Pulsed Radiofrequency of the Trigeminal Ganglion for Treating Postherpetic Neuralgia of the Ophthalmic Branch

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">VAS</td><td class="align_center" colspan="3">Follow-up period</td></tr><tr class="thead"><td class="align_center">1 week</td><td class="align_center">1 month</td><td class="align_center">3 months</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Grade 1 (pain score less than 2)</td><td class="align_center">0</td><td class="align_center">0</td><td class="align_center">0</td></tr><tr><td class="align_left">Grade 2 (pain score 3 or more)</td><td class="align_center">2</td><td class="align_center">2</td><td class="align_center">2</td></tr><tr><td class="align_left">Grade 3 (pain score 6 or more)</td><td class="align_center">22</td><td class="align_center">26</td><td class="align_center">30</td></tr><tr><td class="align_left">Grade 4 (complete relief)</td><td class="align_center">8</td><td class="align_center">4</td><td class="align_center">0</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The number of patients in each grade at different time points after PRF (<i>n</i> = 32).</div>

Pain Research and Management

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Table 2

Table 2: Pulsed Radiofrequency of the Trigeminal Ganglion for Treating Postherpetic Neuralgia of the Ophthalmic Branch 