Table 2.
Detectability of swallowing events by real-time MRI and FEES.
| Deglutition events | Real-time MRI | FEES | |||
|---|---|---|---|---|---|
| Sagittal | Coronal | Axial | Axial | ||
| Laryngeal ascent (LAT) | Start | 100% | 80% | 0% | 89% |
| End | 100% | 67% | 0% | ||
| Velo-pharyngeal closure (VCT) | Start | 100% | 93% | 5% | 100% |
| End | 100% | 93% | 5% | 100% | |
| Oro-velar opening (OOT) | Start | 100% | 53% | 0% | 33% |
| End | 100% | 7% | 0% | ||
| Pharyngeal transit (PTT) | Start | 100% | 93% | 0% | |
| End | 100% | 20% | 0% | ||
| Glottal closure (GCT) | Start | 0% | 87% | 86% | |
| End | 0% | 87% | 86% | 22% | |
| Vallecular and piriform sinus filling (SFT) | Start | 11% | 67% | 95% | |
| End | 0% | 33% | 95% | ||
| Epiglottic retroflexion (ERT) | Start | 100% | 0% | 5% | |
| End | 100% | 0% | 0% | 89% | |
| Pharyngeal constriction (PCT) | Start | 100% | 80% | 5% | |
| End | 100% | 80% | 5% | ||
| Esophageal opening (EOT) | Start | 95% | 33% | 68% | |
| End | 95% | 13% | 68% | ||
| Laryngeal descent (LDT) | Start | 100% | 47% | 0% | |
| End | 100% | 53% | 0% | 11% | |
Bold font: highest visibility rate.
Bold italic font: second highest visibility rate.