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Cytological screening for Barrett's esophagus using a prototype flexible mesh catheter
A E Rader1, D O Faigel, J Ditomasso
1Department of Pathology, Oregon Health Sciences University and Veterans Administration Medical Center, Portland 97201-3098, USA.
Digestive Diseases and Sciences
|January 5, 2002
Summary
A new flexible mesh catheter offers a cost-effective, minimally invasive method for diagnosing Barrett's esophagus (BE) in gastroesophageal reflux disease (GERD) patients. This non-endoscopic approach shows promise for sensitive and inexpensive screening.
Area of Science:
- Gastroenterology
- Oncology
- Pathology
Background:
- Gastroesophageal reflux disease (GERD) and Barrett's esophagus (BE) screening via endoscopy incurs significant costs.
- A non-endoscopic diagnostic tool could substantially reduce healthcare expenses for BE screening.
Purpose of the Study:
- To evaluate the effectiveness of a prototype flexible mesh catheter for the cytological diagnosis of Barrett's esophagus.
- To assess the feasibility and diagnostic yield of this novel, non-endoscopic screening method.
Main Methods:
- A pilot study enrolled patients with known BE undergoing surveillance endoscopy.
- Cytology specimens were collected using a prototype flexible mesh catheter.
- Specimens were analyzed for key cellular markers including glandular cells, goblet cells, squamous cells, inflammation, and dysplasia.
Main Results:
- Eleven patients with BE were enrolled; no complications were reported.
- Cytological specimens from eight patients (73%) were adequate for evaluation.
- Goblet cells, diagnostic for BE, were identified in seven of these patients (87.5%).
Conclusions:
- Flexible mesh catheters present a potentially sensitive, inexpensive, and minimally invasive method for evaluating patients with GERD and BE.
- This approach may offer a viable alternative to traditional endoscopic screening for Barrett's esophagus.