Relationship between anaemia management at haemodialysis initiation and patient prognosis

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Abstract

Aim:

It has been suggested that anaemia management during a transition period to haemodialysis could influence prognosis. In this paper, we have conducted a retrospective investigation on how Hb levels at haemodialysis initiation in patients with chronic kidney disease (CKD) influence the risk of cerebral infarction and cardiovascular events.

Methods:

Seventy-two patients who underwent initial haemodialysis between May 2012 and April 2014 were designated as subjects of the study and the patients were divided into a cohort with Hb levels ≥8 g/dL and a cohort with <8 g/dL at haemodialysis initiation. The occurrence of cardiovascular events was analyzed using the Kaplan−Meier method and Cox proportional hazards model.

Results:

The cohort with <8 g/dL Hb levels at haemodialysis initiation demonstrated a tendency toward low dosage of ESA or iron preparation in the pre-haemodialysis (maintenance) phase. Significant incidence of cardiovascular (log rank,P =0.002) and cerebrovascular (log rank,P =0.02) events was observed. The results of multivariate analysis of the Cox proportional hazards model indicated that anaemia with <8 g/dL Hb levels at haemodialysis initiation was a significant risk factor for coronary artery (hazard ratio = 12.85,P =0.003) and cerebrovascular (hazard ratio = 5.11,P =0.04) diseases post-haemodialysis.

Conclusion:

The results of this investigation indicate the possible involvement of low Hb levels at haemodialysis initiation as a factor in cardio- and cerebrovascular events. There, our results suggested that the administration of adequate dosage of iron preparations and ESA in the pre-haemodialysis period could help prevent cardio- and cerebrovascular events.

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