A prospective, double-blinded randomized controlled, 1-year follow-up study was designed to compare the analgesic effect of serratus plane block (SPB) after breast cancer surgery. Women undergoing radical mastectomy were dIvided into Control group and SPB group. The postoperative acute pain was evaluated by numerical rating scale (NRS) and the effect of preventing chronic pain was assessed at 3, 6, 12 months after surgery by NRS.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
50
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.
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, Guangdong, China
Numerical Rating Scale (NRS) of chronic pain
Pain intensity of patients was evaluated by Numerical Rating Scale, rating from 0 (no pain) to 10 (extreme pain) in order to evaluate the effect of SPB in preventing chronic pain
Time frame: 3 months after surgery
the change trend of Numerical Rating Scale (NRS) after surgery
Pain intensity of patients was evaluated by Numerical Rating Scale, rating from 0 (no pain) to 10 (extreme pain) in order to evaluate the analgesic effect of SPB
Time frame: 0-24 hours after operation
Morphine consumption
extra need of analgesic
Time frame: 0-24 hours after operation
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