The Effect of Laparoscopic or Ultrasound-Guided Rectus Sheath Block on Pain Relief After Inguinal Hernia Repair: A Double-Blind Randomized Controlled Trial

The Effect of Laparoscopic or Ultrasound-Guided Rectus Sheath Block on Pain Relief After Inguinal Hernia Repair: A Double-Blind Randomized Controlled Trial - The Effect of Laparoscopic or Ultrasound-Guided Rectus Sheath Block on Pain Relief After Inguinal Hernia Repair: A Double-Blind Randomized Controlled Trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059556

Enrollment

Registered

2026-03-31

Start date

2025-10-27

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Inguinal Hernia Repair

Interventions

Laparoscopic-Guided Rectus Sheath Block Ultrasound-Guided Rectus Sheath Block

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients aged 18 years or older undergoing laparoscopic inguinal hernia repair under general anesthesia Patients who have provided written informed consent to participate in this study

Exclusion criteria

Exclusion criteria: Patients undergoing bilateral inguinal hernia repair Patients requiring emergency surgery (e.g., incarcerated hernia) Patients deemed unable to undergo induction of anesthesia with intravenous anesthetics (propofol or midazolam) Patients with known allergies to any drugs used in this study Patients with cognitive impairment or other conditions that make it difficult to understand the questionnaire Patients currently using analgesics Patients suspected of drug dependence

Design outcomes

Primary

Measure	Time frame
Pain assessment at 3 hours postoperatively (NRS, Face Scale)	—

Secondary

Measure	Time frame
Time to awakening Time of surgery start Duration of the block procedure (from block timeout to completion of the block) Pain assessment at the time of return to the ward (NRS, Face Scale) Pain assessment at 24 hours postoperatively (NRS, Face Scale) Postoperative analgesic use (scheduled and additional doses) Presence or absence of postoperative complications Patient satisfaction and complication check at 30 days postoperatively	—

Measure

Time frame

Time to awakening Time of surgery start Duration of the block procedure (from block timeout to completion of the block) Pain assessment at the time of return to the ward (NRS, Face Scale) Pain assessment at 24 hours postoperatively (NRS, Face Scale) Postoperative analgesic use (scheduled and additional doses) Presence or absence of postoperative complications Patient satisfaction and complication check at 30 days postoperatively

—

Countries

Japan

Contacts

Public Contactshingo kawashima

Seirei Mikatahara General Hospital Department of Anesthesiology

shingogo@hama-med.ac.jp0534361251

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026