Table 2.
Airway sealing pressure, cuff volume, intracuff pressure and pharyngolaryngeal morbidity
| Variables | Group P (P-LMA)(n = 40) | Group G (G-LMA)(n = 40) | Pvalue |
|---|---|---|---|
| Volume of air for cuff inflation to 60 cmH 2 O, ml | 13.90 ± 1.19** | 22.60 ± 3.27** | <0.0001** |
| Airway sealing pressure, cmH 2 O | 29.41 ± 4.33* | 32.36 ± 4.93* | 0.04* |
| Intracuff pressure measurement, cmH 2 O | |||
| 30 min | 58.83 ± 1.14 | 58.90 ± 1.15 | 0.823 |
| 60 min | 58.67 ± 1.09 | 58.27 ± 1.20 | 0.182 |
| 90 min | 58.40 ± 1.23 | 58.33 ± 1.35 | 0.870 |
| 120 min | 58.27 ± 1.09 | 58.44 ± 1.03 | 0.658 |
| Blood staining on removal of device | 9/40 (22.5%) | 8/40 (20%) | 1.000 |
| Postoperative pharyngolaryngeal morbidity | |||
| Sore throat | |||
| 1 h | 7/40 (17.5%) | 6/40 (15%) | 1.000 |
| 2 h | 7/40 | 6/40 | |
| 24 h | 0 | 0 | |
| Dysphagia | |||
| 1 h | 5/40 (12.5%) | 4/40 (10%) | 1.000 |
| 2 h | 5/40 | 4/40 | |
| 24 h | 0 | 0 | |
| Dysphonia | |||
| 1 h | 0 | 0 | |
| 2 h | 0 | 0 | |
| 24 h | 0 | 0 | |
**P < 0.01, *p < 0.05, P-LMA: ProSeal laryngeal mask airway; G-LMA: Guardian laryngeal mask airway; h: hours, min: minutes, ml: milliliter.