The basis for the transversalis fascia plane (TFP) block involves infiltration of local anaesthetic blocking the ilioinguinal and iliohypogastric nerve which are located between the fascia of the transversus abdominis muscle and the transversalis fascia. The fascia of the transversus abdominis muscle, also called the thoracolumbar fascia, is formed when the transversus abdominis and internal oblique muscles taper off posteriorly into a common aponeurosis and abuts the lateral border of quadratus lumborum muscle. The transversalis fascia is a thin aponeurotic membrane which lies between the transversus abdominis muscle and the extraperitoneal fascia, and is part of the general layer of fascia lining the abdominal cavity. Thus the TFP block is said to be suitable for lower abdominal surgery.

This study was designed obtain the analgesic efficacy of ropivacaine 0.375% for ultrasound-guided (USG) TFP block for paediatric patients undergoing laparoscopic inguinal hernia.

Methods: Thirty-two ASA 1 or 2 patients, aged 6 months to 12 years old undergoing laparoscopic inguinal hernia repair were recruited into this study. They were all given 0.4ml/kg of ropivacaine 0.375% after induction of anaesthesia. Intra operative heart rate (HR), mean arterial pressure (MAP), cumulative fentanyl consumption as well as post operative FLACC score, post operative nausea and vomiting incidence, time to first oral intake, parental satisfaction and complications were recorded.

Inclusion Criteria: All ASA I or II patients undergoing inguinal hernia repair

Exclusion Criteria: Parent's refusal, allergic to study drug