Chūdoku kenkyū : Chūdoku Kenkyūkai jun kikanshi = The Japanese journal of toxicology
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We experienced 20 cases of out-of-hospital cardiac arrest (OHCA) caused by acute intoxication between April 1999 and March 2008. The causative agents were organophosphates in 8 cases, carbon monoxide in 5 cases, and barbiturates in 3 cases. Other agents were paraquat, tricyclic anti-depressants, lime sulfur, and amphetamine. ⋯ All the survivors were victims of organophosphate or barbiturate intoxication. It is assumed that these agents caused myocardial depression or respiratory insufficiency following cardiac arrest. From the review of the OHCA caused by organophosphate or barbiturate intoxication, cardiopulmonary resuscitation alone seemed to be effective for restoration of spontaneous circulation and should be emphasized in the prehospital care setting as well as in cardiogenic OHCA.