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Prognostic Role of Preoperative Tricuspid Annular Plane Systolic Excursion (TAPSE) in Mitral Valve Replacement (MVR) for Rheumatic Mitral Stenosis Patients

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World Journal of Cardiovascular Surgery 2024年第8期14卷 115-130页

作者： Satyajit Sharma Muhit Abdullah Md. Noor-E-Elahi Mozumder Munjerin Refat Synthee Md. Zafar-Al-Nimari Anowarul Azim Saikat Das Gupta Dewan Iftakher Raza Chowdhury siddhartha shankar howlade. Noel Crypian Gomes Saleh Ahmed Samir Kumar Biswas Department of Cardiac Surgery National Heart Foundation Hospital & Research Institute (NHFH & RI) Dhaka Bangladesh Department of Cardiac Surgery National Institute of Cardiovascular Diseases & Hospital Dhaka Bangladesh Department of Cardiothoracic and Vascular Surgery Square Hospital Dhaka Bangladesh Department of Cardiothoracic and Vascular Surgery Evercare Hospital Chattogram Bangladesh

Tricuspid annular plane systolic excursion has been proposed as a simple and reproducible parameter for quantitative assessment of the right ventricular ejection fraction. The prognostic importance of preoperative TAPSE in patients with mitral valve replacement for rheumatic mitral stenosis patients is still under focused. Therefore, the objective of the study was to predict the outcome after MVR in rheumatic mitral stenosis patients in relation to preoperative TAPSE. This comparative cross-sectional study was conducted at the Department of Cardiac Surgery, National Heart Foundation Hospital and Research Institute. A total of 72 patients of rheumatic mitral stenosis patients who underwent mitral valve replacement were included in the study. They were divided into two groups: Group A and B. Group A included 36 patients with TAPSE 0.05) except for the preoperative TAPSE. Mean TAPSE of Group A was 13.17 (±1.40) and Group B was 18.61 (±1.57), the difference was statistically significant (p 0.05). Among the postoperative complications, including postoperative atrial fibrillation was higher in Group A (30.56%) than Group B (11.11%), mean ventilation time was higher in Group A (27.78%) than Group B (5.56%), length of intensive care was higher in Group A (33.33%) than Group B (11.12%), and hospital stay was higher in Group A (25.0%) than Group B (5.56%), (p < 0.05). Higher preoperative TASPE could be used as a prognostic tool for MVR in rheumatic mitral stenosis patients in our settings.

关键词： Tricuspid Annular Plane Systolic Excursion Mitral Valve Replacement Rheumatic Heart Disease Mitral Stenosis Right Ventricular Ejection Fraction Postoperative Complications

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Pulsed Magnetic Field Measurement Outside Finite Length Solenoid: Experimental Results &Mathematical Verification

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Journal of Electromagnetic Analysis and Applications 2013年第10期5卷 371-378页

作者： Shibaji Basu siddhartha shankar Pany Partha Bannerjee Sabyasachi Mitra Accelerator & Pulse Power Division Bhabha Atomic Research Centre Mumbai India Accelerator & Pulse Power Division Bhabha Atomic Research Centre Vishakapatnam India Electronics & Instrumentation Services Division Bhabha Atomic Research Centre Mumbai India Energetics & Electromagnetics Division Bhabha Atomic Research Centre Vishakapatnam India

The paper deals with magnetic field mapping outside a finite length solenoid electromagnet, by an in-house designed and calibrated inductive pick-up or search coil. The search coil is calibrated in a unique methodology based on the azimuthal magnetic field component generated by a straight wire. This unique calibration technique helps us to avoid additional circuitry to integrate the signal obtained from search coil. The methodology proves advantageous in diffusion, implosion studies where the signal frequency changes with dimension and material of experimental job-piece (hollow metal tube). Remedial measures have been taken to avoid electrostatic capacitive pick-up (which eventually exacerbates with integration) keeping measurement simple and accurate. The experimentally measured field values have also been compared with electromagnetic field results obtained from mathematical calculations and finite element based simulations. Two different mathematical approaches have been demonstrated for field computation based on Biot-Savart Law. Both the methods have taken into account the exact geometry of the solenoid, including the inter-turn gaps. The methods use appropriate combination of closed-form mathematical expression and numerical integration techniques and are capable of determining all the vector components of magnetic field anywhere around the finite length solenoid. The mathematical computations are equally significant contributions in the paper especially because exact determination of magnetic fields outside finite length solenoids has not been discussed in sufficient specific details in already existing literature. The mathematical computations, finite element simulations and experimental verification together provide a holistic solution to magnetic field determination problems in pulse power applications that have not been discussed in available literature or books in specific details.

关键词： Pulsed Magnetic Field Biot-Savart Law Search Coil

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Omics Studies and Systems Biology Perspective towards Abiotic Stress Response in Plants

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American Journal of Plant Sciences 2020年第12期11卷 2172-2194页

作者： Jyoti Prakash Sahoo Laxmipreeya Behera siddhartha shankar Sharma Jannila Praveena Suman Kumari Nayak Kailash Chandra Samal Department of Agricultural Biotechnology Odisha University of Agriculture and Technology Bhubaneswar India Department of Genetics and Plant Breeding Uttar Banga Krishi Viswavidyalaya Cooch Behar India Department of Fruit Science and Horticulture Technology Odisha University of Agriculture and Technology Bhubaneswar India Department of Plant Physiology Odisha University of Agriculture and Technology Bhubaneswar India

Plant abiotic stress responses are vital yield-restricting aspect in agriculture. Recent technology in plant biology allows research of such stress responses at a molecular scale in plants. Network analysis provides in-depth knowledge regarding omics information visualisation as it reduces the intrinsic intricacy of such data. The use of integrated functional genomics helps to understand the relationship between the genomic profile and the phenotypic profile in different environmental conditions of an organism. Plants’ responses to abiotic stress are often considered as a complex process. Systems biology approaches allow visualising and understanding how plant life works to overcome abiotic stress. The combination of integrated functional genomics along with bioinformatics will put a hand in additional in-depth research knowledge on stress tolerance to plants by exploiting available genetic information and continuously improving techniques and strategies. Most of the omics technologies are high throughput with very rapid data generation rates and humongous outputs. These technologies have made noticeable contributions to the modern-day improvements in our knowledge of plant biology. So, in this review, omics studies and the system biology approach towards abiotic stress tolerance in plants are highlighted.

关键词： Genomics Proteomics Transcriptomics System Biology Abiotic Stress Plants

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The Golden Spice Turmeric (<i>Curcuma longa</i>) and Its Feasible Benefits in Prospering Human Health—A Review

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American Journal of Plant Sciences 2021年第3期12卷 455-475页

作者： Jyoti Prakash Sahoo Laxmipreeya Behera Jannila Praveena Shraddha Sawant Ankita Mishra siddhartha shankar Sharma Lipi Ghosh Ambika Prasad Mishra Asit Ranjan Sahoo Pranay Pradhan Subhasmita Sahu Ankit Moharana Kailash Chandra Samal Department of Agricultural Biotechnology Odisha University of Agriculture and Technology Bhubaneswar India Department of Fruit Science and Horticulture Technology Odisha University of Agriculture and Technology Bhubaneswar India Department of Plant Pathology Odisha University of Agriculture and Technology Bhubaneswar India Department of Plant Breeding and Genetics Odisha University of Agriculture and Technology Bhubaneswar India Department of Genetics and Plant Breeding and Seed Science & Technology Centurion University of Technology and Management Parlakhemundi India School of Development Studies Tata Institute of Social Sciences Mumbai India Department of Soil Science and Agricultural Chemistry Faculty of Agriculture Sri Sri University Cuttack India Department of Nematology Odisha University of Agriculture and Technology Bhubaneswar India Department of Floriculture and Landscaping Odisha University of Agriculture and Technology Bhubaneswar India Department of Seed Science and Technology Odisha University of Agriculture and Technology Bhubaneswar India

From the evolution of the mankind, Turmeric has been used in conventional medication. India is in lead for producing, marketing and exporting the Turmeric and its value added products. Curcuma longa (Turmeric) is an Indian rhizomatous medicinal herb from the Zingiberaceae family that is common and widely available across the globe. The components of Turmeric are curcumin, demethoxycurcumin and bisdemethoxycurcumin and these are collectively known as curcuminoids. Curcumin, the active ingredient of Turmeric is generally investigated by the scientific community for its wide range of antioxidant activity, anti-Inflammatory properties and anti-cancer activity, anti-metabolic syndrome activities, neuroprotective activity, antimicrobial effects, anti-arthritis effects, anti-viral effects, anti-asthma and anti-diabetic effects, anti-obesity, cardio and liver toxicity protection activity, anti-depression and anxiety activities. Turmeric has been widely used as a typical household treatment for cough, sore throat, respiratory ailments and could be an effective immunity booster against SARS-CoV-2 therapy during the ongoing pandemic situation. Safety evaluation studies indicate that both turmeric and curcumin are well tolerated at a very high dose without any toxic effects. Thus, turmeric and its constituents have the potential for the development of modern medicine for the treatment of various diseases. So in this review, we describe the various metabolic roles of curcumin and activities for the benefit of human health.

关键词： Turmeric Plant Extracts Curcumin Medicinal Properties SARS-CoV-2 Immunity

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The Golden Spice Turmeric (Curcuma longa ) and Its Feasible Benefits in Prospering Human Health—A Review

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American Journal of Plant Sciences（美国植物学期刊） 2021年第3期

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