Hemodynamics, fluids & transfusion
Inferior vena cava ultrasound to predict hypotension after general anesthesia induction: a systematic review and meta-analysis of observational studies
Authors' conclusion
Preoperative IVC-CI is a strong predictor of postinduction hypotension.
Study context
- Population
- Adults presenting for elective surgery under GA (excluding obstetric patients and studies exclusively in patients with obesity)
- Participants
- 1,166 adults · 14 studies
- Comparison
- Inferior vena cava collapsibility index (IVC-CI) vs IVC-CI 40-45%
- Outcome
- Diagnostic accuracy of IVC-CI and dIVCmax in predicting postinduction hypotension
Methodological detailsdiagnostic accuracy, bivariate random effects model, GRADE
- Diagnostic accuracy
- Bivariate random effects model
- GRADE
Pooled result
As reported in the abstract
Postinduction hypotension prediction
| Group | Sensitivity | Specificity | Hierarchical summary receiver-operating characteristic area under the curve (HSROC-AUC) |
|---|---|---|---|
| IVC-CI | 0.68 (95% CI 0.55 to 0.79; coverage probability 0.91) | 0.78 (95% CI 0.69 to 0.85; coverage probability 0.9) | 0.80 (95% CI 0.68 to 0.85) |
IVC-CI
Sensitivity0.68 (95% CI 0.55 to 0.79; coverage probability 0.91)
Specificity0.78 (95% CI 0.69 to 0.85; coverage probability 0.9)
Hierarchical summary receiver-operating characteristic area under the curve (HSROC-AUC)0.80 (95% CI 0.68 to 0.85)
Further pooled results
| Outcome | IVC-CI 40-45% |
|---|---|
| IVC-CI threshold range 40-45% (subgroup)High quality of evidence | |
| HSROC-AUC | 0.86 (95% CI 0.69 to 0.93) |
Original publication
Inferior vena cava ultrasound to predict hypotension after general anesthesia induction: a systematic review and meta-analysis of observational studies. Can J Anaesth. Published 3 July 2024. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →