ESPB Versus INB With PCIA in Video-assisted Thoracic Surgery

Intercostal nerve block consists in the injection of Ropivacaine (4 ml,0.5%) in related intercostal spaces. Patient-controlled intravenous analgesia regimen is conducted with sufentanil.

Erector Spinae Plane Block consists in the injection of Ropivacaine (20ml, 0.5%), in the anatomical plane between the Erector Spinae muscles and transverse process, laterally to the spinous process of T5 . The catheter was inserted and secured in place under ecographic guidance, and a patient-controlled regional anesthesia regimen was conducted with 0.2% ropivacaine.