avaliação inicial do serviço de atendimento móvel de urgência na cidade de porto alegre evaluación inicial del servicio de atención móvil de urgencia en la ciudad de porto alegre initial evaluation of the mobile emergency medical services in the city of porto alegre, brazil
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2011
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Abstract
FUNDAMENTO: Os Serviços de Atendimento Móvel de Urgência (SAMU) no Brasil têm resultados imediatos pouco conhecidos. OBJETIVO: Avaliar os preditores clínicos de sobrevida dos pacientes em parada cardiorrespiratória (PCR) no ambiente não hospitalar atendidos pelo SAMU de Porto Alegre. MÉTODOS: Estudo observacional e prospectivo. Os desfechos avaliados foram sobrevida em 30 dias e até a alta hospitalar, além de escore do Cerebral Performance Category (CPC) I-II. RESULTADOS: De janeiro a outubro de 2008, foram atendidos 593 pacientes em PCR não traumática e foram realizadas 260 tentativas de ressuscitação cardiopulmonar (RCP). Houve sucesso inicial em 52 (20,0%) casos, estando 16 pacientes vivos no 30º (6,0%) dia, 10 tendo recebido alta hospitalar (3,9%), sendo que 6 (2,3%) com escore CPC I-II. A PCR no domicílio associou-se inversamente com a sobrevida no 30º dia (p = 0,001) e na alta hospitalar (p = 0,02). Um ritmo inicial "chocável" (p = 0,008) associou-se à sobrevida aos 30 dias. O intervalo tempo-resposta e tempo colapso até início da RCP foram significativamente menores em sobreviventes aos 30 dias. Em análise multivariada, foram preditores independentes de mortalidade aos 30 dias um ritmo inicial chocável (razão de chance [RC] = 0,28 e intervalo de confiança [IC] de 95,0% = 0,10 - 0,81; p = 0,02) e PCR no domicílio (RC = 3,0 e IC 95,0% = 1,04 - 8,7; p = 0,04). CONCLUSÃO: O atendimento pré-hospitalar da PCR em Porto Alegre tem resultados limitados, porém equiparáveis a outras localidades internacionais. É necessário o reforço de cada elo da corrente da sobrevivência para aperfeiçoar o atendimento pré-hospitalar, visando melhora de resultados clinicamente relevantes.
FUNDAMENTO: Los Servicios de Atención Móvil de Urgencia (SAMU) en el Brasil han resultados inmediatos poco conocidos. OBJETIVO: Evaluar los predictores clínicos de sobrevida de los pacientes en parada cardiorrespiratoria (PCR) en el ambiente no hospitalario atendidos por el SAMU de Porto Alegre. MÉTODOS: Estudio observacional y prospectivo. Los desenlaces evaluados fueron sobrevida en 30 días y hasta el alta hospitalaria, además de escore del Cerebral Performance Category (CPC) I-II. RESULTADOS: De enero a octubre de 2008, fueron atendidos 593 pacientes en PCR no traumática y fueron realizadas 260 tentativas de resucitación cardiopulmonar (RCP). Hubo éxito inicial en 52 (20,0%) casos, estando 16 pacientes vivos en el 30º (6,0%) día, 10 teniendo recibido alta hospitalaria (3,9%), siendo que 6 (2,3%) con escore CPC I-II. La PCR en el domicilio se asoció inversamente con la sobrevida en el 30º día (p = 0,001) y en el alta hospitalaria (p = 0,02). Un ritmo inicial pasible de "shockeable" (p = 0,008) se asoció a la sobrevida a los 30 días. El intervalo tiempo-respuesta y tiempo colapso hasta comienzo de la RCP fueron significativamente menores en supervivientes a los 30 días. En análisis multivariado, fueron predictores independientes de mortalidad a los 30 días un ritmo inicial "shockeable" (razón de posibilidad [RC] = 0,28 y intervalo de confianza [IC] de 95,0% = 0,10 - 0,81; p = 0,02) y PCR en el domicilio (RC = 3,0 y IC 95,0% = 1,04 - 8,7; p = 0,04). CONCLUSIÓN: La atención prehospitalaria de la PCR en Porto Alegre tiene resultados limitados, sin embargo equiparables a otras localidades internacionales. Es necesario el refuerzo de cada eslabón de la cadena de supervivencia para perfeccionar la atención prehospitalaria, buscando mejora de resultados clínicamente relevantes.
BACKGROUND: Little is known about the immediate outcomes of the Mobile Emergency Medical Services (SAMU) in Brazil. OBJECTIVE: To evaluate clinical predictors of survival of patients in cardiorespiratory arrest (CRA) in the nonhospital environment treated by the SAMU in the city of Porto Alegre. METHODS: The present study has a prospective and observational design. The evaluated outcomes were 30-day survival and hospital discharge, in addition to the Cerebral Performance Category (CPC) score I-II. RESULTS: From January to October 2008, a total of 593 patients in nontraumatic CRA were treated and 260 cardiopulmonary resuscitation (CPR) attempts were made. There was an initial successful outcome in 52 (20.0%) cases, with 16 patients (6.0%) alive on the 30th day and 10 being discharged from the hospital (3.9%), of which 6 (2.3%) presented CPC I-II score. The CPR at home was inversely associated with 30-day survival (p = 0.001) and hospital discharge survival (p = 0.02). An initial "shockable" rhythm (p = 0.008) was associated with 30-day survival. The response-time and collapse-time intervals until CPR start were significantly shorter in 30-day survivors. At multivariate analysis, independent 30-day mortality predictors were an initial shockable rhythm (odds ratio [OR] = 0.28 and 95% confidence interval [95%CI] = 0.10 - 0.81; p = 0.02) and CPR at home (OR = 3.0 and 95CI% = 1.04 - 8.7; p = 0.04). CONCLUSION: The pre-hospital care of CRA in the city of Porto Alegre has limited results; however, they are comparable to the results from other international locations. It is necessary to reinforce each link of the survival chain to improve pre-hospital care, aiming at improving clinically relevant outcomes.
FUNDAMENTO: Los Servicios de Atención Móvil de Urgencia (SAMU) en el Brasil han resultados inmediatos poco conocidos. OBJETIVO: Evaluar los predictores clínicos de sobrevida de los pacientes en parada cardiorrespiratoria (PCR) en el ambiente no hospitalario atendidos por el SAMU de Porto Alegre. MÉTODOS: Estudio observacional y prospectivo. Los desenlaces evaluados fueron sobrevida en 30 días y hasta el alta hospitalaria, además de escore del Cerebral Performance Category (CPC) I-II. RESULTADOS: De enero a octubre de 2008, fueron atendidos 593 pacientes en PCR no traumática y fueron realizadas 260 tentativas de resucitación cardiopulmonar (RCP). Hubo éxito inicial en 52 (20,0%) casos, estando 16 pacientes vivos en el 30º (6,0%) día, 10 teniendo recibido alta hospitalaria (3,9%), siendo que 6 (2,3%) con escore CPC I-II. La PCR en el domicilio se asoció inversamente con la sobrevida en el 30º día (p = 0,001) y en el alta hospitalaria (p = 0,02). Un ritmo inicial pasible de "shockeable" (p = 0,008) se asoció a la sobrevida a los 30 días. El intervalo tiempo-respuesta y tiempo colapso hasta comienzo de la RCP fueron significativamente menores en supervivientes a los 30 días. En análisis multivariado, fueron predictores independientes de mortalidad a los 30 días un ritmo inicial "shockeable" (razón de posibilidad [RC] = 0,28 y intervalo de confianza [IC] de 95,0% = 0,10 - 0,81; p = 0,02) y PCR en el domicilio (RC = 3,0 y IC 95,0% = 1,04 - 8,7; p = 0,04). CONCLUSIÓN: La atención prehospitalaria de la PCR en Porto Alegre tiene resultados limitados, sin embargo equiparables a otras localidades internacionales. Es necesario el refuerzo de cada eslabón de la cadena de supervivencia para perfeccionar la atención prehospitalaria, buscando mejora de resultados clínicamente relevantes.
BACKGROUND: Little is known about the immediate outcomes of the Mobile Emergency Medical Services (SAMU) in Brazil. OBJECTIVE: To evaluate clinical predictors of survival of patients in cardiorespiratory arrest (CRA) in the nonhospital environment treated by the SAMU in the city of Porto Alegre. METHODS: The present study has a prospective and observational design. The evaluated outcomes were 30-day survival and hospital discharge, in addition to the Cerebral Performance Category (CPC) score I-II. RESULTS: From January to October 2008, a total of 593 patients in nontraumatic CRA were treated and 260 cardiopulmonary resuscitation (CPR) attempts were made. There was an initial successful outcome in 52 (20.0%) cases, with 16 patients (6.0%) alive on the 30th day and 10 being discharged from the hospital (3.9%), of which 6 (2.3%) presented CPC I-II score. The CPR at home was inversely associated with 30-day survival (p = 0.001) and hospital discharge survival (p = 0.02). An initial "shockable" rhythm (p = 0.008) was associated with 30-day survival. The response-time and collapse-time intervals until CPR start were significantly shorter in 30-day survivors. At multivariate analysis, independent 30-day mortality predictors were an initial shockable rhythm (odds ratio [OR] = 0.28 and 95% confidence interval [95%CI] = 0.10 - 0.81; p = 0.02) and CPR at home (OR = 3.0 and 95CI% = 1.04 - 8.7; p = 0.04). CONCLUSION: The pre-hospital care of CRA in the city of Porto Alegre has limited results; however, they are comparable to the results from other international locations. It is necessary to reinforce each link of the survival chain to improve pre-hospital care, aiming at improving clinically relevant outcomes.
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semensato2011arquivosavaliao
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| Authors | ;Gladis Semensato;Leandro Zimerman;Luis Eduardo Rohde |
| Journal | revista cubana de ciencias informáticas |
| Year | 2011 |
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