Table 2 Results of ONB in trigeminal neuralgia (TN)
ID | Sides/mixture/volume | Pre-ONB | Post-ONB 3 days | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Tenderness over GON | Duration of attack (s) | Intensity (VAS) | Susceptibility to triggers | Hypoesthesia after ONB | % of pre-ONB pain | Duration of attack | Intensity (VAS) | Susceptibility to triggers | Duration of improvement (days) | Response (≥50%) | Painful? | Side effects? | ||
TN1 | 2× (50 mg L; 4 mg D/3.5 ml) | Ipsilateral (less pronounced contralateral) | 60 | 5/10 | 5/10 | n.a. | 100 | n.a. | 5/10 | 10/10 | 0 | – | – | + |
TN2 | 1× (20 mg L; 4 mg D/2 ml) | Ipsilateral (unilateral block) | ≤1 | 4/10 | 2/10 | Right+ (unilateral block) | 100 | 1–2 s | 4/10 | 0/10 | 0 | – | – | – |
TN3 | 2× (30 mg L; 4 mg D/2.5 ml) | None | Up to 120 | 10/10 | 0/10 | Right+, left + | 0 | n.a. | 0/10 | n.a. | 6 | + | – | – |
TN4 | 2× (30 mg L; 4 mg D/2.5 ml) | Ipsilateral | Up to 60 | 10/10 | 0/10 | Right−, left− | 30 | 4 s | 3/10 | 0/10 | 3 | + | + | – |
TN5 | 2× (30 mg L; 4 mg D/2.5 ml) | Ipsilateral | ≤1 | 10/10 | 8/10 | Right+, left + | 5 | ≤1 s | 1/10 | 0/10 | 69 | + | – | – |
TN6 | 2× (40 mg L(1%); 4 mgD/5 ml) | Ipsilateral | 5 | 4/10 | 5/10 | Right+, left + | 50 | 1–2 | 2/10 | 9/10 | 77a | + | + | + |
TN7 | 2× (30 mg L; 4 mg D/2.5 ml) | Ipsilateral contralateral | 1 | 7/10 | 5/10 | Right+, left+ | 40 | 1 | 2/10 | 5/10 | 3 | + | – | – |
TN8 | 2× (30 mg L; 4 mg D/2.5 ml) | Ipsilateral | 30 | 8/10 | 10/10 | Right+, left+ | 20# | 1 s | 3/10 | 8/10 | 5 | + | – | + |