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Lee, Su-Hwan,Shin, Pyeong,Bae, Hui-Su,Lee, Jang-Hee,Oh, Yang-Yeol,Lee, Sang-Hun,Rho, Tae-Hwan,Song, Beom-Heon,Cho, Jae-Yeong,Lee, Kyoung-Bo,Lee, Keon-Hui,Park, Ki-Hoon 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.6
Newly reclaimed tidal land is known to be in low status of soil fertility. The incorporation of crop residue is an effective method to improve soil properties and fertility in reclaimed saline soils. The objective of this study was to evaluate the efficiency of rice straw (RS) application to improve physico-chemical properties of saline-sodic soil and its contribution to productivity of whole crop barley. Increasing rate of rice straw improved growth parameter related to yield of whole crop barley, which increased tiller number significantly (p<0.05).The yield increased by 15% (F.W) and 9% (D.W) in rice straw-amended plots. The content of soil organic matter (SOM) in the surface soil (0-20cm) with rice straw incorporation increased by 5~9% (RS 2.5~RS 7.5) compared to RS 0, in which the content of SOM decreased after two consecutive cultivations. Rice straw incorporation promoted soil physico-chemical properties and nutrient-availability of the test crop, as indicated in change in soil bulk density, porosity and increased nutrient uptake of plant. Especially, the P content and uptake of whole crop barley increased with increasing the rate of rice straw application. In conclusion, the rice straw application at rates of $5.0-7.5ton{\cdot}ha^{-1}$ in reclaimed saline soils effectively improved soil properties and crop productivity, which has potentials to reduce the loss of chemical fertilizers and facilitate the favorable condition for crop growth under adverse soil condition.
Rationale and surgical technique of laparoscopic left lateral sectionectomy using endoscopic staples
Beom Hui Lee,Sung-Su Yun,Man Ki Kim,Hwa-Kyung Jung,Dong-Shik Lee,Hong-Jin Kim 대한외과학회 2014 Annals of Surgical Treatment and Research(ASRT) Vol.87 No.2
Purpose: Laparoscopic left lateral sectionectomy (LLLS) has been widely accepted due to benefits of minimally invasive surgery. Some surgeons prefer to isolate glissonian pedicles to segments II and III and to control individual pedicles with surgical clips, whereas opt like to control glissonian pedicles simultaneously using endoscopic stapling devices. The aim of this study was to find the rationale of LLLS using endoscopic staples. Methods: We retrospectively analyzed and compared the clinical outcomes (operation time, drainage length, transfusion, hospital stay, and complication rate) of 35 patients that underwent LLLS between April 2004 and February 2012. Patients were dichotomized by surgical technique based on whether glissonian pedicles were isolated and controlled (the individual group, n = 21) or controlled using endoscopic staples at once (the batch group, n = 14). Results: Mean operation time was 265.3 ± 21.3 minutes (mean ± standard deviation) in the individual group and 170 ± 22.9 minutes in the batch group. Operation time in the batch group was significantly shorter than the individual group (P = 0.007). Mean drainage length was 4.8 ± 1.6 and 2.6 ± 1.5 days in the individual and the batch group. There was significantly shorter in the batch group, also (P = 0.006). No transfusion was required in the batch group, but 4 patients in the individual group needed transfusion. Mean hospital stay was 10.7 ± 1.1 and 9.4 ± 0.8 days in the individual and the batch groups (P = 0.460). There were no significant complications or mortality in both groups. Conclusion: LLLS using endoscopic staples (batch group) was found to be an easier and safer technique without morbidity or mortality.
2002년 한,일 월드컵의 지역영향요인이 개최지역 주민의 성원에 미치는 영향에 관한 연구
이수범(Lee Su Beom),이성희(Lee Seong Hui) 한국호텔외식관광경영학회 2004 호텔경영학연구 Vol.13 No.1
The purpose of this study is to develope the theoretical model for the effects and support of the mega events such as World Cup. For this purpose, we have selected four factors as the effects of the World Cup : economic, social, cultural, and environmental effects. In addition, attachment is chosen for the preceding variable. Attachment factor has a positive effect on the economical factor and cultural exchange factor. Mega events support factor is directly and positively influenced by the cultural exchange factor and is affected adversely by social negative effect. In the case of attachment factor, it exerts indirect influence on the support factor. Although most literatures of the World Cup event`s effects have estimated affirmative economical effects, in this research host residents evaluate the consequence is too insignificant to recognize or support events. The finding can be used as valuable information to establish the similar mega event planning.
Hwang, Hui-Jeong,Lee, Man-Young,Youn, Ho-Joong,Oh, Yong-Seog,Rho, Tae-Ho,Chung, Wook-Sung,Park, Chul-Soo,Choi, Yun-Seok,Chung, Woo-Baek,Lee, Jae-Beom,Park, Hyun-Keun,Lim, KeunJoon,Lee, Jae Hak The Korean Society of Cardiology 2011 Korean Circulation Journal Vol.41 No.4
<P><B>Background and Objectives</B></P><P>Several predictors of recurrence of atrial fibrillation (AF) after ablation have been identified, including age, type of AF, hypertension, left atrial diameter and impaired left ventricular ejection fraction. The aim of this study was to investigate whether the atherosclerotic plaque thickness of the thoracic aorta is associated with a recurrence of AF after circumferential pulmonary vein ablation (CPVA).</P><P><B>Subjects and Methods</B></P><P>Among patients with drug-refractory paroxysmal or persistent AF, 105 consecutive (mean age 58±11 years, male : female=76 : 29) patients who underwent transesophageal echocardiography and CPVA were studied. The relationships between the recurrence of AF and variables, including clinical characteristics, plaque thickness of the thoracic aorta, laboratory findings and echocardiographic parameters were evaluated.</P><P><B>Results</B></P><P>A univariate analysis showed that the presence of diabetes {hazard ratio (HR)=3.425; 95% confidence interval (CI), 1.422-8.249, p=0.006}, ischemic heart disease (HR=4.549; 95% CI, 1.679-12.322, p=0.003), duration of AF (HR=1.010; 95% CI, 1.001-1.018, p=0.025), type of AF (HR=2.412, 95% CI=1.042-5.584, p=0.040) and aortic plaque thickness with ≥4 mm (HR=9.514; 95% CI, 3.419-26.105, p<0.001) were significantly associated with the recurrence of AF after ablation. In Cox multivariate regression analysis, only the aortic plaque thickness (with ≥4 mm) was an independent predictor of recurrence of AF after ablation (HR=7.250, 95% CI=1.906-27.580, p=0.004).</P><P><B>Conclusion</B></P><P>Significantly increased aortic plaque thickness can be a predictable marker of recurrence of AF after CPVA.</P>
Trends in Robotic Surgery in Korean Gynecology
( Seungmee Lee ),( Mee-ran Kim ),( Seok Ju Seong ),( Jiheum Paek ),( Yoon S Lee ),( Eun Ji Nam ),( Yong-man Kim ),( Young-han Park ),( Tae Joong Kim ),( Yong Beom Kim ),( Tae Jin Kim ),( San-hui Lee ) 대한산부인과학회 2020 대한산부인과학회 학술대회 Vol.106 No.-
Objective: The objective of this study is to discover the trends of robotic surgery in gynecology since the introduction of robotic surgery platforms in Korea. Methods: : Data for the use of robotic surgery in gynecologic diseases were collected from the 14 hospitals that perform most of the robotic gynecologic surgeries in Korea. Records of robotic surgeries from between 2006 and 2019 were selected (n = 12,405), and data including diagnoses, approach methods, and names of surgical procedures were obtained. Statistical analysis was performed, including a trend test. Results: Overall, robotic surgery in gynecology showed an increasing trend (p < 0.001). The common cases in which robotic surgery was used for benign diseases were uterine leiomyoma, adnexal tumors, and adenomyosis, which accounted for 68%, 17%, and 9% of benign cases, respectively. Common malignant diseases were cervical cancer, endometrial cancer, and ovarian cancer, accounting for 55%, 35%, and 5% of malignant cases, respectively. This increasing trend was significantly evident in uterine leiomyoma, both single-site and multiport approaches. Conclusion: Since robotic surgical platforms were introduced in Korea, the number of gynecologic robotic surgeries has grown rapidly. Considering these data, the use of robotic surgery is expected to grow continuously for both benign and malignant gynecological diseases. A large amount of minimal invasive surgeries are expected to be replaced with robotic surgeries.
복막투석 환자에서 발생한 후천성 천공성 피부병의 성공적 치료 1예
김희서 ( Hui Seo Kim ),이상희 ( Sanghee Lee ),이미지 ( Miji Lee ),주민숙 ( Mihnsook Jue ),이동영 ( Dong Young Lee ),문경협 ( Kyoung Hyub Moon ),김범 ( Beom Kim ) 대한내과학회 2020 대한내과학회지 Vol.95 No.3
Acquired perforating dermatosis (APD) triggers severe itching, and is observed most often in patients with diabetes mellitus (DM) and chronic kidney disease (CKD). Various treatments, such as topical steroids, topical and oral retinoids, allopurinol, and ultraviolet B (UVB) phototherapy, have been used. However, as the precise etiology is unknown, there are a lack of well-established treatment guidelines. We report a peritoneal dialysis patient with a diagnosis of APD who was resistant to topical steroids, phototherapy, allopurinol, and topical retinoids. Severe pruritus persisted, which compromised his ability to lead a normal life. As a final treatment option, we used oral isotretinoin and the patient experienced a dramatic improvement. (Korean J Med 2020;95:201-204)