Not involved
Conditions
Interventions
Control group:The operators in the control group will perform the procedure by visualizing the conventional ultrasound images displayed directly on the ultrasound screen. Each operator will perform in
Experimental: MR+HMD group:In the MR + HMD group, the ultrasound machine will be located behind the operator to remove the distraction, and the operator will not be allowed to see the ultrasound scree
Sponsors
The Second Affiliated Hospital of Anhui Medical University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: Wireless mixed reality ultrasound glasses for interscalene brachial plexus block application: Patients: Age = 18 years, patients who voluntarily undergo ultrasound-guided interscalene brachial plexus block, and sign an informed consent form Doctor: Attending anesthesiologist with 5 years of experience in nerve block;
Exclusion criteria
Exclusion criteria: Patient: declined to participate in the study; The puncture site has infection, abnormal coagulation function, abnormal mental incompatibility or nerve injury. Serious heart, respiratory, kidney or liver disease; Abnormal coagulation function; Chronic pain disease existed before operation; Using analgesics or receiving psychotropic medication; Allergic to local anesthetics or ultrasonic coupling agents; Doctor: Less than 5 years of experience in nerve block.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total duration of nerve block ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Time from the probe to the skin breaking (T1);Operator's head movement; Time from the puncture needle breaking the skin to entering the target area (T2);Duration of the needle tip visible on the ultrasound image (T3) ;The adequacy of drug infiltration around the target nerve was recorded;Ultrasound scan time;Total number of needle redirections;Sensory and motor block scores after 30 minutes of block;Patient's pain scale score during the interscalene brachial plexus block;The incidence and severity of complications;Satisfaction score of patients; Satisfaction score of operators; | — |
Countries
China
Contacts
Public ContactLingling Jiang
The Second Affiliated Hospital of Anhui Medical University
Outcome results
None listed