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Single-channel Analysis and Calcium Imaging in the Podocytes of the Freshly Isolated Glomeruli
Published on: June 27, 2015
Should dialysate calcium concentration be standardised or individualised?
1Department of Renal Medicine, St James's University Hospital, Leeds, UK. Elizabeth.Lindley@leedsth.nhs.uk
Journal of Renal Care
|February 19, 2009
Summary
Standard hemodialysis calcium levels may cause calcium loss in patients. Individualizing dialysate calcium is crucial for managing renal bone disease and improving patient outcomes.
Area of Science:
- Nephrology
- Mineral and Bone Disorders
Background:
- The 2003 K/DOQI guidelines recommend a dialysate calcium concentration of 1.25 mmol/l for hemodialysis.
- Studies indicate that this standard concentration can lead to calcium loss in patients, particularly when considering ultrafiltration and ionized calcium levels.
Purpose of the Study:
- To evaluate the impact of standard and adjusted dialysate calcium concentrations on calcium balance in hemodialysis patients.
- To assess the effectiveness of individualized dialysate calcium prescription for managing renal bone disease.
Main Methods:
- Literature review of studies on calcium balance, ultrafiltration, and ionized calcium in hemodialysis.
- Analysis of patient data regarding calcium, phosphate, and parathyroid hormone (PTH) levels with varying dialysate calcium concentrations.
Main Results:
- Patients treated with 1.25 mmol/l dialysate calcium often experience negative calcium balance.
- Compensation for negative calcium balance may be challenging under current guideline restrictions.
- Conversion to higher dialysate calcium levels has shown benefits in selected patients for controlling calcium, phosphate, and PTH.
Conclusions:
- The standard dialysate calcium concentration may not be optimal for all hemodialysis patients.
- Individualizing dialysate calcium prescription, similar to medication, is essential for effective management of renal bone disease.
- Adjusting dialysate calcium can improve mineral and bone metabolism control in specific patient populations.
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