Farzad Hadaegh1, Samaneh Asgari2, Fatemeh Moosaie3, Meysam Orangi2, Farzaneh Sarvghadi4, Davood Khalili2,5, Fereidoun Azizi4. 1. Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran. fzhadaegh@endocrine.ac.ir. 2. Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran. 3. Tehran University of Medical Sciences, Tehran, Iran. 4. Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 5. Department of Biostatistics and Epidemiology, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract
BACKGROUND: In 2013 American College of Cardiology and the American Heart Association released a guideline on the management of atherosclerotic cardiovascular disease (ASCVD) including a composite of death from CVD, non-fatal myocardial infarction, or non-fatal stroke (hard CVD). This guideline recommended a risk score that was calculated using pooled cohort equations (ASCVD-PCE). The guideline was updated in 2018/2019 and further risk discussion was suggested for deciding whether to continue or initiate statin therapy among non-diabetic individuals with ASCVD-PCE score ranged 5-20%. They recommended a risk discussion with considering risk enhancing factors (ASCVD-REFs) including family history of premature CVD, chronic kidney disease, triglycerides ≥ 175 mg/dl, low-density lipoprotein cholesterol (LDL-C) ≥ 160 mg/dl, metabolic syndrome (Mets), and for women premature menopause, and hypertensive disorders of pregnancy (HDP). In the current study, we aimed to examine the predictability of recommended ASCVD-REFs on incident hard CVD in non-diabetic individuals with LDL-C 70-189 mg/dl, with ASCVD-PCE risk 5-20% during 10 and 15-year follow-up. METHODS: Among a total of 3546 non-diabetic individuals aged 40-75 years, after excluding those with ASCVD-PCE score < 5% and ≥ 20% (n = 2342), 1204 individuals (women = 332) were included. The univariable and multivariable (further adjusted for ASCVD-PCE) Cox regression analysis were used to evaluate the association of each potential ASCVD-REFs with hard CVD. Additionnaly, the role of different components of Mets and a history of gestational diabetes (GDM)/macrosomia was also examined. The predictive ability of each significant ASCVD-REFs, then was evaluated by the discrimination accuracy and risk reclassification index. RESULTS: During the 10-year follow-up, 73 hard CVD events occurred. Although in univariable analysis, high blood pressure (BP) component of Mets, GDM/macrosomia, and HDP remained as significant ASCVD-REFs, in the multivariable analysis, only the history of HDP (5.35 (1.22-23.38)) and GDM/macrosomia (3.18 (1.05-9.65)) showed independent risks. During the 15-year follow-up, Mets (1.47 (1.05-2.06)) and its components of high waist circumference (1.40 (1.0-1.95)) and high BP (1.52 (1.07-2.15)) significantly increased the risk. These ASCVD-REFs did not improve discrimination or predictive ability. CONCLUSIONS: In a decade follow-up, only conditions specific for women and in longer follow-up, the presence of Mets perse, and its components of high WC and high BP were shown as significant ASCVD-REFs.
BACKGROUND: In 2013 American College of Cardiology and the American Heart Association released a guideline on the management of atherosclerotic cardiovascular disease (ASCVD) including a composite of death from CVD, non-fatal myocardial infarction, or non-fatal stroke (hard CVD). This guideline recommended a risk score that was calculated using pooled cohort equations (ASCVD-PCE). The guideline was updated in 2018/2019 and further risk discussion was suggested for deciding whether to continue or initiate statin therapy among non-diabetic individuals with ASCVD-PCE score ranged 5-20%. They recommended a risk discussion with considering risk enhancing factors (ASCVD-REFs) including family history of premature CVD, chronic kidney disease, triglycerides ≥ 175 mg/dl, low-density lipoprotein cholesterol (LDL-C) ≥ 160 mg/dl, metabolic syndrome (Mets), and for women premature menopause, and hypertensive disorders of pregnancy (HDP). In the current study, we aimed to examine the predictability of recommended ASCVD-REFs on incident hard CVD in non-diabetic individuals with LDL-C 70-189 mg/dl, with ASCVD-PCE risk 5-20% during 10 and 15-year follow-up. METHODS: Among a total of 3546 non-diabetic individuals aged 40-75 years, after excluding those with ASCVD-PCE score < 5% and ≥ 20% (n = 2342), 1204 individuals (women = 332) were included. The univariable and multivariable (further adjusted for ASCVD-PCE) Cox regression analysis were used to evaluate the association of each potential ASCVD-REFs with hard CVD. Additionnaly, the role of different components of Mets and a history of gestational diabetes (GDM)/macrosomia was also examined. The predictive ability of each significant ASCVD-REFs, then was evaluated by the discrimination accuracy and risk reclassification index. RESULTS: During the 10-year follow-up, 73 hard CVD events occurred. Although in univariable analysis, high blood pressure (BP) component of Mets, GDM/macrosomia, and HDP remained as significant ASCVD-REFs, in the multivariable analysis, only the history of HDP (5.35 (1.22-23.38)) and GDM/macrosomia (3.18 (1.05-9.65)) showed independent risks. During the 15-year follow-up, Mets (1.47 (1.05-2.06)) and its components of high waist circumference (1.40 (1.0-1.95)) and high BP (1.52 (1.07-2.15)) significantly increased the risk. These ASCVD-REFs did not improve discrimination or predictive ability. CONCLUSIONS: In a decade follow-up, only conditions specific for women and in longer follow-up, the presence of Mets perse, and its components of high WC and high BP were shown as significant ASCVD-REFs.
Entities:
Keywords:
American College of Cardiology; Atherosclerotic cardiovascular disease; Risk enhancing factors; The American Heart Association
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