Single Shot vs 24hr vs 48hr Continuous Adductor Canal Block After TKA

• Status: Completed
• Trial end date: 2017-01-01
• Target enrollment: 0
• Participant gender: All

Summary

The purpose of this study is to compare a single shot block, 24 hours, and 48 hour continuous catheter nerve block done via the adductor canal method in adult patients who have under gone total knee arthroplasty. Visual analogue scores, opioid consumption, time to up and go, ambulation, manual muscle tests, and Tinetti scores up to 72 hours post operatively will be used for comparison.

• Phase: N/A
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: University of Pennsylvania

Criteria

Inclusion Criteria:

• Patients scheduled for primary total knee arthroplasty

• American Society of Anesthesiologists (ASA) physical status I -III

• mentally competent and able to give consent for enrollment in the study

Exclusion Criteria:

• Patient younger than 18 years old

• Allergy to local anesthetics, systemic opioids (fentanyl, morphine, hydromorphone, and any of the drugs included in the multimodal perioperative pain protocol (MP3)

• Revision surgery

• Impaired kidney functions and patient with coagulopathy

• Chronic pain syndromes; Patients will be defined to have chronic pain if they are using regular daily doses of systemic narcotics for the past 3 months prior to the surgery

• BMI of 40 or more

• Pregnancy (positive urine pregnancy test result in Preop area on morning of surgery)