Neftali Eduardo Antonio-Villa1, Nilda Espínola-Zavaleta2, Isabel Carvajal-Juárez2,3, Alondra Noe Flores-Garcia2, Erick Alexanderson-Rosas4,5. 1. Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico. 2. Nuclear Cardiology Department, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No. 1, Colonia Seccion XVI, Tlalpan, P. C. 14030, Mexico City, Mexico. 3. PET/CT Ciclotrón, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico. 4. Nuclear Cardiology Department, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No. 1, Colonia Seccion XVI, Tlalpan, P. C. 14030, Mexico City, Mexico. alexandersonerick@gmail.com. 5. Physiology Department, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico. alexandersonerick@gmail.com.
Abstract
BACKGROUND: There is an increasing prevalence of comorbidities in patients with ischemic heart disease (IHD) in developing countries. The aim of this work is to assess the prevalence of comorbidities and associated factors for IHD among patients at a reference cardiology center. DESIGN AND METHODS: This was a cross-sectional study. A complete clinical history which focused on the main comorbidities, previous myocardial infarction, and the main reason of referral was assessed. A single-photon emission computed tomography (SPECT) myocardial perfusion study (MPS) with two protocols was performed. RESULTS: We included 1998 patients, 64.2% male, median age 63 (I.R.: 56-71) years. 1514 (75.8%) subjects had at least one associated comorbidity. The main comorbidity was diabetes (T2D) (772: 38.6%), followed by systemic hypertension (737: 36.9%), smoking (518: 25.9%), and dyslipidemia (517: 25.9%). 806 (40.3%) had histories of previous myocardial infarctions. The main cause of referral was angina (923: 46.2%). We identified 1330 (66.5%) abnormal MPS. 460 (23%) had ischemia, 292 (14.6%) infarction, and 578 (28.9%) ischemia and infarction. CONCLUSION: An increased prevalence of comorbidities was found in patients who were studied in the Nuclear Cardiology Department (NCD): most of them had traditional risk factors attributable to myocardial infarction. A great percentage were newly diagnosed with both ischemia and infarction.
BACKGROUND: There is an increasing prevalence of comorbidities in patients with ischemic heart disease (IHD) in developing countries. The aim of this work is to assess the prevalence of comorbidities and associated factors for IHD among patients at a reference cardiology center. DESIGN AND METHODS: This was a cross-sectional study. A complete clinical history which focused on the main comorbidities, previous myocardial infarction, and the main reason of referral was assessed. A single-photon emission computed tomography (SPECT) myocardial perfusion study (MPS) with two protocols was performed. RESULTS: We included 1998 patients, 64.2% male, median age 63 (I.R.: 56-71) years. 1514 (75.8%) subjects had at least one associated comorbidity. The main comorbidity was diabetes (T2D) (772: 38.6%), followed by systemic hypertension (737: 36.9%), smoking (518: 25.9%), and dyslipidemia (517: 25.9%). 806 (40.3%) had histories of previous myocardial infarctions. The main cause of referral was angina (923: 46.2%). We identified 1330 (66.5%) abnormal MPS. 460 (23%) had ischemia, 292 (14.6%) infarction, and 578 (28.9%) ischemia and infarction. CONCLUSION: An increased prevalence of comorbidities was found in patients who were studied in the Nuclear Cardiology Department (NCD): most of them had traditional risk factors attributable to myocardial infarction. A great percentage were newly diagnosed with both ischemia and infarction.
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