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Zorluk: OrtaSurgical and Procedural Interventions

A 55-year-old man with poorly controlled type 2 diabetes mellitus is brought to the emergency department due to a 24-hour history of severe pain and swelling in his right lower leg. He sustained a minor abrasion to his shin three days ago. His temperature is 39.2∘C39.2^\circ\text{C} (102.6∘F102.6^\circ\text{F}), heart rate is 122/min122/\text{min}, blood pressure is 88/56 mm Hg88/56\text{ mm Hg}, and respiratory rate is 22/min22/\text{min}. Physical examination reveals a markedly swollen, erythematous right lower leg. The erythema is advancing rapidly, and there are violaceous bullae over the anterior shin. Palpation elicits palpable crepitus and pain that is out of proportion to the visual extent of the skin changes. Laboratory studies show:

ParameterValue
Leukocyte count24,000/mm324,000/\text{mm}^3
Serum creatinine1.9 mg/dL1.9\text{ mg/dL}
Serum glucose310 mg/dL310\text{ mg/dL}
International normalized ratio (INR)1.61.6

Aggressive intravenous fluid resuscitation and broad-spectrum antibiotics are immediately initiated. Which of the following is the most appropriate next step in management?

  1. Emergent surgical exploration and debridementCevap
  2. B
    Magnetic resonance imaging of the right lower extremity
  3. C
    Admission to the medical intensive care unit for ongoing medical stabilization
  4. D
    Incisional tissue biopsy with frozen section
  5. E
    Administration of fresh frozen plasma to correct coagulopathy prior to intervention

Cevap

Emergent surgical exploration and debridement is the definitive and life-saving next step for patients presenting with clinical signs of necrotizing fasciitis.
This patient's presentation—marked by pain out of proportion to visual skin changes, rapidly spreading erythema, violaceous bullae, palpable crepitus, and septic shock—is highly characteristic of necrotizing fasciitis. While aggressive fluid resuscitation and broad-spectrum antibiotics are vital initial steps, the definitive, life-saving intervention is immediate surgical exploration and radical debridement of all necrotic tissue. Because this is a rapidly fatal condition, surgical source control must occur emergently and should not be delayed for any reason once the clinical diagnosis is suspected.

Adım Adım Çözüm

1
Analyze the clinical presentation.
The patient has systemic toxicity (fever, hypotension, tachycardia), severe pain out of proportion to exam, rapidly advancing erythema, bullae, and crepitus.
Identifying these classic physical exam findings immediately establishes a clinical diagnosis of necrotizing fasciitis.
2
Evaluate the initial interventions.
Fluid resuscitation and broad-spectrum antibiotics have appropriately been initiated for septic shock.
Medical stabilization must begin immediately, but it is not the definitive treatment for the underlying cause.
3
Determine the definitive treatment required.
The patient must be taken to the operating room immediately for surgical exploration and extensive debridement of necrotic tissue.
Necrotizing fasciitis is a rapidly progressive surgical emergency; any delay for imaging, medical optimization, or minor procedures significantly increases mortality.

Anahtar Kavram

Necrotizing fasciitis is a clinical diagnosis and a surgical emergency requiring immediate exploration and extensive debridement, which should never be delayed for advanced imaging or correction of mild laboratory abnormalities.
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Surgical and Procedural Interventions

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