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Learn about treating all fractures as emergencies, types of open fractures, antibiotics, debridement, stabilization techniques, soft tissue reconstruction, and more for effective patient care. Study relevant classifications, examination procedures, antibiotic therapies, and bone grafting. Understand the importance of wound coverage, closure, complications like compartment syndrome, and indications for amputation, with valuable references included.
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Open Fracture Management Paul Fawson 1st Year Resident
Goals • Treat all frx as an emergency • Thorough exam of life threatening injuries • Begin abx • Debride type II-III frx • Stabilize the frx • Leave wound open for 5-7 days • Early autogenouscancellous bone grafting • Rehab the jacked-up extremity
Classification • Type I- < 1 cm. Moderately clean puncture, little soft tissue damage, no crushing injury, little comminution. Simple, transverse, or oblique frx • Type II- > 1 cm, no extensive soft tissue damage, slight/moderate crushing injury, moderate comminution and contamination. • Type III- Extensive soft tissue damage, comminution, and contamination. • IIIA- Adequate soft tissue coverage • IIIB- Loss of soft tissue • IIIC- Arterial injury that needs repaired
H & P • Preliminary Exam performed in the ER • History and Physical • Location? • Farm? Water contact to wound?
Sterile Dressing • Cover the Wound with Sterile dressing to prevent further contamination
Antibiotic Therapy • Immediate, appropriate and effective antibiotic therapy. • > 70% of open frx are contaminated at time of injury. • Gram – and aerobic gram + are most common • S. aureus, S. epidermitis, P. Aeruginosa, streptococcus, Enterobacteriaceae, B. fragilis
Antibiotic Therapy • Type I- Start 2.0 g of Cephalosporin (Cephazolin) upon admission • Then 1.0 g q 6-8 hours for 48-72 hours • Type II-III- Ceph + aminoglycoside • Add 10 million units of penicillin if frx occurred on a farm. • 3-7 days only • 3-7 days again with delayed procedures.
Debridement • Debridement of wound with copious intermittent lavage. • 5,000-10,000 mL of NS or DW • 2,000 mLbacitracin-polymyxin solution?? • Small puncture wounds and lacerations should be extended for adequate exposure. • Discard any small or large fragments or fragments of devitalized, unattached cortical bone. • Don’t put back bone found from the scene into the pt.
Soft Tissue Reconstruction • Early is recommended if a clean, stable wound has been achieved. • This is the key to reduce infection in type III • Keep wound moist until complete coverage in 5-7 days.
Stabilization of Fracture • Osseous stability reduces the risk of infection and protects the integrity of the remaining soft tissue • External • Ease of application with minimal operative trauma • Maintenance of access to the wound • Good option for type III
Stabilization of Fracture • Intramedullary nailing with reaming • Not recommended with open tibialfrx. A large study showed 6% infx rate with IM nail compared to 0-1% infx rate in open frx management • Plate and screws • Indicated for displaced intra-articular and metaphysealfrx of LE.
Splints and casts • Plaster cast can be used for a stable, isolated type I frx until wound is healed. After this, immobilized in a cast • Avoid circular cast in acute stage.
Coverage and Closure of Wound • Goal is safe, early closure of wound in 7-10 days. • Type I-IIIA, delayed primary closure in 5-7 days • IIIB-IIIC, multiple debridements required • Clinical decision to determine is infection is still present.
Compartment Syndrome • 3-9% of open tibialfrx found to have compartment syndrome • Recommends decompressivefasciotomies to all 4 leg compartments.
Bone grafts • Blood flow is imperative • Autogenouscancellous bone grafting is indicated with loss of bone or marked comminution after wound has healed (2-3 weeks) • Type III- delay grafts to 6 weeks after wound heals.
Amputation • 2 absolute indications for primary amputation • A type IIIC with disruption of post tib nerve and… • IIIC with loss of soft tissue, massive contamination, severe comminution, or massive loss of bone. • Or type IIIC remained untreated for > 8 hours. • Delayed amputation is more $$$ and tends to be a more proximal amputation vs primary amputation.
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