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김남주,박현녀,이은령,정미라 이화여자대학교 의과대학 1980 梨花醫學誌 Vol.- No.12
We tried to convert the basal metabolic rate (B.M.R) of 493 males and 434 females on the basis of surface area of body who measured at our Department of Physiology 1963~1979 to that on the basis of body weight. 1) Our B.M.R. calculation on the basis of square meter is almost similar to early reports of Dr. Dong Jun Kim. 2) B.M.R. on the basis of body weight shows declining tendency in both males and females from 5 years to 35 years as was on the basis of the body surface area. 3) B.M.R. of the male is higher than that of the female. 4) The B.M.R. on the basis of body weight may be applicable to calculate energy expenditure as well as energy requirement in the daily life.
朴德圭,金銀伶,琴慶浩 慶北大學校 1991 論文集 Vol.51 No.-
In this study, it was observed that the discharge voltage is increased(Vd ∝ H), the discharge current and luminous intensity are decreased(L ∝ H^2) as the magnetic field intensity(H) applied on the several commercial fluorescent lamps is increased. Magnetic insulation is appeared in the condition that critical transverse magnetic field is applied on the fluorescent lamps. At that condition, discharge current is reduced very low level, and then glow is disappeared. As the length of the lamp tubes is decreased, magnetic field intensity has to increased in order to occur "magnetic insulation". The experimental relation between critical magnetic field intensity for magnetic insulation anil the length of the lamp tubes (H^*d_eff/V_d^(1/2) = A) is obtained.
Kim Hack-Lyoung,Park Sang Min,Cho In-Jeong,Kim Yu-Mi,Kim Dae-Hee,Sung Hye Kim,김광일,성기철,임상현,Shin Jinho,Yoonjung Kim,Kyungwon Oh,Lee Eun Mi 대한고혈압학회 2023 Clinical Hypertension Vol.29 No.-
Accurate blood pressure (BP) measurement is crucial for hypertension detection and management. The Korea National Health and Nutrition Examination Survey (KNHANES) assesses the health of Koreans using representative cross-sectional data. BP measurements were historically done with mercury sphygmomanometers for participants aged ≥10 years. However, KNHANES transitioned to Greenlight 300TM (mercury-free auscultatory device) in 2020 for participants aged ≥6 years and used dual devices (Microlife WatchBP Office AFIB and Greenlight) in 2021-2022. To ensure consistency, KNHANES will adopt Microlife as the unified BP device with Greenlight for device validation from 2023. Under the new protocol, participants aged ≥6 years will have their BP measured three times at 30-second intervals after a 5-minute rest under ambient temperature (20-25℃) and noise ≤65 dB. The average of the 2nd and 3rd readings will be used as the representative BP value. The quality control (QC) program involves four trained examiners passing the “quality control and assurance of BP measurement program” three times annually, and undergoing “video monitoring of weekly calibration process” once a year. Additionally, the QC team will conduct “on-site evaluations of BP measurement” at mobile examination centers three times a year. A Five-Step QC process for BP devices was also developed. This document outlines the standardized BP measurement protocol and rigorous QC program in KNHANES, aiming to ensure accurate and reliable BP data for epidemiological research and public health policymaking in South Korea.
Room Temperature Deposition of Indium Zinc Oxide Films on PES Substrate by LF Magnetron Sputtering
Eun Lyoung Kim,Duck Kyu Park,Choong Soo Kim,Ho-Young Cho,Sang Kooun Jung,이성호 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.51 No.2I
Using a indium zinc oxide (IZO) alloy target, highly transparent conducting oxide (TCO) thin films are prepared on polyether-sulphone (PES) substrates by low-frequency (LF) magnetron sputtering system. These films have amorphous structures with excellent electrical stability, high surface uniformity and high optical transmittance. Experiments were carried out as a function of applied voltage and deposition time. At optimal deposition conditions, thin films of IZO with a sheet resistance of 29 ohm/sq. and an optical transmission of over 82 \% in the visible spectrum range were achieved and it is shown that the films could be used as a good electrode candidate. The IZO thin films fabricated by this method do not require substrate heating during the film preparation or any additional post-deposition annealing treatment. Energy band gap values were in the range of 3.47 eV and 3.58 eV. Surface roughness values were Ra(1nm) and Rp-v(5 nm). The IZO-coated PES substrate was used as an anode for the device. The basic structure used in this study are PES / IZO(150 nm) / $\alpha$-NPD(40 nm) / Alq$_3$(40 nm) / LiF(2 nm) / Al(140 nm). At 18 V, luminescence was 815.7 cd/m$^2$.
Kim, Yeon-Sil,Kim, Bum-Soo,Jung, So-Lyoung,Lee, Yeon-Soo,Kim, Min-Sik,Sun, Dong-Il,Yoo, Eun-Jung,Mun, Seong-Kwon,Yoon, Sei-Chul,Chung, Su-Mi,Kim, Hoon-Kyo,Jo, Seung-Ho,Kang, Jin-Hyoung The Korean Cancer Association 2008 Cancer Research and Treatment Vol.40 No.4
Purpose: This retrospective study was carried out to evaluate the efficacy and toxicity of radiation therapy (RT) with/without cisplatin-based chemotherapy in nasopharyngeal cancer (NPC). Materials and Methods: One hundred forty six patients with NPC received curative RT and/or cisplatin-based chemotherapy. Thirty-nine patients were treated with induction chemotherapy (IC), including cisplatin and 5-fluorouracil followed by RT. Another 63 patients were treated with concurrent chemoradiotherapy (CCRT) using cisplatin, and 22 patients were treated with IC followed by CCRT. The remaining 22 patients were treated with RT alone. Results: One hundred four (80.0%) patients achieved complete response (CR), and 23 (17.7%) patients achieved partial response (PR). The patterns of failure were: locoregional recurrences in 21.2% and distant metastases in 17.1%. Five-year overall survival (OS) and progression free survival (PFS) were 50.7% and 45.0%, respectively. Multivariate Cox stepwise regression analysis revealed CR to chemoradiotherapy to be a powerful prognostic factor for OS. CR to chemoradiotherapy and completion of radiation according to the time schedule were favorable prognostic factors for PFS. A comparison of each treatment group (IC → RT vs. CCRT vs. IC → CCRT vs. RT alone) revealed no significant differences in the OS or PFS. However, subgroup analysis showed significant differences in both OS and DFS in favor of the combined chemoradiotherapy group compared with RT alone, for stage IV and T3-4 tumors. Grade 3-4 toxicities were more common in the combined chemoradiotherapy arm, particularly in the CCRT group. Conclusions: This study was limited in that it was a retrospective study, much time was required to collect patients, and there were imbalances in the number of patients in each treatment group. Combined chemoradiotherapy remarkably prolonged the OS and PFS in subgroup patients with stage IV or T3-4 NPC.
Kim Ue-Hwan,Kim Moon Young,Park Eun-Ah,Lee Whal,Lim Woo-Hyun,Kim Hack-Lyoung,Oh Sohee,Jin Kwang Nam 대한영상의학회 2021 Korean Journal of Radiology Vol.22 No.11
Objective: With the recent development of various MRI-conditional cardiac implantable electronic devices (CIEDs), the accurate identification and characterization of CIEDs have become critical when performing MRI in patients with CIEDs. We aimed to develop and evaluate a deep learning-based algorithm (DLA) that performs the detection and characterization of parameters, including MRI safety, of CIEDs on chest radiograph (CR) in a single step and compare its performance with other related algorithms that were recently developed. Materials and Methods: We developed a DLA (X-ray CIED identification [XCID]) using 9912 CRs of 958 patients with 968 CIEDs comprising 26 model groups from 4 manufacturers obtained between 2014 and 2019 from one hospital. The performance of XCID was tested with an external dataset consisting of 2122 CRs obtained from a different hospital and compared with the performance of two other related algorithms recently reported, including PacemakerID (PID) and Pacemaker identification with neural networks (PPMnn). Results: The overall accuracies of XCID for the manufacturer classification, model group identification, and MRI safety characterization using the internal test dataset were 99.7% (992/995), 97.2% (967/995), and 98.9% (984/995), respectively. These were 95.8% (2033/2122), 85.4% (1813/2122), and 92.2% (1956/2122), respectively, with the external test dataset. In the comparative study, the accuracy for the manufacturer classification was 95.0% (152/160) for XCID and 91.3% for PPMnn (146/160), which was significantly higher than that for PID (80.0%,128/160; p < 0.001 for both). XCID demonstrated a higher accuracy (88.1%; 141/160) than PPMnn (80.0%; 128/160) in identifying model groups (p < 0.001). Conclusion: The remarkable and consistent performance of XCID suggests its applicability for detection, manufacturer and model identification, as well as MRI safety characterization of CIED on CRs. Further studies are warranted to guarantee the safe use of XCID in clinical practice.
Resistant hypertension: consensus document from the Korean society of hypertension
Park Sungha,Shin Jinho,임상현,김광일,Kim Hack-Lyoung,Kim Hyeon Chang,Lee Eun Mi,Lee Jang Hoon,Ahn Shin Young,Cho Eun Joo,Kim Ju Han,Kang Hee-Taik,Lee Hae-Young,Lee Sunki,Kim Woohyeun,Park Jong-Moo 대한고혈압학회 2023 Clinical Hypertension Vol.29 No.-
Although reports vary, the prevalence of true resistant hypertension and apparent treatment-resistant hypertension (aTRH) has been reported to be 10.3% and 14.7%, respectively. As there is a rapid increase in the prevalence of obesity, chronic kidney disease, and diabetes mellitus, factors that are associated with resistant hypertension, the prevalence of resistant hypertension is expected to rise as well. Frequently, patients with aTRH have pseudoresistant hypertension [aTRH due to white-coat uncontrolled hypertension (WUCH), drug underdosing, poor adherence, and inaccurate office blood pressure (BP) measurements]. As the prevalence of WUCH is high among patients with aTRH, the use of out-of-office BP measurements, both ambulatory blood pressure monitoring (ABPM) and home blood pressure monitoring (HBPM), is essential to exclude WUCH. Non-adherence is especially problematic, and methods to assess adherence remain limited and often not clinically feasible. Therefore, the use of HBPM and higher utilization of singlepill fixed-dose combination treatments should be emphasized to improve drug adherence. In addition, primary aldosteronism and symptomatic obstructive sleep apnea are quite common in patients with hypertension and more so in patients with resistant hypertension. Screening for these diseases is essential, as the treatment of these secondary causes may help control BP in patients who are otherwise difficult to treat. Finally, a proper drug regimen combined with lifestyle modifications is essential to control BP in these patients.
자가면역성 용혈성빈혈을 동반한 전신성 홍반성낭창 1예 보고
김미경,손현주,이은령,이정엽,최규복,윤견일 梨花女子大學校 醫科大學 醫科學硏究所 1985 EMJ (Ewha medical journal) Vol.8 No.3
We presented here a patient of autoimmune hemolytic anemia associated with systemic lupus erythematosus. This 38 year old female was admitted because of dizziness and dyspnea. In peripheral blood and bone marrow study, characteristics of autoimmune hemolytic anemia were seen. And she was well treated with prednisolone only. The general concept of autoimmune hemolytic anemia with the brief review of literature is discussed.