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Kwon Mi-ri,Ko Eun Sook,Park Min Su,Jeong Woo Kyoung,Hwang Na Young,Kim Jae-Hun,Lee Jeong Eon,Kim Seok Won,Yu Jong Han,Han Boo-Kyung,Ko Eun Young,Choi Ji Soo,Park Ko Woon 대한영상의학회 2022 Korean Journal of Radiology Vol.23 No.2
Objective: This study aimed to investigate the impact of baseline values and temporal changes in body composition parameters, including skeletal muscle index (SMI) and visceral adipose tissue area (VAT), measured using serial computed tomography (CT) imaging on the prognosis of operable breast cancers in Asian patients. Materials and Methods: This study retrospectively included 627 Asian female (mean age ± standard deviation [SD], 53.6 ± 8.3 years) who underwent surgery for stage I–III breast cancer between January 2011 and September 2012. Body composition parameters, including SMI and VAT, were semi-automatically calculated on baseline abdominal CT at the time of diagnosis and follow-up CT for post-treatment surveillance. Serial changes in SMI and VAT were calculated as the delta values. Multivariable Cox regression analysis was used to evaluate the association of baseline and delta SMI and VAT values with disease-free survival. Results: Among 627 patients, 56 patients (9.2%) had breast cancer recurrence after a median of 40.5 months. The mean value ± SD of the baseline SMI and baseline VAT were 43.7 ± 5.8 cm2/m2 and 72.0 ± 46.0 cm2, respectively. The mean value of the delta SMI was -0.9 cm2/m2 and the delta VAT was 0.5 cm2. The baseline SMI and VAT were not significantly associated with disease-free survival (adjusted hazard ratio [HR], 0.983; 95% confidence interval [CI], 0.937–1.031; p = 0.475 and adjusted HR, 1.001; 95% CI, 0.995–1.006; p = 0.751, respectively). The delta SMI and VAT were also not significantly associated with disease-free survival (adjusted HR, 0.894; 95% CI, 0.766–1.043; p = 0.155 and adjusted HR, 1.001; 95% CI, 0.989–1.014; p = 0.848, respectively). Conclusion: Our study revealed that baseline and early temporal changes in SMI and VAT were not independent prognostic factors regarding disease-free survival in Asian patients undergoing surgery for breast cancer.
Kwon, Mi-Ri,Kim, Chan Kyo,Kim, Jae-Hun British Institute of Radiology 2017 The British journal of radiology Vol.90 No.1079
<P>Advance in knowledge: DWI using b = 1000 s mm(-2) instead of b = 1500 s mm(-2) reduces examination time or image distortion, with improved the signal-to-noise ratio.</P>
Pilot-scale Subcritical Water Extraction of Decursin and Nodakenin from Angelica gigas Nakai
Mi-Ri Kwon,Hwa-Hyun Nam,Myong-Soo Chung 한국산업식품공학회 2017 학술대회 및 심포지엄 Vol.2017 No.04
Angelica gigas Nakai has been used for traditional Korean medicine which acts anti-inflammatories, protects the liver, and enhances the immune system. Subcritical water extraction (SWE) is an eco-friendly extraction method in which the pressure is applied between the boiling point and critical temperature of water that maintains the liquid state. The aim of study was to determine the optimal extraction conditions for subcritical water extraction of the decursin and nodakenin from Angelica gigas Nakai, comparing two scales, laboratory-scale (22 mL) and pilot-scale (8 L) devices to assess the feasibility of industrial applications. Extraction efficiencies were evaluated by measuring total polyphenol contents and DPPH radical scavenging activity with a spectrophotometer, extraction yields of decursin and nodakenin with a high-performance liquid chromatography. The subcritical water extraction conditions of pilot-scale were as follows: extraction temperature of 150, 170, 190 and 210°C; extraction times of 5, 10, 15, and 20 min. The highest yields of decursin and nodakenin were at 190°C/15 min (17.65 mg/g Angelica gigas) and 170°C/20 min (4.35 mg/g Angelica gigas), respectively. These were not significantly different from the maximum contents of decursin (13.49 mg/g Angelica gigas), and nodakenin (4.66 mg/g Angelica gigas) for lab-scale subcritical water extraction. The maximum values for total polyphenol content and DPPH scavenging activity of subcritical water extraction were 64.32 mg/g Angelica gigas and 74.4%, respectively. On the other hand, those of conventional extraction method using methanol (60°C/120 min) were obtained as 14.31 mg/g Angelica gigas and 41.9%. Therefore, the subcritical water extraction is a rapid and efficient method for extracting polyphenols and anti-oxidative compounds.
Kwon Jae-Woo,Kim Mi-Ae,Sim Da Woon,Lee Hwa Young,Rhee Chin Kook,Yang Min-Suk,심지수,김민혜,Kim So Ri,Park Chan Sun,Kim Byung-Keun,Kang Sung-Yoon,Choi Gil-Soon,Lee Hyun,Jang An-Soo,김상헌 대한천식알레르기학회 2022 Allergy, Asthma & Immunology Research Vol.14 No.3
Purpose: Oral corticosteroids (OCSs) are frequently prescribed for asthma management despite their adverse effects. An understanding of the pattern of OCS treatment is required to optimize asthma treatment and reduce OCS usage. This study evaluated the prescription patterns of OCSs in patients with asthma. Methods: This is a retrospective multicenter observational study. We enrolled adult (≥18 years) patients with asthma who had been followed up by asthma specialists in 13 university hospitals for ≥3 years. Lung function tests, the number of asthma exacerbations, and prescription data, including the days of supply and OCS dosage, were collected. The clinical characteristics of OCS-dependent and exacerbation-prone asthmatic patients were evaluated. Results: Of the 2,386 enrolled patients with asthma, 27.7% (n = 660) were OCS users (the median daily dose of OCS was 20 mg/day prednisolone equivalent to a median of 14 days/year). OCS users were more likely to be female, to be treated at higher asthma treatment steps, and to show poorer lung function and more frequent exacerbations in the previous year than non-OCS users. A total of 88.0% of OCS users were treated with OCS burst with a mean dose of 21.6 ± 10.2 mg per day prednisolone equivalent to 7.8 ± 3.2 days per event and 2.4 times per year. There were 2.1% (51/2,386) of patients with OCS-dependent asthma and 9.5% (227/2,386) with exacerbation-prone asthma. These asthma phenotypes were consistent over the 3 consecutive years in 47.1% of OCS-dependent asthmatic patients and 34.4% of exacerbation-prone asthmatic patients when assessed annually over the 3-year study period. Conclusions: We used real-world data from university hospitals in Korea to describe the OCS prescription patterns and relievers in asthma. Novel strategies are required to reduce the burden of OCS use in patients with asthma.
권숙희,김영자,문길남,김인순,박금자,박춘화,배정이,송애리,여정희,정은순,정향미 동의대학교 기초과학연구소 1997 基礎科學硏究論文集 Vol.7 No.1
This study was done for the purpose of analyzing the relationship between menopausal symptoms and depression. Data was collected by a questionaire from November 28 to December 30, 1995. The subjects were 134 women between 40-61 years of age. The instruments used for this study were The Menopausal symptom scale by Neugartom and Depression scale by Zung. The results of the study were as follows. 1. Mean score of menopausal symptoms was 1.59. Mean score orders of experienced symptoms were $quot;$quot;Back pain and joint pain$quot;$quot;(2.02), $quot;$quot;General weakness$quot;$quot; (1.98), $quot;$quot;Nervousness$quot;$quot;(1.96). The most serious menopausal symptom was psycho-somatic symptom.(1.88). Total score orders of experienced symptoms was 27.9 and over 90.3% of women complained menopausal symptom, 2. Mean score orders of depression was 39.13. It was normal range of depression. 85.1% of the women was normal range of depression and 14.2% of women mild depression. 3. The relationship between menopausal symptoms and depression was statistically significant(r=0.5307, P=0.000). When the relationship among three demensions of menopausal symptoms were explored the psycho-somatic symptom(r=0.4090, P=0.000), Physical symptom(r=0.319, P=0.000) were statistically significant. 4. General characteristic variable were significantly related to the level of menopausal symptoms as follows : enviroment of living (F=2.89, p=0.038). religion (F=4.18 p=0.007), times of birth(F=2.66, p=0.043). The analysis of this study have implication for management of middle aged women's health, to solve the nursing problems, and to prevent and relieve climacteric symptoms.
Kwon Yong Shik,Park Sun Hyo,Kim Hyun Jung,Lee Ji Yeon,Hyun Mi-ri,Kim Hyun ah,박재석 대한의학회 2020 Journal of Korean medical science Vol.35 No.26
There is still a paucity of studies on real-world outcome of screening clinic for hospital protection from coronavirus disease 2019 (COVID-19). As the number of COVID-19 cases was growing rapidly in Daegu, Korea, we started operating an active screening clinic outside the hospital premises. Over two weeks, 2,087 patients were screened using real- time reverse transcriptase polymerase chain reaction testing for severe acute respiratory syndrome coronavirus 2, with 42 confirmed cases. Before the screening clinic period, an average of 36 beds (maximum 67 beds) per day were closed due to unrecognized COVID-19 patients entering the hospital. In contrast, after the screening clinic operated well, only one event of closing emergency room (25 beds) occurred due to a confirmed COVID-19 case of asymptomatic patient. We report the operational process of screening clinic for COVID-19 and its effectiveness in maintaining the function of tertiary hospitals.