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The Impact of Blood Transfusion on the Efficiency of Stem Cell Transplants

Case Reports in Clinical Medicine 2024年第8期13卷 328-338页

作者： amer Saud AL-Humaidan Saleh Saud Almutairi Mohammed Hussain Khubrani Raffah Mahdi Bajudah Waleed Mohammad Alzabidi Mohammed Hafiz Almasabi Bader Mohammed Saleh Alhomaid Waad ali Alshehri Wejdan Saleh Alghamdi Raghad Abdullah Alwthinani Department of Pathology and Laboratory King Abdulaziz Medical City Ministry of National Guard Health Affairs Riyadh Saudi Arabia

Background: While blood product transfusion is essential for managing hematologic deficits in Allogenic Hematopoietic stem cell transplant (AHSCT) recipients, it has risks including infectious disease transmission, alloimmunization, and transfusion reactions. These risks have sparked an ongoing debate regarding the overall impact of transfusions on patient outcomes. Thus, this study aimed to evaluate the impact of Red Blood Cells (RBCs) and/or platelet transfusion on the infection incidence and overall survival in AHSCT patients. Methods: We performed a retrospective analysis of clinical and laboratory data of sixty adult patients with primary malignant hematological disorder who had undergone AHSCT. Participants’ data were categorized into two groups;Group 1 (low transfusion group) consisted of patients receiving 10 units. Quantitative data were expressed as mean ± SD. The t-test of significance and Chi-square (χ2) test were used, with p ≤ 0.05 considered significant. Result: A total of 60 patients’ data was included. In Group 1, out of 30 patients, 13 (43.33%) developed infections. In contrast, Group 2 had 21 (70%) out of 30 patients develop infections. Group 1 had a higher survival rate (57.8%) than Group 2 (transfusion > 10 units) (46.2%) with a chi-square value = 23.56, and p-value Conclusion: The volume of blood product transfusions has a considerable impact on patient outcomes, particularly infection and survival rates. Additional long-term prospective studies and larger randomized controlled trials are needed to strengthen the evidence for determining transfusion protocols for these patients.

关键词： Hematologic Neoplasms Hematopoietic Stem Cell Transplantation Blood Transfusion Survival Rate

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Severe asthma exacerbation:Changes in patient characteristics,management,and outcomes from 1997 to 2016 in 40 ICUs in the greater Paris area

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Journal of Intensive Medicine 2024年第2期4卷 209-215页

作者： Romy Younan Jean Loup Augy Bertrand Hermann Bertrand Guidet Philippe Aegerter Emmanuel Guerot Ana Novara Caroline Hauw-Berlemont amer Hamdan Clotilde Bailleul Francesca Santi Jean-Luc Diehl Nicolas Peron Nadia Aissaoui Intensive Care Unit AP-HPGeorges Pompidou European HospitalUniversitéde ParisParisFrance Intensive Care Unit AP-HPSaint Antoine HospitalUniversités de SorbonneUniversitéPierre et Marie CurieParisFrance INSERM U1136 ParisFrance Versailles Saint-Quentin-en-Yvelines University INSERM U1018Groupe Interrégional de Recherche Clinique et d'InnovationÎle-de-FranceFrance Respiratory Medicine Department AP-HPGeorges Pompidou European HospitalUniversitéde ParisParisFrance Innovative Therapies in Hemostasis INSERM UMR-S1140Universitéde ParisParisFrance Intensive Care Unit and Biosurgical Research Lab(Carpentier Foundation) AP-HPGeorges Pompidou European HospitalParisFrance Paris-Cardiovascular-Research-Center INSERM U970ParisFrance

Background Despite advances in asthma treatments,severe asthma exacerbation(SAE)remains a life-threatening condition in adults,and there is a lack of data derived from adult patients admitted to intensive care units(ICUs)for *** current study investigated changes in adult patient characteristics,management,and outcomes of SAE over a 20-year period in 40 ICUs in the greater Paris *** In this retrospective observational study,admissions to 40 ICUs in the greater Paris area for SAE from January 1,1997,to December 31,2016 were *** primary outcome was the proportion of ICU admissions for SAE during 5-year *** outcomes were ICU and hospital mortality,and the use of mechanical ventilation and *** analysis was performed to assess factors associated with ICU *** A total of 7049 admissions for SAE were *** each 5-year period,the proportion decreased over time,with SAE accounting for 2.84%of total ICU admissions(n=2841)between 1997 and 2001,1.76%(n=1717)between 2002 and 2006,1.05%(n=965)between 2007 and 2011,and 1.05%(n=1526)between 2012 and *** median age was 46 years(interquartile range[IQR]:32–59 years),55.41%were female,the median Simplified Acute Physiology Score II was 20(IQR:13–28),and 19.76%had mechanical *** use of mechanical ventilation remained infrequent throughout the 20-year period,whereas the use of catecholamine *** and hospital mortality rates *** associated with ICU mortality were renal replacement therapy,catecholamine,cardiac arrest,pneumothorax,acute respiratory distress syndrome,sepsis,and invasive mechanical ventilation(IMV).Non-survivors were older,had more severe symptoms,and were more likely to have received *** ICU admission for SAE remains uncommon,and the proportion of cases decreased over *** a slight increase in symptom severity during a 20-year period,ICU and hospital mortality *** requirin

关键词： Epidemiology Intensive care unit Mechanical ventilation Severe asthma exacerbation

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Advancing Early Detection of Colorectal Adenomatous Polyps via Genetic Data Analysis: A Hybrid Machine Learning Approach

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Journal of Computer and Communications 2024年第7期12卷 23-38页

作者： Ahmed S. Maklad Mohamed A. Mahdy amer Malki Noboru Niki Abdallah A. Mohamed Computer Science Department College of Computer Science and Engineering in Yanbu Taibah University Medina Saudi Arabia Information Systems Department Faculty of Computers and Artificial Intelligence Beni-Suef University Beni-Suif Egypt Computer Science Department Faculty of Computers and Artificial Intelligence Beni-Suef University Beni-Suif Egypt Institute of Advanced Science and Technology Tokushima University Tokushima Japan Information Systems Department College of Computer Science and Engineering in Yanbu Taibah University Medina Saudi Arabia Mathematics and Computer Science Department Faculty of Science Menoufia University Menoufia Egypt

In this study, a hybrid machine learning (HML)-based approach, incorporating Genetic data analysis (GDA), is proposed to accurately identify the presence of adenomatous colorectal polyps (ACRP) which is a crucial early detector of colorectal cancer (CRC). The present study develops a classification ensemble model based on tuned hyperparameters. Surpassing accuracy percentages of early detection approaches used in previous studies, the current method exhibits exceptional performance in identifying ACRP and diagnosing CRC, overcoming limitations of CRC traditional methods that are based on error-prone manual examination. Particularly, the method demonstrates the following CRP identification accuracy data: 97.7 ± 1.1, precision: 94.3 ± 5, recall: 96.0 ± 3, F1-score: 95.7 ± 4, specificity: 97.3 ± 1.2, average AUC: 0.97.3 ± 0.02, and average p-value: 0.0425 ± 0.07. The findings underscore the potential of this method for early detection of ACRP as well as clinical use in the development of CRC treatment planning strategies. The advantages of this approach are highly expected to contribute to the prevention and reduction of CRC mortality.

关键词： Colorectal Adenoma Detection Colorectal Cancer Diagnosis Hybrid Machine Learning Genetics Analysis

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Multidisciplinary Design and Optimization of Multistage Ground-launched Boost Phase Interceptor Using Hybrid Search Algorithm

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Chinese Journal of Aeronautics 2010年第2期23卷 170-178页

作者： Qasim Zeeshan Khurram Nisar ali Kamran amer Rafique School of Astronautics Beijing University of Aeronautics and Astronautics

This article proposes a multidisciplinary design and optimization （MDO） strategy for the conceptual design of a multistage ground-based interceptor （GBI） using hybrid optimization algorithm, which associates genetic algorithm （GA） as a global optimizer with sequential quadratic programming （SQP） as a local optimizer. The interceptor is comprised of a three-stage solid propulsion system for an exoatmospheric boost phase intercept （BPI）. The interceptor＇s duty is to deliver a kinetic kill vehicle （KKV） to the optimal position in space to accomplish the mission of intercept. The modules for propulsion, aerodynamics, mass properties and flight dynamics are integrated to produce a high fidelity model of the entire vehicle. The propulsion module com- prises of solid rocket motor （SRM） grain design, nozzle geometry design and performance prediction analysis. Internal ballistics and performance prediction parameters are calculated by using lumped parameter method. The design objective is to minimize the gross lift off mass （GLOM） of the interceptor under the mission constraints and performance objectives. The proposed design and optimization methodology provide designers with an efficient and powerful approach in computation during designing interceptor systems.

关键词： boost phase genetic algorithm grain design interceptor optimization solid rocket motor

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Hyper Heuristic Approach for Design and Optimization of Satellite Launch Vehicle

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Chinese Journal of Aeronautics 2011年第2期24卷 150-163页

作者： amer Farhan RAFIQUE HE Linshu ali KAMRAN Qasim ZEESHAN Department of Spacecraft Technology School of Astronautics Beihang University Beijing 100191 China Department of Space Propulsion School of Astronautics Beihang University Beijing 100191 China

Satellite launch vehicle lies at the cross-road of multiple challenging technologies and its design and optimization present a typical example of multidisciplinary design and optimization（MDO） *** complexity of problem demands highly effi-cient and effective algorithm that can optimize the *** heuristic approach（HHA） based on meta-heuristics is applied to the optimization of air launched satellite launch vehicle（ASLV）.A non-learning random function（NLRF） is proposed to con-trol low-level meta-heuristics（LLMHs） that increases certainty of global solution,an essential ingredient required in product conceptual design phase of aerospace *** empirical study is performed to evaluate the performance advan-tages of proposed approach over popular non-gradient based optimization *** of ASLV encompasses aerodynamics,propulsion,structure,stages layout,mass distribution,and trajectory modules connected by multidisciplinary feasible design *** approach formulates explicit system-level goals and then forwards the design optimization process entirely over to *** distinctive approach for launch vehicle system design relieves engineers from tedious,iterative task and en-ables them to improve their component level *** is an impetus on vehicle performance and cost,and so it is considered as the core of vehicle design ***,gross launch mass is to be minimized in HHA.

关键词： multidisciplinary design optimization satellite launch vehicle heuristic optimization methods hyper heuristic air launched vehicles

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Assessment the effect of Dapoxetine and/or Acetaminophen in rats;neurochemicals and oxidative stress biomarkers evaluation

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Brain Science Advances 2024年第1期10卷 57-71页

作者： Gehan S.Georgy Ibrahim M.Ibrahim Laila Mohamed E.amer Ebtehal Mohammad F. Pharmacology Department Egyptian Drug Authority(EDA)Giza P.O.29Egypt Molecular Drug Evaluation Department Egyptian Drug Authority(EDA)Giza P.O.29Egypt Histology Department Faculty of MedicineAl-Azhar UniversityDamietta P.O.11651Egypt

Dapoxetine is a newer anti-depressant that is used for severe forms of depression via selective serotonin reuptake inhibition *** aimed to evaluate the effect of different doses of dapoxetine lonely or with acetaminophen(AMP).Seven groups of albino rats were used where dapoxetine was administered orally at the doses of 3,5,and 8 mg/kg body weight for a period of 14 days in groups 2,4,and 6,***(67.5 mg/kg body weight)was co-administered with dapoxetine(3,5,and 8 mg/kg body weight)for 14 days in groups 3,5 and 7,*** in mid and high dose plus AMP increased body weight and hematological *** and rearing were declined with mid and high doses of dapoxetine+AMP,contrary to *** was decreased with high doses of dapoxetine+*** dose of dapoxetine+AMP induced lowering of serotonin and dopamine as well as increasing of *** derived neurotrophic factor was decreased in all *** stress biomarkers were augmented with high dose of dapoxetine+*** doses of dapoxetine and/or AMP induced loss of the Purkinje cell layer at *** high dose of dapoxetine+AMP denotes behavioral,histopathological and neurochemical alterations,even though no serotonin syndrome occurs.

关键词： acetaminophen dapoxetine neurotransmitters oxidative stress biomarkers

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An assessment of paleodepositional environment and maturity of organic matter in sediments of the Setap Shale and Belait formations in West Sabah,East Malaysia by organic geochemical methods

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Chinese Journal Of Geochemistry 2010年第1期29卷 42-52页

作者： amer M. Burgan Che Aziz ali School of Environmental and Natural Resources Department of GeologyFaculty of Science and TechnologyUniversiti Kebangsaan Malaysia

The black shale samples collected from two Neogene formations in the Klias Peninsula area,West Sabah,have been assessed and characterized in details by gas chromatography,gas chromatography-mass spectrometry and a variety of organic geochemical *** aims of this study are to describe the characteristics of organic matter of these sediments in terms of source/type of the organic matter,assess its thermal maturity and paleoenvironment of deposition,based primarily on biomarker *** results of both formations do not reveal significant differences within the rock *** gas chromatograms of the saturated hydrocarbon fractions of the Setap Shale and the Belait formations displayed monomodal n-alkane distributions and nearly identical regular sterane compositions with a predominance of C27 regular *** are consistent with open marine depositional environments dominated by marine biological *** related feature of these rock extracts is the presence of a high relative abundance of gammacerane,indicating anoxic marine hypersaline source depositional *** relatively high abundance of common land plant-derived biomarkers,such as bicadinanes and oleananes,is a clear indication of a major terrigenous input to the source of the extractable organic *** predominance of oleanane biomarkers in both formations is indicative of angiospermis input and Tertiary source *** high C29/C30 hopane ratios,moderate development of C33-C35 hopanes,high abundance of tricyclic terpanes and a slight predominance of C27 regular sterane over C28 and C29 steranes are characteristic features tending to suggest a significant marine influence on these source rocks,thereby suggesting a mixed source *** 22S/(22S+22R)C32 hopane ratio has reached equilibrium,and this is supported by the high maturity level as indicated by the 22S/22SC31-33 extended hopane ratios and 20S/(20S+20R)C29 regular steranes ratios.

关键词：有机质成熟度沉积古环境黑色页岩地球化学方法沉积物评估马来西亚贝雷

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An explicit and novel structure,lattice dynamics,and photoemission of La-doped nanocrystalline SrZrO_(3) perovskite

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Rare Metals 2021年第1期40卷 105-112页

作者： Kamilia Sedeek Nahed Makram Hanan Hantour Taghreed Zaghloul amer Shimaa ali Said Nano-Materials Laboratory Physics DepartmentFaculty of ScienceAl-Azhar UniversityNasr CityCairo 11751Egypt Physics Department Faculty of ScienceAl-Azhar UniversityNasr CityCairo 11751Egypt

As no complete and comprehensive studies have been previously reported for La-doped nanocrystalline SrZrO_(3)(SZO),we researched herein a detailed investigation for pure and La-doped samples.A modified solid-state reaction process,including successive cycles of milling and sintering at high temperature,was followed to produce SZO and Sr_(0.9)La_(0.1)ZrO_(3)(SLZO)powdered *** analysis of X-ray diffractometer data predicts that the two samples exhibit orthorhombic structure with an increase in crystallite size by~25%for doped sample.A great reduction in Raman modes intensity(~60%)and an annihilation of several vibration modes were detected using Raman *** degree of ordering on the B-site was recorded to be higher in La-doped *** to ultraviolet-visible(UV-Vis)absorption,a decrease in the optical gap width(E_(g))from 4.40 eV to 4.21 eV was achieved by La incorporation due to the presence of additional defect states such as oxygen and Sr vacancies at the band *** process of electron-hole recombination was studied using photoluminescence(PL)*** of PL spectra yielded four emission bands:one green band,one blue band,and two violet *** intense violet emission atλ=393 nm approximately five times greater than that detected for pure SZO is realized as La^(3+)substitutes for Sr^(2+).Such property nominates SLZO for technological applications requiring highly intense violet emission,e.g.,light-emitting diodes.

关键词： Orthorhombic perovskite structure Lattice dynamics Diffused reflectance Photoluminescence Highly intense violet emission

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An organic geochemical investigation on organic rich sediments from two Neogene formations in the Klias Peninsula area,West Sabah,Malaysia

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Chinese Journal Of Geochemistry 2009年第3期28卷 264-270页

作者： amer M. Burgan Che Aziz ali School of Environmental and Natural Resources Department of GeologyFaculty of Science and Technology Universiti Kebangsaan Malaysia43600 UKM BangiSelangor

Twenty organic rich outcrop samples from the Belait and Setap Shale formations in the Klias Peninsula area, West Sabah, were analysed by means of organic petrology and geochemical techniques. The aims of this study are to assess the type of organic matter, thermal maturity and established source rock characterization based primarily on Rock-Eval pyrolysis data. The shales of the Setap Shale Formation have TOC values varying from 0.6 wt%–1.54 wt% with a mean hydrogen index (HI) of 60.1 mg/g, whereas the shales of the Belait Formation have TOC values ranging from 0.36 wt%–0.61 wt% with a mean (HI) of 38.2 mg/g, indicating that both formations have TOC>0.5 wt% the minimum limit for hydrocarbon generation. The samples do not contain sufficient hydrogen-rich organic matter (types I, II and III) to be considered good quality source rocks. The kerogen of type II is predominantly of marine origin. This organic matter was deposited in clastic algal environments. Geochemical data (Rock-Eval, Tmax values ranging from 377–451℃ for shales of the Setap Shale Formation and ranging from 466–498℃ for shales of the Belait Formation, typical of high maturity), indicate variable maturation histories in both formations. The maturation level varied from the beginning to the peak stage of oil generation in the Setap Shale Formation and it has reached the over-mature level in the samples of the Belait Formation.

关键词：半岛地区地球化学调查有机沉积物马来西亚有机质类型优质烃源岩热成熟度地球化学技术

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National guidelines for the diagnosis and treatment of hilar cholangiocarcinoma

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World Journal of Gastroenterology 2024年第9期30卷 1018-1042页

作者： Faisal Saud Dar Zaigham Abbas Irfan Ahmed Muhammad Atique Usman Iqbal Aujla Muhammad Azeemuddin Zeba Aziz Abu Bakar Hafeez Bhatti Tariq ali Bangash Amna Subhan Butt Osama Tariq Butt Abdul Wahab Dogar Javed Iqbal Farooqi Faisal Hanif Jahanzaib Haider Siraj Haider Syed Mujahid Hassan Adnan Abdul Jabbar Aman Nawaz Khan Muhammad Shoaib Khan Muhammad Yasir Khan amer Latif Nasir Hassan Luck Ahmad Karim Malik Kamran Rashid Sohail Rashid Mohammad Salih Abdullah Saeed Amjad Salamat Ghias-un-Nabi Tayyab Aasim Yusuf Haseeb Haider Zia Ammara Naveed Department of Hepatopancreatic Biliary Surgery&Liver Transplant Pakistan Kidney and Liver Institute&Research CentreLahore 54000Pakistan Department of Hepatogastroenterology and Liver Transplantation Dr.Ziauddin University HospitalKarachi 75600SindhPakistan University of Aberdeen Aberdeen B243FXUnited Kingdom Department of Pathology Pakistan Kidney and Liver Institute&Research CentreLahore 54000Pakistan Department of Gastroenterology&Hepatology Pakistan Kidney and Liver Institute&Research CentreLahore 54000Pakistan Department of Radiology Aga Khan UniversityKarachi 74800Pakistan Department of Oncology Hameed Latif HospitalLahore 54000Pakistan Division of Hepatopancreatic Biliary Surgery&Liver Transplantation Shifa International HospitalIslamabad 44000Pakistan Department of Hepatopancreatic Biliary Surgery&Liver Transplant Shaikh Zayed Hospital and Post Graduate Medical InstituteLahore 54000Pakistan Department of Medicine Aga Khan University HospitalKarachi 74800Pakistan Department of Liver Transplant Pir Abdul Qadir Shah Jeelani Institute of Medical SciencesGambat 66020Pakistan Department of Medicine&Gastroenterology Lifecare Hospital and Research CentrePeshawar 25000Khyber PakhtunkhwaPakistan Department of Hepatopancreatobiliary&Liver Transplant Bahria International HospitalLahore 54000Pakistan Department of Surgery Hepatopancreatobiliary&Liver TransplantDow University of Health SciencesKarachi 74800Pakistan Department of Gastroenterology Hepatology&NutritionPir Abdul Qadir Shah Jeelani Institute of Medical SciencesGambat 66020Pakistan Department of Oncology Dr.Ziauddin HospitalKarachi 74800Pakistan Department of Radiology Rehman Medical InstitutePeshawar 25000Pakistan Army Liver Transplant Unit Pak Emirates Military HospitalRawalpindi 46000Pakistan Department of Gastroenterology Sindh Institute of Urology and TransplantationKarachi 75500Pakistan Rashid Nursing Home and Cancer Clinic Rashid Nursing Home and Cancer ClinicRawalpindi 46000Pakistan Department of Gastroentero

A consensus meeting of national experts from all major national hepatobiliary centres in the country was held on May 26,2023,at the Pakistan Kidney and Liver Institute&Research Centre(PKLI&RC)after initial consultations with the *** Pakistan Society for the Study of Liver Diseases(PSSLD)and PKLI&RC jointly organised this *** effort was based on a comprehensive literature review to establish national practice guidelines for hilar cholangiocarcinoma(hCCA).The consensus was that hCCA is a complex disease and requires a multidisciplinary team approach to best manage these *** coordinated effort can minimise delays and give patients a chance for curative treatment and effective *** diagnostic and staging workup includes high-quality computed tomography,magnetic resonance imaging,and magnetic resonance *** cytology or biopsy utilizing endoscopic retrograde cholangiopancreatography is a mainstay for ***,histopathologic confirmation is not always required before *** ultrasound with fine needle aspiration of regional lymph nodes and positron emission tomography scan are valuable adjuncts for *** only curative treatment is the surgical resection of the biliary tree based on the Bismuth-Corlette *** patients with unresectable hCCA can be considered for liver *** chemotherapy should be offered to patients with a high risk of *** use of preoperative biliary drainage and the need for portal vein embolisation should be based on local multidisciplinary *** with acute cholangitis can be drained with endoscopic or percutaneous biliary *** chemotherapy with cisplatin and gemcitabine has shown improved survival in patients with irresectable and recurrent hCCA.

关键词： Hilar cholangiocarcinoma Bismuth-Corlette classification Memorial Sloan Kettering Cancer Centre Staging Preoperative biliary drainage Portal vein embolisation Surgical resection Hepatectomy

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