• 제어로봇시스템학회논문지
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• 제9권1호
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• pp.57-62
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• 2003

It is difficult to determine the feeding rate of coagulant in the water treatment plant, due to nonlinearity, multivariables and slow response characteristics etc. To deal with this difficulty, the genetic-fuzzy system genetic-equation system and the neural network system were used in determining the feeding rate of the coagulant. Fuzzy system and neural network system are excellently robust in multivariables and nonlinear problems. but fuzzy system is difficult to construct the fuzzy parameter such as the rule table and the membership function. Therefore we made the genetic-fuzzy system by the fusion of genetic algorithms and fuzzy system, and also made the feeding rate equation by genetic algorithms. To train fuzzy system, equation parameter and neural network system, the actual operation data of the water treatment plant was used. We determined optimized feeding rates of coagulant by the fuzzy system, the equation and the neural network and also compared them with the feeding rates of the actual operation data.

• 상하수도학회지
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• 제20권2호
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• pp.281-287
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• 2006

Maintaining adequate chlorine residual is crucial in water treatment facilities, Treatment technique, newly promulgated regulation, requires sufficient disinfection in order to control more resistant microorganisms such as Viruses and Giardia lamblia. Each water treatment plant should report various water qualities including chlorine residual and disinfection by-products, thus plenty of data has been generated. Even though statistical analysis using these data are forced to investigate the status and effect of water qualities in water facilities very few researches have been performed in korea. This study performed statistical analysis of chlorine residual during three years in Korean drinking water. The average chlorine residual concentrations were 0.701mg/L, 0.738mg/L, 0.763mg/L in 2002, 2003, 2004, respectively. Monthly variations of chlorine residual was not significant. ANOVA result showed that yearly variance of chlorine residual is different in only less than $5000m^3/day$ of water treatment capacity. The statistical analysis can help government to establish new regulation with scientific basis.

• 성인간호학회지
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• 제28권3호
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• pp.334-342
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• 2016

Purpose: This study was conducted to identify factors that influence on self-determination for withdrawal of life-sustaining treatment in the community dwelling elderly. Methods: This study used a descriptive correlational design. A convenience sample of 201 elderly were recruited from a welfare center located in Seoul, Korea. Data collection was done from September 1 to September 18, 2015. Four survey questionnaires were used: Multidimensional Scale of Perceived Social Support (MSPSS), Life Satisfaction Index-Z (LSI-Z), Attitude on Do Not Resuscitate (DNR), and Self-determination for Withdrawing Life-sustaining Treatment. Data analysis was done by t-test, ANOVA, Pearson's correlation, and hierrarchical multiple regression. Results: Hierarchial multiple regression showed that the factors predicting the level of self-determination for withdrawing life-sustaining treatment were educational level, DNR experience in family, life satisfaction, and DNR attitude. These factors explained 44% of the self-determination for withdrawing life-sustaining treatment in community dwelling elderly. Conclusion: The results of this study suggest developing educational programs aiming at changing elderly's DNR attitude positive ways so that they can enhance self-determination for withdrawing life-sustaining treatment. Further study is needed with more elderly population in extended areas.

• 대한간호학회지
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• 제36권6호
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• pp.942-949
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• 2006

Purpose: This study was to investigate the knowledge and learning needs of chemotherapy in gynecological cancer patients. Method: The subjects consisted of 103 gynecological cancer patients receiving chemotherapy from April 2005 to August 2005. Data was collected using a questionnaire about knowledge and learning needs of chemotherapy. The data was analyzed by t-test, ANOVA, Scheffe test, and Pearson's correlation coefficient using SAS. Result: Average scores of knowledge and learning needs of general treatment and care were 2.74, and 3.30 respectively. Average score of knowledge and learning needs of chemotherapy were 2.54 and 3.23 respectively. Learning needs of general treatment and care and of chemotherapy were significantly different in relation to marital status, educational level, family support, the operation, and the amount of chemotherapy received. Items with the highest level of learning needs were the symptoms of recurring illness of general treatment, and minimizing side effects of chemotherapy. There were a negative correlation between knowledge and learning needs on general treatment and a positive correlation between knowledge and learning needs on chemothearpy but there were not significant statistically. Conclusion: The level of learning needs related to cancer treatment was high, whereas, that of knowledge was low. Therefore, when designing an educational program for gynecological cancer patients, understanding of learning needs is necessary. Also, consideration of a patient's characteristics, and a systematic and detailed educational program should be provided.

• 대한한의학회지
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• 제32권4호
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• pp.75-82
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• 2011

Objectives: This case report aimed to evaluate whether oriental medical treatment was effective on ADHD through a records review of a local oriental medical clinic. Methods: We reviewed clinical charts of a local oriental medical clinic between December 2007 and September 2010 to select ADHD patients. Among those patients, for comparison before and after treatment, we selected cases which had at least twice Stroop test results and 2 months of treatment. Baseline, 3-month and 6-month Stroop test results were compared. Oriental medical treatment consisted of 2 months' herbal medicine, periodic acupuncture and exercise. Results: 1. 3-month data showed that subjects were 12 and improved word score and word-color score of Stroop test. 2. 6-month data showed that subjects were 20 and improved word score, color score, and word-color score of Stroop test. Conclusions: 1. Relatively short term herbal medication and exercise are effective on the word score and word-color score of the Stroop test. 2. After short term herbal medication, continuous exercise maintained the effects of short term oriental medical treatment. 3. We need to consider the balance of left and right as an important point of exercise, but further study is needed.

• 한국전문물리치료학회지
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• 제9권2호
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• pp.97-105
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• 2002

The purpose of this study was to investigate the effectiveness of the low-intensity ultrasound (noblelife) treatment on the pain points of upper trapezius muscle. The study recruited 20 patients who had trigger points in one side of the upper trapezius. The effectiveness of the low-intensity ultrasound treatment was assessed with subjective pain intensity using visual analog scale (VAS) and pressure pain threshold (PPT). The PPT was measured by pressure threshold algometer. Before and after the treatment, changes of pain were evaluated. Wilcoxon test for VAS data and paired t-test for PPT data were used for statistical significance. Compared to the pain intensity before the treatment, the pain intensity after treatment was significantly decreased (p<.05). Low-intensity ultrasound could be safely used in clinical application and at home for the treatment of patients with pain in upper trapezius muscle.

• Korean Journal of Acupuncture
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• 제31권4호
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• pp.147-157
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• 2014

Objectives : The purpose of this study is to explore the current research trend on acupuncture treatment for nerve regeneration and recovery effect. Methods : We investigated the researches so far, on acupuncture treatment for the nerve regeneration and recovery via searching Pubmed from 2005 up to October 2014. Data were extracted from the included studies regarding the authors, countries, type of nerve injury, type of acupuncture, treatment period, acupuncture points, assessment tool and results. Results and Conclusions : Twenty-four research papers were included in the review. Outcomes were measured by immunohistochemical results, motor behavior scores, and electrocphysiological results. All but one study favored acupuncture and electroacupuncture treatment for nerve regeneration and recovery regardless of type of nerve injury and acupuncture modality. Acupuncture treatment may have a potential for nerve regeneration and recovery and further research is required.

• Journal of Acupuncture Research
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• 제36권3호
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• pp.154-160
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• 2019

Background: The purpose of this study was to analyze the medical dispute cases in Acupuncture and Moxibustion treatment, and present the guidelines of treatment to prevent medical disputes. Methods: Korean Acupuncture and Moxibustion Medicine Society medical dispute cases from January 2013 to September 2018 were collected and analyzed. Results: There were 80 cases, which included acupuncture treatment (54 cases), cupping treatment (7 cases), local infection / inflammation (17 cases), and neurological symptoms (13 cases). Analysis of the correlation between types of medical accidents and the treatment methods, showed that local infection and inflammation (12 cases) were the most reported in acupuncture treatment. Conclusion: This study was performed to analyze the current status of medical disputes in the field of acupuncture and moxibustion, and provide basic data for guidelines to prevent them. Further study preparing for clinical guidelines to prevent medical disputes in specific departments are warranted in the future.

• Journal of Hospice and Palliative Care
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• 제24권2호
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• pp.97-108
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• 2021

Purpose: The purpose of this study was to examine the life-sustaining treatment decisions of terminal cancer patients. Methods: Data on 10 terminal cancer patients who decided to withhold or withdraw from treatment were collected using in-depth interviews conducted from February 8 to October 30, 2019. Data were collected until saturation was reached and then analyzed using Colaizzi's phenomenological method. Results: In this study, six thematic clusters were identified: "having complicated feelings", "making choices to protect everyone", "accepting and preparing for death", "feeling distress", "pursuing spiritual wellbeing", and "evaluating the new system". Conclusion: When facing death, terminal cancer patients often made choices to protect their family and their dignity with uneasiness of mind when deciding to withdraw from life-sustaining treatments. Though many patients had accepted and prepared for death, they experienced distress about leaving children behind after death. They also pursued spiritual well-being to find peace after deciding to withdraw from life-sustaining treatment. In addition, participants evaluated the new system of policies pertaining to decisions on life-sustaining treatment. Thus, various approaches regarding acceptance and preparation for death, communication with family, hope, and spiritual comfort should be taken in educational interventions to assist terminal cancer patients as they decide whether to withdraw from life-sustaining treatment.

• Nutrition Research and Practice
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• 제15권4호
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• pp.456-467
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• 2021

BACKGROUND/OBJECTIVES: The prevalence of morbid obesity in Korean women has consistently been increasing, while the overall prevalence rate of obesity in Korean women seems to be stable. In addition to bariatric surgery, intragastric balloons (IGBs), as a nonsurgical therapy, have been reported to be effective in weight loss. However, the beneficial effects of IGB in Korean women with obesity have not been fully investigated. The aim of this study was to evaluate the changes in fat mass in Korean women with obesity who had undergone IGB treatment for 6 mon. SUBJECTS/METHODS: Seventy-four women with obesity (body mass index [BMI] ≥ 25.0 kg/m²) were recruited. Clinical data, including general information, comorbidities with obesity, anthropometric data, and changes in the body fat composition before and after IGB treatment, were obtained from the subjects. RESULTS: Most subjects had one or more comorbidities, such as osteoarthropathy and woman's disease, and had poor eating behaviors, including irregular mealtimes, eating quickly, and frequent overeating. Body composition measurements showed that weight, fat mass, and waist-hip circumference ratio decreased significantly at 6 mon after IGB treatment. In particular, women with morbid obesity (BMI ≥ 30 kg/m²) showed 33% excess weight loss. There was no significant difference in skeletal muscle mass and mineral contents after IGB treatment. CONCLUSIONS: This study suggested that 6 mon of IGB treatment can be a beneficial treatment for obesity without muscle mass and bone mineral loss.