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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 20 (2004), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : After unsuccessful first-line treatment of Helicobacter pylori infection, the percentage of clarithromycin-resistant strains has been reported as between 30% and 70% in Japan and other countries. A high prevalence of clarithromycin-resistant strains is reported to be associated with eradication failure.Aim : We examined antibiotic susceptibility testing using a combination of dilution agar methods with PCR-restriction fragment length polymorphism (RFLP) analysis.Methods : We enrolled 41 patients in whom first-line treatment with LAC (lansoprazole, amoxycillin and clarithromycin) was unsuccessful. Endoscopic biopsied specimens were used to examine antibiotic susceptibility to clarithromycin by dilution agar methods. PCR-RFLP analysis was performed to determine the presence of point mutations, which are primarily responsible for resistance to clarithromycin.Results : Clarithromycin-resistance rate after failure of the LAC regimen was 73.2%. Drug susceptibilities of three strains obtained by PCR-RFLP analysis were different from those by dilution agar methods. One strain with MIC values to clarithromycin of 0.05 µg/mL had a point mutation, A2144G. This strain was not eradicated by repeating LAC, but was eradicated by substituting metronidazole for clarithromycin.Conclusions : Dilution agar methods should be combined with PCR-RFLP analysis before second-line eradication to increase the accuracy of clarithromycin-susceptibility testing and to improve eradication efficacy.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 72 (1993), S. 26-29 
    ISSN: 1432-1440
    Keywords: Ferritin ; Hyperthyroidism ; Anemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To further elucidate the mechanism of increased serum ferritin levels in hyperthyroidism, the changes in erythrocytes and serum iron and total iron-binding capacity levels were examined in addition to serum ferritin levels in 13 hyperthyroid patients. The mean values of hemoglobin, red blood cells, and packed cell volume were increased by antithyroid therapy. While the serum levels of iron did not change, those of total iron-binding capacity increased significantly after achieving a euthyroid state. Increased serum ferritin levels returned to normal through antithyroid therapy. Furthermore, the serum ferritin levels of four anemic patients were significantly higher than those of nine nonanemic patients. Thus it is concluded that the increase in serum ferritin levels in patients with hyperthyroidism may be due to the direct action of thyroid hormones on its synthesis, while in some cases complicated with anemia impaired iron utilization by erythropoietic cells may also be involved.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0584
    Keywords: Multiple myeloma ; Common acute lymphoblastic leukemia antigen (CALLA) ; Renal failure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Four patients with common acute lymphoblastic leukemia antigen (CALLA)-positive myeloma are presented. The subclasses of monoclonal protein were IgDκ (1 case), IgAλ (1 case), and IgAκ (2 cases). Bence Jones proteinuria was seen in all cases. The clinical stages were determined as IIA (2 cases) and IIIA (2 cases). All patients died with a median survival time after diagnosis of 62 days due to rapid development of renal failure (3 cases), and renal insufficiency and pneumonia (1 case). According to light microscopic evaluation, these myelomas corresponded to plasmablastic (1 case), immature (2 cases), and intermediate (1 case) types. Both CALLA and a cytoplasmic immunoglobulin identical with the serum monoclonal protein were simultaneously detected in single cells from all cases using immunofluorescent double labeling. These findings suggest that CALLA-positive and plasmablastic myelomas constitute clinically a subgroup characterized by extremely poor survival but they represent cytologically different subcategories.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0584
    Keywords: Nonsecretory myeloma ; Cyclophosphamide ; Vincristine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A unique case of IgA κ myeloma is presented. While the myeloma cells had secreted a large quantity of IgA κ monoclonal protein, they were induced to stop secreting the monoclonal protein by cyclophosphamide and vincristine, in spite of a remarkable increase in tumor burden. The absence of intracytoplasmic IgAκ was clearly evidenced by the immunofluorescence technique using anti-IgA and anti-κ monoclonal antibodies.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0584
    Keywords: Key words Multiple myeloma ; Ultrastructure ; Prognosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Myeloma cells were ultrastructurally analyzed in relation to survival in 54 patients with myeloma who were treated with melphalan-prednisolone or cyclophosphamide-prednisolone. Since previous studies by electron microscope had demonstrated that the degree of nuclear-cytoplasmic asynchrony of myeloma cells was associated with poor prognosis, this study focused on three kinds of nuclear abnormalities and eight kinds of cytoplasmic abnormalities. The patients were classified into three groups according to the presence of these abnormalities. The median survival times of the first group with five or fewer of 11 different kinds of abnormalities, the second group with 6–8 abnormalities, and the third group with nine or more abnormalities were 2353, 531, and 115 days, respectively. Furthermore, this classification by ultrastructural abnormalities corresponded to those by the initial hemoglobin concentrations, platelet counts, and percentages of myeloma cells and plasmablasts in the bone marrow. These findings suggest that ultrastructural analysis of nuclear and cytoplasmic abnormalities, in addition to nuclear maturity, of myeloma cells may provide important information for predicting the prognosis in myeloma patients.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0584
    Keywords: Key words Multiple myeloma ; Prognostic factor ; Morphology ; Elderly ; Young
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The prognostic value of morphological classifications and clinical variables was compared between 31 elderly (≥65 years) and 43 young (〈65 years) patients with myeloma. Prognostic factors were divided into three groups: factors useful in elderly patients, e.g., calcium, albumin; factors useful in young patients, e.g., platelet, creatinine, light-chain type; and factors useful in both patients, e.g., clinical stage, hemoglobin, LDH, CRP, bone marrow plasma cell and plasmablast percentages, light- and electron-microscopic classifications. The 5-year survival rates of elderly patients with calcium 〈12 and ≥12 mg/dl were 66.2 and 〈11.1%, respectively (p〈0.01). Those of the young patients were 64.1 and 33.3%, respectively. The 5-year survival rates of elderly patients with platelets ≥200×109/l and 〈100×109/l were 59.7 and 50.0%, respectively. Those of the young patients were 68.9 and 33.3%, respectively (p〈0.05). The 5-year survival rates of elderly patients with few and numerous electron-microscopic abnormalities were 90 and 0%, respectively (p〈0.01), those of young patients were 92.9 and 〈14.3%, respectively (p〈0.01). These findings suggest that individual clinical variables may differ in prognostic importance in elderly and young patients.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 78 (1999), S. 571-572 
    ISSN: 1432-0584
    Keywords: Key words Microcirculation ; Diabetes mellitus ; Red cell deformability ; Red cell velocity ; Packed cell volume
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Clinical rheumatology 13 (1994), S. 117-118 
    ISSN: 1434-9949
    Keywords: Adult Still's Disease ; Elderly Case
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Adult Still's disease is a variant of juvenile rheumatoid arthritis occurring most frequently in women 16–35 years of age, but rarely in elderly people. We describe a 75-year-old woman who was considered as having adult Still's disease.
    Type of Medium: Electronic Resource
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