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한국 학생들의 영어 어두자음 발화학습에 관한 실험 연구
강석근,이희천 서울대학교 어학연구소 2002 語學硏究 Vol.38 No.1
The purpose of this paper is to examine through experiment if Korean students can learn sounds like /r/, /f/, /b/ and /v/ precisely, sounds which Korean does not contain, and to discover methods whereby this learning may be accomplished. To this end, we prepared two kinds of test materials with 30 questions each, consisting of pairs with /l, r/, /f, p/, and /b, v/ in word-initial positions. In the tests, 40 third-year students from Janghang Technical High School served as subjects. The subjects were divided into two groups: an experimental group and a control group. The tests consisted of two steps. First, we examined each group's pronunciation ability of the above consonants in word-initial positions. Next, after teaching the experimental group the differences between the consonants above with special programs, we examined their degree of improvement. The results showed that the pronunciation ability of the experimental group improved more than that of the control group. In conclusion, although most of the subjects of the control group had difficulty in pronouncing the sounds that Korean does not contain, they improved their pronunciation ability to some degree by learning the place and manner of articulation, and through reetitive practice.
Kang, Seok Hui,Hwang, Hyeon Seok,Park, Hoon Suk,Sun, In O,Choi, Sun Ryoung,Chung, Byung Ha,Choi, Bum Soon,Yang, Chul Woo,Kim, Yong Soo,Min, Chang Ki,Park, Cheol Whee The Korean Academy of Medical Sciences 2011 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.26 No.10
<P>This study was done to observe the alteration of the estimated glomerular filtration rate (eGFR) in multiple myeloma patients according to type of tandem hematopoietic stem cell transplantation (HSCT). Forty-one patients were enrolled in this study. Twenty patients underwent autologous HSCT (auto-HSCT) and 21 patients underwent allogeneic HSCT (allo-HSCT). The changes in eGFR after the two tandem HSCT modalities were different between the two groups, according to the donor of stem cells (<I>P</I> = 0.016). In the auto-HSCT group, the eGFR, recorded 12 months after secondary HSCT, was significantly decreased compared with the eGFR recorded before stem cell mobilization (<I>P</I> = 0.005). Although there was no significant difference, the trend showed that the eGFR after allo-HSCT decreased from the previous HSCT until a month after secondary HSCT. In addition, after 6 months of secondary HSCT, the eGFR recovered to the level recorded prior to the HSCT (<I>P</I> = 0.062). This difference may be due to total body irradiation, a calcineurin inhibitor, or maintemance therapy. Changes in renal function would be monitored closely for these patients. The recovery of the eGFR would be a main focus for the patients treated with the total body irradiation or the calcineurin inhibitor, a progressive decline of the eGFR would be also crucial for the patients treated with maintenance therapy.</P>
The Clinical Significance of Physical Activity in Maintenance Dialysis Patients
Kang, Seok Hui,Do, Jun Young,Jeong, Hye Yun,Lee, So-Young,Kim, Jun Chul Karger Medical and Scientific Publishers 2017 Kidney & blood pressure research Vol. No.
<P>Background: The aim of the present study was to evaluate the effects of physical activity on various aspects in Asian dialysis patients. Methods: This was a retrospective cohort study. Study participants were recruited from 27 hospitals or dialysis centers in Korea (n = 1611). The participants were divided into 3 groups according to the degree of regular exercise: Inactive group, Intermediate group, and Active group. Results: The proportions of patients with frailty and the presence of each component decreased as physical activity increased. The presence and numbers of disabilities decreased as physical activity increased. The number of participants with a history of fall during the last 12 months was 149 (20.5%) in the Inactive group, 88 (16.9%) in the Intermediate group, and 48 (13.2%) in the Active group. Physical component scale and mental component scale scores increased as physical activity increased. The survival rate for all-cause death at 500 days was 95.5% in the Active group, 95.2% in the Intermediate group, and 93.5% in the Inactive group. Conclusion: High physical activity was associated with favorable results for most health-related quality of life scale scores, including frailty, disability, and exhaustion, in Korean dialysis patients. (C) 2017 The Author(s) Published by S. Karger AG, Basel</P>
The relationship between disability and clinical outcomes in maintenance dialysis patients
( Seok Hui Kang ),( Jun Young Do ),( Jun Chul Kim ) 영남대학교 의과대학 2021 Yeungnam University Journal of Medicine Vol.38 No.2
Background: Dialysis patients are prone to having disabilities. We aimed to evaluate the association between disability and various clinical outcomes in Korean dialysis patients. Methods: This study consisted of 1,615 dialysis patients from 27 centers. We evaluated disability by using four questions on the activities of daily living (ADLs) concerning whether help was needed for feeding, dressing/undressing, getting in/out of bed, or taking a bath/shower. We divided the patients into three groups: no disability (Non-D, none of the four ADL domains required help; n=1,312), mild disability (Mild-D, one ADL domain required some/full help; n=163), or moderate to severe disability (MS-D, two or more ADL domains required some/full help; n=140). We evaluated falls, frailty, health-related quality of life (HRQoL), mortality, and hospitalization. Results: The numbers of participants with a fall during the last 1 year were 199 (15.2%), 42 (25.8%), and 44 (31.4%) in the Non-D, Mild-D, and MS-D groups, respectively (p<0.001). The numbers of participants with frailty in the Non-D, Mild-D, and MS-D groups were 381 (29.0%), 84 (51.5%), and 93 (66.4%), respectively (p<0.001). In both univariate and multivariate analyses, the physical component scale and mental component scale scores decreased as the grade of disability increased (p<0.001 for both scores). Hospitalization-free survival rate at 500 days was 64.2%, 56.7%, and 51.1% in the Non-D, Mild-D, and MS-D, respectively (p=0.001 for trend). Patient survival rate at 500 days was 95.3%, 89.5%, and 92.3% in the Non-D, Mild-D, and MS-D, respectively (p=0.005 for trend). Conclusion: Disability was associated with falls, frailty, HRQoL scales, and survival trends in Korean dialysis patients.
( Seok Hui Kang ),( A Young Kim ),( Jun Young Do ) 대한신장학회 2022 Kidney Research and Clinical Practice Vol.41 No.6
Background: Further studies are needed to identify whether muscle mass, muscle strength, or sarcopenia is the best indicator of survival in patients undergoing peritoneal dialysis (PD). We aimed to compare the association of sarcopenia and its components with survival in patients undergoing PD. Methods: We identified all patients with PD (n = 199). We routinely recommended handgrip strength (HGS) and lean mass measurements using dual energy X-ray absorptiometry in all patients with PD. Sarcopenia was defined using cutoff values from the Asian Working Group for Sarcopenia. We evaluated the patient and technique survival rates. Results: The number of patients with low HGS was 95 (47.7%). The median follow-up interval was 17 months (interquartile range, 13-21 months). Kaplan-Meier curve analysis showed that patients with low HGS or sarcopenia had poorer patient and technique survival compared with patients with normal HGS or without sarcopenia. Cox regression analysis showed that patients with low HGS had greater hazard ratios for patient death and technique failure compared with those with normal HGS. However, patients with low muscle mass were not significantly higher hazard ratios for patient death or technique failure compared with those with normal muscle mass. Patients with sarcopenia had significantly greater hazard ratios for patient death or technique failure than those without sarcopenia only in univariate analysis. Conclusion: The present study demonstrated that HGS may be superior to muscle mass or sarcopenia for predicting patient or technique survival in patients undergoing PD.
The Oxford classification as a predictor of prognosis in patients with IgA nephropathy.
Kang, Seok Hui,Choi, Sun Ryoung,Park, Hoon Suk,Lee, Ja Young,Sun, In O,Hwang, Hyeon Seok,Chung, Byung Ha,Park, Cheol Whee,Yang, Chul Woo,Kim, Yong Soo,Choi, Yeong Jin,Choi, Bum Soon Springer International ; Oxford University Press 2012 Nephrology, dialysis, transplantation Vol.27 No.1
<P>In 2009, the Oxford classification was developed as a pathological classification system for immunoglobulin A nephropathy (IgAN) to predict the risk of disease progression. The aim of this retrospective study was to evaluate the clinical and pathologic relevance of the Oxford classification in Korean patients with a pathologic diagnosis of IgAN.</P>