605 research outputs found

    FAHREDDiN RAzi'NiN VARLIK ANLAYlŞI

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    In this study, eminent muslim philosopher Fakhr al-Din al-Razi' s opinions with regard to existence is considered after making some general assessments on the concept of "existence" .. It is well known that Razi created his own way of understanding the things and put forth his unique opinions in various topics despite being affected by the ideas of the is!amic philosophers such as Avicenna andAl-Farabi at same points. Razi had an authentic standing in his opinions with regard to the defınition, scdpe and the types of existence. The main features of Razi's ideas upon existence are evaluated in order to make sound assessments about the ontological aspect of his thinking syst~_m_ .

    Lens partition function, pentagon identity and star-triangle relation

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    We study the three-dimensional lens partition function for N=2\mathcal N=2 supersymmetric gauge dual theories on S3/ZrS^3/\mathbb{Z}_r by using the gauge/YBE correspondence. This correspondence relates supersymmetric gauge theories to exactly solvable models of statistical mechanics. The equality of partition functions for the three-dimensional supersymmetric dual theories can be written as an integral identity for hyperbolic hypergeometric functions. We obtain such an integral identity which can be written as the star-triangle relation for Ising type integrable models and as the integral pentagon identity. The latter represents the basic 2-3 Pachner move for triangulated 3-manifolds. A special case of our integral identity can be used for proving orthogonality and completeness relation of the Clebsch-Gordan coefficients for the self-dual continuous series of Uq(osp(12))U_q(osp(1|2)).Comment: 22 pages, v2: minor corrections and comments, v3: minor correction

    Prenatal radiation exposure

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    Pregnant women may be exposed to nonionizing, ionizing radiation and contrast media via diagnostic or therapeutic procedures and workplace exposure. When computed tomography or magnetic resonance imaging is performed on a pregnant woman, the effects of exposure to radiation, high magnetic fields and contrast media, which can be risky for a fetus, should be considered. Nonionizing radiation that is not significantly risky for a fetus includes microwave, ultrasound, radio frequency and electromagnetic waves, while ionizing radiation that can be teratogenic, carcinogenic or mutagenic includes particles and electromagnetic radiation. The effects of radiation are associated with the level of exposure and stage of fetal development. Organogenesis (two to seven weeks after conception) and the early fetal period (eight to fifteen weeks after conception) are the most sensitive stages for a fetus. Noncancerous health effects have not been determined at any stage of gestation with less than 50 mGy (5 rad) exposure dose of ionizing radiation. Higher exposure levels may lead to spontaneous abortion, growth restriction, and mental retardation. The risk of cancer is increased regardless of the dose. Although the use of iodinated contrast media is generally thought to be safe during pregnancy, the risk of fetal hypothyroidism should be considered and it should be used only when necessary. The use of gadolinium-based contrast media during pregnancy is controversial because of the lack of clinical data. The purpose of this article is to review the existing literature regarding the prenatal radiation exposure and to discuss fetal risk of radiation

    Functional outcomes of bone marrow aspirate concentrate application in osteoarthritis of the knee

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    Background: Osteoarthritis (OA) of the knee is a very common musculoskeletal disorder. Although total knee replacement is a suitable option in the treatment of severe OA, it has some limitations when performed in the early stage and early age. Bone marrow aspirate concentrate (BMAC), which is rich in mesenchymal stem cells, is promising due to its potentially regenerative and symptomatic effects in many disorders of the musculoskeletal system. This study aims to investigate the efficacy of BMAC in terms of functional recovery in OA of the knee joint.Methods: Total of 52 patients with unilateral symptomatic knee OA but no inflammatory disease, advanced malalignment or instability were enrolled in this study. Bone marrow aspirate was collected from the iliac crest in one session, prepared using a manufactured kit and the patients received intra-articular injections of this BMAC. The mean age of the patients was 59.2±7.4 and the mean follow-up period was 22.1±3.6 months. Functional outcomes of the patients were evaluated using Modified Cincinnati and Tegner Lysholm scoring systems.Results: It was observed that both Lysholm and Cincinnati scores of the patients were statistically significantly higher throughout the follow-up period as compared to the period before the procedure (p=0.0001). There was no statistically significant difference in Lysholm and Cincinnati ratings between gender, side and body mass index groups throughout the follow-up period (p >0.05). It was found that the results of the patients with Kellgren-Lawrence Grade 4 severe joint arthrosis were statistically significantly lower (p <0.05).Conclusions: Considering the functional outcomes of the patients up to two years, it was observed that the application of concentrated bone marrow aspirate provided functional recovery in arthrosis of the knee joint

    BEDEN EĞİTİMİVE SPOR YÜKSEKOKULLARINDA OKUYAN AKTİF SPOR YAPAN ÖĞRENCİLERİN BESLENME ALIŞKANLIKLARININ BELİRLENMESİ VE DEĞERLENDİRİLMESİ

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    Aktif spor yapan öğrencilerin beslenme alışkanlıklarının belirlenmesi amacıyla yapılan bu araştırma; Selçuk, Karadeniz Teknik ve Gazi Üniversitelerinin Beden Eğitimi ve Spor Yüksek Okulları’nda okuyan ve farklıbranşlarda aktif spor yapan toplam 309 öğrencinin 77 bayan, 232 erkek katılımıile yürütülmüştür. Öğrencilere III bölümden oluşan bir anket uygulanmıştır. Anketin I. bölümü kişisel bilgi sorularınıII. bölümü beslenme bilgisi sorularını, III. bölümü ise alışkanlıklara ilişkin sorularıiçermektedir. Araştırma sonuçlarıdeğerlendirildiğinde sporcuların gıdalarıve bu gıdaların içerdikleri besin maddelerini tanıma konusunda orta derecede bir bilgiye sahip oldukları, müsabaka öncesi yemek ve müsabaka arasında tercih edilen içecekler yönünden takım sporcularının, gıdaların içerdikleri besinleri tanıma ve müsabaka öncesi su içme konusunda ise bireysel sporcuların, daha bilgili olduğu saptanmıştır. Ülkemizde sporcu eğitiminde besinler ve sporcu performansındaki önemleri üzerinde daha detaylıbir şekilde durulmasıgerektiği sonucuna varılmıştır

    Co-existence of cecal volvulus with situs inversus totalis: A case report

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    AbstractDetorsion, cecopexy, cecostomy and tube cecostomy are the treatment options for acute cecal volvulus if there is no intestinal ischemia. Resection required if intestinal viability, necrosis, gangrene or perforation exists. After resection, primary anastomosis or ileostomy can be performed. First colonoscopic decompression testing may be appropriate in terms of saving time for elective surgery. The co-existance of situs inversus totalis with cecal volvulus may cause uncertainty of the definite diagnosis and delay of surgical procedure. This is a case report about cecal volvulus together with situs inversus totalis

    True knot of the umbilical cord in advanced weeks of pregnancy: a case report

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    True knot of the umbilical cord is a very rare condition. Usually a true knot is noticed after delivery and does not lead to problems. It is relatively less common than the other umbilical cord anomalies. Most authors agree that there is little that can be done to prevent fetal death in undiagnosed true knot. In our case, the patient gave birth to a healthy male baby weighing 2700 grams by normal vaginal delivery after an ultrasound was suggestive of intrauterine growth restriction (IUGR). The baby’s Apgar scores were 8 at one minute and 9 at five minutes. The umbilical cord measured 125 cm and contained two loose true knots. It was surprising that the baby could survive until term with these two knots and we hypothesize that this was the cause of the IUGR. Our case was interesting as neither neurologic sequela nor intrauterine death developed, despite two true umbilical cord knots

    True knot of the umbilical cord in advanced weeks of pregnancy: a case report

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    True knot of the umbilical cord is a very rare condition. Usually a true knot is noticed after delivery and does not lead to problems. It is relatively less common than the other umbilical cord anomalies. Most authors agree that there is little that can be done to prevent fetal death in undiagnosed true knot. In our case, the patient gave birth to a healthy male baby weighing 2700 grams by normal vaginal delivery after an ultrasound was suggestive of intrauterine growth restriction (IUGR). The baby’s Apgar scores were 8 at one minute and 9 at five minutes. The umbilical cord measured 125 cm and contained two loose true knots. It was surprising that the baby could survive until term with these two knots and we hypothesize that this was the cause of the IUGR. Our case was interesting as neither neurologic sequela nor intrauterine death developed, despite two true umbilical cord knots

    Bir köpekte kistik müsinöz safra kesesinin klinik, ultrasonografik ve patolojik değerlendirilmesi

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    An 11 years old male Spaniel Cocker was handled to Animal Hospital with lethargy, polypnea and abdominal distension. At physical examination; abdominal sensitivity was detected. The body temperature and heart rate were measured in physiological levels. On ultrasonographic examination; hepatomegaly, thickened and enlarged gallbladder were detected. Hyperechoic content in the lumen was observed also mild free liquid was seen in the abdomen. Gall bladder wall thickness was measured as 3,5 mm. At biochemical examination; AST, ALP, GGT and total cholesterol levels were significantly increased and AST, glucose and phosphorus levels were slightly increased when compared with the reference values. Due to treatment, the patient died after a week and necropsy was performed. At the pathologic examination; cystic mucinous gallbladder was detected. In this case presentation, clinical, ultrasonographic and pathologic evaluation of cystic mucinous gallbladder in a dog was described.Bu olgunun materyalini, uyuşukluk, polipne ve abdominal distensiyon şikayetiyle hayvan hastanesine getirilen 11 yaşlı erkek bir Spaniel Cocker oluşturdu. Fiziksel muayenede; karında hassasiyet tespit edildi. Vücut ısısı ve nabız sayısı fizyolojik seviyelerde ölçüldü. Ultrasonografik muayenede; hepatomegali, kalınlaşmış ve genişlemiş safra kesesi tespit edildi. Safra kesesi lümeninde hiperekoik içerik, ayrıca batında az miktarda serbest sıvı görüldü. Safra kesesi duvar kalınlığı 3,5 mm olarak ölçüldü. Biyokimyasal incelemede; AST, ALP, GGT ve toplam kolesterol seviyeleri önemli ölçüde artmış olarak tespit edildi. AST, glikoz ve fosfor seviyeleri referans değerlerin biraz üzerindeydi. Yapılan sağaltıma karşın hasta bir hafta sonra öldü ve nekropsi uygulandı. Bu olgu sunumunda bir köpekte rastlanılan kistik müsinöz safra kesesinin klinik, ultrasonografik ve patolojik değerlendirilmesi amaçlanmıştır
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