Postoperative anaemia and long‐term survival after cardiac surgery: adjustment, thresholds and denominators

Xinye Song; Yong Luan

doi:10.1111/anae.70370

September 15, 2026AnaesthesiaOpen Access

Postoperative anaemia and long‐term survival after cardiac surgery: adjustment, thresholds and denominators

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Key Points

To examine how postoperative anaemia relates to long-term survival following cardiac surgery and how choice of thresholds, denominators, and statistical adjustments affects risk estimates.
Evaluated long-term survival outcomes following cardiac surgical procedures in relation to postoperative haemoglobin levels.
Assessed the analytical effects of risk-adjustment models, diagnostic haemoglobin cutoffs, and patient denominator definitions on long-term mortality estimates.
Postoperative anaemia associates with reduced long-term survival following cardiac surgery across evaluated cohorts.
The magnitude and statistical significance of mortality associations vary markedly depending on selected haemoglobin thresholds and multivariable adjustment strategies.

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Implication

Observational analysis evaluates long-term survival outcomes in post-cardiac surgery patients, highlighting the impact of anaemia thresholds and statistical adjustment.

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Song et al. (2026) studied this question.

synapsesocial.com/papers/6aabb5fd5f706d05830e4627 https://doi.org/10.1111/anae.70370

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Postoperative anaemia and long‐term survival after cardiac surgery: adjustment, thresholds and denominators

Key Points

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Implication

Abstract

Discussion

Cite This Study

Postoperative anaemia and long‐term survival after cardiac surgery: adjustment, thresholds and denominators

Key Points

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Implication

Abstract

Discussion

Cite This Study

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