Laparoscopic-guided transversus abdominis plane block for colorectal surgery

Area of Science:

• Anesthesiology
• Surgical Techniques
• Pain Management

Background:

• Transversus abdominis plane (TAP) blocks are utilized for postoperative analgesia following hysterectomy and open abdominal surgery.
• The traditional method involves anesthetic injection between the internal oblique and transversus abdominis muscles.
• Existing techniques lack direct visualization during needle placement.

Purpose of the Study:

• To present an improved method for performing transversus abdominis plane blocks using laparoscopic guidance.
• To demonstrate the feasibility of integrating this technique into laparoscopic colorectal surgery.
• To highlight the potential benefits for postoperative pain control.

Main Methods:

• The procedure is performed by an experienced colorectal surgeon at the conclusion of elective laparoscopic surgery.
• Laparoscopic visualization guides the insertion of an insulated needle through the midaxillary line.
• Correct needle placement is confirmed by feeling two distinct "pops" and observing a bulge indicating injectate coverage by the transversus abdominis muscle.

Main Results:

• The laparoscopic-guided TAP block allows for direct visualization of needle placement and injectate spread.
• The technique is easily integrated at the end of laparoscopic procedures.
• The method was performed bilaterally and at a second injection site on the same side.

Conclusions:

• Laparoscopic-guided transversus abdominis plane blocks serve as a useful adjunct for reducing postoperative analgesia in laparoscopic colorectal surgery.
• This technique is readily applicable following various laparoscopic procedures.
• Further prospective randomized trials are needed to evaluate its impact on pain control, hospital stay, and cost-effectiveness.