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복부추나미용이 성인여성의 신체조성 및 3D체형변화에 미치는 영향
정유영,이인희 한국인체미용예술학회 2014 한국인체미용예술학회지 Vol.15 No.1
This study has attempted to determine the effects of Tuina therapy, catechin intakeand exercise on the management of abdominal obesity among adult women. For this, atotal of 15 women who met the standards set by the WHO-WPR BMI: 23.0-30.0kg/㎡,PBF: 28.0-35.0%, WHR: 0.85-0.95) were chosen among adult women living in Seoul. These subjects were given Tuina therapy and exercise therapy (20 minutes each) three(3) times a week and administered catechin in the morning and in the evening (2 pillsper dose, 300mg/day) 30 minutes after meals for five (5) weeks from June 17 to July 20,2013. Following this, body composition and changes in body shape were analyzed throughphysiological testing prior to and following the experiment. According to changes in bodycomposition by group, BMI significantly declined in all three groups: Control Group (A),Dietary Group (B) and Exercise Group (C). In terms of BMI and BFM, a significantdecrease was observed in Group B and Group C. In terms of SMM and FFM, asignificant increase was found in Group C only. In terms of 3D body shape changes,abdominal circumference declined in all three groups. Waist circumference and hipcircumference decreased in Group C only.
Outcomes of the Tower Crane Technique with a 15-mm Trocar in Primary Spontaneous Pneumothorax
정유영,조현진,강신광,나명훈,유재현,임승평,강민웅 대한흉부외과학회 2016 Journal of Chest Surgery (J Chest Surg) Vol.49 No.2
Background: Video-assisted thoracoscopic surgery (VATS) pulmonary wedge resection has emerged as the standard treatment for primary spontaneous pneumothorax. Recently, single-port VATS has been introduced and is now widely performed. This study aimed to evaluate the outcomes of the Tower crane technique as novel technique using a 15-mm trocar and anchoring suture in primary spontaneous pneumothorax. Methods: Patients who underwent single- port VATS wedge resection in Chungnam National University Hospital from April 2012 to March 2014 were enrolled. The medical records of the enrolled patients were reviewed retrospectively. Results: A total of 1,251 patients were diagnosed with pneumothorax during this period, 270 of whom underwent VATS wedge resection. Fifty-two of those operations were single-port VATS wedge resections for primary spontaneous pneumothorax performed by a single surgeon. The median age of the patients was 19.3±11.5 years old, and 43 of the patients were male. The median duration of chest tube drainage following the operation was 2.3±1.3 days, and mean postoperative hospital stay was 3.2±1.3 days. Prolonged air leakage for more than three days following the operation was observed in one patient. The mean duration of follow-up was 18.7±6.1 months, with a recurrence rate of 3.8%. Conclusion: The tower crane technique with a 15-mm trocar may be a promising treatment modality for patients presenting with primary spontaneous pneumothorax.
정유영,김은솔,강나경,신재은 인문사회 21 2023 인문사회 21 Vol.14 No.3
This paper aims to evaluate the design and implementation of the International Election Observation Program of Korea. It analyzed literature and interview using criteria of OECD DAC as a framework. It is evaluated that the program has comparative advantage in capacity building of participants based on Korea’s experience. The program is aligned with needs of countries in transitional democracy while relevant to domestic and international policy. On the other hand, the performance management of program can be improved by establishing a program theory, evaluation system, and program manual.
Circulating Tumor Cell Detection in Lung Cancer Animal Model
정유영,정용채,황의두,조현진,강민웅,나명훈 대한흉부외과학회 2021 Journal of Chest Surgery (J Chest Surg) Vol.54 No.6
Background: Metastasis and recurrence of primary cancer are the main causes of cancer mortality. Disseminated tumor cells refer to cancer cells that cause metastasis from prima- ry cancer to other organs. Several recent studies have suggested that circulating tumor cells (CTCs) are associated with the clinical stage, cancer recurrence, cancer metastasis, and prognosis. There are several methods of isolating CTCs from whole blood; in particu- lar, using a membrane filtration system is advantageous due to its cost-effectiveness and availability in clinical settings. In this study, an animal model of lung cancer was established in nude mice using the human large cell lung cancer cell line H460. Methods: Six-week-old nude mice were used. The H460 lung cancer cell line was inject- ed subcutaneously into the nude mice. Blood samples were obtained from the orbital area before cell line injection, 2 weeks after injection, and 2 weeks after tumor excision. Blood samples were filtered using a polycarbonate 12-well Transwell membrane (Corning Inc., Corning, NY, USA). An indirect immunofluorescence assay was performed with the epithelial cell adhesion molecule antibody. The number of stained cells was counted using fluorescence microscopy. Results: The average size of the tumor masses was 35.83 mm. The stained cells were counted before inoculation, 2 weeks after inoculation, and 2 weeks after tumor excision. Cancer cells generally increased after inoculation and decreased after tumor resection. Conclusion: The CTC detection method using the commercial polycarbonate 12-well Transwell (Corning Inc.) membrane is advantageous in terms of cost-effectiveness and convenience.
Classic Peripheral Signs of Subacute Bacterial Endocarditis
정유영,한성준,이연주,강신광,유재현,나명훈 대한흉부외과학회 2016 Journal of Chest Surgery (J Chest Surg) Vol.49 No.5
A 50-year-old female patient with visual disturbances was referred for further evaluation of a heart murmur. Fundoscopy revealed a Roth spot in both eyes. A physical examination showed peripheral signs of infective endocarditis, including Osler nodes, Janeway lesions, and splinter hemorrhages. Our preoperative diagnosis was subacute bacterial endocarditis with severe aortic regurgitation. The patient underwent aortic valve replacement and was treated with intravenous antibiotics for 6 weeks postoperatively. The patient made a remarkable recovery and was discharged without complications. We report this case of subacute endocarditis with all 4 classic peripheral signs in a patient who presented with visual disturbance.
그래프 임베딩 및 준지도 기반의 이더리움 피싱 스캠 탐지
정유영,김경태,임동혁,Yoo-Young Cheong,Gyoung-Tae Kim,Dong-Hyuk Im 한국정보처리학회 2023 정보처리학회논문지. 컴퓨터 및 통신시스템 Vol.12 No.5
최근 블록체인 기술이 부상하면서 이를 이용한 암호화폐 플랫폼이 늘어나며 화폐 거래가 활발이 이뤄지고 있다. 그러나 암호화폐의 특성을 악용한 범죄 또한 늘어나 문제가 되고 있다. 특히 피싱 스캠은 이더리움 사이버 범죄의 과반수 이상을 차지하며 주요 보안 위협원으로 여겨지고 있다. 따라서 효과적인 피싱 스캠 탐지 방법이 시급하다. 그러나 전체 이더리움 참여 계정 주소에서 라벨링된 피싱 주소의 부족으로 인한 데이터 불균형 문제로 지도학습에 충분한 데이터 제공이 어려운 상황이다. 이를 해결하기 위하여 본 논문에서는 이더리움 트랜잭션 네트워크를 고려한 효과적인 그래프 임베딩 기법인 trans2vec과 준지도 학습 모델 tri-training을 함께 사용하여 라벨링된 데이터 뿐만 아니라 라벨링되지 않은 데이터도 최대한 활용하는 피싱 스캠 탐지 방법을 제안한다. With the recent rise of blockchain technology, cryptocurrency platforms using it are increasing, and currency transactions are being actively conducted. However, crimes that abuse the characteristics of cryptocurrency are also increasing, which is a problem. In particular, phishing scams account for more than a majority of Ethereum cybercrime and are considered a major security threat. Therefore, effective phishing scams detection methods are urgently needed. However, it is difficult to provide sufficient data for supervised learning due to the problem of data imbalance caused by the lack of phishing addresses labeled in the Ethereum participating account address. To address this, this paper proposes a phishing scams detection method that uses both Trans2vec, an effective graph embedding techique considering Ethereum transaction networks, and semi-supervised learning model Tri-training to make the most of not only labeled data but also unlabeled data.
Life-Threatening Congenital Cystic Adenomatoid Malformation in the Premature Neonate
정유영,이연주,한성준,조현진,강신광,강민웅 대한흉부외과학회 2016 Journal of Chest Surgery (J Chest Surg) Vol.49 No.3
Congenital cystic adenomatoid malformation is a rare, but well-known disease. It can be managed conservatively in patients without symptoms or require surgical removal when symptomatic. The surgical option of choice is en bloc resection of the affected lesion. We report an experience of life-threatening congenital cystic adenoid malformation in a low-birth-weight (1,590 g) premature neonate who was successfully treated with a lobectomy of the lung.