Volume Versus Concentration: Clinical Effectiveness of Single Shot Quadrates Lumborum Block Using Either a High Volume/Low Concentration or Low Volume/High Concentration Injectate for Total Hip Arthroplasty.
Acute Pain
About this trial
This is an interventional treatment trial for Acute Pain focused on measuring Hip, Anesthesia,conduction, arthroplasty
Eligibility Criteria
Inclusion Criteria:
Patients 18-80 years old Patients undergoing total hip arthroplasty BMI 19-45, >50 kg Male and Female All races American Society of Anesthesiologists physical status classification I, II, III Spinal Anesthesia Provided
Exclusion Criteria:
Pregnancy Non english speaking or inability to participate in the study Patients with coagulopathy or With INR >1.5 the day of the surgery. pharmacologic coagulopathy: patients on xarelto, plavix, or any kind of "Blood Thinners" Chronic steroid use: patients with consumption of steroid for more than 3 months.
Chronic pain: pain for more than 3 months Chronic opiate use : consumption of opioids for more than 3 months.
Sites / Locations
- University of pittsburgh
- UPMC shadyside hospital
Arms of the Study
Arm 1
Arm 2
Active Comparator
Experimental
Low Volume group
High Volume group
30 subjects randomized to Low Volume will receive unilateral Quadratus Lumborum block type II. Each block of 0.375% Bupivacaine x 20 ml
30 subjects randomized to High Volume will receive unilateral Quadratus lumborum block Type II. Each block of 0.375% Bupivacaine x 20 mL + Normal Saline Solution 20 mL