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윤해란,전호경,이원석,조용범,윤성현,이우용 대한의학회 2008 Journal of Korean medical science Vol.23 No.6
The lengths of the surgical rectum and peritoneal reflection were important factors in treatment modality of rectal tumor. To evaluate the surgical length of rectum, we measured the length of the peritoneal reflections, sacral promontory and termination of the taenia coli from the anal verge by rigid sigmoidoscope in 23 male and 23 females during operation. The mean lengths of the sacral promontory were 16.5± 2.2 cm and 16.1±2.2 cm in the males and females, respectively. As for the peritoneal reflection, the results were anterior (8.8±2.2 cm, 8.1±1.7 cm), lateral (10.8 ±2.7 cm, 11.4±1.9 cm) and posterior (13.8±2.5 cm, 14.0±1.9 cm), respectively. There were no statistically significant differences between male and female. And only height had a correlation with the length of sacral promontory both in male and female (p=0.015 and p=0.018, respectively). For all the estimated lengths, the length of the sacral promontory had a correlation with the lengths of the anterior (p<0.001 and p=0.001) and posterior (p<0.001 and p<0.001) peritoneal reflections in males and females, respectively. We suggest that the intra-operative lengths of the rectum and peritoneal reflection will be useful information for treatment modality of rectal tumor clinically in Korean.
결장직장 질환에서 수부보조 복강경 수술과 고식적 복강경 수술의 습득곡선 비교
윤해란,이원석,윤성현,이우용,전호경 대한대장항문학회 2007 Annals of Coloproctolgy Vol.23 No.3
Purpose: Laparoscopic colorectal surgery is technically demanding and needs a longer learning curve than open surgery. HALS (hand-assisted laparoscopic surgery) is a useful alternative to conventional laparoscopic surgery (CLS) because of its palpability and hand dissection. We compared the learning curves between HALS and CLS for colorectal surgery. Methods: A prospective study without randomization was conducted with the participation of two colorectal surgeons who had not experienced a laparoscopic colorectal operation. The collected data included operative features, oncologic outcomes, and early clinical outcomes. Fifty patients were enrolled in each group, the HALS group and the CLS group. Results: None of the operations converted to open surgery. The operative time was significantly shorter in the HALS group than in the CLS group (149.6±34.6 minutes versus 179.1±36.5 minutes, P<0.001). On a subgroup analysis of the operative time in the anterior resection, the operative time was consistent after the 13th operation in HALS group. However, in CLS group, there was a continuous fluctuation of the operative time until 25 cases. In regard to the oncologic outcome, the numbers of total harvested lymph nodes and the proximal and the distal margins in the anterior resection showed no statistical differences (P=0.400, P=0.908, and P=0.073, respectively). The early clinical results were similar in both groups. Conclusions: In the learning curve study, the HALS group had a shorter operative time and reached a learning curve plateau earlier than the CLS group. Other parameters, such as the oncologic results and the early postoperative clinical outcomes, showed no differences between the two groups.
소셜미디어 플랫폼 유형에 따른 네이티브 광고의 커뮤니케이션 분석
윤해리,정정호 사단법인 한국브랜드디자인학회 2018 브랜드디자인학연구 Vol.16 No.1
Each individual type of social media platforms demands differentiated native advertisement strategies according to the users’ purpose of using the service. As a matter of fact, although advertisement contents are not differentiated in social media, there is not enough discussion over it. The purpose of this study is to explore effective ways of designing communication for native advertisement that can draw positive responses from the users by the types of social media platforms. This researcher structuralized the types of social media platforms and divided them largely into four types, ①the expression type, ② relationship type, ③ communication type, and ④ contents sharing type, according to the characteristics of service and users’ human network. Also, this study analyzed the cases of native advertisement showing high utility rate and drew implications. According to the analysis results, first, the type that combines visual contents attracting users’ attention in the expression-type platform with participatory elements can enhance consumers’ immersion. Second, if we provide useful information and employ devices to elicit behavior, it will be possible to increase viral effect in the relationship- and communication-type platforms. Lastly, to spread the contents of social media, this author suggests a way of connecting or integrating contents combining brand elements with multiple platforms. The findings of this study can be used foundationally to design communication in native advertisement which is effective in the diversified environment of social media afterwards. Through this, it will be possible to vitalize the advertising markets of social media both in Korea and overseas desirably. 소셜미디어 플랫폼 유형별로 사용자의 서비스 이용목적에 따라 차별화된 광고 전략이 요구되지만, 무분별한 광고 콘텐츠에 대한 문제제기에 대한 논의가 미흡하다. 본 연구는 소셜미디어 플랫폼의 유형별로 네이티브 광고의 효과적인 커뮤니케이션 방안에 대해 제언하고자 한다. 소셜미디어 플랫폼의 유형을 구조화하여, 크게 사용자 인맥관계와 서비스 특성에 따라 ①표현형, ②관계형, ③커뮤니케이션형, ④콘텐츠 공유형의 4가지 유형으로 분류하였다, 또한 이용률이 높고 현재 서비스 중인 플랫폼의 네이티브 광고 사례를 분석하여 시사점을 도출하였다. 분석결과로써, 첫 번째, 표현형의 사용자 주의를 주목시키는 시각적 콘텐츠와 참여형 요소가 구성된 형태가 사용자 몰입을 높일 수 있으며, 두 번째, 유용한 정보 제공 및 행동유도 장치를 통해 관계형과 커뮤니케이션형 플랫폼에서 바이럴 효과를 높일 수 있다고 본다. 마지막으로, 소셜미디어의 콘텐츠 확산을 위해 브랜드 요소를 결합한 콘텐츠를 복수의 플랫폼과 연계 또는 통합하는 방식을 제언하고자 한다. 본 연구는 향후 다변화된 소셜미디어 환경에서 효과적인 네이티브 광고의 커뮤니케이션 디자인을 위한 기초자료로써 활용되고자 하며, 사용자의 긍정적인 반응을 견인할 수 있는 소셜미디어 광고 시장의 발전 및 활성화를 기대해본다.