Why the study?
The effectiveness of preoperative education in improving perioperative outcomes among patients undergoing cardiac surgery lacked rigorous statistical synthesis and remained inconclusive.
Does preoperative education improve perioperative outcomes in adult patients undergoing cardiac surgery?
Comparison
Preoperative education interventions vs comparator
Design
Systematic review and meta-analysis of randomized controlled trials
Key result
Preoperative education reduced preoperative anxiety (P=0.02) and ICU stay (P=0.02), and improved knowledge (P<0.00001), with smaller effects on postoperative anxiety, depression, and satisfaction.
Authors
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Supports routine preoperative education to cut preoperative anxiety and ICU stay in cardiac surgery; extends RCT synthesis for perioperative optimization.
Meta-Analysis (n=3,167)
Does preoperative education improve perioperative outcomes in adult patients undergoing cardiac surgery?
Preoperative education interventions are feasible and significantly improve perioperative psychological outcomes, knowledge, and reduce ICU length of stay in adult patients undergoing cardiac surgery.
Ng et al. (2021) conducted a meta-analysis in cardiac surgery (n=3,167). preoperative education was evaluated on perioperative outcomes including anxiety, depression, knowledge, pain intensity, pain interference, postoperative complications, length of hospitalization, length of ICU stay, satisfaction, and health-related quality of life. Preoperative education reduced preoperative anxiety (P=0.02) and ICU stay (P=0.02), and improved knowledge (P<0.00001), with smaller effects on postoperative anxiety, depression, and satisfaction.
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