Observational studyKorean journal of anesthesiology2026
Intraoperative hypotension during liver transplantation is associated with long-term mortality.
Observational study in Korean journal of anesthesiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- How important is intraoperative blood pressure for surgical outcomes?Korean journal of anesthesiology · 2026Article
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4 authors.
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Abstract
backgroundIntraoperative hypotension (IOH) is common during liver transplantation (LT); however, its impact on long-term mortality remains unclear. We investigated the association between IOH and 1-year mortality using various mean arterial pressure (MAP) thresholds and exposure durations.
methodsThis retrospective observational cohort study included 1063 patients who underwent LT. We defined IOH as an MAP < 65 mmHg and examined each threshold in 5 mmHg increments to < 40 mmHg. Our primary outcome was 1-year mortality after LT. Multivariate logistic regression was used to control for confounding variables while assessing the association between IOH and 1-year mortality.
resultsThe 1-year mortality after LT was 7.1%. Only moderate-to-severe IOH showed independent associations with 1-year mortality: MAP < 55 mmHg for ≥ 43 minutes (hazard ratio [HR] = 2.48, 95% CI [1.05-5.86], P = 0.038), MAP < 50 mmHg for ≥ 14 min (HR = 2.60, 95% CI [1.01-6.65], P = 0.047), MAP < 45 mmHg for ≥ 13 min (HR = 4.98, 95% CI [1.18-21.0], P = 0.029), and MAP < 40 mmHg for ≥ 5 min (HR = 6.72, 95% CI [1.56-28.9], P = 0.010), whereas longer exposure durations at MAP < 65 or < 60 mmHg were not independently associated with increased mortality. Furthermore, both a lower MAP and longer exposure duration for each threshold increased the predicted probability of 1-year mortality.
conclusionsModerate-to-severe hypotension was independently associated with increased 1-year mortality after LT. These findings underscore the importance of intraoperative blood pressure management in LT recipients.
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