Colon cancer laterality is associated with atherosclerosis and coronary artery disease

Journal of Gastrointestinal Oncology
Stephani C WangRadmila Lyubarova

Abstract

Primary right-sided colon cancer (RCC) is associated with a higher mortality than left-sided colon cancer (LCC), but the etiology of this phenomenon remains unclear. We sought to study whether cancer laterality is associated with the prevalence of clinical coronary artery disease, calcific atherosclerosis as measured by computed tomography (CT), and cardiovascular risk factors. We conducted a single center retrospective study of 546 participants who had previously been diagnosed with colon cancer between January 2005 and December 2014. The presence of coronary and aortic calcifications was assessed by CT in 486 of these patients. We examined the prevalence of clinical cardiovascular disease (CAD) (prior myocardial infarction or revascularization), comorbidities, coronary and aortic calcification in patients with RCC (n=261) and LCC (n=285). Logistic regression analysis was performed to assess the likelihood of clinical CAD and calcific atherosclerosis by cancer laterality. Compared to patients with LCC, patients with RCC were more likely to have hypertension, hyperlipidemia, hypothyroidism and clinical CAD. In the patients with available CT scans, RCC was associated with higher prevalence of coronary, thoracic, and abdominal ca...Continue Reading

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