and the use of vasoactive drugs within the first day in ICU, and patient management in an ICU without air conditioning
Tsuruta et al. [16] Japan Mechanically ventilated heat-related illness in JAAM-HS criteria 77 Poor outcome (death and incidence of sequelae) SBP, SpO2 at scene, and arterial base excess
Hifumi et al. [22] Japan Heat stroke in JAAM-HS-WG criteria 705 Hospital death SBP, GCS score, serum creatinine levels, and presence of DIC
  1. JAAM-HS-WG Japanese Association of Acute Medicine heat stroke committee working group, SBP systolic blood pressure, GCS Glasgow Coma Scale, SAPS II Simplified Acute Physiology Score II score, DIC disseminated intravascular coagulation, ICU intensive care unit