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T : 목차정보

Yonsei medical journal 14건

  1. [국내논문]   Scintigraphic evaluation of renovascular hypertension.  

    Park, H M , Yune, H Y
    Yonsei medical journal v.34 no.4 ,pp. 301 - 310 , 1993 , 0513-5796 ,

    초록

    ACE inhibitor challenged renal scintigraphic studies offer noninvasive means of evaluating patients for renovascular hypertension, and provide help in selecting patients who will benefit most from interventional procedures designed for alleviation of renal artery stenosis. These studies provide functional assessment of each kidney which also helps the vascular surgeons to plan which renal artery to repair first, when bilateral renal arteries are stenotic, prior to an abdominal aortic aneurysm repair. Vasotec challenged Tc99mMAG3 renal scintigraphy is one of such tests with several advantages over other similar methods, and appears to have a great potential of being a preferred scintigraphic study for evaluation of renovascular hypertension.

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  2. [국내논문]   Effects of ryanodine on the intracellular Na+ activity and tension and action potentials of rat and guinea pig cardiac ventricular muscles.  

    Suh, C K , Park, S R
    Yonsei medical journal v.34 no.4 ,pp. 311 - 320 , 1993 , 0513-5796 ,

    초록

    Ryanodine has different effects on the contractility of rat and guinea pig ventricular muscle. Thus we investigated the effect of ryanodine on the intracellular Ca2+ and Na+ activities of the rat and guinea pig ventricular myocytes with two specific aims; whether there are any differences in intracellular Na+ activities between rat and guinea pig ventricular muscle cells, and if any, how the differences in intracellular Na+ activities are related to the effect of Na(+)-Ca2+ exchange on the action potential configuration and excitation-contraction coupling of the rat and guinea pig ventricular myocytes. Ryanodine (10(-7) M) diminished the slow repolarization phase of the rat ventricular action potential while the duration of the rapid repolarization phase increased. Ryanodine (10(-7) M) significantly increased the plateau of the action potential. At the steady state of 0.2 cps, intracellular Na+ activities (aiNa) of the rat and guinea pig ventricular myocytes were 8.7 +/- 5.2 mM (n = 16, 4 rats) and 10.0 +/- 4.1 mM (n = 25, 7 guinea pigs) respectively, but there were no statistically significant differences. The contractility of the rat ventricular muscle nearly disappeared due to ryanodine (10(-7) M) with little changes in aiNa. Monensin (10 mM) not only increased the resting tension but also remarkably increased aiNa from 2.0 mM to 20 mM. Ryanodine (10(-7) M) continuously decreased aiNa of the guinea pig ventricular muscle after the contraction ceased to decrease. Monensin increased the contractility as well as aiNa. These results suggest that the contractility of rat and guinea pig ventricular myocytes is determined by the change in the action of the Na(+)-Ca2+ exchange mechanism depending upon the plateau of action potential and the intracellular Na+ and Ca2+ activities. So ryanodine could decreases the contractility via its effect on Na(+)-Ca2+ exchange transport which could be one of possible mechanisms of negative inotropism by ryanodine.

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  3. [국내논문]   Nucleotide sequence analysis of HTLV-I isolate from a Korean patient with HAM/TSP.  

    Saito, M , Moritoyo, T , Park, J H , Lee, B I , Kim, J S , Fujisawa, J , Osame, M , Yoshida, M
    Yonsei medical journal v.34 no.4 ,pp. 321 - 327 , 1993 , 0513-5796 ,

    초록

    Limited nucleotide sequences of human T-cell lymphotropic virus type I (HTLV-1) provirus isolated from the first case of a Korean patient with HTLV-I associated myelopathy and tropical spastic paraparesis (HAM/TSP) were analysed and compared with other isolates from different regions of the world. The sequences of the env, LTR regions (536bp, 690bp respectively) showed 98.7%, 99.3% homologies with the prototype HTLV-I, ATK-1, isolated from a Japanese Adult T-cell leukemia (ATL) patient. A comparison between other isolates from different geographical origins revealed that the Korean HTLV-I isolate is more closely related to Japanese isolates than to those from other geographical origins.

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  4. [국내논문]   Diagnosis of cervical tuberculous lymphadenitis with fine needle aspiration biopsy and cytologic examination under ultrasonographic guides.  

    Suh, K W , Park, C S , Lee, J T , Lee, K G
    Yonsei medical journal v.34 no.4 ,pp. 328 - 333 , 1993 , 0513-5796 ,

    초록

    The efficacy of the fine needle aspiration biopsy and cytological examination (FNABC) under ultrasonographic (US) guides for the diagnosis of cervical tuberculous lymphadenitis was assessed. In one hundred and one patients with a neck mass or masses, tuberculous lymphadenitis has been proved by FNABC. US disclosed the physical characteristics of the masses: All the cases that involved two or more lymph nodes were multiple lesions. Eighty lesions (79.1%) were multiregional, and in 19 cases (18.8%), bilateral neck was involved. The posterior triangle of the neck was the most prevalent site (N = 69, 68.3%). Ninety two cases (90.9%) were hypoechoic lesions and 9 (9.1%) showed mixed echo patterns. There was no hyperechoic lesion (p

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  5. [국내논문]   Roux-en-Y end-to-side esophagojejunostomy with stapler after total gastrectomy.  

    Kim, C B , Suh, K W , Moon, J I , Min, J S
    Yonsei medical journal v.34 no.4 ,pp. 334 - 339 , 1993 , 0513-5796 ,

    초록

    One hundred gastric cancer patients who underwent total gastrectomy and Roux-en-Y, end-to-side esophagojejunostomy by using stapling devices were analyzed with regard to their operative results. The median time required for the anastomosis was 18 minutes (range of 15 to 45 minutes). A cartridge of 25 mm in diameter was preferred (85% of 25 mm vs. 15% of 28 mm). In 92 patients, procedures were uneventful. Intraoperative problems happened in 8 patients: Two misfirings of stapler due to mechanical problems, in 6 patients, doughnut tissues were incomplete. Mechanical problems were solved by a change of the stapler and for incomplete doughnut tissues, anastomosis was simply reinforced (2 cases) or reanastomosed with restaplings (4 cases). Anastomotic leakage occurred in 2 patients but it was seen only in radiological studies. During the follow up period, two cases of anastomotic stricture were found and they were treated with endoscopic dilatations. There was no operative mortality nor other complication. In addition, routine use of the Levin tube after total gastrectomy was appraised by comparing postoperative courses. Twenty patients were randomly divided into two groups; for 10 patients the Levin tube was removed at the recovery room and for another 10 patients the Levin tube was indwelled until peristalsis returned. Timing of the tube removal did not affect the duration of the hospital stay and starting day of oral intake. We think that the stapler, when properly used, can facilitate the esophagojejunostomy safely and routine use of the Levin tube after total gastrectomy may be unnecessary.

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    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  6. [국내논문]   The changing patterns of liver abscess during the past 20 years--a study of 482 cases.  

    Yoo, H M , Kim, W H , Shin, S K , Chun, W H , Kang, J K , Park, I S
    Yonsei medical journal v.34 no.4 ,pp. 340 - 351 , 1993 , 0513-5796 ,

    초록

    The diagnostic and treatment modalities of liver abscess have developed rapidly over the past few years but morbidity and mortality has not been markedly reduced. A total of 482 cases of liver abscess admitted to the Yonsei Medical Center over the past 20 years (Jan. 1971-Dec. 1990) were divided into 261 cases from the 1970s and 221 cases from the 1980s and the clinical and laboratory parameters were analyzed comparatively to determine if the clinical features, therapies and prognosis of liver abscess had changed. The proportion of amebic relative to pyogenic liver abscess decreased. Transbiliary infections increased in pyogenic liver abscess of the 1980s. Clinical signs such as jaundice and hepatomegaly and symptom duration before admission decreased. Abnormal laboratory features including hypoalbuminemia and elevation of alkaline phosphatase decreased and increased, respectively, in the 1980s. Ultrasonically guided percutaneous aspiration was the choice of treatment instead of surgical drainage in the 1980s. Despite diagnostic and therapeutic advances in the management of liver abscess, the prognosis has not improved in the 1980s as compared to the 1970s. This may reflect an increase in the incidence of liver abscess in old aged patients and patients with diabetes mellitus or underlying malignancy in the 1980s.

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    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  7. [국내논문]   Cardiovascular findings of Hutchinson-Gilford syndrome--a Doppler and two-dimensional echocardiographic study.  

    Ha, J W , Shim, W H , Chung, N S
    Yonsei medical journal v.34 no.4 ,pp. 352 - 355 , 1993 , 0513-5796 ,

    초록

    Progeria, also known as Hutchinson-Gilford syndrome, is an extremely rare condition originally described by Hutchinson in 1886. Death results from cardiac complications in the majority of cases and usually occurs at an average age of fourteen years. We recently experienced a patient with progeria who died suddenly after symptomatic improvement with conservative treatment. A Doppler and two-dimensional echocardiographic study revealed an enlarged and hypertrophied left ventricle with reduced global systolic function and senile aortic calcific stenosis (peak systolic pressure gradient: 50 mmHg) with a moderate degree of aortic regurgitation. Doppler findings of restrictive hemodynamic suggest severe left ventricular dysfunction due to multiple influences from the aging process, coronary artery and valvular heart disease.

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  8. [국내논문]   Production of tumor necrosis factor by intravesical administration of bacillus Calmette GuErin in patients with superficial bladder cancer.  

    Kim, C I , Shin, J S , Kim, H I , Lee, J M , Kim, S J
    Yonsei medical journal v.34 no.4 ,pp. 356 - 364 , 1993 , 0513-5796 ,

    초록

    Although an immune response to bacillus Calmette Guérin (BCG) has often been associated with antitumor activity, the action mechanism(s) of intravesical BCG therapy for prophylaxis and treatment of superficial bladder cancer is not clearly understood. In an attempt to evaluate the roles of tumor necrosis factor (TNF)-alpha and lymphotoxin (LT) in the antitumor activity, TNF-alpha productivities by peripheral blood monocytes, serum levels of TNF-alpha, and LT productivities by peripheral blood lymphocytes were studied in superficial bladder cancer patients after six intravesical administrations of BCG. TNF-alpha productivities by peritoneal macrophages of guinea pigs were also studied after six intravesical administrations of BCG. The maximum TNF-alpha productivities by peripheral blood monocytes of superficial bladder cancer patients were seen after the fourth week of administration of BCG, and the serum TNF-alpha levels were also slightly increased after intravesical BCG administration in the superficial bladder cancer patients. LT productivities by peripheral blood lymphocytes of superficial bladder cancer patients were significantly enhanced and the maximum LT productivity was also seen after the third or fifth BCG administration. TNF-alpha productivities by peritoneal macrophages of guinea pigs were significantly enhanced and the maximum TNF-alpha productivity was seen after the second or third BCG administration. Our data might suggest that six consecutive intravesical BCG administrations could induce the increased productions of TNF-alpha and LT, which might play an important role in the antitumor activity in superficial bladder cancer.

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  9. [국내논문]   Production of tumor necrosis factor by intravesical administration of bacillus Calmette Guėrin in patients with superficial bladder cancer  

    Kim, Chun Il (Department of Microbiology, Yonsei University College of Medicine, Seoul, Korea. ) , Shin, Jeon Soo (Department of Microbiology, Yonsei University College of Medicine, Seoul, Korea. ) , Kim, Hyung Il (Department of Microbiology, Yonsei University College of Medicine, Seoul, Korea. ) , Lee, Jin Moo (Department of Microbiology, Yonsei University College of Medicine, Seoul, Korea. ) , Kim, Se Jong (Department of Microbiology, Yonsei University College of Medicine, Seoul, Korea.)
    Yonsei medical journal v.34 no.4 ,pp. 356 , 1993 , 0513-5796 ,

    초록

    Although an immune response to bacillus Calmette Guérin (BCG) has often been associated with antitumor activity, the action mechanism(s) of intravesical BCG therapy for prophylaxis and treatment of superficial bladder cancer is not clearly understood. In an attempt to evaluate the roles of tumor necrosis factor (TNF)-alpha and lymphotoxin (LT) in the antitumor activity, TNF-alpha productivities by peripheral blood monocytes, serum levels of TNF-alpha, and LT productivities by peripheral blood lymphocytes were studied in superficial bladder cancer patients after six intravesical administrations of BCG. TNF-alpha productivities by peritoneal macrophages of guinea pigs were also studied after six intravesical administrations of BCG. The maximum TNF-alpha productivities by peripheral blood monocytes of superficial bladder cancer patients were seen after the fourth week of administration of BCG, and the serum TNF-alpha levels were also slightly increased after intravesical BCG administration in the superficial bladder cancer patients. LT productivities by peripheral blood lymphocytes of superficial bladder cancer patients were significantly enhanced and the maximum LT productivity was also seen after the third or fifth BCG administration. TNF-alpha productivities by peritoneal macrophages of guinea pigs were significantly enhanced and the maximum TNF-alpha productivity was seen after the second or third BCG administration. Our data might suggest that six consecutive intravesical BCG administrations could induce the increased productions of TNF-alpha and LT, which might play an important role in the antitumor activity in superficial bladder cancer.

    원문보기

    원문보기
    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  10. [국내논문]   Flow cytometric analysis of DNA ploidy in primary non-small cell carcinoma of the lung in Korea.  

    Cheon, S H , Sohn, H Y , Chang, J , Kim, S K , Ko, E H , Kim, S K , Lee, W Y , Lee, D Y , Shin, D H , Jeong, E T
    Yonsei medical journal v.34 no.4 ,pp. 365 - 370 , 1993 , 0513-5796 ,

    초록

    Flow cytometrically determined nuclear DNA content has been measured on 74 formalin-fixed, paraffin embedded specimens of non-small cell carcinoma of the lung. Of the 60 tumors that were successfully analyzed, 32 (53%) were diploid and 28 (47%) were aneuploid. The mean DNA index of aneuploid tumor was 1.5 +/- 0.25, ranging from 1.1 to 2.0. There was no significant correlation between DNA ploidy and the patient's clinical characteristics, histology of tumor, nodal status or tumor stage. Tumor ploidy was not found as a prognostic determinant in non-small cell carcinoma of the lung in this study.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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