OBJECTIVE:Hypothermia in trauma victims is a frequently observed phenomenon in acute care. Known complications of hypothermia are impaired wound healing, cardiac complications, hemodynamic instability, impaired immune function and increased blood loss. We compared active warming versus passive warming in hypothermia in critical-care patients undergoing intrahospital transfer from ICU to computer tomography (CT). METHODS:Thirty critically ill patients were randomized either to an actively warmed group, covered with a carbon-fiber heating blanket (set to 42 degrees C) during the entire transport including the time spent in the CT, or to a passively warmed group, covered with a carbon-fiber heating blanket (switched off) during the entire transport and in the CT. The carbon-fiber blanket was covered with a conventional wool blanket in both groups. Vital parameters and core temperatures were recorded. RESULTS: Patients' characteristics and vital parameters were similar in each treatment group. Initial average core temperature in group A was 36.4 degrees C +/- 0.2 degrees C and remained stable at 36.4 degrees C +/- 0.1 degrees C; core temperature in group B started at 36.4 degrees C +/- 0.2 degrees C but decreased to 34.7 degrees C +/- 0.6 degrees C. CONCLUSIONS:Hypothermia is common when critically ill trauma patients require intrahospital transport for diagnostic procedures. Resistive heating during intrahospital transport kept the core temperature stable and assured normothermia in all actively warmed patients. We therefore recommend active warming for critically ill trauma patients during intrahospital transport.
RCT Entities:
OBJECTIVE:Hypothermia in trauma victims is a frequently observed phenomenon in acute care. Known complications of hypothermia are impaired wound healing, cardiac complications, hemodynamic instability, impaired immune function and increased blood loss. We compared active warming versus passive warming in hypothermia in critical-care patients undergoing intrahospital transfer from ICU to computer tomography (CT). METHODS: Thirty critically ill patients were randomized either to an actively warmed group, covered with a carbon-fiber heating blanket (set to 42 degrees C) during the entire transport including the time spent in the CT, or to a passively warmed group, covered with a carbon-fiber heating blanket (switched off) during the entire transport and in the CT. The carbon-fiber blanket was covered with a conventional wool blanket in both groups. Vital parameters and core temperatures were recorded. RESULTS:Patients' characteristics and vital parameters were similar in each treatment group. Initial average core temperature in group A was 36.4 degrees C +/- 0.2 degrees C and remained stable at 36.4 degrees C +/- 0.1 degrees C; core temperature in group B started at 36.4 degrees C +/- 0.2 degrees C but decreased to 34.7 degrees C +/- 0.6 degrees C. CONCLUSIONS:Hypothermia is common when critically ill traumapatients require intrahospital transport for diagnostic procedures. Resistive heating during intrahospital transport kept the core temperature stable and assured normothermia in all actively warmed patients. We therefore recommend active warming for critically ill traumapatients during intrahospital transport.
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