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Difficulty: MediumSurgical and Procedural Interventions

A 64-year-old man presents with sudden, intractable, generalized abdominal pain that began 2 hours ago. His medical history is significant for coronary artery disease, chronic obstructive pulmonary disease, and daily naproxen use for severe osteoarthritis. Vital signs show a temperature of 38.6°C (101.5°F), blood pressure of 86/52 mmHg, heart rate of 124/min, and respiratory rate of 28/min. Physical examination reveals a rigid, board-like abdomen with severe diffuse tenderness, rebound, and involuntary guarding. An upright chest radiograph demonstrates free air under the right hemidiaphragm. The surgical service is consulted, and an emergent exploratory laparotomy is planned.

Which of the following interventions are essential components of this patient's immediate preoperative management? (Select all that apply)

  1. Intravenous administration of broad-spectrum antibioticsAnswer
  2. Rapid intravenous infusion of isotonic crystalloidsAnswer
  3. Placement of a nasogastric tube for gastrointestinal decompressionAnswer
  4. D
    Computed tomography of the abdomen and pelvis with oral contrast
  5. E
    Preoperative transthoracic echocardiography for cardiac risk stratification

Answer

The essential interventions include intravenous administration of broad-spectrum antibiotics, rapid intravenous infusion of isotonic crystalloids, and placement of a nasogastric tube for gastrointestinal decompression.
This patient presents with a classic perforated viscus and subsequent septic shock, necessitating emergent exploratory laparotomy. The immediate procedural and medical interventions must focus on rapid stabilization prior to surgical incision. This includes restoring intravascular volume with isotonic crystalloids, initiating broad-spectrum antibiotics to treat the developing peritonitis, and placing a nasogastric tube to decompress the stomach, which minimizes further peritoneal soilage and protects the airway from aspiration during intubation.

Step-by-Step Solution

1
Identify the primary diagnosis and patient stability.
The patient has a perforated viscus (likely a peptic ulcer given the naproxen use, rigid abdomen, and pneumoperitoneum) leading to septic shock (hypotension, tachycardia, fever).
Establishing the severity of the presentation dictates the urgency of surgical source control and the required immediate resuscitative efforts.
2
Determine the mandatory preoperative stabilization measures.
The patient requires immediate fluid resuscitation for shock, broad-spectrum antibiotics for intra-abdominal sepsis, and nasogastric decompression.
These interventions stabilize hemodynamics for anesthesia, control the septic source medically, and prevent further peritoneal contamination and aspiration.
3
Identify contraindicated or unnecessary delays.
Advanced imaging (CT scan) and cardiac risk stratification (echocardiogram) are omitted.
The diagnosis is already definitively established. Delaying emergent, life-saving surgery for further diagnostic or prognostic testing significantly increases mortality.

Key Concept

Essential preoperative stabilization for an emergent laparotomy in a patient with a perforated viscus includes aggressive hemodynamic resuscitation, early broad-spectrum antibiotics, and nasogastric decompression, without delaying surgery for advanced imaging or cardiac risk stratification.
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Topics

Surgical and Procedural Interventions

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