Respiratory failure & ventilation
The ratio of parasternal intercostal muscle-thickening fraction-to-diaphragm thickening fraction for predicting weaning failure
Authors' conclusion
The TFic/TFdi ratio predicted weaning failure with high accuracy and outperformed the D-RSBI.
Study context
- Population
- Mechanically ventilated patients undergoing weaning, 7/2022–5/2023114 [70.8%] weaned
- Participants
- 161 participants
- Comparison
- TFic/TFdi ratio vs D-RSBI for predicting weaning failure
- Outcome
- Accuracy (AUROC) for predicting weaning failure
Methodological detailsprospective, consecutive enrolment
- Prospective
- Consecutive enrolment
Performance
As reported in the abstract
Weaning failure prediction
| Test or model | AUROC |
|---|---|
| TFic/TFdi ratio | 0.887 (95% CI: 0.821-0.953) |
| D-RSBI | 0.875 (95% CI: 0.807-0.944) |
AUROC
TFic/TFdi ratio0.887 (95% CI: 0.821-0.953)
D-RSBI0.875 (95% CI: 0.807-0.944)
Original publication
The ratio of parasternal intercostal muscle-thickening fraction-to-diaphragm thickening fraction for predicting weaning failure. J Crit Care. Published 22 June 2024. doi:10.
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