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Zorluk: ZorGastrointestinal and Abdominal Surgery

An elderly gentleman, aged 74, is evaluated in the emergency department for severe, unremitting abdominal discomfort and multiple episodes of dark green emesis that began 14 hours ago. His surgical history is notable for a midline laparotomy performed a decade ago for a ruptured appendix. He has not passed stool or flatus since the symptoms began. Current vital signs include a temperature of 38.7°C (101.7°F), a heart rate of 122/min, a blood pressure of 92/58 mm Hg, and a respiratory rate of 24/min. Clinical examination reveals a tense, distended abdomen with marked rigidity and diffuse rebound tenderness. Laboratory analysis demonstrates a leukocyte count of 19,200/mm³ and a serum lactate concentration of 4.8 mmol/L. Upright abdominal radiography shows prominently dilated loops of small intestine with multiple air-fluid levels and an absence of distal colonic gas. What is the most appropriate next step in the clinical management of this patient?

  1. A
    Cross-sectional imaging of the abdomen and pelvis
  2. B
    Bowel decompression via enteric tube and nonoperative monitoring
  3. C
    Initiation of empiric broad-spectrum antimicrobials and hemodynamic support
  4. Open abdominal surgical interventionCevap
  5. E
    Diagnostic laparoscopic evaluation of the peritoneal cavity

Cevap

Open abdominal surgical intervention is the correct next step due to the presence of peritonitis and hemodynamic instability indicating strangulation.
The correct option is open abdominal surgical intervention. This patient presents with a classic clinical picture of a mechanical bowel obstruction that has progressed to strangulation and ischemia. The presence of marked rigidity, diffuse rebound tenderness, fever, tachycardia, hypotension, marked leukocytosis, and an elevated serum lactate strongly indicates a surgical emergency (likely necrotic bowel or perforation). In such hemodynamically unstable patients with frank peritonitis, immediate open surgical intervention (laparotomy) is mandated to rapidly obtain source control, resect necrotic bowel, and prevent further septic shock. Any delay for further imaging or a trial of conservative management is contraindicated and significantly increases mortality.

Adım Adım Çözüm

1
Identify the primary clinical syndrome from the patient's presentation.
The patient is suffering from a small bowel obstruction.
Characterized by bilious emesis, obstipation, prior abdominal surgery, and radiographically dilated loops with air-fluid levels.
2
Evaluate the patient for signs of a complicated obstruction, such as ischemia or strangulation.
The patient exhibits peritonitis (rigidity, rebound tenderness), systemic toxicity (fever, tachycardia, hypotension), and metabolic derangement (elevated lactate).
These findings are key red flags that indicate the bowel's blood supply is compromised and necrosis is actively occurring.
3
Determine the definitive management based on the patient's hemodynamic status and physical exam.
Emergent open abdominal surgery is mandated.
In the setting of complicated obstruction with frank peritonitis, conservative therapy or further imaging delays critical, life-saving source control.

Anahtar Kavram

Recognition of strangulated small bowel obstruction requiring immediate surgical intervention.
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Konular

Gastrointestinal and Abdominal Surgery

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