Cost-effectiveness and value of information analysis of multiple frequency bioimpedance devices for fluid management in people with chronic kidney disease having dialysis

Elisabet Jacobsen* (Corresponding Author), Moira Cruickshank, David Cooper, Angharad Marks, Miriam Brazzelli, Graham Scotland

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract
Background
Among people with chronic kidney disease (CKD) on dialysis, sub-optimal fluid management has been linked with hospitalisation, cardiovascular complications and death. This study assessed the cost-effectiveness using multiple-frequency bioimpedance guided fluid management versus standard fluid management based on clinical judgment.

Methods
A Markov model was developed to compare expected costs, outcomes and quality adjusted life years of the alternative management strategies. The relative effectiveness of the bioimpedance guided approach was informed by a systematic review of clinical trials, and focussed reviews were conducted to identify baseline event rates, costs and health state utility values for application in the model. The model was analysed probabilistically and a value of information (VOI) analysis was conducted to inform the value of conducting further research to reduce current uncertainties in the evidence base.

Results
For the base-case analysis, the incremental cost-effectiveness ratio (ICER) for bioimpedance guided fluid management versus standard management was £16,536 per QALY gained. There was a 59% chance of the ICER being below £20,000 per QALY. Form the VOI analysis, the theoretical upper bound on the value of further research was £53 million. The value of further research was highest for parameters relating to the relative effectiveness of bioimpedance guided management on final health outcomes.

Conclusions
Multiple frequency bioimpedance testing may offer a cost-effective approach to improve fluid management in patients with CKD on dialysis, but further research would be of value to reduce the current uncertainties.
Original languageEnglish
Article number24
Number of pages10
JournalCost Effectiveness and Resource Allocation
Volume19
Early online date26 Apr 2021
DOIs
Publication statusPublished - 2021

Keywords

  • Multiple frequency bioimpedance devices
  • BCM-Body Composition Monitor
  • Cost-effectiveness
  • Value of information analysis

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