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Anesthesia Management in Adolescent Bariatric Surgery

Open Journal of Anesthesiology 2021年第12期11卷 361-368页

作者： Sena Sarıcaoğlu Öktem yasemin akçaalan Ezgi Erkılıç Anesthesiology and Reanimation Department Ataturk City Hospital Ankara Turkey

Introduction and Purpose: The problem of obesity has started to increase in children and adolescents, similar to adults, due to irregular and unhealthy diet, the limitation of physical activity and genetic factors. Various difficulties and complications may be encountered in the anesthesia management of obese patients. Difficult airway, difficulty in intravenous and intra-arterial intervention, difficulty in positioning the patient, difficulty in finding suitable equipment for the patient, intraoperative and postoperative pulmonary complications, prolonged recovery and difficulty in patient transport are the points to be considered in perioperative management. In our presentation, we wanted to discuss perioperative anesthesia management in adolescent bariatric surgery, which is not performed frequently, with a case study. Case Presentation: A 16-year-old girl with BMI of 44.4 was evaluated for bariatric surgery due to obesity. She had a history of hypertension, sleep apnea and insulin resistance. In her physical examination, her mouth opening was normal, her Mallampati score was 3, and her neck circumference was 43 cm. After the preoperative difficult intubation preparations were completed, the patient was monitored. The patient was preoxygenated with 100% oxygen for 3 minutes. The patient with comfortable mask ventilation was intubated with an appropriately sized endotracheal tube. Hemodynamics and oxygen saturation remained stable throughout the surgery. At the end of the surgery, she was extubated without any problem and transferred to the pediatric surgical intensive care unit. The patient was taken to the ward on the 2nd postoperative day and discharged on the 6th day. Discussion and Conclusion: The problem of obesity in adolescents is increasing today, and it is possible to struggle with obesity by making lifestyle changes, teaching children and parents about healthy nutrition, encouraging more physical activity and creating weight control

关键词： Anesthesia Bariatric Surgery Obesity

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Evaluation of Operating Room Noise by Different Medical Specialists

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Journal of Environmental Protection 2023年第12期14卷 1016-1024页

作者： Ezgi Erkiliç yasemin akçaalan Ayça Dumanli Özcan Yusuf Furkan Güneş Levent Öztürk Tülin Gümüş Orhan Kanbak Anesthesiology and Reanimation Department Ataturk City Hospital Ankara T&uumlrkiye

Noise pollution is in an increasing trend in the operating rooms, as has been the case in various other domains in life. It has been shown in studies that the main cause of this noise pollution consist of the behavior related to the operating room personel and the surgical equipment. These higher than normal noise levels may increase stress and decrease communication and performance, apart from the negative health effects on the operating team. In this study, we aimed to explore the sources of noise pollution and the place of music on these effects on anesthesiology and surgical doctors. Questions formulated through a questionnaire have been asked to the anesthesiology and surgical department physicians on a voluntary basis, and their approach to the concept of noise has been assessed. The study was planned as a descriptive study. In total, highest impact from noise pollution was found to be the aspirator (74.3%), chatting (55.4%), noises from the monitors (54.8%), alarms (48.6%), surgical material (25.9%) and music (23.8%). Noise had the most impact on the concentration of the doctors with a rate of 61.9%. Anesthesiologists, when compared to other surgical department physicians, were found to be impacted most by music with 37.2%. It is not realistic to eliminate all the noise and distraction. On the other hand, it can be minimalized through sufficient measures. Yet, general measures to keep the silence isn’t too likely to keep the noise down during long operations. Whereas music stays as a matter of personal choice. Controlled studies on whether to keep or not the music in the operating rooms aren’t yet sufficient, due to which, general recommendations do not apply. As a result of this study, we have found that while music might have performance increasing effects, it still has a potential as a distraction and interfere with the communication in the operating room.

关键词： Operating Room Noise Music

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The Evaluation of the Dietary Habits Influence on the Microhardness of Gingiva-Coloured Composite and Acrylic Denture Base Materials

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Advances in Nanoparticles 2024年第3期13卷 79-95页

作者： Hayriye yasemin Yay Kuscu Ilhan Gun Department of Prosthodontics Faculty of Dentistry Mehmet Akif Ersoy University Burdur Trkiye Food Processing Department Burdur Food Agriculture and Livestock Vocational School Mehmet Akif Ersoy University Burdur Trkiye

Purpose: The study investigated the impact of dietary habits, specifically soda, milk kefir, water kefir, almond milk, and distilled water (control) consumption, on the microhardness of gingiva-coloured composite and acrylic denture bases. Methods: Materials included gingiva-coloured composite (Fusion Universal G1), acrylic (Imicryl), and subdivided Procryla group. Subgroups comprised 15 and 30-minute heat polymerized (Pro15, Pro30), and 1 wt% (Pro1Z) and 3 wt% (Pro3Z) zirconium added groups. Immersed in beverages for 1, 7, and 14 days, pH and microhardness were assessed. SEM examined random samples. Statistical analysis used repeated measures ANOVA, and post hoc tests (p Results: The gingiva-coloured composites displayed noteworthy time-associated microhardness changes (p 0.05). Despite variable pH levels in beverages, no substantial group interaction effects were observed (p > 0.05). Initial microhardness rankings shifted after a 14-day immersion. Conclusions: Gingiva-coloured composite exhibited the highest microhardness pre- and post-immersion, followed by Procryla30 and Imicryl groups. .

关键词： Gingiva-Coloured Composite Acrylic Denture Base Materials Hybrid Prosthesis Microhardness Beverages

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Surgical treatment of a rare brachial artery aneurysm postarteriovenous fistula closure after kidney transplant:A case report

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World Journal of Clinical Cases 2024年第21期12卷 4755-4761页

作者： Nahit Arda Demirkan yasemin Keskin Hakan Sevinç Ömer Arda Çetinkaya Department of General Surgery Ankara University School of MedicineAnkara 06100Türkiye Department of General Surgery Dr.Abdurrahman Yurtaslan Ankara Oncology Training and Research HospitalAnkara 06100Türkiye

BACKGROUND Brachial artery aneurysms are defined as dilations greater than 50%of the normal diameter,which are rare among all peripheral arterial *** they are often present as pseudoaneurysms,true brachial artery aneurysms are also detected *** this case report,the surgical repair method of true brachial artery aneurysms,which is a rare condition,is *** SUMMARY Herein,we present a 61-year-old male patient with complaints of swelling and pain in the right arm antecubital region that had been progressing over 6 *** the diagnosis of a true brachial artery aneurysm associated with arteriovenous fistula,the aneurysm was surgically repaired with an autologous saphenous vein *** patient was discharged without any neurovascular complications *** True brachial artery aneurysms are rare and there are not any recommendations for their management in the current *** though the treatment of true aneurysms in this artery is primarily based on a surgical treatment,endovascular repair also might be an option.

关键词： Brachial artery aneurysm Arteriovenous fistula Kidney transplantation Surgical repair Autologous vein interposition Case report

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Gaussian Kernel Based SVR Model for Short-Term Photovoltaic MPP Power Prediction

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Computer Systems Science & Engineering 2022年第4期41卷 141-156页

作者： yasemin Onal Department of Electrical and Electronics Engineering Bilecik Seyh Edebali UniversityBilecik11000Turkey

Predicting the power obtained at the output of the photovoltaic(PV)system is fundamental for the optimum use of the PV ***,it varies at different times of the day depending on intermittent and nonlinear environmen-tal conditions including solar irradiation,temperature and the wind speed,Short-term power prediction is vital in PV systems to reconcile generation and demand in terms of the cost and capacity of the *** this study,a Gaussian kernel based Support Vector Regression(SVR)prediction model using multiple input variables is proposed for estimating the maximum power obtained from using per-turb observation method in the different irradiation and the different temperatures for a short-term in the DC-DC boost converter at the PV *** performance of the kernel-based prediction model depends on the availability of a suitable ker-nel function that matches the learning objective,since an unsuitable kernel func-tion or hyper parameter tuning results in signiﬁcantly poor *** this study for theﬁrst time in the literature both maximum power is obtained at max-imum power point and short-term maximum power estimation is *** evaluating the performance of the suggested model,the PV power data simulated at variable irradiations and variable temperatures for one day in the PV system simulated in MATLAB were *** maximum power obtained from the simu-lated system at maximum irradiance was 852.6 *** accuracy and the perfor-mance evaluation of suggested forecasting model were identiﬁed utilizing the computing error statistics such as root mean square error(RMSE)and mean square error(MSE)*** and RMSE rates which obtained were 4.5566*10-04 and 0.0213 using ANN *** and RMSE rates which obtained were 13.0000*10-04 and 0.0362 using SWD-FFNN *** SVR model,1.1548*10-05 MSE and 0.0034 RMSE rates were *** the short-term maximum power prediction,SVR gave higher prediction performance according to ANN and SWD-FFNN.

关键词： Short term power prediction Gaussian kernel support vector regression photovoltaic system

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Removal of heavy metals from aqueous solution by sawdust adsorption

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Journal of Environmental Sciences 2007年第2期19卷 160-166页

作者： BULUT yasemin TEZ Zeki Faculty of Arts and Sciences Department of Chemistry University of Dicle21280 DiyarbakirTurkey. Faculty of Techniqual Education Department of Textile Marmara UniversityGztepeIstanbulTurkey

The adsorption of lead, cadmium and nicel from aqueous solution by sawdust of walnut was investigated. The effect of contact time, initial metal ion concentration and temperature on metal ions removal has been studied. The equilibrium time was found to be of the order of 60 min. Kinetics fit pseudo first-order, second-order and intraparticle diffusion models, hence adsorption rate constants were calculated. The adsorption data of metal ions at temperatures of 25, 45 and 60~C have been described by the Freundlich and Langmuir isotherm models. The thermodynamic parameters such as energy, entropy and enthalpy changes for the adsorption of heavy metal ions have also been computed and discussed. Ion exchange is probably one of the major adsorption mechanisms for binding divalent metal ions to the walnut sawdust. The selectivity order of the adsorbent is Pb（I1）~Cd（II）〉Ni（I1）. From these results, it can be concluded that the sawdust of walnut could be a good adsorbent for the metal ions from aqueous solutions.

关键词： adsorption heavy metals sawdust kinetic thermodynamic parameters

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Hematological profile of COVID-19 infected children before and after the spread of the Omicron variant in Istanbul

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Asian Pacific Journal of Tropical Medicine 2022年第12期15卷 551-557页

作者： Berkin Berk akbeyaz AyŞe Karaaslan CerenÇetin Mehmet Tolga Köle Zeynep AltaŞ yasemin akın Department of Pediatrics University of Health SciencesKartal Dr.Lütfi Kirdar City HospitalPediatric Hematology and Oncology IstanbulTurkey Department of Pediatric Infectious Diseases University of Health SciencesKartal Dr.Lütfi Kirdar City HospitalIstanbulTurkey Department of Pediatrics University of Health SciencesKartal Dr.Lütfi Kirdar City HospitalIstanbulTurkey Department of Public Health Marmara UniversityIstanbulTurkey

Objective:To examine the effect of the COVID-19 virus,especially the Omicron variant,on hematological parameters of hospitalized pediatric patients during the COVID-19 ***:Medical records of pediatric COVID-19 patients hospitalized at Kartal Dr.Lütfi K?rdar City Hospital in Istanbul,Turkey,between March 2020 and May 2022 were retrospectively reviewed to analyze data regarding demographics,SARS-Co V-2 infection polymerase chain reaction(PCR)test results,reversetranscriptase(RT)-PCR for other respiratory agents,duration of hospital stay,and hematological and biochemical laboratory ***:Out of 467 children with a confirmed diagnosis of SARSCo V-2 infection,94(20.1%)had Omicron infection and 373(79.9%)were infected with other variants;the Omicron group had younger patients than the remaining samples(P<0.001).The most frequent clinical symptoms in all children were cough(53.5%)and fever(32.3%),followed by vomiting(20.8%).Lung involvement in the Omicron group(10.6%)was significantly lower than in the remaining samples(29.8%)(P<0.001).Hemoglobin and lymphocyte levels were lower in the Omicron-infected group(both P<0.001),while prothrombin time,activated partial thromboplastin time,international normalized ratio,and D-dimer levels were significantly higher in this group(P<0.001,P<0.001,P<0.001,and P=0.023,respectively).In terms of lung involvement,those with lung involvement were significantly older(P<0.001).Conclusions:Although lung involvement was less common with Omicron infection,this group had greater hematological system involvement,such as anemia,lymphopenia,D-dimer elevation,and coagulation disorders.

关键词： COVID Children Omicron Hematologic findings

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Performance of Lung Cancer Prediction Methods Using Different Classification Algorithms

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Computers, Materials & Continua 2021年第5期67卷 2015-2028页

作者： yasemin Gültepe Department of Computer Engineering Engineering and Architecture FacultyKastamonu UniversityKastamonu37200Turkey

In 2018,1.76 million people worldwide died of lung *** of these deaths are due to late diagnosis,and early-stage diagnosis significantly increases the likelihood of a successful treatment for lung *** learning is a branch of artificial intelligence that allows computers to quickly identify patterns within complex and large datasets by learning from existing ***-learning techniques have been improving rapidly and are increasingly used by medical professionals for the successful classification and diagnosis of early-stage *** are widely used in cancer *** particular,machine learning has been used in the diagnosis of lung cancer due to the benefits it offers doctors and *** this context,we performed a study on machine-learning techniques to increase the classification accuracy of lung cancer with 32×56 sized numerical data from the Machine Learning Repository web site of the University of California,*** this study,the precision of the classification model was increased by the effective employment of pre-processing methods instead of direct use of classification *** datasets were derived with pre-processing methods and six machine-learning classification methods were used to achieve this *** study results suggest that the accuracy of the k-nearest neighbors algorithm is superior to random forest,naïve Bayes,logistic regression,decision tree,and support vector *** performance of pre-processing methods was assessed on the lung cancer *** most successful preprocessing methods were Z-score(83%accuracy)for normalization methods,principal component analysis(87%accuracy)for dimensionality reduction methods,and information gain(71%accuracy)for feature selection methods.

关键词： Lung cancer machine learning dimensionality reduction normalization feature selection

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Human bocavirus infection in children hospitalized with lower respiratory tract infections:Does viral load affect disease course?

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Asian Pacific Journal of Tropical Medicine 2022年第8期15卷 354-360页

作者： Ayşe Karaaslan CerenÇetin Serap Demir Tekol Ufuk Yükselmiş Mehmet Tolga Köle yasemin akın Department of Pediatric Infectious Diseases University of Health SciencesKartal Dr.Lütfi Kırdar City HospitalIstanbulTurkey Department of Microbiology University of Health SciencesKartal Dr.Lütfi Kırdar City HospitalIstanbulTurkey Department of Pediatric Intensive Care Unit University of Health SciencesKartal Dr.Lütfi Kırdar City HospitalIstanbulTurkey Department of Pediatrics University of Health SciencesKartal Dr.Lütfi Kırdar City HospitalIstanbulTurkey

Objective:To examine the effects of human bocavirus type 1(HBoV1)on the course of lower respiratory tract infections in cases of monoinfection and coinfection,and the effects of HBoV1 viral load on the disease in children under six years old hospitalized with a diagnosis of HBoV1-associated lower respiratory tract ***:Children under six years of age,who were hospitalized with the diagnosis of lower respiratory tract infection due to HBoV1 between 1 January 2021 and 1 January 2022 were included in the *** confirmation of the respiratory pathogens was performed using polymerase chain reaction(PCR).Results:Fifty-four(16.4%)children with HBoV1 among 329 children whose PCR was positive with bacterial/viral agent in nasopharyngeal swab samples were included in the *** were 28(51.9%)males and 26(48.1%)females with a median age 23.4 months[interquartile range(IQR):13.2,30.0 months](min-max:1 month-68 months).HBoV1 was detected as a monoinfecton in 26(48.1%)children,and as a coinfection with other respiratory agents in 28 children(51.9%).In multiple regression analysis,coinfection(P=0.032)was associated with the length of hospitalization(P<0.001;R^(2)=0.166).There was a negative correlation(r=−0.281,P=0.040)between cough and cycle *** was found to be positively correlated with C-reactive protein(r=0.568,P<0.001)and procalcitonin(r=0.472;P=0.001).Conclusions:Although we found a higher HBoV1 viral load in children with more cough symptoms in our study,it had no effect on the severity of the disease,such as length of hospital stay and need for intensive *** was found to affect the length of hospitalization.

关键词： Human bocavirus Lower respiratory tract infection Children Viral load

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An adult case of medulloblastoma in the cerebellopontine angle extending to the supratentorial area

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Neural Regeneration Research 2010年第21期5卷 1678-1680页

作者： yasemin Benderli Cihan Department of Radiation Oncology Kayseri Training and Research Hospital

Medulloblastoma is an undifferentiated embryonic neuroepithelial tumor. It is a rare tumor in the central nervous system, with an even rarer occurrence during adulthood. It may develop at an atypical and uncommon site, such as the cerebellopontine angle （CPA）, and such tumors rarely present with supratentorial extension. The present study reports an adult case of medulloblastoma in the CPA extending to the supratentorial area. The patient presented with complaints of headache, vertigo, hearing difficulty in the left ear, nausea/vomiting, and unsteady gait. Disequilibrium began 4 weeks earlier. Examination revealed normal cranial nerves, and computed tomography showed a hyperdense lesion, with a heterogeneously enhancing mass, in the left CPA region. The patient underwent a nearly total excision of the lesion in the CPA region. Histopathological examination confirmed medulloblastoma, WHO grade IV. Postoperatively, the patient received radiotherapy and remained asymptomatic for 30 months. However, he received two more surgeries for relapse and progression of medulloblastoma and eventually died. A CPA medulloblastoma with supratentorial extension is relatively rare in the clinic.

关键词： medulloblastoma adult cerebellopontine angle supratentorial extension

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