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Post-operative computed tomography scan – reliable tool for quality assessment of complete mesocolic excision

World Journal of Gastrointestinal Oncology 2019年第3期11卷 208-226页

作者： cristian Livadaru Stefan Morarasu tudor cristian frunza Florina A Ghitun Elena Florina Paiu-Spiridon Florina Sava Cristina Terinte Dan Ferariu Sorinel Lunca Gabriel Mihail Dimofte "Grigore T Popa" University of Medicine and Pharmacy 2~(nd) Clinic of Surgical Oncology Regional Oncology Institute "Grigore T Popa" University of Medicine and Pharmacy Department of Radiology Regional Oncology Institute "Grigore T Popa" University of Medicine and Pharmacy Department of Pathology Regional Oncology Institute "Grigore T Popa" University of Medicine and Pharmacy

BACKGROUND Quality control in colon cancer surgery is an ongoing debate ever since standardization proved to be highly efficient in improving survival in rectal cancer. Complete mesocolic excision(CME) is widely acclaimed as the new goldstandard in colon cancer resections, thus it is imperative to establish quality criteria of CME in order to make it easily understood and verified by surgeons worldwide. One simple and reproducible tool could be the measurement of arterial stumps postoperatively and a straightforward way to test its reliability is to test it in a comparative study between CME and non-CME *** To validate arterial stump measurement as a surgical quality tool by comparing CME with conventional radical *** This was a retrospective study, carried out on a prospective database. We collected data from two groups of patients, divided according to standard CME with D2 central vascular ligation(group A) and non-standardized surgery(group B). The two groups were compared with regard to the arterial stump length after right-and left-sided colectomies for colon cancer. The actual stump lengths of the ileocolic artery(ICA) and inferior mesenteric artery(IMA) were compared with their theoretical best D2 position of predicted ligation levels(D2 PLLs) for calculating the potential for improvement. Measurements on follow-up computed tomography scans were carried out by three observers. Pathological data were recorded(specimen length, lymph node yield) and correlated with stump *** We analysed 58 colectomies. The stump lengths(mean ± SD) in group A were16.97 ± 4.77 mm for ICA and 31.70 ± 15.71 mm for IMA, whereas group B had 49.93 ± 20.29 mm for ICA and 67.24 ± 28.71 mm for IMA. Shorter lengths were obtained in group A, by a mean difference of 35.66 mm(χ~2 = 27.38, P < 0.001),which was significant for all types of colectomies. Except for a 5.85 ± 4.71 mm difference for right colectomies, all the ligations from group A significantly re

关键词： Complete mesocolic excision Central vascular ligation Colon surgery Arterial stump measurement Computed tomography

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A brief history of the Compendium of Physical Activities

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Journal of Sport and Health Science 2024年第1期13卷 3-5页

作者： Barbara E.Ainsworth Stephen D.Herrmann David R.Jacobs Jr. Melicia C.Whitt-Glover Catrine tudor-Locke School of Exercise and Health Shanghai University of SportShanghai 200438China College of Health Solutions Arizona State UniversityPhoenixAZ 85003USA Kansas Center for Metabolism and Obesity Research University of Kansas Medical CenterKansas CityKS 66160USA Division of Epidemiology and Community Health University of MinnesotaMinneapolisMN 55455USA Gramercy Research Group KnightdaleNC 27545USA College of Health and Human Services University of North Carolina at CharlotteCharlotteNC 28223USA

The Compendium of Physical Activities(Compendium)was developed to address consistent assignment of physical activity(PA)intensity values used in PA epidemiology research of the association between PA and health outcomes.1The known protective effects of PA on incident health outcomes traces to the mid-1900s,with over 50 studies examining coronary heart disease(CHD)as the outcome of interest.

关键词： epidemiology Activities protective

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2024 Adult Compendium of Physical Activities:A third update of the energy costs of human activities

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Journal of Sport and Health Science 2024年第1期13卷 6-12页

作者： Stephen D.Herrmann Erik A.Willis Barbara E.Ainsworth Tiago V.Barreira Mary Hastert Chelsea L.Kracht John M.Schuna Jr. Zhenghui Cai Minghui Quan Catrine tudor-Locke Melicia C.Whitt-Glover David R. Jacobs Jr. Kansas Center for Metabolism and Obesity Research University of Kansas Medical CenterKansas CityKS 66160USA Division of Physical Activity and Weight Management Department of Internal MedicineUniversity of Kansas Medical CenterKansas CityKS 66160USA Center for Health Promotion and Disease Prevention University of North Carolina at Chapel HillChapel HillNC 27599USA College of Health Solutions Arizona State UniversityPhoenixAZ 85003USA School of Exercise and Health Shanghai University of SportShanghai 200438China Exercise Science Department Syracuse UniversitySyracuseNY 13244USA Clinical Sciences Division Pennington Biomedical Research CenterBaton RougeLA 70808USA School of Exercise and Sport Science Oregon State UniversityCorvallisOR 97331USA College of Health and Human Services University of North Carolina at CharlotteCharlotteNC 28223USA Gramercy Research Group KnightdaleNC 27545USA Division of Epidemiology and Community Health School of Public HealthUniversity of MinnesotaMinneapolisMN 55454USA

Background:The Compendium of Physical Activities was published in 1993 to improve the comparability of energy expenditure values assigned to self-reported physical activity(PA)across *** original version was updated in 2000,and again in 2011,and has been widely used to support PA research,practice,and public health ***:This 2024 update was tailored for adults 19-59 years of age by removing data from those≥60 *** a systematic review and supplementary searches,we identified new activities and their associated measured metabolic equivalent(MET)values(using indirect calorimetry)published since *** replaced estimated METs with measured values when ***:We screened 32,173 abstracts and 1507 full-text papers and extracted 2356 PA energy expenditure values from 701 *** added303 new PAs and adjusted 176 existing MET values and descriptions to reflect the addition of new data and removal of METs for older *** added a Major Heading(Video Games).The 2024 Adult Compendium includes 1114 PAs(912 with measured and 202 with estimated values)across 22 Major ***:This comprehensive update and refinement led to the creation of The 2024 Adult Compendium,which has utility across research,public health,education,and healthcare domains,as well as in the development of consumer health *** new website with the complete lists of PAs and supporting resources is available at https://***.

关键词： Adults Energy expenditure Exercise MET Physical Activities

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Developing a TRL-oriented roadmap for the adoption of biocomposite materials in the construction industry

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Frontiers of Engineering Management 2023年第2期10卷 223-236页

作者： tudor-cristian PETRESCU Johannes T.VOORDIJK Petru MIHAI Department of Structural Mechanics Faculty of Civil Engineering and Building ServicesGheorghe Asachi Technical University of Iasi700050 IasiRomania Department of Civil Engineering Faculty of Engineering TechnologyUniversity of Twente7552 LW Enschedethe Netherlands Department of Concrete MaterialsTechnology and ManagementFaculty of Civil Engineering and Building ServicesGheorghe Asachi Technical University of Iasi700050 IasiRomania

The construction industry is a major contributor to environmental *** effect of the construction industry on the environment may be mitigated using eco-friendly construction materials,such as *** developed,biocomposites may offer a viable alternative to the current materials in ***,biocomposites are lagging in terms of adoption and eventual use in the construction *** article provides insights into the steps for biocomposites to become a product that is ready to use by the construction industry in a structural *** development and the adoption of such a material is tackled with the use of two concepts,i.e.,technology readiness level and roadmapping,and explored in a case study on the“liquid wood”.Furthermore,interviews in the construction industry are carried out to identify the industry’s take on biocomposites.A customized roadmap,which underlines a mostly nontechnical perspective concerning this material,has ***,the adoption and diffusion issues that the“liquid wood”may encounter are outlined and complemented with further recommendations.

关键词： biocomposite technology readiness level roadmap interview “liquid wood”

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The Impact of Sleep Patterns on Academic Performance and Social Integration among Medical Students

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Journal of Biosciences and Medicines 2024年第8期12卷 189-198页

作者： Livia-Ștefana Găgilă tudor Cojocaru Giulia-Mihaela Pînzariu Daria Georgiana Sauciuc Diana Elena Lupașcu Livia Amira Sauciuc Ioana Ilinca Ursachianu Elena Cojocaru Faculty of Medicine University of Medicine and Pharmacy Grigore T. Popa Iai Romania Morpho-Functional Sciences II Department Grigore T. Popa University of Medicine and Pharmacy Iasi Romania

Introduction: The impact of sleep on student life is crucial, particularly for those in demanding fields such as medicine. This study examines the relationships between sleep patterns, academic performance, and social integration among medical students, who often face irregular sleep cycles and sleep deprivation due to rigorous academic demands. Aim: This study aims to assess how sleep issues affect academic achievement and social relationships among medical students. Method: Data were collected from 215 medical students through surveys and academic records. Quantitative data provided insights into sleep quality and academic performance, while qualitative interviews explored the effects of sleep on social interactions. Results: The findings revealed a significant correlation between sleep quality and academic performance, with students reporting better sleep hygiene achieving higher grades. Qualitative data indicated that poor sleep negatively impacts social interactions, leading to feelings of isolation and reduced social participation. Conclusions: The study highlights the importance of promoting good sleep practices in medical schools to enhance academic success and social well-being. Interventions aimed at improving sleep quality may help reduce burnout and improve overall well-being among medical students. Future research should focus on longitudinal studies to better understand the long-term effects of sleep on academic and social outcomes in this population.

关键词： Student Medicine Sleep Quality Academic Performance

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FRACTIONAL 2D-STOCHASTIC CURRENTS

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Acta Mathematica Scientia 2013年第6期33卷 1507-1521页

作者： Ciprian A.tudor Maria tudor Laboratoire Paul Painlev Universit de Lille 1 F-59655 Villeneuve d’AscqFrance Department of Mathematics Academy of Economical StudiesBucharestRomania

Using multiple stochastic integrals and the stochastic calculus for the frac-tional Brownian sheet, we define and we analyze the 2D-fractional stochastic currents.

关键词： currents multiple stochastic integrals fractional Brownian sheet two-parameter processes Hurst parameter

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Pulmonary complications of portal hypertension:The overlooked decompensation

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World Journal of Clinical Cases 2022年第17期10卷 5531-5540页

作者： Rares Craciun tudor Mocan Bogdan Procopet Andrada Nemes cristian Tefas Mihaela Sparchez Lavinia-Patricia Mocan Zeno Sparchez 3^(rd)Medical Clinic Department of Internal Medicine"Iuliu Hatieganu"University of Medicine and PharmacyCluj-Napoca 400162Romania Gastroenterology Clinic "Prof.Dr.O.Fodor"Regional Institute of Gastroenterology and HepatologyCluj-Napoca 400162Romania Intensiv Care Unit I Cluj County Emergency HosptialCluj-Napoca 400006Romania 2^(nd)Paediatric Clinic "Iuliu Hatieganu"University of Medicine and PharmacyCluj-Napoca 400126Please enter the state or provinceRomania Department of Histology "Iuliu Hatieganu"University of Medicine and PharmacyCluj-Napoca 400349Romania

The systemic nature of cirrhosis and portal hypertension has long been recognized,and the amount of data characterizing the interplay between each system is becoming ever so *** involvement was among the first described associated entities in cirrhosis,with reports dating back to the late nineteenth ***,it appears that throughout the years,interest in the pulmonary complications of portal hypertension has generally faded,especially in contrast to other decompensating events,as expertise in this field has primarily been concentrated in highly experienced tertiary care facilities and liver transplantation *** affecting up to 10%-15%of patients with advanced liver disease and having a proven prognostic impact,hepato-pulmonary syndrome,porto-pulmonary hypertension,and hepatic hydrothorax are frequently misdiagnosed,mistreated,or *** lack of precision might adversely impact patient care,referral to expert centers,and,ultimately,liver disease-related mortality and successful transplantation *** present minireview aims to increase awareness of the pulmonary complications of chronic liver disease by providing a brief overview of each of the three *** paper focuses on the essential theoretical aspects,addressing the most critical knowledge gaps on the one hand and,on the other hand,critically discussing one key issue for each complication.

关键词： Hepato-pulmonary syndrome Porto-pulmonary hypertension Hepatic hydrothorax Cirrhosis Portal hypertension Advanced liver disease

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Endoscopic or percutaneous biliary drainage in hilar cholangiocarcinoma:When and how?

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World Journal of Gastrointestinal Oncology 2021年第12期13卷 2050-2063页

作者： tudor Mocan Adelina Horhat Emil Mois Florin Graur cristian Tefas Rares Craciun Iuliana Nenu Mihaela Spârchez Zeno Sparchez Third Medical Department "Iuliu Hatieganu"University of Medicine and PharmacyCluj-Napoca 400162Romania Institute for Gastroenterology and Hepatology Cluj-Napoca 400162Romania Second Pediatric Department University of Medicine and Pharmacy"Iuliu Hatieganu"Cluj-Napoca 400162Romania

Hilar cholangiocarcinoma (hCCA) is a primary liver tumor associated with a dimprognosis. The role of preoperative and palliative biliary drainage has long beendebated. The most common techniques are endoscopic retrograde cholangiopancreatography(ERCP) and percutaneous transhepatic biliary drainage (PTBD);however, recently developed endoscopic ultrasound-assisted methods are gainingmore atention. Selecting the best available method in any specific scenario iscrucial, yet sometimes challenging. Thus, this review aimed to discuss theavailable techniques, indications, perks, pitfalls, and timing-related issues in themanagement of hCCA. In a preoperative setting, PTBD appears to have someadvantages: low risk of postprocedural complications (namely cholangitis) andbetter priming for surgery. For palliative purposes, we propose ERCP/PTBDdepending on the experience of the operators, but also on other factors: the levelof bilirubin (if very high, rather PTBD), length of the stenosis and the presence ofcholangitis (PTBD), ERCP failure, or altered biliary anatomy.

关键词： Hilar cholangiocarcinoma Endoscopic biliary drainage Percutaneous biliary drainage Endoscopic ultrasound biliary drainage Surgical oncology

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Generalized Rectangular Convexity

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数学学报:英文版 2023年第9期39卷 1795-1804页

作者： Li Ping Yuan tudor Zamfirescu School of Mathematical Sciences Hebei Normal UniversityShijiazhuang050024P.R.China Hebei International Joint Research Center for Mathematics and Interdisciplinary Science Shijiazhuang050024P.R.China Hebei Key Laboratory of Computational Mathematics and Applications Shijiazhuang050024P.R.China Fachbereich Mathematik TU Dortmund44221DortmundGermany Institute of Mathematics“Simion Stoilow” Romanian AcademyBucharestRomania

In this paper we investigate the tr-convexity and the rectangular biconvexity in Euclidean spaces.

关键词： tr-convex thin rectangular convexity rectangular biconvexity

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STOCHASTIC HEAT EQUATION WITH FRACTIONAL LAPLACIAN AND FRACTIONAL NOISE:EXISTENCE OF THE SOLUTION AND ANALYSIS OF ITS DENSITY

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Acta Mathematica Scientia 2017年第6期37卷 1545-1566页

作者：刘俊峰 Ciprian A.tudor Department of Statistics Nanjing Audit UniversityNanjing 211815China Laboratoire Paul Painleve Universite de Lille 1F-59655 Villeneuve d'AscqFrance CIMFAVUniversidad de ValparaisoChile

In this paper we study a fractional stochastic heat equation on Rd （d 〉 1） with additive noise /t u（t, x） = Dα/δ u（t, x）＋ b（u（t, x））＋ WH （t, x） where D α/δ is a nonlocal fractional differential operator and W H is a Gaussian-colored noise. We show the existence and the uniqueness of the mild solution for this equation. In addition, in the case of space dimension d = 1, we prove the existence of the density for this solution and we establish lower and upper Gaussian bounds for the density by Malliavin calculus.

关键词： stochastic partial differential equation fractional Brownian motion Malliavincalculus Gaussian density estimates

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