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  • 1
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    Tokyo : Periodicals Archive Online (PAO)
    Japan Quarterly. 3:2 (1956:Apr./June) 216 
    ISSN: 0021-4590
    Topics: Sociology , Economics
    Notes: "Through the Eastern Window"
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  • 2
    ISSN: 1436-2813
    Keywords: combination chemotherapy ; unresectable gastric cancer ; survival rate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Of 177 Japanese patients with a gastric cancer which could not be resected and seen at our institution during the period from 1964 to 1979, 153 were investigated with regard to the efficacy of anticancer agents, in terms of prolongation of life. The average survival time was 23 weeks in the combination chemotherapy group (57 cases), 17 weeks in the single drug chemotherapy group (42 cases) and 13 weeks in no chemotherapy group (54 cases). Three and 6 month survival rates in the overall patients were 57.1 per cent and 16.7 per cent for single drug chemotherapy group, and 37.0 per cent and 11.1 per cent for no chemotherapy group, while in the combination chemotherapy group, the rates were higher at 64.9 per cent and 29.8 per cent, respectively (combination chemotherapyvs. no chemotherapy group, p〈0.05). In patients with peritoneal dissemination, hepatic metastasis and carcinomatous ascites, there was a significant difference in survival rates between those prescribed combination chemotherapy and those given no chemotherapy (p〈0.05). Of 57 in the combination chemotherapy group, 6 and 9 month survival rates were 45.5 per cent and 22.7 per cent in the postoperative long-term cancer chemotherapy (PLCC) group (22 cases), such being higher than other combination chemotherapy group (35 cases), 22.9 per cent and 11.4 per cent, respectively. There was a significant difference in the survival rates between the two groups (p〈0.05).
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1436-2813
    Keywords: hepatic arterial infusion ; gastric cancer with synchronous hepatic metastases ; continuous infusion of 5-fluorouracil ; bolus infusion of Mitomycin C ; futraful ; PSK
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Between 1964 and 1981, seventy-two Japanese patients with gastric cancer associated with hepatic metastases, in whom the primary tumor had been resected, were treated in a nonrandomized manner at the Second Department of Surgery, Kyushu University Hospital. Fourteen received hepatic arterial infusion (HAI) of 5-FU and Mitomycin C (MMC) combined with systemic chemotherapy, 26 combination systemic chemotherapy of MMC, Futraful and PSK, 18 single drug (MMC) therapy, and 14 no chemotherapy. The average survival was 264 days in HAI combined with systemic chemotherapy, 208 in the combination systemic chemotherapy, 156 in the single drug therapy and 135 in those given no chemotherapy. One year survival and nine month survival rates were 21.4 per cent and 42.9 per cent in HAI combined with systemic chemotherapy, 11.5 per cent and 19.2 per cent in the combination systemic chemotherapy, 5.6 per cent and 11.1 per cent in the single drug therapy and 7.1 per cent and 14.3 per cent in the no chemotherapy group, respectively (HAI vs single drug therapy and no chemotherapy, p〈0.01). Five of 14 patients treated with HAI combined with systemic chemotherapy showed a partial response (〉50 per cent reduction in tumor size), and the average survival time was 335 days, while that of nonresponders was 224 days. Six of 14 patients treated with combination infusion therapy with MMC and 5-FU survived 314 days, as compared to 201 days for patients with infusion of 5-FU alone.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1436-2813
    Keywords: carcinoembryonic antigen ; recurrent gastric cancer ; early detection of recurrence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The usefulness of carcinoembryonic antigen (CEA) as an indicator for recurrence and a guide to the treatment was evaluated from a retrospective analysis of 88 patients with recurrent gastric cancer. Sixty-two of these patients (70.5 per cent), 25 of whom had a preoperative positive assay, and 37 a negative assay, had elevated levels of CEA after disease progression. Averaged CEA level in patients with liver metastasis was significantly higher (872 ng/ml) than in those with peritoneal metastasis (68 ng/ml), with lymph node metastasis (103 ng/ml) or with local metastasis (93 ng/ml) (p〈0.01). An elevation of CEA was found prior to the clinical manifestation of recurrence, and the average lead time was 4 months. In 25 patients with a lead time of more than 4 months, survival time after CEA elevation was 13.3 months, which was longer than the 6.5 months of 28 patients with less than 4 months. Thirty-seven of the 88 patients were treated after recurrence. The average survival period after the detection of recurrence was 9.4 months in patients with surgical treatments followed by chemotherapy, 5.9 months in those with chemotherapy alone and 3.8 months in those with surgery alone. The average survival period of 26 patients with positive CEA assays in recurrence was 5.1 months longer than of patients with negative assays. This fact suggested that early detection of recurrence followed by various treatments, in the elevated CEA group, contributes to favorable results.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 17 (1982), S. 2878-2886 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Stable crack-propagation behaviour in silica glass as a raw material for optical fibres is studied under static tensile stress in various environments such as distilled water, NaCl aqueous solution, air and dry nitrogen gas, and the influence of these environments is discussed. The crack-growth rate in distilled water is obtained qualitatively as a function of the stress intensity factor and temperature, and the activation energy of the cracking process is determined as 97.6 kcal mol−1. The growth rate seems to be unaffected by Na+ and Cl− ions in an NaCl acqueous solution, but is influenced significantly by the humidity in the atmosphere. In a dry atmosphere, the growth rate in Region II cannot be expressed as a single function of the stress intensity factor. A plot of the log of time to failure against the initial stress intensity factor reveals a linear relationship in the environments tested. The critical fracture stress of an optical fibre is evaluated taking account of the crack size on the basis of fracture mechanics concept.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1436-2813
    Keywords: postoperative long-term cancer chemotherapy ; stage IV gastric cancer ; non-curative resection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Postoperative long-term cancer chemotherapy (PLCC) with a combination of Mitomycin-C, Tegafur and PSK (an immunostimulant) was applied to non-curatively resected cases with stage IV gastric cancer (invading the adjacent organs and/or with metastasis to the liver, peritoneum, and/or distant lymph nodes). This approach has a significant life-prolongation effect. The two-year survival rate was 16.8 per cent in the PLCC group, such being higher than 6.7 per cent and 1.7 per cent in MMC and no chemotherapy groups (p〈0.05). 50 per cent survival periods in those with liver metastasis were 8.3 months in the PLCC group, such being longer than 5.2 and 2.8 months in MMC and no chemotherapy groups (p〈0.002) respectively. Combination therapy of PLCC and intra-arterial infusion of 5-FU through the proper hepatic artery prescribed for 8 patients with liver metastasis resulted in a 3-month prolongation of 50 per cent survival periods, compared with PLCC alone (p〈0.05). In those with peritoneal dissemination the rate was 10.5 months in the PLCC group, that is longer than 6.5 months in the MMC group (p〈0.02). In cases of invasion to other organs plus distant lymph node metastasis, the time was 11.0 in PLCC and 7.0 months in MMC groups (p〈0.05). Thus, PLCC is a palliative approach for non-curatively resected carcinoma of the stomach.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1436-2813
    Keywords: gastric cancer ; recurrence ; carcinoembryonic antigen (CEA)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In attempts to predict the recurrence of gastric cancer, postoperative changes in serum carcinoembryonic antigen (CEA) levels are monitored in our clinic by radioimmunoassay (Dainabot, Japan). Recurrences are suspected when serum CEA levels are 4 ng/ml, in the postoperative period. Out of 34 patients in whom there were increases in serum CEA, 18 were confirmed to have a recurrence and 15 of these 18 patients were assessed accurately by serial postoperative levels of CEA, two patients died of a recurrence after elevation of serum CEA levels. Thus, recurrence was predicted in 17 out of 34 patients (50 per cent) and in 12 out of 17 patients there was a metastasis to the liver. In 14 out of 34 patients there are no signs of recurrence 9 to 25 months after serum CEA elevations.
    Type of Medium: Electronic Resource
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