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Outcome of Long Segment Transpedicular Screw Fixation in Unstable Thoracolumbar Spine Injury with Incomplete Neurological Deficit

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Journal of Biosciences and Medicines 2020年第3期8卷 166-187页

作者： Shah md. Rezaul Karim A. K. M. Shahidur Rahman Syed Abdus Sobhan md. shahidul islam Akon Muhammad Akter Hossain Ashraf Ali Shah Newas md. Ruhul Quddus md. Moshiur Rahman Mollick Department of Surgery Sheikh Hasina Medical College Hospital Habiganj Bangladesh Department of Nephrology Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka Bangladesh Department of Orthopaedic Surgery Dhaka Medical College Hospital (DMCH) Dhaka Bangladesh Department of Anatomy Chandpur Medical College Chandpur Bangladesh Department of Cardiology Abdul Malek Ukil Medical College Hospital Noakhali Bangladesh Department of Orthopaedic Surgery National Institute of Traumatology and Orthopedic Rehabilitation (NITOR) Dhaka Bangladesh Department of Biochemistry Pabna Medical College Pabna Bangladesh Department of Orthopaedic Surgery Sheikh Hasina Medical College Hospital Habiganj Bangladesh

Background: Long segment transpedicular screw fixation in thoracolumbar spine injury has gained popularity in the last decades as it provides immediate stability, prevents further risk of complications and allows early mobilization of patient. Objectives: Evaluation of clinical and functional outcome after long segment transpedicular screw fixation in unstable thoracolumbar spine injury with incomplete neurological deficit patients. Methods: This quasi experimental study was conducted at Dhaka Medical College and Hospital (DMCH), Dhaka, Bangladesh from January 2016 to December 2017. A total of twenty four (24) patients with traumatic unstable fracture of the thoracolumbar spine with incomplete neurological deficit underwent long segment transpedicular screw fixation were included in this study. Clinical and radiologic outcomes were assessed pre-operatively and post-operatively. Results: A total of 24 patients aged between 20 - 60 years of both sexes (Male-21, Female-03) were included in this study. Their mean (±SD) age was 33.12 (±8.57) years. Most of them were farmer [09 (37.5%)] and day labour [08 (33.33%)]. Motor vehicle accidents were the most common [16 (66.67%)] cause of injury and then fall from height [08 (33.33%)]. The most common level of injury involved was L1-10 (41.67%) patients, followed by L2-07 (29.17%), T12-05 (20.83%) and T11-02 (8.33%) of the study patients. Burst fracture was the commonest [22 (91.67%)] type of fracture followed by Chance fracture [02 (8.33%)]. Pre-operative mean (±SD) Cobb angle, Kyphotic deformation of vertebral body, Beck index and vertebral compression deformity were 21.83 ± 4.5 degrees, 22.09 ± 4.40 degrees, 0.78 ± 2.65 and 0.18 ± 0.93 mm respectively, after procedure which were significantly (p Conclusions: Long segment transpedicular screw fixation is an effective method of treatment in patients having thoracolumbar spine injury with incomplete neurological deficit.

关键词： Neurological Deficit Transpedicular Screw Fixation Unstable Thoracolumbar Spine Injury

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Utility of convalescent plasma for addressing the COVID-19 infection: brief review and case reports

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Life Research 2022年第1期5卷 3-8页

作者： Fazli Azim md shahidul islam Ashraful Hoque Muhammad Javed Aneela Hayat Kaniz Fatema Molla Amiruzzaman md.Nasir Uddin Kajal Kumar Karmakar Syed A.A.Rizvi IHITC:Isolation Hospital&Infections Treatment Centre IslamabadPakistan Upazila Health Complex DaudkandiCumillaBangladesh Department of Blood Transfusion Sheikh Hasina National Institute of Burn&Plastic SurgeryDhakaBangladesh Medical A Unit Hayatabad Medical Complex HospitalMTIPeshawarPakistan Department of Pathology Bacha Khan Medical CollegeMardanPakistan Department of Biochemistry National Institute of Cardiovascular Diseases&HospitalDhakaBangladesh Department of Biochemistry National Institute of Laboratory Medicine and Referral CentreDhakaBangladesh. Department of Clinical Chemistry National Institute of Cardiovascular Diseases&HospitalDhakaBangladesh. Department of Cardiology National Institute of Cardiovascular Diseases&HospitalDhakaBangladesh Department of Pharmaceutical Sciences Hampton University School of PharmacyHamptonVirginiaUSA.

Novel coronavirus,SARS-CoV-2 is responsible for causing a pandemic that has affected individuals worldwide,over 192 million people and about 4.1 million people died so *** spread is ongoing and the numbers are still *** therapeutic approaches have been explored and developed during this *** with virus-specific antibodies in convalescent plasma(CP)has shown potential benefits for various pathogenic *** many instances,it is the only available and safe management option for the COVID-19 *** we describe two confirmed cases of COVID-19 from two different geographical areas that were managed with standard treatment modalities *** of the patients were presented with high-grade fever,dry cough,and sore *** reports showed increased values of D-dimer,serum ferritin,leukocyte count(LC),Lactate dehydrogenase(LDH),and C-reactive protein(CRP).Chest X-ray showed bilateral infiltration(multifocal and bilateral ground-glass opacities and consolidations with peripheral and basal predominance),consistent with the previous reports on COVID-19 *** patients received conservative treatment according to the hospital's *** convalescent plasma(from recovered patients)infusion was the last treatment given to both *** the convalescent plasma transfusion,both patients showed a reduction of viral load,an increase of anti-SARS-CoV-2 IgG and IgM antibodies,reduction in lung infiltration,with no adverse ***,further randomized controlled trials are needed to investigate the full scope of safety and efficacy(both short and long-term)of convalescent plasma therapy for COVID-19 and other related infections.

关键词： SARS-CoV-2 COVID-19 pandemic convalescent plasma therapy critical care neutralizing antibody titer acute respiratory distress syndrome

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Molecular methods for detection of pathogenic viruses of respiratory tract——A review

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Asian Pacific Journal of Tropical Biomedicine 2018年第5期8卷 237-244页

作者： md.shahidul Kabir Department of Microbiology Institutional Quality Assurance Cell Stamford University

Human respiratory system is harbored by a vast array of transient and normal microbial flora.A number of pathogenic viruses were diagnosed from samples in different occasions from mild to severe infections of respiratory *** methods were developed for detection of these viruses during last two *** acid amplification methods were introduced for rapid and accurate diagnosis of pathogenic *** detection systems were employed to identify a panel of pathogenic viruses,which requires specialized kits and instruments in some *** review summarizes different types of molecular approaches which were developed with time and applied for the detection of pathogenic viruses associated with infections of the respiratory system.

关键词： Respiratory system Virus Molecular method Detection

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Finite Element Analysis of Magnetohydrodynamic Natural Convection within Semi-Circular Top Enclosure with Triangular Obstacles

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American Journal of Computational Mathematics 2022年第1期12卷 33-43页

作者： Arju Ara Runa md. Abdul Alim md. shahidul Alam Kazi Humayun Kabir Department of Mathematics Bangladesh University of Engineering and Technology (BUET) Dhaka Bangladesh Department of Mathematics Mohammadpur Kendriya College Mohammadpur Dhaka Bangladesh

The phenomena of magneto-hydrodynamic natural convection in a two-dimensional semicircular top enclosure with triangular obstacle in the rectangular cavity were studied numerically. The governing differential equations are solved by using the most important method which is finite element method (weighted-residual method). The top wall is placed at cold Tc and bottom wall is heated Th. Here the sidewalls of the cavity assumed adiabatic. Also all the wall are occupied to be no-slip condition. A heated triangular obstacle is located at the center of the cavity. The study accomplished for Prandtl number Pr = 0.71;the Rayleigh number Ra = 103, 105, 5 × 105, 106 and for Hartmann number Ha = 0, 20, 50, 100. The results represent the streamlines, isotherms, velocity and temperature fields as well as local Nusselt number.

关键词： Natural Convection Finite Element Method Hartmann Number Rayleigh Number Triangular Obstacle Numerical Solution

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Morphological and Genetical Variability among Rhizoctonia solani Isolates Causing Sheath Blight Disease of Rice

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Rice science 2016年第1期23卷 42-50页

作者： Zakiah Rahman MONI md Ansar ALI md shahidul ALAM md Asif RAHMAN md Rejwan BHUIYAN md Salim MIAN Khandakar md IFTEKHARUDDAULA md Abdul LATIF Mohammad Ashik Iqbal KHAN Plant Breeding Division Bangladesh Rice Research Institute Director Research Bangladesh Rice Research Institute Department of Botany Rajshahi University Department of Genetics and Plant Breeding Bangabandhu Sheikh Mujibur Rahman Agricultural University Plant Pathology Division Bangladesh Rice Research Institute

Eighteen isolates of Rhizoctonia solani collected from infected rice plants in four different locations of Bangladesh were studied by using morphological characters and molecular markers. Anastomosis study with a reference isolate confirmed that all the isolates belonged to R. solani. Significant variation was observed in sclerotial size, shape and distribution. Un-weighted pair group method with arithmetic mean dendrogram constructed based on the Gower＇s general similarity coefficient showed that these isolates were grouped into four clusters at the 0.68 similarity coefficent according to morphological characters. Cluster I was a major cluster consisting of 13 isolates, while clusters Ⅱ to Ⅳ consisted of 1 or 2 isolates. Analyses by variable number of tandem repeat and amplified fragment length polymorphism markers showed that the isolates were grouped into five and three clusters at a similarity coefficient of 0.64 and 0.69, respectively. Although most of the variability was found between isolates from different regions as expected, significant variation was observed within the isolates collected from similar agro-ecological regions. Our results suggest the presence of different races of R. solani within the same local geographic regions.

关键词： rice Rhizoctonia solani fungal variability molecular marker morphological character

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Grain Size Analysis of a Growing Sand Bar at Sonadia Island, Bangladesh

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Open Journal of Soil Science 2013年第2期3卷 71-80页

作者： md. Enamul Hoque Sayedur Rahman Chowdhury Mohammad Muslem Uddin Mohammed shahidul Alam md. Mostafa Monwar Institute of Marine Sciences and Fisheries University of Chittagong Chittagong Bangladesh.

Sonadia is one of the most important islands of Bangladesh. South-eastern shore of the island, which is a growing sand bar, has to encounter continuous and rapid morphological changes. So study of the sediment characteristics of this Sand Bar is very important. In the present study, grain size analysis of this Sand Bar has been done on the basis of laboratory analysis. Sediment samples were collected from 9 (Nine) stations and texture analysis of sediment was completed following a standard procedure of sieve analysis of sand samples. The average value of median (md), mean (M), standard deviation (s), skewness (SK) and kurtosis (K) of sediment of the Sand Bar of Sonadia Island was 1.93, 1.87, 0.44, 0.11 and 1.88 respectively. Highest median, mean, standard deviation, skewness and kurtosis of Sand Bar of Sonadia Island was 2.98 (Station 2, Lower Shore), 2.68 (Station 1, Lower Shore), 0.83 (Station 1, Middle Shore and Station 2, Lower Shore), 0.65 (Station 2, Lower Shore) and 3.59 (Station 1, Lower Shore) respectively. Lowest median, mean, standard deviation, skewness and kurtosis of Sand Bar of Sonadia Island was 1.42 (Station 9, Middle Shore), 1.45 (Station 9, Middle Shore), 0.30 (Station 5, Lower Shore and Station 8, Lower Shore), 0.04 (Station 5, Upper Shore) and 0.94 (Station 6, Upper Shore) respectively.

关键词： Grain Size Analysis Sonadia Sand Bar Sediment Bay of Bengal

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Building Pattern Technique of an Indigenous Community - Does Its Appearances a Distinctive Representation?

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Journal of Architectural Environment & Structural Engineering Research 2021年第3期4卷 63-74页

作者： md.Mustafizur Rahman Mohammad Tanvir Hasan shahidul islam Jiaul Hassan Mithun Department of Architecture Shahjalal University of Science&TechnologySylhetBangladesh Shahjalal University of Science&Technology SylhetBangladesh

Bangladesh is enriched with beautiful traditional indigenous *** indigenous peoples with their distinctive existences also considerably create an enhance values and lifestyles to the socio-cultural sectors of Bangladesh[1].Habitually,these indigenous communities have been comparable to live a large combined family to shear their lifestyles[2].Presently the country has 45 indigenous communities who are living in different *** indigenous people within this country have their own style to build their settlements with special techniques to keep them safe and sound from all types of natural and environmental vulnerabilities and also enhance their knowledge of construction techniques and *** is one of them with very small number of people are still living in different regions within the country which have their own system of building *** found that for several hundreds of years Rakhains are strictly following their indigenous prescription of house and settlement *** like other indigenous people of this country,they have mountains of problems,such as forced land occupation,lack of security and minority *** all,forced political separation has gradually drowned them in the abysmal pit of marginal *** has turned them into exiles in their own *** a result,many of them are being forced to leave the country and as a result they misplaced their native knowledge and technique to ***,this study will initially focus on to search for the distinctiveness of their settlement pattern and building construction techniques and ***,in view of their problems,knowledge and experiences concerning archetype,built and house pattern,this study will finally explain how Rakhains accumulate their every distinctiveness from history and for present and future invention.

关键词： Rakhaine House pattern Indigenous Settlement pattern Distinctiveness

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