Table 2.
Demographic data and high-resolution manofluorography (HRMF) findings of upper esophageal sphincter (UES) and proximal esophageal metrics in multiple system atrophy (MSA) patients.
| No. | Age | Sex | Type | Severity stage | Vocal cord immobility | FOIS | PAS | APECDS | UES opening | UES relaxation | Resting UES pressure | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Liquid | Thickened | |||||||||||
| 1 | 65 | M | MSA-C | 2 | No | 7 | 1 | 1 | + | Normal | Normal | Hypotensive |
| 2 | 62 | M | MSA-C | 1 | No | 7 | 1 | 1 | + | Deficient | Normal | Normal |
| 3 | 57 | M | MSA-C | 3 | No | 7 | 1 | 1 | − | Normal | Normal | Normal |
| 4 | 53 | M | MSA-C | 2 | No | 7 | 1 | 1 | − | Normal | Impaired | Normal |
| 5 | 55 | M | MSA-C | 2 | No | 7 | 1 | 1 | − | Normal | Normal | Normal |
| 6 | 53 | M | MSA-C | 3 | No | 7 | 1 | 1 | + | Normal | Normal | Normal |
| 7 | 47 | F | MSA-C | 3 | Bilateral | 7 | 1 | 1 | + | Normal | Normal | Hypotensive |
| 8 | 77 | M | MSA-C | 3 | No | 7 | 1 | 1 | + | Normal | Normal | Normal |
| 9 | 70 | M | MSA-P | 2 | Bilateral | 7 | 1 | 1 | − | Normal | Normal | Normal |
| 10 | 67 | M | MSA-P | 2 | No | 7 | 1 | 1 | + | Deficient | Normal | Hypotensive |
| 11 | 64 | M | MSA-P | 3 | No | 7 | 1 | 1 | − | Normal | Normal | Hypotensive |
| 12 | 66 | M | MSA-P | 3 | No | 7 | 1 | 1 | + | Normal | Normal | Hypotensive |
| 13 | 65 | F | MSA-P | 4 | Bilateral | 7 | 1 | 1 | + | Deficient | Normal | Hypotensive |
| 14 | 70 | F | MSA-C | 4 | Bilateral | 6 | 2 | 1 | − | Normal | Normal | Hypotensive |
| 15 | 68 | M | MSA-C | 3 | Bilateral | 6 | 2 | 1 | + | Normal | Normal | Hypotensive |
| 16 | 64 | M | MSA-C | 2 | No | 6 | 4 | 1 | + | Normal | Normal | Normal |
| 17 | 79 | F | MSA-P | 3 | No | 6 | 4 | 1 | + | Normal | Normal | Normal |
| 18 | 70 | F | MSA-C | 4 | Bilateral | 6 | 6 | 1 | − | Normal | Normal | Normal |
| 19 | 68 | M | MSA-C | 4 | Bilateral | 5 | 6 | 2 | + | Deficient | Normal | Hypotensive |
| 20 | 56 | F | MSA-C | 4 | No | 5 | 6 | 2 | + | Deficient | Normal | Normal |
| 21 | 81 | F | MSA-P | 3 | Bilateral | 6 | 7 | 1 | − | Normal | Normal | Normal |
| 22 | 55 | M | MSA-C | 4 | No | 5 | 7 | 6 | − | Normal | Normal | Normal |
| 23 | 60 | F | MSA-C | 4 | No | 6 | 8 | 1 | − | Deficient | Normal | Hypotensive |
| 24 | 68 | M | MSA-C | 4 | No | 6 | 8 | 2 | − | Deficient | Impaired | Hypotensive |
| 25 | 56 | M | MSA-C | 3 | No | 5 | 8 | 6 | + | Deficient | Impaired | Hypertensive |
MSA-P, Parkinsonian features predominant type MSA; MSA-C, Cerebellar symptoms predominant type MSA; FOIS, Functional Oral Intake Scale; PAS, Penetration Aspiration Scale; ADPEC, Abnorma deglutitive proximal esophageal contraction.