NDT Advance Access originally published online on February 1, 2007
Nephrology Dialysis Transplantation 2007 22(4):1184-1189; doi:10.1093/ndt/gfl710
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Glucose-added dialysis fluid prevents asymptomatic hypoglycaemia in regular haemodialysis
Universidade Luterana do Brasil, Hospital Universitario, Unidade de Medicina Renal, Porto Alegre, RS, Brasil
Correspondence and offprint requests to: Jayme Eduardo Burmeister, Unidade de Medicina Renal – Hospital Universitário – Universidade Luterana do Brasil, R. Alvaro Alvim, 400 90420-020 – Porto Alegre, RS – Brazil. E-mail: burmeister{at}via-rs.net
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Abstract |
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Background. Hypoglycaemia (HG) has been demonstrated during chronic haemodialysis (HD). These events may become more frequent with the current use of glucose-free bicarbonate dialysis solution, the standard formula in most dialysis facilities in the last decade. On the other hand, HG-related symptoms are unusual among patients during or just after dialysis sessions. The aim of this study was to evaluate the occurrence of HG in diabetic (DM) and non-diabetic (NDM) end-stage renal failure patients during HD using dialytic solution without and with glucose.
Methods. Forty-two chronic renal failure patients—21 DM and 21 NDM—randomly selected among the 97 in our dialysis unit were submitted to an HD session with glucose-free bicarbonate solution (phase 1). Serum glucose was measured at 30, 60, 150 and 240 min. In eight patients (four DM and four NDM) glucose was also measured in fluid leaving the dialyser at 30, 60 and 150 min. After a week, all procedures were repeated in the same patients, this time with a 90 mg/dl glucose-added bicarbonate solution (phase 2). We compared the glucose levels and the number of symptomatic and asymptomatic HG events in each group in phases 1 and 2, using bivariate analysis methods with confidence limit of 0.95%.
Results. Data were expressed as mean ± SD. No patient presented any clinical evidence of HG. For all patients, the mean plasma glucose level (mg/dl) was significantly higher in phase 2 than in phase 1 (138.2 ± 96.3 vs 120.7 ± 75.9; P = 0.0392). This occurred in DM (171.1 ± 104.5 vs 132.5 ± 71.0; P = 0.0067), but not in NDM (101.3 ± 19.4 vs 95.2 ± 21.2; P = 0.06). With glucose-free HD solution, 10 patients (five DM, five NDM) presented 18 measures of glycaemia under 70 mg/dl, and with glucose-added solution, only one (DM) presented two measures under 70 mg/dl—P = 0.0045 (number of patients); P = 0.0003 (number of HG measures). Among DM patients, values for HG measures in phase 1 (49.1 ± 16.2 mg/dl) were significantly lower than in phase 2 (65.0 ± 1.4 mg/dl)—P = 0.0139. For all patients, glucose was lost in HD fluid leaving the dialyser at lower values in phase 2 (5.2 ± 2.9 g/h) than in phase 1 (16.7 ± 10.9 g/h)—P < 0.0001.
Conclusions. Asymptomatic HG was frequent during HD when glucose-free dialysis solution was used. Glucose was lost in dialytic fluid leaving the dialyser in significantly lower amounts when using glucose-added solution than glucose-free solution. Glucose-added dialysis solution at 90 mg/dl significantly reduced the number and severity of HG episodes and although it caused higher mean glycaemia in DM patients during HD, its use seems advisable in all patients.
Keywords: chronic renal failure; diabetes mellitus; haemodialysis; hypoglycaemia
Received for publication: 10. 2.06
Accepted in revised form: 2.11.06
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  D. Schneditz Glucose-added dialysis fluid prevents asymptomatic hypoglycaemia in regular haemodialysis Nephrol. Dial. Transplant., March 1, 2008; 23(3): 1066 - 1067. [Full Text] [PDF]
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J. E. Burmeister, A. Scapini, D. d. R. Miltersteiner, M. G. da Costa, and B. M. Campos Reply Nephrol. Dial. Transplant., March 1, 2008; 23(3): 1067 - 1067. [Full Text] [PDF]
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