Systematic Review and Meta-Analysis of Prediction Models for Post-Induction Hypotension in Patients Undergoing General Anesthesia
By
Lu Meng
Kanru Zhao
Long Shen
Yuelai Yang
September 8, 2026
Clinical Scorecard: Systematic Review and Meta-Analysis of Prediction Models for Post-Induction Hypotension in Patients Undergoing General Anesthesia
At a Glance
Category Detail
Condition Post-Induction Hypotension (PIH) Key Mechanisms Arterial vasodilation, reduced systemic vascular resistance, and impaired autonomic regulation. Target Population Adults aged ≥18 years receiving general anesthesia. Care Setting Perioperative setting during general anesthesia.
Key Highlights
PIH is associated with adverse outcomes including myocardial injury and acute kidney injury. Existing prediction models show good discrimination but high risk of bias. Significant predictors of PIH include age and propofol dose. Guideline-Based Recommendations
Diagnosis
No standardized definition for PIH; commonly used thresholds include MAP < 65 mmHg or > 30% reduction in MAP. Management
Anesthesia providers should be aware of the risk factors and predictors of PIH during induction. Monitoring & Follow-up
Continuous monitoring of blood pressure during the induction phase of anesthesia is essential. Risks
PIH is linked to increased postoperative mortality and multiple organ dysfunction. Patient & Prescribing Data
Patients undergoing general anesthesia.
Consideration of patient-specific factors such as age and pre-existing conditions when administering anesthetics.
Clinical Best Practices
Standardize definitions and thresholds for PIH in clinical practice. Utilize machine-learning techniques for developing and validating prediction models. Conduct multicenter studies for external validation of PIH prediction models. Related Resources & Content
