Ultrasound-guided transversus abdominis plane block in patients undergoing laparoscopic cholecystectomy: comparison of efficacy of bupivacaine and levobupivacaine on postoperative pain control

Bupivacaína e levobupivacaína apresentaram eficácia similar no bloqueio TAP em pacientes submetidos à colecistectomia laparoscópica.