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Diabetes mellitus and dialysis.
G Stein1, R Fünfstück, R Schiel
1Department of Internal Medicine III, Friedrich-Schiller-University, Jena, Germany. guenter.stein@med.uni-jena.de
Summary
Diabetes mellitus is a leading cause of end-stage renal disease, impacting elderly patients with multiple comorbidities. Hemodialysis is common, but factors like age and vascular access influence survival, necessitating integrated care and transplantation consideration.
Area of Science:
- Nephrology
- Diabetology
- Internal Medicine
Background:
- Diabetes mellitus is a growing cause of end-stage renal disease (ESRD), particularly affecting elderly patients with numerous comorbidities.
- Diabetic ESRD patients face significant risks from cardiovascular, vascular, and infectious complications, historically leading to poor survival rates on dialysis and limited transplantation opportunities.
Purpose of the Study:
- To review current renal replacement therapies for diabetic nephropathy.
- To highlight challenges and advancements in hemodialysis and peritoneal dialysis for diabetic ESRD patients.
- To emphasize the need for integrated care and timely consideration for kidney transplantation.
Main Methods:
- Review of current literature on renal replacement therapy (RRT) in diabetic nephropathy.
- Analysis of survival predictors and complications associated with hemodialysis (HD) and peritoneal dialysis (PD).
- Discussion of vascular access, dialysis adequacy, and emerging PD solutions.
Main Results:
- Hemodialysis is the most frequent RRT for diabetic ESRD, with age being the primary survival predictor; optimal dialysis adequacy (Kt/V ≥ 1.2) and good vascular access (fistulas preferred over grafts) are crucial.
- Peritoneal dialysis, including continuous ambulatory PD (CAPD) and automated PD, is established for diabetic nephropathy, though glucose absorption and AGEs-related membrane changes pose challenges.
- While peritonitis is a common reason for PD discontinuation, diabetic patients do not have an increased risk; however, overall mortality remains higher than in non-diabetics.
Conclusions:
- Integrated care models combining PD with a potential switch to HD, alongside continuous inclusion on the kidney transplantation waiting list, are essential for managing diabetic ESRD patients.
- Further research into novel PD solutions is needed to mitigate glucose absorption and AGEs-related complications, improving long-term membrane function.
- Optimizing dialysis adequacy, managing comorbidities, and ensuring appropriate vascular access are critical for improving outcomes in diabetic patients with ESRD.