Bilateral Erector Spinae Plane Block Versus Bilateral Oblique Subcostal Transversus Abdominis Plane Block for Postoperative Analgesia in Colorectal Surgery
This study aims to compare the ultrasound-guided bilateral erector spinae plane block (ESPB) and oblique subcostal transverse abdominal plane block (OSTAPB) for postoperative analgesia in colorectal surgery.
Eligibility
Sex
ALL
Min age
18 Years
Max age
75 Years
Healthy volunteers
No
Inclusion Criteria:
* Age 18 to 75 years old.
* Both sexes.
* American Society of Anesthesiologists (ASA) physical status II-III.
* Scheduled for open colorectal surgery under general anesthesia.
Exclusion Criteria:
* History of opioid abuse.
* Chronic opioid consumption.
* Body mass index (BMI) ≥ 35 kg/m2.
* Severe cardiac insufficiency, defined as New York Heart Association (NYHA) class III or IV heart failure.
* Renal failure, defined as an estimated glomerular filtration rate (eGFR) \< 30 mL/min/1.73 m².
* Hepatic encephalopathy.
* Having a skin infection at or near the puncture site.
* Coagulopathy, defined as platelet count \< 100,000/mm³, INR \> 1.5, or use of anticoagulant therapy that could not be withheld.
* Allergy to drugs used in the study.
* History of previous or recurrent laparoscopic cholecystectomy procedures.
Primary outcome measure(s)
Degree of pain — 24 hours postoperatively Each patient will be instructed about postoperative pain assessment with the numeric rating scale (NRS). NRS (0 represents "no pain" while 10 represents "the worst pain imaginable"). NRS will be assessed at 0, 2, 4, 6, 12, and 24 h postoperatively.
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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