The Effect of Ultrasound-Guided Erector Spinae Plane Block on Postoperative Analgesia in Percutaneous Nephrolithotomy

The Effect of Ultrasound-Guided Erector Spinae Plane Block on Postoperative Analgesia in Percutaneous Nephrolithotomy: a Randomised Single-blind Trial

This study is planned as a single-center randomized single blinded study and includes patients undergoing percutaneous nephrolitotomy.The aim of the study is to evaluate the effect of ultrasound guided erector spinal plane block on postoperative analgesia in percutaneous nephrolitotomy. Primary outcome is the total 24 hour morphine consumption.

Adult patients aged 18-65 years with American Society of Anesthesiologists (ASA) physical status I-II scheduled for elective PCNL were allocated to receive either a unilateral ultrasound-guided ESPB at the T9 level with 20 mL of 0.25% bupivacaine followed by postoperative IV morphine PCA (Group ESPB ) or postoperative IV morphine PCA alone (Group C). 24 hour morphine consumption, numeric Rating Scale (NRS) pain scores, rescue analgesic requirements, sedation scores, opioid-related adverse effects, hospital stay, chronic pain, patient and surgeon satisfaction are recorded.

Inclusion Criteria:

• Elective percutaneous nephrolitotomy
• American Society of Anesthesiologists (ASA) physical status I-II

Exclusion Criteria:

• Refusal to participate
• Coagulopathy,
• Infection at the block site
• Allergy to local anaesthetics
• Previous surgery in the block area
• Severe systemic disease.