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Investigation of risk factors in the development of recurrent urethral stricture after internal urethrotomy

World Journal of Clinical Cases 2024年第14期12卷 2324-2331页

作者： Abdullah Gul ozgur ekici Salim Zengin Deniz Barali Tarik Keskin Department of Urology University of Health SciencesBursa Yüksekİhtisas Education and Research HospitalBursa 16100Türkiye Department of Urology University of Health SciencesBursa City HospitalBursa 16000Türkiye

BACKGROUND Urethral stricture is a condition that often develops with trauma and results in narrowing of the urethral *** endoscopic methods are mostly used in its treatment,it has high recurrence ***,open urethroplasty is recommended after unsuccessful endoscopic *** To investigate the risk factors associated with urethral stricture *** The data of male patients who underwent internal urethrotomy for urethral stricture between January 2017 and January 2023 were retrospectively *** data,comorbidities,preoperative haemogram,and biochemical values obtained from peripheral blood and operative data were *** were divided into two groups in terms of recurrence development;recurrence and *** recorded data were compared between the two *** A total of 303 patients were included in the *** mean age of the patients was 66.6±13.6 *** mean duration of recurrence development was 9.63±9.84(min-max:1-39)months in the recurrence *** did not occur in non-recurrence group throughout the follow-up period with an average time of 44.15±24.07(min-max:12-84)*** the comparison of both groups,the presence of diabetes mellitus(DM),hypertension(HT),and multiple comorbidi-ties were significantly higher in the recurrence(+)group(P=0.038,P=0.012,P=0.013).Blood group,postoperative use of non-steroidal anti-inflammatory drugs,preoperative cystostomy,cause of stricture,iatrogenic cause of stricture,location and length of stricture,indwelling urinary cathater size and day of catheter removal did not differ between the two *** statistically significant difference was observed between the two groups in terms of age,uroflowmetric maximum flow rate value,hemo-gram parameters,aspartate aminotransferase(AST),alanine aminotransferase(ALT),fasting blood sugar,creati-nine,glomerular filtration rate,neutrophil-lymphocyte ratio,platelet-lymphocyte ratio,lymphocyte-

关键词： Inflammation Internal urethrotomy Recurrence Urethral stricture Urethra

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Bladder stone due to late clip migration after prostatic urethral lift procedure: A case report

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World Journal of Clinical Cases 2023年第30期11卷 7457-7462页

作者： Ali Seydi Bozkurt ozgur ekici Ercüment Keskin Fatih Kocoglu Department of Urology Erzincan Binali Yıldırım University School of MedicineErzincan 24000Turkey

BACKGROUND Prostatic urethral lift(PUL)therapy is an alternative to minimally invasive and other surgeries in younger patients who want to preserve their sexual and ejaculatory functions,and in elderly male patients with benign prostatic hyperplasia who cannot be anesthetized because of the risk of *** procedure can be performed as an outpatient and without anesthesia,and complications are few and *** long-term follow-up,encrustations that require retreatment are rarely *** SUMMARY In our case,a 62-year-old prostate patient who had a PUL operation 8 years ago and had a stone on the PUL material near the bladder neck was *** patient’s stone was removed by endoscopic cystolithotripsy using pneumatic *** transurethral resection of the prostate was applied to the patient in the same *** the patient’s 7-year follow-up,the patient’s complaints relapsed,and cystoscopy was performed *** cystoscopy,stone formation adjacent to the wall was observed at the junction of the bladder neck to the left lateral *** stone was fragmented with a pneumatic *** Placing clips too close to bladder neck in the PUL procedure may result in clip migration.

关键词： Endoscopic cystolithotripsy Transurethral resection-P Urolift Bladder Stone Case report

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Iatrogenic bladder neck rupture due to traumatic urethral catheterization: A case report

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World Journal of Clinical Cases 2023年第30期11卷 7413-7417页

作者： ozgur ekici Ercüment Keskin Fatih Kocoglu Ali Seydi Bozkurt Department of Urology Faculty of MedicineErzincan Binali Yıldırım UniversityErzincan 24000Turkey

BACKGROUND In this article,we present a case of iatrogenic bladder neck rupture due to catheter insertion in a 94-year-old comorbid male *** SUMMARY The patient,who had a urethral catheter inserted in the palliative service 3 d ago,was consulted because the catheter did not *** the fluid given to the bladder could not be recovered,computed tomography was performed,which revealed that the catheter had passed the bladder neck first into the retrovesical area then into the intraabdominal *** appearance of the anterior urethra and verumontanum was normal at ***,extremely severe stenosis of the bladder neck,and perforated posterior wall of the urethral segment between the prostatic urethra and the bladder neck were *** urethrotomy was applied to the bladder neck with a *** urethral catheter was sent over the guide wire into the *** patient was followed in the palliative care service and the catheter was removed 7 d *** extravasation was observed in the control *** Although catheter insertion is a simple and frequently performed procedure in hospitalized patients,it is necessary to avoid unnecessary extra-indication catheter insertion.

关键词： Bladder neck rupture Uretrhral catheterization Iatrogenic Extravasation False route Case report

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Determination of characteristics for mechanically separated organic fraction of MsW at a full-scale anaerobic digestion plant

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Waste Disposal and Sustainable Energy 2024年第2期6卷 233-241页

作者： Yagmur Kabakci Sadiye Kosar ozgur Dogan Fehmi Gorkem Uctug Osman Atilla Arikan Department of Environmental Engineering Istanbul Technical University34469 AyazagaIstanbulTurkiye TUBITAK Marmara Research Center 41400 GebzeKocaeliTirkiye Centre for Water Technology(WATEC)and Department of Biological and Chemical Engineering Aarhus UniversityOle Worms Allé38000 Aarhus CDenmark Faculty of Engineering Izmir University of Economics35330BalcovaIzmirTurkiye

Anaerobic digestion(AD)as a waste management method has the potential to reduce greenhouse gas emissions while pro-ducing renewable energy,making it a viable option for managing the organic fraction of municipal solid waste(OFMSW).OFMSW characteristics can vary depending on factors such as waste source,composition and separation *** charac-teristics of OFMSW are critical for analyzing and monitoring the AD process to optimize biogas *** this study,the waste composition and physicochemical characteristics of the mechanically separated OFMSW(ms-OFMSW)were determined at a full-scale AD plant in *** ms-OFMSW samples were collected monthly after mechanical separation and were subsequently sent to the anaerobic *** composition and physicochemical characteristics of the samples were determined by manual *** results showed that the majority of the ms-OFMSW(76.45%±1.71%)was organic,while 8.99%±1.56%was recyclable and 14.56%±1.69%was *** of environmental benefits for the recyclable materials was determined using a free online tool provided by Environmental Protection ***(399.7 GJ)and plas-tics(403.7 GJ)both saved nearly the same amount of energy while metals saved the most water(421.8 m3),with the greatest positive *** benefits ranged from 3 tons to 40 tons of carbon dioxide equivalent for each waste *** findings suggest that efficient pre-separation units can improve the anaerobic digestibility of OFMSW,while also providing greater environmental benefits by preventing recyclable waste from the anaerobic *** addition to encouraging source separation applications,this study demonstrates the need for improved technologies to separate OFMSW from mixed MSW.

关键词： Anaerobic digestion Composition Mechanical separation Organic fraction of municipal solid waste Ms-OFMSW

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First report of the histopathological effect of electrocautery using on the urethral taste rosea during glans penis injury by incision in rabbits

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Asian Journal of Urology 2024年第1期11卷 115-120页

作者： ozgur Caglar Ayhan Kanat Mehmet Dumlu Aydin Nezih Akca Sevilay Ozmen Ataturk University Medical FacultyDepartment of Pediatric SurgeryErzurumTurkey Recep Tayyip Erdogan University Medical FacultyDepartment of NeurosurgeryRizeTurkey Ataturk University Medical FacultyDepartment of NeurosurgeryErzurumTurkey Recep Tayyip Erdogan University Medical FacultyDepartment of UrologyRizeTurkey Ataturk University Medical FacultyDepartment of PathologyErzurumTurkey

Objective:Currently,electrocautery devices have frequently been used in penile surgical *** hypothesized that electrocautery using during penile surgical procedures may harm the taste rosea and the dorsal nerve of the penis or ***:Eighteen young age male New Zealand rabbits were studied:five in the control(Group I,n=5),five in the penile surgery without using electrocautery(sham group,Group II,n=5),eight in the monopolar cautery(study group,Group III,n=8)groups under general *** animals were followed for 3 weeks and *** tissue—pudendal nerve root complexes and dorsal root ganglion of sacral 3 level were examined using stereological *** results were compared ***:The live and degenerated taste bud-like structures and degenerated neuron densities of pudendal ganglia(mean±standard deviation,n/mm^(3))were estimated as 198±24/mm^(3),4±1/mm^(3),and 5±1/mm^(3) in Group I;8±3/mm^(3),174±21/mm^(3),and 24±7/mm^(3) in Group II;and 21±5/mm^(3),137±14/mm^(3),and 95±12/mm^(3) in Group III,*** of taste buds and pudendal ganglia was significantly different between ***:Intact spinal cord and normal parasympathetic and thoracolumbar sympathetic networks are crucial for human sexual *** present study indicates that the glans penis injury by using electrocautery may lead to pudendal ganglia *** damage to taste rosea and retrograde degeneration of the pudendal nerve may be the cause of sexual dysfunction responsible mechanism.

关键词： Urethral taste rosea Tastebuds Pudendalnerve Degeneration Penile surgery

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How has the COVID-19 pandemic changed treatment preferences of patients with proximal ureteral stones?

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当代泌尿学（英文） 2024年第1期18卷 66-70页

作者： Ali Kaan Yildiz Ahmet Varan Hakan Kurt Omer Gokhan Doluoglu Berat Cem ozgur Department of Urology University of Medical SciencesAnkara Training and Research HospitalAnkaraTurkey

Background:The impact of the coronavirus disease 2019(COVID-19)pandemic on patient decision making remains *** study aimed to investigate the effect of the pandemic on treatment preferences of patients with proximal ureteral stones.Materials and methods:Retrospective data regarding treatment preferences of patients diagnosed with symptomatic proximal ure-teral stones between July 2018 and November 2021 at a single center were *** from 493 patients were analyzed according to 2 groups,including patients diagnosed during the COVID-19 pandemic and those diagnosed during an equivalent period of time be-fore the pandemic.Results:Preference for conservative treatment increased during the COVID-19 pandemic(p=0.009).In patients who had previously undergone shock wave lithotripsy(SWL),the preference for SWL decreased and the preference for conservative treatment increased during the COVID-19 pandemic(p=0.042).Multiple logistic regression analysis revealed a significant correlation between a preference for conservative treatment during the pandemic and no prior spontaneous stone passage(p=0.003;odds ratio[OR],2.48;95％con-fidence interval[CI],1.45-4.23),no hydronephrosis(p=0.035;OR,3.57;95％Cl,1.34-9.49),and a visual analog scale score of 4 or less(p=0.018;OR,1.97;95％Cl,1.15-3.38).Conclusions:A significant increase in the preference for conservative treatment was observed among patients diagnosed during the pandemic,and patients with a history of SWL demonstrated a preference shift from SWL to conservative treatment.

关键词： COVID-19 pandemic Treatment preference Ureter Urolithiasis

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Low Cost Scan Test by Test Correlation Utilization

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Journal of Computer Science & Technology 2007年第5期22卷 681-694页

作者： ozgur Sinanoglu Mathematics and Computer Science Department Kuwait University SafatKuwait

Scan-based testing methodologies remedy the testability problem of sequential circuits; yet they suffer from prolonged test time and excessive test power due to numerous shift operations. The correlation among test data along with the high density of the unspecified bits in test data enables the utilization of the existing test data in the scan chain for the generation of the subsequent test stimulus, thus reducing both test time and test data volume. We propose a pair of scan approaches in this paper; in the first approach, a test stimulus partially consists of the preceding stimulus, while in the second approach, a test stimulus partially consists of the preceding test response bits. Both proposed scan-based test schemes access only a subset of scan cells for loading the subsequent test stimulus while freezing the remaining scan cells with the preceding test data, thus decreasing scan chain transitions during shift operations. The proposed scan architecture is coupled with test data manipulation techniques which include test stimuli ordering and partitioning algorithms, boosting test time reductions. The experimental results confirm that test time reductions exceeding 97%, and test power reductions exceeding 99% can be achieved by the proposed scan-based testing methodologies on larger ISCAS89 benchmark circuits.

关键词： scan-based testing test data compression test correlation scan architecture design

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INTEGRATING COMPLEX SYSTEM DYNAMICS OF PANDEMIC INFLUENZA WITH A MULTI-CRITERIA DECISION MAKING MODEL FOR EVALUATING PUBLIC HEALTH STRATEGIES

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Journal of Systems Science and Systems Engineering 2013年第3期22卷 319-339页

作者： ozgur M ARAZ College of Public Health University of Nebraska Medical CenterUSA

Recent developments in computational sciences and computer modeling have allowed emergency preparedness exercises to include simulation models as supporting tools. These simulation models are generally built for predicting temporal and geographic patterns of disease spread. However sole use of simulation models in exercise design falls short in terms of incorporating policy decision makers＇ preferences into decision-making processes. In this paper, a general framework for exercising public health preparedness plans with a decision support system is presented to integrate estimation of key epidemiological parameters with a system dynamics model of an outbreak. A multi-criteria decision making framework, an Analytical Hierarchy Process model, is then developed and integrated with the simulation model to help public health policy makers prioritize their response goals and evaluate mitigation strategies in a table-top exercise environment.

关键词： Multi-criteria decision making analytical hierarchy process public health preparedness exercises pandemic influenza modeling complex systems

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Gaucher disease:New developments in treatment and etiology

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World Journal of Gastroenterology 2008年第25期14卷 3968-3973页

作者： ozgur Harmanci Yusuf Bayraktar Department of Gastro-enterology Hacettepe University Faculty of Medicine

Gaucher disease (GD) is an autosomal recessive disease which if undiagnosed or diagnosed late results in devastating complications. Because of the heterozygous nature of GD, there is a wide spectrum of clinical presentation. Clinicians should be aware of this rare but potentially treatable disease in patients who present with unexplained organomegaly, anemia, massive splenomegaly, ascites and even cirrhosis of unknown origin. The treatment options for adult type GD include enzyme replacement treatment (ERT) and substrate reduction treatment (SRT) depending on the status of the patient. Future treatment options are gene therapy and "smart molecules" which provide specifi c cure and additional treatment options. In this review, we present the key issues about GD and new developments that gastroenterologists should be aware of.

关键词： Gaucher disease Enzyme replacementtreatment Substrate reduction treatment Genetherapy Liver fibrosis

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Etiology and consequences of thrombosis in abdominal vessels

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World Journal of Gastroenterology 2006年第8期12卷 1165-1174页

作者： Yusuf Bayraktar ozgur Harmanci Hacettepe University Faculty of Medicine Department of Gastroenterology06100 SihhiyeAnkaraTurkey

The thrombophilia which can be either congenital or acquired in adult life has major implications in the abdominal vessels. The resulting portal vein thrombosis, Budd-Chiari syndrome and mesenteric vein thrombosis have a variety of consequences ranging from acute abdomen to chronic hepatomegaly and even totally asymp- tomatic patient in whom the only finding is pancytopenia. The complications like esophageal varices, portal gastropathy, ascites, severe hypersplenism, liver failure requiring liver transplantation are well known. Interesting features of collateral venous circulation showing itself as pseudocholangiocarcinoma sign and its possible clinical reflection as cholestasis are also known from a long time. The management strategies for these complications of intraabdominal vessel thrombosis are not different from their counterpart which is cirrhotic portal hypertension, but the prognosis is unquestionably better in former cases. In this review we presented and discussed the abdominal venous thrombosis, etiology and the resulting clinical pictures. There are controversial issues both in nomenclature, and management including anticoagulation problems and follow up strategies. In light of the current knowledge, we discussed some controversial issues in literature and presented our experience and our proposals about this group of patients.

关键词： Portal vein thrombosis Pseudocholangiocarcinoma sign Thrombophilia Budd-Chiari syndrome Mesenteric vein thrombosis

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