Pectoralis I and Serratus Anterior Plane Block Analgesia for Bilateral Mastectomy: A Case Series.

Background: Poorly controlled acute breast surgery postoperative pain is associated with delayed recovery, increased morbidity, impaired quality of life, and prolonged opioid use during and after hospitalization. Recently, ultrasound-guided pectoralis nerve (PECS) I block and serratus anterior plane (SAP) block, together or individually, have emerged as a potential method to relieve pain, decrease opioid requirements, and improve patient outcomes.

Objective: The aim of this study was to assess if the addition of a PECS I/SAP block in patients undergoing bilateral mastectomies provides more effective perioperative analgesia compared to standard analgesia.

Computer-Assisted Instrument Guidance to Improve Adductor Canal Block Performance for Total Knee Arthroplasty: A Pilot Randomized Controlled Trial.

Background Postoperative pain associated with total knee arthroplasties (TKAs) is routinely managed with ultrasound-guided adductor canal blocks (ACBs). Computer-assisted instrument guidance (CAIG) systems can supplement the existing ultrasound machinery and block needles. CAIG systems allow the operator to navigate the needle in real time while displaying a projected trajectory of its path onto the ultrasound monitor.