Publications by authors named "Shailesh Nandish"

Background: Transaortic flow, maximum velocity (V max), mean gradient (MG), left ventricular ejection fraction (LVEF), Aortic valve area (AVA) and dimensional index (DI) are important determinants of prognosis in patients with severe aortic stenosis. The specific role of these echocardiography-derived values in predicting prognosis of severe aortic stenosis patients undergoing Transcatheter aortic valve replacement (TAVR) is less defined.

Methods: We identified all severe AS patients who underwent TAVR between 01/2012 and 6/2016.

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Spontaneous coronary artery dissection (SCAD) is a rare cause of acute coronary syndrome. In the literature, more than 1,200 cases of SCAD have been reported, with a low rate of recurrent spontaneous coronary artery dissection (r-SCAD) described in only 63 cases. Among these patients with r-SCAD, just three cases had three separate episodes of dissection and all were in women.

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The incidence of vascular access site related complications ranges between 0.8 % to 1.8 % of diagnostic cardiac catheterization and up to 9 % of percutaneous coronary interventions (PCI) [1].

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The role of cardiovascular risk reduction in patients with diabetes mellitus is significant as several factors have been found to promote accelerated atherosclerosis in persons with diabetes including hyperglycemia-induced endothelial dysfunction, impaired fibrinolysis, increased platelet aggregation, plaque instability, dysfunctional arterial remodeling, and fibrotic and calcified coronary arteries. Recent attention has focused on identifying a cardiovascular biomarker that would propose a better noninvasive way to detect or visualize subclinical cardiovascular disease and prevent cardiovascular events. This article reviews the use of commonly used cardiovascular risk assessment tools and emerging biomarkers including coronary artery calcium scanning, metabolomics, genomics, and the role of optimal revascularization and risk reduction strategies and their impact on reducing risk in patients with cardiovascular disease and diabetes.

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As a result of ambiguous results from several recent trials in diabetes, scrutiny has focused on the potential effects of insulin and its role in atherosclerosis. This article reviews the premise that anti-diabetes therapy (type 2 diabetes) with insulin causes vascular impairment that leads to atherothrombosis and compromises vascular integrity, which may further potentiates cardiovascular morbidity and mortality. Underlying mechanisms are discussed, including metabolic derangements (blood pressure, lipids, body weight, and glucose) and how these factors trigger insulin-like growth factor (IGF) receptors, leading to cancer.

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The global epidemic of diabetes mellitus (~95% type 2 diabetes) has been fueled by a parallel increase in obesity and overweight. Together, these metabolic disease epidemics have contributed to the increasing incidence and prevalence of cardiovascular disease. The accumulation of metabolic and cardiovascular risk factors in patients with type 2 diabetes--risk factors that may exacerbate one another--complicates treatment.

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Recent studies have failed to show an improvement in cardiovascular mortality with intensive glycemic control and aggressive glycated hemoglobin (A(1c)) targets less than 7.0%. Excessive hypoglycemic episodes with intensive glucose-lowering therapy are thought to be a major factor in the failure to show cardiovascular benefit in these trials.

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The effect of thiazolidinediones (TZDs) on the progression of atherosclerosis in diabetes patients remains unclear. There has been heightened interest in recent years in this class of diabetes medications due to the non-glycemic lowering effects, such as altering lipids, inflammation and hematologic profiles. There have been several exciting studies over the past few years focused on the mechanism of action of the TZDs with respect to alteration in the cardio-metabolic profile in diabetes patients.

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Thrombotic complications in patients with nephrotic syndrome are attributed to a hypercoagulable state. Venous thrombosis is common, but arterial thrombosis occurs less frequently in adult nephrotic patients. We report a case of recurrent transient ischemic attacks as an initial manifestation of nephrotic syndrome due to early-stage membranous glomerulonephritis, review the literature for similar cases, and briefly discuss this potentially life-threatening condition.

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