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Yang, Moon Sool,Yoon, Do Heum,Kim, Keung Nyun,Kim, Hoon,Yang, Joong Won,Yi, Seong,Lee, John Y. K.,Jung, Woo Ju,Rha, Koon Ho,Ha, Yoon Lippincott Williams Wilkins, Inc. 2011 1528-1159) Vol.36 No.2
STUDY DESIGN.: The use of the da Vinci Surgical System to perform an anterior lumbar interbody fusion in a swine model to identify the technical properties, processes, merits, demerits, and limitations of a video-assisted robotic surgical system. OBJECTIVE.: This study was designed to demonstrate the feasibility of using a robotic surgical system to perform spinal surgery. SUMMARY OF BACKGROUND DATA.: Video-assisted laparoscopic anterior fusion was first reported in 1995 and afterward was spotlighted for several years. However, this technique has not become popular because of technical difficulties and complications associated with video-assisted procedures on the spine. As such, there is a demand for investigations to improve this technology. The da Vinci Surgical System provides 3-dimensional visualization as well as uniquely dexterous instruments that are remarkably similar to human hands. Video-assisted surgery with the da Vinci Surgical System robot has already provided great value to the fields of urology, cardiology, gynecology, and general surgery over the last decade. Preclinical studies for application of this system in spinal surgery have recently been conducted. METHODS.: A pig underwent anterior lumbar interbody fusion using da Vinci Surgical System assistance, with Tyche expandable cages used for preparation of endplates and cage placement. The setup time, operation time, amount of bleeding, and the number of complications associated with robotic manipulation were recorded. Before euthanasia, the animal underwent radiologic examination to confirm proper placement of cages. RESULTS.: The total duration of the procedure took 6 hours, with some complications related to frozen armsand robotic arm collision. Even so, there was neither any significant nerve or vessel injury nor peritoneal organ damage. Furthermore, radiologic assessment confirmed proper position of the cage in the center of the disc space. CONCLUSION.: Use of the da Vinci Surgical System to perform an anterior spinal procedure was shown to be safe and effective in a swine animal model. The utilization of this advanced technology shows promise to reduce the incidence of complications compared with other approaches. It requires further testing in animal models and cadavers, along with serial comparisons to current procedures.
자동차구매 후 서비스품질 만족도가 자동차의 구전의도에 미치는 영향에 관한 연구
문창선,양해술,Moon, Chang-Sun,Yang, Hae-Sool 한국디지털정책학회 2014 디지털융복합연구 Vol.12 No.12
소비자들의 서비스품질 평가는 자신이 제공받은 서비스가 만족스럽지 않으면 서비스제품의 질이 좋다고 인식하지 않는다. 본 연구에서는 자동차정비 서비스산업에서 발생되는 서비스품질이 고객만족과 재 구매의도 그리고 구전의도에 어떠한 영향을 미치는지, 서비스의 매개변수가 어떠한 매개역할을 하는지 실증자료를 통하여 연구 하였다. 설문을 이용하여 자료를 수집하고 SPSS로 분석한 결과 서비스품질은 고객의 행동의도에 중요한 요소임을 확인하였으며 서비스의 매개변수 또한 서비스품질과 고객의 행동의도에 밀접한 매개역할을 하고 있는 것으로 실증되었다. In terms of service quality evaluation, consumers think that the product they have bought is of good quality only when they are provided with satisfactory service. The purpose of this study was to examine the influence of service quality on customer satisfaction, repurchase intention and word-of-mouth intention in the automobile service industry and the possible mediating effects of Parameters by obtaining empirical data. A survey was conducted to gather data, and the collected data were analyzed by a statistical package SPSS. As a result, it's ascertained that the quality of service was one of integral factors for customer behavioral intention, and Parameters turned out to have strong mediating effects on the quality of service and customer behavioral intention as well.
양해술(Hae-Sool Yang),노희영(Hi-Young Roh),문유진(Yoo-Jin Moon) 한국정보과학회 1988 한국정보과학회 학술발표논문집 Vol.15 No.2
프로그램의 복잡도와 구조도를 측정할 수 있는 많은 척도가 제안되고 있다. 그 중에서도 제어흐름과 데이타의 흐름에 기반을 둔 척도가 주종을 이루고 있음을 알 수 있다. 본 연구에서도 제어의 흐름에 의한 방법으로 비구조화 프로그램상에서 얼마 만큼 비구조화 요인이 복잡하게 구성되어 있느냐에 따라 보다 정확히 비구조화 정보를 측정할 수 있는 다차원 척도를 제안하였다. 또한, 제안척도의 타당성을 평가하기 위해 종래의 대표적인 척도와 비교하였다.
윤영문 ( Young-moon Yoon ),이하용 ( Ha-yong Lee ),양해술 ( Hae-sool Yang ) 한국정보처리학회 2007 한국정보처리학회 학술대회논문집 Vol.14 No.2
본 연구에서는 IT 아웃소싱의 기초 개념과 기업에서 IT 아웃소싱을 가능하게 하는 이론적인 배경, 비용 및 효과 분석에 대해서 문헌중심으로 살펴보면서 변화하는 글로벌 시대에 IT 아웃소싱을 하기 위해서 고려해야 할 내용을 전략적인 관점에서 제시하고자 한다.
Pediatric cervical chordoma: report of two cases and a review of the current literature
Choi, Gwi Hyun,Yang, Moon-Sool,Yoon, Do Heum,Shin, Hyun Chyul,Kim, Keung Nyun,Yi, Seong,Lee, Dong Yeop,Ahn, Poong Gi,Ha, Yoon Springer-Verlag 2010 Child's nervous system Vol.26 No.6
<P>The majority of chordomas occur between the fifth and seventh decades of life and are thus extremely rare in children, which account for less than 5% of all spinal chordoma cases.</P>
Robotic Resection of Huge Presacral Tumors: Case Series and Comparison With an Open Resection
Oh, Jae Keun,Yang, Moon Sool,Yoon, Do Heum,Rha, Koon Ho,Kim, Keung Nyun,Yi, Seong,Ha, Yoon by Lippincott Williams Wilkins, Inc. 2014 Journal of spinal disorders & techniques Vol.27 No.4
STUDY DESIGN:: Clinical case series and analysis. OBJECTIVE:: The purpose of the present study is to evaluate the advantages and disadvantages of robotic presacral tumor resection compared with conventional open approach. SUMMARY OF BACKGROUND DATA:: Conventional open approach for huge presacral tumors in the retroperitoneal space often demands excessive hospitalization and poor cosmesis. Furthermore, narrow surgical field sometimes interrupt delicate procedures. METHODS:: Nine patients with huge (diameter >10 cm) presacral tumors underwent surgery. Five patients among them had robotic procedure and the others had open transperitoneal tumor resection. Operation time, blood loss, hospitalization, and complications were analyzed. RESULTS:: Robotic presacral tumor resection showed shorter operation time, less bleeding, and shorter hospitalization. Moreover, there was no complication related to abdominal adhesion. CONCLUSIONS:: Although robotic resection for presacral tumor still has limitations technically and economically, robotic resection for huge presacral tumors demonstrated advantages over open resection specifically for benign neurogenic tumors.
침습성 프로락틴 분비 뇌하수체 선종에서 Bromocriptine의 치료효과
양문술,김선호,임승길,이승구,Yang, Moon-Sool,Kim, Sun-Ho,Lim, Seung-Gil,Lee, Seung-Koo 대한신경외과학회 2005 Journal of Korean neurosurgical society Vol.37 No.4
Objective: The prolactinoma is the most common pituitary tumor and sometimes shows severe invasiveness to the adjacent cavernous sinus, especially in the male patient. The dopamine agonist can be used as an alternative treatment modality to surgery. But, the transsphenoidal or transcranial approach for tumor removal has been more preferred treatment option of neurosurgeons in invasive prolactinoma. Especially rapid decompression of mass effect and resolution of the neurologic deficit is demanded. The prospective study is done in order to identify the therapeutic efficacy of bromocriptine as an initial treatment option for the invasive prolactionomas. Methods: Twenty patients with invasive prolactinoma were studied. Preoperative neurological and endocrinological evaluations were done, and size and invasiveness of the tumor was estimated on MRI. Bromocriptine was administrated by increasing dose planning reaching maximum dose at 1 month of treatment, with close neurological and endocrinological monitoring. At 3months after treatment, MRI was taken and decision was made whether to continue bromocriptine or to have surgical intervention. Results: Thirteen patients showed excellent result with only bromocriptine treatment. These patients showed not only marked reduction of tumor volume and prolactin level, but also, improving clinical symptoms and other hormonal deficits. 13patients who had visual field defect and decreased visual acuity had all improved visual symptoms. But, the remaining 4patients required surgical treatment due to insufficient reduction of tumor size inspite of normalized prolactin level within 3months. Remaining 2patients had $20{\sim}30%$ of tumor size reduction, but prolactin level was not normalized. One patient required radiation therapy. Conclusion: Bromociptine can be used as initial treatment for the invasive prolactinomas with careful monitoring of the neurological and endocrinological status. It should be carefully followed up for tumor size reduction within 3 months after initiation of treatment.
문유진(You Jin Moon),양해술(Hae Sool Yang) 한국정보과학회 1988 정보과학회논문지 Vol.15 No.6
본 논문의 주제는 동음이의어의 문맥상 의미를 판별하는 것이다. 특히, 자연 언어 처리 시스템에서, 명사 동사에 관한 동음이의어의 문맥상 의미를 자동화 하는데 “Marker Passing” 기법이 적합한지를 검토하려는 것이다. 이를 위해 실제의 문장들을 이용하여 이 기법의 적합성을 검토하였다. 그 결과 Marker Passing 기법은 간단하고 효율적이라는 결론에 도달하였다. 따라서 이 기법은 명사 동사에 관한 동음이의어의 문맥상 의미를 판별하는데 적용될 수 있다. The topic of this paper is the disambiguation of a word with multiple meanings In particular, this paper reports the suitability of a scheme called "marker passing" to automate the disambiguation of the words for nouns and verbs in a natural language processing system So far we have implemented a preliminary version of the scheme using only enough sentences to illustrate the basic processing. The marker passing scheme has been found to be simple and efficient. Therefore, passing marker seems to be of use m the disambiguation of the words for nouns and verbs.