[Surgical management of hepatic type glycogenosis--anastomosis of the mesenteric vein and the inferior vana cava].
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Biomedical subjects
Publications and source records attributed to H Bando.
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OBJECTIVE: Immune complexes (IC) are frequently detected in patients with rheumatoid vasculitis (RV). To explore the pathogenic role of IC in the development of vasculitis among patients with rheumatoid arthritis (RA), we examined the effect of IC on the expression of cell adhesion molecules (CAM) on polymorphonuclear cells (PMN). METHODS: PMN from healthy volunteers were incubated with the sera from 26 patients with RA including 9 patients with RV, and the expression of CAM on the PMN was assessed by flow cytometry. RESULTS: We found that 67% (6/9) of the serum samples from RV patients and 18% (3/17) of the samples from RA patients without RV revealed up-regulated CD11b expression. On the other hand, 89% (8/9) of the samples from RV patients and 12% (2/17) of the samples from RA patients without RV revealed up-regulated CD18 expression. However, the expression of CD11a was not affected. Up-regulation of CD11b and CD18 on PMN was also induced by the immunoglobulin G (IgG) fraction of the sera of RV patients. Moreover, L-selectin expression on PMN was down-regulated by the sera or IgG of some patients with RV. These changes in CAM expression on PMN induced by IgG of RV patients were not observed when PMN were incubated with the IgG of RV patients from which the IC formed by IgG had been removed. CONCLUSION: These results suggest that IC formed by IgG in patients with RA are involved in the development of vasculitis by affecting the expression of CAM on PMN.
Retrospective analysis was performed for 60 patients with advanced non-small-cell lung cancer (NSCLC) who had been treated with combination therapy combining 60 mg/m2 of docetaxel with carboplatin in the range of 200 to 360 mg/m2 (average: 290 mg/m2) every 3 weeks. Considering the patients' performance status, the dose of carboplatin was lowered accordingly, being equivalent to AUC 1.9 to 6.1 (average: 3.26) by the Chatelut formula. The mean treatment cycle was 2.3 (range 1 to 7). Complete response and partial response were observed in 2 and 18 (37.0%) of the 54 evaluable patients, respectively, with a median survival time of 12.8 months and 1-year survival of 56.4%. The calculated AUC of carboplatin was not proportional to the response rate. Moderate myelosuppression was exhibited. The severity of leukopenia increased in relation to the AUC of carboplatin (R2=0.1093), whereas the relation between the platelet count and the AUC of carboplatin was relatively disproportional (R2=0.0553). Although gastrointestinal toxicity was slight, its severity increased dependent on the AUC of carboplatin. No occurrence of neurotoxicity was observed. Treatment with a combination of docetaxel and low-dose carboplatin seemed to be effective and safer in patients with advanced NSCLC.
We carried out the present study for the purpose of investigating the toxicity and efficacy of dose-intensive chemotherapy (Tokushima-CODE; T-CODE) against advanced lung cancer. Ten patients (8 with small-cell lung cancer and 2 with non-small-cell lung cancer) received chemotherapy consisting of cisplatin (27 mg/m2 on days 1-3), vincristine (0.7 mg/m2 on days 1 and 8), doxorubicin (40 mg/m2 on day 1) and etoposide (133 mg/m2 on days 1-3). Recombinant granulocyte-colony stimulating factor (75 micrograms/body on days 4-15) was injected subcutaneously. Nine patients had measurable lesions, and they all experienced partial responses. WHO grades 3 and 4 leukopenia was found in 7 out of 10 patients; thrombocytopenia (grades 3 and 4) was seen in 5 out of 10 patients during the first cycle. These results suggest that T-CODE chemotherapy is a promising induction chemotherapy.
A 48-year old male presented with undifferentiated thymic carcinoma without distant metastasis. The patient was treated with intensive systemic chemotherapy with cisplatin, vincristine, adriamycin and etoposide, intrapleural instillation of adriamycin and OK-432, intrapericardial instillation of mitomycin C and subsequent radiation to the mediastinum. The combined treatment resulted in regression of the primary tumor and disappearance of pleural effusion and pericardial effusion. Nevertheless, the patient died 18 months after the initiation of chemotherapy.
In the present study, we investigated the pharmacology of carboplatin in two patients with chronic renal failure undergoing hemodialysis. In Case 1, squamous cell carcinoma of the epipharynx was treated with 265 mg/m2 of carboplatin alone. In Case 2, adenocarcinoma of the lung was treated with 300 mg/m2 of carboplatin in combination with 50 mg/m2 of etoposide. All agents were injected intravenously. Hemodialysis was initiated 30 minutes after carboplatin administration. Most platinum was excluded by hemodialysis in a pattern similar to that in patients with normal renal function. These observations suggest that carboplatin-based chemotherapy can be considered as a treatment modality for malignant neoplasia in patients with chronic renal failure undergoing hemodialysis.