17 research outputs found

    Impact of Postdilation on Intervention Success and Long-Term Major Adverse Cardiovascular Events (MACE) among Patients with Acute Coronary Syndromes

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    Postdilation is frequently used during coronary interventions to prevent stent malapposition. Currently there are contradictory findings regarding the benefits of postdilation for both intraprocedural and long-term outcomes. We evaluated the impact of postdilation among patients who presented with acute coronary syndromes (ACS) and underwent percutaneous coronary interventions (PCI). A total of 258 consecutive patients who presented with ACS and underwent PCI were included in the study. The patients were followed up for 25±1.7 months for the occurrence of major adverse cardiovascular events (MACE). During follow-up, 65 patients (25.2%) had MACE. Among patients without MACE, intracoronary nitrate infusion was less frequently used (P=0.005), myocardial blush grade was higher (P<0.001), and a drug-eluting stent was more frequently used (P=0.005). No significant differences were noted between groups regarding the predilation, recurrent dilation, postdilation, and other angiographic characteristics. In multivariate analysis, female sex (P=0.047), myocardial blush grade (P=0.038), previous coronary artery disease (P=0.030), and peak troponin level (P=0.002) were found to be predictors of MACE. In patients who were treated with PCI for ACS, performing postdilation did not predict final Thrombolysis in Myocardial Infarction (TIMI) flow grade, corrected TIMI frame count, myocardial blush grade, or MACE

    Türkiye'nin Iris l. (iridaceae) türlerinin fenetik metodlar ile sınıflaması

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    In this study the present taxonomy of Turkish Iris L. were revised by using phenetic clustering method based on external vegetative and floral morphological characters of herbarium and fresh specimens. For this, 79 morphological characters for each taxon within the genus Iris L. were extracted and the data were analyzed by the NTSYSpc 2. 1 computer package by UPGMA method. In addition to this, cytological and biogeographical data of the taxa were also integrated into the new classification. The results of this study showed that subgeneric divisions in all of the four subgenera are required. Within the subgenus Limniris a new section of Sphenostylis and within the subgenus Scorpiris a new section of Anatolica were established. Moreover, the serial status of taxa within the subgenus Limniris were rearranged by placing them under four subsections. The previous series Spuria were divided off and a new subseries was created. Within the section Iris a new subsection Pumilae to include dwarf irises and two new series were established. A new subsection and two new series were established within section Oncocyclus and taxa were placed within these ranks by employing new floral morphological criteria. The sectional status of the subgenus Hermodactyloides were modified by replacing the taxa into the previous ranks. As an another result of this study a new key for the Turkish irises together with a new description for each of the taxa were also presented. It was also found that the characteristics of structure and biology of the vegetative organs such as rhizome and bulbs, and stem structure and baranching pattern are as important as the floral characters in determining the limits of the taxa within the genus and the distribution of its species amongst subgenera, sections and other groups.Bu çalışmada Türkiye'nin irislerinin şu anki sınıflaması herbaryum ve saha örneklerinin dış vejetatif ve çiçek morfolojisi karakterlerine dayalı olarak fenetik kümeleme metodu ile sınıflandı. Cins içindeki her bir takson için 79 adet morfolojik karakterli bir veri kümesi oluşturularak NTSYSpc 2.1 adlı bilgisayar programında UPGMA metodu ile analiz edildi. Buna ek olarak, sitolojik ve biyocoğrafik veriler de yeni sınıflamanın içine dahil edildi. Bu çalışmanın sonuçlan herbir altcins içerisinde yeni taksonomik bölümlemelerin yapılması gereğini ortaya koydu. Limniris altcinsi içerisinde adı Sphenostylis olan yeni bir seksiyon ve Scorpiris altcinsi içerisinde ise adı Anatolica olan yeni bir seksiyon oluşturuldu. Bunun ötesinde, Limniris altcinsi içerisindeki seri dağılımı takson' ların dört altseksiyona dağıtılmaları ile tekrar düzenlendi, önceki Spuria serisi yeni bir seri oluşturularak ikiye bölündü, iris seksiyonu içerisinde adı Pumilae olan yeni bir altseksiyon oluşturularak bunun içerisine cüce irisler yerleştirildi ve seksiyona yeni iki seri de ilave edildi. Oncocyclus seksiyonu içerisinde yeni bir altseksiyon inşa edilerek yeni taksonomik düzeyler yeni çiçek morfolojisi kriterleri ile düzenlendi. Hermodactyloides altcinsinin seksiyonel durumu modifiye edilerek takson'lar yeniden dağıtıldı. Bu çalışmanın diğer bir sonucu olarak Türkiyenin irisleri için yeni bir anahtar oluşturularak her bir takson için yeni tanımlama yazıldı. Bu çalışmada aynı zamanda iris cinsinin şuurlarım belirlerken ve türleri onun altcinslerine, seksiyonlarına ve diğer gruplara dağıtırken, vejetatif karakterlerden rizom ve soğan yapılan, ve gövde yapısı ve dallanma biçiminin de çiçek morfolojisi karakterleri kadar önemli olduğu görüldü.Ph.D. - Doctoral Progra

    The use of glucose isomerase in sugar industry: properties and screening of the enzyme

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    A Comparative Investigation of Environmental Behaviors of Gifted Students and Their Peers

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    The main purpose of this study was to compare gifted and non-gifted students’ behaviors towards environment. The sample of the study consisted of 364 sixth, seventh and eighth graders attending six different middle schools in the city of Amasya and 34 gifted sixth, seventh and eighth graders attending the Amasya Science and Art Center in Turkey. Data was collected through a 12-item “Environmental Behavior Scale (EBS)” developed by the researchers. Independent samples t-test was used to compare scores. The findings showed that gifted students were superior to their peers in terms of showing positive environmental behaviors

    Mood disorder with mixed, psychotic features due to vitamin b12 deficiency in an adolescent: case report

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    Abstract Vitamin B12 is one of the essential vitamins affecting various systems of the body. Reports of psychiatric disorders due to its deficiency mostly focus on middle aged and elderly patients. Here we report a case of vitamin B 12 deficiency in a 16-year old, male adolescent who presented with mixed mood disorder symptoms with psychotic features. Chief complaints were “irritability, regressive behavior, apathy, crying and truancy” which lasted for a year. Premorbid personality was unremarkable with no substance use/exposure or infections. No stressors were present. The patient was not vegetarian. Past medical history and family history was normal. Neurological examination revealed glossitis, ataxia, rigidity in both shoulders, cog-wheel rigidity in the left elbow, bilateral problems of coordination in cerebellar examination, reduced swinging of the arms and masked face. Romberg’s sign was present. Laboratory evaluations were normal. Endoscopy and biopsy revealed atrophy of the gastric mucosa with Helicobacter Pylori colonization. Schilling test was suggestive of malabsorbtion. He was diagnosed with Mood disorder with Mixed, Psychotic Features due to Vitamin B12 Deficiency and risperidone 0.5 mg/day and intramuscular vitamin B12 500 mcg/day were started along with referral for treatment of Helicobacter pylori. A visit on the second week revealed no psychotic features. Romberg’s sign was negative and cerebellar tests were normal. Extrapyramidal symptoms were reduced while Vitamin B12 levels were elevated. Risperidone was stopped and parenteral Vitamin B12 treatment was continued with monthly injections for 3 months. Follow-up endoscopy and biopsy at the first month demonstrated eradication of H. pylori. He was followed monthly for another 6 months and psychiatric symptoms did not recur at the time of last evaluation. Despite limitations, this case may underline the observation that mood disorders with psychotic features especially with accompanying extrapyramidal symptoms lacking a clear etiology may be rare manifestation of vitamin B12 and/or folate deficiency in children and adolescents and be potentially amenable to treatment.</p

    Mood disorder with mixed, psychotic features due to vitamin b12 deficiency in an adolescent: case report

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    Vitamin B12 is one of the essential vitamins affecting various systems of the body. Reports of psychiatric disorders due to its deficiency mostly focus on middle aged and elderly patients. Here we report a case of vitamin B 12 deficiency in a 16-year old, male adolescent who presented with mixed mood disorder symptoms with psychotic features. Chief complaints were “irritability, regressive behavior, apathy, crying and truancy” which lasted for a year. Premorbid personality was unremarkable with no substance use/exposure or infections. No stressors were present. The patient was not vegetarian. Past medical history and family history was normal. Neurological examination revealed glossitis, ataxia, rigidity in both shoulders, cog-wheel rigidity in the left elbow, bilateral problems of coordination in cerebellar examination, reduced swinging of the arms and masked face. Romberg’s sign was present. Laboratory evaluations were normal. Endoscopy and biopsy revealed atrophy of the gastric mucosa with Helicobacter Pylori colonization. Schilling test was suggestive of malabsorbtion. He was diagnosed with Mood disorder with Mixed, Psychotic Features due to Vitamin B12 Deficiency and risperidone 0.5 mg/day and intramuscular vitamin B12 500 mcg/day were started along with referral for treatment of Helicobacter pylori. A visit on the second week revealed no psychotic features. Romberg’s sign was negative and cerebellar tests were normal. Extrapyramidal symptoms were reduced while Vitamin B12 levels were elevated. Risperidone was stopped and parenteral Vitamin B12 treatment was continued with monthly injections for 3 months. Follow-up endoscopy and biopsy at the first month demonstrated eradication of H. pylori. He was followed monthly for another 6 months and psychiatric symptoms did not recur at the time of last evaluation. Despite limitations, this case may underline the observation that mood disorders with psychotic features especially with accompanying extrapyramidal symptoms lacking a clear etiology may be rare manifestation of vitamin B12 and/or folate deficiency in children and adolescents and be potentially amenable to treatment
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