Effect of Local Anesthetic Dose on Interscalene Block

• Status: Completed
• Trial end date: 2013-08-01
• Target enrollment: 0
• Participant gender: All

Summary

The purpose of this study is to determine if a decrease in the standard volume of local anesthetic used to numb your shoulder area before shoulder arthroscopy will provide adequate anesthesia for the procedure and decrease the amount of time until you are ready for discharge from the hospital.

• Phase: N/A
• Accepts Healthy Volunteers?: Accepts Healthy Volunteers

Details

• Lead Sponsor: Hospital for Special Surgery, New York
• Treatments: Anesthetics; Anesthetics, Local; Bupivacaine; Mepivacaine

Criteria

Inclusion Criteria:

• Age: 18 - 80 years old

• Surgical time < 2.5 hours

• ASA I, II or III

• Shoulder arthroscopy

Exclusion Criteria:

• Age < 18 or > 80 years old

• Chronic pain patients (on narcotics/opioids > 3 months)

• Open shoulder surgical procedure

• BMI > 40

• Pre-existing neurological condition

• Patient refusal of interscalene block

• Severe respiratory disease or hemidiaphragmatic dysfunction

• Allergy to any local anesthetics

• Planned general anesthesia