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Out-of-Hospital Cardiac Arrest: First Documented Experience in a Mexican Urban Setting

Published online by Cambridge University Press:  28 June 2012

Juan Manuel Fraga-Sastrías ,
Enrique Asensio-Lafuente ,
Ricardo Martínez ,
Iris A. Bárcenas ,
Julio Prieto-Sagredo ,
Lilia Castillo  and
Luis Mauricio Pinet-Peralta
Juan Manuel Fraga-Sastrías*
Affiliation:
Academia Mexicana de Medicina Prehospitalaria, Queretaro, Mexico Universidad del Valle de Mexico, Campus Querétaro, Querétaro, Mexico
Enrique Asensio-Lafuente
Affiliation:
Academia Mexicana de Medicina Prehospitalaria, Queretaro, Mexico Universidad del Valle de Mexico, Campus Querétaro, Querétaro, Mexico
Ricardo Martínez
Affiliation:
Universidad del Valle de Mexico, Campus Querétaro, Querétaro, Mexico
Iris A. Bárcenas
Affiliation:
Universidad del Valle de Mexico, Campus Querétaro, Querétaro, Mexico
Julio Prieto-Sagredo
Affiliation:
Academia Mexicana de Medicina Prehospitalaria, Queretaro, Mexico Neurofisiología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, Mexico
Lilia Castillo
Affiliation:
Asociación Mexicana Para la Prevención de la Insuficiencia Cardiaca (AMEPPIC), Mexico City, Mexico
Luis Mauricio Pinet-Peralta
Affiliation:
Academia Mexicana de Medicina Prehospitalaria, Queretaro, Mexico
*
Unidad de SimulaciónUniversidad del Valle de México, Campus Querétaro. Paseo Jurica 105-25PBJurica-Querétaro 76100. México E-mail:[email protected]
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Abstract

Objective:

Out-of-hospital cardiac arrest is one of the leading causes of death in Mexico, but many survival and prognostic factors are unknown. The aim of this study was to assess out-of-hospital cardiac arrest in a Mexican city.

Methods:

This was a prospective, cohort study that evaluated the records of the major ambulance services in the city of Queretaro, Mexico. Means, standard deviation, and percentages for the categorical variables were obtained. Logistic regression was performed to determine the effects between interventions, times, and return of spontaneous circulation (ROSC).

Results:

For an 11-month period, 148 out-of-hospital cardiac arrest cases were recorded. The mean age of the victims was 54 ±22.6 years and 90 (65.3%) were males. Forty-nine cases were related to cardiac disease, 46 to other disease, 27 to trauma, 18 to terminal illnesses, and three to drowning. Twelve (8.6%) patients had a pulse upon hospital arrival, but none survived to discharge. No victims were defibrillated prior to ambulance arrival. The collapse-assessment interval was 22.5 ±19:1 minutes, the mean value for the ambulance response times was 13:6 ±10:4 minutes. Basic emergency medical technicians applied chest compressions to 40 victims (27.2%), controlled the airway in 32 (21.8%), and defibrillated seven (4.8%). Chest compressions and airway control showed an OR of 8 and 12 respectively for ROSC.

Conclusions:

The poor survival rate in this study emphasizes the need to improve efforts in provider training and public education. Authorities must promote actions to enhance prehospital emergency services capabilities, shorten response times, and provide community education to increase the chances of survival for out-of-hospital cardiac arrest victims in Mexico.

Keywords

cardiac arrestout-of-hospitalMexicourban settings
Type
Original Research
Information
Prehospital and Disaster Medicine , Volume 24 , Issue 2 , April 2009 , pp. 121 - 125
Copyright
Copyright © World Association for Disaster and Emergency Medicine 2009

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