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Published on: December 8, 2023
Gas-Forming Pyogenic Liver Abscess with Septic Shock
Muhammad S Khan1, Muhammad K Ishaq2, Kellie R Jones2
1Department of Medicine, University of Oklahoma Health Sciences Center, Williams Pavilion 1130, P.O. Box 26901, Oklahoma City, OK 73190, USA.
Abstract:
The pyogenic liver abscess caused by Clostridium perfringens (C. perfringens) is a rare but rapidly fatal infection. The main virulence factor of this pathogen is its α-toxin (lecithinase), which decomposes the phospholipid in cell membranes leading to cell lysis. Once the bacteria are in blood stream, massive intravascular hemolysis occurs. This can present as anemia on admission with evidence of hemolysis as indicated by low serum haptoglobin, high serum lactate dehydrogenase (LDH), elevated indirect bilirubin, and spherocytosis. The clinical course of C. perfringens septicemia is marked by rapidly deteriorating course with a mortality rate ranging from 70 to 100%. The very rapid clinical course makes it difficult to diagnose on time, and most cases are diagnosed at autopsy. Therefore it is important to consider C. perfringens infection in any severely ill patient with fever and evidence of hemolysis. We present a case of seventy-seven-year-old male with septic shock secondary to pyogenic liver abscess with a brief review of existing literature on C. perfringens.
Insights
Clostridium perfringens liver abscess is a rare, fatal infection. Prompt recognition of this bacterial infection and associated hemolysis is crucial for timely diagnosis and treatment, despite its rapid progression.
Area of Science:
- Infectious Diseases
- Hepatology
- Microbiology
Background:
- Pyogenic liver abscess caused by Clostridium perfringens (C. perfringens) is a rare but rapidly fatal infection.
- The primary virulence factor, α-toxin (lecithinase), causes cell membrane decomposition and intravascular hemolysis.
Purpose of the Study:
- To highlight the critical importance of considering C. perfringens infection in severely ill patients presenting with fever and hemolysis.
- To present a case of septic shock secondary to C. perfringens pyogenic liver abscess.
Main Methods:
- Case report of a seventy-seven-year-old male with septic shock.
- Review of existing literature on C. perfringens liver abscess and septicemia.
Main Results:
- C. perfringens septicemia is characterized by rapid deterioration and high mortality (70-100%).
- Clinical presentation includes anemia with evidence of hemolysis (low haptoglobin, high LDH, elevated indirect bilirubin, spherocytosis).
- Diagnosis is often delayed, with many cases identified post-mortem due to the rapid clinical course.
Conclusions:
- Early clinical suspicion of C. perfringens is vital in patients with severe illness, fever, and hemolysis.
- Prompt diagnosis and management are essential to improve outcomes in this life-threatening condition.
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