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Articles by T. Akiba
Total Records ( 3 ) for T. Akiba
  Y. Hayashino , S. Fukuhara , T. Akiba , T. Akizawa , Y. Asano , S. Saito and K. Kurokawa
  Aims  Whether health-related quality of life (HRQoL) can be accurately predicted in patients with extremely low HRQoL as a result of diabetic complications is unclear. We investigated the impact of HRQoL on mortality risk in patients with diabetes on haemodialysis.

Methods  Data from the Dialysis Outcomes Practice Pattern Study (DOPPS) were analysed for randomly selected patients receiving haemodialysis in Japan. Information regarding the diagnosis of diabetes and clinical events during follow-up was abstracted from the medical records at baseline and HRQoL was assessed by a self-reported short form (SF)-36 questionnaire. The association between physical component score and mental component score in the SF-36 and mortality risk was analysed using a Cox proportional hazard model.

Results  Data from 527 patients with diabetes on haemodialysis were analysed. The mortality age-adjusted hazard ratio of having a physical component score greater than or equal to the median was 0.27 [95% confidence interval (CI) 0.080.96] and the multivariable-adjusted mortality hazard ratio of having an mental component score greater than or equal to the median was 1.21 (95% CI 0.443.35).

Conclusions  The physical component score derived from the SF-36 is an independent risk factor for mortality in patients with diabetes on haemodialysis who generally had very low HRQoL scores. Baseline mental component score was not predictive of mortality. Patient self-reporting regarding the physical component of health status may aid in risk stratification and clinical decision making for patients with diabetes on haemodialysis.

  O Sugi , N Kimata , N Miwa , S Otsubo , K Nitta and T. Akiba

We describe a 56-year-old woman who presented with end-stage renal disease due to pregnancy-induced hypertension and secondary hyperparathyroidism (sHPT). She had started hemodialysis and underwent a subtotal parathyroidectomy (PTx). However, intact parathyroid hormone (iPTH) levels increased gradually. Eventually, she underwent a second PTx. However, therapy failed to significantly decrease iPTH levels. A third PTx was performed, but no pathological parathyroid tissue was found. Computed tomography scan indicated the presence of multiple ectopic lung nodules and 26 nodules were surgically removed from the left lung. Despite surgical treatment, iPTH levels remained high. Additional maxacalcitol failed to decrease iPTH levels, cinacalcet was then started. iPTH levels decreased and the cinacalcet dose could be reduced to maintenance doses of 60 mg/day. Throughout the 1.6 years of treatment, serum iPTH, alkaline phosphatase (ALP) and bone alkaline phosphatase (BAP) were normalized. As a consequence, bone pain gradually disappeared. Bone mineral density (BMD) was improved by administration of cinacalcet. In conclusion, cinacalcet was effective in this patient with refractory and inoperable sHPT. In addition, it improves their BMD and relieves bone pain.

  M. Miyahara , M. Furuta , T. Takekawa , S. Oda , T. Koshikawa , T. Akiba , T. Mori , T. Mimura , C. Sawada , T. Yamaguchi , S. Nishioka and M. Tada
  An irradiation detection method using the difference of the radiation sensitivity of the heat-treated microorganisms was developed as one of the microbiological detection methods of the irradiated foods. This detection method is based on the difference of the viable cell count before and after heat treatment (70 °C and 10 min).

The verification by collaborative blind trial of this method was done by nine inspecting agencies in Japan. The samples used for this trial were five kinds of spices consisting of non-irradiated, 5 kGy irradiated, and 7 kGy irradiated black pepper, allspice, oregano, sage, and paprika, respectively. As a result of this collaboration, a high percentage (80%) of the correct answers was obtained for irradiated black pepper and allspice. However, the method was less successful for irradiated oregano, sage, and paprika. It might be possible to use this detection method for preliminary screening of the irradiated foods but further work is necessary to confirm these findings.

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