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Physiological Response of Quality Cardiopulmonary Resuscitation, Crossover Trial on Mannequin in Extreme Temperature Conditions

Background: To determine the relationship between physiological fatigue and the quality of cardiopulmonary resuscitation (CPR) in trained resuscitators in hostile thermal environments (extreme cold and heat) simulating the different conditions found in an out-of-hospital cardiorespiratory arrest. Me...

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Autores principales: Martin-Conty, José Luis, Polonio-López, Begoña, Maestre-Miquel, Clara, Mohedano-Moriano, Alicia, Durantez-Fernández, Carlos, Mordillo-Mateos, Laura, Jurado-Palomo, Jesús, Viñuela, Antonio, Bernal-Jiménez, Juan José, Martin-Rodríguez, Francisco
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7460077/
https://www.ncbi.nlm.nih.gov/pubmed/32806606
http://dx.doi.org/10.3390/ijerph17165835
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author Martin-Conty, José Luis
Polonio-López, Begoña
Maestre-Miquel, Clara
Mohedano-Moriano, Alicia
Durantez-Fernández, Carlos
Mordillo-Mateos, Laura
Jurado-Palomo, Jesús
Viñuela, Antonio
Bernal-Jiménez, Juan José
Martin-Rodríguez, Francisco
author_facet Martin-Conty, José Luis
Polonio-López, Begoña
Maestre-Miquel, Clara
Mohedano-Moriano, Alicia
Durantez-Fernández, Carlos
Mordillo-Mateos, Laura
Jurado-Palomo, Jesús
Viñuela, Antonio
Bernal-Jiménez, Juan José
Martin-Rodríguez, Francisco
author_sort Martin-Conty, José Luis
collection PubMed
description Background: To determine the relationship between physiological fatigue and the quality of cardiopulmonary resuscitation (CPR) in trained resuscitators in hostile thermal environments (extreme cold and heat) simulating the different conditions found in an out-of-hospital cardiorespiratory arrest. Methods: Prospective observational study involving 60 students of the health sciences with training in resuscitation, who simulated CPR on a mannequin for 10 min in different thermal environments: thermo-neutral environment (21 °C and 60% humidity), heat environment (41 °C and 98% humidity) and cold environment (−35 °C and 80% humidity). Physiological parameters (heart rate and lactic acid) and CPR quality were monitored. Results: We detected a significant increase in the number of compressions per minute in the “heat environment” group after three minutes and in the mean rate after one minute. We observed a negative correlation between the total number of compressions and mean rate with respect to mean depth. The fraction of compressions (proportion of time in which chest compressions are carried out) was significant over time and the mean rate was higher in the “heat environment”. Physiological parameters revealed no differences in heart rate depending on the resuscitation scenario; however, there was a greater and faster increase in lactate in the “heat environment” (significant at minute 3). The total proportion of participants reaching metabolic fatigue was also higher in the “heat environment”. Conclusions: A warm climate modifies metabolic parameters, reducing the quality of the CPR maneuver.
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spelling pubmed-74600772020-09-02 Physiological Response of Quality Cardiopulmonary Resuscitation, Crossover Trial on Mannequin in Extreme Temperature Conditions Martin-Conty, José Luis Polonio-López, Begoña Maestre-Miquel, Clara Mohedano-Moriano, Alicia Durantez-Fernández, Carlos Mordillo-Mateos, Laura Jurado-Palomo, Jesús Viñuela, Antonio Bernal-Jiménez, Juan José Martin-Rodríguez, Francisco Int J Environ Res Public Health Article Background: To determine the relationship between physiological fatigue and the quality of cardiopulmonary resuscitation (CPR) in trained resuscitators in hostile thermal environments (extreme cold and heat) simulating the different conditions found in an out-of-hospital cardiorespiratory arrest. Methods: Prospective observational study involving 60 students of the health sciences with training in resuscitation, who simulated CPR on a mannequin for 10 min in different thermal environments: thermo-neutral environment (21 °C and 60% humidity), heat environment (41 °C and 98% humidity) and cold environment (−35 °C and 80% humidity). Physiological parameters (heart rate and lactic acid) and CPR quality were monitored. Results: We detected a significant increase in the number of compressions per minute in the “heat environment” group after three minutes and in the mean rate after one minute. We observed a negative correlation between the total number of compressions and mean rate with respect to mean depth. The fraction of compressions (proportion of time in which chest compressions are carried out) was significant over time and the mean rate was higher in the “heat environment”. Physiological parameters revealed no differences in heart rate depending on the resuscitation scenario; however, there was a greater and faster increase in lactate in the “heat environment” (significant at minute 3). The total proportion of participants reaching metabolic fatigue was also higher in the “heat environment”. Conclusions: A warm climate modifies metabolic parameters, reducing the quality of the CPR maneuver. MDPI 2020-08-12 2020-08 /pmc/articles/PMC7460077/ /pubmed/32806606 http://dx.doi.org/10.3390/ijerph17165835 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Martin-Conty, José Luis
Polonio-López, Begoña
Maestre-Miquel, Clara
Mohedano-Moriano, Alicia
Durantez-Fernández, Carlos
Mordillo-Mateos, Laura
Jurado-Palomo, Jesús
Viñuela, Antonio
Bernal-Jiménez, Juan José
Martin-Rodríguez, Francisco
Physiological Response of Quality Cardiopulmonary Resuscitation, Crossover Trial on Mannequin in Extreme Temperature Conditions
title Physiological Response of Quality Cardiopulmonary Resuscitation, Crossover Trial on Mannequin in Extreme Temperature Conditions
title_full Physiological Response of Quality Cardiopulmonary Resuscitation, Crossover Trial on Mannequin in Extreme Temperature Conditions
title_fullStr Physiological Response of Quality Cardiopulmonary Resuscitation, Crossover Trial on Mannequin in Extreme Temperature Conditions
title_full_unstemmed Physiological Response of Quality Cardiopulmonary Resuscitation, Crossover Trial on Mannequin in Extreme Temperature Conditions
title_short Physiological Response of Quality Cardiopulmonary Resuscitation, Crossover Trial on Mannequin in Extreme Temperature Conditions
title_sort physiological response of quality cardiopulmonary resuscitation, crossover trial on mannequin in extreme temperature conditions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7460077/
https://www.ncbi.nlm.nih.gov/pubmed/32806606
http://dx.doi.org/10.3390/ijerph17165835
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