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Zorluk: ZorSurgical and Procedural Interventions

A 7474-year-old male is in the intensive care unit recovering from an acute exacerbation of chronic obstructive pulmonary disease requiring mechanical ventilation. On hospital day 77, he remains ventilator-dependent and requires a continuous norepinephrine infusion to maintain a mean arterial pressure of 6565 mmHg. His temperature rises to 39.2∘39.2^\circ C (102.6∘102.6^\circ F) and his leukocyte count increases from 11,00011,000/mm 3^3 to 24,00024,000/mm 3^3. Physical examination reveals a firm, distended abdomen. When sedation is briefly paused, the patient grimaces significantly during palpation of the right upper quadrant. Laboratory studies are notable for a total bilirubin of 2.12.1 mg/dL, alkaline phosphatase of 180180 U/L, and aspartate aminotransferase of 6565 U/L. A bedside abdominal ultrasound demonstrates a markedly distended gallbladder with a 66-mm thickened wall, pericholecystic fluid, and no evidence of gallstones or biliary ductal dilation. Which of the following are the most appropriate next steps in the management of this patient? (Select exactly two)

  1. Percutaneous cholecystostomy tube placementCevap
  2. Administration of broad-spectrum intravenous antibioticsCevap
  3. C
    Emergent laparoscopic cholecystectomy
  4. D
    Hepatobiliary iminodiacetic acid scan
  5. E
    Endoscopic retrograde cholangiopancreatography

Cevap

The most appropriate next steps are percutaneous cholecystostomy tube placement and the administration of broad-spectrum intravenous antibiotics.
The correct answers identify that the patient is suffering from acute acalculous cholecystitis, a life-threatening condition commonly seen in critically ill, mechanically ventilated patients. The diagnosis is confirmed by the clinical picture combined with ultrasound findings of a thickened gallbladder wall (greater than 33 mm), pericholecystic fluid, and absence of gallstones. Because the patient is dependent on vasopressors, surgical removal of the gallbladder (cholecystectomy) is contraindicated due to an unacceptably high perioperative mortality rate. Therefore, the most appropriate management involves immediate medical stabilization with broad-spectrum intravenous antibiotics and minimally invasive source control via percutaneous cholecystostomy tube placement.

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1
Identify the clinical syndrome based on the patient's presentation in the vignette.
The patient has new-onset fever, severe leukocytosis, right upper quadrant tenderness, and is critically ill on vasopressors.
Recognizing the systemic signs of infection and localizing abdominal signs points toward an acute intra-abdominal source.
2
Interpret the bedside imaging findings to establish a diagnosis.
Ultrasound reveals a thickened gallbladder wall and pericholecystic fluid without gallstones or ductal dilation.
These specific structural findings in a critically ill ICU patient are highly diagnostic for acute acalculous cholecystitis.
3
Determine the appropriate surgical or procedural intervention based on the patient's clinical stability.
Because the patient is hemodynamically unstable and dependent on norepinephrine, definitive surgical intervention carries an unacceptably high mortality risk. Minimally invasive percutaneous drainage must be paired with medical management (IV antibiotics).
Percutaneous cholecystostomy serves as a life-saving bridge or definitive therapy for patients whose comorbidities absolutely contraindicate general anesthesia and laparoscopy.

Anahtar Kavram

In critically ill, hemodynamically unstable patients who develop acute acalculous cholecystitis, the standard of care is source control via percutaneous cholecystostomy tube placement combined with broad-spectrum intravenous antibiotics, as surgical cholecystectomy carries an excessively high mortality risk.
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Surgical and Procedural Interventions

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