Publications by authors named "Naval Vikram"

Background: Visceral leishmaniasis (VL) is a neglected tropical disease primarily affecting Brazil, East Africa, and India, with India accounting for 18% of the global burden. While VL typically presents with systemic symptoms like fever, weight loss, and splenomegaly, it can occasionally manifest atypically, posing significant diagnostic challenges. Neurological presentations of VL are extremely rare, making them difficult to suspect and diagnose.

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  • The study investigates young adults in India, focusing on their knowledge of obesity risks, motivation for weight loss, and barriers they face in managing their weight.
  • Six focus group discussions were held with obese young adults aged 18-30, using varied sampling methods to gather diverse insights on obesity.
  • Findings revealed a need for greater awareness about obesity, identified physical appearance and social support as key motivators for weight loss, and suggested a holistic approach including dietary changes and educational reforms to combat obesity among young adults.
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  • Anemia is a common yet often overlooked condition among diabetic patients that negatively impacts blood sugar control and increases the risk of complications.
  • In a study of 97 type 2 diabetes patients, 38.14% were anemic, with significant differences in fasting and postprandial blood sugar levels between anemic and non-anemic individuals.
  • Results indicated a potential link between anemia and liver enzymes, suggesting that dietary patterns may influence both anemia and glycemic control, highlighting the need for further research on dietary habits and iron supplementation in this population.
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Background: Multiple mhealth (mobile health) interventions and mobile applications have been developed to support diabetes self-management. However, most of the apps are developed without the need for assessment and evaluation by experts in the field. This study aimed to design and develop a mobile application (app) supporting diabetes self-management for people with Type 2 Diabetes Mellitus (T2D) using a systematic approach.

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Introduction Non-alcoholic fatty liver disease (NAFLD) has become a widespread cause of chronic liver disease, ranging from simple steatosis to severe conditions like non-alcoholic steatohepatitis (NASH) and cirrhosis. Despite its similarity to alcohol-induced liver damage, NAFLD affects individuals with no significant alcohol consumption. This study explores the association between NAFLD, bone mineral density (BMD), insulin resistance, and subclinical inflammation, focusing on the Asian Indian population.

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  • Bartter syndrome is a genetic disorder linked to specific electrolyte imbalances, often identified in infancy, but can also be triggered by certain medications, known as acquired Bartter syndrome.
  • Drugs such as polymyxins and aminoglycosides are the primary culprits, with polymyxin B and colistin being common, the latter having a higher risk of kidney damage.
  • A case study of a middle-aged man illustrates that discontinuing polymyxin B resolved his Bartter syndrome symptoms, which returned when the drug was reintroduced, highlighting careful monitoring required with this medication.
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A male patient in his early 40s presented to the emergency department with an acute onset of respiratory distress and facial oedema, indicative of anaphylaxis. These symptoms emerged 2 hours subsequent to a wasp sting on the left side of his face. Despite initial stabilisation, the patient's state deteriorated into somnolence and disorientation.

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Background: Dietary intake is an important factor in the development and management of non-alcoholic fatty liver disease (NAFLD) however, optimal food group composition remains unclear. Data on detailed food group intake of NAFLD patients from India is scarce.

Methods & Materials: In this study with 320 participants (160 NAFLD cases and 160 controls), dietary habits were assessed using a 24-h dietary recall for two days and a validated 142-item food frequency questionnaire over the past year.

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Increased susceptibility to bacterial infections like tuberculosis (TB) is one of the complications of type 2 diabetes, however the underlying mechanisms remains poorly characterized. To explore how chronic hyperglycemia in diabetes affects progression of active TB, we examined mRNA expression of M1 (proinflammatory) and M2 (anti-inflammatory) cytokines/markers, in monocyte-derived macrophages obtained from patients with PTB + DM (pulmonary TB + diabetes mellitus type 2), patients with DM alone, patients with PTB alone, and healthy individuals (controls). Our findings indicate a dysregulated cytokine response in patients with both PTB and DM, characterized by decreased expression levels of interferon-gamma (IFN-γ) and inducible nitric oxide synthase (iNOS), along with increased expression levels of interleukin-1 beta (IL-1β) and CD206.

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Background: Activated platelets secrete platelet factor 4 (PF4), which contributes to viral pathogenesis. Recently, we reported the proviral role of PF4 in replication of closely related flaviviruses, Japanese encephalitis virus (JEV) and dengue virus (DENV).

Objectives: This study aimed to investigate the detailed mechanism of PF4-mediated virus replication.

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  • Severe dengue, caused by the dengue virus, is a significant global health issue tied to uncontrolled immune cell activation and excessive inflammation.
  • This research indicates that immune responses in severe dengue could arise from direct virus interactions or through extracellular vesicles (EVs) from infected cells, which have not been thoroughly studied yet.
  • The study finds that EVs from the plasma of severe dengue patients may suppress CD4+ T cell activity, possibly aiding in the progression of the disease.
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Objectives: Changes in skeletal muscle mass and quality are associated with type 2 Diabetes (T2D) and its complications. We evaluated the prevalence of sarcopenia in patients with T2D and its association with various anthropometric and metabolic parameters.

Methods: A total of 229 patients with T2D, ≥20-60 years, were screened for sarcopenia using handgrip strength (HGS) by dynamometer, physical performance test (by Short Physical and chair stand test), and height-adjusted appendicular skeletal muscle index (ASMI) by Dual Energy X-ray Absorptiometry (DXA) applying Asian Working Group on Sarcopenia (AWGS).

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Background/purpose: This study aims to assess lifestyle-related factors such as diet, physical activity and sleep along with common myths, beliefs, and barriers to a healthy lifestyle and resultant postpartum weight retention. It has also explored the association of the aforementioned factors with socio-demographic variables.

Methods: A cross-sectional survey was conducted using a comprehensive pre-validated questionnaire on a convenience sample of postpartum women using a telephonic interview schedule.

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Introduction: Patients on central lines are often having multiple morbidities, and invasive devices provide a niche for biofilm formation, which makes central line-associated bloodstream infections (CLABSIs), a serious concern in health-care settings, as the infections difficult to treat. In this study, we evaluated the common bacteria causing CLABSI, and various patient and pathogen factors affecting the clinical outcome.

Methods: In the prospective observational study, patients diagnosed with CLABSI were recruited.

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Most drugs used in the treatment of Tuberculous Meningitis have limited CNS penetration thereby limiting efficacy. CSF penetration of linezolid is 80-100%.The study was a prospective, randomized, open label with blinded outcome assessment pilot trial carried out in patients with TBM.

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Multiple parallel factors are frequently interrogated with various toxic radicals which are abundantly generated in the liver, heart, and pancreas in stress conditions. They are actively involved in the development of diabetes and metabolic aberrations. However, whether over-activation of GDF-15mRNA and influxes of iron-by-iron trafficking genes are directly suppressing the Nrf-2 gene in patients with diabetes and metabolic aberrations in context with undiagnosed individuals with diabetes and metabolic aberrations? Therefore, we have investigated inter and intra- related Zip8/14 mRNA, GDF-15mRNA, and Nrf-2 mRNA expressions in diabetes and metabolic syndrome as it is expected to be up to 134 million by 2045 in India.

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Background: Abdominal bloating is a common complaint in patients with functional and organic bowel disease. Rifaximin, a nonabsorbable antibiotic, has been tried for the treatment of this disease. We performed a systematic review and meta-analysis to study the efficacy of rifaximin in abdominal bloating and distension in patients with functional gastrointestinal disorders (FGID).

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Mucormycosis is a fungal infection of the sinuses, brain and lungs that is the cause of approximately 50% mortality rate despite the available first-line therapy. Glucose-Regulated Protein 78 (GRP78) is already reported to be a novel host receptor that mediates invasion and damage of human endothelial cells by and , the most common etiologic species of Mucorales. The expression of GRP78 is also regulated by the levels of iron and glucose in the blood.

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Background And Aims: Type 2 diabetes (T2DM) is a chronic disease that requires continuous management and daily self-care activities. The purpose of the study was to identify the barriers and facilitators in dietary and physical activity management of T2DM by patients.

Method: Two focus group discussions with patients with T2DM (n = 12) and interviews with healthcare providers (HCPs, n = 15) were done, to identify the barriers and facilitators experienced by patients towards lifestyle management in T2DM.

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Background: , a unique parasite, can cause mortal disease even years after the exposure. Iatrogenic use of steroids can complicate asymptomatic infections to a life-threatening hyperinfection and/or disseminated infection. Data regarding seroprevalence of strongyloidiasis remains scarce and this knowledge gap needs due attention in many endemic countries including India.

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  • - The study investigates the Ala54Thr polymorphism of the FABP-2 gene, which is connected to lipid metabolism, particularly focusing on its impact on triglyceride levels in hyperlipidemic Asian Indians from North India.
  • - By analyzing groups of hyperlipidemic and normolipidemic individuals, the research found no significant differences in the distribution of the Ala54Thr genotypes between the two groups, but the heterozygous genotype was linked to higher triglyceride and VLDL levels.
  • - Ultimately, the findings suggest that the heterozygous FABP-2 Ala54Thr genotype could be a contributing risk factor for hypertriglyceridemia among this population.
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Background: People from all over the world have been affected by the COVID-19 (SARS-CoV-2) pandemic. The lockdown during the pandemic has impacted the lifestyle of most of the population. The aim of the present study is to compare the effect of COVID lockdown-1 and lockdown-2 on the lifestyle of the obese Indian population.

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