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Joanna Przyklenk 한국슬라브어학회 2015 슬라브어연구 Vol.20 No.1
In the present study Joanna Przyklenk deals with the linguistic representation of bilingualism and multilingualism. The image of bi-/multilingual people expressed in Polish texts and lexis was also taken into consideration. Two periods were compared: lexical and textual data gathered from late 19th and early 20th centuries were juxtaposed with the information taken from the contemporary dictionaries of the Polish language and texts of various styles and genres. The description of multilingualism phenomenon was concentrated on those historical, economic, and social conditions that are most certainly linked to the quantity and quality of acquired languages during studied periods. The linguistic-oriented studies resulted in the conclusion that the lingual conceptualisation of multilingual person, rather invariant during compared time frames, is focused on her/his ability to master the art of using foreign languages to interact fluently without mistakes. The changes in the attitude of Poles towards foreign language acquisition were recognised and described as a transition from the exclusive sphere into the public space, a transition that is connected with failing to meet European standards on plurilingualism.
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Bone Health Status of Children with Spinal Muscular Atrophy
Joanna Yuet-ling Tung 대한골대사학회 2023 대한골대사학회지 Vol.30 No.4
Background: Spinal muscular atrophy (SMA) is a group of rare, inherited neuromuscular disorders. Bone health is often a neglected issue in children with SMA. This study aimed to evaluate the bone health status of children with SMA in Hong Kong. Methods: This retrospective study included children with SMA who were managed in the Neuromuscular Disorder Clinics of 2 quaternary centers in Hong Kong. Bone health status was assessed by fracture history, bone mineral density (BMD) measured by dual energy X-ray absorptiometry, and serum 25-hydroxy-vitamin D (25[OH]D) level. Results: Thirty-two children were included (males, 12). The median age was 10.8 years. BMD assessments were performed in 17 patients (SMA type 1=2, type 2=8, type 3=7). Low BMD was observed in 16 out of 17 patients. Four had a history of long bone fractures and were started on bisphosphonates. SMA types, age at last visit, sex, ambulation, and 25(OH)D level were not associated with fracture history or BMD Z-scores. Only one fulfilled the 2019 International Society for Clinical Densitometry (ISCD) pediatric definition of osteoporosis, with both low BMD and a history of clinically significant fracture. Conclusions: Children with SMA on disease-modifying treatments commonly had Low BMD and a history of fractures, but osteoporosis was uncommon according to the 2019 ISCD pediatric definition. A special definition of osteoporosis may be needed for this high-risk group.
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Joanna Feder-Kubis,Małgorzata Musiał,Marzena Dzida,Monika Geppert-Rybczyn´ ska 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.41 No.-
The primary aim of this study was to explain the antielectrostatic activity of a series of protic 3-(alkoxymethyl)-1H-imidazol-3-ium salicylate ionic liquids as a function of their surface properties. Thesurface tension and contact angle on chosen surfaces were measured and discussed. The results wereinvestigated as a function of the alkyl chain length of the alkoxymethyl substituent in the imidazoliumcation. Despite the complex structure of the ions, the estimated surface tension was correlated with thecorresponding experimental results. It was found that the alkyl chain length has a significant impact onthe surface properties and wetting abilities of salicylates.
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A Predictive Model of Failure to Rescue After Thoracolumbar Fusion
Joanna M. Roy,Aaron C. Segura,Kranti Rumalla,Georgios P. Skandalakis,Michael M. Covell,Christian A. Bowers 대한척추신경외과학회 2023 Neurospine Vol.20 No.4
Objective: Although failure to rescue (FTR) has been utilized as a quality-improvement metric in several surgical specialties, its current utilization in spine surgery is limited. Our study aims to identify the patient characteristics that are independent predictors of FTR among thoracolumbar fusion (TLF) patients. Methods: Patients who underwent TLF were identified using relevant diagnostic and procedural codes from the National Surgical Quality Improvement Program (NSQIP) database from 2011–2020. Frailty was assessed using the risk analysis index (RAI). FTR was defined as death, within 30 days, following a major complication. Univariate and multivariable analyses were used to compare baseline characteristics and early postoperative sequelae across FTR and non-FTR cohorts. Receiver operating characteristic (ROC) curve analysis was used to assess the discriminatory accuracy of the frailty-driven predictive model for FTR. Results: The study cohort (N = 15,749) had a median age of 66 years (interquartile range, 15 years). Increasing frailty, as measured by the RAI, was associated with an increased likelihood of FTR: odds ratio (95% confidence interval [CI]) is RAI 21–25, 1.3 [0.8–2.2]; RAI 26–30, 4.0 [2.4–6.6]; RAI 31–35, 7.0 [3.8–12.7]; RAI 36–40, 10.0 [4.9–20.2]; RAI 41– 45, 21.5 [9.1–50.6]; RAI ≥ 46, 45.8 [14.8–141.5]. The frailty-driven predictive model for FTR demonstrated outstanding discriminatory accuracy (C-statistic = 0.92; CI, 0.89–0.95). Conclusion: Baseline frailty, as stratified by type of postoperative complication, predicts FTR with outstanding discriminatory accuracy in TLF patients. This frailty-driven model may inform patients and clinicians of FTR risk following TLF and help guide postoperative care after a major complication.
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The Importance of Effective Registries in Pulmonary Diseases and How to Optimize Their Output
( Joanna Chorostowska-wynimko ) 대한결핵 및 호흡기학회 2021 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.129 No.0
The registries can provide an alternative and important source of clinical data, significantly contribute to better understanding of pulmonary diseases and outline requirements for their effective management. Moreover, the registries can support both regulatory and routine clinical decision-making. Randomized controlled trials (RCTs) are essential for the approval of new therapies; however, because of their design, they provide little insight concerning disease epidemiology/etiology and current clinical practice. Particularly, in lung disease, rigid inclusion/exclusion criteria can limit the generalizability of pivotal trial data. Noninterventional studies (NIS), conducted through the well-established mechanism of patient registries, are undervalued as a means to close data gaps left by RCTs by providing essential data that can guide patient care at different levels from clinical decision-making to health-care policy. In particular in rare diseases their importance cannot be underestimated. In respiratory disease, registries have been essential in understanding the natural history and different phenotypes of rare conditions, such as alpha 1 antitrypsin deficiency, cystic fibrosis, and idiopathic pulmonary fibrosis. Importantly, additional therapeutic outcome data were generated. While measures for enhancing data quality in RCTs have evolved significantly, the approach and effectiveness of registries is variable. Specific limitations of registry data should be recognized as well as challenges to registry operation, including the impact of the European Union General Data Protection Regulation. Therefore, RCTs and registry studies should be viewed in parallel, with both providing distinct but complementary data.
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KNN-Based Automatic Cropping for Improved Threat Object Recognition in X-Ray Security Images
Joanna Kazzandra Dumagpi,Woo-Young Jung,Yong-Jin Jeong 한국전기전자학회 2019 전기전자학회논문지 Vol.23 No.4
One of the most important applications of computer vision algorithms is the detection of threat objects in x-ray security images. However, in the practical setting, this task is complicated by two properties inherent to the dataset, namely, the problem of class imbalance and visual complexity. In our previous work, we resolved the class imbalance problem by using a GAN-based anomaly detection to balance out the bias induced by training a classification model on a non-practical dataset. In this paper, we propose a new method to alleviate the visual complexity problem by using a KNN-based automatic cropping algorithm to remove distracting and irrelevant information from the x-ray images. We use the cropped images as inputs to our current model. Empirical results show substantial improvement to our model, e.g. about 3% in the practical dataset, thus further outperforming previous approaches, which is very critical for security-based applications.
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Joanna Antoszewska,Paulina Trze?niewska,Beata Kawala,Bjorn Ludwig,Hyo-Sang Park 대한치과교정학회 2011 대한치과교정학회지 Vol.41 No.2
Objective: Microscrew implants (MSIs) offer many advantages, but some complications are known to occur during their insertion. One of the most commonly reported complications is root injury. Our aim was to identify factors associated with root injury and to evaluate their qualitative and quantitative values. Methods: Thirty-five orthodontists placed MSIs (AbsoAnchor<SUP>ⓡ</SUP>, Dentos Co. Ltd, Daegu, Korea) in the upper jaw of typodonts, labially between the second premolar and the first molar, in low and high vertical positions. Root contacts were counted, and distances between MSI apices and roots were measured. Fear level of the orthodontists was surveyed before and after the experiment. Wilcoxon’s test, chi-square test, and Mann-Whitney test were used for statistical analysis. Results: Overall root contact rate of MSI insertion was 23.57%. The root contact rate was significantly higher in MSIs inserted at 90° (45.71%) than at 30° (1.43%). The distance between the dental root and MSI also increased significantly in MSIs inserted at 30°. Mean fear level before MSI insertion (4.6) significantly decreased after insertion (3.2); the causative factors were risk of injury to dental root and maxillary sinus or mandibular canal. Conclusions: Root injury is relatively rare, and oblique angulation reduces the risk of root and MSI contact.
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