RESUMEN
OBJECTIVES: An analysis is made of the clinical profile, evolution and differences in morbidity and mortality of low cardiac output syndrome (LCOS) in the postoperative period of cardiac surgery, according to the 3 diagnostic subgroups defined by the SEMICYUC Consensus 2012. DESIGN: A multicenter, prospective cohort study was carried out. SETTING: ICUs of Spanish hospitals with cardiac surgery. PATIENTS: A consecutive sample of 2,070 cardiac surgery patients was included, with the analysis of 137 patients with LCOS. INTERVENTIONS: No intervention was carried out. RESULTS: The mean patient age was 68.3±9.3 years (65.2% males), with a EuroSCORE II of 9.99±13. NYHA functional class III-IV (52.9%), left ventricular ejection fraction<35% (33.6%), AMI (31.9%), severe PHT (21.7%), critical preoperative condition (18.8%), prior cardiac surgery (18.1%), PTCA/stent placement (16.7%). According to subgroups, 46 patients fulfilled hemodynamic criteria of LCOS (group A), 50 clinical criteria (group B), and the rest (n=41) presented cardiogenic shock (group C). Significant differences were observed over the evolutive course between the subgroups in terms of time subjected to mechanical ventilation (114.4, 135.4 and 180.3min in groups A, B and C, respectively; P<.001), renal replacement requirements (11.4, 14.6 and 36.6%; P=.007), multiorgan failure (16.7, 13 and 47.5%), and mortality (13.6, 12.5 and 35.9%; P=.01). The mean maximum lactate concentration was higher in cardiogenic shock patients (P=.002). CONCLUSIONS: The clinical evolution of these patients leads to high morbidity and mortality. We found differences between the subgroups in terms of the postoperative clinical course and mortality.
Asunto(s)
Gasto Cardíaco Bajo/etiología , Procedimientos Quirúrgicos Cardíacos , Complicaciones Posoperatorias/etiología , Anciano , Anciano de 80 o más Años , Gasto Cardíaco Bajo/sangre , Gasto Cardíaco Bajo/epidemiología , Comorbilidad , Femenino , Mortalidad Hospitalaria , Humanos , Unidades de Cuidados Intensivos/estadística & datos numéricos , Lactatos/sangre , Masculino , Persona de Mediana Edad , Oliguria/epidemiología , Oliguria/etiología , Oxígeno/sangre , Complicaciones Posoperatorias/sangre , Complicaciones Posoperatorias/epidemiología , Pronóstico , Estudios Prospectivos , Factores de Riesgo , Choque Cardiogénico/sangre , Choque Cardiogénico/epidemiología , Choque Cardiogénico/etiología , España/epidemiologíaRESUMEN
We present the case of a patient who was previously diagnosed of hypertrophic cardiomyopathy. The patient was admitted to our coronary unit due to a sustained ventricular tachycardia picture. A coronariography was performed as part of the ventricular tachycardia study protocol. It showed angiographically normal epicardic arteries. In the ventriculography, there was a pattern of dilated cardiomyopathy with prominent left ventricular trabeculation, which suggested the diagnosis of non-compacted cardiomyopathy (NCC). The findings of the transthoracic echocardiography, that showed a dilated and hypertrophic left ventricle, with very depressed systolic function, and ventricular myocardium with a thick internal non-compacted endocardium, with a meshwork of multiple trabeculations and intracardic recesses in communication with the ventricular cavity, confirmed this diagnosis. There continues to be little knowledge on NCC and thus it is probably underdiagnosed. It must be considered in the differential diagnosis of patients diagnosed of hypertrophic or dilated cardiomyopathy.
Asunto(s)
Cardiomiopatía Hipertrófica/complicaciones , Ventrículos Cardíacos/patología , Taquicardia Ventricular/etiología , Cardiomiopatía Hipertrófica/diagnóstico , Humanos , Masculino , Persona de Mediana EdadRESUMEN
Presentamos el caso de un paciente, diagnosticado previamente de miocardiopatía hipertrófica, que ingresó en nuestra Unidad Coronaria por un cuadro de taquicardia ventricular sostenida. Como parte del protocolo de estudio de la taquicardia ventricular se le realizó una coronariografía que mostró arterias epicárdicas angiográficamente normales. En la ventriculografía se apreció un patrón de micardiopatía dilatada con llamativa trabeculación del ventrículo izquierdo, sugiriendo el diagnóstico de miocardiopatía no compactada (MNC). Los hallazgos de la ecocardiografía transtorácica, en la que se apreció un ventrículo izquierdo dilatado e hipertrófico con una función sistólica muy deprimida, y un miocardio ventricular con una gruesa capa interna endocárdica no compactada, con una malla de múltiples trabeculaciones y recesos intramiocárdicos en comunicación con la cavidad ventricular, confirmaron este diagnóstico. La MNC sigue siendo una patología poco conocida, y probablemente por ello infradiagnosticada. Hay que considerarla en el diagnóstico diferencial de pacientes afectos de miocardiopatía hipertrófica o dilatada
We present the case of a patient who was previously diagnosed of hypertrophic cardiomyopathy. The patient was admitted to our coronary unit due to a sustained ventricular tachycardia picture. A coronariography was performed as part of the ventricular tachycardia study protocol. It showed angiographically normal epicardic arteries. In the ventriculography, there was a pattern of dilated cardiomyopathy with prominent left ventricular trabeculation, which suggested the diagnosis of non-compacted cardiomyopathy (NCC). The findings of the transthoracic echocardiography, that showed a dilated and hypertrophic left ventricle, with very depressed systolic function, and ventricular myocardium with a thick internal non-compacted endocardium, with a meshwork of multiple trabeculations and intracardic recesses in communication with the ventricular cavity, confirmed this diagnosis. There continues to be little knowledge on NCC and thus it is probably underdiagnosed. It must be considered in the differential diagnosis of patients diagnosed of hypertrophic or dilated cardiomyopathy