TABLE 2.
Pressure gradients during different stages of balloon Eustachian tuboplasty
| Preinsertion to insertion | Range | โ83 to +234 daPa |
| Average | +8.3 daPa | |
| ๐ | 45 | |
| Insertion to inflation | Range | โ515 to +18 daPa |
| Average | โ26.6 daPa | |
| ๐ | 96 | |
| Inflation to 1โminute inflation | Range | โ12 to +418 daPa |
| Average | + 22.8 daPa | |
| ๐ | 80 | |
| 1โminute inflation to deflation | Range | โ124 to +27 daPa |
| Average | โ1.9 daPa | |
| ๐ | 24 | |
| Deflation to withdrawal | Range | โ11 to +18 daPa |
| Average | +1.1 daPa | |
| ๐ | 8 | |
| Preprocedure to withdrawal | Range | โ84 to +115 daPa |
| Average | +10.6 daPa | |
| ๐ | 54 | |
| Preprocedure to 4โweeks post procedure | Range | โ97 to +138 daPa |
| Average | +4.4 daPa | |
| ๐ | 49 |
Note: ๐ = SD.