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https://www.readbyqxmd.com/read/29751893/dynamics-of-dengue-disease-with-human-and-vector-mobility
#1
Murali Krishna Enduri, Shivakumar Jolad
Dengue is a vector borne disease transmitted to humans by Aedes aegypti mosquitoes carrying virus of different serotypes. Dengue exhibits complex spatial and temporal dynamics, influenced by various biological, human and environmental factors. In this work, we study the dengue spread for a single serotype (DENV-1) including statistical models of human mobility with exponential step length distribution, by using reaction-diffusion equations and Stochastic Cellular Automata (SCA) approach. We analyze the spatial and temporal spreading of the disease using parameters from field studies...
June 2018: Spatial and Spatio-temporal Epidemiology
https://www.readbyqxmd.com/read/29743764/definition-of-terms-used-in-limitation-of-treatment-and-providing-palliative-care-at-the-end-of-life-the-indian-council-of-medical-research-commission-report
#2
Naveen Salins, Roop Gursahani, Roli Mathur, Shivakumar Iyer, Stanley Macaden, Nagesh Simha, Raj Kumar Mani, M R Rajagopal
Background: Indian hospitals, in general, lack policies on the limitation of inappropriate life-sustaining interventions at the end of life. To facilitate discussion, preparation of guidelines and framing of laws, terminologies relating to the treatment limitation, and providing palliative care at the end-of-life care (EOLC) need to be defined and brought up to date. Methodology: This consensus document on terminologies and definitions of terminologies was prepared under the aegis of the Indian Council of Medical Research...
April 2018: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29728889/comparative-evaluation-of-soft-and-hard-tissue-changes-following-endosseous-implant-placement-using-flap-and-flapless-techniques-in-the-posterior-edentulous-areas-of-the-mandible-a-randomized-controlled-trial
#3
Divya Kumar, G Sivaram, B Shivakumar, Tss Kumar
BACKGROUND: Dental implant-supported restorations have long been used as a successful modality for replacing missing teeth. There are two well-established methods of implant placement. The traditional approach to implant surgery involves raising a mucoperiosteal flap and the alternative approach does not involve reflecting a flap, each having its own advantages and disadvantages. The purpose of the present study was to compare and evaluate the soft and hard tissue changes around endosseous implants placed using flap and flapless surgery in mandibular posterior edentulous sites over a period of time...
May 5, 2018: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29727385/secondary-prophylaxis-of-hepatic-encephalopathy-in-cirrhosis-of-liver-a-double-blind-randomized-controlled-trial-of-l-ornithine-l-aspartate-versus-placebo
#4
Shivakumar Varakanahalli, Barjesh C Sharma, Siddharth Srivastava, Sanjeev Sachdeva, Amol S Dahale
BACKGROUND AND AIMS: Hepatic encephalopathy (HE) is associated with a poor prognosis. There is no study on the prevention of recurrence of encephalopathy with L-ornithine L-aspartate (LOLA). PATIENTS AND METHODS: We conducted a double-blind randomized controlled trial at a tertiary center. Consecutive patients with cirrhosis who had recovered from HE were randomized to receive LOLA (6 g thrice daily) or similar amount of placebo by computer-based randomization for 6 months...
April 30, 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29720095/addressing-knowledge-gaps-and-prevention-for-tuberculosis-infected-indian-adults-a-vital-part-of-elimination
#5
Andrea DeLuca, Gauri Dhumal, Mandar Paradkar, Nishi Suryavanshi, Vidya Mave, Rewa Kohli, Shri Vijay Bala Yogendra Shivakumar, Vidula Hulyolkar, Archana Gaikwad, Ashwini Nangude, Geeta Pardeshi, Dileep Kadam, Amita Gupta
BACKGROUND: India plans to eliminate tuberculosis (TB) by 2025, and has identified screening and prevention as key activities. Household contacts (HHCs) of index TB cases are a high-risk population that would benefit from rapid implementation of these strategies. However, best practices for TB prevention and knowledge gaps among HHCs have not been studied. We evaluated TB knowledge and understanding of prevention among tuberculin skin-test (TST) positive HHCs. While extensive information is available in other high-burden settings regarding TB knowledge gaps, identifying how Indian adult contacts view their transmission risk and prevention options may inform novel screening algorithms and education efforts that will be part of the new elimination plan...
May 2, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29705765/practice-of-ventilation-in-middle-income-countries-provent-imic-rationale-and-protocol-for-a-prospective-international-multicentre-observational-study-in-intensive-care-units-in-asia
#6
Luigi Pisani, Anna Geke Algera, Ary Serpa Neto, Areef Ahsan, Abigail Beane, Kaweesak Chittawatanarat, Abul Faiz, Rashan Haniffa, Reza Hashemian, Madiha Hashmi, Hisham Ahmed Imad, Kanishka Indraratna, Shivakumar Iyer, Gyan Kayastha, Bhuvana Krishna, Hassan Moosa, Behzad Nadjm, Rajyabardhan Pattnaik, Sriram Sampath, Louise Thwaites, Ni Ni Tun, Nor'azim Mohd Yunos, Salvatore Grasso, Frederique Paulus, Marcelo Gama de Abreu, Paolo Pelosi, Arjen M Dondorp, Marcus J Schultz
INTRODUCTION: Current evidence on epidemiology and outcomes of invasively mechanically ventilated intensive care unit (ICU) patients is predominantly gathered in resource-rich settings. Patient casemix and patterns of critical illnesses, and probably also ventilation practices are likely to be different in resource-limited settings. We aim to investigate the epidemiological characteristics, ventilation practices and clinical outcomes of patients receiving mechanical ventilation in ICUs in Asia...
April 28, 2018: BMJ Open
https://www.readbyqxmd.com/read/29705005/plasma-cytokines-in-minimally-treated-schizophrenia
#7
Sunil Vasu Kalmady, Venkataram Shivakumar, Dania Jose, Vasanthapuram Ravi, Matcheri S Keshavan, Bangalore N Gangadhar, Ganesan Venkatasubramanian
In schizophrenia, plasma cytokines abnormalities offer vital support for immunopathogenetic basis. However, most of the previous studies on plasma cytokines are confounded by examination of antipsychotic-treated schizophrenia patients. In this study, we examined a large sample of antipsychotic-naïve/free schizophrenia patients (N = 75) in comparison with healthy controls (N = 102). Plasma cytokines (Interleukins ([IL] 2, 4, 6, 10, 17), Tumor necrosis factor [TNF] and Interferon gamma [IFN-g]) were assessed using cytometric bead array assay...
April 26, 2018: Schizophrenia Research
https://www.readbyqxmd.com/read/29704819/comprehensive-cytokine-profiling-provides-evidence-for-a-multi-lineage-th-responses-in-guillain-barr%C3%A3-syndrome
#8
Monojit Debnath, Madhu Nagappa, Pinku Mani Talukdar, Manjula Subbanna, P Sundaravadivel, Venkataram Shivakumar, Debprasad Dutta, Rahul Wahatule, Sanjib Sinha, Parayil Sankaran Bindu, Sundar Periyavan, G S Umamaheswara Rao, Arun B Taly
Guillain Barré Syndrome (GBS) is one of the commonest acquired immune-mediated neuropathies, often preceded by infections. Although cellular immune responses are shown to substantially account for the pathophysiology of GBS, the precise mechanistic basis of risk and disease course remains enigmatic till date. Cytokines are best known for their abilities to drive cellular immunity and inflammation through their co-ordinated actions. Data obtained from clinical and animal model studies suggest important implications of some of the cytokines in the progression and recovery of GBS...
April 25, 2018: Cytokine
https://www.readbyqxmd.com/read/29704655/hippocampus-volume-alterations-and-the-clinical-correlates-in-medication-na%C3%A3-ve-obsessive-compulsive-disorder
#9
Sandeep Rao, Dhanya Raveendranathan, Venkataram Shivakumar, Janardhanan C Narayanaswamy, Ganesan Venkatasubramanian, Y C Janardhan Reddy
BACKGROUND: Converging evidence suggests the role of hippocampus in the pathophysiology of Obsessive-Compulsive Disorder (OCD). The role of hippocampus, which might have a cardinal role in the neurobiology of OCD through its mediating effect on various cognitive and affective processes, needs further investigation. This study is a region-of-interest analysis of hippocampal volume and its clinical correlates in a medication-naïve sample with low comorbidity rate. METHOD: T1 weighted MRI (1...
April 6, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29679336/lsg-vs-mgb-oagb-3-year-follow-up-data-a-randomised-control-trial
#10
S Shivakumar, Om Tantia, Ghanshyam Goyal, Tamonas Chaudhuri, Shashi Khanna, Anmol Ahuja, Anshuman Poddar, Kajari Majumdar
AIM: The objective of this study is to compare 3-year follow-up results of one anastomosis gastric bypass (MGB-OAGB) and laparoscopic sleeve gastrectomy (LSG) in terms of weight loss, complications, resolution of comorbidities and quality of life. MATERIALS AND METHODS: A prospective randomised study of results between 100 LSG patients and 101 MGB-OAGB patients was done from 2012 to 2015. The results were compared regarding operative outcomes, percentage of excess weight loss (%EWL), complications, resolution of comorbidities and quality of life (BAROS score) at 3 years follow-up...
April 20, 2018: Obesity Surgery
https://www.readbyqxmd.com/read/29677003/identification-of-a-novel-tcf4-isoform-in-the-human-corneal-endothelium
#11
Allen O Eghrari, Shivakumar Vasanth, Briana C Gapsis, Henry Bison, Ula Jurkunas, S Amer Riazuddin, John D Gottsch
PURPOSE: Alternative splice isoforms of TCF4, a gene implicated in Fuchs corneal dystrophy, have been identified in multiple human tissues outside of the eye. The aim of this study was to identify the transcriptional profile of TCF4 in the corneal endothelium. METHODS: We extracted RNA from the donor corneal endothelium and performed rapid amplification of cDNA ends. We tested the expression pattern of 1 newly identified isoform (7b) in a panel of cDNA derived from multiple human tissues and included cDNA from corneal endothelial (CE) and retinal pigment epithelial cell lines...
April 19, 2018: Cornea
https://www.readbyqxmd.com/read/29643659/endoscopic-ultrasound-guided-cytodiagnosis-of-adrenal-histoplasmosis-with-reversible-cd4-t-lymphocytopenia-and-jejunal-lymphangiectasia
#12
Rakesh K Gupta, Kaushik Majumdar, Siddharth Srivastava, Shivakumar Varakanahalli, Ravindra K Saran
No abstract text is available yet for this article.
April 2018: Journal of Cytology
https://www.readbyqxmd.com/read/29569009/paraventricular-hypothalamic-and-amygdalar-crf-neurons-synapse-in-the-external-globus-pallidus
#13
Albert J Hunt, Rajan Dasgupta, Shivakumar Rajamanickam, Zhiying Jiang, Michael Beierlein, C Savio Chan, Nicholas J Justice
Stress evokes directed movement to escape or hide from potential danger. Corticotropin-releasing factor (CRF) neurons are highly activated by stress; however, it remains unclear how this activity participates in stress-evoked movement. The external globus pallidus (GPe) expresses high levels of the primary receptor for CRF, CRFR1, suggesting the GPe may serve as an entry point for stress-relevant information to reach basal ganglia circuits, which ultimately gate motor output. Indeed, projections from CRF neurons are present within the GPe, making direct contact with CRFR1-positive neurons...
March 23, 2018: Brain Structure & Function
https://www.readbyqxmd.com/read/29559020/gene-polymorphisms-and-response-to-transcranial-direct-current-stimulation-for-auditory-verbal-hallucinations-in-schizophrenia
#14
Harleen Chhabra, Venkataram Shivakumar, Manjula Subbanna, Sunil V Kalmady, Anushree Bose, Sri Mahavir Agarwal, Vanteemar S Sreeraj, Damodharan Dinakaran, Janardhanan C Narayanaswamy, Monojit Debnath, Ganesan Venkatasubramanian
OBJECTIVE: Recent observations demonstrate a significant ameliorative effect of add-on transcranial direct current stimulation (tDCS) on auditory verbal hallucinations (AVHs) in schizophrenia. Of the many SNPs, NRG1 rs35753505 and catechol-o-methyl transferase (COMT) rs4680 polymorphisms have shown to have a strong association with neuroplasticity effect in schizophrenia. METHODS: Schizophrenia patients (n=32) with treatment resistant auditory hallucinations were administered with an add-on tDCS...
March 21, 2018: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/29552531/oral-health-status-and-dental-treatment-needs-of-5-12-year-old-children-with-disabilities-attending-special-schools-in-western-maharashtra-india
#15
K M Shivakumar, Snehal Patil, Vidya Kadashetti, Vaishali Raje
Introduction: The individuals suffering from various disabilities form a considerable proportion of the community. The psychological reactions associated with a deformity can be devastating to the disabled, parents, caregivers, and family which often lead to attitudes of hopelessness in the lives of these disabled individuals. Objectives: To assess the oral health status and treatment needs among 5-12-year-old children attending special school in Western Maharashtra, India...
January 2018: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/29515368/cb1r-mediated-activation-of-caspase-3-causes-epigenetic-and-neurobehavioral-abnormalities-in-postnatal-ethanol-exposed-mice
#16
Shivakumar Subbanna, Nagaraja N Nagre, Madhu Shivakumar, Vikram Joshi, Delphine Psychoyos, Abdullah Kutlar, Nagavedi S Umapathy, Balapal S Basavarajappa
Alcohol exposure can affect brain development, leading to long-lasting behavioral problems, including cognitive impairment, which together is defined as fetal alcohol spectrum disorder (FASD). However, the fundamental mechanisms through which this occurs are largely unknown. In this study, we report that the exposure of postnatal day 7 (P7) mice to ethanol activates caspase-3 via cannabinoid receptor type-1 (CB1R) in neonatal mice and causes a reduction in methylated DNA binding protein (MeCP2) levels. The developmental expression of MeCP2 in mice is closely correlated with synaptogenesis and neuronal maturation...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29510502/toxicity-of-beauveria-bassiana-28-mycelial-extracts-on-larvae-of-culex-quinquefasciatus-mosquito-diptera-culicidae
#17
Perumal Vivekanandhan, Thangaraj Kavitha, Sengodan Karthi, Sengottayan Senthil-Nathan, Muthugoundar Subramanian Shivakumar
Microbial-based pest control is an attractive alternative to chemical insecticides. The present study sought to evaluate the toxicity of the entomopathogenic fungus Beauveria bassiana -28 ethyl acetate extracts on different larval stages and pupae of Culex quinquefasciatus mosquitoes. B. bassiana -28 ethyl acetate mycelial extracts produced mosquitocidal activity against larvae and pupae which was comparable to that of the commercial insecticide B. bassiana -22 extract. The LC50 (lethal concentration that kills 50% of the exposed larvae) values of B...
March 3, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29473901/comparative-analysis-of-major-mosquito-vectors-response-to-seed-derived-essential-oil-and-seed-pod-derived-extract-from-acacia-nilotica
#18
Perumal Vivekanandhan, Raji Venkatesan, Govindaraju Ramkumar, Sengodan Karthi, Sengottayan Senthil-Nathan, Muthugoundar Subramanian Shivakumar
Botanical metabolites are increasingly realized as potential replacements to chemical insecticides. In the present study, Acacia nilotica seed essential oil and seed pod solvent extracts were tested for bioefficacy against three important types of mosquitoes. Mortality was recorded 24 h post-treatment, while smoke toxicity of adult mosquitoes was recorded at 10 min intervals for 40 min. Seed pod powder was extracted with different solvents and hydrodistilled seed oil chemical constituents were determined by using Gas chromatography mass spectroscopy (GC-MS) -...
February 23, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29462631/rapidly-dissolving-microneedle-patches-for-transdermal-iron-replenishment-therapy
#19
Abhijeet Maurya, Shivakumar H Nanjappa, Swati Honnavar, M Salwa, S Narasimha Murthy
The prevalence of iron deficiency anemia (IDA) is predominant in women and children especially in developing countries. The disorder affects cognitive functions and physical activity. Although oral iron supplementation and parenteral therapy remains the preferred choice of treatment, gastric side effects and risk of iron overload decreases adherence to therapy. Transdermal route is an established approach, which circumvents the side effects associated with conventional therapy. In this project, an attempt was made to investigate the use of rapidly dissolving microneedles loaded with ferric pyrophosphate (FPP) as a potential therapeutic approach for management of IDA...
February 17, 2018: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29457957/synergistic-effect-of-entomopathogenic-fungus-fusarium-oxysporum-extract-in-combination-with-temephos-against-three-major-mosquito-vectors
#20
Perumal Vivekanandhan, Sengodan Karthi, Muthugounder S Shivakumar, Giovanni Benelli
Mosquito control using chemical insecticides is facing a major challenge due to development of insecticide resistance. Improving the efficiency of existing insecticides using synergistic secondary metabolites of biological origin is increasingly being researched. Herein, we evaluated the toxicity of Fusarium oxysporum extract alone and in binary combinations with temephos, on larvae and pupae of Anopheles stephensi, Aedes aegypti and Culex quinquefaciatus. F. oxysporum extract was characterized using TLC, FT-IR and GC-MS...
February 2018: Pathogens and Global Health
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