Opiate Sparing Versus Opiate Based Following Shoulder Arthroplasty

This is a single center, investigator initiated, prospective, randomized, controlled trial conducted among patients who have given voluntary consent to participate. Participation will last until the completion of the twelve weeks standard of care follow up visit.

Inclusion criteria

• Primary shoulder arthroplasty
• 18-85 years of age
• Body Mass Index greater than or equal to 45
• Willing and able to provide written informed consent
• Willing and able to cooperative in the required postoperative therapy
• Willing and able to complete scheduled follow-up evaluations
• Fluent in verbal and written English

Exclusion criteria

• Less than 18 years or over 85 years of age
• Unable to provide written informed consent, cooperate with postoperative therapy, or complete follow-up evaluations
• Known sensitivity, allergy, or intolerance to medications with protocols
• Renal disease as defined by active or impending dialysis within six months or kidney transplant
• Concomitant ipsilateral upper extremity injury or condition other than shoulder that compromises function
• Chronic pain syndrome
• Five consecutive days of opiate use with the previous ninety days
• Worker's compensation claim
• Women who are pregnant, planning to become to become pregnant, or breastfeeding