Recruitment
mental illness, liver or kidney insufficiency, fracture, allergy, clavicular fracture, coagulation dysfunction
DISORDER, CARDIOVASCULAR DISEASE, ALLERGY, CHRONIC PAIN, PUNCTURE SITE INFECTION
This trial involved human participants, human material, and human data was therefore conducted in accordance with the Declaration of Helsinki and have been approved by the Ethics Committee of Chongqing Wansheng Economic Development Zone People’s Hospital (2021ky04); the study was prospectively registered at the Chinese Clinical Trial Registry (Number: ChiCTR2200064642, Date: 13/10/2022). All patients were informed of the risks and benefits of participating in this trial and signed a consent form before being enrolled. For this randomized, controlled, single-blind study, 40 patients with unilateral clavicular fracture who were scheduled to undergo open reduction and internal fixation from November 2022 to February 2023 in Chongqing Wansheng Economic Development Zone People’s Hospital were selected. Eligibility criteria for study participation: male or female, aged over 18 years old and an ASA class II to III. Exclusion criteria: concomitant fracture of other parts, serious cardiovascular disease, liver or kidney insufficiency, chronic pain, mental illness, inability to cooperate, language communication disorder, history of allergy to local anaesthetics, puncture site infection, and history of neck surgery, coagulation dysfunction. A nurse who did not participate in the surgery used a random number table to divide the patients into a superficial cervical plexus block group (group S, n = 20) and a superficial cervical fascial block group (group F, n = 20). A random number table was used to randomize the patients to the groups at a 1:1 ratio.