8 research outputs found
Imaging of subsurface lineaments in the southwestern part of the Thrace Basin from gravity data
Linear anomalies, as an indicator of the structural features of some geological bodies, are very important for the interpretation of gravity and magnetic data. In this study, an image processing technique known as the Hough transform (HT) algorithm is described for determining invisible boundaries and extensions in gravity anomaly maps. The Hough function implements the Hough transform used to extract straight lines or circles within two-dimensional potential field images. It is defined as image and Hough space. In the Hough domain, this function transforms each nonzero point in the parameter domain to a sinusoid. In the image space, each point in the Hough space is transformed to a straight line or circle. Lineaments are depicted from these straight lines which are transformed in the image domain. An application of the Hough transform to the Bouguer anomaly map of the southwestern part of the Thrace Basin, NW Turkey, shows the effectiveness of the proposed approach. Based on geological data and gravity data, the structural features in the southwestern part of the Thrace Basin are investigated by applying the proposed approach and the Blakely and Simpson method. Lineaments identified by these approaches are generally in good accordance with previously-mapped surface faults
Surgical patient education: Turkish nursing students experiences
PubMed ID: 16631282Patient education has been widely used by medical schools and schools of nursing as a method for evaluating clinical performance. Training of patients provides a viable method for teaching and evaluating nurse practitioner students as they progress through their educational programs toward clinical competency. Evaluation of patient education experience provided objective and valid information regarding the students' delivery of didactic information and ability to apply knowledge in the clinical setting. The purpose of this article is to describe the preparation of materials for preoperative patient education and to evaluate patient education carried out by second-year students of the University Of Ege School Of Nursing. In this study, students, patients and lecturers evaluated patient education carried out by the nursing students. Criteria including relationships between people (listening, talking and communication ability), and behavior before education (prepare topic content, develop appropriate material for the topic, communicate which topic will be explained, etc.) and during education (attract listeners' attention to the topic, give information about the target, present the content and material of the subject well, etc.) were appraised. According to the results of evaluation, the education carried out by the students achieved the highest score from patients; the students gave the second-highest score. The lecturers gave scores that were lower than those of students and patients. At the end of this study, it has been found that patients were pleased with the education prepared according to their individual requirements and the students were pleased with giving education with the material they have prepared employing their own creativity. © 2006 Elsevier Ltd. All rights reserved
Estimation of femoral head bone mineral density in hip fractures of the elderly
Objective: It is usually challenging to decide which hip fractures should be fixed and which should be replaced to avoid fixation failure and revision. Therefore, it may be of benefit to evaluate the bone mineral density of the fixation point of the femoral head preoperatively. In this study we tried to investigate the relationship between the bone mineral density (BMD) of the fixation point of femoral head, which is the primary compressive trabeculation area, and other parts of the proximal femur evaluated routinely during Dual-Energy X-ray absorptiometry (DXA) measurements. Methods: Retrieved femoral heads of 29 patients during hemiarthroplasty for hip fracture were evaluated using DXA. These results were correlated with the DXA measurements of proximal femora of uninvolved hips of patients. Results: Mean BMD values of retrieved femoral head primary compressive trabecular region (PC-BMD) values were 0.610 ± 11 (g/cm2). Although there were significant positive correlation of PC-BMD with neck, Ward's and total proximal femoral region as expected, highest correlation coefficient was calculated at femoral neck region. These results did not differ when patients were regrouped according to uninvolved side BMD values as osteoporotic and osteopenic. There were no difference in both sexes in this relationship between values of PC-BMD, neck BMD, Ward's BMD and total BMD. Conclusion: As expected, a positive relationship was found between PC-BMD values and neck BMD, ward's BMD and total BMD values with neck BMD revealing the highest correlation. Preoperative bone mineral densitometric evaluation of the uninvolved hip, especially the neck region seems to be helpful to evaluate the densitometric status of femoral head to predict early failure when fixation was attempted. © Copyright 2016 by Gazi University Medical Faculty
A comparative ID migraine™ screener study in ophthalmology, ENT and neurology out-patient clinics
Migraine is more likely to be misdiagnosed in patients with comorbid diseases. Not only primary care physicians, but also specialists might misdiagnose it due to the lack of diagnostic criteria awareness. The ID migraine test is a reliable screening instrument that may facilitate and accelerate migraine recognition. This study aimed to compare the prevalence and characteristics of migraine in a large sample of patients admitted to clinics of ophthalmology (OC), ear, nose and throat diseases (ENTC) and neurology (NC), as well as to validate the use of the ID migraine test in OC and ENTC settings. This was a multicentre (11 cites) study of out-patients admitting either to NC, ENTC or OC of the study sites during five consecutive working days within 1 week. From each of the clinics, 100 patients were planned to be recruited. All recruited patients were interviewed and those having a headache complaint received an ID migraine test and were examined for headache diagnosis by a neurologist, blinded to the ID migraine test result. A total of 2625 subjects were recruited. Only 1.3% of OC patients and 5.4% of ENTC patients have been admitted with a primary complaint of headache, whereas the percentage of NC patients suffering from headache was 37.6%. Whereas 138 patients (19.3%) in OC, 154 (17.3%) in ENTC and 347 (34%) in NC were found to be ID migraine test positive, 149 patients (20.8%) in OC, 142 (16%) in ENTC and 338 (33.1%) in NC were diagnosed with migraine. The sensitivity, specificity, and positive and negative predictive ratios of the ID migraine test were found to be similar in all clinics. An important fraction of the patients admitted to NC, as well as to OC and ENTC, for headache and/or other complaints were found out to have migraine by means of a simple screening test. This study validated the ID migraine test as a sensitive and specific tool in OC and ENTC, encouraging its use as a screening instrument. © Blackwell Publishing Ltd.This study was supported by an unrestricted research grant made by Pfizer-Turkey. The authors wish to thank the researchers the names of whom are listed below: MIRA-3 study group Name of the study centre Investigators 1. Sutcu Imam University Medical Faculty, Department of Neurology 1 , Department of Eye Diseases 2 , Department of ENT Diseases 3 Deniz Tuncel 1 , Mustafa Gokce 1 Gokhan Ozdemir 2 , Mehmet Akif Kilic 3 2. Ege University Medical Faculty, Department of Neurology 1 Department of Eye Diseases 2 , Department of ENT Diseases 3 Bilge Cetin 1 , Figen Gokcay 1 , Hadiye Sirin 1 3. Ataturk University Medical Faculty, Department of Neurology 1 , Department of Eye Diseases 2 , Department of ENT Diseases 3 Orhan Deniz 1 , Recep Demir 1 , Ibrahim Kocer 2 , Bulent Aktan 3 4. Dokuz Eylül University Medical Faculty, Department of Neurology 1 , Department of Eye Diseases 2 , Department of ENT Diseases 3 Vesile Ozturk 1 , Fethi Idiman 1 , Gokhan Gurel 1 , Fusun Boyacioglu 1 5. Uludag University Medical Faculty, Department of Neurology 1 , Department of Eye Diseases 2 , Department of ENT Diseases 3 Necdet Karli 1 , Cigdem Cavdar 1 , Mehmet Zarifoglu 1 6. Abant Izzet Baysal University Medical Faculty, Department of Neurology 1 , Department of Eye Diseases 2 , Department of ENT Diseases 3 Nebil Yildiz 1 , Sule Aydin 1 , Nazire Dogan 1 , Tolga Beyazit 1 7. Istanbul University Cerrahpasa Medical Faculty, Department of Neurology 1 , Department of Eye Diseases 2 , Department of ENT Diseases 3 Aksel Siva 1 , Sabahattin Saip 1 , Baki Göksan 1 , Selim Gokdemir 1 , Idris Sayilir 1 8. Ankara Numune Education and Research Hospital, Department of Neurology 1 , Department of ENT Diseases 3 Fikri Ak 1 , Gurdal Orhan 1 , Aysegul Akagunduz 1 , Mustafa Kaymakçi 3 9. Dicle University Medical Faculty, Department of Neurology 1 , Department of ENT Diseases 3 Mediha Yalman 1 , Ufuk Aluçlu 1 10. Mustafa Kemal University Medical Faculty Department of Neurology 1 , Department of Eye Diseases 2 , Department of ENT Diseases 3 Taskin Duman 1 , Ismet Murat Melek 1 , Cengaver Tamer 2 , Huseyin Oksuz 2 , Ali Safak Dagli 3 , Ertap Akoglu 3 11. Firat University Medical Faculty, Department of Neurology 1 , Department of Eye Diseases 2 , Department of ENT Diseases 3 Serpil Bulut 1 , Sait Berilgen 1 , Caner Demir 1 , Meliha Aydin Ulger 1 -