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1.
Rev Esp Med Nucl ; 27(2): 90-8, 2008.
Artigo em Espanhol | MEDLINE | ID: mdl-18367046

RESUMO

UNLABELLED: The Chest Pain Units (CPU) are currently the best solution to improve management of patients with acute chest pain in the Emergency Room thanks to the use of reliable ischemia diagnostic detection tests and early treatment. OBJECTIVE: To assess the value of myocardial perfusion SPECT (MPS) in the CPU in order to treat acute coronary syndromes (ACS) early and discharge patients with low risk of coronary artery disease (CAD) who can be treated as outpatients. MATERIAL AND METHODS: We studied 629 patients from January 2003 to September 2005 with acute chest pain suggestive of angina, normal cardiac enzymes and normal or non-diagnostic ECG who had been referred to Nuclear Medicine for evaluation with a stress test for ischemia: 32 p treadmill stress testing and 597 p MPS (525 p exercise-rest and 72 p pharmacologic stress test). We compared the results with catheterization and clinical follow up for a 6-months period, evaluating new coronary events. RESULTS: 76 % of MPS were normal and 24 % pathological. Only 1.5 % of the patients with normal MPS had CAD or coronary events in the follow-up, increasing to 35.2 % in patients with ischemia. A total of 45 catheterizations were performed, showing CAD 27 (24 with pathological MPS). A total of 2.6 % of the patients had coronary events during follow-up, 75 % of whom had pathological MPS. CONCLUSION: The MPS improves diagnosis of ACS in the CPU, with a very low number of new coronary events at 6 months of the follow-up and permits safe discharge of these patients.


Assuntos
Síndrome Coronariana Aguda/diagnóstico por imagem , Tomografia Computadorizada de Emissão de Fóton Único , Síndrome Coronariana Aguda/complicações , Dor no Peito/etiologia , Protocolos Clínicos , Árvores de Decisões , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Tomografia Computadorizada de Emissão de Fóton Único/métodos
2.
Rev. esp. med. nucl. (Ed. impr.) ; 27(2): 90-98, mar. 2008. ilus, tab
Artigo em Es | IBECS | ID: ibc-66004

RESUMO

Las Unidades de dolor torácico (UDT) representan en la actualidad la solución más aceptada para el adecuado manejo de los pacientes con dolor torácico en Urgencias gracias al empleo de pruebas diagnósticas de isquemia fiables y a la aplicación de un tratamiento precoz. Objetivo. Demostrar la utilidad de la tomografía de emisión de fotón único de perfusión miocárdica (SPM) en la UDT con el fin de detectar el síndrome coronario agudo (SCA) para su ingreso y tratamiento precoz, y descartar pacientes con bajo riesgo de enfermedad coronaria (EC) que puedan ser tratados de forma ambulatoria. Material y métodos. Estudiamos 629 pacientes desde enero de 2003 hasta septiembre de 2005 con dolor torácico agudo sugestivo de EC, sin elevación enzimática ni alteraciones isquémicas en el electrocardiograma, remitidos a Medicina Nuclear para una prueba de provocación de isquemia: 32 pacientes fueron sometidos a ergometría convencional y 597 a SPM (525 pacientes en esfuerzo-reposo y 72 en estrés farmacológico-reposo). Los resultados se compararon con el cateterismo y el seguimiento clínico durante 6 meses valorando nuevos eventos coronarios. Resultados. El 76 % de las SPM fue normal y el 24 % patológico. Únicamente el 1,5 % de los pacientes con SPM normal mostró EC o nuevo evento coronario, porcentaje que ascendió al 35,2 % en los pacientes con isquemia. Se realizaron 45 cateterismos, que mostraron 27 EC (24 de ellas con SPM patológica). El porcentaje total de eventos coronarios fue del 2,6 % (el 75 % con SPM patológica). Conclusión. La SPM mejora el diagnóstico del SCA en la UDT, con un porcentaje muy bajo de eventos coronarios a los 6 meses, lo que permite el alta segura en estos pacientes


The Chest Pain Units (CPU) are currently the best solution to improve management of patients with acute chest pain in the Emergency Room thanks to the use of reliable ischemia diagnostic detection tests and early treatment. Objective. To assess the value of myocardial perfusion SPECT (MPS) in the CPU in order to treat acute coronary syndromes (ACS) early and discharge patients with low risk of coronary artery disease (CAD) who can be treated as outpatients. Material and methods. We studied 629 patients from January 2003 to September 2005 with acute chest pain suggestive of angina, normal cardiac enzymes and normal or non-diagnostic ECG who had been referred to Nuclear Medicine for evaluation with a stress test for ischemia: 32 p treadmill stress testing and 597 p MPS (525 p exercise-rest and 72 p pharmacologic stress test). We compared the results with catheterization and clinical follow up for a 6-months period, evaluating new coronary events. Results. 76 % of MPS were normal and 24 % pathological. Only 1.5 % of the patients with normal MPS had CAD or coronary events in the follow-up, increasing to 35.2 % in patients with ischemia. A total of 45 catheterizations were performed, showing CAD 27 (24 with pathological MPS). A total of 2.6 % of the patients had coronary events during follow-up, 75 % of whom had pathological MPS. Conclusion. The MPS improves diagnosis of ACS in the CPU, with a very low number of new coronary events at 6 months of the follow-up and permits safe discharge of these patients (AU)


Assuntos
Humanos , Dor no Peito/diagnóstico , Infarto do Miocárdio/diagnóstico , Tomografia Computadorizada de Emissão de Fóton Único/métodos , Precondicionamento Isquêmico , Doença das Coronárias/diagnóstico , Cateterismo Cardíaco , Fatores de Risco
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