Transversus Abdominis Plane Block

Continuous lumbar transversus abdominis plane block may spread to supraumbilical dermatomes

“…McDonnell 11 reported a T7-L1 sensory block using 0.5% lidocaine on three volunteers, while Shibata 12 found a maximum block height of only T9. This discrepancy persists largely because no studies have assessed block height as a primary outcome.…”

“…It is known from cadaveric and observational studies that a single shot lumbar TAP block with 20 mL of local anesthetic is ineffective in blocking supraumbilical dermatomes. 9,12 Griffiths' results may have also been influenced by block failure, as there was no description of block distribution. A significant percentage of patients included in that study were obese, a known factor for block failure, even under US guidance.…”

Abdominal Surgery: Advances in the Use of Ultrasound-Guided Truncal Blocks for Perioperative Pain Management

“…The BD-TAP block will anaesthetize the dermatomes Th6-Th12, the antero-medial muscles of the abdominal wall and the underlying parietal peritoneum. It would also be fair to say that the BD-TAP block builds to some extent on a "mixture" of previously described techniques by El-Dawlatly et al and Shibata et al as well as Dr. Hebbards research (El-Dawlatly 2009, Shibata 2007, Hebbard 2010. In addition, the BD-TAP technique has been proved not to result in inhibition of the accessory respiratory function attributed to the abdominal wall muscles -mainly forced expiration (Petersen 2011).…”

“Comparision Between 0.2% Ropivacaine Versus 0.2% Ropivacaine with Dexmeditomidine In Ultrasound Guided Transversusabdominis Plane Block For Post Operative Analgesia In Unilateral Lower Abdominal Surgeries”

“…Intrathecaly administered Ropivacaine as a part of combined spinal epidural technique produces rapid and effective in lobour pain relief with less incidence of motor block. (17) have performed transversusabdominis plane block under ultrasound guidance in patients undergoing gynecological surgeries. They assessed the extent of ultrasound guided TAP block by pinprick in 26 patients undergoing laparoscopic gynecological surgeries.…”