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      Calidad de las compresiones torácicas en resucitación cardiopulmonar practicada en condiciones extremas de temperatura ambiental Translated title: Quality of chest compressions in cardiopulmonary resuscitation performed in extreme ambient temperature conditions

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          Abstract

          RESUMEN: En la atención del equipo de profesionales de la salud en una parada cardiorrespiratoria extrahospitalaria (PCREH), se pueden encontrar en condiciones extremas de temperatura ambiental, según la zona donde se encuentren, la época del año, e incluso la franja horaria. Objetivo: El objetivo de este trabajo fue comprobar si la eficacia de la Reanimación Cardiopulmonar (RCP) se veía afectada en ambientes de temperatura calor (40ºC) y frío (0ºC) extremos, en comparación con una RCP en temperatura ambiental (22ºC). Método: Se realizaron 2 minutos de compresiones torácicas (CT) ininterrumpidas en las condiciones de temperatura de 40ºC, 0ºC y 22ºC, en un maniquí realista Resusci Anne QCPR con SIMPAD. Resultados: 30 participantes, tanto con formación previa en RCP (86,7%) o sin ella (13,3%), formaron parte de la muestra, 26 mujeres (86,7%) y 4 hombres (13,3%), con una media de edad de 27,37±8,88 años. No se encontraron diferencias estadísticamente significativas en la eficacia de la RCP; pero sí que hubo diferencias entre el número total de CT (p=0,042), la profundidad media de las CT (p=0,015) y en la frecuencia media (p=0,034). La escala de Borg de esfuerzo percibido (RPE) mostró una media de 4,4±1,303 a 22ºC, 4,97±1,402 a 40ºC y 4,87±2,08 a 0ºC (p>0,05). No hubo diferencias significativas en el lactato capilar. Conclusiones: Se concluye que no existen diferencias significativas entre las tres condiciones, aunque parece que la temperatura ambiental y la fría se asemejan en los resultados y la temperatura calor ofrece una ligera desventaja al respecto.

          Translated abstract

          ABSTRACT: Under the care of a team of health professionals in an out-of-hospital cardiorespiratory arrest (PCREH), they can be found in conditions in extreme conditions of ambient temperature, depending on the area where they are located, the time of the year, and even the time of day. Objective The objective of this study was to verify whether the efficacy of Cardiopulmonary Resuscitation (CPR) was affected by extreme heat (40ºC) and cold (0ºC) temperature environments, compared to a CPR in ambient temperature (22ºC). Method 2 minutes of uninterrupted external chest compressions (ECC) were performed under ambient temperature conditions of 40ºC, 0ºC and 22ºC, in a realistic mannequin Resusci Anne QCPR with SIMPAD. Results 30 participants, both people with prior training in CPR (86.7%) and without it (13.3%), were part of the sample, 26 women (86.7%) and 4 men (13.3%), with a mean age of 27.37 ± 8.88 years. No statistically significant differences were found in the efficacy of CPR; but there were differences between the total number of CT (p = 0.042), the average depth of the ECC (p = 0.015) and the average frequency (p = 0.034). The Borg scale of perceived exertion (RPE) showed an average of 4.4 ± 1.303 at 22° C, 4.97 ± 1.402 at 40° C and 4.87 ± 2.08 at 0° C (p> 0.05). There were no significant differences in hair lactate. Conclusions It is concluded that there are no significant differences between the three conditions, although it seems that the cold and room temperatures resemble results and that the heat temperature offers a slight disadvantage of the others.

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          Most cited references14

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          Temperature and neuromuscular function.

          This review focuses on the effects of different environmental temperatures on the neuromuscular system. During short duration exercise, performance improves from 2% to 5% with a 1 °C increase in muscle temperature. However, if central temperature increases (i.e., hyperthermia), this positive relation ceases and performance becomes impaired. Performance impairments in both cold and hot environment are related to a modification in neural drive due to protective adaptations, central and peripheral failures. This review highlights, to some extent, the different effects of hot and cold environments on the supraspinal, spinal and peripheral components of the neural drive involved in the up- and down-regulation of neuromuscular function and shows that temperature also affects the neural drive transmission to the muscle and the excitation-contraction coupling. © 2010 John Wiley & Sons A/S.
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            Low compliance with the 2 minutes of uninterrupted chest compressions recommended in the 2010 International Resuscitation Guidelines

            We aimed to analyze compliance with 2010 European guidelines' quality criteria for external chest compressions (ECC) during 2 minutes of uninterrupted cardiopulmonary resuscitation.
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              Quality of continuous chest compressions performed for one or two minutes

              OBJECTIVES: This study was designed to assess cardiopulmonary resuscitation quality and rescuer fatigue when rescuers perform one or two minutes of continuous chest compressions. METHODS: This prospective crossover study included 148 lay rescuers who were continuously trained in a cardiopulmonary resuscitation course. The subjects underwent a 120-min training program comprising continuous chest compressions. After the course, half of the volunteers performed one minute of continuous chest compressions, and the others performed two minutes, both on a manikin model. After 30 minutes, the volunteers who had previously performed one minute now performed two minutes on the same manikin and vice versa. RESULTS: A comparison of continuous chest compressions performed for one and two minutes, respectively, showed that there were significant differences in the average rate of compressions per minute (121 vs. 124), the percentage of compressions of appropriate depth (76% vs. 54%), the average depth (53 vs. 47 mm), and the number of compressions with no errors (62 vs. 47%). No parameters were significantly different when comparing participants who performed regular physical activity with those who did not and participants who had a normal body mass index with overweight/obese participants. CONCLUSION: The quality of continuous chest compressions by lay rescuers is superior when it is performed for one minute rather than for two minutes, independent of the body mass index or regular physical activity, even if they are continuously trained in cardiopulmonary resuscitation. It is beneficial to rotate rescuers every minute when performing continuous chest compressions to provide higher quality and to achieve greater success in assisting a victim of cardiac arrest.
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                Author and article information

                Journal
                eg
                Enfermería Global
                Enferm. glob.
                Universidad de Murcia (Murcia, Murcia, Spain )
                1695-6141
                2020
                : 19
                : 60
                : 46-63
                Affiliations
                [1] orgnameUniversidad Católica San Antonio de Murcia Spain marisa.fernandez.gon@ 123456gmail.com
                [2] Castellón orgnameHospital Comarcal de Vinaroz España
                Article
                S1695-61412020000400046 S1695-6141(20)01906000046
                10.6018/eglobal.406401
                2d9b3564-7653-4ab3-81c4-687981f82dde

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 International License.

                History
                : 12 April 2020
                : 11 December 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 18, Pages: 18
                Product

                SciELO Spain

                Categories
                Originales

                chest compressions,simulación,fatiga,temperatura ambiental,compresiones torácicas,reanimador,fatigue,Reanimación cardiopulmonar,resuscitator,simulation,ambient temperature,cardiopulmonary resuscitation

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