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Anemia and heart failure in chronic kidney disease
Francesco Locatelli1, Pietro Pozzoni, Lucia Del Vecchio
1Department of Nephrology and Dialysis, A. Manzoni Hospital, Lecco, Italy. nefrologia@ospedale.lecco.it
Insights
Anemia in chronic kidney disease (CKD) patients contributes to cardiovascular issues and poor survival. Further research is needed to determine optimal anemia correction strategies for improving cardiovascular health and patient longevity.
Area of Science:
- Nephrology
- Cardiology
- Internal Medicine
Background:
- Cardiovascular disease significantly impacts survival in chronic kidney disease (CKD) patients undergoing dialysis.
- Anemia, an early CKD complication, causes left ventricular hypertrophy and is an independent risk factor for adverse cardiovascular outcomes.
- Current guidelines for anemia correction in CKD are based on partial hemoglobin normalization, with ongoing debate about optimal targets.
Purpose of the Study:
- To evaluate the cardiovascular benefits of different anemia correction strategies in CKD patients.
- To determine if early intervention or complete hemoglobin normalization improves cardiovascular outcomes compared to current guidelines.
- To inform clinical practice regarding the management of anemia in CKD for enhanced long-term survival.
Main Methods:
- The abstract refers to ongoing, large-scale, prospective, randomized clinical trials.
- These trials aim to compare different approaches to anemia correction in CKD.
- Outcomes measured likely include cardiovascular events and mortality.
Main Results:
- Clinical studies show discordant results regarding the benefits of anemia correction.
- Partial correction of hemoglobin levels may offer some cardiovascular benefits, particularly in reducing left ventricular hypertrophy.
- The optimal timing and target for anemia correction remain unclear.
Conclusions:
- Further investigation is required to establish the best practices for anemia correction in CKD.
- Clarifying optimal anemia management strategies is crucial for improving cardiovascular status and long-term survival in renal disease patients.
- Results from ongoing trials are anticipated to guide future clinical decisions.
Abstract:
Cardiovascular disease is mainly responsible for the poor long-term survival observed in chronic kidney disease (CKD) patients on dialytic treatment. Anemia is an early complication of CKD and, by inducing important cardiovascular alterations, first of all left ventricular hypertrophy, it does not only impair quality of life, but has also been shown to be an independent risk factor for adverse cardiovascular outcomes in CKD patients. Clinical studies, although with discordant results, have shown that cardiovascular benefits, mainly in terms of left ventricular hypertrophy regression, may be achieved by a partial correction of hemoglobin levels, however, it still is unclear whether starting anemia correction in a very early phase of CKD or aiming for complete normalization of hemoglobin levels higher than the targets recommended by current guidelines may provide further cardiovascular advantages. Results of ongoing, large-scale, prospective, randomized, clinical trials therefore are awaited with much interest to clarify better which practices of anemia correction may provide the best results on the improvement of cardiovascular status and thus of long-term survival of patients with renal disease.
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