Methodist Journal

FEATURED GUEST EDITOR

ISSUE INTRO

The Burgeoning Field of Cardio-Oncology

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RECOGNITIONS

Barry H. Trachtenberg Leads Issue on Cardio-Oncology

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REVIEW ARTICLES See More

Heart Failure in Relation to Anthracyclines and Other Chemotherapies

Heart Failure in Relation to Tumor-Targeted Therapies and Immunotherapies

The Role of Cardiovascular Imaging and Serum Biomarkers in Identifying Cardiotoxicity Related to Cancer Therapeutics

Prevention and Treatment of Chemotherapy-Induced Cardiotoxicity

Cardiovascular Toxicities of Radiation Therapy

Electrophysiologic Complications in Cancer Patients

Vascular Toxicity in Patients with Cancer: Is There a Recipe to Clarify Treatment?

Future Directions in Cardio-Oncology

CASE REPORTS See More

A Rare Case of Pancreatitis-Induced Thrombosis of the Aorta and Superior Mesenteric Artery

Anomalous Origin of the Right Coronary Artery from the Left Main Coronary Artery in the Setting of Critical Bicuspid Aortic Valve Stenosis

Simultaneous Transfemoral Mitral and Tricuspid Valve in Ring Implantation: First Case Report with Edwards Sapien 3 Valve

Uneventful Follow-Up 2 Years after Endovascular Treatment of a High Flow Iatrogenic Aortocaval Fistula Causing Pulmonary Hypertension and Right Heart Failure

MUSEUM OF HMH MULTIMODALITY IMAGING CENTER See More

Do Not Pass Flow: Microvascular Obstruction on Cardiac Magnetic Resonance After Reinfarction Following Primary Percutaneous Coronary Intervention

CLINICAL PERSPECTIVES See More

EXCERPTA

Cardio-Oncology, Then and Now: An Interview with Barry Trachtenberg

POINTS TO REMEMBER

Onconephrology: An Evolving Field

POINTS TO REMEMBER

Herbal Nephropathy

EXCERPTA

Rolling the Dice on Red Yeast Rice

EDITORIALS

Letter to the Editor in Response to “Cardiac Autonomic Neuropathy in Diabetes Mellitus”

Vol 10, Issue 1 (2014)

Article Full Text

REVIEW ARTICLES

Genetics of Coronary Artery Disease: An Update

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Article Citation:

Robert Roberts. Genetics of Coronary Artery Disease: An Update. Methodist DeBakey Cardiovascular Journal: January 2014, Vol. 10, No. 1, pp. 7-12.

doi: https://doi.org/10.14797/mdcj-10-1-7

Abstract

In 2007, the first genetic risk variant, 9p21, was simultaneously discovered by two independent groups. 9p21 increases the risk of coronary artery disease in individuals with premature heart disease by twofold, and in the overall population the heterozygote is associated with a 25% increased risk and the homozygote with a 50% increased risk. It is of note that the risk mediated by 9p21 is independent of known risk factors. Since then, with the development of new technologies and the international consortium of CARDIoGRAM, there is now a total of 50 genetic risk variants confirmed and replicated for CAD. Of these 50, 35 mediate their risk by unknown mechanisms, indicating that the pathogenesis of atherosclerosis and myocardial infarction is due to additional factors as yet unknown. The role of genetic risk factors in the management of CAD is yet to be determined. Since many of them are independent of known risk factors, the genetic risk will in the future have to be incorporated into the guidelines, which recommend the target level of plasma LDL-C to be achieved based on the number of risk factors.

Keywords
single nucleotide polymorphisms , genome , GWAS , genome-wide association studies , genetic risk variants , coronary artery disease

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