Post-Operative Pain
Conditions
Brief summary
This study is designed to evaluate lung function and pain control of continuous supraclavicular versus suprascapular versus interscalene nerve catheters in subjects undergoing total shoulder replacement. The investigators hypothesize that all three groups would have similar pain control; the supraclavicular and suprascapular groups may have better lung function.
Interventions
PROCEDUREContinuous Nerve Block
Sponsors
Benaroya Research Institute
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Unilateral total shoulder arthroplasty * ASA physical status I-III * \>18 years old * Non-pregnant (or lactating) * Consent to participate in the study
Exclusion criteria
* Refusal to participate * \< 18 years old * Chronic opioid use * Localized infection * Pregnancy or lactating * Pre-existing coagulopathy * Allergy to ultrasound gel or local anesthetics * Diaphragmatic dysfunction
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Lung function | Post-Operative Day 1 | Vital Capacity, Spirometry |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Pain | Post Operative Day 1 | NRS Pain Scale |
| Opioid Consumption | Post Operative Day 1 | Total opioid consumption x 24 hours |
| Sensory and Motor Function | Post Operative Day 1 | Sensory Dermatome assessment C4 - C8 to touch; Motor assessment of grip and biceps with dynometer |
Countries
United States
Outcome results
None listed