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RISS 인기검색어
- 검색키워드
- 저자 : Yuichirou Ueda (검색결과 2 건)
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( Keiji Hirai ),( Susumu Ookawara ),( Taisuke Kitano ),( Haruhisa Miyazawa ),( Kiyonori Ito ),( Yuichirou Ueda ),( Yoshio Kaku ),( Taro Hoshino ),( Honami Mori ),( Izumi Yoshida ),( Kenji Kubota ),( Y 대한신장학회 2017 Kidney Research and Clinical Practice Vol.36 No.2
Background: Mizoribine (MZR) is an immunosuppressive drug used in Japan for treating patients with lupus nephritis and nephrotic syndrome and has been also reportedly effective in patients with immunoglobulin A (IgA) nephropathy. However, to date, few randomized control studies of MZR are performed in patients with IgA nephropathy. Therefore, this prospective, open-label, randomized, controlled trial aimed to investigate the efficacy and safety of adding MZR to standard treatment in these patients, and was conducted between April 1, 2009, and March 31, 2016, as a multicenter study. Methods: Patients were randomly assigned (1:1) to receiving standard treatment plus MZR (MZR group) or standard treatment (control group). MZR was administered orally at a dose of 150 mg once daily for 12 months. Results: Primary outcomes were the percentage reduction in urinary protein excretion from baseline and the rate of patients with hematuria disappearance 36 months after study initiation. Secondary outcomes were the rate of patients with proteinuria disappearance, clinical remission rate, absolute changes in estimated glomerular filtration rate from baseline, and the change in daily dose of prednisolone. Forty-two patients were randomly assigned to MZR (n = 21) and control groups (n = 21). Nine patients in MZR group and 15 patients in the control group completed the study. No significant differences were observed between the two groups with respect to primary and secondary outcomes. Conclusion: The addition of MZR to standard treatment has no beneficial effect on reducing urinary protein excretion and hematuria when treating patients with IgA nephropathy.
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Keiji Hirai,Saori Minato,Shohei Kaneko,Katsunori Yanai,Hiroki Ishii,Taisuke Kitano,Mitsutoshi Shindo,Haruhisa Miyazawa,Kiyonori Ito,Yuichirou Ueda,Yoshio Kaku,Taro Hoshino,Tatsuro Watano,Shinji Fujino 대한신장학회 2019 Kidney Research and Clinical Practice Vol.38 No.3
Background: We investigated the relationship between serum total carbon dioxide (CO2) and bicarbonate ion (HCO3 -) concentrations in pre-dialysis chronic kidney disease (CKD) patients and devised a formula for predicting low bicarbonate (HCO3 - < 24 mmol/L) and high bicarbonate (HCO3 - ≥ 24 mmol/L) using clinical parameters. Methods: In total, 305 samples of venous blood collected from 207 pre-dialysis patients assessed by CKD stage (G1 + G2, 46; G3, 50; G4, 51; G5, 60) were investigated. The relationship between serum total CO2 and HCO3 - concentrations was analyzed using Pearson’s correlation coefficient. An approximation formula was developed using clinical parameters correlated independently with HCO3 - concentration. Diagnostic accuracy of serum total CO2 and the approximation formula was evaluated by receiver operating characteristic curve analysis and a 2 × 2 table. Results: Serum total CO2 correlated strongly with HCO3 - concentration (r = 0.91; P < 0.001). The following approximation formula was obtained by a multiple linear regression analysis: HCO3 - (mmol/L) = total CO2 - 0.5 × albumin - 0.1 × chloride - 0.01 × (estimated glomerular filtration rate + blood glucose) + 15. The areas under the curves of serum total CO2 and the approximation formula for detection of low bicarbonate and high bicarbonate were 0.981, 0.996, 0.993, and 1.000, respectively. This formula had superior diagnostic accuracy compared with that of serum total CO2 (86.6% vs. 81.3%). Conclusion: Serum total CO2 correlated strongly with HCO3 - concentration in pre-dialysis CKD patients. An approximation formula including serum total CO2 showed superior diagnostic accuracy for low and high bicarbonate compared with serum total CO2.
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