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1.
Rev Esp Med Nucl ; 27(5): 340-9, 2008.
Article in Spanish | MEDLINE | ID: mdl-18817663

ABSTRACT

OBJECTIVE: To assess the clinical usefulness of left ventricular function values obtained using post-stress myocardial perfusion gated-SPECT in diabetic patients with suspected ischaemic heart disease (IHD). MATERIALS AND METHODS: Sixty-one patients with diabetes mellitus (DM), with clinical suspicion of IHD and no previous history of heart disease were studied. Ergometric or pharmacological post-stress myocardial perfusion gated-SPECT was performed on all patients. The relationship between the ejection fraction values and ventricular volumes, and the perfusion study results, final diagnosis, severity of the perfusion defects and the clinical evolution was studied. The mean follow-up time was 14 months. RESULTS; All the ventricular function values independently showed significant differences between the groups with a normal and pathological perfusion study, and between groups with a final diagnosis of IHD and non-IHD. After multivariate logistic regression, the end-diastolic volume (EDV) was the only value which showed a statistical association with the pathological perfusion study, its severity and the final diagnosis of IHD. No statistical association was observed between the ventricular function values and the occurrence of cardiac events. CONCLUSIONS: All the ventricular function values obtained by gated-SPECT added diagnostic information to the post-stress myocardial perfusion study in the diabetic population with suspected IHD; however, only EDV showed a statistical association with the pathological perfusion study, severity of defects and the final diagnosis of IHD.


Subject(s)
Cardiac-Gated Single-Photon Emission Computer-Assisted Tomography , Diabetic Angiopathies/diagnostic imaging , Myocardial Ischemia/diagnostic imaging , Aged , Female , Humans , Male
2.
Rev. esp. med. nucl. (Ed. impr.) ; 27(5): 340-349, sept. 2008. ilus, tab
Article in Es | IBECS | ID: ibc-71893

ABSTRACT

Objetivo. Evaluar la utilidad clínica aportada por los valores de función ventricular izquierda obtenidos mediante gated-SPECT (tomografía computarizada por emisión de fotón único) de perfusión miocárdica post-estrés en pacientes diabéticos con sospecha de cardiopatía isquémica (CI). Material y métodos. Se estudiaron 61 pacientes diagnosticados de diabetes mellitus (DM), con sospecha clínica de CI y sin antecedentes de cardiopatía. A todos se les realizó gated-SPECT de perfusión miocárdica post-estrés ergométrico o farmacológico. Se estudió la relación entre los valores de fracción de eyección y los volúmenes ventriculares con los resultados del estudio de perfusión, el diagnóstico final, la severidad de los defectos de perfusión y la evolución clínica. El tiempo medio de seguimiento fue de 14 meses. Resultados. Todos los valores de función ventricular mostraron, aisladamente, diferencias significativas entre los grupos con estudio de perfusión normal y patológico, y entre los grupos con diagnóstico final de CI y no CI. Tras regresión logística multivariante, el volumen telediastólico (VTD) fue el único valor que mostró asociación estadística con la obtención de un estudio patológico de perfusión, con la severidad del mismo y con el diagnóstico final de CI. No se observó asociación estadística entre los valores de función ventricular y la presencia de eventos cardíacos. Conclusiones. Todos los valores de función ventricular obtenidos mediante gated-SPECT añaden información diagnóstica al estudio de perfusión miocárdica post-estrés en la población diabética con sospecha de CI; sin embargo, sólo el VTD muestra asociación estadística con la obtención de un estudio patológico de perfusión, con la severidad del mismo y con el diagnóstico final de CI


Objective. To assess the clinical usefulness of left ventricular function values obtained using post-stress myocardial perfusion gated-SPECT in diabetic patients with suspected ischaemic heart disease (IHD). Materials and methods. Sixty-one patients with diabetes mellitus (DM), with clinical suspicion of IHD and no previous history of heart disease were studied. Ergometric or pharmacological post-stress myocardial perfusion gated-SPECT was performed on all patients. The relationship between the ejection fraction values and ventricular volumes, and the perfusion study results, final diagnosis, severity of the perfusion defects and the clinical evolution was studied. The mean follow-up time was 14 months. Results. All the ventricular function values independently showed significant differences between the groups with a normal and pathological perfusion study, and between groups with a final diagnosis of IHD and non-IHD. After multivariate logistic regression, the end-diastolic volume (EDV) was the only value which showed a statistical association with the pathological perfusion study, its severity and the final diagnosis of IHD. No statistical association was observed between the ventricular function values and the occurrence of cardiac events. Conclusions. All the ventricular function values obtained by gated-SPECT added diagnostic information to the post-stress myocardial perfusion study in the diabetic population with suspected IHD; however, only EDV showed a statistical association with the pathological perfusion study, severity of defects and the final diagnosis of IHD


Subject(s)
Humans , Male , Female , Aged , Diabetic Angiopathies , Myocardial Ischemia , Cerebrovascular Circulation , Feeding and Eating Disorders/physiopathology , Feeding and Eating Disorders , Radiopharmaceuticals , Technetium Tc 99m Exametazime , Acute Disease
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