Bilateral Radioscopically Guided Erector Spinae Plane Block for Postoperative Analgesia in Spine Surgery: A Randomized Clinical Trial.

Background:  We compare two perioperative pain management procedures(a radioscopicallyguided erector spinae plane [ESP] block versus the standard wound infiltration technique with local anesthetics) in patients undergoing lumbosacral spine surgery.

Methods:  A randomized, double-blind clinical trial was performed, in which adults at our hospital undergoing lumbosacral surgery without fixation were randomly assigned to receive either the standard wound infiltration technique, employing long-term anesthetics, or a radioscopicallyguided ESP block. Postoperative pain severity, morphine consumption, number of patients immobilized due to wound pain, length of hospitalization, and complications were recorded.

[Trajectory of lumbar and sacral pedicular screws: Comparison between midline versus wiltse approach].

Objectives: To compare the posterolateral Wiltse approach and conventional Midline approach in short lumbosacral fusions in terms of the angle of convergence of pedicle screws.

Methods: We retrospectively reviewed computed tomography (CT) images of 76 lumbar and sacral pedicular screws that had been placed using a conventional midline approach (CA) ( = 38) and a Wiltse posterolateral approach (WA) ( = 38). All patients underwent short lumbosacral fusions from L3 to S1 for degenerative spinal disease.