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Difficulty: MediumOrthopedic Surgery

A 32-year-old man is brought to the emergency department after a high-speed motorcycle collision. His airway is patent, breathing is unlabored, and he is hemodynamically stable. Examination reveals a grossly deformed right lower leg with a 4-cm anteromedial laceration through which fractured bone fragments are visible. The wound is oozing dark blood, but there is no pulsatile bleeding.

Arrange the following steps in the most appropriate sequential order for the acute management of this patient's orthopedic injury.

  1. 1Assess the distal neurovascular status of the injured extremity.
  2. 2Administer intravenous antibiotics and tetanus prophylaxis.
  3. 3Apply a sterile dressing to the wound and immobilize the limb with a splint.
  4. 4Obtain orthogonal plain radiographs of the tibia and adjacent joints.
  5. 5Transfer the patient to the operating room for formal irrigation and debridement.

Answer

The correct sequence of acute management is: 1) Assess neurovascular status, 2) Administer intravenous antibiotics and tetanus prophylaxis, 3) Apply a sterile dressing and splint, 4) Obtain radiographs, and 5) Transfer to the operating room for definitive surgical care.
In the acute management of an open fracture, following the primary survey (ABCDEs), the immediate next step is to evaluate the limb's neurovascular status to establish a baseline. Because the risk of infection is the most significant complication, intravenous antibiotics must be given as quickly as possible (typically a first-generation cephalosporin, with or without an aminoglycoside depending on wound severity). After these immediate steps, the wound should be covered with a sterile dressing and splinted to prevent further soft tissue injury. Only when the limb is stabilized should the patient be sent for radiographs. Finally, the patient is taken to the operating room for definitive surgical irrigation, debridement, and stabilization.

Step-by-Step Solution

1
Perform a primary and secondary survey, immediately assessing the distal neurovascular status of the injured limb.
Baseline vascular (pulses, capillary refill) and neurologic (motor, sensory) function is documented.
Manipulation or splinting can alter the neurovascular exam; a baseline is essential to identify immediate surgical emergencies like arterial transection.
2
Order and administer broad-spectrum intravenous antibiotics and update tetanus prophylaxis.
Systemic antimicrobial coverage is achieved early in the patient's presentation.
Time-to-antibiotic administration is the most critical prognostic factor in preventing deep bone infection (osteomyelitis) in open fractures.
3
Cover the open wound with a sterile saline dressing and apply a temporary splint.
The wound is protected from hospital flora and the unstable bone ends are immobilized.
Immobilization controls pain, minimizes ongoing soft tissue damage, and protects the limb during subsequent movements for imaging.
4
Transport the patient for orthogonal plain radiographs of the tibia, including the knee and ankle.
The exact fracture morphology and joint involvement are visualized.
Imaging is required for surgical planning, but must only be done after the limb is safely splinted to avoid displacing bone fragments.
5
Transfer the patient to the operating room.
Formal surgical irrigation, debridement, and fracture fixation are performed.
This is the definitive treatment for open fractures to ensure a clean wound bed and provide skeletal stability.

Key Concept

The initial management of an open fracture prioritizes early neurovascular assessment and prompt antibiotic administration before splinting, imaging, and definitive surgical care.
Estimated Time:1m 30s
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Orthopedic Surgery

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