Correlation between proximal serrated polyp detection and clinically significant serrated polyps: inter-endoscopist...

Area of Science:

• Gastroenterology
• Endoscopy
• Cancer Prevention

Background:

• Adenoma detection rate (ADR) is a key quality metric for colorectal cancer (CRC) prevention.
• Serrated polyps are recognized as precursor lesions for CRC.
• Variability in detecting these lesions impacts patient outcomes.

Purpose of the Study:

• To compare the detection rates of proximal serrated polyps (PSPs) and clinically significant serrated polyps (CSSPs) among endoscopists.
• To analyze the relationship between PSP and CSSP detection rates and the overall ADR.
• To identify potential quality improvement areas in serrated polyp detection.

Main Methods:

• An observational, prospective, cross-sectional study involving 15 endoscopists and 1,378 colonoscopies.
• Comparison of ADR, PSP, and CSSP detection rates using multivariate logistic regression.
• Calculation of associations using the Pearson correlation coefficient.

Main Results:

• A wide range in PSP detection rates (1.8-17%) was observed among endoscopists.
• PSP detection rate showed an almost perfect correlation with CSSP detection rate (p = 0.922).
• PSP detection rate strongly correlated with ADR (p = 0.769).

Conclusions:

• Significant variability exists in endoscopist PSP detection rates.
• High correlation between PSP and CSSP detection suggests a potential for missed CSSPs.
• Low PSP detection rates may indicate a need for improved endoscopic surveillance strategies for serrated polyps.