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Search Results: 1 - 10 of 263 matches for " Canan Ayabakan "
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Endocardial Pacemaker Implantation in Neonates and Infants
Canan Ayabakan,Eric Rosenthal
Indian Pacing and Electrophysiology Journal , 2006,
Abstract: Transvenous pacemaker lead implantation is the preferred method of pacing in adult patients. Lead performance and longevity are superior and the implantation approach can be performed under local anaesthetic with a very low morbidity. In children, and especially in neonates and infants, the epicardial route was traditionally chosen until the advent of smaller generators and lead implantation techniques that allowed growth of the child without lead displacement. Endocardial implantation is not universally accepted, however, as there is an incidence of venous occlusion of the smaller veins of neonates and infants with concerns for loss of venous access in the future. Growing experience with lower profile leads, however, reveals that endocardial pacing too can be performed with low morbidity and good long-term results in neonates and infants.
Surgical and postoperative follow-up results for day case patent ductus arteriosus ligation of 20 low weight premature patients
Can Vuran,Canan Ayabakan,Uygar Y?rüker,Emre ?zker
Turk Pediatri Ar?ivi , 2011,
Abstract: Aim: We aimed to evaluate premature babies who were sent to us for patent ductus arteriosus (PDA) closure and who were then transferred back following the surgical procedure.Material and Method: 20 preterm babies from six centers underwent PDA closure in the operating room. After obtaining local ethical committee consent, the cases were evaluated retrospectively. The mean weight was 650-1850 (1248.6±398.3) grams.The distances to these centers were 5-50 (23.4±20.29) kilometers and the travel time was 2.5-28 (12.57±11.44) minutes. In statistical analysis; correlation analysis, t and Mann-Whitney U tests were used.Results: There was no surgical or early mortality. All patients were transferred back within 24 hours. In the first two weeks, 13 (65%) babies were successfully weaned from mechanical ventilation support. Three (15%) babies were lost in the late term due to sepsis and intracranial bleeding. There was no morbidity and mortality except for the one patient who had pneumothorax. All other patients were sent back to their reference centers in the first 24 hours after surgery.Conclusions: As the technology of patient transport vehicles and instruments developed and the skills of the medical personnel improved, the cardiac centers have the opportunity to safely operate low birth weight babies followed in other centers. (Turk Arch Ped 2011; 46: 124-8)
Evolution of restricted bulboventricular foramen in double inlet left ventricle and ventriculoarterial discordance
?zlem Sar?soy,Canan Ayabakan,Kür?ad Tokel,Osman Akdeniz
Anadolu Kardiyoloji Dergisi , 2012,
Follow-up of our patients with transposition of the great arteries and arterial switch operation; comparison of simple and complex transposition cases
Osman Akdeniz,Canan Ayabakan,Uygar Y?rüker,Kür?ad Tokel
Anadolu Kardiyoloji Dergisi , 2011,
Abstract: Objective: 1. Follow-up data of patients with simple transposition of great arteries (TGA) and TGA with ventricular septal defect (VSD), who had arterial switch operation (ASO) are compared. 2. Factors affecting mortality and morbidity after ASO are described.Methods: Seventy-six patients, who had an ASO between April 2007 and August 2010 were studied retrospectively. The patients with intact ventricular septum (IVS) (n=36) were in Group1, and those with VSD (n=40) in Group 2. The pre and postoperative clinical and echocardiographic variables and intensive care unit (ICU) outcomes were compared among groups using Mann-Whitney U, Pearson correlation and logistic regression tests.Results: The mean age at operation was 44.1 days, weight was 3.6±0.98 kg. Patients were followed for 15.5±11.21 months. The aortic cross-clamp (AoCC) and cardiopulmonary bypass (CPB) times were higher in patients with VSD (p=0.001, p=0.004). Patients in Group 1 had longer inotropic agent infusion (p=0.001). Length of stay in ICU was similar in two groups (p>0.05). There was no correlation between the length of stay in ICU and age, weight, CPB time, AoCC time. Aortic regurgitation was more frequent in Group 2 (p=0.02). During follow-up, 12 patients died (15.7%), and 8 patients had a revision operation (10.5%) (diaphragmatic plication in 4, pulmonary artery reconstruction in 1, recoarctation operation in 3 patients). Mortality was similar in groups (p>0.05).Conclusion: Arterial switch operation provides anatomical correction in TGA. Appropriate timing and good perioperative planning facilitates low morbidity and mortality in patients with VSD as in patients with simple TGA.
Liquid Phase Catalytic Oxidation of Aqueous Solutions That Contain Organic Matter in a Trickle-Bed Reactor  [PDF]
Canan Uraz, Suheyda Atalay
Engineering (ENG) , 2013, DOI: 10.4236/eng.2013.51006

In this study, catalytic wet air oxidation of wastewater that contains organic matter (phenol) is investigated in a laboratory scale trickle-bed reactor. The aim of this project is to determine the optimum operating conditions for the reaction of phenol in the wastewater with oxygen using a catalyst. For this purpose, the effects of temperature, gas flow rate, liquid space velocity and initial concentration of phenol on the conversion of phenol at constant pressure and the effect of pressure on the conversion of phenol at constant temperature are investigated. An industrial copper chromite catalyst was used in the experimental studies. It is seen from the experimental results, conversion of phenol increases with increasing temperature, pressure, gas flow rate and liquid space velocity; and also, it is seen that conversion of phenol decreases with increasing initial concentration of phenol. The conversion of phenol reaches at 130?C and 4 bar to 40%. It was also found that, 3 ppm copper amount was determined from the exit stream of the reactor. This result shows that cupper placed in the structure of the catalyst, mixes with the liquid stream during the reaction.

Ahmet Midi,?zge Ayabakan,Ayd?n Sav
Marmara Medical Journal , 2007,
Abstract: Acquired lymphangiectasis is a superficial lymphatic dilatation caused by a wide range of scarring processes. Histologically indistinguishable from lymphangioma circumscriptum and commonly occurs in adults as a late sequel of surgery and radiation therapy. Patients usually present with numerous translucent vesicles in a chronic lymph edematous area several years after surgery with or without radiation therapy. We report a case of acquired lymphangiectasis, happened 17 years after the surgical intervention. Lesions were located the left subaxillary region. This is the first case that is reported so late in the literature after the surgery.
Stability Analysis of a Population Dynamics Model with Allee Effect
Canan Celik
Lecture Notes in Engineering and Computer Science , 2007,
Семантический И Фонетический Анализ Русизмов В Карском Регионе
Canan Pasalioglu
Idil Dergisi , 2012, DOI: 10.7816/idil-01-01-04
Abstract: Article is devoted for learning lodged on the Turkish grounds and having strong influence on a Turkish spoken language at Kars’s region. The basic part of work is devoted research of Russisms at Kars’s region. Thus having found out loan elements, Russian loan words in Turkish dialects which uses at Kars’s region, have been subjected the linguistic analysis with a support on authoritative dictionaries and scientific publications in Russian and Turkish science of languages.
Canan ?LER?
Turkish Studies , 2010,
Abstract: The studies on the Turkish Dialects were started by the European orientalists in 1867. After 1940, Turkish researchers also start to work in this area.In the “Türkiye Turkish Dialects Bibliography” published by Gülensoy and Alkaya’n n in 2003, 2203 studies are mentioned. This bibliography consists the studies which were conducted until the year 2000. It is also a fact that tens of studies have been carried out since 2000. However, another fact known by those who work in this area is that none of these researches use the same method with one another.The works on the Anatolian Turkish Dialects, which have been done until today, have been criticized from various angles. Yet, no method has been developed on the different phases of research, from its start till its end. What is aimed with “A Method Trial for The Researches of The Anatolian Turkish Dialects” is to fill in such a gap.A method, which shall be used in social sciences, has been tried to be adjusted to this specific research area. In the light of the valuable criticisms, this work will be improved further in the future Türkiye Türk esi a zlar al malar 1867 y l nda Avrupal do ubilimciler taraf ndan ba lat lm t r. 1940’tan sonra yerli ara t rmac lar da alana girer.Gülensoy ve Alkaya’n n 2003 y l nda kard klar “Türkiye Türk esi A zlar Bibliyografyas ”nda 2203 al ma ad ge mektedir. Bu bibliyografya 2000 y l na kadar yap lan al malar i ermektedir. 2000’den bu yana onlarca al man n yap ld da bir ger ektir. Ancak alanda al anlar n bildi i bir ba ka ger ek, bu al malar n hi birinde di eri ile ayn y ntemin kullan lmamas d r.Günümüze kadar yap lan Türkiye Türk esi A zlar al malar türlü y nlerden ele tirilmi ancak yap lacak a z al malar n n ba lang c ndan bitimine kadar al ma basamaklar üzerine bir y ntem geli tirilmemi tir. “Türkiye Türk esi A z Ara t rmalar i in Bir Y ntem Denemesi” ile b yle bir eksi in doldurmas ama lanmaktad r.Bu denemede sosyal bilimlerde kullan labilecek bir y ntemin alana uyarlanmas yap lmaya al lm t r. al ma de erli ele tirilerin nda ileride daha da olgunla acakt r.
Middle East Technical University Journal of the Faculty of Architecture , 2005,
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