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CT Imaging Before Extracorporeal Cardiopulmonary Resuscitation in Hypothermic Cardiac Arrest With Trauma
Kenshiro Wada1,2, Ryuichiro Kakizaki2, Yasuhiro Horio2
1Department of Emergency Medicine, Obihiro Kosei General Hospital, Obihiro, JPN.
Insights
Computed tomography (CT) scans before extracorporeal cardiopulmonary resuscitation (ECPR) help select patients with hypothermic cardiac arrest and trauma. This imaging can guide interventions for better neurological outcomes.
Area of Science:
- Emergency Medicine
- Trauma Surgery
- Cardiology
Background:
- Hypothermic cardiac arrest (HCA) combined with trauma poses complex management challenges.
- Extracorporeal cardiopulmonary resuscitation (ECPR) is a critical intervention for HCA.
- The role of pre-ECPR imaging in selecting appropriate patients with HCA and trauma requires further elucidation.
Observation:
- Computed tomography (CT) imaging was utilized before initiating ECPR in two distinct cases of HCA with hypothermia and trauma.
- Case 1: A 74-year-old male with HCA, severe hypothermia (25.0°C), and suspected trauma underwent CT, revealing minor brain injuries and femoral fractures. Post-ECPR, he achieved full neurological recovery.
- Case 2: A 32-year-old female with HCA, profound hypothermia (17.4°C), and trauma underwent CT, showing no significant injuries. Despite prolonged resuscitation, she also had a complete neurological recovery.
Findings:
- CT imaging prior to ECPR effectively ruled out pre-existing cardiac arrest conditions and significant hemorrhagic complications in these hypothermic patients.
- Reduced cerebral metabolism in hypothermia may permit extended resuscitation times, as suggested by successful outcomes in these cases.
- The findings suggest that CT imaging is a valuable tool for patient selection and guiding intervention in HCA with concomitant trauma.
Implications:
- CT imaging before ECPR can optimize patient selection for HCA with hypothermia and trauma, potentially improving survival and neurological outcomes.
- This approach aids clinicians in making informed decisions regarding the initiation and duration of ECPR in complex resuscitation scenarios.
- Further research into the utility of pre-ECPR CT in HCA with trauma could refine resuscitation protocols and enhance patient care.
Abstract:
Hypothermic cardiac arrest (HCA) with concomitant trauma presents a significant clinical management challenge. In these case reports, computed tomography (CT) imaging was performed before extracorporeal cardiopulmonary resuscitation (ECPR) in patients with cardiac arrest, accidental hypothermia, and trauma. The first case involved a 74-year-old male who collapsed outside his home under freezing conditions. Upon arrival at the emergency department (ED), he was in cardiac arrest with a core body temperature of 25.0°C and suspected head trauma. CT imaging revealed minor traumatic brain injuries and bilateral femoral fractures. ECPR was initiated after CT imaging, which led to successful rewarming and full neurological recovery. The second case describes a 32-year-old female who jumped from a bridge, experienced cardiac arrest during the rescue, and had a core temperature of 17.4°C. CT imaging before ECPR revealed no significant trauma. Despite prolonged resuscitation, the patient showed a complete neurological recovery. CT imaging before ECPR allows appropriate patient selection by ruling out cardiac arrest before hypothermia and major hemorrhagic complications. Hypothermic cardiac arrest may be acceptable for prolonged resuscitation time on CT imaging owing to reduced cerebral metabolism. These rare case reports demonstrate the potential benefits of CT imaging before ECPR in the management of hypothermic cardiac arrest with trauma and aid in appropriate candidate selection and effective intervention without compromising neurological outcomes.
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