BUSCAR CUIDEN SUMMA CUIDEN CANTARIDA

Resumo

Enquadramento: As compressões torácicas realizadas com qualidade e segundo as diretrizes internacionais influenciam os resultados e a sobrevida na paragem cardíaca. Objetivos: Analisar a influência da fadiga e da aptidão física no desempenho do reanimador durante 6 minutos de compressões torácicas contínuas. Metodologia: Estudo descritivo-correlacional, envolvendo 38 profissionais experientes em reanimação. A fadiga foi avaliada através do nível de lactato capilar, a aptidão física através de testes de força e composição corporal e o desempenho do reanimador pela percentagem correta de compressões por minuto, realizadas em manequim. Resultados: A percentagem de compressões corretas decresceu minuto a minuto (p<0,05). O lactato subiu de um valor basal de 1,7±0,7mmol/L para 5,4±1,5mmol/L, mantendo-se elevado após 20 minutos de repouso. A força manual e a força e massa muscular do tronco e membros superiores correlacionaram-se positivamente com a percentagem de compressões corretas efetuadas. Conclusão: O índice de massa corporal e as componentes de aptidão física, força e massa muscular foram as variáveis que melhor explicaram a qualidade da massagem ao longo do tempo.
Palavras chave: Fadiga/ Aptidão física/ Massagem cardíaca/ Ressuscitação cardiopulmonar/ Simulação de paciente.
 

Abstract
Rescuer's performance during six minutes of chest compressions in a simulated scenario

Background: The performance of quality chest compressions according to the international guidelines affects the outcomes and survival in cardiac arrest. Objectives: To analyze the influence of fatigue and physical fitness on the rescuer's performance during a period of 6 minutes of continuous chest compressions. Methodology: Descriptive-correlational study, with a sample of 38 professionals experienced in resuscitation. Fatigue was assessed through capillary blood lactate levels; physical fitness through strength tests and body composition; and the rescuer's performance through the percentage of correct compressions per minute, which were performed in manikin. Results: The percentage of correct compressions decreased every minute (p<.05). The lactate levels increased from a baseline value of 1.7±.7mmol/L to 5.4±1.5mmol/L, and remained high after 20 minutes of rest. Grip strength, and muscle strength and mass of the trunk and upper limbs were positively correlated with the percentage of correct chest compressions. Conclusion: The body mass index and the physical fitness components - muscle strength and mass - were the variables that best explained the quality of the heart massage over time.
Key-words: Fatigue/ Physical fitness/ Heart massage/ Cardiopulmonary resuscitation/ Patient simulation.
 

Resumen
Desempeño del reanimador durante seis minutos de compresiones torácicas realizadas en un entorno simulado

Marco contextual: Las compresiones torácicas realizadas con calidad y según las directrices internacionales influyen en los resultados y la supervivencia del paro cardíaco. Objetivos: Analizar la influencia de la fatiga y la aptitud física en el desempeño del reanimador durante 6 minutos de compresiones torácicas continuas. Metodología: Estudio descriptivo y correlacional que incluyó a 38 profesionales experimentados en reanimación. La fatiga fue evaluada por el nivel del lactato capilar, la aptitud física a través de pruebas de fuerza y composición corporal y el desempeño del reanimador por el porcentaje d compresiones correctas por minuto realizadas en un maniquí. Resultados: El porcentaje de compresiones correctas disminuyó minuto a minuto (p< 0,05). El lactato aumentó de un valor basal de 1,7 ± 0,7mmol/L a 5,4 ± 1,5mmol/L, permaneciendo elevado después de 20 minutos de reposo. La fuerza manual, así como la fuerza y la masa muscular del tronco y brazos se correlacionaron positivamente con el porcentaje de compresiones correctas realizadas. Conclusión: El índice de masa corporal y los componentes de aptitud física, fuerza y masa muscular fueron las variables que mejor explicaron la calidad del masaje a lo largo del tiempo.
Palabras clave: Fatiga/ Aptitud física/ Masaje cardíaco/ Resucitación cardiopulmonar/ Simulación de paciente.
 

Referências

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