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항갑상선제로 치료받은 Graves 병 환자에서 수술시 갑상선 정맥혈과 말초정맥혈간에 TSH 수용체항체의 활성도에는 차이가 없다
이명철,송영기,조보연,고창순,오승근,궁성수,이명혜 대한핵의학회 1988 핵의학 분자영상 Vol.22 No.2
Thyrotropin binding inhibitory immunoglobulin (TBII) and thyroid stimulating antibody (TSAb) activities were measured in the thyroidal and peripheral venous blood samples at the time of subtotal thyroidectomy from twenty one patients with Graves' disease prepared for surgery with antithyroid drugs. There was no difference in TBII and TSAb activities between thyroidal and peripheral blood samples. These findings were regarded that while intrathyroidal lymphocytes are major site of thyrotropin receptor antibody (TRAb) production, similar levels are found in thyroidal and peripheral veins and that this in vive study cannot exactly ascertain the TRAb producing site.
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Sedation for Pediatric Endoscopy
이명철 대한소아소화기영양학회 2014 Pediatric gastroenterology, hepatology & nutrition Vol.17 No.1
It is more difficult to achieve cooperation when conducting endoscopy in pediatric patients than adults. As a result, the sedation for a comfortable procedure is more important in pediatric patients. The sedation, however, often in-volves risks and side effects, and their prediction and prevention should be sought in advance. Physicians should familiarize themselves to the relevant guidelines in order to make appropriate decisions and actions regarding the preparation of the sedation, patient monitoring during endoscopy, patient recovery, and hospital discharge. Furthermore, they have to understand the characteristics of the pediatric patients and different types of endoscopy. The purpose of this article is to discuss the details of sedation in pediatric endoscopy.
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A case of Hallermann-Streiff syndrome with aphakia
이명철,최임정,정진희 대한소아청소년과학회 2008 Clinical and Experimental Pediatrics (CEP) Vol.51 No.6
Hallermann-Streiff syndrome is a rare disease. Approximately 150 cases have been reported, including 6 cases in Korea. The authors experienced a case of Hallermann-Streiff syndrome in a 6-year-old female with aphakia. The syndrome is characterized by a bird-like face, dental abnormalities, hypotrichosis, atrophy of the skin, bilateral microphthalmia, and proportionate dwarfism. A brief review of the literature was conducted. (Korean J Pediatr 2008;51:646-649)
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성장클리닉을 내원한 아동과 부모들의 성장에 대한인식과 대체요법 이용에 대한 연구
이명철,김민정,최임정,최희원,유재호 대한소아내분비학회 2008 Annals of Pediatirc Endocrinology & Metabolism Vol.13 No.1
Purpose : Nowadays, more and more parents are visiting the growth clinic due to the increase in interest of growth. We have researched to find out the children's recognition of their growth and their parents' one who had visited the growth clinic and their actual conditions and the effects of complementary therapies which were used. Methods : The study included 164 patients who visited to growth clinic in Maryknoll medical center and Dong-A university medical center fromJuly to December 2007. We surveyed and measured their height, weights and bone ages. Results : With 76 boys and 88 girls, their ages were 9.9±2.6 year for boys and 9.9±2.5 for girls, bone ages were 9.3±3.4 year for boys and 10.3±3.4 year for girls, the z-score of heights were -0.860±1.326 for boys and -0.683±1.129 for girls and the predicted adult heights were 172.3±7.9 cm for boys and 153.8±6.4 cm for girls. But parents' wanted adult heights were 178.0±2.8 cm for boys and 165.6±3.7 cm for girls. The main purpose of visiting the growth clinic was uneasiness of parents (63.3%). The 67.1% of them already were using complementary therapies. As the height, weight, and body mass index were smaller, they were inclined to have used various complementary therapies. Conclusion : Although people more concerned about their heights, it appears that they not only do not have correct knowledges but also have wasted excessive money on unproven therapies. We consider that more accurate examinations and informations about height should be preceded before using various remedies.
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Diuretic renal scan 을 이용한 폐쇄성 요로병변의 진단에 관한 연구
이명철,이정상,박정식,김성권,안규리,조보연,고창순,박재형,이훈용,권인순 대한핵의학회 1983 핵의학 분자영상 Vol.17 No.2
Diuretic renal scan, a modified method of convectional radionuclide renograrphy by administration of intravenous furosemide was performed in 54 patients with suspected urinary tract obstruction. Two showed normal responses, 41 showed increased washout patterns, and the remainder 15 revealed no changes in response to the furosemide administration. IVP was done in 34 patients. In comparision to the diuretic renal scan, the following results were obtained. 1) Patients with normal results by the scan, showed normal IVP findings also. 2) 10 patients who showed delayed excretory patterns not influenced by the diuretics administration. 9 patients revealed obstructive lesions and hydronephrotic changes, and CPN was diagnosed for the remainder one and the one patient without obstruction was diagnosed as chronic pyelonephritis. 3) 22 patients showed positive results to the diuretics. Among them 10 patients had positive results in IVP. but, were not related to the speed of decrement of the renal activity after the furosemide administration.
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기업개선작업 시작시의 성공기업과 비성공기업간의 시장반응 차이
이명철,박수웅,박주철 한국금융공학회 2004 금융공학연구 Vol.3 No.1
본 연구에서는 외환위기 후 재무곤경기업의 기업구조조정 시기였던 1998년 중 기업개선작업(workout) 대상기업으로 선정되었던 44개 상장회사를 분석대상으로 삼아 이를 사후적으로 기업개선작업을 완료하여 기업재건에 성공한 기업(15개)과 그렇지 못한 기업(29개)으로 구분하여 증권시장이 기업개선작업대상 선정시에 이미 성공할 기업과 그렇지 못한 기업을 구분하는지를 시장반응 차이의 유의성 검정으로 알아보았다. 실증분석 결과 기업개선작업 대상 선정일을 전후한 분석기간 중 성공기업의 누적평균초과수익률은 유의하지 않는 (+)의 반응인데 비하여, 비성공기업의 그것은 유의하지 않는 또는 유의한 (-)의 반응을 보였으며, 성공기업의 평균초과수익률과 누적평균초과수익률은 비성공기업의 그것들에 대하여 유의한 (+)의 차이를 보였다. 그리고 기업개선작업 성공기업과 비성공기업은 재무적 특성에서 차이가 있는가를 알아보기 위하여 성공기업과 비성공기업간에 기업규모(대용변수: 총자산 자연로그값), 재무적 건전성(대용변수: 부채비율), 수익성(대용변수: 총자산영업이익률)에서 차이가 있는가를 평균의 차이에 대한 t검정으로 알아보았으나 모두 유의한 차이가 나타나지 않았으며 로짓분석에서도 유의한 변수가 없었다. 그러나 (-2, +2) 윈도우 누적초과수익률을 종속변수로 한 회귀분석에서 총자산 자연로그값의 회귀계수는 유의적인 (+)이었다. 이는 자산규모가 크면 초과수익률도 높다는 것을 의미하므로 기업규모가 투자자의 반응에 영향을 끼친 것을 나타낸다.
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