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Search Results: 1 - 10 of 214259 matches for " Gülseren Akyüz "
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From the Chairman of the Association
Gülseren Akyüz
Türkiye Fiziksel Tip ve Rehabilitasyon Dergisi , 2010,
Abstract: ...
Complex Regional Pain Syndrome Type 1: General Clinical Approach
Demet OFLUO?LU,Gülseren AKYüZ
Türkiye Fiziksel Tip ve Rehabilitasyon Dergisi , 2008,
Abstract: “Complex regional pain syndrome type I” is now considered preferable to term “reflex sympathetic dystrophy syndrome”. It is a complex chronic pain disorder. There is usually a preceding noxious event. The most characteristic clinical feature is spontaneous pain with allodinia or hyperalgesia. Other symptoms include edema, vasomotor and sudomotor abnormalities and trophic changes. The diagnosis is based on the clinical symptoms and sings. The main treatment concept is pharmacotherapy coupled with functional restoration, and interdisciplinary approaches to treatment are essential to a successful outcome. Turk J Phys Med Rehab 2008;54:111-5.
Congenital Muscular Torticollis: Diagnosis and Treatment Options
Gülseren Akyüz,Beyhan Eren
Türkiye Fiziksel Tip ve Rehabilitasyon Dergisi , 2012,
Abstract: Congenital muscular torticollis (CMT) is the most frequent reason of torticollis in children. Children with CMT should be examined for revealing concomitant deformities. Preferred use of one upper extremity, delayed acquisition of gross motor skills, decreased cognitive function below normal levels, abnormal postural patterns and balance control may also be seen in these children. Therefore, an early rehabilitation program should be initiated. Full recovery may be expected to be more than 98%, if treatment begins within the first month of life. Surgery should be considered for children, who do not benefit from conservative therapy within six months and who have craniofacial deformity. Turk J Phys Med Re-hab 2012;58:52-7.
Anatomy and Assessment of the Autonomic Nervous System
Gülseren Akyüz,Merve AKDEN?Z LEBLEB?C?ER
Türkiye Fiziksel Tip ve Rehabilitasyon Dergisi , 2012,
Abstract: Autonomic Nervous System (ANS) is responsible for the vegetative functions of the body. It is composed of many ganglions, plexi, cerebrospinal nuclei and nerves. ANS, which is also known as visceral or vegetative nervous system, helps to control many functions, such as blood pressure, gastrointestinal motility, glands, bladder functions, sweating and body temperature. ANS innervates all the smooth muscles and the heart, and keeps to stabilize body functions within certain limits. ANS is composed of 3 components: sympathetic system (thoracolomber-adrenergic), parasympathetic system (craniosacral- cholinergic) and enteric system (nonadrenergic- noncholinergic). Autonomic nerves are classified with regard to their origin from central nervous system, the distribution of peripheral ganglions, their various physiological effects on visceral organs, and response to pharmacological agents. It is essential to know the anatomy and the physiology of the ANS, in order to evaluate disorders, achieve the correct diagnosis and to plan accurate treatment. Turk J Phys Med Re-hab 2012;58 Suppl 1: 1-5.
Effects of Alphacalcidol on Fall and Balance in Elderly People with Vitamin D Deficiency Original Article
ümran Kaya,Evrim Karada? Sayg?,Gülseren Akyüz
Türkiye Fiziksel Tip ve Rehabilitasyon Dergisi , 2011,
Abstract: Objective: The aim of the present study was to investigate the impact of vitamin D treatment on balance and falls in elderly patients with vitamin D deficiency. Materials and Methods: This study was carried out in 63 women older than 65 years of age with determined vitamin D deficiency (<50 nmol/L) who can be mobilized independently. 33 patients were given a daily dose of 1 mcg alphacalcidol and 500 mg of ionized calcium, while 30 patients were given 500 mg of ionized calcium. The patients were evaluated with the Timed Up and Go (TUG) test, Romberg test (RT), Berg balance scale (BBS), and 10-meter walk time at baseline and at the 3rd and 6th months of treatment. Furthermore, the number of falls within the last year and during treatment was recorded. Results: In the alphacalcidol+calcium group, significant improvements were found in TUG and BBS at the 3rd month; in TUG, RT and BBS at the 6th month. In the control group, there was no statistically significant difference in all balance tests at the 3rd and 6th months. Also, no statistically significant difference was determined between the groups at follow-up. There was no significant difference in or between the groups regarding 10-meter walk time test. Considering the number of falls, no significant difference was found between the groups at the 3rd and 6th months. Conclusion: It is thought that active vitamin D treatment has positive effects on balance in elderly women with vitamin D deficiency, however, its effect on number of falls is inadequate. Turk J Phys Med Rehab 2011;57:89-93.
Isolated Knee Osteonecrosis Secondary to Corticosteroid Use in Two Patients with Idiopathic Thrombocytopenic Purpura
?lker Ya?c?,Mehmet A??rman,Gülseren Akyüz
Türkiye Fiziksel Tip ve Rehabilitasyon Dergisi , 2010,
Abstract: Idiopathic thrombocytopenic purpura (ITP) is characterized by low platelet count and mucocutaneous bleeding and steroids are commonly used for the treatment of this disorder. Osteonecrosis is one of the well-known side effects of steroids. However, no case of isolated knee osteonecrosis after steroid use has been reported in the literature to date. In this paper, we presented two cases of knee osteonecrosis who had received steroids for the treatment of ITP. Turk J Phys Med Rehab 2010;56:94-6.
Monomelic Amyotrophy: Case Report
?lknur AKTA?,Tomris ALBAY,Hakan GüNDüZ,Gülseren AKYüZ
Türkiye Fiziksel Tip ve Rehabilitasyon Dergisi , 2008,
Abstract: Monomelic amyotrophy (MMA) is a benign motor neuron disorder. MMA is usually restricted to the upper limb, lower limb involvement is rare. MMA should be considered in differential diagnosis in patients presenting with amyotrophy involving lower and upper extremity behind other diagnosis. A rehabilitative approach can be useful for these patients to compensate for the atrophy and decreased muscle strength. In this report, we discussed the clinical and electrophysiological features of two cases with MMA and the literature is reviewed. Turk J Phys Med Rehab 2008;54:115-7.
ümran Kaya,Evrim Karada? Sayg?,I??l üstün,Gülseren Akyüz
Marmara Medical Journal , 2009,
Abstract: Aim: Radiographic absorptiometry (RA) is a cheap and easily applicable technique for measuring bone mineral density (BMD) of the medium phalanges of fingers 2, 3 and 4. In this trial with elderly patients suffering from vitamin D deficiency, the aim is to investigate whether it is possible to follow short-term vitamin D treatment with phalangeal RA or not and to compare the consistency of measurement results with dual energy x-ray absorptiometry (DXA).Materials and Methods: Fifty-seven patients over 65 years old who had been determined as vitamin D deficiency (<50nmol/l) were included in this trial. Thirty patients received 1 μg of alphacalcidol and 500 mg elemenatry calcium once a day and the control group received 500 mg elementary calcium. Hand phalangeal, lumbar spinal and hip BMD measurements of all patients were performed at the beginning and the 6th month of the treatment. The consistency of percentage change of serum levels of vitamin D with RA and DXA results were statistically compared.Results: Baseline DXA BMD measurements of all of the patients were consistent with the RA measurement values. After 6 months of alphacalcidol and elementary calcium treatment, the difference in the levels of vitamin D was not statistically relevant, neither with DXA nor with RA.Conclusion: Although phalangeal radiographic absorptiometry is a reliable and practical method, its use in the short term follow-up of vitamin D treatment is thought to be limited.
World Report on Disability: A Call to Action
Aydan Oral,Gülseren Akyüz,Dil?ad Sindel,Resa Ayd?n
Türkiye Fiziksel Tip ve Rehabilitasyon Dergisi , 2012,
Abstract: The World Report on Disability (WRD), a joint effort of the World Health Organization and the World Bank, is a document that presents a global picture of disability based on a best evidence synthesis available worldwide. Additionally, the WRD provides a number of recommendations, particularly for the facilitation of the implementation of the United Nations ‘Convention on the Rights of Persons with Disabilities’ and calls to action at national and international levels. The call to action in the WRD imposes a responsibility and obligation on the medical specialty of physical medicine and rehabilitation (PMR) with its unique approach to a health condition not only with a medical treatment perspective, but also with the perspectives of functioning and disability with the aim of improving functioning to the best possible level. The medical specialty of PMR can make substantial contributions to the implementation of the WRD, especially in the areas of specific programs and services for persons with disabilities as defined particularly in the activities and participation as well as environmental factors components of the International Classification of Functioning, Disability and Health (ICF) along with good quality scientific research. The WRD poses a challenge to promote and emphasise the value and the importance of the medical specialty of PMR. Turk J Phys Med Re-hab 2012;58:255-8.
Single-electron Transport Through Quantum Point Contact
G. Bilgec Akyüz,A. Siddiki
Physics , 2015,
Abstract: Here, we employ a numerical approach to investigate the transport and conductance characteristics of a quantum point contact. A quantum point contact is a narrow constriction of a width comparable to the electron wavelength defined in a two-dimensional electron gas (2DEG) by means of split-gate or etching technique. Their properties have been widely investigated in the experiments. We define a quantum Hall based split-gate quantum point contact with standard gate geometry. Firstly, we obtain the spatial distribution of incompressible strips (current channels) by applying a self consistent Thomas-Fermi method to a realistic heterostructure under quantized Hall conditions. Later, time-dependent Schrodinger equation is solved for electrons injected in the current channels. The transport characteristics and time-evolutions are analyzed in the integer filling factor regime ({\nu} = 1) with the single electron density. The results confirm that the current direction in a realistic quantum point contact can be controllable with the external interventions.
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