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KMID : 0385920180290060578
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Journal of the Korean Society of Emergency Medicine
2018 Volume.29 No. 6 p.578 ~ p.584
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Association between prehospital i-gel insertion and PCO2 in patients with out-of-hospital cardiac arrest
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Cho Eun-Som
Cho Eun-Hye
Kim Hyuk-Hoon
Choi Sang-Cheon
Min Young-Gi
Kang So-Young
Chae Min-Jung Kathy
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Abstract
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Objective: This study examined the initial partial pressure of carbon dioxide (PCO2) as a possible indicator of prehospital ventilation and its association with prehospital i-gel in out-of-hospital cardiac arrest (OHCA) patients.
Method: The demographics and arrest parameters, including i-gel insertion and initial arterial blood gas analysis, of OHCA patients who visited the emergency department were analyzed retrospectively. Linear regression analysis was performed to examine the association between i-gel insertion and the initial PCO2.
Results: A total of 106 patients were investigated. Fifty-six patients had prehospital i-gel insertion and 50 patients did not have a prehospital advanced airway. The initial PCO2 was higher in the i-gel group than the no advanced airway group (105.2 mmHg [77.5-134.9] vs. 87.5 mmHg [56.8-115.3], P=0.03). Prehospital i-gel insertion was associated with a higher initial PCO2 level (βcoefficient, 20.3; 95% confidence interval, 2.6-37.9; P=0.03).
Conclusion: Prehospital insertion of i-gel was associated with higher initial PCO2 values in OHCA patients compared to no advanced airway.
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KEYWORD
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Airway management, Emergency medical services, Heart arrest, Cardiopulmonary resuscitation
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