11 January 2021 : Clinical Research
Lightwand-Guided Insertion of Flexible Reinforced Laryngeal Mask Airway: Comparison with Standard Digital Manipulation Insertion
Dae Hee Kim1BCD, Yun Jeong Chae1ADE, Sang Kee Min1CD, Eun Ji Ha1BC, Ji Young Yoo1ABEFG*DOI: 10.12659/MSM.928538
Med Sci Monit 2021; 27:e928538
Table 3 Oropharyngeal leak pressure, peak inspiratory pressure, and expiratory tidal volume in several positions.
| Variable | Control group (n=27) | Lightwand group (n=27) | P value |
|---|---|---|---|
| OLP (cmHO) | 0.478 | ||
| Neutral | 27.9±7.5 | 30.3±8.7 | |
| Extension | 20.4±8.1* | 20.5±9.7* | |
| Rotation | 30.4±6.2 | 29.5±8.1 | |
| Flexion | 27.7±7.4 | 28.1±8.2 | |
| Re-neutral | 27.9±6.3 | 31.2±7.7 | |
| PIP | 0.104 | ||
| Neutral | 18.5±4.4 | 17.3±2.7 | |
| Extension | 16.3±3.7* | 14.9±7.4 | |
| Rotation | 17.9±3.3 | 17.1±2.6 | |
| Flexion | 20.2±7.0 | 17.3±3.3 | |
| Re-neutral | 19.1±5.2 | 17.6±3.2 | |
| Expiratory tidal volume | 0.521 | ||
| Neutral | 445.5±92.6 | 454.8±142.6 | |
| Extension | 302.7±141.5* | 315.4±189.2* | |
| Rotation | 457.9±101.1 | 480.9±117.8 | |
| Flexion | 437.1±117.1 | 449.9±126.6 | |
| Re-neutral | 460.7±84.8 | 477.5±101.6 | |
| Values are presented as median (interquartile range) or mean±SD or numbers. Control group – standard digital manipulation method group; Lightwand group – lightwand guided method group; OLP – oropharyngeal leak pressure; PIP – peak inspiratory pressure. * Significant different compared to neutral position. | |||