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NOBUJI MAEDA MISUZU SEKIYA KENJI KAMEDA TAKESHI SHIGA 《European journal of clinical investigation》1986,16(2):184-191
The aggregation of human erythrocytes induced by four kinds of immunoglobulin preparations was examined by a low shear rheoscope. After removing anti-A+ and anti-B+ activities contaminated in all preparations by incubating with erythrocytes of different blood groups, the facilitating effect on the rouleau formation of erythrocytes was compared: (i) The effect of polyethyleneglycol-treated preparation was the same in A+-, B+-, AB+- and O+-erythrocytes. (ii) Sulfonation did not affect the velocity of rouleau formation. (iii) Some of pepsin-treated preparations showed the strongest facilitation for A+-, B+- and AB+-erythrocytes, but the facilitation was much weaker for O+-erythrocytes. The others showed the weak facilitation for all types of erythrocytes (especially O+-erythrocytes). (iv) Plasmin treatment markedly decreased the velocity of rouleau formation of AB+- and O+-erythrocytes, but was not of A+- and B+-erythrocytes. 相似文献
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KENICHI IDO TAKANORI SUZUKI KEN KIMURA YUSHI TANIGUCHI CHIAKI KAWAMOTO NORIO ISODA NOBUHIKO NAGAMINE TATSUYA IOKA MACHIO KUMAGAI 《Journal of gastroenterology and hepatology》1995,10(5):517-522
A retrospective study was conducted of two groups of patients over (group 1, n= 57) and under (group 2, n= 655) the age of 70 years who underwent laparoscopic cholecystectomy (LC). The pre-operative physical status and systemic complications, operation time, postoperative complications, postoperative hospital stay and other clinical features of the two groups were compared. The incidence of pre-operative complications in group 1 was significantly higher than that in group 2 (P < 0.05). Postoperatively no severe complication was found in any patient. Group 1 showed significantly prolonged operation time and postoperative hospital stay compared with group 2 (P < 0.05). The difference between the groups in the intra-operative treatment time and postoperative treatment is attributed to the greater prevalence of common bile duct stone in group 1 as there was little difference between the groups in the postoperative recovery after exclusion of these patients. No pulmonary complications, which are associated with LC, were observed; the postprocedure pain was slight and the period of bedrest was short. If complications associated with pneumoperitoneum can be prevented, this surgery is an excellent measure to improve the quality of life of even elderly patients with cholecystolithiasis. 相似文献
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MASAO TAKATA KATSUYUKI MIYASAKA HIROKAZU SAKAI HIROYUKI FUJIWARA YUSHI ITO TOSHIO KAWANO 《Pediatrics international》1995,37(2):171-173
Persistent pulmonary hypertension of the newborn (PPHN) may occasionally require an invasive treatment with extracorporeal membrane oxygenation (ECMO). Inhaled nitric oxide (NO) has recently been introduced as a selective pulmonary vasodilator for treatment of PPHN. We describe a case of PPHN in which neither inhaled NO nor ECMO was effective in reversing pulmonary hypertension. The clinical course of the patient suggested a potential role of NO inhalation in predicting the outcome of ECMO treatment for PPHN. 相似文献
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The aim of this study was to evaluate subsequent fertility and pregnancy in patients treated for persistent trophoblastic tumors with single-agent VP-16. Records of all patients treated for persistent trophoblastic tumors at the Chiba University Hospital between January 1, 1986 and December 31, 1997 were reviewed. Of these, 85 patients were initially treated with single-agent VP-16. Subsequent pregnancy outcome of these patients was investigated. After remission with VP-16, 36 patients (92.3%) of those who wished for a pregnancy (45.9% of all patients studied) conceived, and 91.7% had at least one live birth. A total of 56 conceptions resulted in 42 (75.0%) term live births, seven (12.5%) first-trimester spontaneous abortions, one (1.8%) second-trimester spontaneous abortion, four (7.1%) therapeutic abortions, and two (3.6%) repeated moles. There were no congenital anomalies, no stillbirths, and the neonates' physical growth was comparable to that of the standard population in Japan. Single VP-16 regimen for patients with low-risk gestational trophoblastic tumor appears to have no adverse effects on fertility potential and pregnancy outcome. 相似文献
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KEN KIMURA KENICHI IDO YUSHI TANIGUCHI TSUTOMU SUZUKI YUKIO YOSHIDA SUNAO KAWANO SHINGO TSUJI 《Journal of gastroenterology and hepatology》1996,11(10):916-921
Abstract At present, the evaluation of anti-ulcer drugs is generally accomplished simply by calculating the cumulative healing rate at a certain point of time during treatment, which does not implicate any analysis of the healing speed of the ulcer. If the cumulative healing rate of an ulcer is expressed as a function of drug administration time, t, then it will be possible to calculate parameters concerning the healing speed of ulcers and thus evaluate drug efficacy as the time series analysis of the cumulative healing rate. A new method of evaluating anti-ulcer drugs by a statistical analysis of healing speed is proposed. A non-linear regression analysis was performed between two variables, t (time of drug administration: week) and y (non-healing rate: %), to obtain the exponential function y = Ae?kt. The theoretical values calculated from the exponential equation were in close proximity to the observed values. With this analysis, four parameters concerning the healing speed were defined, namely the healing rate constant, the initiation time of healing, the half-life of non-healing rate and the time necessary for 50% healing. With this method, the efficacy of drugs on peptic ulcer healing was dynamically analysed, the non-healing rate (y) being expressed as an exponential function of length of time (t) of treatment, thus obtaining digital parameters for healing speed. 相似文献
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CHIHIRO SEKIYA HIRONOBU KOHDA NORIYUKI YOSHIDA MASUMI OHHIRA AKIRA UEHARA TOSHIMITSU UEDE KOKICHI KIKUCHI MASAYOSHI NAMIKI 《Journal of gastroenterology and hepatology》1991,6(6):609-614
Growth of transplanted hepatic tumours (T-9) was enhanced in immune rats under stress, compared with immune rats in an unstressed condition. Compared with unstressed immune rats, killer activity of mononuclear cells infiltrating the tumours against T-9 cells was significantly reduced in stressed immune rats. In contrast, killer activity of splenocytes obtained from stressed immune rats against T-9 cells was elevated compared with that from unstressed immune rats. In addition, natural killer cell activity of mononuclear cells infiltrating the tumours obtained from stressed immune rats was significantly reduced compared with that from unstressed immune rats. Cell populations infiltrating tumour tissues were identified by flow cytometric analysis. The percentage of CD8+ cells in mononuclear cells isolated from tumour tissues of stressed immune rats was reduced compared with that of unstressed immune rats. Furthermore, interleukin-2 responsiveness of splenocytes was suppressed in stressed immune rats, whereas T cell function as reflected by phytohaemagglutinin- or Concanavalin A-reactivity was unaffected by stress. Collectively, it is likely that stress suppressed the generation of cytotoxic cells from the spleen cells of immune rats. 相似文献