Publications by authors named "Raja D"

Background: Left bundle branch pacing (LBBP) has emerged as a safe and effective alternative to right ventricular pacing. Traditionally, LBBP is performed with lumenless lead (LLL); however, the use of stylet-driven lead (SDL) is on rise. We aimed to assess acute success and procedural outcomes of SDL versus LLL for LBBP.

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Angiogenesis is a crucial molecular driver of fibrosis in various inflammatory lesions. Oral submucous fibrosis (OSMF) is a chronic inflammatory fibrotic disorder with malignant potential. The angiogenetic pathways in OSMF remain obscure due to limited research, necessitating an in-depth review.

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The direct utilization of carbon dioxide as an ideal one-carbon source in value-added chemical synthesis has garnered significant attention from the standpoint of global sustainability. In this regard, the photo/electrochemical reduction of CO into useful fuels and chemical feedstocks could offer a great promise for the transition to a carbon-neutral economy. However, challenges in product selectivity continue to limit the practical application of these systems.

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Background Prostate disorders, including benign enlargement and malignancy, are commonly evaluated through imaging techniques. Historically, transrectal ultrasound (TRUS) has been used for prostate imaging and biopsy. However, multiparametric MRI (mpMRI), which integrates structural and functional imaging methods, offers enhanced diagnostic capabilities.

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Article Synopsis
  • The study focuses on the distribution of Hepatitis C virus (HCV) genotypes in Assam, north-east India, particularly in high-risk groups, to better understand virus evolution and improve antiviral drug development.
  • The primary findings reveal that HCV genotype 3 is the most prevalent (95.89%), with injecting drug use being the main risk factor (74.31%) among infected individuals, who averaged 30 years old.
  • This research is significant as it reports the presence of HCV genotype 8 for the first time from Assam and underscores the growing concern of HCV infections and co-infections with HIV among young adults, highlighting the need for improved prevention strategies.
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Objectives: Bacterial infections are a noteworthy global health concern that necessitates the development of new strategies to enhance the potency and efficacy of antibiotics. Rifaximin (RFX), a broad-spectrum antibiotic, exhibits promising antibacterial activity against several bacterial strains. However, its insolubility and impermeability impede the exploitation of its full potential.

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  • During left bundle branch area pacing (LBBAP), the shape of the paced QRS complex can change based on where the pacing occurs, and its relation to patient outcomes is not fully understood.
  • This study involved 59 heart failure patients with nonischemic cardiomyopathy, assessing how variations in the QRS morphology influenced their heart function, particularly the left ventricular ejection fraction (LVEF).
  • Key findings showed that specific QRS morphologies (qR type) and certain pacing test results were linked to improved heart function, while a prolonged R-wave peak time did not effectively predict outcomes; nonresponsive patients often experienced more severe changes in their QRS readings over time.
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  • * 77 patients participated, with genetic testing revealing a 31% diagnostic yield; some patients had variants of uncertain significance, while others did not have identifiable genetic variants.
  • * The findings highlight the importance of genetic testing for guiding treatment and follow-up in inherited heart diseases, recommending that such testing be conducted in specialized clinics with proper counseling and family screening.
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Arrhythmogenic cardiomyopathy (ACM), characterized by fibro or fibrofatty infiltration of the myocardium with a predominant arrhythmic presentation, is a genetically mediated cause of sudden cardiac death in the young and athletic individuals. We report a case of a severe form of biventricular ACM in a middle-aged man with a family history of cardiomyopathy-related young death. The proband was identified to harbor two novel mutations in the DES and DOLK genes and was managed comprehensively with a multidisciplinary team approach.

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Despite progress in reducing the infant mortality in India, the neonatal mortality decline has been slower, necessitating concerted efforts to achieve Sustainable Development Goal-3. A promising strategy aiming to prevent neonatal sepsis in high-risk, vulnerable, low birth weight neonates through an innovative intervention includes probiotic supplementation. This article communicates the decision by the ProSPoNS trial investigators to establish a Central Endpoint Adjudication Committee (CEAC) as an addendum to the protocol published in Trials in 2021 for the purpose of clarifying the primary outcome.

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Background: Implication of infection in etiology of psychotic disorders is an area of interest.

Aim: We aimed to explore the relationship between and psychotic disorders in a preliminary study.

Materials And Methods: immunoglobulin M (IgM) and immunoglobulin G (IgG) antibodies were measured in a sample of patients with psychotic disorders, first-degree relatives (FDR), and healthy volunteers (HV) and compared.

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Benzalkonium chloride (BKC), chloroxylenol (PCMX) and chlorhexidine gluconate (CHG) are widely recognized biocidal compounds that require precise control and monitoring in various applications, including cosmetics, hygiene, health and ophthalmic products. In this study, we present a straightforward and highly sensitive high-performance liquid chromatographic (HPLC) method for the detection of these substances. The HPLC method we developed allows for the detection of BKC at concentrations as low as 1.

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Background Intimate partner violence is one of the major problems experienced by women all over the world. Almost one in three women have experienced one or more forms of violence at least once in their lifetime. These estimates confirm that physical and sexual intimate partner violence remains pervasive in the lives of women across the globe.

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Heart failure (HF) presents a significant global health challenge recognised by frequent hospitalisation and high mortality rates. The assessment of left ventricular (LV) ejection fraction (EF) plays a crucial role in diagnosing and predicting outcomes in HF, leading to its classification into preserved (HFpEF), reduced (HFrEF), and mildly reduced (HFmrEF) EF. HFmrEF shares features of both HFrEF and HFpEF but also exhibits distinct characteristics.

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Article Synopsis
  • Infranodal Wenckebach is a rare type of atrioventricular (AV) block, and this study aimed to explore its clinical and electrophysiological characteristics in patients needing permanent ventricular pacing.
  • The study included 163 patients, finding that 13.4% had AV Wenckebach, with 7.3% specifically classified as infranodal, which showed distinct patterns compared to AV nodal Wenckebach.
  • Key results indicated that infranodal Wenckebach patients had more severe heart function issues, longer conduction intervals, and specific electrocardiographic features, marking it as a significant finding for those needing pacemaker implantation.
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We herein present an exceptionally rare instance of a unicommissural unicuspid aortic valve (UAV) manifesting with an aneurysmal ascending aorta complicated by a type A aortic dissection .

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Background: Endocardial electrogram (EGM) characteristics in nonischemic cardiomyopathy (NICM) have not been explored adequately for prognostication.

Objective: We aimed to study correlation of bipolar and unipolar EGM characteristics with left ventricular ejection fraction (LVEF) and ventricular tachycardia (VT) in NICM.

Methods: Electroanatomic mapping of the left ventricle was performed.

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Well conducted clinical trials are the mainstay for generating evidence on preferred treatments. In order to adequately protect the interests of the trial participants, the Central Licensing Authority of India has formulated guidelines to determine the quantum of compensation in cases of regulatory clinical trial related injury or death. However, these guidelines do not address the nuances of trials recruiting children aged under 16 years, within which, neonates are the most vulnerable population.

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A reliable, rapid, and inexpensive nano-sized chemosensor is presented for methamidophos (MET) - an insecticide. Poly(lactic acid) (PLA)-stabilized gold nanoparticles (AuNPs) were synthesized by a simple one-pot, two-phase chemical reduction method. The synthesized PLA-AuNPs were subsequently employed for selective, efficient, and quantitative detection of MET.

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Urothelial Carcinoma of Bladder is complex disease with high mortality and recurrence rates. Current standard regimes have exhibited anti-tumor activity but still, a proportion of patients are non-responsive or in-eligible to receive such treatments. Immune checkpoints have emerged as potential class of therapeutics to be tested in UCB patients.

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