Preemptive Femoral & Lateral Femoral Cutaneous Nerve Blocks for THA Acute Pain
| Status: | Terminated |
|---|---|
| Conditions: | Post-Surgical Pain |
| Therapuetic Areas: | Musculoskeletal |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 10/5/2018 |
| Start Date: | July 2013 |
| End Date: | March 2014 |
Are Preemptive Femoral and Lateral Femoral Cutaneous Nerve Blocks Given Immediately Prior to Hip Arthroscopy(THA) Effective for Acute Postoperative Pain Management?
The goal of the study is to evaluate via a prospective, blinded, randomized clinical trial,
whether ultrasound-guided single femoral and lateral femoral cutaneous nerve blocks with
ropivacaine 0.5% with epinephrine (1:200,000) as a tracer for intravascular injection (total
30 ml) vs. saline with epinephrine (1:200,000) (total 30 ml), given just prior to same day
elective hip arthroscopy, is effective in reducing acute postoperative pain (NRS scores),
postoperative opiate consumption, and time to discharge from the postanesthesia care unit.
Differences between groups with respect to postoperative quality of life and functional
scores will also be evaluated.
whether ultrasound-guided single femoral and lateral femoral cutaneous nerve blocks with
ropivacaine 0.5% with epinephrine (1:200,000) as a tracer for intravascular injection (total
30 ml) vs. saline with epinephrine (1:200,000) (total 30 ml), given just prior to same day
elective hip arthroscopy, is effective in reducing acute postoperative pain (NRS scores),
postoperative opiate consumption, and time to discharge from the postanesthesia care unit.
Differences between groups with respect to postoperative quality of life and functional
scores will also be evaluated.
The purpose of this study is to evaluate whether ultrasound (using sound waves to produce an
image)-guided regional anesthesia (local numbing medicine) to the hip area given in addition
to general anesthesia just prior to same day elective hip arthroscopy, is effective in
reducing acute postoperative pain, and time to discharge from the post anesthesia care unit.
In addition, the study aims to examine whether this regional anesthesia medication has any
effect on the study subjects' use of pain medication both during and after the procedure,
return to function, and quality of life in the 6 month period after the surgical procedure.
Although hip arthroscopy is a routine procedure, the best method for pain control is not well
established, and is the purpose of this study.
image)-guided regional anesthesia (local numbing medicine) to the hip area given in addition
to general anesthesia just prior to same day elective hip arthroscopy, is effective in
reducing acute postoperative pain, and time to discharge from the post anesthesia care unit.
In addition, the study aims to examine whether this regional anesthesia medication has any
effect on the study subjects' use of pain medication both during and after the procedure,
return to function, and quality of life in the 6 month period after the surgical procedure.
Although hip arthroscopy is a routine procedure, the best method for pain control is not well
established, and is the purpose of this study.
Inclusion Criteria:
- >18 year old,
- ASA physical status classification system score (ASA) <=3
- due to undergo elective unilateral hip arthroscopy by one surgeon Dr. Nho
(Co-Principal Investigator)
Exclusion Criteria:
- ASA physical status classification system score) (ASA) >3
- history of opioid dependence or abuse
- current chronic analgesic therapy (daily use =>20 mg oxycodone-equivalent opioid use
within 2 weeks before surgery and duration of use >=4 weeks)
- allergy to study medications (fentanyl and ropivicaine)
- any neuromuscular deficit of the ipsilateral femoral nerve or quadriceps femoris
muscle (including diabetic peripheral neuropathy)
- diagnosis of hypertension and/or current treatment for hypertension
- pregnancy
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