Forced air warming to maintain normoTHERMIa during SEDation in the cardiac catheterisation laboratory: Protocol for the THERMISED pilot randomised controlled trial
Conway, Aaron & Duff, Jed (2016) Forced air warming to maintain normoTHERMIa during SEDation in the cardiac catheterisation laboratory: Protocol for the THERMISED pilot randomised controlled trial. Journal Of Advanced Nursing, 72(10), pp. 2547-2557.
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- To determine whether applying forced air warming attenuates the impact of sedation-induced impairment of thermoregulation on body temperature of patients who are sedated during interventional procedures in the cardiac catheterisation laboratory.
- A moderate proportion of sedated patients who undergo procedures in the cardiac catheterisation laboratory with only passive warming become hypothermic. Hypothermia in the surgical population is associated with increased risk of adverse cardiac events, infections, thrombotic and haemorrhagic complications and prolonged hospital stay. For this reason, investigation of the clinical benefits of preventing hypothermia in sedated patients using active warming is required.
- Randomised controlled trial.
- 140 participants undergoing elective interventional procedures with sedation in a cardiac catheterisation laboratory will be recruited from two hospitals in Australia. Participants will be randomised to receive forced air warming (active warming) or usual care (passive warming with heated cotton blankets) throughout procedures. The primary outcome is hypothermia (defined as temperature less than 36°C) at the conclusion of the procedure. Secondary outcomes are post procedure temperature, post-procedural shivering, thermal discomfort, major complications, disability-free survival to 30 days post-procedure, cost-effectiveness and feasibility of conducting a larger clinical trial.
- The results from this study will provide high-level evidence for practice in an area where there is currently no guidance. Findings will be easily translatable into clinical practice because most hospitals already have forced air warming equipment available for use during general anaesthesia.
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