Introduction: sudden death presently represents one of the main challenges for the health care systems worldwide due to high incidence, dramatic presentation and life years prematurely lost as a result of this event. Objective: to describe the background of the creation of the research group on sudden death in Cuba twenty years ago, and to show its most significant results. Methods: a documentary review of the first 20 years of scientific research work performed by the Research Group on Sudden Death in Cuba (1995-2014). Results: twenty four thousand eight hundred and seventy six deaths of natural causes were studied and applied a diagnostic algorithm to document 1 953 events of sudden cardiovascular death accounting for 7.8 % of recorded global mortality. In the studied casuistry, 98.1 % went to 14 municipalities from 11 provinces. The studies showed increased probabilities for this event in patients suffering blood hypertension, obesity, diabetes mellitus, ischemia, previous myocardial necrosis, smoking, left ventricle thickening, and lipid profile impairment. Conclusions: the creation of the Research Group on Sudden Death allowed in the last twenty years designing and performing scientific research studies aimed at the epidemiological characterization of this health problem in Cuba and those are useful elements to draw up intervention strategies to significantly reduce the incidence and the economic, family and social impact of this event.

Introducción: la muerte súbita representa en la actualidad uno de los principales desafíos para los sistemas sanitarios a nivel mundial dada su elevada incidencia, dramatismo en su presentación y años de vida que se pierden prematuramente como consecuencia de esta entidad. Objetivo: describir los antecedentes de la creación hace 20 años del Grupo de Investigación en Muerte Súbita en Cuba y mostrar sus resultados más significativos. Método: se realizó una revisión documental de los primeros 20 años de trabajo de investigación científica del Grupo de Investigación en Muerte Súbita en Cuba (1995-2014). Resultados: se estudiaron 24 758 muertes naturales a las cuales se les aplicó un algoritmo diagnóstico para documentar 1 953 eventos de muerte súbita cardiovascular, que representaron el 7,8 % de la mortalidad global registrada. El 98,1 % de la casuística investigada correspondió a 14 municipios de la provincia La Habana. El 2 % restante incluyó 26 municipios de 11 provincias del país. Los estudios han demostrado un incremento en la probabilidad para este evento en pacientes con hipertensión arterial, obesidad, diabetes mellitus, cardiopatía isquémica, necrosis miocárdica previa, tabaquismo, engrosamiento ventricular izquierdo y alteración del perfil lipídico. Conclusiones: la creación del Grupo de Investigación en Muerte Súbita ha permitido, en los últimos 20 años, el diseño y ejecución de investigaciones científicas encaminadas a la caracterización epidemiológica de este problema de salud en Cuba, elementos útiles para trazar estrategias de intervención que permitan lograr una disminución sensible en la incidencia e impacto económico, familiar y social de esta entidad.

Introduction: sudden death presently represents one of the main challenges for the health care systems worldwide due to high incidence, dramatic presentation and life years prematurely lost as a result of this event. Objective: to describe the background of the creation of the research group on sudden death in Cuba twenty years ago, and to show its most significant results. Methods: a documentary review of the first 20 years of scientific research work performed by the Research Group on Sudden Death in Cuba (1995-2014). Results: twenty four thousand eight hundred and seventy six deaths of natural causes were studied and applied a diagnostic algorithm to document 1 953 events of sudden cardiovascular death accounting for 7.8 % of recorded global mortality. In the studied casuistry, 98.1 % went to 14 municipalities from 11 provinces. The studies showed increased probabilities for this event in patients suffering blood hypertension, obesity, diabetes mellitus, ischemia, previous myocardial necrosis, smoking, left ventricle thickening, and lipid profile impairment. Conclusions: the creation of the Research Group on Sudden Death allowed in the last twenty years designing and performing scientific research studies aimed at the epidemiological characterization of this health problem in Cuba and those are useful elements to draw up intervention strategies to significantly reduce the incidence and the economic, family and social impact of this event.