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Difficulty: MediumOrthopedic Surgery

A 28-year-old male construction worker is brought to the emergency department after a heavy concrete block fell on his right leg. His airway is patent, breathing is unlabored, and he is hemodynamically stable. The primary trauma survey reveals no other life-threatening injuries. Examination of the right lower extremity shows a 5-centimeter laceration over the anterior tibia with exposed, fragmented bone and moderate oozing of blood. The right foot is warm, with palpable dorsalis pedis and posterior tibial pulses. Motor and sensory exams of the foot are intact. Arrange the following management steps in the most appropriate chronological order.

  1. 1Administer intravenous broad-spectrum antibiotics and tetanus prophylaxis.
  2. 2Apply a sterile saline-soaked dressing and immobilize the leg in a splint.
  3. 3Obtain orthogonal radiographs of the right lower extremity.
  4. 4Proceed to the operating room for formal surgical irrigation and debridement.
  5. 5Perform definitive skeletal stabilization and soft tissue coverage.

Answer

The correct sequence is: Administer IV antibiotics/tetanus, apply a sterile dressing and splint, obtain radiographs, perform OR irrigation and debridement, and finally perform definitive skeletal stabilization.
The management of an open fracture follows a strict chronological protocol to minimize the risk of infection and further injury. After the primary ATLS survey confirms hemodynamic stability, the immediate priority is the administration of intravenous antibiotics and tetanus prophylaxis. Studies show that early administration (ideally within 60 minutes) significantly reduces the risk of osteomyelitis. Next, the wound must be covered with a sterile dressing and the limb immobilized in a splint. Doing this prior to obtaining imaging is crucial; it prevents the sharp bone fragments from causing secondary soft tissue or neurovascular injury during transport. Once the extremity is safely immobilized, orthogonal radiographs are obtained to assess the fracture pattern. The patient is then taken to the operating room for formal surgical irrigation and debridement of all devitalized tissues. Finally, definitive skeletal stabilization (such as intramedullary nailing or external fixation) and soft tissue coverage are performed.

Step-by-Step Solution

1
Administer intravenous broad-spectrum antibiotics and tetanus prophylaxis.
Infection risk is mitigated.
Early administration of antibiotics (ideally within 1 hour) is the single most important intervention in decreasing the risk of infection in open fractures.
2
Apply a sterile saline-soaked dressing and immobilize the leg in a splint.
The fracture is protected from further injury.
Splinting immobilizes the sharp bone ends, preventing secondary neurovascular injury, reducing pain, and protecting the soft tissues during patient movement.
3
Obtain orthogonal radiographs of the right lower extremity.
The fracture pattern is visualized.
Once the limb is protected in a splint, imaging can be safely obtained to evaluate the bony injury and allow for proper surgical planning.
4
Proceed to the operating room for formal surgical irrigation and debridement.
Contaminants and necrotic tissue are removed.
Thorough surgical debridement of devitalized muscle, skin, and bone is required for all open fractures to prevent deep infection.
5
Perform definitive skeletal stabilization and soft tissue coverage.
The bone heals in appropriate alignment.
Final stabilization and wound closure conclude the acute management phase, although this step is sometimes staged depending on wound contamination.

Key Concept

Acute management sequence for open fractures
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Topics

Orthopedic Surgery

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