None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Aged between 18 and 80 years; 2) American Society of Anesthesiologists (ASA) physical status I-III; 3) undergoing elective arthroscopic shoulder surgery.
Exclusion criteria
Exclusion criteria: 1) Inability to consent to the study; 2) inability to communicate; 3) preexisting severely obstructive or restrictive pulmonary disease; 4) body mass index > 35 kg/m2; 5) coagulopathy; 6) hepatic or renal failure; 7) pregnancy; 8) allergy to local anesthetics; 9) chronic opioid use; 10) prior surgery to the neck or supraclavicular region; 11) preexisting neuropathy or myopathy of the surgical extremity; 12) infection of puncture site; 13) undergoing revision, irrigation and debridement surgeries.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| sensory and motor block;pain intensity;postoperative morphine consumption;block duration;patient's satisfaction with analgesia;adverse effects; | — |
Primary
| Measure | Time frame |
|---|---|
| hemidiaphragmatic paralysis; | — |
Countries
China
Contacts
Department of Anesthesiology, Beijing Hospital