Randomized control study that compares different concentrations of local anesthetic to investigate whether a lower concentration of local anesthetic would contribute to lower rebound pain scores at 24 hours post op in patients undergoing anatomic or reverse total shoulder arthroplasty.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
DOUBLE
Enrollment
168
We are comparing two concentrations of the same drug: 10 ml of 0.5% and 20 ml of 0.25%; We will use the same milligram dose (50 mg).
UVA Health
Charlottesville, Virginia, United States
Max NRS Pain Score at 24 hours
Patients will be Assessed 24 hours after intervention for a pain score between 0 and 10, 10 being the worst pain imaginable.
Time frame: 24 hours after intervention; will also be assessed at 48 and 72 hours, though these are not the primary outcome for the study.
Qor15 score questionnaire.
Patient will answer QoR15 questionnaire
Time frame: 24, 48 and 72 hours.
Lowest NRS pain score
Patient will be assessed for lowest NRS pain scores
Time frame: 24, 48, 72 hours
Opioid Use
Total doses used will be converted to MMEs.
Time frame: Assessed at 72 hours
Sensory Block Duration
We will ask the patient how long they felt the nerve block was effective, in terms of hours.
Time frame: Assessed at 24 hours.
Presence of dyspnea/shortness of breath
We will ask the patient if they ever had trouble breathing or shortness of breath during the duration of the block.
Time frame: Assessed at 24 hours.
Presence of Nausea or Vomiting
We will ask the patient if there was any incidence of nausea or vomiting.
Time frame: 24, 48, 72 hours
Presence of persistent paresthesia
We will ask the patient if there is any presence of persistent paresthesia.
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Time frame: 24, 48, and 72 hours.