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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03449680
Other study ID # 2016-0119-B
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date March 4, 2018
Est. completion date December 2024

Study information

Verified date April 2024
Source Women's College Hospital
Contact Didem Bozak
Phone 416-323-6400
Email didem.bozak@wchospital.ca
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Hip arthroscopy surgery can be associated with significant pain. A regional anesthesia technique, the femoral articular branch block (FAB), has recently been proposed to collectively block terminal femoral and accessory obturator nerve branches to the hip joint with a single injection, theoretically blocking most of the innervation relevant to hip arthroscopy while sparing the main femoral nerve branches to the quadriceps muscles. The investigators aim to demonstrate the analgesic benefits of FAB. The investigators hypothesize that FAB will reduce opioid consumption and improve postoperative quality of recovery in patients having hip arthroscopy. This is a randomized, controlled, double-blind study and half the patients will be randomized to receive the femoral articular branch block and the other half of patients will be randomized to receive a placebo block. A comparison of pain will be made between both groups.


Description:

Hip arthroscopy is a surgical technique that is gaining popularity for its diagnostic and therapeutic role in the management of adult hip pain. This procedure is frequently associated with severe post-operative pain despite the practice of injecting the hip joint with local anesthetics at the end of the procedure and the use of intraoperative opioids. The ideal analgesic technique that provides adequate pain relief following this procedure has not been established yet. There is evidence to suggest that a femoral nerve block (FNB) may provide clinically meaningful analgesia. The investigators have examined the benefits of FNB both retrospectively and prospectively in hip arthroscopy patients at Women's College Hospital (WCH). Both of our studies suggested modest benefits of the FNB in terms of controlling post-operative pain and reducing opioid consumption. However the majority of patients continued to experience moderate to severe post-operative pain and required significant amounts of opioid analgesics in the Peri-Anesthesia Unit (PAU), despite receiving the FNB. Another regional anesthesia technique, the femoral articular branch block (FAB) has recently been proposed to collectively block the terminal femoral and accessory obturator nerve branches to the hip joint with a single injection, theoretically blocking most of the innervation relevant to hip arthroscopy while sparing the main femoral nerve branches to the quadriceps muscle. The investigators aim to demonstrate the analgesic benefits of FAB.


Recruitment information / eligibility

Status Recruiting
Enrollment 94
Est. completion date December 2024
Est. primary completion date September 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 60 Years
Eligibility Inclusion Criteria: - American Society of Anesthesiologists (ASA) physical classification system, ASA I-III patients - 18 - 60 years of age - Body Mass Index (BMI) <35 kg/m2 Exclusion Criteria: - Pre-existing neurological deficits or peripheral neuropathy in the distribution of femoral, obturator, or lateral cutaneous nerves - Local infection - Contra-indication to regional anesthesia e.g. bleeding diathesis, coagulopathy - Chronic pain disorders - History of using over 30mg of oxycodone or equivalent per day - Contraindication to a component of multi-modal analgesia - Allergy to local anesthesia - History of significant psychiatric conditions that may affect patient assessment - Pregnancy - Inability to provide informed consent - Patient refusal of femoral articular branch block - Revision arthroscopy surgeries

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Femoral Articular Branch Block
Slow injection (3mL aliquots) of local anesthetic solution (20ml of Ropivacaine 0.5%) into the fascia above the iliopsoas muscle (located in the groove between the two bony landmarks - (1)anterior inferior iliac crest and (2)iliopubic eminence).This is done by ultrasound guidance.
Placebo Block
Subcutaneous injection of 1ml normal sterile saline

Locations

Country Name City State
Canada Women's College Hospital Toronto Ontario

Sponsors (1)

Lead Sponsor Collaborator
Women's College Hospital

Country where clinical trial is conducted

Canada, 

References & Publications (12)

Baber YF, Robinson AH, Villar RN. Is diagnostic arthroscopy of the hip worthwhile? A prospective review of 328 adults investigated for hip pain. J Bone Joint Surg Br. 1999 Jul;81(4):600-3. doi: 10.1302/0301-620x.81b4.8803. — View Citation

Baker JF, Byrne DP, Hunter K, Mulhall KJ. Post-operative opiate requirements after hip arthroscopy. Knee Surg Sports Traumatol Arthrosc. 2011 Aug;19(8):1399-402. doi: 10.1007/s00167-010-1248-4. Epub 2010 Sep 9. — View Citation

Birnbaum K, Prescher A, Hessler S, Heller KD. The sensory innervation of the hip joint--an anatomical study. Surg Radiol Anat. 1997;19(6):371-5. doi: 10.1007/BF01628504. — View Citation

Dee R. Structure and function of hip joint innervation. Ann R Coll Surg Engl. 1969 Dec;45(6):357-74. No abstract available. — View Citation

Dold AP, Murnaghan L, Xing J, Abdallah FW, Brull R, Whelan DB. Preoperative femoral nerve block in hip arthroscopic surgery: a retrospective review of 108 consecutive cases. Am J Sports Med. 2014 Jan;42(1):144-9. doi: 10.1177/0363546513510392. Epub 2013 N — View Citation

GARDNER E. The innervation of the hip joint. Anat Rec. 1948 Jul;101(3):353-71. doi: 10.1002/ar.1091010309. No abstract available. — View Citation

Larson CM, Swaringen J, Morrison G. A review of hip arthroscopy and its role in the management of adult hip pain. Iowa Orthop J. 2005;25:172-9. — View Citation

Lee EM, Murphy KP, Ben-David B. Postoperative analgesia for hip arthroscopy: combined L1 and L2 paravertebral blocks. J Clin Anesth. 2008 Sep;20(6):462-5. doi: 10.1016/j.jclinane.2008.04.012. — View Citation

Short AJ, Barnett JJG, Gofeld M, Baig E, Lam K, Agur AMR, Peng PWH. Anatomic Study of Innervation of the Anterior Hip Capsule: Implication for Image-Guided Intervention. Reg Anesth Pain Med. 2018 Feb;43(2):186-192. doi: 10.1097/AAP.0000000000000701. — View Citation

Suzuki S, Awaya G, Okada Y, Maekawa M, Ikeda T, Tada H. Arthroscopic diagnosis of ruptured acetabular labrum. Acta Orthop Scand. 1986 Dec;57(6):513-5. doi: 10.3109/17453678609014781. — View Citation

Ward JP, Albert DB, Altman R, Goldstein RY, Cuff G, Youm T. Are femoral nerve blocks effective for early postoperative pain management after hip arthroscopy? Arthroscopy. 2012 Aug;28(8):1064-9. doi: 10.1016/j.arthro.2012.01.003. Epub 2012 Apr 11. — View Citation

Xing JG, Abdallah FW, Brull R, Oldfield S, Dold A, Murnaghan ML, Whelan DB. Preoperative Femoral Nerve Block for Hip Arthroscopy: A Randomized, Triple-Masked Controlled Trial. Am J Sports Med. 2015 Nov;43(11):2680-7. doi: 10.1177/0363546515602468. Epub 20 — View Citation

* Note: There are 12 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Analgesic Consumption Postoperative cumulative oral morphine equivalent consumption during the first 24 hours will be the first primary outcome 24 hours postoperatively
Primary Quality of Life scores Quality of Recovery (QR15) scores at 24 hours will be the second primary outcome.
QR15 is a measurement of quality of recovery after surgery and anesthesia that has been psychometrically tested and validated. Reporting of outcome measures on a scale of 0 to 10 (0=None of the time and 10=All of the time). There are a total of 40 items/questions.
24 hours postoperatively
Secondary Pain Assessment (VAS) Visual Analogue Scale(VAS) - Pain:Overall pain assessed at rest and on movement A continuous scale comprised of a 100mm (10cm) horizontal line, anchored by 2 verbal descriptions No Pain to Worst Pain Up to 48 hours post-operatively and at 7-day mark
Secondary Analgesic Consumption Consumption intra-operatively, total in-hospital postoperative consumption, and time to first analgesic request in the first 24 hours, cumulative oral morphine equivalent Up to 48 hours following surgery
Secondary Presence of Block-related complications vascular puncture, hematoma formation, intravascular injection, epidural anesthesia-bilateral sensory block Presence/ absence of residual paresthesia or numbness over femoral, obturator, and lateral cutaneous nerves distribution Up until one month following nerve block
Secondary Incidence of opioid-related side effects nausea, vomiting, pruritus, sedation Up until one month following nerve block
Secondary Patient Satisfaction with Analgesic Technique A Patient Diary will be completed to assess overall satisfaction with analgesic technique One month after surgery
Secondary Demographic Data Patient demographics - There is no scale, just questions asked of the participant. Day 1 - first 24 hours
Secondary Turn over time PAU leaving time after surgery up to discharge, assessed up to 24 hours
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