Publications by authors named "Naveen Kumar C"

Background: Non-adherence to medication leading to a break in continuity of care poses significant challenges in severe mental illness (SMI), leading to poor outcomes. In India, proxy consultation, wherein caregivers consult on behalf of patients, is a commonly adopted but insufficiently researched area to address these challenges.

Aims: To explore the extent of proxy consultation in outpatient care of persons with SMI and investigate its sociodemographic and clinical correlates.

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Article Synopsis
  • - The study investigates why individuals with schizophrenia and their caregivers often do not seek psychiatric treatment, identifying various barriers to access.
  • - Researchers interviewed 67 individuals with schizophrenia and their families, using a tool called SOFIAc, and found 10 factors that contributed to their lack of access to treatment.
  • - Key barriers included distance to treatment centers, knowledge and attitudes towards psychosis, financial issues, lack of insight into their condition, and family support dynamics, highlighting the complex nature of the problem.
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Background: Many psychiatric patients continue to stay for longer duration in psychiatric institutions. Community reintegration and rehabilitation of such patients needs to be explored to ensure appropriate bed occupancy rates and access to in-patient care for newer patients in need of the same.

Objectives: The aim is to identify the risk and protective factors leading to long-term admission of mentally ill patients in tertiary care hospital.

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  • - The study investigated how resilience affected the quality of life of nursing students during the COVID-19 pandemic, noting a gap in research on this specific group.
  • - Conducted with 268 nursing students from three universities in South India, the research used a web-based survey to gather data in June 2021.
  • - Results showed that while participants had normal levels of resilience, it moderately impacted their quality of life, with significant differences based on year of education and university, emphasizing the need to boost resilience for better student well-being.
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Epidural volume extension involves injection of normal saline into the epidural space soon after an intrathecal injection, with the aim of augmenting the sensory block height. It has significant dose-sparing effect, providing adequate level of anaesthesia and analgesia with minimal haemodynamic disturbances. We present this case series that shows the successful use of this technique in high risk cardiac patients coming for elective lower segment caesarean section.

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Background: Intimate partner violence (IPV) is one of the major public health problems. Little is known about the extent of violence experienced, its severity, or history of childhood abuse or exposure to intergenerational family violence in women with mental illness.

Methods: One hundred women seeking in-patients (IP) or out-patients (OP) services at a tertiary care psychiatric setting were recruited using consecutive sampling.

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Background: Covert administration of medication (CoAdM) by caregivers to persons with severe mental illness (SMI) is a commonly observed medication delivery practice in India.

Aims: This study aims to examine different medication delivery practices adopted by caregivers to provide care to SMI at times of medication refusal.

Method: This study was conducted at the outpatient department between April 2019 and November 2019.

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Background: In developing countries like India, many women with mental illness are residing in shelter care homes (SCHs) without their wish. SCHs are residential facilities provided to the socially and economically backward women for free of cost. These facilities are funded by government or voluntary organizations.

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Corona virus disease (COVID-19) has been declared as a controllable pandemic by the World Health Organization (WHO). COVID-19 though is a predominantly respiratory illness; it can also affect brain and other organs like kidneys, heart and liver. Neuropsychiatric manifestations are common during viral pandemics but are not effectively addressed.

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Unlabelled: In India, expenditure incurred to access mental health services often drives families to economic crisis. Families of Persons with mental illness (PMI) incur 'out-of-pocket' (OOP) expenditure for medicines, psychiatrist fee and travel in addition to losing wages on the day of visiting psychiatrist.

Aim: To describe impact of Community Based Rehabilitation (CBR) on OOP expenditure incurred by families of persons with severe mental illness (PSMI).

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Background: Deficient mirror neuron system (MNS)-activity is associated with social cognition deficits in schizophrenia. However, it is not known how socio-emotional contexts modulate the MNS-response. In a Transcranial Magnetic Stimulation (TMS)-experiment, we aimed to compare putative MNS-responses to action observation stimuli with and without a context, in patients with schizophrenia and healthy subjects.

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Background: Electroconvulsive therapy (ECT) causes acute changes in cerebral perfusion and oxygenation. Near-infrared spectroscopy is a novel, noninvasive technique to assess cerebral oxygen saturation (cSO2). We hypothesized that cSO2 increases during ECT and more so with atropine premedication and decreases when systemic desaturation (peripheral oxygen saturation <90%) occurs during ECT.

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Objectives: Electroconvulsive therapy (ECT) results in significant cardiovascular changes. The acute cardiac autonomic changes during ECT remain unexplored. The primary objective of this study was to compare autonomic dysfunction with and without atropine premedication during ECT and secondarily to evaluate dysautonomia across psychiatric diagnoses before and after ECT.

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Objective: To compare the short term anti-schizophrenic efficacy and side effect profile of aripiprazole with risperidone.

Methodology: The study was a non-randomized, naturalistic, rater blinded, prospective, 8-12 weeks, comparative trial between the risperidone and aripiprazole in patients with schizophrenia. Patients already getting treatment with aripiprazole (10 to 30 mg/day) or risperidone (3 to 8mg/day) were recruited.

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The approval of bedaquiline to treat tuberculosis has validated adenosine triphosphate (ATP) synthase as an attractive target to kill Mycobacterium tuberculosis (Mtb). Herein, we report the discovery of two diverse lead series imidazo[1,2-a]pyridine ethers (IPE) and squaramides (SQA) as inhibitors of mycobacterial ATP synthesis. Through medicinal chemistry exploration, we established a robust structure-activity relationship of these two scaffolds, resulting in nanomolar potencies in an ATP synthesis inhibition assay.

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Article Synopsis
  • Researchers used whole cell screens to find new spiropiperidine compounds with strong anti-tuberculosis activity against Mycobacterium tuberculosis under both replicating and non-replicating conditions.
  • Three main classes of compounds were identified based on their structures: spiroindenes, spirochromenes, and spiroindolones, with spiroindenes showing significant effectiveness against replicating bacteria.
  • Genetic analysis of resistant mutants revealed a mutation linked to drug resistance, and further studies indicated that spiroindolones could provide new avenues for tuberculosis drug development with improved properties.
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Scaffold hopping from the thiazolopyridine ureas led to thiazolopyridone ureas with potent antitubercular activity acting through inhibition of DNA GyrB ATPase activity. Structural diversity was introduced, by extension of substituents from the thiazolopyridone N-4 position, to access hydrophobic interactions in the ribose pocket of the ATP binding region of GyrB. Further optimization of hydrogen bond interactions with arginines in site-2 of GyrB active site pocket led to potent inhibition of the enzyme (IC50 2 nM) along with potent cellular activity (MIC=0.

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Background: Sensory distortions of body image commonly occur during migraine, seizures, nondominant cortical infarcts and hallucinogen abuse.

Methods: We report the case of a 30-year-old woman with paranoid schizophrenia presenting with postpartum onset multimodal sensory distortions in the absence of any neurological disorders or substance use.

Results: Her symptoms involved persistent facial/body metamorphopsia (distorted images) and vocal paracousis (distorted voices), in the absence of visual hallucinations, illusions or agnosia.

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Knowledge about SC (social cognition) during remission would inform us whether such deficits are trait- or state-markers of the disorder, as well as highlight its relevance for rehabilitation. We aimed to compare SC deficits and their relative independence from NC (neuro-cognition) deficits in remitted schizophrenia patients and matched health controls using comprehensive, culturally sensitive standardized tools. 60 schizophrenia patients meeting modified standardized criteria for remission and 60 age, gender and education matched healthy controls were compared on culturally validated tests of SC-Social Cognition Rating Tool in Indian Setting (SOCRATIS) & Tool for Recognition of Emotions in Neuropsychiatric Disorders (TRENDS) to assess theory of mind, attributional bias, social perception and emotion recognition and NC-(attention/vigilance, speed of processing, visual and verbal learning, working memory and executive functions).

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Social cognition is a cognitive domain that is under substantial cultural influence. There are no culturally appropriate standardized tools in India to comprehensively test social cognition. This study describes validation of tools for three social cognition constructs: theory of mind, social perception and attributional bias.

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Background: Several studies show that bifrontal electrode placement produces relatively fewer cognitive adverse effects than bitemporal placement during electroconvulsive therapy (ECT) in depression. There are no reports comparing these electrode placements in schizophrenia.

Objectives: This study compared the clinical and cognitive effects of bifrontal and bitemporal electrode placements in schizophrenia patients referred for electroconvulsive therapy (ECT).

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The regulations of the NO and PGE(2) productions are research topics of interest in the field of anti-inflammatory drug development. In the present study, 5,6,7-trimethoxy- and 5,6,7-trihydroxyflavones 3a-3g were synthesized from cinnamic acid derivatives. In particular, 4'-bromo-5,6,7-trimethoxyflavone (3b) most potently inhibited the productions of NO and PGE(2) in LPS-treated RAW 264.

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Objective: To carry out an audit reviewing the utilization of psychiatric services and types of disorders presenting to a tertiary care psychiatry hospital in a developing Asian country.

Method: Consecutive adult patients who came for detailed consultation in 1 year were included in this study. A senior consultant psychiatrist reconfirmed the diagnosis in each patient who underwent detailed psychiatric evaluation.

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