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이민승,오승현,정우녕,노지원,안영민,안세영,이병철,Lee, Min-seong,Oh, Seung-hyun,Jung, Woo-nyoung,Noh, Ji-won,Ahn, Young-min,Ahn, Se-young,Lee, Byung-cheol 대한한방내과학회 2022 大韓韓方內科學會誌 Vol.43 No.5
Objective: This study was conducted to investigate whether acupuncture and moxibustion treatment could improve proteinuria in immunoglobulin A nephropathy. Methods: A 25-year-old man diagnosed with immunoglobulin A nephropathy had severely increased proteinuria. We conducted acupuncture treatment and moxibustion treatment on the abdominal area between the abdominal aorta and kidney at level L2. Results: After five months of acupuncture and moxibustion treatment, the patient's urine albumin/creatinine ratio and urine protein/creatinine ratio had improved from 0.571 to 0.28 and 0.79 to 0.47, respectively. Conclusions: This case report suggests that acupuncture and moxibustion treatment may ameliorate proteinuria in immunoglobulin A nephropathy.
오적산 병용투여가 혈당강하 치료를 받고 있는 제2형 당뇨병 환자의 혈당에 미치는 영향
이민승,정수민,오승현,이한영,임형근,안영민,안세영,이병철,Lee, Min-seong,Jeong, Su-min,Oh, Seung-hyun,Lee, Han-young,Leem, Hyung-geun,Ahn, Young-min,Ahn, Se-young,Lee, Byung-cheol 대한한방내과학회 2021 大韓韓方內科學會誌 Vol.42 No.1
Objective: This study was conducted to investigate the hypoglycemic effect and safety of Ojeok-san in patients with type 2 Diabetes Mellitus. Methods: We investigated type 2 diabetes mellitus patients at Kyung-Hee University Korean Medical Hospital who were administered Ojeok-san for at least one day between January 2012 and September 2020, basal characteristics and laboratory tests were reviewed retrospectively. The hypoglycemic effect of Ojeok-san was assessed by comparing fasting blood sugar (FBS) and two hours post-prandial plasma glucose (PP2) levels from before and after taking Ojeok-san. Subgroup analyses were conducted according to baseline hypoglycemic treatments and glycated hemoglobin levels (< or ≥6.5%). The safety of Ojeok-san was assessed by comparing levels of aspartate aminotransferase, alanine aminotransferase, γ-glutamyl transferase, blood urea nitrogen, and creatinine. Results: After Ojeok-san administration, FBS and PP2 were significantly reduced to an average of 14.33 mg/dL and 27.67 mg/dL respectively. In the subgroup analysis, PP2 in patients receiving metformin mono therapy was significantly reduced to 28.67 mg/dL, and those receiving a dual therapy of metformin and DPP-4 inhibitor, it was significantly reduced to 32.33 mg/dL. In patients with glycated hemoglobin of lower than 6.5%, FBS was significantly reduced to 12.20 mg/dL, and both FBS and PP2 were significantly reduced, to 15.50 mg/dL and 40.00 mg/dL, respectively, in those with glycated hemoglobin levels of more than 6.5%. The safety profile showed no significant difference after Ojeok-san administration. Conclusions: Ojeok-san has significant hypoglycemic effects in patients with type 2 diabetes mellitus who are also taking hypoglycemic agents.
차량동역학 해석 프로그램 AUTODYN7용 UA타이어 모델 개발
이민승(Min-Seung Lee),김광석(Kwang-Suk Kim),유완석(Wan-Suk Yoo) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.11_1
In this study, the UA tire model in the ADAMS program is analyzed and added to the AUTODYN7(AUTOmobil DYNamics in G7) program as an additional tire model. In the UA tire model, most of tire dynamic parameters are derived by using the tire geometry rather than experimental data. Formulations are derived analytically as functions of slip ratio, slip angle, camber angle, and other tire dynamic parameters. To verify the developed tire model, lane change simulations are performed in the ADAMS program and the AUTODYN7 program.
정수민,이민승,오승현,이한영,임형근,안영민,안세영,이병철,Jeong, Su-min,Lee, Min-seong,Oh, Seung-hyun,Lee, Han-yong,Leem, Hyung-geun,Ahn, Young-min,Ahn, Se-young,Lee, Byeong-chul 대한한방내과학회 2021 大韓韓方內科學會誌 Vol.42 No.5
Objectives: This study aimed to determine whether Korean medicine could improve unilateral testicular pain caused by recurrent varicocele without unfavorable side effects. Methods: A 46-year-old man diagnosed with varicocele, identified with a scrotal ultrasound scan, had right-side testicular pain. We administered Banchong-san and Eunhoebanchong-san to observe changes in the degree of pain. Results: After one month of taking Banchong-san and Eunhoebanchong-san, testicular pain improved. Conclusion: This study suggests that Korean medicine might be effective for managing testicular pain caused by varicocele.
차량동역학 해석 프로그램 AUTODYN7의 적분알고리즘 비교 연구
김광석(Kwang-Suk Kim),이민승(Min-Seung Lee),유완석(Wan-Suk Yoo) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.6_1
A special multibody dynamic analysis program AUTODYN7(AUTOmoble DYNamics in G7) is developed as one of G7 projects supported by the Korean government and several companies. The equations of motion are derived with a velocity transformation technique and Lagrange's equations. In this paper, several integration algorithms employed in AUTODYN7 are explained and compared.<br/> <br/>
유럽향 2세대 Wide TV용 PALplus 디지털 디코더 시스템의 개발
김정훈,이민승,정태홍,송동일,이명호 한국방송공학회 1997 한국방송공학회 학술대회 Vol.1 No.1
Palplus system is a new European 16:9 wide screen TV format which has a full compatibility with standard PAL and the system has a advantage of improving picture quality by the reduction of cross color and cross luminance as well as making use of the full horizontal luminance bandwidth of the PAL system. We implemented European 16:9 PALplus Digital decoder(625/50/2:1) system using SVP(Serial Video Processor) IC and discrete helper demodulator
장영익,최훈,이민승,손지선,오광조 대한마취과학회 2000 Korean Journal of Anesthesiology Vol.39 No.3
Background: The purpose of this study is to compare the effectiveness of thoracic epidural anesthesia (TEA) and general anesthesia (GA) in terms of side effects, postoperative pain control and the cost of anesthesia for breast mass excision surgery. Methods: Forty-three patients rated as ASA physical status class 1 or 2 who underwent breast mass excision surgery were included in the study. In the TEA group (n = 20), 2% lidocaine (3 ml) and 0.5% bupivacaine (3 ml) were administered via the epidural route. Blood pressure and heart rate were measured before and at 3, 6, 9, 12, 15, 18 21, 24, 27 and 30 minutes after epidural injection. In the GA group (n = 23) patients were maintained by general anesthesia with enflurane and 50% nitrous oxide in oxygen. After the operation, patients were given NSAID-diclofenac sodium as they wanted. Analgesic requirement, satisfaction score, and anesthesia-related side effects were recorded 1 day after surgery. Satisfaction scores of the surgeons and patients were recorded as excellent (4 point), good (3 point), fair (2 point), and unacceptable (1 point). Results: Overall satisfaction scores and side effects were not significantly different between the TEA group and the GA group. Anesthesia cost (80,883.2 ± 3956.9 vs 32,284.8 ±1209.4 won) were significantly lower in the TEA group than in the GA group. Conclusions: There were not significant differences in satisfaction scores and postoperative side effests between the TEA and GA groups. TEA provided lower anesthesia cost than GA for breast mass excision surgery.
고농도 Isoflurane 흡에 의한 심혈관계 반응의 연령에 따른 차이
송희선,이준례,고성훈,이민승 대한마취과학회 2000 Korean Journal of Anesthesiology Vol.38 No.2
Background : The inhalation of a high concentration of isoflurane transiently increases heart rate (HR) and blood pressure. The current study examined the effects of age on isofluraneinduced circulatory responses. Methods : One hundred-ten patients were randonlly allocated into one of four groups according to age: under 10 years (Group 1),20-40 years (Group 2),41-60 years (Group 3), and over 65 years (Group 4). In each group, the inspired concentration of isoflurane via mask was increased to 5.0 vol % abruptly The target was to produce an end-tidal concentration of isoflurane (ET,isof) of 2.6 vol% which was maintained until the end of the study by adjusting the vaporizer setting when necessary. HR, mean arterial Pressure (MAP), ETisof, and end-tidal concentration of carbon dioxide were measured at baseline and every 30 seconds for 5 minutes after inhalation of isoflurane and for 2 minutes after intubation. Results : HR and MAP significantly increased after inhalation of isoflurane in all four groups compared With the baseline. The time from administration of isoflurane to the maximal HR was less than that for MAP. However. there were no significant differences among the groups for Etisof at the maximal HR and MAP. In Groups 1 and 4, the times for maximal HR were shorter than in Groups 2 and 3. In aged patients (Group 4), the isoflurane-induced HR increase was less than in the other three groups. There were no significant differences among the groups in increases of MAP. Conclusions: The high concentration of isoflurane transiently increases HR and MAP during inhaled anesthesia induction. In aged patients, the increase in HR is less than in younger-aged patients. (Korean J Anesthesiol 2000: 38: 272 ∼219)