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      • KCI우수등재

        Real-time PCR을 이용한 환경 중 물 시료의 레지오넬라 분석법 연구

        이정희,이정희,박명기,김윤성,윤희정,이창희,정아용,윤미혜 한국환경보건학회 2019 한국환경보건학회지 Vol.45 No.5

        Objectives: The standard method for the enumeration of environmental Legionella is culturing, which has several disadvantages, including long incubation and poor sensitivity. The purpose of this study is to demonstrate the usefulness of real-time PCR and to improve the standard method. Methods: In 200 environmental water samples, a real-time PCR and culture were conducted to detect and quantify Legionella. Using with the results of the survey, we compared the real-time PCR with the culture. Results: Each real-time PCR assay had 100% specificity and excellent sensitivity (5 GU/reaction). In the culture, 36 samples were positive and 164 samples were negative. Based on the results of the culture, real-time PCR showed a high negative predictive value of 99%, 35 samples were true positive, 105 samples were true negative, 59 samples were false positive and one sample was a false negative. Quantitative analysis of the two methods indicated a weak linear correlation (r 2 =0.29, r 2 =0.61, respectively). Conclusions: Although it is difficult to directly apply quantitative analysis results of real-time PCR in the enumeration of environmental Legionella, it can be used as a complementary means of culturing to rapidly screen negative samples and to improve the accuracy of diagnosis.

      • SCOPUSKCI등재

        선천성 낭종성 기형의 외과적치료;1례 보고

        이정희,임진수,최형호,Lee, Jeong-Hui,Im, Jin-Su,Choe, Hyeong-Ho 대한흉부심장혈관외과학회 1993 Journal of Chest Surgery (J Chest Surg) Vol.26 No.4

        Congenital cystic adenomatoid malformation [CCAM] of the lung is extremely rare. The patient was 10 year old female and had no specipic signs and symptoms except right lower chest pain for 5 days ago before admission.On simple chest X-ray and thoracic CT scan, about 9x8x8cm sized, heterogenous marginal enhanced multiseparated hypodence lesion with air fluid level and gas bubbles in posterior pleural space in right lower chest .The culture result of needle aspiration of cavity was apergillus flavus. Right lower lobectomy was carried out and the result of biopsy was congenital cystic adenomatoid malformation.

      • SCOPUSKCI등재

        중근근무력증의 임상적 고찰

        이정희 대한흉부심장혈관외과학회 1993 Journal of Chest Surgery (J Chest Surg) Vol.26 No.3

        Myasthenia gravis is disorder of neuromuscular transmission that is characterized by weakness and fatigue of voluntary muscle. A clinical study of 18 cases of myasthenia gravis was performed at Chosun university college of medicine, from 1988 to 1992. Maximal thymectomy was performed in 7 cases and only medical treatment had been done in 11 cases.

      • KCI등재

        Video-Assisted Thoracoscopic Division of Vascular Rings

        이정희,양지혁,전태국 대한흉부외과학회 2015 Journal of Chest Surgery (J Chest Surg) Vol.48 No.1

        This study reports our early experience with thoracoscopic division of vascular rings. Three patients were reviewed;their ages at surgery were 25 months, 4 years, and 57 years. All patients were suffering from complete vascularrings involving combinations of the right aortic arch, left ligamentum arteriosum, Kommerell’s diverticulum, and retroesophagealleft subclavian artery. The median surgical time was 180.5 minutes, and the patients showed immediaterecovery. Three complications, namely chylothorax, transient supraventricular tachycardia, and left vocal cord palsy,were observed. Our early experience indicates that thoracoscopic division of a vascular ring may provide early recoveryand could be a promising operative choice.

      • SCOPUSKCI등재

        기관내삽관마취후에 발생한 일측성성대마비 일례보고

        이정희,김영희,정태호 대한마취과학회 1982 Korean Journal of Anesthesiology Vol.15 No.2

        We have had a case of unilateral vocal cord paralysis following endotracheal anesthesia for abdominal surgery. Electromyographic examination of the intrinsic laryngeal muscle to study the nerve injury was not done but we have considered that the recurrent laryngeal nerve was injured following endotracheal anesthesia according to the post-operative laryngeal view and recovery progress. Some factors of nerve injury such as overrotation of the neck during the operation, pressure on the nerve by an overexapanded cuff, vulnerability and the anatomy of the nerve were all deemed to do possible causes, and we considered the interaction of this combination responsible for the nerve injury. The recovery were relatively good and healed within 80days after operation.

      • KCI등재

        Clinical Results of Different Myocardial Protection Techniques in Aortic Stenosis

        이정희,박표원,정동섭,성기익,김욱성,이영탁 대한흉부외과학회 2015 Journal of Chest Surgery (J Chest Surg) Vol.48 No.3

        Background: Hypertrophied myocardium is especially vulnerable to ischemic injury. This study aimed to compare the early and late clinical outcomes of three different methods of myocardial protection in patients with aortic stenosis. Methods: This retrospective study included 225 consecutive patients (mean age, 65±10 years; 123 males) with severe aortic stenosis who underwent aortic valve replacement. Patients were excluded if they had coronary artery disease, an ejection fraction <50%, more than mild aortic regurgitation, or endocarditis. The patients were divided into three groups: group A, which was treated with antegrade and retrograde cold blood cardioplegia; group B, which was treated with antegrade crystalloid cardioplegia using histidine-tryptophan-ketoglutarate (HTK) solution; and group C, treated with retrograde cold blood cardioplegia. Results: Group A contained 70 patients (31.1%), group B contained 74 patients (32.9%), and group C contained 81 patients (36%). The three groups showed significant differences with regard to the proportion of patients with a New York Heart Association functional classification ≥III (p=0.035), N-terminal pro-brain natriuretic peptide levels (p=0.042), ejection fraction (p=0.035), left ventricular dimensions (p<0.001), left ventricular mass index (p<0.001), and right ventricular systolic pressure (p <0.001). Differences in cardiopulmonary bypass time (p=0.532) and aortic cross-clamp time (p=0.48) among the three groups were not statistically significant. During postoperative recovery, no significant differences were found regarding the use of inotropes (p=0.328), mechanical support (n=0), arrhythmias (atrial fibrillation, p=0.347; non-sustained ventricular tachycardia, p=0.1), and ventilator support time (p=0.162). No operative mortality occurred. Similarly, no significant differences were found in long-term outcomes. Conclusion: Although the three groups showed some significant differences with regard to patient characteristics, both antegrade crystalloid cardioplegia with HTK solution and retrograde cold blood cardioplegia led to early and late clinical results similar to those achieved with combined antegrade and retrograde cold blood cardioplegia.

      • KCI등재

        한국어・외국어 병렬 말뭉치 구축의 쟁점 –원문 정제를 중심으로–

        이정희 국제한국어교육학회 2023 한국어 교육 Vol.34 No.4

        This study introduces the project of the Korean-Foreign language parallel corpus conducted by the National Institute of the Korean Language and examines the contents related to original text refinement as a process for advanced quality in corpus construction. The process of original text refinement is supremely important in the process of constructing a parallel corpus on the premise of foreign language translation. Since the translator who must perform the translation is not a Korean but a native speaker of the target language, errors or mistakes in the original text are too difficult to guess and understand the context. Therefore, establishing the principles for original text refinement and having consistency can be a great help in enhancing the translation quality of the corpus. The target languages for parallel corpus construction are eight languages (Vietnamese, Indonesian, Thai, Hindi, Khmer, Tagalog, Russian, and Uzbek). In this research, three stages of refinement such as mechanical refinement, refinement at a non- expert group level and expert group level refinement were conducted to advance quality in translation. And the original texts were modified in terms of accuracy and normativity, in terms of publicness and ethics and in terms of clarity of information and ease of translation while the minimum scope of modification was made to avoid the damage of the meaning. In spoken Korean, however, it needs to be considered regarding whether it would be a more desirable direction to literally translate the language phenomena used by the actual public. Especially, they conform to norms but there is a need for more extensive discussion on how to handle the loanwords which are unused by the actual public.

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