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1Outcomes of bowel program in spinal cord injury patients with neurogenic bowel dysfunction显示文摘In this study, we aimed to determine gastrointestinal problems associated with neurogenic bowel dysfunction in spinal cord injury patients and to assess the efficacy of bowel program on gastrointestinal problems and the severity of neurogenic bowel dysfunction. Fifty-five spinal cord injury patients were included in this study. A bowel program according to the characteristics of neurogenic bowel dysfunction was performed for each patient. Before and after bowel program, gastrointestinal problems(constipation, difficult intestinal evacuation, incontinence, abdominal pain, abdominal distension, loss of appetite, hemorrhoids, rectal bleeding and gastrointestinal induced autonomic dysreflexia) and bowel evacuation methods(digital stimulation, oral medication, suppositories, abdominal massage, Valsalva maneuver and manual evacuation) were determined. Neurogenic bowel dysfunction score was used to assess the severity of neurogenic bowel dysfunction. At least one gastrointestinal problem was identified in 44(80%) of the 55 patients before bowel program. Constipation(56%, 31/55) and incontinence(42%, 23/55) were the most common gastrointestinal problems. Digital rectal stimulation was the most common method for bowel evacuation, both before(76%, 42/55) and after(73%, 40/55) bowel program. Oral medication, enema and manual evacuation application rates were significantly decreased and constipation, difficult intestinal evacuation, abdominal distention, and abdominal pain rates were significantly reduced after bowel program. In addition, mean neurogenic bowel dysfunction score was decreased after bowel program. An effective bowel program decreases the severity of neurogenic bowel dysfunction and reduces associated gastrointestinal problems in patients with spinal cord injury.Zuhal Ozisler Kurtulus Koklu Sumru Ozel Sibel Unsal-Delialioglu 2015Neural Regeneration Research2015,10,7:9
2Protective effects of erythropoietin against acute lung injury in a rat model of acute necrotizing pancreatitis显示文摘瞄准:为了调查外长的 erythro-poietin (EPO ) 的效果,在钠 taurodeoxycholate- 的一个试验性的模型的尖锐的肺损害(ALI ) 上的管理导致了尖锐引起坏死胰腺炎(ANP ) 。方法:47 只男 Wistar 白鼠随机被划分成 7 个组:假冒的组(n = 5 ) , 3 个 ANP 组(n = 7 各个) 并且 3 个 EPO 组(n = 7 各个) 。ANP 被导致由后退进胆总管的 5% 钠 taurodeoxycholate 的注入。在 EPO 组的老鼠收到了 1000 U/kg 肌内的 EPO 立即在 ANP 的正式就职以后。在 ANP 组的老鼠相反被给 1 mL 生理盐水。所有动物被牺牲在手术后 24 h, 48 h 和 72 h。浆液 amilase, IL-2, IL-6 和肺织物 malondialdehyde (MDA ) 被测量。胸膜渗漏体积和肺 / 身体重量(LW/BW ) 比率是计算的。TNF-alpha, IL-2 和 IL-6 的织物层次组织化学地是屏蔽免疫。另外, ox-LDL 累积与免疫者荧光灯的染色被估计。在肺的组织病理学说的改变也被获得。结果:吝啬的胸膜渗漏体积,计算 LW/BW 比率,浆液 IL-6 和肺织物 MDA 层次比在 ANP 组在 EPO 组是显著地更低的。不,统计上,有效差量在这些组之中在浆液或 IL-2 的织物价值被观察。当时, ox-LDL 的肿瘤坏死 factor-alpha (TNF-alpha ) 和 IL-6 和累积的水平在 ANP 组的肺纸巾是明显的与 EPO 组相比,特别地在 72 h。组织病理学说的评估在外长的 EPO 管理以后在肺损害参数证实了改进,特别地在 48 h 和 72 h。结论:EPO 管理由禁止 polymorphonuclear (PMNL ) 在 ALI 参数导致重要减少累积,减少专业版的层次在每氧化的循环,保存微脉管的内皮房间正直和减少的氧化联系压力的类脂化合物的煽动性的 cytokines 并且因此,能在导致 ANP 的 ALI 被认为是一个 cytoprotective 代理人。Oge Tascilar Güldeniz Karadeniz Cakmak Ishak Ozel Tekin Ali Ugur Emre Bulent Hamdi Ucan Burak Bahadir Serefden Acikgoz Oktay Irkorucu Kemal Karakaya Hakan Balbaloglu Gürkan Kertis Handan Ankarali Mustafa Comert 2007World Journal of Gastroenterology2007,13,46:8
3Effect of early preoperative 5-fluorouracil on the integrity of colonic anastomoses in rats显示文摘AIM:To determine the effect of chemotherapy on wound healing by giving early preoperative 5-fluorouracil (5-FU)to rats with colonic anastomoses. METHODS:Sixty Albino-Wistar male rats(median weight,235 g)were used in this study.The rats were fed with standard laboratory food and given tap water ad libitum.The animals were divided into three groups: Group 1:Control group(chemotherapy was not administered),Group 2:Intraperitoneally(IP)administered 5-FU group(chemotherapy was administered IP to animals at a dose of 20 mg/kg daily during the 5 d preceeding surgery),Group 3:Intravenously(IV)administered 5-FU group.Chemotherapy was administered via the penil vein,using the same dosing scheme and duration as the second group.After a 3-d rest to minimize the side effects of chemotherapy,both groups underwent surgery.One centimeter of colon was resected 2 cm proximally from the peritoneal reflection,thensutured intermittently and subsequently end-to-end anastomosed.In each group,half the animals were given anaesthesia on the 3rd postoperative(PO)day and the other half on the 7th PO day,for in vivo analytic procedures.The abdominal incisions in the rats were dissected,all the new and old anastomotic segments were clearly seen and bursting pressures of each anastomotic segment,tissue hydroxyproline levels and DNA content were determined to assess the histologic tissue repair process. RESULTS:When the IV group was compared with the IP group,bursting pressures of the anastomotic segments on the 3rd and 7th PO days,were found to be significantly decreased,hydroxyproline levels at the anastomotic segment on the 7th PO day were significantly decreased(P<0.01). CONCLUSION:In this study,we conclude that early preoperative 5-FU,administered IV,negatively affects wound healing.However,IP administered 5-FU does not negatively affect wound healing.Leyla Ozel M Sefa Ozel Ahmet Burak Toros Melih Kara Kemal Sirri Ozkan Gurkan Tellioglu Osman Krand Meral Koyuturk Ibrahim Berber 2009World Journal of Gastroenterology2009,15,33:7
4Epinephrine plus argon plasma or heater probe coagulation in ulcer bleeding显示文摘AIM:To compare the effectiveness of argon plasma coagulation (APC) and heater probe coagulation (HPC) in non-variceal upper gastrointestinal bleeding.METHODS:Eighty-five (18 female,67 male) patients admitted for acute gastrointestinal bleeding due to gastric or duodenal ulcer were included in the study.Upper endoscopy was performed and HPC or APC were chosen randomly to stop the bleeding.Initial hemostasis and rebleeding rates were primary and secondary end-points of the study.RESULTS:Initial hemostasis was achieved in 97.7% (42/43) and 81% (36/42) of the APC and HPC groups,respectively (P < 0.05).Rebleeding rates were 2.4% (1/42) and 8.3% (3/36) in the APC and HPC groups,respectively,at 4 wk (P > 0.05).CONCLUSION:APC is an effective hemostatic method in bleeding peptic ulcers.Larger multicenter trials are necessary to confirm these results.Ahmet Karaman Mevlut Baskol Sebnem Gursoy Edip Torun Alper Yurci Banu Demet Ozel Kadri Guven Omer Ozbakir Mehmet Yucesoy 2011World Journal of Gastroenterology2011,17,36:4
5Prediction of wear loss quantities of ferro-alloy coating using different machine learning algorithms显示文摘In this study,experimental wear losses under different loads and sliding distances of AISI 1020 steel surfaces coated with(wt.%)50FeCrC‐20FeW‐30FeB and 70FeCrC‐30FeB powder mixtures by plasma transfer arc welding were determined.The dataset comprised 99 different wear amount measurements obtained experimentally in the laboratory.The linear regression(LR),support vector machine(SVM),and Gaussian process regression(GPR)algorithms are used for predicting wear quantities.A success rate of 0.93 was obtained from the LR algorithm and 0.96 from the SVM and GPR algorithms.Osman ALTAY Turan GURGENC Mustafa ULAS Cihan OZEL 2020Friction2020,8,1:2
6玻璃体内注射贝伐单抗对DME患者视力、黄斑中心厚度和眼血流的影响(英文)显示文摘目的:探讨玻璃体内注射贝伐单抗对伴有黄斑水肿的糖尿病患者眼血流参数的影响。方法:患者21例21眼,伴有弥漫性糖尿病性黄斑水肿(diabeticmacular edema,DME),黄斑中心厚度(central macularthickness,CMT)>320μm,无缺血性黄斑水肿或其他血管性视网膜疾病。患者术前以及注射1.25mg/0.05mL贝伐单抗1d,4wk后接受三种眼科检查:视力(visual acuity,VA)检测、光学相干断层扫描(optical coherence tomography,OCT)测量CMT以及采用超声成像测量眼动脉(ophthalmicartery,OA)、视网膜中央动脉(central retinal artery,CRA)、鼻侧睫状后动脉(nasal posterior ciliary artery,NPCA)以及颞侧睫状后动脉(temporal posterior ciliary artery,TPCA)中的收缩期峰值血流速度(peak systolic velocities,PSV)和舒张末期血流速度(end-diastolic velocities,EDV)。阻力指数(resistive indices,RI)由软件自动计算,注射前与注射后1d的血流速度进行了比较。患者术前和注射后4wk的VA和CMT值进行了比较。结果:注射前平均最佳矫正视力(best-corrected visual acuity,BCVA)为0.88±0.21logMAR,注射后为0.54±0.19logMAR(P<0.01)。平均CMT由注射前440.57±54.58μm下降至250.33±31.12μm(-190.24±36.00μm)。PSV、EDV和RI的变化并不显著。结论:贝伐单抗注射后视力显着改善,CMT降低,而PSV、EDV和RI在OA、CRA、TPCA和NPCA中没有显著变化。玻璃体内注射贝伐单抗注射液能改善VA和CMT,但对于糖尿病患者的OA、CRA、TPCA和NPCA的血流速度没有影响。Mehmet Demir Alper Ozel Burcu Dirim Erhan Ozdal Efe Can 2013国际眼科杂志2013,13,3:2
7A new approach for prediction of the wear loss of PTA surface coatings using artificial neural network and basic,kernel-based,and weighted extreme learning machine显示文摘Wear tests are essential in the design of parts intended to work in environments that subject a part to high wear.Wear tests involve high cost and lengthy experiments,and require special test equipment.The use of machine learning algorithms for wear loss quantity predictions is a potentially effective means to eliminate the disadvantages of experimental methods such as cost,labor,and time.In this study,wear loss data of AISI 1020 steel coated by using a plasma transfer arc welding(PTAW)method with FeCrC,FeW,and FeB powders mixed in different ratios were obtained experimentally by some of the researchers in our group.The mechanical properties of the coating layers were detected by microhardness measurements and dry sliding wear tests.The wear tests were performed at three different loads(19.62,39.24,and 58.86 N)over a sliding distance of 900 m.In this study,models have been developed by using four different machine learning algorithms(an artificial neural network(ANN),extreme learning machine(ELM),kernel-based extreme learning machine(KELM),and weighted extreme learning machine(WELM))on the data set obtained from the wear test experiments.The R2 value was calculated as 0.9729 in the model designed with WELM,which obtained the best performance among the models evaluated.Mustafa ULAS Osman ALTAY Turan GURGENC Cihan OZEL 2020Friction2020,8,6:2
8Machining induced surface integrity in titanium and nickel alloys: A review显示文摘Durul Ulutan Tugrul Ozel 2010International Journal of Machine Tools and Manufacture2010,,3:2
9Efficacy of a Modified Sequential Therapy Including Bismuth Subcitrate as First‐Line Therapy to Eradicate H elicobacter pylori in a Turkish Population显示文摘Ahmet Uygun A. Melih OZEL Bulent Sivri Zulfikar Polat Halil Gen? Yusuf Serdar Sakin Gürkan ?elebi Oya Uygur‐Bayrami?li Cemal Nuri Er?in Abdurrahman Kadayif?i Ozdes Emer Armagan Gunal Sait Bagci 2012Helicobacter2012,,6:2
10Machining induced surface integrity in titanium and nickel alloys: A review 显示文摘ULUTAN D OZEL T 2011International Journal of Machine Tools and Manufacture2011,51,3:1
11Wound complications and clinical results of electrocautery versus a scalpel to create a cutaneous flap in thyroidectomy:a prospective randomized trial显示文摘Uludag M Yetkin G Ozel A 2011Surg Today2011,41,8:1
12Experimental and finite element simulation based investigations on micro-milling Ti-6Al-4V Titanium alloy:Effects of CBN coating on tool wear显示文摘THANONGSAK THEPSONTHI TUGRUL OZEL 2013Journal of Materials Processing Technology2013,,213:1
13Process simulation using finite element method-prediction of cutting forces, tool stresses and temperatures in high speed flat end milling 显示文摘OZEL T ALTAN T 2000International Journal Machining Tools & Manufaetures2000,,40:1
14Ovarian ependymoma 显示文摘Erdogan G Ozel E Pestereli H E 2005APMIS2005,113,4:1
15Effect of flowable composite lining on microleakage and internal voids in Class 1I composite restorations 显示文摘Korkmaz Y Ozel E Attar N 2007J Adhes Dent2007,9,2:1
16Treatment of voiding dysfunction after transobturator tape procedure 显示文摘Ozel B Minaglia S Hurtado E 2004Urology2004,64,5:1
17High-performance Electronics Using Dense, Perfectly Aligned Arrays of Single-walled Carbon Nanotubes 显示文摘Kanh S J Kocabas C Ozel T 2007Nature Nanotechnology2007,2,4:1
18Unusual presentations of choanal polyps : Report of 3 cases显示文摘Ozdek A Ozel HE 2014Ear Nose Throat J2014,93,2:1
19Machining induced surface in- tegrity in titanium and nickel alloys: a review 显示文摘Durul Ulutan Tugrul Ozel 2011Inter- national Journal of Machine Tools & Manufacture2011,51,3:1
20A methodology to determine work material flow stress and too-chip interfacial friction properties by using analysis of machining 显示文摘Tugrul Ozel 2006Journal of Manufacturing Science and Engineering2006,128,:1
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