Continuous Lumbar Plexus Block With and Without Parasacral Block in Patients Undergoing Total Hip Replacement

• Status: Terminated
• Trial end date: 2014-06-17
• Target enrollment: 0
• Participant gender: All

Summary

The purpose of this research study is to evaluate the analgesic efficacy of adding a single shot parasacral (sciatic) nerve block to a continuous lumbar plexus block in patients undergoing total hip replacement.

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

Details

• Lead Sponsor: Rita Merman; University of Pittsburgh
• Treatments: Anesthetics; Anesthetics, Local; Bupivacaine; Ropivacaine

Criteria

Inclusion Criteria:

1. Subject has signed and dated an Informed Consent Form.

2. Subject is classified as a ASA (American Society of Anesthesiologists) status I-III

3. Subject is age 18- 75 years old.

4. Subject is having primary total hip arthroplasty

5. No contraindication to peripheral nerve catheter ( local infection or hypocoagulable state)

6. Patient willing to receive spinal anesthesia as operative anesthesia

7. No known drug allergies to study medications

8. Patients not expected to receive therapeutic anticoagulation in the postoperative period.

Exclusion Criteria:

1. Subject inability to provide adequate informed consent.

2. Age younger than 18 years or older than 75 years

3. Any contraindication to the placement of lumbar plexus catheter, including local infection, hypocoagulable state.

4. ASA (American Society of Anesthesiologists) physical status of IV or greater

5. Any chronic painful conditions

6. Preoperative opioid use

7. Coagulation abnormalities or patients who are expected to be on therapeutic anticoagulants postoperatively