Comparing Claims Data to Stroke and Bleeding in the NCDR Left Atrial Appendage Occlusion Registry.

ABSTRACT:

Background

Claims data are increasingly used for postmarketing surveillance of therapies such as transcatheter left atrial appendage occlusion (LAAO), but their accuracy remains uncertain.

Objectives

This study aimed to compare stroke and bleeding events in the National Cardiovascular Data Registry LAAO Registry with claims data.

Methods

LAAO Registry data for patients aged ≥65 years were linked to 2016 to 2021 Medicare claims. Primary diagnosis International Classification of Diseases-Tenth Revision codes from inpatient hospitalizations were compared to adjudicated registry-reported stroke and major bleeding events after discharge, including estimation of sensitivity and positive predictive value of claims for identifying registry-reported events. Kappa statistics an

SUBMITTER: Faridi KF 

PROVIDER: S-EPMC12311505 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature