Analgesic Effect of M-TAPA and TAPB on Laparoscopic Cholesistectomy

Cholecystectomy is the most commonly performed abdominal surgery in developed countries, with laparoscopic cholecystectomy regarded as the gold standard technique for gallstone treatment.

Postoperative pain following laparoscopic cholecystectomy is influenced by several factors, making it a complex and predominantly visceral pain. These factors include phrenic nerve irritation due to CO2 insufflation, abdominal distension, port site incisions, the effects of gallbladder removal, and individual patient characteristics.

Regional analgesia has gained widespread acceptance from both patients and physicians, becoming a key component of multimodal analgesia techniques. The transversus abdominis plane (TAP) block has proven effective in reducing postoperative pain in surgeries such as hysterectomy, cholecystectomy, cesarean section, and colorectal procedures.

The Ultrasound (US)-guided Modified Thoracoabdominal Nerve Block Through Perichondrial Approach (M-TAPA) involves administering a local anesthetic to the underside of the perichondral surface. This technique provides effective analgesia for the anterior and lateral thoracoabdominal regions.

The purpose of this study is to compare the efficacy of US-guided M-TAPA block with TAP block for postoperative analgesia following cholecystectomy.

Inclusion criteria

• Adult patients older than 18 years of age who underwent elective laparoscopic cholecystectomy under general anesthesia and were American Society of
• Anesthesiologists (ASA) I-II-III according to the ASA risk classification.

Exclusion criteria

• Patients who did not give consent,
• patients with coagulopathy,
• patients with signs of infection at the block application site,
• patients using anticoagulants,
• patients with local anesthetic drug allergies,
• patients undergoing open surgery,
• patients with unstable hemodynamics,
• patients who could not cooperate during postoperative pain assessment