Table 3. Degree of diaphragm paralysis (complete ≥75%, partial 25.1 to 74.9% and no paralysis ≤25%) side effects/complication, need for analgesia and types of analgesics used.
| Traditional ISB (30 mL) (n=140) | ISB (5 mL) + STB (20 mL) (n=78) | ISB (10 | mL) + STB (20 mL) (n=67) | Probability | ||||
| n | % | n | % | n | % | χ2 | p | |
| During NI (%) | 47.738 | 0.000 | ||||||
| <25 | 4 | 2.9 | 10 | 12.8 | 2 | 3.0 | ||
| 25.1-74.9 | 65 | 46.4 | 63 | 80.8 | 38 | 56.7 | ||
| >75 | 71 | 50.7 | 5* | 6.4* | 27 | 40.3 | ||
| During DI (%) | 41.029 | 0.000 | ||||||
| <25 | 3 | 2.2 | 5 | 6.4 | 2 | 3.0 | ||
| 25.1-74.9 | 72 | 51.4 | 68 | 87.2 | 33 | 49.2 | ||
| >75 | 65 | 46.4 | 5* | 6.4* | 32 | 47.8 | ||
| SE/complication | 12.720 | 0.002 | ||||||
| Yes | 58 | 41.4 | 14* | 17.9* | 25 | 37.3 | ||
| No | 82 | 58.6 | 64 | 82.1 | 42 | 62.7 | ||
| Need for analgesic | 4.405 | 0.111 | ||||||
| Yes | 85 | 60.7 | 47 | 60.3 | 50 | 74.6 | ||
| No | 55 | 39.3 | 31 | 39.7 | 17 | 25.4 | ||
| Analgesic type | 11.362 | 0.182 | ||||||
| Tramodol | 10 | 7.1 | 3 | 3.8 | 5 | 7.4 | ||
| Paracetamol | 62 | 44.3 | 34 | 43.6 | 18 | 26.9 | ||
| NSAI | 3 | 2.1 | 2 | 2.6 | - | - | ||
| Paracetamol + NSAI | 20 | 14.4 | 17 | 21.8 | 16 | 23.9 | ||
| Paracetamol + tramadol | 45 | 32.1 | 22 | 28.2 | 28 | 41.8 | ||
| ISB: Interscalene block; STB: Superior truncus block; NI: Normal inspiration; DI: Deep inspiration; SE: Side effect; NSAID: Non-steroidal anti-inflammatory drug; * p: Versus traditional ISB (30 mL) and ISB (10 mL) + STB (Pearson-χ2 crosstabulations). | ||||||||