Cardiothoracic & vascular anesthesia

Postoperative Cost-effectiveness of Prophylactic Amino Acid Therapy for Renal Protection: A Modeled Economic Evaluation

J Cardiothorac Vasc AnesthPublished Cost-effectiveness analysis

Authors' conclusion

Compared with placebo, AA infusion decreases the occurrence of AKI and is cost-saving.

Study context

Population
Adults after cardiac surgery
Comparison
Intravenous amino acids vs placebo
Outcome
Cost per instance of acute kidney injury (AKI) averted
Follow-up
In-hospital
Methodological detailsdecision tree model, modeled economic evaluation, data from a recent meta-analysis, healthcare payer perspective, in-hospital time horizon, Australia, US, China, Italy and UK analysed separately
  • Decision tree model
  • Modeled economic evaluation
  • Data from a recent meta-analysis
  • Healthcare payer perspective
  • In-hospital time horizon
  • Australia, US, China, Italy and UK analysed separately

Pooled result

As reported in the abstract

Cost per AKI averted; expected total healthcare cost after surgery

Per patient cost saving (China)

$184

95% CI -$331 to -$32

Amino acids (AA)

Per patient cost saving (US)

$2,521

95% CI -$3,770 to -$1,260

AA

AA

$1,871 in China to $37,692 in the United States

Placebo

$2,055 in China to $40,213 in the United States

Further pooled results

OutcomeAbsolute risk reduction (95% CI)
AKI5.2% (5.1%–5.3%)

Original publication

Postoperative Cost-effectiveness of Prophylactic Amino Acid Therapy for Renal Protection: A Modeled Economic Evaluation. J Cardiothorac Vasc Anesth. Published 22 August 2025. doi:10.1053/j.jvca.2025.08.042

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