わが国の慢性透析療法の現況(1997年12月31日現在)

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  • An overview of dialysis treatment in Japan(as of Dec. 31, 1997).

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In 1997, the Japanese Society for Dialysis Therapy conducted a statistical survey of 3, 035 facilities in Japan and received replies from 3, 026 facilities (99.70%). As of the end of 1997, there were 175, 988 dialysis patients in Japan, an increase of 8, 796 patients (5.3%) over a year from the end of 1996. The gross mortality rate was 9.4%, the same as the previous year.<br>The mean age of the patients who started their dialysis therapy in 1997 was 59.2±13.4 years old (±S.D.). This shows that the age of dialysis patients was higher than the previous year. The patients who started dialysis due to chronic glomerulonephritis in 1997 decreased compared to a year earlier. This accounts for 36.6% out of all the patients who started dialysis in 1997. On the other hand, the patients who started dialysis due to diabetic nephroathy increased, and their percentage was 33.9%.<br>In 1997, the survey also covered the high-sensitive parathyroid hormone (HS-PTH) level, C-terminal parathyroid hormone (C-PTH) level, alkaline phosphatas (ALP) level, pre-dialysis serum calcium concentration, vitamin D3 dose administered and whether or not a prathyroidectomy had been performed. Some 45.3% of the responding patients had been administered vitamin D3, and 3% had undergone vitamin D3 pulse therapy. Among the patients surveyed as to a previous paratyroidectomy, 4.4% responded in the affirmative, and 0.2% had undergone percutaneous ethanol injection therapy (PEIT).<br>Analysis of the prognosis suggested a high death risk in groups with an intact parathyroid hormone level of 720pg/ml or more, a hemoglobin Alc level of less than 5% or over 9%, pre-dialysis blood pH exceeding 7.43, or a predialysis blood HCO3- level of less than 16mEq/l or over 26mEq/l.<br>Analysis of risk factors contributing to the need for surgical release of carpal tunnel syndrome revealed a long dialysis history of ten years or more, an aging among the risk factors.

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