Table 6 Side effects of occipital nerve blocks graded according to their severity and outcome
Patient | Side effect | Severity | Outcome |
|---|---|---|---|
Related to ONB | |||
TN1 | Day 1: cranial heat sensation, mild local bleeding after removal of syringe | Mild | Complete remission |
TN6 | Day 0: mild transient hypertension | Mild | Complete remission |
TN8 | Day 0: cranial heat sensation | Mild | Complete remission |
TNP1 | Days 0–7: tenderness over injection side | Mild | Complete remission |
TNP2 | Day 1: cranial heat sensation, hypoesthesia left upper arm, day 4: tenderness over injection side | Mild | Complete remission |
TNP3 | Day 0: prolonged local bleeding for few minutes after syringe was pulled out | Mild | Complete remission |
TNP4 | Day 0: cranial heat sensation | Mild | Complete remission |
TNP5_1 | Day 0: dull cervical pain (right side) | Mild | Complete remission |
TNP5_2 | Day 0: bleeding after retrieving the syringe for 10 s | Mild | Complete remission |
TNP6 | Day 0: mild headache | Mild | Complete remission |
FP2 | Day 0: cranial flush, local tenderness over injection site (left occiput) | Mild | Complete remission |
Unrelated to ONB | |||
FP4_1 | Day 3: dizziness and increased sweating, most likely prodome of gastrointestinal infection reported on day 6 | Mild | Complete remission |