Authors
Ji-Hyun Lee, Hye-Ran Choi
Published in
The Journal of cardiovascular nursing. Jul 03, 2026. Epub Jul 03, 2026.
Abstract
Prolonged intensive care unit (ICU) stay after heart valve surgery may delay recovery and increase complications; however, the risk factors remain underexplored.
In this study, we aimed to identify pre-, intra-, and postoperative clinical factors associated with prolonged ICU stay after heart valve surgery.
A retrospective case-control analysis was conducted on 498 patients admitted to the cardiovascular surgical ICU of a tertiary hospital in Seoul from January 1, 2021, to December 31, 2022. Patients were grouped based on ICU length of stay: ≤72 hours (nonprolonged, n = 332) and >72 hours (prolonged, n = 166), matched by age, sex, and surgery date. Data were obtained from the electronic medical records. Statistical analyses included t tests, Mann-Whitney U test, chi-square test, Fisher's exact test, and logistic regression.
Significant predictors of prolonged ICU stay included New York Heart Association class (NYHA) II (odds ratio [OR] = 3.33, 95% confidence interval [CI] = 1.79-6.18), higher EuroSCORE II (OR = 1.29, 95% CI = 1.10-1.53), fluid imbalance (OR = 1.27, 95% CI = 1.01-1.59), and longer intubation duration (OR = 1.01, 95% CI = 1.01-1.02). Additional factors included postoperative arrhythmia, red blood cell transfusion, neurological complications, hemodialysis, and fever.
Multiple clinical and postoperative factors were associated with a prolonged ICU stay after valve surgery. These findings can inform nursing protocols and targeted interventions to enhance recovery and reduce ICU burden.
PMID:
42397975
Bibliographic data and abstract were imported from PubMed on 04 Jul 2026.
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