Comparison of QLB and TFP Block for Postoperative Analgesia in Laparoscopic Inguinal Hernia

Condition(s) studied

Investigational drug(s) / intervention(s)

Lateral Quadratus Lumborum Block: Bilateral ultrasound-guided lateral QLB with 20 mL of 0.25% bupivacaine per side (total 40 mL). Plus, 10 mL of 0.25% bupivacaine infiltration at trocar insertion sites.

Transversalis Fascia Plane Block: Bilateral ultrasound-guided TFP block with 20 mL of 0.25% bupivacaine per side (total 40 mL). Plus, 10 mL of 0.25% bupivacaine infiltration at trocar insertion sites.

Port Site Infiltration: Local infiltration of 20 mL of 0.25% bupivacaine at the trocar insertion sites.

Study summary

This randomized controlled trial aims to compare the effects of ultrasound-guided lateral Quadratus Lumborum Block (QLB) and Transversalis Fascia Plane (TFP) block on postoperative analgesia in patients undergoing laparoscopic inguinal hernia repair. Ninety patients will be randomly assigned to one of three groups: Group QLB, Group TFP, or Group Control. The primary objective is to compare postoperative pain scores (NRS) at various time points within the first 24 hours. Secondary objectives include evaluating the need for rescue analgesia, total tramadol consumption, and the incidence of opioid-related side effects.

Eligibility

Primary outcome measure(s)

• Numeric Rating Scale (NRS) Pain Score — At 0, 3, 6, 12, 18, and 24 hours postoperatively.
  Postoperative pain intensity assessed using the Numeric Rating Scale (NRS). The scale ranges from 0 to 10, where 0 indicates "no pain" and 10 indicates "worst imaginable pain". Higher scores represent worse pain outcomes.

Trial sites (1)

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