Wide-Awake Local Anesthesia vs. Regional/General Anesthesia for Flexor Tendon Repair
NCT ID: NCT03135340
Last Updated: 2017-07-17
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
NA
88 participants
INTERVENTIONAL
2017-08-31
2033-11-30
Brief Summary
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Detailed Description
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Wide-awake flexor tendon repair using local anesthesia and epinephrine with no tourniquet has been described. Safety of epinephrine in digits makes it possible, and epinephrine-induced vasoconstriction precludes the need for a tourniquet and cautery.This approach allows a wide-awake, comfortable, non-sedated, cooperative, tourniquet-free patient to test the freshly repaired tendon with full active range of motion intraoperatively. The surgeon can inspect for bunching, gapping, and triggering of the repair site in an active fashion. Thus, an opportunity is available to revise the repair, trim or add extra sutures, revise pulley reconstruction, or de-bulk tendons before wound closure. This could mean that a higher quality repair is possible and could guide post-operative rehabilitation. It follows that if the patient is unable to achieve total active range of motion intraoperatively they will not be able to postoperatively and may end up requiring a tenolysis. Lalonde and colleagues looked retrospectively at their 15 years of experience using WALANT with the hypothesis that this technique decreased their post-operative rupture rate. With 122 patients there were only 3 ruptures, all due to unexpected forceful movements. Contraindications of this technique include patients who are unable or unwilling to tolerate an operation while awake, pediatric patients, those who are mentally impaired, and complex trauma.
Improved compliance with postoperative therapy is also reported after patients visualize the repair in real time and gain a better understanding of limitations and expectations. Patient buy-in to the rehabilitation process is potentially improved if the surgeon can use the operative time to educate the patient, show them the repair, and manage expectations since the patient is wide-awake and coherent. Wide-awake flexor tendon repair could also improve surgeon confidence in initiating a true active motion therapy protocol when the surgeon visualizes the absence of gapping with full finger flexion. Initiation of early active motion could subsequently improve ultimate post-operative range of motion and patient satisfaction. The advent of wide-awake flexor tendon repair could have economic implications as well given that fewer resources are theoretically used for the procedure.
Currently there are no prospective randomized controlled studies evaluating outcomes in flexor tendon repairs that have utilized a wide-awake anaesthesia protocol and comparing outcomes with traditional repair techniques.
The purpose of this study is to evaluate and compare outcomes of WALANT (wide-awake, local anesthetic, no tourniquet) when compared to traditional general/regional anesthetic for flexor tendon repairs in zone I and II.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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WALANT
These patients will receive local anesthetic for flexor tendon repair injected directly into the operative site on the hand. The local anesthetic used 1% lidocaine with 1:100,000 epinephrine.
WALANT
These patients will receive local anesthetic for flexor tendon repair injected directly into the operative site on the hand. The local anesthetic used 1% lidocaine with 1:100,000 epinephrine.
WALANT Injection
1% lidocaine with 1:100,000 epinephrine injected directly into operative site. The typical quantity is 5-10cc aliquots.
General/regional anesthesia
These patients will receive general/regional anesthesia for flexor tendon repair. This is ropivacaine 0.5% injected by an anesthetist under image-guidance in the axillary region of the arm. If the regional anesthesia is not functioning at the time of OR, this is converted to a general anesthetic as per standard protocol.
General/regional anesthesia
These patients will receive general/regional anesthesia for flexor tendon repair. This is ropivacaine 0.5% injected by an anesthetist under image-guidance in the axillary region of the arm. If the regional anesthesia is not functioning at the time of OR, this is converted to a general anesthetic as per standard protocol.
Regional Anesthetic Injection
0.5% ropivacaine injected under ultrasound guidance into the axilla. The typical quantity is 30-40cc aliquots.
Interventions
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WALANT
These patients will receive local anesthetic for flexor tendon repair injected directly into the operative site on the hand. The local anesthetic used 1% lidocaine with 1:100,000 epinephrine.
General/regional anesthesia
These patients will receive general/regional anesthesia for flexor tendon repair. This is ropivacaine 0.5% injected by an anesthetist under image-guidance in the axillary region of the arm. If the regional anesthesia is not functioning at the time of OR, this is converted to a general anesthetic as per standard protocol.
WALANT Injection
1% lidocaine with 1:100,000 epinephrine injected directly into operative site. The typical quantity is 5-10cc aliquots.
Regional Anesthetic Injection
0.5% ropivacaine injected under ultrasound guidance into the axilla. The typical quantity is 30-40cc aliquots.
Eligibility Criteria
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Inclusion Criteria
* acute single or multiple digit complete flexor tendon lacerations in zones I or II presenting to attending physicians who agree to participate in the study.
Exclusion Criteria
* segmental tendon loss
* associated finger fractures
* sub-acute or chronic ruptures (ruptures \> 6 weeks old)
* active or previous infection in the wound bed
* requirement of delayed repair
* complex or multisystem injuries
* multiple digit injuries
* significant joint injuries
* amputations (replants)
* mangled hand injuries.
18 Years
ALL
No
Sponsors
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University of Western Ontario, Canada
OTHER
Responsible Party
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Principal Investigators
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Ruby Grewal, MD MSc FRCSC
Role: PRINCIPAL_INVESTIGATOR
Western University, Canada
Central Contacts
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References
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Verdan CE. Half a century of flexor-tendon surgery. Current status and changing philosophies. J Bone Joint Surg Am. 1972 Apr;54(3):472-91. No abstract available.
Saldana MJ, Chow JA, Gerbino P 2nd, Westerbeck P, Schacherer TG. Further experience in rehabilitation of zone II flexor tendon repair with dynamic traction splinting. Plast Reconstr Surg. 1991 Mar;87(3):543-6. doi: 10.1097/00006534-199103000-00023.
Lilly SI, Messer TM. Complications after treatment of flexor tendon injuries. J Am Acad Orthop Surg. 2006 Jul;14(7):387-96. doi: 10.5435/00124635-200607000-00001.
Wilhelmi BJ, Blackwell SJ, Miller J, Mancoll JS, Phillips LG. Epinephrine in digital blocks: revisited. Ann Plast Surg. 1998 Oct;41(4):410-4. doi: 10.1097/00000637-199810000-00010.
Denkler K. A comprehensive review of epinephrine in the finger: to do or not to do. Plast Reconstr Surg. 2001 Jul;108(1):114-24. doi: 10.1097/00006534-200107000-00017.
Nodwell T, Lalonde D. How long does it take phentolamine to reverse adrenaline-induced vasoconstriction in the finger and hand? A prospective, randomized, blinded study: The Dalhousie project experimental phase. Can J Plast Surg. 2003 Winter;11(4):187-90. doi: 10.1177/229255030301100408.
Higgins A, Lalonde DH, Bell M, McKee D, Lalonde JF. Avoiding flexor tendon repair rupture with intraoperative total active movement examination. Plast Reconstr Surg. 2010 Sep;126(3):941-945. doi: 10.1097/PRS.0b013e3181e60489.
Lalonde DH. Wide-awake flexor tendon repair. Plast Reconstr Surg. 2009 Feb;123(2):623-625. doi: 10.1097/PRS.0b013e318195664c. No abstract available.
Lalonde DH. An evidence-based approach to flexor tendon laceration repair. Plast Reconstr Surg. 2011 Feb;127(2):885-890. doi: 10.1097/PRS.0b013e31820467b6.
Momeni A, Grauel E, Chang J. Complications after flexor tendon injuries. Hand Clin. 2010 May;26(2):179-89. doi: 10.1016/j.hcl.2009.11.004.
Dowd MB, Figus A, Harris SB, Southgate CM, Foster AJ, Elliot D. The results of immediate re-repair of zone 1 and 2 primary flexor tendon repairs which rupture. J Hand Surg Br. 2006 Oct;31(5):507-13. doi: 10.1016/j.jhsb.2006.06.006. Epub 2006 Aug 22.
Mustoe TA, Buck DW 2nd, Lalonde DH. The safe management of anesthesia, sedation, and pain in plastic surgery. Plast Reconstr Surg. 2010 Oct;126(4):165e-176e. doi: 10.1097/PRS.0b013e3181ebe5e9.
Strickland JW. Results of flexor tendon surgery in zone II. Hand Clin. 1985 Feb;1(1):167-79.
Other Identifiers
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UWO7788705772
Identifier Type: -
Identifier Source: org_study_id
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