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Yeong Joon Kim(Yeong Joon Kim),Chang Hoi Kim(Chang Hoi Kim),Jooyeon Kim(Jooyeon Kim),Gilsoon Choi(Gilsoon Choi),Yeong Wook Jeong(Yeong Wook Jeong),Jaehwan Kwon(Jaehwan Kwon) 대한미용의학회 2022 대한미용의학회지 Vol.6 No.2
Background: Data on structural modifications caused by septal deviation may help otolaryngologists make informed decisions on the inclusion of turbinate surgery with septoplasty as well as identify the part of the inferior turbinate that requires more attention during surgery. Objective: This study aimed to compare the dimensions of the ipsilateral and contralateral sides of the inferior turbinate and the septal deviation in a Korean population. Methods: We retrospectively analyzed the facial computed tomography (CT) scans of 111 patients who underwent septoplasty between January 2012 and December 2017 for the anterior, posterior, and maximally deviated sites of the inferior turbinate. Results: Statistical analyses revealed differences in the medial mucosa and the total thickness of the anterior and maximally deviated sites between the ipsilateral and contralateral sides. The medial mucosal portion of the anterior site was 4.64±2.12 mm on the contralateral side and 4.14±1.75 mm on the ipsilateral side (p=0.03). The total thickness of the anterior site was 9.72±4.25 mm on the contralateral side and 8.58±3.36 mm on the ipsilateral side (p=0.02). The medial mucosal portion of the maximally deviated site was 5.09±2.52 mm on the contralateral side and 4.39±2.05 mm on the ipsilateral side (p=0.04). The total thickness of the maximally deviated site was 9.58±4.06 mm on the contralateral side and 8.81±3.50 mm on the ipsilateral side (p=0.04). No significant differences were found in the measurements between the two sides of the posterior site or in the bone thickness at any of the sites. The inferior turbinate did not show any significant relationship with the deviation angle. Conclusion: A conservative submucosal turbinoplasty without bone removal may be favorable. Level of Evidence: Level IV
Hydrophobic coating effect on the mechanical and
Heung-Soo Kim, Jung-Hwan Kim, Jaehwan Kim and Joo-Hyung Kim 조선대학교 IT연구소 2011 정보기술융합공학논문지 Vol.1 No.1
Hyrdophobic treatment effect on the actuation performance of cellulose electroactive paper (EAPap) was investigated. The hydrophobic 300 nm thick tetraethoxylsilane (TEOS) layer was deposited by plasma method. It was found that the growth mechanism of hydrophobic TEOS is an island-like behavior on cellulose EAPap, which is similar to lotus shape, resulting in the blocking water adsorption into cellulose layer and keeping the water drop on cellulose for a couple of hours. For actuating performance of TEOS treated EAPap, the actuation of cellulose seems to be independent to the change of humidity condition. Young's modulus of the hydrophobic treated EAPap was negligibly changed in different humidity conditions, while that of pure EAPap was
Kim Jaehwan,Kim Chai Yoon,Kim Jeong Gyun,Kim Hakyung,Sheen Seung Hun,Han In-bo,Sohn Seil 대한말초신경학회 2023 The Nerve Vol.9 No.1
Objective: This nationally matched longitudinal study aimed to investigate the relationship between acute myocardial infarction (AMI) and ossification of the posterior longitudinal ligament (OPLL) in Korea.Methods: We collected patient data from January 1, 2004 to December 31, 2015 from the National Health Insurance Service Health Screening Cohort. Patients with OPLL were defined as patients with the International Classification of Diseases, Tenth Revision code M48.8 (other specified spondylopathies) and were newly diagnosed through computed tomography imaging. The OPLL group had a total of 1,289 patients. The control group included 6,445 people. Utilizing the Kaplan-Meier technique, The incidence of AMI in both groups was estimated. A Cox proportional-hazards regression analysis was used to compute the AMI hazard ratio.Results: After controlling for age and sex, the hazard ratio of AMI in the OPLL group was 2.065 (95% confidence interval [CI], 1.228-3.474). The adjusted hazard ratio in the OPLL group was 2.209 after restricting the sample for demographics and concomitant medical conditions (95% CI, 1.311-3.721). In a subgroup analysis, the incidence of AMI was substantially greater in the OPLL group, which included women younger than 65 years and without hypertension, diabetes, or dyslipidemia.Conclusion: This nationwide longitudinal study found that patients with OPLL were at higher risk of AMI.
기능성 위장장애 환자의 소화불량 제증상 치료에 있어서 콤비짐^(�)정의 임상효과
김동의,주재환,추상우,김형륵,조철균,김영진,김현종,김신곤 中央醫學社 1996 中央醫學 Vol.61 No.12
Functional dyspepsia has been considered, until recently, to be a nebulous syndrome, in part because of the lack of a structural explanation for the symptoms and because of the apparent heterogeneity of the patients labeled with this diagnosis. Although many definitions have been offered, there is now reasonable consensus that dyspepsia refers to persistent or recurrent pain or discomfort that is centered on the upper abdomen ; the discomfort may be characterized by postprandial fullness, early satiety, nausea or upper abdominal bloating. The diagnosis of dyspepsia must not be restricted to those with meal-related symptoms because there is no clinical condition, including chronic peptic ulceration, in which the symptoms are exclusively confined to the postprandial period. The majority of the patients with chronic or recurrent dyspepsia do not have a peptic ulcer or any other recognized structural or biochemical abnormality that definitely explains the symptoms ; these patients are classified as having functional dyspepsia. Ideally, therapy for functional dyspepsia should be targeted at correcting an individual's underlying pathophysiologic disturbances. However, the mechanisms that produce symptoms in patients with functional dyspepsia remain poorly understood. A polyvalent digestive product Combizym� has a powerful combination of enzymes with broad activity and broad pH spectrum. It acts from the stomach to the small intestine and has a complete digestive effect on protein, carbohyrate and fat. We treated Combizym� in patients with functional dyspepsia with open, noncomparative study. The results are as follows ; 1. The improvement of the symptoms were 96.4 % in nausea and vomiting, 92.6 % in bloating, other symptoms were also improved over 75 %. 2. There was only mild pruritus in a patient and others were well tolerated during the experiment. 3. Overall improvement rate was 86.7 % of 30 patients. In conclusion, Combizym� is a safe and effective digestive drug in patients with functional dyspepsia.
수요의 상호의존성을 고려한 의료 서비스 시장의 속성선호도 분석
김영주(Kim, Young Ju),김진환(Kim, Jin-Hwan),김명기(Kim, Myeng-Ki),김재환(Kim, Jaehwan) 한국소비문화학회 2012 소비문화연구 Vol.15 No.2
본 연구에서는 의료 서비스 시장에 잠재한 수요의 개인간 상호 의존성을 컨조인트 분석을 통해 규명하고자 한다. 의료 서비스 시장의 성장과 더불어 의료 서비스에 대한 소비자들의 욕구는 점점 복잡해 지고 있으며, 의료 서비스 제공자들 역시 소비자의 만족을 끌어내기 위한 주요 속성을 파악하기 위해 노력하고 있다. 본 연구는 의료 서비스 시장을 이해하는 데 보다 진일보된 소비자 측면의 접근이 필요하다는 데서 비롯되었다. 특히, 개별고객들의 의료서비스에 대한 수요는 소비자들 별로 독립된 것이 아니라 시장 내의 다른 소비자들과 잠재적으로 연결되어 있을 수 있다는 가능성을 열어두고, 의료 서비스 시장 수요의 상호의존성을 고려하여 고객의 선호도 분석을 시도했다. 가능한 적용분야로 치과진료 시장을 골랐으며, 소비자의 치과 선호를 임플란트, 충치시장 두 개로 나누어 각각 190명의 응답을 자료로 사용하였다. 분석 결과, 우리나라 의료 서비스 수요에서는 소비자들 간에 높은 상호 의존도가 존재하는 것으로 나타났다. 또한, 이러한 시장 내 의존성을 간과하였을 경우 소비자가 의료 서비스를 선택하게 된 중요한 요소들이 왜곡되는 것을 볼 수 있었다. 병원의 마케팅전략 수립 시 주요한 정보가 될 수 있는 의료진의 수준과 같은 인적요소, 혹은 시설과 규모와 같은 물적요소들의 상대적 중요도는, 소비자입장에서 이러한 상호의존도를 제대로 고려했을 때 바르게 이해되는 것으로 나타났다. In this study, the consumer demand for medical service attributes is analyzed at individual level based on the premise that individual preferences are interdependent. As the medical market grows, the market demand and the customers’ expectation on medical services become more complicated, which requires more careful understanding on the key service attributes that drive the final demand. The current study is aimed at proper understanding on the drivers of medical demand accounting for latent interdependence in utilities among the consumers in the market. Through a conjoint approach that allows for estimating the individual-level partworths for the model of spatial dependence form, we empirically investigated the level of dependence in Korean dental service market, and explored the potential bias researcher may have when ignoring the interdependence component in model specification. We use doctors’ experience, hospital staffs’ attitude, the size of the hospital, the facilities of the hospital, consultation fee, and the accessibility of the hospital as service attributes(i.e., explanatory variables), and the intention to visit the hospital as a dependent variable. The data is from 380 respondents, with 190 from implant service and 190 from treating cavity service, respectively. Key findings from empirical analysis are as follow: First, for the implant service, consumers consider the doctors’ experience, hospital staffs’ attitude, facilities of the hospital, consultation fees, and accessibility of the hospital in the evaluation of the dental service. Second, the treating cavity service, consumers consider doctors’ experience, hospital staff’s attitude, consultation fees, and the accessibility of the hospital as important factor. Finally, in both services, there is a substantial social dependence in utilities among the customers. It is to be noted that when ignoring the interdependence in analyzing the demand for medical service, many of the sensitivity parameters are distorted and appear not to be relevant.