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Difficulty: EasyUrologic Surgery

A 55-year-old woman is evaluated in the intensive care unit for fever and hypotension. She underwent an uncomplicated total abdominal hysterectomy three days ago for symptomatic uterine fibroids. Her temperature is 39.2°C (102.6°F), blood pressure is 85/50 mmHg, and heart rate is 125/min. She complains of severe right-sided flank pain. Physical examination shows exquisite right costovertebral angle tenderness. The abdomen is soft, non-distended, and non-tender, with normal active bowel sounds. Laboratory studies reveal a leukocyte count of 22,000/mm³. A bedside renal ultrasound demonstrates marked right-sided hydronephrosis. Intravenous fluid resuscitation and empiric broad-spectrum antibiotics are initiated, but her blood pressure remains 85/50 mmHg. Which of the following is the most appropriate next step in management?

  1. Emergent decompression of the right kidney via percutaneous nephrostomyAnswer
  2. B
    Observation, early ambulation, and incentive spirometry
  3. C
    Insertion of a nasogastric tube for bowel decompression
  4. D
    Discontinuation of broad-spectrum antibiotics and transition to oral ciprofloxacin
  5. E
    Transport to the radiology suite for a contrast-enhanced computed tomography scan of the abdomen and pelvis

Answer

Emergent decompression of the right kidney via percutaneous nephrostomy
This patient presents with septic shock secondary to an infected and obstructed right kidney, a classic presentation of obstructive pyelonephritis. Given her recent total abdominal hysterectomy, the sudden onset of right hydronephrosis is highly suspicious for iatrogenic distal ureteral injury, such as inadvertent ligation when securing the uterine vessels. An infected, obstructed kidney is a urologic emergency. While intravenous fluid resuscitation and broad-spectrum antibiotics are critical first steps, they are insufficient on their own because the obstructed purulent material cannot drain. The definitive management is emergent decompression of the collecting system to achieve source control. Because the patient is hemodynamically unstable and a retrograde approach (ureteral stent) may be technically impossible if the ureter is completely ligated, placement of a percutaneous nephrostomy tube is the safest and most appropriate next step.

Step-by-Step Solution

1
Assess the patient's hemodynamic status and clinical presentation.
The patient is in septic shock (hypotension, tachycardia, fever) with severe right flank pain and leukocytosis three days post-hysterectomy.
Identifying systemic instability prioritizes immediate life-saving interventions over routine postoperative care.
2
Interpret the bedside imaging findings in the context of the recent surgery.
Bedside ultrasound shows right hydronephrosis, highly suggestive of iatrogenic distal ureteral injury (e.g., ligation) during the hysterectomy.
The ureter runs posterior to the uterine artery ('water under the bridge') and is at high risk of injury during pelvic surgery.
3
Determine the definitive management for infected hydronephrosis.
The obstructed, infected collecting system must be drained immediately to achieve source control of the sepsis.
Antibiotics and fluids alone are insufficient; mechanical obstruction requires physical drainage via a percutaneous nephrostomy or ureteral stent.

Key Concept

Infected hydronephrosis (obstructive pyelonephritis) is a urologic emergency requiring prompt intravenous antibiotics, fluid resuscitation, and emergent surgical decompression of the collecting system.
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Topics

Urologic Surgery

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