50
Participants
Start Date
August 1, 2018
Primary Completion Date
December 1, 2019
Study Completion Date
December 1, 2019
serratus plane block with local anesthetic
The high-frequency linear array ultrasound transducer (UST) was placed parallel to the cephalocaudal axis of the body in T4 levels on the side of the mid-axillary line, identifying latissimus dorsi and serratus anterior, through the thoracic artery to help to find the serratus anterior and 15 ml 0.25% ropivacaine was administered.
serratus plane block with saline
The high-frequency linear array ultrasound transducer (UST) was placed parallel to the cephalocaudal axis of the body in T4 levels on the side of the mid-axillary line, identifying latissimus dorsi and serratus anterior, through the thoracic artery to help to find the serratus anterior and 15 ml saline was administered.
Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou
Feng Xia
OTHER