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Abdominal pain and bowel dysfunction: diagnostic role of intestinal ultrasound
M Astegiano1, F Bresso, T Cammarota
1U.O.A. Gastroenterologia, Azienda Ospedaliera San Giovanni Battista di Torino, Italy.
Insights
Intestinal ultrasound is a valuable first diagnostic tool for differentiating between organic and functional bowel diseases in young patients. It shows high specificity in diagnosing inflammatory bowel disease, guiding further invasive testing when necessary.
Area of Science:
- Gastroenterology
- Medical Imaging
- Diagnostic Tools
Background:
- Abdominal pain and irregular bowel habits are common in young individuals.
- Differentiating between Irritable Bowel Syndrome (IBS) and Inflammatory Bowel Disease (IBD) can be challenging due to non-specific symptoms.
- IBD represents a significant health burden, necessitating accurate early diagnosis.
Purpose of the Study:
- To assess the utility of intestinal ultrasound in distinguishing between organic and functional bowel disorders.
- To evaluate intestinal ultrasound as a non-invasive, cost-effective diagnostic method.
Main Methods:
- 313 outpatients with chronic abdominal pain and irregular bowel habits underwent abdominal and intestinal ultrasound.
- Intestinal wall thickness >7 mm was the criterion for suspected IBD.
- Ultrasound findings were compared with traditional diagnostic methods (endoscopy, radiology).
Main Results:
- Intestinal ultrasound demonstrated 74% sensitivity and 98% specificity for IBD diagnosis.
- Positive and negative predictive values were both 92%.
- Ultrasound effectively identified patients requiring further investigation.
Conclusions:
- Intestinal ultrasound is a crucial initial diagnostic step for young patients with non-specific gastrointestinal symptoms.
- It aids in identifying potential organic bowel disease, indicating the need for invasive procedures.
- This non-invasive tool can streamline the diagnostic pathway for functional vs. organic bowel conditions.
Background:
Abdominal pain and irregular bowel habits are common among young people. Irritable bowel syndrome is frequent in the general population and has important economic and social costs. Inflammatory bowel diseases are chronic processes with an acute or indolent onset in young people. Differential clinical diagnosis between irritable bowel syndrome and inflammatory bowel disease can be difficult since symptoms and signs are often non-specific.
Objective:
To evaluate the role of intestinal ultrasound, a non-invasive, simple and cheap diagnostic tool, in the differentiation between organic and functional bowel diseases.
Methods:
Abdominal and intestinal ultrasound examinations were performed on 313 consecutive outpatients presenting with abdominal pain and irregular bowel habits lasting more than 3 months. These patients had no symptoms or signs indicative of organic disorders and no previous diagnosis of organic disease. An intestinal wall thickness of more than 7 mm was considered diagnostic for inflammatory bowel disease. Subsequently, we compared the ultrasound results with diagnoses obtained following the traditional criteria (radiological and endoscopic examinations).
Results:
Intestinal ultrasound for the diagnosis of inflammatory bowel disease showed 74% sensitivity, 98% specificity, a positive predictive value of 92% and a negative predictive value of 92%.
Conclusions:
In our experience, intestinal ultrasound seems important as a first diagnostic tool in young patients without clear symptoms or signs of organic diseases, and can be used as an indication that subsequent invasive tests are required.