Duke University
The purpose of this study is to determine if changing the type of anesthesia improves the outcomes of manipulation and pain control after the procedure. The study will compare a spinal anesthesia with a general anesthesia, to see if there is a better outcome from either anesthesia type.
Inclusion: 1. Patients ≥18 years presenting for a manipulation of knee joint under anesthesia. 2. ASA Classification I - III. 3. English speaking patients. Exclusion: 1. ASA 4 or 5 2. Daily chronic opioid use (over 3 months of continuous opioid use). 3. Inability to communicate pain scores or need for analgesia. 4. Infection at the site of block placement 5. Age under 18 years old or greater than 75 years old 6. Pregnant women (as determined by point-of-care serum bHCG) 7. Intolerance/allergy to local anesthetics 8. Weight \<50 kg 9. Suspected, or known addiction to or abuse of illicit drug…
Administration of spinal anesthesia for knee manipulation.
Administration of general anesthesia for knee manipulation.
Patients undergoing general anesthesia will receive an induction dose of propofol that will be titrated to effect, and airway support as needed until the patient is appropriately anesthetized for the procedure as determined by the anesthesia and surgical care teams.
Patients undergoing spinal anesthesia will receive a spinal injection under standard aseptic technique, with 45mg chloroprocaine.
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