Overview
Cardiac arrest during surgery, also known as intraoperative cardiac arrest, is a life-threatening emergency characterized by the cessation of cardiac mechanical activity requiring immediate resuscitation efforts to restore circulation and prevent neurological damage 1.Diagnosis
Rapid identification through monitoring vital signs and ECG changes 1.
Confirmation with clinical assessment and immediate initiation of resuscitation protocols 1.Management
First-line treatments:
- Cardiopulmonary resuscitation (CPR) with chest compressions and assisted ventilation 1.
- Defibrillation if ventricular fibrillation or pulseless ventricular tachycardia is present 1.
Adjunctive treatments:
- Administration of epinephrine (initial dose 1-3 mg IV, repeated every 3-5 minutes) 1.
- Consideration of advanced airway management and securing the airway 1.
- Use of extracorporeal membrane oxygenation (ECMO) in refractory cases 1.Special Populations
Pregnancy: Specific considerations for maternal and fetal well-being; tailored resuscitation approaches may be necessary 1.
Pediatrics: Age-appropriate CPR techniques and dosing adjustments for medications like epinephrine (initial dose 0.01-0.1 mg/kg IV) 1.
Elderly: Focus on minimizing secondary brain injury; cautious use of vasopressors to avoid hypertension 1.
Comorbidities: Tailored management based on underlying conditions; careful monitoring for complications related to pre-existing diseases 1.Key Recommendations
Implement immediate and coordinated CPR with chest compressions and assisted ventilation upon recognition of cardiac arrest 1 (Evidence: Strong).
Administer epinephrine as the primary vasopressor during resuscitation, with repeated doses every 3-5 minutes 1 (Evidence: Strong).
Secure the airway promptly and consider advanced airway interventions as needed to ensure adequate ventilation 1 (Evidence: Moderate).
Use ECMO in cases refractory to conventional resuscitation efforts to support circulation 1 (Evidence: Weak).
Adapt resuscitation strategies based on patient-specific factors such as age and comorbidities 1 (Evidence: Expert opinion).References
1 Mai CL, Wongsirimeteekul P, Petrusa E, Minehart R, Hemingway M, Pian-Smith M et al.. Prevention and Management of Operating Room Fire: An Interprofessional Operating Room Team Simulation Case. MedEdPORTAL : the journal of teaching and learning resources 2020. link