Publications by authors named "Natarajan Vasanthi"

Purpose: Dengue virus infection in humans can also lead to severe complications like dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS). The World Health Organization (WHO) estimates around 50 to 100 million dengue infections annually, with approximately 500,000 cases of DHF and 22,000 deaths, predominantly among children. The present study aimed at identifying circulating serotypes of dengue virus in patients by molecular techniques.

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A 76-year-old male was brought to the emergency room with an acute onset of breathlessness and difficulty swallowing. Examination revealed bilateral ptosis, bilateral vocal cord abductor palsy with diaphragmatic paralysis. He did not have any limb weakness.

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In this modern industrialized era of large-scale production of agrochemicals, various emerging contaminants form the main components of waste water and sludge in most of the developing countries of the world. In this concern, phenol- an inevitable and alarming chemical pollutant in aquatic ecosystem, gains a speedy access into the water bodies as an industrial by-product. Though the detrimental effects of phenol have been studied in various aspects of aquatic life, current study is an initiative to unravel the toxic effects of phenol at molecular level in Cirrhinus mrigala.

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Article Synopsis
  • Phenol is a harmful aromatic chemical prevalent in water from both domestic and industrial sources, negatively impacting aquatic life, including both invertebrates and vertebrates.
  • Sublethal exposure of the fish species Labeo rohita to phenol (22.32 mg/L) over periods of 7, 21, and 28 days resulted in decreased levels of crucial biochemical constituents like lipids, proteins, and carbohydrates in essential organs.
  • The study also revealed that key haematological parameters in Labeo rohita, such as red and white blood cell counts and haemoglobin levels, decreased significantly following extended exposure to phenol, indicating a detrimental impact on the fish's health.
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Background: The current study was performed aiming to evaluate possible changes in the effect on oxygen consumption, hematology and gill histopathological parameters in fish () upon exposure to sublethal concentration of the metalloid arsenic.

Methods: Bioassay tests were conducted for determining the LC values of arsenic for 96 h. Oxygen consumption in control and arsenic-exposed fish was estimated using Winkler's method.

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Karankadu mangrove situated along the Southeast coast of India is known for its unique and extreme species diversity and richness. Ecological functions of this mangrove comprise of nutrient cycling, coastal protection, fish fauna production and carbon sequestration besides providing livelihood to nearby coastal communities. The current study having assessed seasonal fluctuations of various Physico-chemical factors viz.

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Acute toxicity (96 h LC) of phenol was analyzed in the cat fish Mystus vittatus in static bio-assay over a 96-h exposure period using probit method. The 24, 48, 72, and 96 h LC values (with 95% confidence limits) of phenol for fingerling catfish were found out as 13.98, 13.

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Primary pyogenic ventriculitis is more commonly manifested in children. Its presentation in adults due to is rarely reported. It is mainly due to adequate vaccination cover and initiation of appropriate antibiotics.

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Aim Of The Study: To assess the level of knowledge and attitude on insulin therapy in patients with diabetes mellitus in a teaching hospital.

Objectives: 1. To assess the level of knowledge and attitude on insulin therapy among patients with diabetes mellitus.

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Vascular thrombosis is one of the complications of tuberculosis. Deep vein thrombosis and pulmonary thrombosis have been reported with pulmonary and extrapulmonary tuberculosis. Splenic involvement in abdominal tuberculosis is among the rarest manifestations.

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Portal Vein Thrombosis (PVT) is caused by various thrombophilic states. PVT secondary to underlying vasculitis especially Churg-Strauss disease is among the rarest presentation. Here, we report a case of peripheral eosinophilia, eosinophilic ascitis and venous thrombosis involving portal vein and superior mesenteric vein diagnosed as Churg-Strauss Syndrome (CSS).

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Dengue infection can present as febrile illness with thrombocytopenia, dengue shock syndrome and dengue haemorrhagic fever. Neurological manifestation of dengue infection is more predominant in endemic region. Here, we report a case with unusual neurological presentation of dengue infection.

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Objective: To report a case of primary amenorrhoea and to describe an approach to evaluation.

Methods: Primary amenorrhoea can be due to diverse causes and needs detailed and astute evaluation. We report the case of a 17 years old individual born and brought up as a female, who was brought to us with primary amenorrhoea.

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Background & Objectives: Plasma and urinary metanephrines are used as screening tests for the diagnosis of phaeochromocytoma. The recommended cut-off levels are not standardized. This study was conducted to identify a cut-off level for 24 h urinary fractionated metanephrines viz.

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We report the case of a 35-year-old man from North India who presented with generalised tonic-clonic seizures and was found to have ring-enhancing brain lesions. He had a coincident adrenal mass lesion. Cultures from both regions grew Histoplasma capsulatum.

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