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Ciccarone Articles

Ciccarone Center Research

Year

2012

Landmark Articles

Impact of ancestry and common genetic variants on QT interval in African Americans.
By: Smith JG, Avery CL, Evans DS, Nalls MA, Meng YA, Smith EN, Palmer C, Tanaka T, Mehra R, Butler AM, Young T, Buxbaum SG, Kerr KF, Berenson GS, Schnabel RB, Li G, Ellinor PT, Magnani JW, Chen W, Bis JC, Curb JD, Hsueh WC, Rotter JI, Liu Y, Newman AB, Limacher MC, North KE, Reiner AP, Quibrera PM, Schork NJ, Singleton AB, Psaty BM, Soliman EZ, Solomon AJ, Srinivasan SR, Alonso A, Wallace R, Redline S, Zhang ZM, Post WS, Zonderman AB, Taylor HA, Murray SS, Ferrucci L, Arking DE, Newton-Cheh C, et al.; CARe and COGENT consortia.
This study tested the hypotheses that African ancestry and common genetic variants are associated with prolonged duration of cardiac repolarization, a central pathophysiological determinant of arrhythmia. However, no difference in duration of cardiac repolarization with global genetic indices of African-American ancestry was noted.
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Epidemiology and natural history of peripheral artery disease.
By: Ratchford EV, Salameh MJ.
What is the role of calcium scoring in the age of coronary computed tomographic angiography?
By: Joshi PH, Blaha MJ, Blumenthal RS, Blankstein R, Nasir K.

Available data suggest that in low-to-intermediate risk symptomatic patients, CAC scanning may serve as an appropriate gatekeeper to further testing with either coronary computed tomographic angiography, functional imaging, or invasive coronary angiography.

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Relation of uric acid to serum levels of high-sensitivity C-reactive protein, triglycerides, and high-density lipoprotein cholesterol and to hepatic steatosis.
By: Keenan T, Blaha MJ, Nasir K, Silverman MG, Tota-Maharaj R, Carvalho JA, Conceição RD, Blumenthal RS, Santos RD.
High uric acid levels were associated with increased triglycerides, high-density lipoprotein cholesterol, and hepatic steatosis, independent of metabolic syndrome and obesity, and with increased hsCRP independently of metabolic syndrome.
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Impact of coronary artery calcification on all-cause mortality in individuals with and without hypertension.
By: Graham G, Blaha MJ, Budoff MJ, Rivera JJ, Agatston A, Raggi P, Shaw LJ, Berman D, Rana JS, Callister T, Rumberger JA, Min J, Blumenthal RS, Nasir K.
This study found that the addition of CAC scores contributed significantly in predicting mortality, in addition to traditional risk factors alone, among those with and without hypertension.
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Comparison of allogeneic vs autologous bone marrow–derived mesenchymal stem cells delivered by transendocardial injection in patients with ischemic cardiomyopathy: the POSEIDON randomized trial.
By: Hare JM, Fishman JE, Gerstenblith G, et al.
This study showed that, in aggregate, an injection of mesenchymal stem cells as a therapy for patients with ischemic cardiomyopathy favorably affected their functional capacity, quality of life, and ventricular remodeling.
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Gene-centric meta-analysis of lipid traits in African, East Asian and Hispanic populations.
By: Elbers CC, Guo Y, Tragante V, van Iperen EP, Lanktree MB, Castillo BA, Chen F, Yanek LR, Wojczynski MK, Li YR, Ferwerda B, Ballantyne CM, Buxbaum SG, Chen YD, Chen WM, Cupples LA, Cushman M, Duan Y, Duggan D, Evans MK, Fernandes JK, Fornage M, Garcia M, Garvey WT, Glazer N, Gomez F, Harris TB, Halder I, Howard VJ, Keller MF, Kamboh MI, Kooperberg C, Kritchevsky SB, LaCroix A, Liu K, Liu Y, Musunuru K, Newman AB, Onland-Moret NC, Ordovas J, Peter I, Post W, Redline S, Reis SE, Saxena R, Schreiner PJ, Volcik KA, Wang X, Yusuf S, Zonderland AB, Anand SS, Becker DM, Psaty B, Rader DJ, Reiner AP, Rich SS, Rotter JI, Wilson JG, Keating BJ, et al.
Meta-analyses of European populations has successfully identified genetic variants in over 100 loci associated with lipid levels. This study seeks to expand our knowledge in other ethnicities, which remains limited.
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Coronary artery disease is under-diagnosed and under-treated in advanced lung disease.
By: Reed RM, Eberlein M, Girgis RE, Hashmi S, Iacono A, Jones SP, Netzer G, Scharf S.

Coronary artery disease is a potentially treatable comorbidity observed frequently in both chronic obstructive pulmonary disease and interstitial lung disease. The prevalence of angiographically proven coronary artery disease in advanced lung disease is not well described. We sought to characterize the treatment patterns of coronary artery disease complicating advanced lung disease and to describe the frequency of occult coronary artery disease in this population. Coronary artery disease is common in patients with advanced lung disease attributable to chronic obstructive pulmonary disease or interstitial lung disease and is under-diagnosed. Guideline-recommended cardioprotective medications are suboptimally utilized in this population.

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Racial/ethnic differences in sex hormone levels among postmenopausal women in the diabetes prevention program.
By: Kim C, Golden SH, Mather KJ, Laughlin GA, Kong S, Nan B, Barrett-Connor E, Randolph JF Jr; Diabetes Prevention Program Research Group.

This study found that, among postmenopausal women, there were significant race/ethnicity differences in baseline sex hormones and changes in sex hormones.

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Reductions in glucose among postmenopausal women who use and do not use estrogen therapy.
By: Kim C, Kong S, Laughlin GA, Golden SH, Mather KJ, Nan B, Randolph JF Jr, Edelstein SL, Labrie F, Buschur E, Barrett-Connor E; for The Diabetes Prevention Program Research Group.
Among postmenopausal women who do not use estrogen therapy (ET), we have previously reported that intensive lifestyle modification (ILS) leads to increases in sex hormone-binding globulin (SHBG) and that such increases are associated with reductions in fasting plasma glucose (FPG) and 2-hour postchallenge glucose (2HG). Oral ET decreases FPG and increases 2HG while increasing both SHBG and estradiol (E2). It is unknown if ILS reduces glucose among ET users, if changes in SHBG and E2 might mediate any glucose decreases in ET users, and if these patterns differ from those in non-ET users. We conclude that among glucose-intolerant ET users, interventions to reduce glucose are effective but possibly mediated through different pathways than among women who do not use ET.
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