M-Tapa Block for Laparoscopic Inguinal Hernia Repair Surgery

Ultrasound Guided M-Tapa Block for Postoperative Analgesia Management in Patients Underwent Laparoscopic Inguinal Hernia Repair Surgery

Modified Perichondral Approach Thoracoabdominal Nerve (M-TAPA) block is a novel block that provides effective analgesia of the anterior and lateral thoracoabdominal walls during laparoscopic surgery, in which local anesthetic is applied only to the lower side of the perichondral surface. M-TAPA block is a good alternative for analgesia of the upper dermatome levels and the abdominal lateral wall, and may be an opioid-sparing strategy with satisfactory quality improvement in patients undergoing laparoscopic surgery. M-TAPA block provides analgesia at the level of T5-T11 in the abdominal region. Sonoanatomy is easy to visualize and the spread of local anesthetic can be easily seen. Analgesia occurs in several dermatomes thanks to the cephalocaudal spread of the local anesthetic solution. There are studies in the literature investigating the effectiveness of M-TAPA block for post-operative pain management in several abdominal surgeries.

Modified Perichondral Approach Thoracoabdominal Nerve (M-TAPA) block is a novel block that provides effective analgesia of the anterior and lateral thoracoabdominal walls during laparoscopic surgery, in which local anesthetic is applied only to the lower side of the perichondral surface. M-TAPA block is a good alternative for analgesia of the upper dermatome levels and the abdominal lateral wall, and may be an opioid-sparing strategy with satisfactory quality improvement in patients undergoing laparoscopic surgery. M-TAPA block provides analgesia at the level of T5-T11 in the abdominal region. Sonoanatomy is easy to visualize and the spread of local anesthetic can be easily seen. Analgesia occurs in several dermatomes thanks to the cephalocaudal spread of the local anesthetic solution. There are studies in the literature investigating the effectiveness of M-TAPA block for post-operative pain management in several abdominal surgeries. In this study, we aimed to evaluate the effectiveness of M-TAPA block for postoperative analgesia management after laparoscopic inguinal hernia repair surgery. Our primary aim is to compare the postoperative pain scores (NRS), and our secondary aim is to compare the postoperative rescue analgesic use and postoperative opioid consumption, and the side effects (allergic reaction, nausea, vomiting) associated with opioid use.

Laparoscopic inguinal hernia repair, Postoperative pain management, Modified Perichondral Approach Thoracoabdominal Nerve (M-TAPA) block

Sixty patients aged 18-65 years old with American Society of Anesthesiologists (ASA) classification I-II and scheduled for laparoscopic inguinal hernia repair surgery will be included in the study. Patients will be randomly divided into two groups (Group M = M-TAPA group, Group C = Control group) including 30 patients each, before entering the operating room.

Patients will be administered ibuprofen 400 mgr IV every 8 hours in the postoperative period. Postoperative patient evaluation will be performed by a pain nurse blinded to the procedure. 100 mg tramadol will be performed for rescue analgesia.

Patients will be administered ibuprofen 400 mgr IV every 8 hours in the postoperative period. Postoperative patient evaluation will be performed by a pain nurse blinded to the procedure. Wound local anesthetic infiltration will be applied to the patients in the control group. 100 mg tramadol will be performed for rescue analgesia.

Under aseptic conditions, a high frequency linear probe will be placed on the costochondral angle in the sagittal plane. Then the probe will be slightly angled deeply to visualize the lower view of the perichondrium. We will perform M-TAPA with totally 40 ml (20 ml for each side) of %0,25 bupivacaine.

This scoring system includes evaluating emotional state (12 questions), physical comfort (12 questions), psychological support (7 questions), physical independence (12 questions), and pain (7 questions).

Inclusion Criteria: American Society of Anesthesiologists (ASA) classification I-II Scheduled for laparoscopic inguinal hernia repair surgery under general anesthesia Exclusion Criteria: Bleeding diathesis Receiving anticoagulant treatment Known local anesthetics and opioid allergy Infection of the skin at the site of the needle puncture Pregnancy or lactation Patients who do not accept the procedure

Tulgar S, Senturk O, Selvi O, Balaban O, Ahiskalioglu A, Thomas DT, Ozer Z. Perichondral approach for blockage of thoracoabdominal nerves: Anatomical basis and clinical experience in three cases. J Clin Anesth. 2019 May;54:8-10. doi: 10.1016/j.jclinane.2018.10.015. Epub 2018 Oct 31. No abstract available.

Altiparmak B, Toker MK, Uysal AI, Turan M, Demirbilek SG. Reply to Tulgar et al.: Perichondral approach for blockage of thoracoabdominal nerves: Anatomical basis and clinical experience in three cases. J Clin Anesth. 2019 May;54:150-151. doi: 10.1016/j.jclinane.2018.12.005. Epub 2018 Dec 12. No abstract available.

Tulgar S, Selvi O, Thomas DT, Deveci U, Ozer Z. Modified thoracoabdominal nerves block through perichondrial approach (M-TAPA) provides effective analgesia in abdominal surgery and is a choice for opioid sparing anesthesia. J Clin Anesth. 2019 Aug;55:109. doi: 10.1016/j.jclinane.2019.01.003. Epub 2019 Jan 9. No abstract available.