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      • Innovations in HPV Vaccination and Roles of Nurses in Cervical Cancer Prevention

        Yildirim,,Julide,Gulizar,Arabaci,,Zeynep Asian Pacific Organization for Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.23

        The human papilloma virus (HPV) is the main aetiological agent for cervical cancer, one of the most frequent cancers observed in women throughout the world. There are effective programs for reducing the incidence of cervical cancer with HPV vaccination. The objective of this study was to discuss the applicability of the HPV vaccination and the role of nurses in prevention of cervical cancer. Use of bivalent and quadrivalent vaccines has been initiated against the types of HPV which are the primary cause of cancer. The quadrivalent HPV vaccination has entered into the routine vaccination schedule in many European countries for use in children and adolescents between 9-15 years of age and for women between 16-26 years of age, whereas it has been proposed that the bivalent vaccination should be given to girls between 9-18 years of age. While cervical cancer is among the cancers that can be prevented, it is essential to continue screening tests while introducing vaccination in a systematic manner for protection. On this subject, among the most important roles of nurses is to implement the screening programs by fulfilling the caregiving, training and consultancy roles for the society and especially, for high risk groups and to increase the awareness of the people.

      • Evaluation of Cancer Patients Admitted to the Emergency Department within One Month before Death in Turkey: What are the Problems Needing Attention?

        Yildirim,,Birdal,Tanriverdi,,Ozgur Asian Pacific Organization for Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.1

        Background: Although previously studies have reported that most patients with malignancy prefer to die at home, this is not the real situation in clinical practice. Aim: In this study, we aimed to determine the characteristics of Turkish cancer patients admitted to the emergency department (ED) within one month before death. Materials and Method: This descriptive retrospective study focused on questions about how often and why patients with cancer visited the ED before death. A total of 107 individuals with cancer were divided into 2 groups: Group 1, patients with at least one visit in the final 4 weeks; and Group 2, patients with no visit to ED. Demographic and clinical features were compared between the two groups. Statistical analyses: Descriptive statistical methods, statistical analysis for correlation, Student's t-test, chi-square tests and logistic regression were used. Results: At least one visit to ED within one month before death was reported for 64 (60%) of the 107 cases. Of these 64 (Group 1), 38% (n=24) were discharged and 9% (n=6) died in the ED. The most common site of the primary tumor was the lung (n=24, 38%) and the most common symptom was dyspnea (92%). With the other 43 (40%) cancer patients not presenting to the ED within one month before death, they were more likely to be female with another type of cancer. Conclusions: Guidelines are needed for better management of cancer patients benefiting from visits to ED within the last month of life.

      • KCI등재


        Yildirim,,Mustafa The Youngnam Mathematical Society Korea 2002 East Asian mathematical journal Vol.18 No.1

        In this paper, we determine the spectrum of the Rhaly matrix $R_a$ as an operator on the space by, when $lim_n(n+1)a_n{\neq}0$ and exists.

      • Roles of Neutrophil/Lymphocyte and Platelet/Lymphocyte Ratios in the Early Diagnosis of Malignant Ovarian Masses

        Yildirim,,Mem,Arjen,Seckin,,Kerem,Doga,Togrul,,Cihan,Baser,,Eralp,Karsli,,Mehmet,Fatih,Gungor,,Tayfun,Gulerman,,Hacer,Cavidan Asian Pacific Organization for Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.16

        Background: The present study aimed to investigate the utility and importance of the various parameters of complete blood count panel for benign-malignant differentiation of adnexal masses. Materials and Methods: This retrospective study involved 316 patients with documented benign and 253 patients with malignant adnexal masses who underwent primary surgical treatment at a tertiary referral center. Prior to the study, all benign and malignant cases were compared within their own groups and then the benign and malignant cases were compared to each other. For all cases, cut-off, sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) were calculated for the neutrophil lymphocyte ratio (NLR), platelet lymphocyte ratio (PLR), neutrophil, lymphocyte, platelet and CA-125 parameters, and the results were compared in regards to the groups. Results: NLR, PLR, neutrophil, CA-125, and platelet values were higher in the malignant compared to the benign cases (p<0.01). The lymphocyte value was lower in the malignant cases (p<0.01). No significant differences were found for basophils and eosinophils (p > 0.05). For CA-125, the sensitivity, specificity, PPV and NPV for all cases were 78%, 62%, 62% and 78%, respectively. For NLR, they were 65.6%, 72.1%, 65.3%, and 72.3%, and for PLR, 48%, 81%, 67%, and 66%. Additionally, the sensitivity and specificity were 55% and 77% for CA-125, 66% and 58% for NLR, and 61% and 58% for PLR in early malignant cases. Conclusions: NLR and PLR appear to be useful methods that can be applied together with CA-125 due to the relatively high sensitivity values for the malign-benign differentiation of ovarian masses. Although the specificity of these parameters is lower than CA-125, especially in cases with early malignant ovarian pathology, their sensitivity being higher is promising for the early diagnosis of ovarian cancer. It can be used to detect ovarian malignancies in the early stages, and it will increase the treatment options and improve survival rates.

      • Tumour Markers in Peritoneal Washing Fluid - Contribution to Cytology

        Yildirim,,Mustafa,Suren,,Dinc,Yildiz,,Mustafa,Alikanoglu,,Arsenal,Sezgin,Kaya,,Vildan,Doluoglu,,Suleyman,Gunhan,Aydin,,Ozgur,Yilmaz,,Necat,Sezer,,Cem,Karaca,,Mehmet Asian Pacific Organization for Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.2

        Background: Peritoneal washing cytology (PWC) that shows the microscopic intra-peritoneal spread of gynaecologic cancers is not used in staging but is known as prognostic factor and effective in planning the intensity of the therapy. False negative or false positive results clearly affect the ability to make the best decision for therapy. In this study we assessed levels of tumour markers, carcinoembryonic antigen (CEA), cancer antigen 125 (CA-125) and carbohydrate antigen (CA19-9), in peritoneal washing fluid to establish any possible contribution to the peritoneal washing cytology in patients operated for gynaecologic cancer. Materials and Methods: Preoperative tumour markers were studied in serum of blood samples obtained from the patients for preoperative evaluation of a gynaecologic operation. In the same group peritoneal tumour markers were studied in the washing fluid obtained for intraoperative cytological evaluation. Results: This study included a total of 94 patients, 62 with malignant and 32 with benign histopathology. The sensitivity of the cytological examination was found to be 21% with a specificity of 100%. When evaluated with CEA the sensitivity of the cytological examination has increased to 37%. Conclusions: In addition to examination of PWC, the level of CEA, a tumour marker, in peritoneal washing fluid can make a diagnostic contribution. Determining the level of CEA in peritoneal washing fluid will be useful in the management of gynaecologic cancers.

      • SCOPUSKCI등재


        Yildirim,,Mustafa Korean Mathematical Society 2003 대한수학회논문집 Vol.18 No.4

        In 1989, Rhaly [4] determined the spectrum of Rhaly operator $R_{a}$ on the Hilbert space ${\ell}_2$. In this paper Authors determine the spectrum of the Rhaly matrix $R_{a}$ as an operator on the space bvo with assumption $0\;<\;L\;=\;lim_n(n\;+\;1)a_n\;<\;\infty$.

      • KCI등재

        Amiable Composition in International Arbitration

        Yildirim,,Ahmet,Cemil 한국중재학회 2014 중재연구 Vol.24 No.3

        Amiable composition is a means of dispute resolution based on the arbitrator's authority to base his decision on equity. Although this method has been used frequently in the last decades of the 20th Century, the number of the published awards by amiable compositeur arbitrators is getting lower and lower. The reason(s) for unpopularity of amiable composition should be sought in its very nature, in its relationships with other institutions such as arbitration in law, equity, ex aequo et bono arbitration, other means of dispute resolution and in its role in the development of the rules specific to international commerce. A brief look at the history of law shows that the concept of equity comes to the scene every time that the rigidity of the rules of law challenges the justice. This has been the case in the 20th Century with respect to international commercial law which was deprived of specific rules. The role of amiable composition has been to contribute to the development of the rules specific to international commerce. The progressive codification of such rules in the last decades is also owed to amiable composition, which has accomplished its mission in the evolution of these rules.


        Directional Particle Filter Using Online Threshold Adaptation for Vehicle Tracking

        Yildirim,,Mustafa,Eren,Salman,,Yucel,Batu Korean Society for Internet Information 2018 KSII Transactions on Internet and Information Syst Vol.12 No.2

        This paper presents an extended particle filter to increase the accuracy and decrease the computation load of vehicle tracking. Particle filter has been the subject of extensive interest in video-based tracking which is capable of solving nonlinear and non-Gaussian problems. However, there still exist problems such as preventing unnecessary particle consumption, reducing the computational burden, and increasing the accuracy. We aim to increase the accuracy without an increase in computation load. In proposed method, we calculate the direction angle of the target vehicle. The angular difference between the direction of the target vehicle and each particle of the particle filter is observed. Particles are filtered and weighted, based on their angular difference. Particles with angular difference greater than a threshold is eliminated and the remaining are stored with greater weights in order to increase their probability for state estimation. Threshold value is very critical for performance. Thus, instead of having a constant threshold value, proposed algorithm updates it online. The first advantage of our algorithm is that it prevents the system from failures caused by insufficient amount of particles. Second advantage is to reduce the risk of using unnecessary number of particles in tracking which causes computation load. Proposed algorithm is compared against camshift, direction-based particle filter and condensation algorithms. Results show that the proposed algorithm outperforms the other methods in terms of accuracy, tracking duration and particle consumption.

      • Opinions on the Turks' Turkic Translation Activities in the Period of Taspar Qagan

        YILDIRIM,,KURSAT Academia Via Serica 2018 Acta Via Serica Vol.3 No.2

        There is a variety of opinions about the first translation activities within the Turkic Empire. It is widely believed that some Buddhist sutras were translated into the Turkic language in the period of Taspar Qagan (572-581). This theory is based on certain arguments: Some Turks practiced Buddhism, Buddhist monks translated sutras in the center of the Turkic Empire, Taspar brought sutras from China and had them translated, and the monarch of Northern Qi had a sutra translated and sent to Taspar. However, in my opinion, these arguments lack credibility. This article, which is based on primary Chinese sources, will question the likelihood of such translation activities having occurred. Some Chinese records for these claims exist: Da Tang Nei Dian Lu (大唐內典錄) and Xu Gao Seng Chuan (續高僧傳) by the Buddhist monk Jinagupta and the records of Hui Lin in Sui Shu (隋書) and Wen Xian Tong Kao (文獻通考). These are known as "primary sources." Secondary sources, namely contemporary history and language studies, such as those in books and articles, must be based on primary sources. It can be seen that claims relating to the first Turkic translation activities at the time of Taspar are mainly derived from secondary sources, and that the arguments in these secondary sources vary. Sometimes researchers make suppositions on the existence of information that is not referred to in primary sources. However, this is not normal practice. If a researcher relies on unknowns for the evidence of information existing, it can cause false information, ideas and anachronisms to be created. It is important that primary sources, such as the Chinese sources mentioned above, be translated correctly in language and history studies. If only a word is mistranslated, very different results may occur. Mistranslating or misinterpreting a primary source allows conclusions to be reached that are not supported by dissemination of information from primary sources. This can mislead experts and result in information that is not correct being considered as being true. As well as helping to prevent such misinterpretations occurring, another aim of this paper is to question the interpretations of the first Turkic translations in contemporary studies on history and language. The origin of such assessments will be explored and the validity of that information will be examined.

      • Comparison of Single Agent Gemcitabine and Docetaxel in Second-Line Therapy for Advanced Stage Non-Small Cell Lung Cancer in a University Hospital in Turkey

        Yildirim,,Fatma,Baha,,Ayse,Yurdakul,,Ahmet,Selim,Ozturk,,Can Asian Pacific Organization for Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.17

        Purpose: To compare the efficacy and toxicity of gemcitabine versus docetaxel in a second-line setting of nonsmall cell lung cancer (NSCLC) patients previously treated with platin-based combination chemotherapy. Materials and Methods: We retrospectively evaluated the medical records of 57 patients treated with single agent gemcitabine or docetaxel in second-line setting of advanced NSCLC who received one prior platinum-based therapy. Results: The mean age was $56.7{\pm}8.39$ years with 55 (96.5%) males and two (3.5%) females. Forty of them received docetaxel and 17 gemcitabine. The mean number of chemotherapy cycles was $6.8{\pm}4.0$ in the gemcitabine group, while it was $4.6{\pm}3.0$ in the docetaxel group. Overall response rates were 8% and 12% (P=0.02) for gemcitabine and docetaxel, respectively. The median survival time was 22 versus 21 months for gemcitabine and docetaxel, respectively. The median times to progression were 8 and 5 months. There was no difference between the two groups in terms of incidence of adverse affects (40% vs 47.1%). All of the hematological side effects were grade 1/2. No major toxicity was encountered necessitating stopping the drug for either group. Conclusions: Treatment with gemcitabine demonstrated clinically equivalent efficacy with a significantly improved safety profile compared with those receiving docetaxel in the second-line setting for advanced NSCLC in this study. Based on these results, treatment with gemcitabine should be considered a standard treatment option for second-line NSCLC.

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