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Updated: Feb 2, 2026
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In situ Transverse Rectus Abdominis Myocutaneous Flap: A Rat Model of Myocutaneous Ischemia Reperfusion Injury
Published on: June 8, 2013
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Research on the efficacy of the rectus sheath block method
Esma Karaarslan, Ahmet Topal, Onur Avcı1
1Department of Anestesiology, Numune Hospital, Sivas, Turkey. dronuravci@gmail.com.
Summary
Ultrasound-guided rectus sheath block (RSB) significantly reduces postoperative pain, analgesic demand, and nausea/vomiting in abdominal surgery patients. This effective pain control method also lowers constipation rates post-surgery.
Area of Science:
- Anesthesiology
- Surgical Pain Management
Background:
- Postoperative pain management is crucial for patient recovery.
- Rectus sheath block (RSB) is an regional anesthesia technique.
- Ultrasound guidance enhances the precision of RSB.
Purpose of the Study:
- To evaluate the efficacy of ultrasound-guided rectus sheath block (RSB) for postoperative pain control.
- To compare pain scores and analgesic requirements between patients receiving RSB and those who did not.
Main Methods:
- Retrospective analysis of 235 abdominal surgery patient records.
- Comparison of visual analogue scale (VAS) pain scores and patient-controlled analgesia (PCA) device data (analgesic delivery and demand).
- Evaluation of postoperative nausea, vomiting, and constipation incidence.
Main Results:
- Patients receiving RSB showed significantly lower VAS scores and analgesic demand at 1, 12, and 24 hours post-surgery (p<0.001).
- RSB group experienced less postoperative nausea (p=0.014) and vomiting (p=0.007).
- Constipation incidence was markedly lower in the RSB group (8 patients) compared to the control group (30 patients) within 24 hours (p=0.00).
Conclusions:
- Ultrasound-guided rectus sheath block is a highly effective method for managing postoperative pain.
- RSB improves patient comfort by reducing pain, nausea, vomiting, and constipation.
- This technique offers a valuable non-opioid approach to enhance recovery after abdominal surgery.
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