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Predictive value of C-reactive protein/albumin ratio in acute pancreatitis

Hepatobiliary & Pancreatic Diseases International 2017年第4期16卷 424-430页

作者： Mustafa Kaplan Ihsan Ates Muhammed Yener Akpinar Mahmut Yuksel Ufuk Baris Kuzu Sabite Kacar orhan coskun Ertugrul Kayacetin Department of Gastroenterology Turkey Yuksek Ihtisas Training and Research HospitalAnkara 06100Turkey Department of Internal Medicine Ankara Numune Training and Research HospitalAnkara 06100Turkey

BACKGROUND:Serum C-reactive protein(CRP) increases and albumin decreases in patients with inflammation and ***,their role in patients with acute pancreatitis is not *** present study was to investigate the predictive significance of the CRP/albumin ratio for the prognosis and mortality in acute pancreatitis ***:This study was performed retrospectively with 192 acute pancreatitis patients between January 2002 and June *** scores,Atlanta classification and CRP/albumin ratios of the patients were ***:The CRP/albumin ratio was higher in deceased patients compared to *** CRP/albumin ratio was positively correlated with Ranson score and Atlanta classification in particular and with important prognostic markers such as hospitalization time,CRP and erythrocyte sedimentation *** addition to the CRP/albumin ratio,necrotizing pancreatitis type,moderately severe and severe Atlanta classification,and total Ranson score were independent risk factors of *** was found that an increase of 1 unit in the CRP/albumin ratio resulted in an increase of 1.52 times in mortality risk.A prediction value about CRP/albumin ratio >16.28 was found to be a significant marker in predicting mortality with 92.1% sensitivity and 58.0% *** was seen that Ranson and Atlanta classification were higher in patients with CRP/albumin ratio >16.28 compared with those with CRP/albumin ratio ≤*** with CRP/albumin ratio >16.28 had a 19.3 times higher chance of ***:The CRP/albumin ratio is a novel but promising,easy-to-measure,repeatable,non-invasive inflammationbased prognostic score in acute pancreatitis.

关键词： Atlanta classification C-reactive protein Glasgow prognostic score Ranson score acute pancreatitis

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An integrated spatial planning of the mountainous landscapes for ski sports in a case area at the eastern Türkiye

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Journal of Mountain Science 2024年第3期21卷 754-767页

作者： SATIR Onur TOSUN Busra coskun OZYOL Funda OZDEMIR Omer Faruk BERBEROGLU Suha Dept.of Landscape Architecture Van Yuzuncu Yil UniversityVan 65090Türkiye School of Physical Education&Sports Van Yuzuncu Yil UniversityVan 65090Türkiye Van Yuzuncu Yil University Dept.of Architecture&Urban Planning Van 65090Türkiye Dept.of Remote Sensing&GIS Cukurova UniversityAdana 01330Türkiye

Mountainous regions have disadvantages in economic development because of harsh physical and climatic ***,winter tourism activities are one of the key components for supporting economic development in the *** a ski resort area supports direct and indirect employment in a region,and it stops immigration from mountainous regions to other *** research aimed to assess the potential ski areas using a multi criteria evaluation technique in the Van region which is located in the eastern part of Tü*** this context,snow cover duration,sun effect,slope,slope length,elevation,population density,distance from main roads and lake visibility were used as input factors in the decision making *** factor was standardized using a fuzzy technique based on existing well-known ski centers in Tü*** weight of inputs was defined by applying a survey to the professional *** most important factors were detected as transportation opportunities and snow covers whereas,the least important factors were elevation and population ***,lake visibility was very important to make a difference from other existing facilities in the ***,it was included as constraints and lake visible areas were extracted at the final stage of the *** ski areas were mapped in three levels as professional,intermediate and beginner *** of the suitable areas was selected as a sample projection and for the 3D simulation of the ski investment *** costs and benefits were *** was found that a ski tourism area investment can be amortized in 3 years in the region.

关键词： Winter sports and tourism Decision making 3D simulation and modelling Landscape planning GIS

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Treatment of Crohn's disease and familial Mediterranean fever by leukopheresis:Single shot for two targets

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World Journal of Gastroenterology 2015年第13期21卷 4078-4081页

作者： Mahmut Yuksel Fatih Saygili orhan coskun Nuretdin Suna Mustafa Kaplan Ufuk Baris Kuzu Zeki Mesut Yalin Kilic Yasemin Ozderin Ozin Ertugrul Kayacetin Department of Gastroenterology Turkiye Yuksek Ihtisas Training and Education HospitalAnkara 06230Turkey

Coexistence of Crohn's disease(CD) and familial Mediterranean fever(FMF) is a rare condition and knowledge about this clinical situation is limited with a few case reports in the literature. The treatment of both diseases depends on their individual therapies. However, it is very hard to deal with this coexistence when CD is refractory to standard therapies. Ongoing activity of CD triggers the clinical attacks of FMF and the symptoms like abdominal pain interfere with both disease presentations which can cause problems about diagnostic and therapeutic approach. The main therapeutic agent for FMF is colchicine and diarrhea is the most common side effect of this drug. This side effect also causes problems about management of these diseases when both of them are clinically active. Here we report probably the first case in the literature with coexisting CD and FMF who was successfully treated by leukopheresis since he was refractory to conventional therapies for CD.

关键词： Crohn’s disease Familial Mediterranean fever Leuko

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Update on pharmacological treatment of acute coronary syndrome without persistent ST segment elevation myocardial infarction in the elderly

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Journal of Geriatric Cardiology 2017年第7期14卷 457-464页

作者： coskun Usta Ash Bedel Department of Pharmacology Faculty of Medicine Akdeniz University Antalya Turkey

The increase in cardiovascular disease prevalence with ageing has been attributed to several age-related changes such as changes in the vascular wall elasticity, the coagulation and haernostatic system and endothelial dysfunction, among other causes. There is a 50% increased mortality risk per 10-year increase in age starting at 65 years old. Here, we aimed to discuss pharmacological treatment in acute coronary syndrome （ACS） without persistent ST segment elevation myocardial infarction in the elderly. The main aim of ACS treatment in elderly people is at preventing ischemia, myocardial damage and complications. A meta-analysis suggests that invasive revascularization therapy is probably most useful in older patients. Dual antiplatelet therapy is currently the standard of care post-ACS. Platelet P2Y12 inhibitors are among the most commonly used medications worldwide, due to their established benefits in the treatment and prevention of arterial throm- bosis. The main recommendation is to tailor antithrombotic treatment, considering body weight, renal function （Class I, level C） and careful evaluation of life expectancy, comorbidities, risk/benefit profile, quality of life and fxailty when invasive strategies are considered （Class IIa, level A） on top of the different recommendations given for a general non ST elevation ACS population. It is obvious that potent P2Y12 in- hibitors will continue to play an important role in pharmacological treatment for elderly ACS patients in the future.

关键词： Acute coronary syndrome Pharmacological interactions The elderly Treatment

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A case of asymptomatic fungal and bacterial colonization of an intragastric balloon

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World Journal of Gastroenterology 2009年第45期15卷 5751-5753页

作者： Halil coskun Suleyman Bozkurt Department of General Surgery Goztepe Training and Research Hospital

Intragastric balloon therapy, as a part of a multidisciplinary weight management program, is an effective short-term intervention for weight loss. Although the insertion procedure is easy and generally well tolerated by patients, a few complications can occur. We report here a heavy smoker with intragastric balloon inser-tion complicated by colonization with opportunistic organisms. The 27-year-old female, body mass index 35.5 kg/m2, had a BioEnterics Intragastric Balloon inserted under conscious sedation without any perioperative complications. Six months later, when the standard removal time arrived, the balloon was seen to be covered with a necrotic white-gray material. Microbiological examination revealed Enterobacter cloacae and Candida species yeast colonies. We recommend that asymptomatic fungal and/or bacterial colonization should be considered among the complications of the intragastric balloon procedure, despite its rarity.

关键词： Gastric balloon Obesity, Complications Infection

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COPOLYMERS OF 2-ACRYLAMIDO-2-METHYL-1-PROPANESULFONIC ACID/MALEIC ACID:SYNTHESIS,CHARACTERIZATION AND ANTIMICROBIAL ACTIVITY

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Chinese Journal of Polymer Science 2007年第5期25卷 491-500页

作者： Cengiz Soykan Ramazan coskun Ali Delibas Ertan Sahin Department of Chemistry Faculty of Science and Arts University of Bozok Yozgat Turkey Department of Chemistry Faculty of Science and Arts University of Ataturk Erzurum Turkey

2-Acrylamido-2-methyl-1-propanesulfonic acid （AMPS）, and maleic acid （MA） copolymerized with different feed ratios using N,N-dimethylformamide as a solvent and benzoyl peroxide （Bz2O2） as an initiator at 70℃. Structure and composition of copolymers for a wide range of monomer feed were determined by elemental analysis （content of N for AMPS-units）. Monomer reactivity ratios for AMPS （M1）-MA （M2） pair were determined by the application of conventional linearization methods such as Fineman-Ross （F-R）, Kelen-Tudos（KT） and Extended Kelen-Tudos （EKT） and a nonlinear error invariable model method using a computer program RREVM. The characterizations were done by Fourier transform infrared spectroscopy （FTIR）, differential scanning calorimetry （DSC） thermal gravimetry analysis （TGA）, and and X-ray diffraction. The antimicrobial effects of polymers were also tested on various bacteria, and yeast.

关键词： Poly(2-acrylamido-2-methyl-l-propanesulfonic acid-co-maleic acid) Thermogravimetric analysis SEM analysis Monomer reactivity ratios.

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R/S ratio in lead Ⅱ, and the prognostic significance of red cell distribution width in acute coronary syndrome

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World Journal of Clinical Cases 2019年第16期7卷 2217-2226页

作者： Abuzer coskun Sevki Hakan Eren Department of Emergency Sivas Numune HospitalSivas 58040Turkey Department of Emergency Medicine Gaziantep University School of MedicineGaziantep 27310Turkey

BACKGROUND In spite of developing medical technologies to discover the etiopathogenesis of diseases and developments in the treatment of coronary artery disease, acute coronary syndromes(ACS) continue to be the main cause of mortality and morbidity worldwide. New cardiac biomarkers and techniques are needed to help provide rapid diagnosis in order to evaluate risk in coronary artery *** To evaluate the effects of R to S ratio(RSR) in the electrocardiograph of patients with ACS, from the point of the arising complication after myocardial infarction(MI), to three-vessel disease(TVD) and *** The data of 1,296 patients with ACS, who presented to the emergency department of our hospital with chest pain between January 2014 and December2018 and were admitted to the cardiology clinic, were retrospectively included in this cross-sectional cohort study. Patients with an RSR value less than I were assigned to group Ⅰ, while those with an RSR value greater than Ⅰ were assigned to group Ⅱ.RESULTS In our study, 466(35.9%) of the 1,296 patients, 357(38.3%) in group 1 and 109(29.9%) in group 2, were female, with a mean age of 61.56 ± 9.42. ST-elevation MI 573(44.2%), unstable angina(UA) 502(38.7%) and non ST-elevation MI 220(17%)were more prevalent in group Ⅰ. Acute anterior MI 263(20.3) in group Ⅰ, and acute inferior MI 184(14.2) in group Ⅱ was higher. Ischemic heart failure was the most common complication. In group Ⅱ, the red cell distribution width(RDW) was 15.42 ± 1.82, the gensini score was 48.39 ± 36.44, the left ventricular ejection fraction was 41.17 ± 10.41, the TVD was 111(8.5), and the mortality rate was 72(5.6), which was significantly higher than group Ⅰ RDW; in MI with ST and nonST-elevation, in TVD, mortality and complications were high and low in UA. In single and multivariate regression analyses, the variables were associated with ACS *** RSR levels may be an auxiliary predictive value in ACS in terms of complications developing

关键词： Acute coronary syndrome Emergency department R/S ratio Red cell distribution width

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Open reduction of a total talar dislocation: A case report and review of the literature

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World Journal of Clinical Cases 2019年第14期7卷 1850-1856页

作者： Furkan Yapici Mehmet coskun Muhammet coskun Arslan Erman Ulu Yunus Emre Akman Department of Orthopedics and Traumatology Metin Sabancl Baltalimanl Bone and Joint Diseases Education and Research HospitalIstanbul 34470Turkey Department of Orthopedics and Traumatology Demiroglu Bilim University Faculty of MedicineIstanbul 34387Turkey

BACKGROUND Total talar dislocation (TTD) is very uncommon for many orthopedic surgeons and emergency/trauma specialists. Scarce cases of TTD have been reported, mainly in the form of open fracture-dislocation injury. CASE SUMMARY We report a very rare injury of closed TTD with a follow-up period of 36 mo. Initial closed reduction was not successful because of a fractured highly unstable medial malleolus displaced into the ankle mortise, blocking the relocation of the talus. The patient was able to walk pain-free after the 3rd month of surgery. At the 36-mo follow-up, there were 10 degrees of flexion loss and 10 degrees of extension loss in the tibiotalar joint. Furthermore, 5 degrees of subtalar joint inversion-eversion loss was present. CONCLUSION Open reduction should be performed for closed TTDs unless closed reduction is successful.

关键词： Total talar dislocation Pan-talar dislocation Talus Case report

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Surveillance for hepatocellular carcinoma in chronic viral hepatitis:Is it time to personalize it?

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World Journal of Gastroenterology 2021年第33期27卷 5536-5554页

作者： coskun Ozer Demirtas Maurizia Rossana Brunetto Department of Gastroenterology and Hepatology Marmara UniversitySchool of MedicineIstanbul 34854Turkey Department of Clinical and Experimental Medicine University Hospital of PisaPisa 56125Italy Hepatology Unit University Hospital of PisaPisa 56125Italy Biostructure and Bio-imaging Institute National Research Council of ItalyNaples 56125Italy

Surveillance with abdominal ultrasound with or without alpha-fetoprotein is recommended by clinical practice guidelines for patients who are considered to be at risk of developing hepatocellular carcinoma(HCC),including those with cirrhosis,advanced fibrosis and special subgroups of chronic hepatitis B(CHB).Application of the standard surveillance strategy to all patients with chronic liver disease(CLD)with or without cirrhosis imposes major sustainability and economic burdens on healthcare ***,a number of HCC risk scores were constructed,mainly from Asian cohorts,to stratify the HCC prediction in patients with ***,even if less than for CHB,a few scoring systems were developed for chronic hepatitis C patients or cirrhotic patients with CLD of different ***,a few newsworthy HCC-risk algorithms were developed for patients with cirrhosis using the combination of serologic HCC markers and clinical ***,the HCC risk stratification appears at hand by several validated multiple score systems,but their optimal performance is obtained only in populations who show highly homogenous clinic-pathologic,epidemiologic,etiologic and therapeutic characteristics and this limitation poses a major drawback to their sustainable use in clinical practice.A better understanding of the dynamic process driving the progression from CLD to HCC derived from studies based on molecular approaches and genetics,epigenetics and liquid biopsy will enable the identification of new biomarkers to define the individual risk of HCC in the near future,with the possibility to achieve a real and cost/effective personalization of surveillance.

关键词： Hepatocellular carcinoma Surveillance Chronic viral hepatitis Risk score Risk-stratification Hepatitis B virus Hepatitis C virus

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Stochastic speed prediction for connected vehicles using improved bayesian networks with back propagation

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Science China(Technological Sciences) 2022年第7期65卷 1524-1536页

作者： WANG LiHua CUI YaHui ZHANG FengQi coskun Serdar LIU KaiLong LI GuangLei School of Mechanical and Precision Instrument Engineering Xi'an University of TechnologyXi'an 710048China Department of Mechanical Engineering Tarsus UniversityTarsusMersin 33400Turkey WMG University of WarwickCoventryCV47ALUK

Advanced vehicular control technologies rely on accurate speed prediction to make ecological and safe decisions. This paper proposes a novel stochastic speed prediction method for connected vehicles by incorporating a Bayesian network(BN) and a Back Propagation(BP) neural network. A BN model is first designed for predicting the stochastic vehicular speed in a priori. To improve the accuracy of the BN-based speed prediction, a BP-based predicted speed error compensation module is constructed by formulating a mapping between the predicted speed and its corresponding prediction error. In the end, a filtering algorithm is developed to smoothen the compensated stochastic vehicular speed. To validate the workings of the proposed approaches in experiments, two typical scenarios are considered: one predecessor vehicle in a double-vehicle scenario and two predecessor vehicles in a multi-vehicle scenario. Simulation results under the considered scenarios demonstrate that the proposed BN-BP fusion method outperforms the BN-based method with respect to the root mean square error, standardized residuals, and R-squared, and the online prediction time of proposed fusion prediction can satisfy a real-time application requirement. The main highlighted contributions of this article are threefold:(1) We put forward an improved BN method, which is combined with a BP neural network, to construct a stochastic vehicular speed prediction method under connected driving;(2) different from existing methods, a unique interconnected framework that consists of a stochastic vehicular speed prediction module, a compensation module, and a speed smoothing module is proposed;(3) extensive simulation studies based on a set of evaluation metrics are illustrated to reveal the advantages and merits of the proposed approaches.

关键词： connected vehicles stochastic vehicular speed prediction Bayesian network back-propagation

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