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Arch. cardiol. Méx ; 86(3): 221-232, jul.-sep. 2016. tab, graf
Article in English | LILACS | ID: biblio-838379

ABSTRACT

Abstract Objective To describe current management and clinical outcomes in patients hospitalized with an acute coronary syndrome (ACS) in Mexico. Methods RENASICA III was a prospective multicenter registry of consecutive patients hospitalized with an ACS. Patients had objective evidence of ischemic heart disease; those with type II infarction or secondary ischemic were excluded. Study design conformed to current quality recommendations. Results A total of 123 investigators at 29 tertiary and 44 community hospitals enrolled 8296 patients with an ACS (4038 with non-ST-elevation myocardial infarction/unstable angina [NSTEMI/UA], 4258 with ST-elevation myocardial infarction [STEMI]). The majority were younger (62 ± 12 years) and 76.0% were male. On admission 80.5% had ischemic chest pain lasting >20 min and clinical stability. Left ventricular dysfunction was more frequent in NSTEMI/UA than in those with STEMI (30.0% vs. 10.7%, p < 0.0001). In STEMI 37.6% received thrombolysis and 15.0% primary PCI. PCI was performed in 39.6% of NSTEMI/UA (early strategy in 10.8%, urgent strategy in 3.0%). Overall hospital death rate was 6.4% (8.7% in STEMI vs. 3.9% in NSTEMI/UA, p < 0.001). The strongest independent predictors of hospital mortality were cardiogenic shock (odds ratio 22.4, 95% confidence interval 18.3-27.3) and ventricular fibrillation (odds ratio 12.5, 95% confidence interval 9.3-16.7). Conclusion The results from RENASICA III establish the urgent need to develop large-scale regional programs to improve adherence to guideline recommendations in ACS, including rates of pharmacological thrombolysis and increasing the ratio of PCI to thrombolysis.


Resumen Objetivo Describir abordaje terapéutico actual y evolución en pacientes hospitalizados con un síndrome coronario agudo (SCA) en México. Métodos RENASICA III registro multicéntrico prospectivo de pacientes consecutivos con un SCA. Todos tuvieron demostración objetiva de enfermedad coronaria; se excluyeron infarto tipo II o isquemia secundaria. El diseño incluyó recomendaciones actuales de calidad. Resultados 123 investigadores en 29 hospitales de tercer nivel y en 44 de segundo ingresaron 8296 pacientes, 4038 con infarto del miocardio sin elevación del ST/angina inestable (IMSEST/AI) y 4258 con infarto del miocardio y elevación del ST (IMEST). La mayoría fueron jóvenes (62 ± 12 años) y el 76% del sexo masculino. Al ingreso 80.5% tuvo dolor torácico con perfil isquémico >20 minutos y estabilidad clínica. Se observó mayor disfunción ventricular en grupo con IMSEST/AI que en aquellos con IMEST (30.0% vs 10.7%, p <0.0001). En IMEST el 37.6% recibió trombolisis y el 15% angioplastía primaria. Este procedimiento se realizó en el 39.6% de los pacientes con IMSEST/AI (estrategia temprana 10.8%, estrategia urgente 3.0%). La mortalidad hospitalaria fue del 6.4% (8.7% IMEST vs. 3.9% IMSEST/AI, p <0.001). Los predictores independientes con mayor poder para mortalidad fueron choque cardiogénico (RM 22.4, 95% IC 18.3-27.3) y fibrilación ventricular (RM 12.5, 95% IC 9.3-16.7). Conclusión los resultados del RENASICA III establecen la urgente necesidad de desarrollar en SCA programas regionales a gran escala para mejorar el apego a la guías y recomendaciones, incluyendo mayor porcentaje de trombolisis e incrementar la proporción de angioplastia primaria.


Subject(s)
Humans , Male , Female , Middle Aged , Acute Coronary Syndrome/therapy , Registries , Prospective Studies , Treatment Outcome , Hospital Mortality , Hospitalization , Mexico
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