Interventional study that evaluate dermatomal distribution with pinprick and cold, and its demographic determinants in patients who underwent to Erector Spinae Plane (ESP) block with 20 ml of bupivacaine 0.5% at the thoracic level in patients with pain in the thorax and upper abdomen.
Interventional study that evaluate dermatomal distribution and its demographic determinants in patients who underwent to Erector Spinae Plane (ESP) block