Subcostal Approach to Anterior Quadratus Block Versus Thoracic Paravertebral Block for Laparoscopic Nephrectomy

  • STATUS
    Recruiting
  • participants needed
    50
  • sponsor
    Ondokuz Mayıs University
Updated on 1 February 2023
anesthesia
morphine
bupivacaine
opioid
paravertebral block
acute pain

Summary

In this study, it was aimed to evaluate the effects of subcostal anterior quadratus lumborum block (S-QLB3) and thoracic paravertebral block (TPVB) on postoperative acute pain scores and opioid consumption in the first 24 hours after laparoscopic nephrectomy surgery.

Description

Laparoscopic partial or radical nephrectomy is associated with severe acute postoperative pain. Acute pain is mediated by inflammation, activation of spinal pathways and muscle spasm. Poor pain control may reduce patient satisfaction, delay postoperative ambulation and increase the incidence of pulmonary and cardiac complications.

Facial plane blocks, an important element of multimodal analgesia, can reduce the dosage of opioids, minimize side effects and improve the quality of postoperative recovery. Quadratus lumborum (QL) block is a relatively new technique. Subcostal anterior QL block (S-QLB3) involves injection in the plane between the psoas and QL muscles. Thoracic paravertebral block (TPVB) is frequently used in thoracic and general surgery and its significant analgesic efficacy has been demonstrated in the literature. It has been used successfully as part of multimodal analgesia in renal surgery.

In this study, it was aimed to evaluate the effects of S-QLB3 block and TPVB block on pain scores and opioid consumption in patients undergoing laparoscopic nephrectomy.

Patients will be divided into two groups:

Group S-QLB3:A unilateral S-QLB3 block will be performed (0.4 ml/kg of 0.25% bupivacaine + 1:400.000 adrenaline). In addition, IV morphine-PCA will be applied postoperatively for 24 hours.

Group TPVB: A unilateral TPV block will be performed (0.4 ml/kg of 0.25% bupivacaine + 1:400,000 adrenaline). In addition, IV morphine-PCA will be applied postoperatively for 24 hours.

Details
Condition Anesthesia, Analgesia, Acute Pain, Patient Controlled Analgesia
Treatment Thoracic paravertebral block, Subcostal Anterior Quadratus Lumborum Block
Clinical Study IdentifierNCT05191966
SponsorOndokuz Mayıs University
Last Modified on1 February 2023

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