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Management of chronic kidney disease-mineral and bone disorder: Korean working group recommendations
Eunah Hwang1, Bum Soon Choi2, Kook-Hwan Oh3
1Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Korea.
Insights
Korean dialysis patients face significant burdens from chronic kidney disease-mineral bone disorder. This study proposes practical recommendations for managing abnormal serum phosphorus, calcium, and intact parathyroid hormone (iPTH) levels.
Area of Science:
- Nephrology
- Endocrinology
- Bone Metabolism
Background:
- Chronic kidney disease-mineral bone disorder (CKD-MBD) poses a significant threat to Korean dialysis patients, linked to cardiovascular calcification and mortality.
- Epidemiologic data reveal many patients on maintenance hemodialysis fall outside target ranges for serum calcium, phosphorus, and intact parathyroid hormone (iPTH).
Purpose of the Study:
- To address the need for practical recommendations for managing abnormal serum phosphorus, calcium, and iPTH in dialysis patients.
- To propose simplified medication adjustment strategies for optimal management of secondary hyperparathyroidism.
Main Methods:
- Review of current practices regarding measurement of serum calcium, phosphorus, and iPTH.
- Discussion of dialysate calcium concentration, dietary phosphorus restriction, and phosphate binders.
- Evaluation of medical and surgical options for correcting secondary hyperparathyroidism.
Main Results:
- A simplified medication adjustment strategy is suggested based on serum phosphorus and calcium levels for managing secondary hyperparathyroidism.
- Current management practices and options are briefly commented upon.
Conclusions:
- Development of practical recommendations is necessary for treating abnormal mineral and bone metabolism in dialysis patients.
- Large-scale clinical studies are required to validate proposed strategies and establish practice guidelines for improved patient outcomes.
Abstract:
For Korean dialysis patients, chronic kidney disease-mineral bone disorder is a serious burden because of cardiovascular calcification and mortality. However, recent epidemiologic data have demonstrated that many patients undergoing maintenance hemodialysis are out of the target ranges of serum calcium, phosphorus, and intact parathyroid hormone. Thus, we felt the necessity for the development of practical recommendations to treat abnormal serum phosphorus, calcium, and iPTH in dialysis patients. In this paper, we briefly comment on the measurement of serum calcium, phosphorus, iPTH, dialysate calcium concentration, dietary phosphorus restriction, use of phosphate binders, and medical and surgical options to correct secondary hyperparathyroidism. In particular, for the optimal management of secondary hyperparathyroidism, we suggest a simplified medication adjustment according to certain ranges of serum phosphorus and calcium. Large-scale, well-designed clinical studies are required to support our strategies to control chronic kidney disease-mineral bone disorder in this country. Based on such data, our practice guidelines could be established and better long-term outcomes should be anticipated in our dialysis patients.
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