Cardiothoracic & vascular anesthesia

Associations between persistent postoperative anaemia and mortality 1 year after valvular heart surgery: a retrospective cohort study*

AnaesthesiaPublished Retrospective cohort study

Authors' conclusion

Persistent anaemia 2 months postoperatively is associated with an increased risk of 1-year mortality.

Study context

Population
Patients undergoing valvular heart surgery
Participants
2,486 patients
Exposure
Pre- and postoperative (2 months) anaemia status categories vs non-anaemia-non-anaemia
Outcome
Mortality
Follow-up
1 year

Main finding

As reported in the abstract

1-year mortality
Multivariable Cox regression
Each group vs non-anaemia-non-anaemiaAdjusted hazard ratio (95% CI)
Non-anaemia-anaemia
14.44(4.88–42.69)
Anaemia-anaemia
10.94(4.41–27.16)
Overall 1-year mortality
3.3%

Observational data: associations, not effects.

Further findings

Prevalence of anaemia

Pre-operative anaemia
1107 (44.5%)
Persistent anaemia 2 months postoperatively
279 (11.9%)

Original publication

Associations between persistent postoperative anaemia and mortality 1 year after valvular heart surgery: a retrospective cohort study*. Anaesthesia. Published 26 August 2025. doi:10.1111/anae.16753

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

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