Complications and Technical Consideration of Ultrasound-Guided Rectus Sheath Blocks: A Retrospective Analysis of 4033 Patients
Authors' conclusion
In this study of RSBs performed on 4033 patients using a 23-gauge Quincke needle in patients with low body mass index, there were 8 cases (0.2%) of vascular injury, all of which accompanied hematoma.
Study context
- Population
- Patients undergoing laparoscopic surgery with an umbilical port receiving rectus sheath block (RSB) for perioperative pain control, Asan Medical Center, South Korea, 2017–2021procedures analysed
- Participants
- 4,033 patients
- Outcome
- Complications of ultrasound-guided RSB (extrarectus sheath injection, vascular injury, bowel injury, LAST)
Methodological detailssingle-centre
- Single-centre
Main finding
As reported in the abstract
Overall complications of RSB
Complications, n
96
Complications, %
2.4%
Observational data: associations, not effects.
Further findings
- Extrarectus sheath injection, cases
- 88
- Extrarectus sheath injection, %
- 2.2%
- Preperitoneal injection
- 0.9%
- Intraperitoneal injection
- 1.3%
Safety
Vascular injury (all with hematoma)
- Vascular injuries, cases
- 8
- Vascular injuries, %
- 0.2%
- Inferior epigastric artery injury with rectus sheath hematoma
- 7
- Inferior mesenteric artery injury with retroperitoneal hematoma
- 1
Bowel injury or LAST
- Bowel injury or local anesthetic systemic toxicity not reported
- 0
Original publication
Complications and Technical Consideration of Ultrasound-Guided Rectus Sheath Blocks: A Retrospective Analysis of 4033 Patients. Anesth Analg. Published 29 November 2022. doi:10.
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