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고혈압 환자에서 발행할 수 있는 수술중 및 수술후의 심혈관계 변화에 대한 고찰
이성봉(Sung Bong Lee),손영돈(Young Don Son),조병렬(Byung Ryul Cho),최석구(Suck Koo Choi),유원상(Won Sang Yoo),이동철(Dong Chul Lee) 대한내과학회 1991 대한내과학회지 Vol.41 No.5
Hypetension is the most common cause of heart failure and left ventricular hypertrophy. Recently, with advances in operating techniques, equipment and anaesthesiology, elderly patients have had more chances to undergo operation. Therefore, chances for patients with hypertension that comprise 15%-20% of the adult population in Korea to undergo operation has become more frequent. To evaluate the frequency and pragnosis of the cardiovascular changes in patients with hypertension during operation and the perioperative period, the blood pressures of 100 patients who underwent operation at Seoul Paik Hospital from September 1988 to October 1990 were measured proeoperatively, during operation, and postoperatively and analyzed in relevance to cardiovascular complications. The cardiovascular complications were divided into 4 categories: 1) Increase in systolic blood pressure 2) Decrease in systolic blood pressure 3) Marked changes in systolic blood pressure 4) Others (arrythmias, heart failure, chest pain) The results were as follows: 1) Episodes of an increase in the systolic blood pressure more than 50 mmHg compared to the systolic blood pressure at the time of consultation were found in 7 cases (7%) 2) Episodes of a decrease in systolic blood pressure below 100 mmHg were detected in 8 cases (8%) and in most cases, the blood pressure was corrected to normal level simply by the rapid infusion of fluid, except for 1 case that required the use of ephedrine or clacium gluconates. 3) Episodes of changes in systolic blood pressure more than 50 mmHg were found in 42 cases (42%). 4) There were 5 episodes of ventricular premature beat or atrial premature beat, but they were corrected to normal sinus rhythm by intravenous lidocain injection, and there were no more problems postoperatively. 5) There were no coronary events or heart failures clinically. 6) It seemed that there was no correlation between the level of preoperative blood pressure and frequency of cardiovascular complications, In conclusion, most of the patients with hypertension corrected preoperatively or not underwent operation successfully without any cardiovascular complications if the anaesthesiologist monitored the blood pressure and took appropriate therapeutic measures predperatively.
후천성면역결핍증후군 환자에게 급성 호산구성 폐렴 양상을 보인 폐포자충 폐렴
이보라 ( Bo Ra Lee ),김현국 ( Hyun Kook Kim ),박이내 ( I Nae Park ),최상봉 ( Sang Bong Choi ),정훈 ( Hoon Jung ),이현경 ( Hyun Kyung Lee ),이성순 ( Sung Soon Lee ),이영민 ( Young Min Lee ),이혁표 ( Hyuk Pyo Lee ),최수전 ( Soo Jeo 대한결핵 및 호흡기학회 2010 Tuberculosis and Respiratory Diseases Vol.68 No.2
A 73-year-old man was admitted with a sudden onset of dyspnea. He had never smoked. The chest radiograph and computed tomography revealed bilateral ground glass opacity and an enlarging perihilar consolidation with lymphadenopathies. There was a higher percentage of eosinophils (72%) in the bronchoalveolar lavage fluid (BALF) than normal. The patient was diagnosed with acute eosinophilic pneumonia and managed with steroid. Pneumocystis pneumonia (PCP) was diagnosed by an examination of the BALF, and the patient was treated with trimethoprim-sulphamethoxazole. The patient tested positive to the HIV antibody and the peripheral blood CD-4 positive lymphocyte count was only 33/μL. The percentage of eosinophils in the BALF can increase in some cases of PCP that is complicated with AIDS. Only a few cases of eosinophilic pneumonia associated with PCP pneumonia have been reported in patients with AIDS but there are no case reports in Korea. This case highlights the need to consider PCP when the percentage of eosinophils in the BALF is elevated.
'좋은 수업'의 관점과 특징에 대한 중등학교 초임과 경력 체육교사 간 중요도 인식 차이
이성흠(Sung Heum Lee),최상봉(Sang Bong Choi),정주혁(Joo Hyug Jung) 한국체육교육학회 2011 한국체육교육학회지 Vol.16 No.2
이 연구는 ``좋은 수업``에 대한 중요도에 관한 중등학교 초임과 경력 체육교사의 인식 차이를 분석하는 것이 목적이다. 연구대상은 서울과 인천지역 소재 중 고교에 근무하는 체육교사 117(초임 58명, 경력 59명)명이며, 설문지는 ``좋은 수업``에 대한 ``관점``과 ``특징``을 중심으로 30문항으로 구성되었다. ``좋은 수업``에 대한 중등학교 초임과 경력 체육교사 간 중요도 인식은 ``교과내용`` 특징 중 ``학생의 흥미를 고려하는 교육내용(t=2.49, p<.05)``과 ``기본적이고 구체적인 개념 중심 교육내용(t=2.49, p<.05)`` 문항에서 통계적으로 유의미한 차이가 나타났다. 중등학교 체육교사들은 ``좋은 체육수업``의 관점을 관계-전달-결과-구성``의 순으로 중요하게 인식하고 있었다. 또한 흥미유발, 선수학습, 일상생활과 관련된 내용으로 구성한 수업, ``활동위주의 수업을 통하여 학생 간 활발한 상호작용을 유도하면서 학생의 학습동기를 자극하는 학습자주도의 수업, 학습자료가 다양하게 갖추어진 환경에서 교사와 학생 간 활발한 상호작용이 이루어지는 따뜻하고 온정적인 수업, 운동기능을 중심으로 평가하지만 정서적, 심미적 측면의 평가도 동시에 실시하는 수행평가가 반영되는 수업을 ``좋은 체육수업``의 특징으로 인식하고 있었다. The purpose of the present study was to analyze the conceptions on ``good teaching`` of physical education teachers in secondary schools. One hundred and seventeen (58 Novice, 59 Expert) physical education teachers were selected from secondary schools in Seoul and Incheon metropolitan cities. The survey instrument was ``the Questionnaire(30 items) for Conception on Good Teaching of Physical Education Teachers` (thereafter the Questionnaire) with thirty questions. Major findings of the study were summarized as follows: There was no signigicant difference between the novice and expert teachers` groups in the t-test score of ``the Questionnaire``. However, for the score of ``subject matter`` domain in ``the Questionnaire``, there was a significant difference between the novice and expert teachers group in the t-test. Specifically, it was founded that important perspective of good teaching for physical education was establishing good relationship between teacher and students. Physical education teachers were not thinking highly of composing aspects of physical instruction.
조건화된 동기조작의 전이와 에코익이 언어발달지체 유아의 맨드에 미치는 효과
이정해(Lee, Jeong hae),이성봉(Lee, Sung bong) 한국자폐학회 2018 자폐성 장애연구 Vol.18 No.2
이 연구는 조건화된 동기조작의 전이가 언어발달지체 유아의 ‘구체적인 반응 형태의 맨드’에 미치는 효과를 살펴보았다. 연구 참여자는 고등 수준의 언어작동이 지연되고, 언어발달이 1년 이상 지연된 유아 1명을 대상으로 하였다. 연구 설계는 행동간 중다간헐기 초선설계를 사용하였으며, 맨드의 효과적인 중재를 위하여 에코익의 기능전이 절차를 연합된 중재로 적용하였다. 조건화된 동기조작의 전이 절차는 유아의 자극 선호도를 평가하여 3가지 과제를 선정하였고, 과제 완성을 위하여 필수적이거나 요구도가 높게 나타나는 단계의 항목을 누락시켜 맨드와 교환할 수 있도록 구성하였다. 연구 결과, 중재 기간중 조건화된 동기조작의 전이 과제 모두에서 맨드가 증가하고 유지되는 것으로 나타났다. 이러한 연구 결과는 맨드가 ‘구체적인 반응 형태의 맨드’로써 기능할 때 인트라버벌의 독립변인으로 사용될 수 있음을 시사하고 있다. This study investigated the effects of Transitive Conditioned Motivating Operation(CMO-T) on ‘specific response forms of mands’ in a toddler with language delays. A 3-year-old, male with language delays beyond a year in his development stages served as the participant of this study. The multiple probe design across behaviors was used in the experiment. Additionally, transfer-of-function procedures were utilized as combined intervention for effectiveness of the intervention. Preference assessment was performed to manipulate settings for CMO-T and 3 tasks were selected for the intervention. The sequence of the tasks were interrupted and the items which were essential for termination of the tasks and highly preferred were omitted by the instructor intentionally. The missing items or informations were provided when the participant emitted appropriate mands. Results indicated that acquisition of mands had increased during the intervention across all three CMO-T tasks and maintained after the intervention. They also suggested that mand could be utilized as a independent variable for intraverbal when it functioned as ‘specific response forms of mands’.
김선욱,이성봉 ( Sun Wook Kim,Sung Bong Lee ) 한국화학공학회 1994 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.32 No.1
Through the observation of phase behaviors in polystyrene-toluene-CO₂ systems by varying CO₂ concentrations the LCST and UCST have been determined experimentally. Fractionation of those solutions has been performed utilizing liquid-liquid phase split phenomena. The experiment shows that only LCST has been detected when the concentration of CO₂ is 15.0 wt% for the temperature range from 7.6℃ to 100℃. We also observed UCST as well as LCST at 16.2 wt% of CO₂ and the dramatic merge of two critical solution temperature curves by increasing CO₂ concentration to 16.6 wt%. When the concentration of CO₂ is 16.6 wt%, the fractionated polymer samples have been obtained at different experimental conditions, and those samples have been analyzed in terms of molecular weights and glass transition temperatures.
김정은,황선일,이성봉,신상운,권혜정,이지연,이병훈,모아라,최옥경,Kim, Jeong-Eun,Hwang, Seon-Il,Lee, Seong-Bong,Shin, Sang-Woon,Kwon, Hye-Jung,Lee, Ji-Yeon,Lee, Byoung-Hoon,Mo, A-Ra,Choi, Ok-Kyung 한국식품위생안전성학회 2022 한국식품위생안전성학회지 Vol.37 No.3
In this study, heavy metals (lead, cadmium, and mercury) and shellfish poisoning toxins (diarrhetic shellfish poisoning toxins, amnesic shellfish poisoning toxins) were investigated in a total of 104 shellfishes. According to the analysis of heavy metals, lead (Pb) was detected in the range of 0.0177-0.5709 mg/kg, cadmium (Cd) was detected in the range of 0.0226-1.4602 mg/kg, and mercury (Hg) was detected in the range of 0.0015-0.0327 mg/kg. Levels of Pb, Cd, and Hg were acceptable by Korean standards. Okadaic acid (OA) and dinophysistoxin-1 (DTX-1) were investigated for monitoring of diarrhetic shellfish poisoning toxins and OA and DTX-1 were not detected. As a result of monitoring of amnesic shellfish poisoning toxins, domoic acid was detected in 5 of 104 samples and detection ratio was 4.8%. The detection period was found as follows; 1 case in January, 1 case in February, 1 case in May, 2 cases in September. These showed that continuous monitoring for the management of shellfish poisoning toxins and heavy metals is required. In addition, this study can be used as reference data to strengthen managing heavy metals in fishery products.