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Updated: May 5, 2026

Colon Ascendens Stent Peritonitis CASP - a Standardized Model for Polymicrobial Abdominal Sepsis
Published on: December 18, 2010
An unusual cause of peritonitis in a deployed environment
Adrian Proffitt1, R Faulconer2, P Kreishman3
1ST3 Acute Internal Medicine, Department of Medicine, University Hospital of North Staffordshire, Stoke-on-Trent, Staffordshire, UK.
Acute abdominal pain is a common reason for hospital admission. When examination suggests peritonitis but surgery finds no cause, consider non-surgical conditions.
Area of Science:
- General Surgery
- Emergency Medicine
- Abdominal Imaging
Background:
- Acute abdominal pain is a frequent presentation in healthcare settings, leading to significant hospital admissions, particularly in deployed military personnel.
- Generalized peritonism on abdominal examination is a critical sign suggesting intra-abdominal pathology that may necessitate surgical intervention.
Observation:
- Clinical examination revealing generalized peritonism is a well-established indicator for potential intra-abdominal surgical emergencies.
- Exploratory laparotomy is often performed when peritonism is present to diagnose and manage suspected intra-abdominal conditions.
Findings:
- Negative findings during exploratory laparotomy, despite clinical signs of peritonism, present a diagnostic challenge.
- A significant proportion of patients undergoing laparotomy for suspected acute abdomen may have non-surgical causes.
Implications:
- Negative laparotomy findings should prompt clinicians to broaden the differential diagnosis beyond surgical emergencies.
- Considering non-surgical mimics of acute abdomen is crucial for accurate diagnosis and appropriate patient management, potentially avoiding unnecessary surgical procedures.
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