Capsule endoscopy: 10 years on and in the frontline

Area of Science:

• Gastroenterology and Medical Imaging

Background:

• Conventional endoscopic intubation and radiation exposure pose risks.
• Existing small bowel imaging modalities have limitations in sensitivity.
• Gastrointestinal tract visualization is crucial for diagnosing various diseases.

Purpose of the Study:

• To evaluate capsule endoscopy as a safe, simple, and remote method for gastrointestinal visualization.
• To highlight the sensitivity of capsule endoscopy in detecting subtle small bowel abnormalities.
• To discuss the role of capsule endoscopy in diagnosing small bowel bleeding and other diseases, including Crohn's disease.

Main Methods:

• Capsule endoscopy involves swallowing a small, camera-equipped capsule.
• The capsule travels through the gastrointestinal tract, capturing images.
• Different capsule types are available for examining the esophagus, small bowel, and colon.

Main Results:

• Capsule endoscopy is a safe and non-invasive imaging technique.
• It demonstrates higher sensitivity than other methods for detecting small bowel mucosal abnormalities.
• It is effective for diagnosing suspected small bowel bleeding and evaluating Crohn's disease activity.

Conclusions:

• Capsule endoscopy is a valuable first-line tool for small bowel investigations.
• While effective for detecting disease activity, it complements rather than replaces MRI and CT for complex cases.
• The technology now allows for comprehensive examination of nearly the entire gastrointestinal tract.