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ACC/AHA/ASNC Radionuclide Imaging Guidelines 2003

ACC/AHA/ASNC Radionuclide Imaging Guidelines 2003. SPECT 33 estudios (4480 pts) Sensibilidad 87% (71%-97%) Especificidad 73% (36%-100%) 17 estudios farmacológicos (2465 pts) Sensibilidad 89% Especificidad 75% Situación actual: S 90% 1-2 vasos, 96% 3 vasos DiCarli M EJNM 2006.

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ACC/AHA/ASNC Radionuclide Imaging Guidelines 2003

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  1. ACC/AHA/ASNC Radionuclide Imaging Guidelines 2003 SPECT • 33 estudios (4480 pts) • Sensibilidad 87% (71%-97%) • Especificidad 73% (36%-100%) • 17 estudios farmacológicos (2465 pts) • Sensibilidad 89% • Especificidad 75% Situación actual: S 90% 1-2 vasos, 96% 3 vasos DiCarli M EJNM 2006

  2. SPECT de perfusión miocárdica Falsos negativos Bajo nivel de consumo miocárdico (FC, TA) y de consumo máximo de O2 (METs): prueba de esfuerzo no submáxima (85% de la frecuencia cardica máxima esperada) Enfermedad multivaso Circulación colateral

  3. SPECT perfusión miocárdicaFalsos positivos • Atenuación por otras estructuras: mama, diafragma Solución: Corrección de atenuación por sistemas híbridos (SPET-TC) • Trastornos de la conducción interventricular • Miocardiopatías

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