31 research outputs found

    (The) patterns of invasion and lymph node metastasis of stomach cancer by histopathological types

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    ์˜ํ•™๊ณผ/์„์‚ฌ[ํ•œ๊ธ€] ์œ„์•”์€ ํ•œ๊ตญ์ธ ๋‚จ์ž์—๊ฒŒ ๊ฐ€์žฅ ํ”ํ•œ ์•…์„ฑ์ข…์–‘์ด๋ฉฐ ์„ธ๊ณ„์ ์œผ๋กœ๋„ ์ค‘์š”ํ•œ ์•…์„ฑ์ข…์–‘์ค‘์˜ ํ•˜๋‚˜๋กœ ์ธ์‹๋˜๊ณ  ์žˆ๋‹ค. ๋”ฐ๋ผ์„œ ์œ„์•”์— ๊ด€ํ•œ ๋งŽ์€ ์—ฐ๊ตฌ๊ฐ€ ์žˆ์–ด ์™”์œผ๋ฉฐ ํŠนํžˆ ์œ„์•”์˜ ์กฐ์งํ•˜์  ์–‘์ƒ์— ๋”ฐ๋ผ ํ™˜์ž์˜ ์˜ˆํ›„๋ฅผ ์ถ”์ •ํ•˜๋Š” ์—ฐ๊ตฌ๋Š” Mulligan๊ณผ Rember (1954), Lauren (1965), Ming(1977), Teglbjerg์™€ Vetner (1977)๋“ฑ์— ์˜ํ•ด ์ง„ํ–‰๋˜์—ˆ์œผ๋ฉฐ ์ด์—๋”ฐ๋ผ ์œ„์•”์˜ ๋ถ„๋ฅ˜์— ๋Œ€ํ•ด์„œ๋„ ๋งŽ์€ ๋ณ€์ฒœ์ด ์žˆ์—ˆ๋‹ค. ๋ณธ ์—ฐ๊ตฌ๋Š” ์œ„์•”์˜ ์กฐ์งํ•™์  ํ˜•ํƒœ์™€ ๊ด€๋ จํ•˜์—ฌ ์˜ˆํ›„์ถ”์ •์— ๊ทธ ์ด์šฉ์„ฑ์„ ๊ฒ€ํ† ํ•˜๊ณ ์ž 1981๋…„ 1์›”๋ถ€ํ„ฐ 1982๋…„ 12์›”๊นŒ์ง€ ๋งŒ2๋…„๊ฐ„ ์œ„์ ˆ์ œ์ˆ ์„ ์‹œํ–‰ํ•˜์—ฌ ์กฐ์งํ•™์ ์œผ๋กœ ์œ„์•”์œผ๋กœ ํ™•์ง„๋œ ์ด 284์˜ˆ๋ฅผ ๋Œ€์ƒ์œผ๋กœ Ming, Willis ๊ทธ๋ฆฌ๊ณ  Mulligan๊ณผ Rember์˜ ๋ถ„๋ฅ˜๋ฒ•์— ๋”ฐ๋ผ ์œ„์•”์„ ๋‹ค์‹œ ๋ถ„๋ฅ˜ํ•˜๊ณ  ๊ฐ๊ธฐ์— ๋”ฐ๋ฅธ ํ™˜์ž์˜ ์„ฑ๋ณ„๊ณผ ์—ฐ๋ น, ์กฐ์งํ•™์  ์–‘์ƒ, ์นจ์Šต์ •๋„, ์—ผ์ฆ๋ฐ˜์‘์˜ ์ •๋„์™€ ์ข…๋ฅ˜, ๋ฆผํŒŒ๊ด€ ์นจ์œค์˜ ์œ ๋ฌด ๋ฐ ๋ฆผํŒŒ๊ด€๋กœ ์ „์ด๋˜๋Š” ์–‘์ƒ์„ ์กฐ์‚ฌํ•˜์—ฌ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ฒฐ๋ก ์„ ์–ป์—ˆ๋‹ค. 1. ์œ„์•”ํ™˜์ž์˜ ๋‚จ๋…€๋น„๋Š” 1.4 : 1์ด์—ˆ๊ณ , ํ‰๊ท ์—ฐ๋ น์€ 51.6์„ธ์ด์—ˆ๋‹ค. ์ด ์ค‘, ์กฐ๊ธฐ์œ„์•”์˜ ํ‰๊ท ์—ฐ๋ น์€ 46.8์„ธ์˜€์œผ๋ฉฐ ์นจ์Šต์„ฑ ์œ„์•”์€ 52.2์„ธ๋กœ์„œ ์•ฝ5์„ธ์˜ ์ฐจ์ด๋ฅผ ๋ณด์˜€๋‹ค. 2. ์ด 284์˜ˆ๋ฅผ Ming์˜ ๋ถ„๋ฅ˜๋ฒ•์— ์˜ํ•ด ๊ตฌ๋ถ„ํ•˜๋ฉด, expansive type์ด 36.3%, infiltrative type์ด 63.7%๋กœ์„œ infiltrative type์ด ํ›จ์”ฌ ๋งŽ์•˜๋‹ค. 3. ์ด284์˜ˆ๋ฅผ Willis์˜ ๋ถ„๋ฅ˜๋ฒ•์— ์˜ํ•ด ๊ตฌ๋ถ„ํ•˜๋ฉด, ์„ ์ƒ์œ„์•”์ด 45.8%, signet ring cell carcinoma๊ฐ€ 23.2%๋ฅผ ์ฐจ์ง€ํ•˜์˜€๋‹ค. ์ด ์ค‘, ์„ ์ƒ์œ„์•”๊ณผ ๋ฏธ๋ถ„ํ™”์•”์€ desmoplasia์ •๋„๊ฐ€ ๋†’์•˜์œผ๋ฉฐ ํŠนํžˆ ์ค‘๋“ฑ๋„ ๋ถ„ํ™”๋ฅผ ๋ณด์ด๋Š” ์„ ์ƒ์œ„์•”๊ณผ ๋ฏธ๋ถ„ํ™”์•”์˜ ๋ฆผํŒŒ์ ˆ ์ „์ด์œจ์€ ์ƒ๋‹นํžˆ ๋‚ฎ์•˜๋‹ค. 4. ์ด284์˜ˆ๋ฅผ Mulligan๊ณผ Rember์˜ ๋ถ„๋ฅ˜๋ฒ•์— ์˜ํ•ด ๊ตฌ๋ถ„ํ•˜๋ฉด, intestinal cell carcinoma๊ฐ€ 15.1%, Pyloro-cardiac gland cell carcinoma๊ฐ€ 21.5%, mucous cell carcinoma๊ฐ€ 61.6%๋ฅผ ์ฐจ์ง€ํ•˜์˜€๋‹ค, ์ด ์ค‘ ๋ถ„ํ™”๊ฐ€ ์ข‹์€ intestinal cell carcinoma์™€ pyloro-cardiac gland cell carcinoma, ๊ทธ๋ฆฌ๊ณ  desmoplastic mucous cell carcinoma์˜ desmoplasia์ •๋„๋Š” ๋†’์•˜์œผ๋ฉฐ, ์ด ์ค‘ ๋ถ„ํ™”๊ฐ€ ์ข‹์€ intestinal cell carcinoma์™€ desm-plastic mucous cell carcinoma์˜ ๋ฆผํŒŒ์ ˆ ์ „์ด์œจ์€ ํ˜„์ €ํ•˜๊ฒŒ ๋‚ฎ์•˜๋‹ค. 5. ๋Œ€์ฒด๋กœ ๋ถ„ํ™”๊ฐ€ ์ข‹์€ ์œ„์•”์€ ๋ถ„ํ™”๊ฐ€ ์ข‹์ง€ ์•Š์€ ์œ„์•”์— ๋น„ํ•ด ํ‰๊ท ์—ฐ๋ น์ด ๋†’์•˜์œผ๋ฉฐ ํ‰๊ท ๋‚จ๋…€๋น„์— ๋น„ํ•ด ๋‚จ์ž์— ๋” ํ˜ธ๋ฐœํ•˜์˜€๋‹ค. 6. ์—ผ์ฆ๋ฐ˜์‘์˜ ์ •๋„๋Š” ์œ„์•”์˜ ์œ ํ˜•์— ๋”ฐ๋ผ ๋šœ๋ ทํ•œ ์ฐจ์ด๋ฅผ ๋ณด์ด์ง€ ์•Š์•˜๋‹ค. ๋˜ํ•œ, ์—ผ์ฆ๋ฐ˜์‘์˜ ์ •๋„์— ๋”ฐ๋ฅธ ๋ฆผํŒŒ์ ˆ ์ „์ด์˜ ๋นˆ๋„๋Š” ์‹ฌํ•œ ์—ผ์ฆ๋ฐ˜์‘์„ ๋™๋ฐ˜ํ•œ ์†Œ์ˆ˜๋ฅผ ์ œ์™ธํ•˜๋ฉด ์œ ์˜ํ•  ๋งŒํ•œ ์ฐจ์ด๊ฐ€ ์—†์—ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜, ์—ผ์ฆ์„ธํฌ์˜ ์ข…๋ฅ˜์— ๋”ฐ๋ผ ์ „์ด์œจ์€ ์ฐจ์ด๋ฅผ ๋ณด์˜€๋Š”๋ฐ, ์ฃผ๋กœ ํ˜•์งˆ์„ธํฌ๋กœ ์นจ์œค๋œ ๊ฒฝ์šฐ์— ์ „์ด์œจ์ด ์ƒ๋‹นํžˆ ๋‚ฎ์•˜๋‹ค. 7. Desmoplasia์˜ ์ •๋„๊ฐ€ ๋‚ฎ์„์ˆ˜๋ก ์˜์—ญ๋ฆผํŒŒ์ ˆ ์ „์ด์œจ์€ ์ฆ๊ฐ€ํ•˜๊ณ , ํด์ˆ˜๋ก ์ „์ด์œจ์€ ๋‚ฎ์•„์กŒ์œผ๋ฉฐ ํ†ต๊ณ„ํ•™์ ์œผ๋กœ ์˜๋ฏธ์žˆ๋Š” ์ฐจ์ด์˜€๋‹ค. 8. ์œ„์•”์˜ ์นจ์Šต๋œ ๊นŠ์ด์— ๋”ฐ๋ผ ์ „์ด์œจ์€ ํฐ ์ฐจ์ด๋ฅผ ๋ณด์˜€๋Š”ํ…Œ, ์ ๋ง‰์ธต๋งŒ ์นจ์Šต์‹œ 0%, ์ ๋ง‰ํ•˜์ธต๊นŒ์ง€ ์นจ์Šต์‹œ 15.4%, ๊ทผ์œก์ธต๊นŒ์ง€ ์นจ์Šต์‹œ 66.7%, ์žฅ๋ง‰์ธต๊ณผ ๊ทธ ์ดํ•˜๊นŒ์ง€ ์นจ์Šต์‹œ 76.5%์ด์—ˆ๋‹ค. ์ด์ƒ์„ ์ข…ํ•ฉํ•˜๋ฉด, ์œ„์•”ํ™˜์ž์˜ ์˜ˆํ›„์ถ”์ •์˜ ๊ธฐ์ค€์œผ๋กœ์„œ ๋ฆผํŒŒ์ ˆ ์ „์ด์œจ์„ ์ด์šฉํ•œ ๋ณธ ์—ฐ๊ตฌ๋ฅผ ํ†ตํ•ด ์ข‹์€ ์˜ˆํ›„๋ฅผ ์ถ”์ •ํ•  ์ˆ˜ ์žˆ๋Š” ์š”์ธ์œผ๋กœ์„œ ๋‹ค์Œ์„ ๋“ค ์ˆ˜ ์žˆ์—ˆ๋‹ค. โ‘  ์„ฑ์žฅ์œ ํ˜•์œผ๋กœ์„œ expansive growth, โ‘ก ๋ถ„ํ™”๊ฐ€ ์ข‹์€ ์œ„์•”, โ‘ข ๊ธฐ์งˆ๋ฐ˜์‘์œผ๋กœ์„œ desmoplasia์˜ ์ •๋„๊ฐ€ ๋†’์€ ๊ฒƒ, โ‘ฃ ํ˜•์งˆ์„ธํฌ์˜ ์นจ์œค, โ‘ค ์œ„์•”์˜ ์นจ์Šต๋œ ๊นŠ์ด๊ฐ€ ์–•์€ ๊ฒƒ๋“ฑ์ด์—ˆ์œผ๋ฉฐ, Mulligan๊ณผ Rember์˜ ๋ถ„๋ฅ˜๋ฒ•์ด ๋‹ค๋ฅธ ๋ถ„๋ฅ˜๋ฒ•๋ณด๋‹ค ์˜ˆํ›„ํŒ์ •์— ๋” ๋„์›€์ด ๋˜์—ˆ๋‹ค. [์˜๋ฌธ] Stomach cancer is the most common malignant neoplasm among Korean men and considered as one of the most Important malignant disease in many countries. Thus, many studios have been established about factors affecting prognosis of stomach cancer. These include studies of hlstopathological Pattern which were performed by Mulligan and Rember (1954), Lauren (1965), Ming (1977), and Teglbjerg and Vetner (1977). The present study isalned to evaluate the useful factors to predict the prognosis of patient of stomach cancer In relation to the histopathologlcal patterns. The materlal consisted of 284 cases which were diagnosed as gastric carcinoma at the Department of Pathology, Yonsei University, College of Medicine from January 198l through December, 1982. After the classification of gastric carcinoma by Ming (1977), willis (1967), and Mulligan and Rember (1954), age and sex of the patlents histopathologic patterns depth of invasion, degree and major component of inflammatory reaction, Iymphatic permeation and metastatic incidence to the regional lymph nodes were investigated, and the results obtained were as follows: 1. The overall male to female ratio was 1.4:1 and mean age was 51.6 years old. The mean age of patients with EGC was 46.8 years old, while that of patients with invasive cancer was 52.2 years old, indicating about 5 years diffeience. 2. The classification of 284 cases by Ming's method showed 36.3% of expansive type and 63.7% of infiltrative one. The incidence of metastasis to regional Iymrh nodes was 58.35 in expansive type and 72.4% in infiltrative one, 3. The classification of 284 cases by Wilits' method showed 45.8% of adenocarcinoma and 23.2% of signet cell carcinoma. Adenocarcinoma and anaplastic carcinoma had high degree of desmoplasia. Among them, moderately well differentiated adenocarcinoma and anaplastic carcinema showed markedly lower metastatic rate to regional Iymph nodes than others. 4. The classification of 284 cases by Mulligan and members' method showed 15.1% of intestinal cell carcinoma, 21.5% of pyloro-cardiac gland cell carcinoma and 61.6% of mucous cell carcinoma. Highly differentiated intestinal cell and pyloro-cardiac gland cell carcinomas and desmoplastic mucous cell carctnoma had high degree of desmoplasa. Among them highly differentiated Intestinal cell carcinoma and desmoplastic mucous cell carcinoma shewed markedly low metastatic rate to regional Iymph nodes. 5. Adenocarcinoma with good differentiation showed high mean age and male predominancy in comparison to carcinoma with poor differentiation. 6. The degree of inflammatory reaction did not show significant difference in relation to the patterns of gastric carcinoma and the rate of regional node metastasis. How-ever, according to the cell types involved in inflammatory reaction, plasma cell-predominant inflammatory reaction showed low metastatic rate to regional Iymph nodes. 7. The more the degree of desmoplasia was observed, the less the rate of metastasis to regional nodes was noted and the difference was statistically sisnificant. 8. The rate of metastasis to regional nodes showed marked difference by the depth of cancer Invasion ; confined to mucosa, 0% : to submucosa, 15.4% : to muscular layer, 66.7% : and to serosa and perigastric area, 76.5%. In summary, the results of this study indicated good prognosis such as : 1) expansive growth as growth patterns, 2) goad differentiation, 3) high degree of desmoplasia as stromal reaction, 4) plasma cell-predominant Infiltration, and 5) lesser deep Invasion. These factors are better evaluated by Mulligan and Rembers' Classification.prohibitio

    ๋ž‘๋ฎˆ์–ด ํ”„๋กœ๋ธŒ์™€ ๋ฐฉ์ถœ ๋ถ„๊ด‘๋ฒ•์„ ์ด์šฉํ•œ ๊ธ€๋กœ์šฐ ๋ฐฉ์ „ ํ”Œ๋ผ์Šค๋งˆ์˜ ํŠน์„ฑ ์—ฐ๊ตฌ

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    Thesis (doctoral)--์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› :ํ™”ํ•™๊ณผ ๋ถ„์„ํ™”ํ•™์ „๊ณต,1995.Docto

    (The) effect of nifedipine and reserpine on microvasculature of the myocardium in cardiomyopathic syrian hamster

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    ์˜ํ•™๊ณผ/๋ฐ•์‚ฌ[ํ•œ๊ธ€] Cardiomyopathic Syrian hamster๋Š” ํ™•์žฅํ˜• ์‹ฌ๊ทผ์ฆ์˜ ๋™๋ฌผ์‹คํ—˜ ๋ชจ๋ธ๋กœ์„œ ์ƒ์—ผ์ƒ‰์ฒด์—ด์„ฑ์œผ๋กœ ์œ ์ „๋˜๋Š” ์‹ฌ๊ทผ์ฆ์˜ ๋ฐœํ˜„์„ ๋ณด์ธ๋‹ค. ๋‹ค๋ฐœ์„ฑ์œผ๋กœ ๋ฐœ์ƒ๋˜๋Š” ๊ตญ์†Œ์ ์ธ ์‹ฌ๊ทผ๊ดด์‚ฌ๊ฐ€ ์‹ฌ๊ทผ์ฆ์ดˆ๊ธฐ์— ๊ด€์ฐฐ๋˜๋Š” ๊ฐ€์žฅ ์ค‘์š”ํ•œ ์กฐ์งํ•™์  ๋ณ€ํ™”๋กœ์„œ ์ด๋Š” ์‹ฌ๊ทผ๋ฏธ์„ธํ˜ˆ๊ด€์˜ ์ˆ˜์ถ•์— ๊ธฐ์ธํ•˜๋Š” ๊ฒƒ์œผ๋กœ ์•Œ๋ ค์ ธ ์žˆ๋‹ค. ์ง€๊ธˆ๊นŒ์ง€ ์—ฐ๊ตฌ๋œ ๋ฐ”๋กœ๋Š” ์‹ฌ๊ทผ์„ธํฌ๋ง‰์˜ ์œ ์ „์  ๊ฒฐํ•จ์— ์˜ํ•œ Ca**2+์œ ์ž…์ฆ๊ฐ€ ๋ฐ ์‹ฌ๊ทผ๊ณผ ํ˜ˆ๊ด€ํ‰ํ™œ๊ทผ์—์„œ์˜ ๊ต๊ฐ์‹ ๊ฒฝ ํ™œ์„ฑ์˜ ์ฆ๊ฐ€๊ฐ€ ๋ฏธ์„ธํ˜ˆ๊ด€ ์ˆ˜์ถ• ๋ฐ ์‹ฌ๊ทผ์„ธํฌ๊ดด์‚ฌ๋ฅผ ์œ ๋ฐœํ•˜๋Š” ๊ฒƒ์œผ๋กœ ์ถ”์ •๋œ๋‹ค. ๋”ฐ๋ผ์„œ cardiomyopathic Syrian hamster์˜ ์‹ฌ๊ทผ์ฆ๋ฐœ๋ณ‘์„ ์˜ˆ๋ฐฉํ•˜๊ธฐ ์œ„ํ•˜์—ฌ Ca**2+ ์ฐจ๋‹จ์ œ ๋ฐ ๊ต๊ฐ์‹ ๊ฒฝ ์ฐจ๋‹จ์ œ๋“ฑ์ด ์‚ฌ์šฉ๋˜๊ณ  ์žˆ์œผ๋‚˜ verapami์™ธ์—๋Š” ๊ทธ ์‹คํšจ์„ฑ์— ๋…ผ๋ž€์ด ๋งŽ๋‹ค. ์ด์— ์ €์ž๋Š” ์ฆ‰์žฅํ˜• ์‹ฌ๊ทผ์ฆ์˜ ๋ฐœ์ƒ๊ธฐ์ „์„ ์ถ”์ ํ•˜๊ณ  ๊ทธ ์น˜๋ฃŒ๊ฐ€๋Šฅ์„ฑ์„ ๊ทœ๋ช…ํ•ด ๋ณด๊ณ ์ž non-cardiomyopathic Syrian hamster ๋ฐ cardiomyopathic Syrian hamster์— Ca**2+ ํ†ต๋กœ ์ฐจ๋‹จ์ œ์ธ nifedipine ๋ฐ ์‹ ๊ฒฝ๋ง๋‹จ์—์„œ catecholamine๊ณ ๊ฐˆ์„ ์ดˆ๋ž˜ํ•˜๋Š” reserpine์„ 20, 40, 60์ผ๊ฐ„ ํˆฌ์—ฌํ•œ ํ›„ ์‹ฌ์žฅ์˜ ๊ตญ์†Œ๊ดด์‚ฌ๋ถ„ํฌ ๋ฐ ๋น„์œจ, ์กฐ์ง๋‚ดcatecholamine์˜ ์–‘, Microfil ๊ด€๋ฅ˜์— ์˜ํ•œ ๋ฏธ์„ธํ˜ˆ๊ด€ ๋ณ€ํ™”๋ฅผ ์กฐ์‚ฌํ•˜์—ฌ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ฒฐ๊ณผ๋ฅผ์–ป์—ˆ๋‹ค. 1. Cardiomyopathic Syrian hamster ์‹ฌ์žฅ์—์„œ ๋‹ค๋ฐœ์„ฑ์˜ ๊ตญ์†Œ์‹ฌ๊ทผ๊ดด์‚ฌ๊ฐ€ ๋ฐœ์ƒํ•˜์˜€์œผ๋ฉฐ,๋Œ€๋ถ€๋ถ„์˜ ๊ดด์‚ฌ๋Š” ์ขŒ์‹ฌ์‹ค ๋ฐ ์‹ฌ์‹ค์ค‘๊ฒฉ์˜ ์‹ฌ๊ทผ์ธต์—์„œ ๋ฐœ์ƒํ•˜์˜€๋‹ค. 2. Cardiomyopathic Syrian hamster์˜ 40์ผ ๋ฐ 60์ผ ์•ฝ๋ฌผํˆฌ์—ฌ๊ตฐ์—์„œ๋Š” ๋Œ€์กฐ๊ตฐ์— ๋น„ํ•ดํ†ต๊ณ„ํ•™์ ์œผ๋กœ ์œ ์˜ํ•  ๋งŒํ•œ ์‹ฌ๊ทผ๊ดด์‚ฌ ๋ฉด์ ์˜ ๊ฐ์†Œ๋ฅผ ๋ณด์˜€์œผ๋ฉฐ, 20์ผ ์•ฝ๋ฌผํˆฌ์—ฌ๊ตฐ์—์„œ๋Š” ๋Œ€์กฐ๊ตฐ์— ๋น„ํ•ด ์‹ฌ๊ทผ๊ดด์‚ฌ ๋ฉด์ ์˜ ๊ฐ์†Œ๊ฐ€ ๊ด€์ฐฐ๋˜๋‚˜ ํ†ต๊ณ„ํ•™์  ์˜์˜๋Š” ์—†์—ˆ๋‹ค. 3. Cardiomyopathic Syrian hamster์˜ ๋Œ€์กฐ๊ตฐ, nifedipine๋ฐ reserpine์˜ ์•ฝ๋ฌผํˆฌ์—ฌ๊ตฐ์—์„œ ํ˜ˆ๊ด€๋ฒฝ ๋ฐ ์‹ฌ๊ทผ๋‚ด์— catecholamine์ด ๊ด€์ฐฐ๋˜์—ˆ์œผ๋ฉฐ, reserpine ํˆฌ์—ฌ๊ตฐ์—์„œ๋Š” ๋Œ€์กฐ๊ตฐ์— ๋น„ํ•ด catecholamine์˜ ์–‘์ด ํ˜„์ €ํžˆ ๊ฐ์†Œํ•˜์˜€์œผ๋‚˜ nifedipineํˆฌ์—ฌ๊ตฐ์—์„œ๋Š” catecholamine์–‘์˜ ๊ฐ์†Œ๋Š” ์—†์—ˆ๋‹ค. 4. Cardiomyopathic Syrian hamster์‹ฌ์žฅ์˜ ๋ฏธ์„ธํ˜ˆ๊ด€์—์„œ ํ˜‘์ฐฉ ๋ฐ ์—ผ์ „, ๋™๋งฅ๋ฅ˜๊ฐ€ ๊ด€์ฐฐ๋˜์—ˆ์œผ๋ฉฐ, ๋Œ€์กฐ๊ตฐ์—์„œ ํ˜„์ €ํ•˜์˜€๊ณ  ์•ฝ๋ฌผํˆฌ์—ฌ๊ตฐ์—์„œ๋Š” ๊ทธ ๋นˆ๋„๊ฐ€ ๊ฐ์†Œํ•˜์˜€๋‹ค. ์ด์ƒ๊ณผ ๊ฐ™์€ ๊ฒฐ๊ณผ๋กœ์„œ cardiomyopathic Syrian hamster์—์„œ ๋ฐœ์ƒํ•˜๋Š” ์‹ฌ๊ทผ์ค‘์˜ ๋ฐœ์ƒ๊ธฐ์ „์€ ์‹ฌ๊ทผ์„ธํฌ๋‚ด Ca**+2 ์ถ•์  ๋ฐ catecholamine์˜ ์ฆ๊ฐ€๊ฐ€ ์ค‘์š”ํ•œ ์—ญํ• ์„ ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋˜๋ฉฐ, nifedipine ๋ฐ reserpineํˆฌ์—ฌ๋กœ ์‹ฌ๊ทผ์ค‘ ์ฆ์ƒ์„ ์™„ํ™”์‹œํ‚ค๊ฑฐ๋‚˜ ์˜ˆ๋ฐฉํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋œ๋‹ค. [์˜๋ฌธ] The cardiomyopathic Syrian hamster provides an experimental animal model of dilated cardiomyopathy which is transmitted by an autosomal recessive gene. The cardiomyopathy begins with multifocal and patchy myocardial necrosis which is a most important histological finding at the early stage and is caused by microvascular constriction in the myocardium. Previous works have shown that the microvascular constriction and myocardial necrosis seem to be attributable to the genetic defect of the myocardial sarcolemma and the increased sympathetic tone of the myocardium and vascular smooth muscle. Many drugs, such as calcium antagonists or adrenergic blockers, have been attempted to prevent the development of cardiomyopathy, but the effects are disputable except for verapamil. To investigate the pathogenesis of dilated cardiomyopathy and its possibility of treatment, nifedipine, a Ca**2+ channel blocker, and reserpine, a catecholamine depleting agent at sympathetic nerve terminals, were administered for 20, 40 and 60 days in non-cardiomyopathic and cardiomyopathic Syrian hamsters, and studied the distribution and ratio of focal myocardial necrosis, fluorescent intenstiy of catecholamine in tissue and microvascular changes by Microfil perfusion. The results were as follows: 1. Multifocal patchy myocardial neuroses were developed in the hearts of cardiomyopathic Syrian hamsters and were mostly distributed in the left ventricle and inteNentricular septum. 2. The area of myocardial necrosis was decreased in the cardiomyopathic Syrian hamsters treated with nifedipine and reserpine for 40 and 60 days in comparison with the control group, but there was no decrease statistically in the group treated with drugs for 20 days. 3. Histofluorescent study revealed a catecholamine content in the blood vessel wall and myocytes of all groups of cardiomyopathic Syrian hamsters, and the amount of catecholamine was markedly decreased in the reserpine-treated group in comparison with the control and was unchanged in the nifedipine-treated group. 4. Microfil perfusion study revealed variable findings of microvascular spasm, torsion and aneurysm, and these changes were remarkable in the control and reduced in the nifedipine and reserpinetreated groups. In conclusion, the dilated cardiomyopathy in cardiomyopathic Syrian hamsters was induced by Ca**2+ overloading and increased catecholamine content in the myocardium, and its manifestation could be alleviated or prevented by administration of nifedipine or reserpine.restrictio
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