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Updated: Jan 22, 2026
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Dissection of the Transversus Abdominis Muscle for Whole-mount Neuromuscular Junction Analysis
Published on: January 11, 2014
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Transversus Abdominis Plane Block: A Narrative Review.
De Q Tran1, Daniela Bravo, Prangmalee Leurcharusmee
1From the Department of Anesthesiology, McGill University, Montreal, Quebec, Canada (D.Q.T.) Department of Anesthesiology and Perioperative Medicine, Clinical Hospital of the University of Chile, University of Chile, Santiago, Chile (D.B.) Department of Anesthesiology, Faculty of Medicine, Maharaj Nakorn Chiang Mai Hospital, Chiang Mai University, Chiang Mai, Thailand (P.L.) Department of Anesthesiology, Virginia Mason Medical Center, Seattle, Washington (J.M.N.).
Anesthesiology
|July 9, 2019
Summary
Transversus abdominis plane (TAP) blocks show benefit for open appendectomy. Further research is needed to compare TAP blocks with other truncal blocks and assess their efficacy in specific surgical scenarios.
Area of Science:
- Anesthesiology
- Surgical Pain Management
- Regional Anesthesia
Background:
- Transversus abdominis plane (TAP) blocks are regional anesthesia techniques.
- Evidence regarding their efficacy and optimal application is evolving.
Purpose of the Study:
- To review the anatomy, techniques, and clinical applications of TAP blocks.
- To provide evidence-based recommendations for their use in various surgical procedures.
- To identify areas for future research in truncal blockade.
Main Methods:
- Narrative review of existing literature on TAP blocks.
- Analysis of anatomical approaches (posterior, lateral, subcostal) and techniques.
- Evaluation of clinical evidence for indications and complications.
Main Results:
- TAP blocks are most beneficial for open appendectomy (posterior or lateral approach).
- Lateral TAP blocks are not recommended for laparoscopic hysterectomy, laparoscopic appendectomy, or open prostatectomy.
- TAP blocks may be an option for Cesarean delivery and open colorectal surgery under specific contraindications.
Conclusions:
- Further trials are required to compare different TAP block approaches (posterior vs. subcostal).
- Posterior TAP blocks warrant investigation for procedures where lateral approaches are less effective.
- Comparative studies of TAP blocks against thoracic epidural analgesia and newer truncal blocks are essential.
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