Coronary disease & ACS

Cost to Medicare of acute kidney injury in percutaneous coronary intervention

Am Heart JPublished Retrospective cohort study

Authors' conclusion

AKI, and specifically CI-AKI, during PCI is associated with significantly longer PCI admission LOS, PCI admission costs, and long-terms costs.

Study context

Population
Medicare fee-for-service patients undergoing inpatient percutaneous coronary intervention (PCI), January 2017–June 2020
Participants
509,039 patients
Exposure
Acute kidney injury (AKI) vs no AKI during PCI admission
  • AKIn = 104,033
  • Contrast-induced AKI (CI-AKI)n = 9,691
Outcome
PCI admission LOS and cost (Medicare paid amount, 2022 US$), and total costs
Follow-up
1 year after PCI (total costs)
Methodological detailspropensity-matched analyses, Medicare 100% fee-for-service data
  • Propensity-matched analyses
  • Medicare 100% fee-for-service data

Main finding

As reported in the abstract

AKI · index PCI admission length of stay (LOS)
difference +4.12 days (95% CI 4.10–4.15)
AKI · index admission costs
difference +$11,313 (95% CI $11,093, $11,534)
AKI · total 1-year costs
difference +$14,800 (95% CI $14,359, $15,241)
CI-AKI · LOS
difference +3.03 days (95% CI 2.97–3.08)
CI-AKI · index admission costs
difference +$6,566 (95% CI $6,148, $6,984)
CI-AKI · cumulative 1-year costs
difference +$13,381 (95% CI $12,118, $14,644)

Observational data: associations, not effects.

Further findings

Propensity-matched analyses

Results similar to full cohort

Original publication

Cost to Medicare of acute kidney injury in percutaneous coronary intervention. Am Heart J. Published 2 April 2023. doi:10.1016/j.ahj.2023.03.013

Composed by AI from the published abstract and checked against it. How Briefs are made →

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