• Journal of Korean Critical Care Nursing
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• v.9 no.2
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• pp.13-25
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• 2016

Purpose: This study was conducted to identify changes in limb circumferences among patients admitted to the intensive care unit (ICU) and related factors. Methods: We conducted a prospective observational study with 27 patients from 3 ICUs at a university hospital located in B city of Korea, from September 1 to October 30, 2015. The circumferences of the left and right upper arms, thighs, and lower legs were measured on the first, third, fifth, and seventh days of ICU admission. Information on the related factors was collected from the medical records. The data were analyzed using a linear mixed model method. Results: The limbs circumferences significantly reduced from day 3, and the changes continued till day 7. These changes were related to the gender of the subjects, restraints application, use of steroids, and continuous renal replacement therapy. Conclusions: Based on the above results, it can be concluded that ICU-acquired weakness begins before the third day of admission. Thus, early mobilization protocols for ICU patients need to be developed and implemented in order to improve long-term outcomes.

• Journal of Korean Critical Care Nursing
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• v.11 no.2
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• pp.11-20
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• 2018

Purpose : This study aimed to investigate the incidence of intravenous extravasation and the risk factors associated with the use of peripheral intravenous catheters in adults. Method : This prospective observational study included 203 adult patients admitted to the general ward who received non-chemotherapy vesicant drug infusion treatments. Data were analyzed using frequencies, percentage, means, standard deviations, and odds ratios (ORs) from multiple logistic regressions. Results : The incidence of extravasation was 43.3%. Risk factors for intravenous extravasation included continuous injections (OR=5.35, 95% CI [1.38, 20.83]), and parenteral nutrition (OR=3.53, 95% CI [1.43, 8.73]). Conclusion : The present findings revealed that gastrointernal medicine problems, continuous injection, and parenteral nutrition were related to intravenous extravasation. Further research is necessary to reduce the incidence of extravasation related to peripheral intravenous catheterization in adults, and to prevent secondary complications. Finally, patients should be provided appropriate and continuous care based on the type of intravenous infusion.

• Structural Engineering and Mechanics
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• v.67 no.1
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• pp.53-67
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• 2018

The changes of parameters of pressure and velocity of propagation of elastic pressure and shear waves in uniformly deformed solid compressible media are studied within the nonclassically linearized approach (NLA) of nonlinear elastodynamics to create a new theoretical basis of the geomechanical interpretation of various groups of geophysical observational and experimental data. The cases of small and large deformations are considered while their describing by various elastic potentials, i.e., problems considering the physical and geometric nonlinearity. Convenient analytical formulae are obtained to calculate the indicated parameters in the deformed isotropic media within the nonclassical linear and nonlinear solution in the NLA. Specific numerical experiments are conducted in case of overall compression of various materials. It is shown that the method (generally accepted in the studies of mechanics of standard constructional materials) of additional linearization (relative to the pressure parameter) in the basic correlations of the NLA introduces substantial quantitative and qualitative errors into the results at significant preliminary deformations. The influences of the physical and geometric nonlinearity on the studied characteristics of the medium are large in various materials and differ qualitatively. The contribution of nonlinear components to the values of the considered parameters prevails over linear components at large deformations. When certain critical values of compression deformations in the medium are achieved, elastic waves with actual velocity cannot propagate in it. The values of the critical deformations for pressure and shear waves differ within different elastic potentials and variants of the theory of initial deformations.

• Journal of the Korean School Mathematics Society
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• v.19 no.2
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• pp.123-151
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• 2016

The purpose of this study is to analyze the existing studies about the effect on private tutoring and EBS broadcasting which is considered as the alternative which was presented by education authorities. And this study attempts to measure the degree of the effects of private tutoring and EBS engagement on mathematics achievement using various quantitative methodologies. T-test and OLS multiple regression indicates some selection-bias which has positive direction compared to the PSM method closed to experimental design. So, it will be required to consider the methodology which measures the exact effect of institution or participation when we conduct the observational studies.

• Atmosphere
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• v.28 no.3
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• pp.317-324
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• 2018

In this study, we review the ground-based whole-sky camera (WSC), which is developed to continuously capture day and night cloud images using the illumination data from a precision Lightmeter with a high temporal resolution. The WSC is combined with a precision Lightmeter developed in IYA (International Year of Astronomy) for analysis of an artificial light pollution at night and a DSLR camera equipped with a fish-eye lens widely applied in observational astronomy. The WSC is designed to adjust the shutter speed and ISO of the equipped camera according to illumination data in order to stably capture cloud images. And Raspberry Pi is applied to control automatically the related process of taking cloud and sky images every minute under various conditions depending on illumination data from Lightmeter for 24 hours. In addition, it is utilized to post-process and store the cloud images and to upload the data to web page in real time. Finally, we check the technical possibility of the method to observe the cloud distribution (cover, type, height) quantitatively and objectively by the optical system, through analysis of the captured cloud images from the developed device.

• The Bulletin of The Korean Astronomical Society
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• v.36 no.2
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• pp.88.1-88.1
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• 2011

Shocks are thought to be important in the dynamics and heating of the solar chromosphere. The observational determination of shock parameters, however, has been hardly done because of the difficulty of observation at a high spatial, temporal and spectral resolution, and the lack of an effective method of inferring physical parameters from spectral data. Our inversion of the spectral data of the $H{\alpha}$ and Ca II 854.2 nm lines simultaneously taken from an intranetwork area, produced temporal profiles of temperature as well as line-of-sight velocities, from which we infer that three-minute chromospheric oscillations prevailing in the upper chromosphere are in fact trains of strong shocks with a strength of about two and a propagation speed of 20 km s-1 that carry a mechanical energy flux of 500 W m-2 upward. Our result supports the notion that shocks dominate the heating of the upper chromosphere, and probably the corona as well, at least in intranetwork regions of the quiet sun.

• Child Health Nursing Research
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• v.8 no.4
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• pp.458-468
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• 2002

The purpose of this study was to identify metacommunicative behaviors between nurses and patients in a pediatric unit. The research method included observation using videotaping. Data were collected from December, 2001 to February, 2002. Total six nurses, and eight patients and their mothers in a pediatric unit participated in this study. The interactions were videotaped under the participants' consent. The participants were observed for total 8 hours over 2-day period. Special episodes which were identified as metacommunicative behaviors in the taped interactions were transcribed. Transcription included verbal and nonverbal interactions. Selected episodes were classified using Mitchell's definition. Each classified definitions were named, and categorized by its purpose. The results were as follows: Nineteen metacommunicative behaviors which used frequently by nurses-approaching, mediating eye level, eye contact, touching, encouraging, turnabout, mimic voice, giving choices, friendly demand, expansion, tagging, repeating and confirming, identification, reflection, baby talk, symbolization, description of acts, relaxed posture, turning away- were identified and organized into four categories. They were call for attention, facilitating response, empathy, and tension release. In conclusion, nurses in this study used metacommunicative behaviors frequently and these behaviors were effective in interacting with children. It is suggested that any educational programs to teach communication skills to nurses need to include techniques on metacommunicative behaviors. This will help nurses to be more sensitive to different characteristics of their patients.

• The Journal of Korean Academic Society of Nursing Education
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• v.13 no.1
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• pp.114-122
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• 2007

Purpose: This study was aimed at evaluating the effects of Music Therapy for the autistic children. Method: The subjects of this study consisted of 3 autistic children who were trained in an Attachment Promotion Therapy Program for 6 months. The Children were all males and 4years 9months, 3years 1 month, and 3years 8month each, and diagnosed with Autism by Child and Adolescent Psychiatrists. Data was collected by using video-taping methods(ADOS, Fagot's Interactive Behavior Code), an interview and observational methods(SMS). Music Therapy intervention was done once a week for 6 months. Data was gathered by quantitative and qualitative analysis. Result: This study showed that the Autism Diagnostic Observation Scale and Social Maturity Quotient(SQ) much improved after the Music Therapy After the Music Therapy, the Interactive Behavior Code : Gaze, Gesture for the communication, Verbal language, Laughing/Smile, and Normal play behaviors increased more than before the intervention. As the results show, the child's behavior became more positively responsive, playful, and attentive to others. Conclusion: This study suggests that Music Therapy might be an effective intervention for autistic disorder children in order to decrease autistic symptoms and increase joint attention behavior.

• The Journal of the Korean dental association
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• v.55 no.9
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• pp.640-656
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• 2017

Xerostomia is usually caused by a reduced salivary flow or by changes in the biochemical composition of saliva. Halitosis or oral malodor is an offensive odor usually originating from the oral cavity. Halitosis can lead to anxiety and psychosocial embarrassment. The occurrence of halitosis closely related with intraoral conditions including the presence of xerostomia. Especially, the relationship between xerostomia and halitosis is prominent in elderly patients receiving polypharmacy with at least two systemic diseases. This study is a review of the update literature of xerostomia and halitosis. A large number of papers have been searched and identified using the words , , , , , , and . Papers not relevant to the issue were removed reducing the entries to 79 only. Most of identified papers were systematic reviews, non-systematic reviews, and observational studies. With a proper diagnosis, identification of the etiology and timely referrals certain steps are taken to create a successful individualized therapeutic approach. It is significant to highlight the necessity of an interdisciplinary method for the treatment of xerostomia and halitosis to prevent misdiagnosis or unnecessary treatment. This article concisely focuses on the development of a systemic flow of events to come to the proper treatment of the xerostomia and halitosis.

• Korean Journal of Oriental Medicine
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• v.17 no.2
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• pp.39-46
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• 2011

Objectives : This study was aimed to review the trend of dementia clinical studies in Korean Oriental Medicine and to suggest better clinical studies. Method : We collected 26 papers on dementia clinical studies in the internet site OASIS using the keyword 'Dementia'. Then we analyzed them. Results : There were 26 clinical study papers that were published between 1996 and 2010. Observational studies account for 61% of total clinical studies, whereas experimental studies account for only 31%. Effects of treatment in experimental studies was evaluated mainly by MMSE-K and K-DRS. Treatment period of experimental studies was longer than 100days. Conclusions : High quality experimental studies like randomized clinical trial(RCT) and intervention studies which use syndrome differentiation(辨證) have not yet been published. It is necessary to research and develop duration of treatment effect and tools for evaluating treatment effects.