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  • Title: Out-of-hospital succinylcholine-assisted endotracheal intubation by paramedics.
    Author: Pace SA, Fuller FP.
    Journal: Ann Emerg Med; 2000 Jun; 35(6):568-72. PubMed ID: 10828769.
    Abstract:
    STUDY OBJECTIVE: To describe the effectiveness and safety of succinylcholine administration by paramedics to out-of-hospital patients requiring endotracheal intubation. METHODS: A consecutive case series was collected by retrospective review of patient care records from a large, private ambulance agency serving an urban and rural county of 600,000 residents over a 40-month period. All patients for whom endotracheal intubation was facilitated by succinylcholine use were identified. Data were systematically collected on demographics, paramedic diagnosis, intubation attempts, and complications. RESULTS: Succinylcholine was used in 150 patients with a mean age (+/-SD) of 50+/-23 years. Paramedic diagnosis was coma in 43% (64/150; 95% confidence interval [CI] 35% to 51%), trauma in 26% (39/150; 95% CI 19% to 33%), and respiratory failure in 31% (47/150; 95% CI 23% to 39%). No patient was in cardiac arrest at the time of succinylcholine use. The intubation success rate was 92% (138/150; 95% CI 88% to 96%), with success achieved on the first attempt in 82% of patients (123/150; 95% CI 76% to 88%). Four patients who received succinylcholine developed cardiac arrest, and 3 others had symptomatic bradycardia. CONCLUSION: The use of succinylcholine by paramedics to assist intubation appears to aid in intubation of patients who are not in cardiac arrest. However, significant cardiac complications can occur.
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