10 research outputs found

    Inextensible flows of curves in the equiform geometry of the pseudo-Galilean space G13

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    In this paper, we study inextensible flows of curves in 3-dimensional pseudoGalilean space. We give necessary and sufficient conditions for inextensible flows of curves according to equiform geometry in pseudo-Galilean space.Publisher's Versio

    Special Bertrand Curves in 4D Galilean Space

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    The generalization of Bertrand curves in Galilean 4-space is introduced and the characterization of the generalized Bertrand curves is obtained. Furthermore, it is proved that no special curve is a classical Bertrand curve in Galilean 4-space such that the notion of classical Bertrand curve is definite only in three-dimensional spaces

    Inextensible Flows of Curves in the Equiform Geometry of 4-Dimensional Galilean space

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    In this paper, inextensible flows of curves in the equiform geometry of Galilean space are investigated. Necessary and sufficient conditions for inextensible flows of curves are expressed as a partial differential equation involving the equiform curvature in 4-dimensional Galilean space

    Intrapericardial teratoma in a newborn: a case report

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    Oto O, Guzeloglu M, Kir M, Metin K, Cakmakci H, Albayrak G, Koc A. Intrapericardial teratoma in a newborn: a case report. Mirk J Pediatr 2012; 54: 71-73

    After Arterial Switch Surgery Myocardial Performance Index Left Ventricular Function does it Provide as much Information as a Cardiac MRI?

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    Objectives: In this study, a comparison of cardiac magnetic resonance imaging (MRI) and simultaneous transthoracic echocardiography data were obtained from patients with great artery transposition (TGA), who underwent arterial switch operation (ASO) surgery. In to discover the most effective and optimal viewing method during long-term follow-ups. Materials and Methods: This retrospective cohort included 20 TGA patients (16 male, 4 female), which had ASO surgery. Along with cardiac MRI and transthoracic echocardiography data were obtained from the images. The mean age was 93.00±29.82 months (60-144). Seventeen patients had TGA only. However, 3 patients with TGA included an existing ventricular septal defect. Results: We showed a meaningful correlation between echocardiographic variables (left ventricle dilatation of the left ventricle function of the aorta failure, myocardial performance index) and MRI parameters (ejection fraction of left ventricle dilatation of the left ventricle function of the aorta insufficiency). Conclusion: TGA patients require careful pre and post operative evaluation, anatomical and a functional use of cardiac indicators. For this purpose, both echocardiography and MRI are useful, safe, and trustworthy methods of diagnosis. Choosing the optimal imaging technique and lifetime reoccurring assessments of the left ventricle function is of vital importance in foreseeing complications, preventing morbidities, and creating a protocol. In clinical practice, the myocardium performance index provides values similar to that of the MRI about the left ventricle dilatation and left ventricle dysfunction. These results provide awareness about the use of specific parameters and the use of information based on quantitative data

    Vascular rings: presentation, imaging strategies, treatment, and outcome.

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    This study aimed to evaluate the presenting symptoms, the effectiveness of imaging methods, and the surgical treatment of vascular rings. Data for 44 patients (32 enrolled prospectively, 12 reviewed retrospectively) over a 10-year period in a tertiary referral center were analyzed. These patients comprised 25 patients with a left aortic arch and an aberrant right subclavian artery, 13 patients with a right aortic arch and a left subclavian artery originating from Kommerell's diverticulum, 1 patient with a right aortic arch and an aberrant left subclavian artery, 3 patients with a double aortic arch, and 2 patients with a pulmonary sling. Respiratory symptoms were found in 25 patients and dysphagia in 6 patients. Atypical symptoms such as reflex apnea, cyanosis, syncope episodes, and exercise-induced wheezing were noted in five patients. Associated congenital heart defects were detected in 41% of the patients. The diagnostic yield was 95.23% for barium esophagography, 54.54% for echocardiography, and 66.66% for computed tomography. The anatomy could be correctly identified by magnetic resonance imaging (MRI) in 97.43% and by angiography in 90.5% of the patients. Of the 30 patients who underwent surgery, 80% were completely relieved of symptoms during a mean follow-up period of 25 +/- A 33.5 months. Vascular rings should not be overlooked in infants with atypical symptoms. The authors' diagnostic procedure of choice is MRI because it is superior to angiography for delineating the relationship between abnormal vascular structures, trachea, and esophagus
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