Publications by authors named "Ranjan Shetty"

Background: Coronary artery disease (CAD) is a cardiovascular disease which is related to mortality and morbidity among the Indians predominantly in the older age group. But, recently CAD has been found more often in young population. Hence, our study aims to observe the outcomes based on various categories of high density lipoprotein (HDL) cholesterol levels estimated during admission at the hospital and correlate the levels of HDL cholesterol with severity of CAD as measured by Gensini score.

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 The aim is to study the association between imaging findings in chronic pancreatitis and fecal elastase 1 (FE1) in patients with idiopathic chronic pancreatitis (ICP).  In this retrospective study on a prospectively maintained database of patients with ICP, a radiologist blinded to clinical and laboratory findings reviewed CT and/or MRI. Findings were documented according to recommendations of the Consortium for the Study of Chronic Pancreatitis, Diabetes, and Pancreatic Cancer, October 2018.

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Objectives: This study sought to evaluate the 30-day and 1-year safety and performance of the Hydra transcatheter aortic valve (THV) (in the treatment of symptomatic severe aortic stenosis in patients at high or extreme surgical risk.

Background: The Hydra THV is a novel repositionable self-expanding system with supra-annular bovine pericardial leaflets.

Methods: The Hydra CE study was a premarket, prospective, multicenter, single-arm study conducted across 18 study centers in Europe and Asia-Pacific countries.

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Objectives: To evaluate the safety and performance of the Hydra transcatheter aortic valve (THV) in the treatment of symptomatic severe aortic stenosis in patients at high or extreme surgical risk.

Background: The Hydra THV (Vascular Innovations Co. Ltd.

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The present study was conducted to decipher the inter-relationship of SNPs and miRNAs involved in pharmacogenomics of clopidogrel on predisposition to cardiovascular diseases (CVDs). A case-control study was conducted on 410 cases and 386 controls to analyze the association of 13 mirSNPs on CVDs risk. Genotyping was performed by tetra-primer amplification refractory mutation system PCR and validated using Sanger DNA sequencing.

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Aims: To investigate the impact of microRNA target SNPs (mirSNPs) and their interaction with miRNAs on important drug-metabolizing enzymes, transporters and target genes for prediction of clopidogrel drug response in cardiovascular disease individuals.

Main Methods: A prospective cross-sectional study was conducted on 292 individuals undergoing clopidogrel drug therapy. All the enrolled participants were administered 300 mg loading dose followed by 75 mg dose of maintenance therapy.

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Coronary artery disease (CAD) and ischemic stroke are the two most predominant forms of cardiovascular diseases (CVDs) caused by genetic, epigenetic and environmental risk factors. Although studies on the impact of 'epigenetics' in CVDs is not new, its effects are increasingly being realized as a key regulatory determinant that may drive predisposition, pathophysiology and therapeutic outcome. The most widely studied epigenetic risk factors are regulated by DNA methylation and miRNA expression.

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Background: Global left atrial strain (LA) has been used as a novel assessment tool to evaluate left atrial function. However, not much has been investigated to study the effect of percutaneous balloon mitral valvotomy (BMV) in patients with rheumatic severe mitral stenosis on global LA strain. We studied the relationship between global left atrial (LA) strain and severe mitral stenosis and the effect of BMV on LA strain.

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Objectives: The objective of this study was to assess the effects of home-based exercise training (HBET) on function and quality of life (QoL) in patients with pulmonary hypertension (PH).

Methods: A prospective, nonblinded, randomized clinical trial was carried out on 84 medically stable patients with PH belonging to any functional class or etiology and of either sex. Patients were randomized to either standard care or HBET.

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Introduction: Randomized controlled trials, observational studies, and meta-analysis suggest risk of hyperglycemia in patients on statins, and this association is being viewed with renewed interest globally. The present study has tried to explore the possible diabetogenic effect of statins, the mechanism of this effect, and various comorbidities associated with this causation.

Materials And Methods: This cross-sectional study was carried out at the Department of Cardiology from October 2015 to March 2017.

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Background: The aim of the Nanoluté registry was to observe the clinical performance of a novel sirolimus coated balloon (SCB) (Concept Medical Research Private Limited, India) for the treatment of coronary de-novo and restenotic lesions.

Methods: All patients treated with SCB between July 2012 and September 2015 were enrolled at Indian centres and clinically followed for 1, 3, 6 and 12 months post-procedure. Primary endpoints were procedural success and device-oriented adverse cardiac events (DOCE) at 12 months.

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Background: In spite of enormous progress in cardiac care in India, rural communities lack access to even basic cardiac care. One possible solution to this problem is to employ telecardiology.

Objectives: To demonstrate feasibility of telecardiology system to link rural clinics to a teaching hospital.

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Introduction: Amlodipine is a third generation dihydropyridine group of calcium channel blocker and having an excellent antihypertensive profile. Pedal Oedema (PE) is the major drawback of amlodipine therapy and the incidence of Amlodipine Induced Pedal Oedema (AIPE) has been found significantly high. Several neurohumoral factors influence the incidence of oedema.

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Introduction: Hypertension is a major health issue worldwide. Calcium Channel Blockers (CCBs) are the most commonly used antihypertensive agents. CCBs act on voltage-dependent calcium channels and they were categorized into two subclasses, Dihydropyridine (DHP) and non-Dihydropyridine (non-DHP) derivative.

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Introduction: Platelets have been well known contributors in the pathogenesis of cardiovascular disorders such as atherosclerosis and its complications such as acute Myocardial Infarction (MI).

Aim: To study the changes in platelet volume indices and platelet count in ST-Elevated Myocardial Infarction (STEMI) and assess their usefulness in predicting coronary events.

Materials And Methods: A case-control observational study was carried out on 173 cases diagnosed with STEMI and 191 controls from January 2015 to December 2015, considering the inclusion and exclusion criteria.

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Gerbode defects are rare Ventricular Septal Defects (VSD) constituting approximately one percent cases of congenital heart diseases. The genetic predispositions towards the Gerbode Defect (GD) have remained an unexplored area of study till date. We investigated the genotype-phenotype correlation in patients with Gerbode VSD.

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Background & Objectives: Child-Pugh score (CPS) is a widely used prognostic marker in cases of cirrhosis and pulmonary arterial hypertension (PAH). However, the role of this score in the quantification of severity of PAH is not well studied. In mild cases, echocardiography is more sensitive.

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Drug induced cardiac tamponade is rare. Therapy for imatinib resistant Chronic Myeloid Leukaemia (CML) is an emerging challenge in clinical haematology. For such cases treatment with second line tyrosine kinase inhibitors like dasatinib has resulted in improved outcomes.

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Chronic Mesenteric Ischemia (CMI) presenting as acute abdomen can be treated percutaneously. An endovascular intervention has surpassed surgical revascularization over the past decade due to its lesser perioperative complication rate. Trans-femoral approach of revascularising is limited by its difficulty in coaxial alignment of the guiding catheter and hence, brachial artery and recently the radial approach have been utilized for mesenteric artery revascularisation for over a decade.

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Article Synopsis
  • * The case presented involved a patient with a very small Left Atrium (LA) and Left Ventricle (LV), along with an ASD located anteriorly.
  • * The treatment utilized Transoesophageal echocardiography (TEE) for precise interatrial septal puncturing and performed Balloon Mitral Valvotomy (BMV), followed by closing both septal defects with a large device.
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Objectives: Statins by their anti-inflammatory and endothelial stabilizing effect can be beneficial in patients with chronic obstructive pulmonary disease (COPD) and pulmonary hypertension (PH). The present study was done to evaluate the effect of rosuvastatin on pulmonary functions and quality of life (QOL) in patients with concomitant COPD and PH.

Materials And Methods: It was a prospective, randomized, double-blind, placebo-controlled, study conducted in patients with COPD and PH.

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Objective. The objective of the MANIPAL-FLEX study was to evaluate the feasibility, preliminary safety, and efficacy of the Supraflex sirolimus-eluting stent (SES) implantation, in de novo coronary artery disease, using clinical and quantitative coronary angiography (QCA) follow-ups. Methods.

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A 33-year-old woman with no premorbidities presented to us with chest pain and worsening dyspnoea since 1 week. Systemic examination was suggestive of acute pulmonary oedema and preliminary investigations revealed evolved anterior wall myocardial infarction (MI). The patient was stabilised and taken up for angiography which revealed spontaneous coronary artery dissection (SCAD) of the left anterior descending (LAD) artery.

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Introduction: Heart failure is one of the most common heart problems seen in the Indian population. There are various drugs used to prevent further progression of the disease. In India, there are few studies in relation to treatment outcome in a tertiary care hospital.

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Background And Aims: Dynamic parameters such as the respiratory variation in aortic flow peak velocity (ΔVpeak) and inferior vena cava distensibility index (dIVC) are accurate indices of fluid responsiveness in adults. Little is known about their utility in children. We studied the ability of these indices to predict fluid responsiveness in anaesthetised and mechanically ventilated children.

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