• 제목/요약/키워드: Boston

검색결과 347건 처리시간 0.023초

Open carpal release using local anesthesia without a tourniquet: Does bleeding tendency affect the outcome?

  • Lee, Seongwon;Oh, Sangho;Son, Daegu
    • Archives of Plastic Surgery
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    • 제47권6호
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    • pp.597-603
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    • 2020
  • Background The aim of this study was to analyze the clinical results of minimal single palmar-incision carpal tunnel release without a tourniquet. Methods We reviewed the medical records of 75 patients (90 cases of carpal tunnel syndrome) who underwent minimal single-palmar incision carpal tunnel release without a tourniquet from June 2010 to January 2018. Ten patients had a bleeding tendency. We compared the preoperative and postoperative Boston Carpal Tunnel Syndrome Questionnaire (BCTQ) scores. We also analyzed outcomes and complications according to the presence of a bleeding tendency. Results In all cases, there was a complete disappearance or marked improvement in symptoms within 6 months, with no recurrence. The postoperative BCTQ score showed a significant improvement compared to the preoperative score, and no statistically significant difference in BCTQ scores was detected according to the presence of a bleeding tendency. Conclusions Carpal tunnel release without a tourniquet using a minimal single palmar incision is effective and reliable. This technique prevents unnecessary pain associated with the tourniquet and is especially helpful in patients with a bleeding tendency or those treated with hemodialysis.

Synthesis, Characterization, and Electrochemical Behavior of Viologen-Functionalized Poly(Amidoamine) Dendrimers

  • Oh, Mi-Kyung;Bae, Sang-Eun;Yoon, Jung-Hyun;Roberts, Mary F.;Cha, Eun-Hee;J. Lee, Chi-Woo
    • Bulletin of the Korean Chemical Society
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    • 제25권5호
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    • pp.715-720
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    • 2004
  • Amineterminated, ethylenediamine core polyamidoamine starburst dendrimers of generation 2 (G2), generation 4 (G4) and generation 6 (G6) have been successfully surface-modified via an amide coupling reaction with 4-ethyl, 4'-(3-propionic) bipyridinium cation and the electrochemical behavior of the resulting dendrimers were investigated in aqueous potassium chloride electrolyte solutions. The 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride/N-hydroxysuccinimide-mediated reaction resulted in 25-39% end-group functionalization. The water-soluble 4-ethyl, 4'-(3-propylamide) bipyridinium dibromide dendrimers (G2-V2+, G4-V2+ and G6-V2+) were characterized by $^1H$ NMR and UV-Vis spectroscopic methods. The cyclic voltammetric and chronoamperometric experiments were performed to determine the diffusion coefficient and the number of electrons transferred in the process of the first reduction of the viologen-functionalized dendrimers. Adsorption of viologen-functionalized dendrimers at electrode surface was evidenced in the voltammograms. Experimentally determined diffusion coefficients were in good agreement with the values expected from the Stokes-Einstein relation, while the number of electrons transferred concurred with the extent of functionalization determined by $^1H$ NMR and UV-Vis spectra.

A root submergence technique for pontic site development in fixed dental prostheses in the maxillary anterior esthetic zone

  • Choi, Sunyoung;Yeo, In-Sung;Kim, Sung-Hun;Lee, Jai-Bong;Cheong, Chan Wook;Han, Jung-Suk
    • Journal of Periodontal and Implant Science
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    • 제45권4호
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    • pp.152-155
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    • 2015
  • Purpose: This case report discusses the effect of a root submergence technique on preserving the periodontal tissue at the pontic site of fixed dental prostheses in the maxillary anterior aesthetic zone. Methods: Teeth with less than ideal structural support for fixed retainer abutments were decoronated at the crestal bone level. After soft tissue closure, the final fixed dental prostheses were placed with the pontics over the submerged root area. Radiographic and clinical observations at the pontic sites were documented. Results: The submerged roots at the pontic sites preserved the surrounding periodontium without any periapical pathology. The gingival contour at the pontic site was maintained in harmony with those of the adjacent teeth, as well as the overall form of the arch. Conclusions: The results of this clinical report indicate that a root submergence technique can be successfully applied in pontic site development with fixed dental prostheses, especially in the maxillary anterior esthetic zone.

최적화된 Interval Type-2 FCM based RBFNN 구조 설계 : 모델링과 패턴분류기를 중심으로 (Structural design of Optimized Interval Type-2 FCM Based RBFNN : Focused on Modeling and Pattern Classifier)

  • 김은후;송찬석;오성권;김현기
    • 전기학회논문지
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    • 제66권4호
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    • pp.692-700
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    • 2017
  • In this paper, we propose the structural design of Interval Type-2 FCM based RBFNN. Proposed model consists of three modules such as condition, conclusion and inference parts. In the condition part, Interval Type-2 FCM clustering which is extended from FCM clustering is used. In the conclusion part, the parameter coefficients of the consequence part are estimated through LSE(Least Square Estimation) and WLSE(Weighted Least Square Estimation). In the inference part, final model outputs are acquired by fuzzy inference method from linear combination of both polynomial and activation level obtained through Interval Type-2 FCM and acquired activation level through Interval Type-2 FCM. Additionally, The several parameters for the proposed model are identified by using differential evolution. Final model outputs obtained through benchmark data are shown and also compared with other already studied models' performance. The proposed algorithm is performed by using Iris and Vehicle data for pattern classification. For the validation of regression problem modeling performance, modeling experiments are carried out by using MPG and Boston Housing data.

18세기 하이힐 디자인의 특성 및 연대추정에 관한 연구 (Characteristic Analysis and Dating Guidance of European High Heeled Shoes Design in the 18th Century)

  • 김선아
    • 한국의류산업학회지
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    • 제10권2호
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    • pp.128-137
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    • 2008
  • The purpose of this study is to investigate the characteristic analysis and to date guidance of European high heeled shoes in 18th century. The research was conducted by stylistic analysis of high heeled shoes from literature review and museums resource. 14 comparative study on shoe objects dating from 1600-1790 in the Museum at F.I.T., New York, Museum of Art, Boston and Metropolitan Museum of Art, New York were selected. The result of this study are as follows: (1) The origin and development of high heeled shoes were accomplished by protection, social status and exaggeration of body, decoration and fashion. (2) According to the comparative study of Museum objects and literature, characteristic analysis of high heeled shoes from 1700-20s, 1730-40s, 1750-60s, 1770-89 and 1890-1900 were accomplished. (3) Significant elements of European women's shoes from 18th century that aid dating are identified as the presence of white rand, shape of tongue, heel shape and height, latchat, toe shape, color and materials.

Strengthening Publication Ethics for KODISA Journals: Learning from the Cases of Plagiarism

  • Hwang, Hee-Joong;Lee, Jong-Ho;Lee, Jung-Wan;Kim, Young-Ei;Yang, Hoe-Chang;Youn, Myoung-Kil;Kim, Dong-Ho
    • 유통과학연구
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    • 제13권4호
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    • pp.5-8
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    • 2015
  • Purpose - The purpose of this paper is to review, analyze, and learn from the most recent cases of plagiarism and to identify and promote ethical practices in research and publication. Research design, data, and methodology - This is a case study, an analytical approach, which focuses on analyzing the most recent cases of plagiarism to identify ethical issues and concerns in journal publication practices. Results - Despite the availability of many software and web-based applications and programs to detect plagiarism, there is no universal or perfect plagiarism detection application available to ease the editorial responsibility. Lack of understanding the concept and ignorance of plagiarism were the main reasons for the cases of plagiarism. Conclusions - Some of the plagiarism cases reveal a lack of knowledge in proper application of in-text citations and references, including quoting, requiting, paraphrasing, and citing sources, etc. Furthermore, the need for recognizing and considering the distorted and falsified primary and secondary research data as plagiarism is essential to enhance ethical practices in journal publication.

KODISA Journals and Strategies

  • Youn, Myoung-Kil;Lee, Jong-Ho;Kim, Young-Ei;Yang, Hoe-Chang;Hwang, Hee-Joong;Kim, Dong-Ho;Lee, Jung-Wan
    • 유통과학연구
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    • 제13권3호
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    • pp.5-9
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    • 2015
  • Purpose -The purpose of this study was to review and analyze the four major journals of KODISA and all of their published articles of 2014 and to revise and update the existing publication standards and practices in order to improve the overall quality and reputation of these journals. Research design, data, and methodology - This study applied an analytical approach, a case study method, to analyze and examine the published articles and the publication standards and practices of four KODISA journals, JDS (1999), IJIDB (2010), EAJBM (2011), and JAFEB (2014), from their first publication. Results - In 2014, KODISA journals published a total of 171 papers - JDS (122), IJIDB and EAJBM (16 each), and JAFEB (17): 94 articles in general business and 77 articles in economics. Conclusions - KODISA journals continuously revised and updated their publication standards and practices and adopted technological support systems to enable its journals to remain independent and open access in order to ultimately become one of the world's reputable journals.

The Impact of Foreign Exchange Rates on International Travel: The Case of South Korea

  • Lee, Jung-Wan
    • 유통과학연구
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    • 제10권9호
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    • pp.5-11
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    • 2012
  • Purpose - The objective of the paper is to explain both the price sensitivity of international tourists to South Korea and the price sensitivity of Korean tourists to international travel. The study examines long-run equilibrium relationships and Granger causal relationships between foreign exchange rates and inbound and outbound tourism demand in South Korea. Research design/ data / methodology - The study employs monthly time series data from January 1990 to September 2010. The paper examines the long-run equilibrium relationship using the Johansen cointegration test approach after unit root tests. The short-run Granger causality was tested using the vector error correction model with the Wald test. Results - Hypothesis 1 testing whether there is a long-run equilibrium relationship between exchange rates, inbound and outbound tourism demand is supported. Hypothesis 2 testing whether exchange rates lead to a change in touristarrivals and expenditure is not supported. Hypothesis 3 testing whether exchange rates lead to a change in tourist departures and expenditure is supported. Conclusions - The findings of this study show that the impacts of tourism price competitiveness are changing quite significantly with regard to destination competitiveness. In other words, the elasticity of tourism price over tourism demand has been moderated.

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편측성 불완전 소구순열의 치료 (Repair of Unilateral Incomplete Lesser Form Cleft Lip)

  • 박혜정;정휘동;;정영수
    • Maxillofacial Plastic and Reconstructive Surgery
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    • 제35권3호
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    • pp.178-183
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    • 2013
  • Cleft lip arises from congenital underdevelopment with various degrees and patterns. Mulliken named a unilateral incomplete cleft lip with no severe cleft as a lesser-form cleft lip and categorized it into three subgroups. Anatomically categorized subgroups are minor-form, microform, and mini-microform cleft by the extent of vermilion-cutaneous dysjuntion. The vermillion cutaneous notch is more than 3 mm from the regular Cupid's bow peak for minor-form, less than 3 mm for microform, and almost no gap with discontinuity on the vermillion cutaneous border for mini-microform. The treatments are rotational advancement flap for minor-form, double unillimb Z-plasty for microform, and vertical lenticular excision for mini-microform, respectively. This article aims to present the literature review about the incomplete lesser form cleft lip classified by Mulliken and to report our experiences.

미주 한인 만성 B형 간염 환자의 질병의 의미 (The Meaning of Illness among Korean Americans with Chronic Hepatitis B)

  • 양진향;이혜옥;조명옥
    • 대한간호학회지
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    • 제40권5호
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    • pp.662-675
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    • 2010
  • Purpose: This ethnography was done to explore the meaning of illness in Korean Americans with chronic hepatitis B. Methods: The participants were 6 patients with chronic hepatitis B and 6 general informants who could provide relevant data. Data were collected from iterative fieldwork with ethnographic interviews within Korean communities in two cities in the United States. Data were analyzed using causal chain analysis developed by Wolcott. Results: The analyses revealed three meanings for the illness: hidden disease, intentionally hidden disease, and inevitably hidden disease. The contexts of meaning of illness included characteristics of the illness, social stigma, structure of health care system and communication patterns and discourse between health care providers and clients. Conclusion: The meaning of illness was based on folk illness concepts and constructed in the sociocultural context. Folk etiology, pathology and interpretation of one's symptoms were factors influencing illness behavior. These findings could be a cornerstone for culture specific care for Korean Americans with chronic hepatitis B.