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Video preload image for Open Reduction and Internal Fixation of a Trimalleolar Ankle Fracture
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  • 1. Introduction
  • 2. Prep
  • 3. Fibular Fixation
  • 4. Syndesmotic Fixation
  • 5. Medial Malleolus Fixation
  • 6. Final Images
  • 7. Irrigation and Wound Closure
  • 8. Post-op Remarks

Open Reduction and Internal Fixation of a Trimalleolar Ankle Fracture

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Michael J. Weaver, MD
Brigham and Women's Hospital

Procedure Outline

After the operative leg has been marked, anesthesia is induced, and the patient is brought to the operating room.

  1. Leg Positioning
    • Patient positioned supine with arms out or tucked
    • Trochanter roll placed under patient
  2. Prep/Sterilization of Surgical Site
    • Shave surgical site
    • Wash and sterilize entire leg
  3. Draping
  4. Cover Site with Ioban Adhesive Sterile Sheet
    • Seal calf and toes
  5. Make Skin Markings
  6. Apply Tourniquet
    • Exsanguinate the extremity up to the thigh
    • Apply pressure
  7. Surgical Time Out
    • Identify patient, problem, correct side, procedure to be performed, medications given prior to procedure, expected time to completion
  1. Make a Lateral Skin Incision
    • Along subcutaneous border of fibula
    • Angle slightly anteriorly distally
  2. Incision into Fascia
    • Superficial peroneal nerve branches at subcutaneous or fascial level
    • Once on bone, make space for plate
    • Expose fracture site with a 2-mm periosteotomy on each side
    • Clean out fracture site with small curette
  3. Perform Fibular Reduction with Pointed Reduction Forceps
    • Grab distal fibula and pull traction to achieve length
  4. Fit and Contour Fibular Plate
    • Contour six-hole ⅓ tubular plate using locking towers for grip to match distal fibula
    • Position and use K-wires to fix provisionally
  5. Proximal Non-locking Screw
    • Drill through both fibular cortices with a 2.5-mm drill
    • Use depth gauge to determine length
    • 4.0-mm non-locking screws should be used initially to contour plate to the bone
    • Note: Using slightly longer screws allows for better purchase in the medial cortex
  6. Distal Non-locking Screw
    • Repeat above steps
  7. Fill Remaining Gaps with Locking Screws
    • It is important to use locking screws, especially distally at the level of the lateral malleolus, to prevent skin irritation due to prominence
    • Once complete, use clamps to pull on fibula (Cotton test) and assess status of syndesmosis
  1. Exposure of Syndesmosis
  2. Provisional K-Wire Fixation
    • Fix the Tillaux fragment to the tibia
    • Use a second K-wire to fix the fibula to the tibia
  3. First 3.5-mm Syndesmotic Tricortical Screw
    • Drill through three cortices with 3.2-mm drill
    • Drill to, but not through, the medial cortex of the tibia
    • Measure with depth gauge
    • Use a 4.5-mm cortical screw
  4. Lag Screw Fixation of Tillaux Fracture
    • Drill through fragment into tibia with 3.2-mm drill
    • Use 4.0-mm partially threaded cancellous screw to lag by design
  5. Second 3.5-mm Syndesmotic Tricortical Screw
    • Repeat steps for first syndesmotic screw
  1. Prep Medial Side
    • Mark approach - in this case, a curved approach anterior to the medial malleolus
  2. Make Medial Incision
    • Be cautious of the posterior tibial tendon and saphenous nerve
  3. Reduce Fragment with Pointed Reduction Clamps
  4. Provisional K-Wire Fixation
    • Use two K-Wires to keep fragment from rotating
  5. First Tibia Lag Screw
    • Drill though fragment into tibia with 3.2-mm drill
    • Use 4.0-mm partially threaded cancellous screw
  6. Second Tibia Lag Screw
    • Repeat above steps
  1. Take AP and Lateral x-ray Images to confirm reduction and construct placement

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Authors

Filmed At:

Brigham and Women's Hospital

Article Information

Publication Date
Article ID22
Production ID0094
Volume2023
Issue22
DOI
https://doi.org/10.24296/jomi/22