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The Effect of Ultrasound-Guided Bilateral External Oblique Intercostal Plane Block on Postoperative Analgesia in Elderly Patients Undergoing Laparoscopic Hepatectomy: A Randomized Controlled Trial

The Effect of Ultrasound-Guided Bilateral External Oblique Intercostal Plane Block on Postoperative Analgesia in Elderly Patients Undergoing Laparoscopic Hepatectomy: A Randomized Controlled Trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500114363
Enrollment
Unknown
Registered
2025-12-11
Start date
2025-12-11
Completion date
Unknown
Last updated
2025-12-15

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

Conditions

pain

Interventions

EOI group:Preoperative ultrasound-guided bilateral oblique subcostal transversus abdominis plane block with 0.375% ropivacaine, 20ml per side, combined with postoperative patient-controlled intravenou
Control group:Preoperative ultrasound-guided bilateral oblique subcostal transversus abdominis plane block with 0.9% saline, 20 ml per side, combined with postoperative patient-controlled intravenous

Sponsors

Zhongshan Hospital, Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Age >= 60 years; 2. ASA physical status classification I–III; 3. Elective laparoscopic hepatectomy; 4. Sufficient cognitive capacity to complete postoperative follow-up; 5. Signed informed consent.

Exclusion criteria

Exclusion criteria: 1. History of allergy to local anaesthetics; 2. Infection at the injection site; 3. Concurrent surgery on organs other than the liver; 4. Chronic pain or chronic opioid use; 5. Presence of peripheral neuropathy or deficits; 6. Chronic sleep disorders with long-term use of sedative-hypnotic medications; 7. Patients with severe renal impairment, defined as serum creatinine =1.5 times the upper limit of normal or creatinine clearance <80 ml/min; 8. Patients with Child-Pugh class C or higher hepatic impairment; 9. Patients with cardiac insufficiency, defined as NYHA class III-IV.

Design outcomes

Primary

MeasureTime frame
Consumption of morphine equivalents within 24 hours postoperatively;

Secondary

MeasureTime frame
Morphine equivalent consumption;NRS pain scores at rest and during coughing;Intraoperative opioid consumption;Time to first postoperative rescue analgesia;The incidence and severity of pruritus, nausea, or vomiting ;Occurrence of complications associated with EOI;QoR-15 scores ;RCSQ scores;Length of Stay, LOS;Incidence of chronic pain at 3 months;Complications during hospitalization;

Countries

China

Contacts

Public ContactGe Xiaodong

Zhongshan Hospital, Fudan University

gai.xiaodong@zs-hospital.sh.cn+86 21 6404 1990

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026