Benign paroxysmal positional vertigo after radiologic scanning: a case series

<p>Abstract</p> <p>Introduction</p> <p>Benign paroxysmal positional vertigo (BPPV) is the most common type of vertigo. It is frequently seen in elderly patients, and the course of the attack may easily mimic cerebrovascular disease. A BPPV attack after a radiologic examination has not been reported previously. We report the cases of two patients who had BPPV attacks after radiologic imaging.</p> <p>Case presentation</p> <p>The first patient with headache and tremor was admitted to the radiology department for cranial computed tomography (CT) imaging. During scanning, she was asked to lie in the supine position with no other head movements for approximately 10 minutes. After the cranial CT imaging, she stood up rapidly, and suddenly experienced a vertigo attack and nausea. The second patient was admitted to the radiology department for evaluation of his renal arteries. During the renal magnetic resonance angiography, he was in the supine position for 20 minutes and asked not to move. After the examination, he stood up rapidly with the help of the technician and suddenly experienced a vertigo attack with nausea and vomiting. The results of standard laboratory analyses and their neurologic examinations were within normal limits and Dix-Hallpike tests showed rotatory nystagmus in both cases. An Epley maneuver was performed to the patients. The results of a control Dix-Hallpike tests after 1 Epley maneuver were negative in both patients.</p> <p>Conclusion</p> <p>Radiologists and clinicians must keep in mind that after radiologic imaging in which the patient is still for some time in the supine position and then helped to stand up rapidly, a BPPV attack may occur.</p

Determination of Some Physiologic and Morphologic Changes of Young Olive (Cv Ayvalik) Trees under Different Water Stress in Coastal Part of Aegean Region

WOS: 000453167500010This research was carried out on two years old olive (cv Ayvalik) trees grown in pots at field condition in Bornova Olive Research Station, Ministry of Food Agriculture and Livestock in 2011. Some morphological and physiological response of young olive tree to drought stress under different irrigation levels were investigated. For this reason, the experiment consisted of 4 treatments: 1) Irrigated at the level of 100% of the ETa (I-100), 2) Irrigated at the level of 66% of the ETa (I-66), 3) Irrigated at the level of 33% of the ETa (I-33), 4) Non-irrigated (I-0). Some physiologic responses of plants such as chlorophyll content (SPAD), stomatal conductance (g(s)), leaf temperature and air temperature difference (T-y-T-a) and also morphologic responses of the plant the trunk diameter, plant height, shoot diameter, shoot length were investigated. Irrigation water requirement was ranged from 0 to 82.45 liters/plant and actual evapotranspiration was ranged from 10.78 to 86.11 liters/plant. There were not a statistically significant difference among the treatmentsts (except I-0) in terms of morphological parameters. In terms of chlorophyll content, statistically significant differences were not found among the treatmentsts (except I-0), however, the leaf-air temperature differences and stomatal conductance values statistically significant differences were found among the treatmentsts. Ayvalik olive, is a drought-tolerant cultivar, recommended for growing in arid or water shortage areas. However, as a proposal determining the level of water stress in olive stomatal conductance and leaf and air temperature difference measurements can be used

Determination of Some Physiologic and Morphologic Changes of Young Olive (Cv Ayvalık) Trees under Different Water Stress in Coastal Part of Aegean Region

Bu çalışma, 2011 yılında Gıda Tarım ve Hayvancılık Bakanlığı, Bornova Zeytincilik Araştırma istasyonunda, saksıda yetiştirilen iki yaşlı Ayvalık çeşidi zeytin fidanlarında yapılmıştır. Çalışmada; farklı sulama düzeylerinde fizyolojik ve morfolojik özellikler dikkate alınarak zeytin fidanlarının kuraklık stresine karşı tepkisi incelenmiştir. Bu amaçla; konular, bitki su tüketiminin %100 (I100), %66 (I66), %33 (I33)'ü kadar su uygulanması ve bir konuda hiç su verilmemesi(I0) şeklinde oluşturulmuştur. Bitkinin fizyolojik özelliklerinden klorofil miktarı (SPAD), stoma iletkenliği (gs), yaprak sıcaklığı ve hava sıcaklığı farkı (Ty-Ta) izlenmiş. Bitkinin morfolojik özelliklerinden gövde çapı, bitki boyu, sürgün çapı ve sürgün uzunluğunda meydana gelen değişimler değerlendirilmiştir. Uygulanan sulama suyu 0 ile 82.45 İt/bitki arasında, bitki su tüketimi ise 10.78 ile 86.11 İt/bitki arasında değişmiştir. Çalışmadan elde edilen bulgulara göre morfolojik parametreler açısından konular arasında (I0 hariç) istatistiksel olarak önemli fark bulunmamıştır. Fizyolojik parametrelerden klorofil içeriği açısından yine I0 konusu hariç konular arasında istatistiksel olarak önemli fark bulunmazken, yaprak ve hava sıcaklığı farkı, stoma iletkenliği değerlerinde konular arasındaki fark istatistiksel açıdan önemli bulunmuştur. Ayvalık zeytin çeşidi, kuraklığa toleranslı bir çeşit olup, kurak yada su kaynağının yetersiz olduğu alanlarda yetiştiriciliği önerilebilir. Ayrıca zeytinde bitki su stres düzeyinin belirlenmesinde, stoma iletkenliği ve yaprak ve hava sıcaklık farkı ölçümlerinden yararlanılabilir.This research was carried out on two years old olive (cv Ayvalık) trees grown in pots at field condition in Bornova Olive Research Station, Ministry of Food Agriculture and Livestock in 2011. Some morphological and physiological response of young olive tree to drought stress under different irrigation levels were investigated. For this reason, the experiment consisted of 4 treatments: 1) Irrigated at the level of 100% of the ETa (I100), 2) Irrigated at the level of 66% of the ETa (I66), 3) Irrigated at the level of 33% of the ETa (I33), 4) Non-irrigated (I0). Some physiologic responses of plants such as chlorophyll content (SPAD), stomatal conductance (gs), leaf temperature and air temperature difference (Ty-Ta) and also morphologic responses of the plant the trunk diameter, plant height, shoot diameter, shoot length were investigated. Irrigation water requirement was ranged from 0 to 82.45 liters/plant and actual evapotranspiration was ranged from 10.78 to 86.11 liters/plant. There were not a statistically significant difference among the treatmentsts (except I0) in terms of morphological parameters. In terms of chlorophyll content, statistically significant differences were not found among the treatmentsts (except I0), however, the leaf-air temperature differences and stomatal conductance values statistically significant differences were found among the treatmentsts. Ayvalik olive, is a drought-tolerant cultivar, recommended for growing in arid or water shortage areas. However, as a proposal determining the level of water stress in olive stomatal conductance and leaf and air temperature difference measurements can be used

Understanding ‘green chemistry’ and ‘sustainability’: an example of problem-based learning (PBL)*

Background: This study uses problem-based learning (PBL) to ensure that students comprehend the significance of green chemistry better by experiencing the stages of identifying the problem, developing hypotheses, and providing solutions within the problem-solving process. Purpose: The aim of this study is to research the effect of PBL implemented in cation analysis experiments in an analytical chemistry laboratory course on students’ level of understanding of the subject of ‘Green Chemistry and Sustainability’. The study group: The study group consists of second-grade students who participated in an Analytical Chemistry Laboratory within the General Chemistry III course in the Department of Science Education of the Faculty of Education of a state university in Turkey (N = 63). Design and methods: Quasi-experimental design was used in this research. Students were randomly divided into two groups, an experimental group (N = 31) and a control group (N = 32). Laboratory experiments in which qualitative and quantitative cation group analyses were conducted were carried out in the experimental group with PBL that involved five different scenarios inspired by daily life. In the control group, experiments were performed as closed-ended experiments. The ‘Green Chemistry and Sustainability Test’ (GCST) and semi-structured interviews were used as data collection tools. The independent sample t-test was used in determining whether there was a significant difference between groups by GCST, reviewing pre-test–post-test scores for the control and experimental groups, and semi-structured interviews were analyzed by content analysis. Results: The results showed that there was a significant difference in favor of the experimental group in GCST post-test scores (t = 10.554, p < 0.05). Considering students’ opinions, there were positive statements, such as that they had taken an active role and had their interest aroused interest since problems in the experiments were related to daily life. Conclusion: PBL enhanced students’ level of understanding of green chemistry and sustainability subjects and helped them obtain a different perspective in terms of environmental awareness. © 2017 Informa UK Limited, trading as Taylor & Francis Group

Determination of Some Physiologic and Morphologic Changes of Young Olive (Cv Ayvalık) Trees under Different Water Stress in Coastal Part of Aegean Region

Bu çalışma, 2011 yılında Gıda Tarım ve Hayvancılık Bakanlığı, Bornova Zeytincilik Araştırma İstasyonunda, saksıda yetiştirilen iki yaşlı Ayvalık çeşidi zeytin fidanlarında yapılmıştır. Çalışmada; farklı sulama düzeylerinde fizyolojik ve morfolojik özellikler dikkate alınarak zeytin fidanlarının kuraklık stresine karşı tepkisi incelenmiştir. Bu amaçla; konular, bitki su tüketiminin %100 (Ioluşturulmuştur. Bitkinin fizyolojik özelliklerinden klorofil miktarı (SPAD), stoma iletkenliği (gs), yaprak sıcaklığı ve hava sıcaklığı farkı (Ty-Ta) izlenmiş. Bitkinin morfolojik özelliklerinden gövde çapı, bitki boyu, sürgün çapı ve sürgün uzunluğunda meydana gelen değişimler değerlendirilmiştir. Uygulanan sulama suyu 0 ile 82.45 lt/bitki arasında, bitki su tüketimi ise 10.78 ile 86.11 lt/bitki arasında değişmiştir. Çalışmadan elde edilen bulgulara göre morfolojik parametreler açısından konular arasında (I0 hariç) istatistiksel olarak önemli fark bulunmamıştır. Fizyolojik parametrelerden klorofil içeriği açısından yine I0 konusu hariç konular arasında istatistiksel olarak önemli fark bulunmazken, yaprak ve hava sıcaklığı farkı, stoma iletkenliği değerlerinde konular arasındaki fark istatistiksel açıdan önemli bulunmuştur. Ayvalık zeytin çeşidi, kuraklığa toleranslı bir çeşit olup, kurak yada su kaynağının yetersiz olduğu alanlarda yetiştiriciliği önerilebilir. Ayrıca zeytinde bitki su stres düzeyinin belirlenmesinde , stoma iletkenliği ve yaprak ve hava sıcaklık farkı ölçümlerinden yararlanılabilirDetermination of Some Physiologic and Morphologic Changes of Young Olive (Cv Ayvalık) Trees under Different Water Stress in Coastal Part of Aegean Region* This research was carried out on two years old olive (cv Ayvalık) trees grown in pots at field condition in Bornova Olive Research Station, Ministry of Food Agriculture and Livestock in 2011. Some morphological and physiological response of young olive tree to drought stress under different irrigation levels were investigated. For this reason, the experiment consisted of 4 treatments: 1) Irrigated at the level of 100% of the ETa (I (I), 3) Irrigated at the level of 33% of the ETa (I), 4) Non-irrigated (I). Some physiologic responses of plants such as 66 chlorophyll content (SPAD), stomatal conductance (gs), leaf temperature and air temperature difference (Ty-Ta) and also morphologic responses of the plant the trunk diameter, plant height, shoot diameter, shoot length were investigated. Irrigation water requirement was ranged from 0 to 82.45 liters/plant and actual evapotranspiration was ranged from 10.78 to 86.11 liters/ plant. There were not a statistically significant difference among the treatmentsts (except I0) in terms of morphological parameters. In terms of chlorophyll content, statistically significant differences were not found among the treatmentsts (except I0), however, the leaf-air temperature differences and stomatal conductance values statistically significant differences were found among the treatmentsts. Ayvalik olive, is a drought-tolerant cultivar, recommended for growing in arid or water shortage areas. However, as a proposal determining the level of water stress in olive stomatal conductance and leaf and air temperature difference measurements can be use

Successful treatment of renal infiltration complicated by atypical hemolytic uremic syndrome in a leukemic child

Renal infiltration in children with acute leukemia has been reported previously; however, it has rarely been described in association with atypical hemolytic uremic syndrome (aHUS). We present a case of 9-year-old boy who developed life-threatening aHUS in the 1st week of Burkitt leukemia/lymphoma diagnosis with renal infiltration. Complete resolution of aHUS was achieved after therapeutic plasma exchange. This is an uncommon complication of Burkitt leukemia/lymphoma in a pediatric case

Discrepancies between clinical and pathological findings seen at renal biopsy in rheumatological diseases

Objective. Renal biopsy contributes to the diagnosis, follow-up, and treatment of many rheumatic conditions. This study assessed the diagnostic role and safety of renal biopsies in a tertiary rheumatology clinic. Methods. Renal biopsies performed between June 2020 and December 2022 were screened, and demographic, clinical, histopathological, and safety data were collected from patient records. Results. In this study, 33 males and 38 females were included. Except for 1 patient who received acetylsalicylic acid, antiaggregant, and/or anticoagulant drugs were stopped before the biopsy. Complications included a decrease of hemoglobin in 8 patients (11.3%) and microscopic hematuria in 40 patients (56.3%). Control ultra-sonography was performed in 16 patients (22.5%), and a self-limiting hematoma was found in 4 of them (5.6%) without additional complications. While less than 10 glomeruli were obtained in 9 patients (9.9%), diagnosis success was 94.4%. Histopathological data were consistent with one of the pre-biopsy diagnoses in 54 of 67 cases (80.6%) but showed discrepancies in 19.4% (n=13) of patients. A repeat biopsy was performed in 7 patients for re-staging or insufficient biopsy. Conclusions. Renal biopsy significantly contributes to rheumatology practice, especially in patients with complex clinical and laboratory findings or in whom different treatments can be given according to the presence, severity, and type of renal involvement. Although the possibility of obtaining insufficient tissue and the need for re-staging and repeat biopsy in the follow-up might be expected, complication risk does not seem to be a big concern. Renal biopsy often evidenced discrepancies between pre-biopsy diagnosis and histopathological findings