Transversus Thoracic Muscle Plane Combined With Pectoral Nerves Block for Breast Cancer Surgery

For the pectoral nerves block, 0.375% ropivacaine , 10ml was injected between the pectoralis major and pectoralis minor and 20 ml above the serratus anterior muscle. For the transversus thoracic muscle plane block, ropivacaine 0.375%,15ml was injected between the transversus thoracic muscle and the internal intercostal muscle.

For the pectoral nerves block, 0.375% ropivacaine , 10ml was injected between the pectoralis major and pectoralis minor and 20 ml above the serratus anterior muscle.