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Zorluk: KolayCardiothoracic and Vascular Surgery

A 35-year-old man is brought to the emergency department after sustaining a knife wound to his left medial thigh during an altercation. Paramedics placed a bulky pressure dressing at the scene. His temperature is 37.1°C (98.8°F), blood pressure is 112/72 mm Hg, and heart rate is 108/min. On physical examination, removal of the dressing reveals a 4-cm laceration over the medial thigh with active, pulsatile hemorrhage and a rapidly expanding hematoma. The left foot is cool to the touch, and the left dorsalis pedis and posterior tibial pulses are absent. The right lower extremity has normal 2+ pulses. Which of the following is the most appropriate next step in management?

  1. Immediate surgical explorationCevap
  2. B
    Computed tomography angiography of the lower extremities
  3. C
    Duplex ultrasonography of the left lower extremity
  4. D
    Measurement of the ankle-brachial index
  5. E
    Local wound exploration at the bedside

Cevap

Immediate surgical exploration is required due to the presence of hard signs of vascular injury.
The correct answer is immediate surgical exploration. This patient has sustained penetrating trauma to an extremity and demonstrates multiple 'hard signs' of vascular injury: active pulsatile hemorrhage, a rapidly expanding hematoma, and absent distal pulses. The presence of any hard sign is a strong predictor of significant arterial injury requiring repair. The standard of care is to bypass imaging and proceed directly to the operating room for immediate surgical exploration and hemorrhage control to save the patient's life and limb.

Adım Adım Çözüm

1
Evaluate the patient's wound and neurovascular status for signs of arterial injury.
The patient exhibits active pulsatile bleeding, a rapidly expanding hematoma, and absent distal pulses.
Identifying the specific signs of vascular trauma dictates the urgency and type of intervention required.
2
Categorize the clinical findings as either 'hard signs' or 'soft signs' of vascular injury.
Pulsatile bleeding, expanding hematoma, and absent pulses are classified as hard signs.
The classification directly determines the treatment algorithm (OR vs. imaging).
3
Determine the appropriate intervention based on the presence of hard signs.
The patient must be taken immediately to the operating room for surgical exploration and repair.
Hard signs indicate a high probability of significant arterial injury that threatens life and limb, making any delay for imaging contraindicated.

Anahtar Kavram

Management of penetrating extremity trauma depends on clinical signs. 'Hard signs' of vascular injury (pulsatile bleeding, expanding hematoma, palpable thrill/audible bruit, absent distal pulses, or distal ischemia) mandate immediate surgical exploration.
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Cardiothoracic and Vascular Surgery

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