Gastrointestinal endoscopy in patients receiving novel direct oral anticoagulants: results from the prospective Dresden NOAC registry

Abstract

Background

Patients receiving direct-acting, non-vitamin K oral anticoagulants (NOAC) frequently undergo gastrointestinal endoscopies (GIE) but little is known on the management and outcome of these interventions.

Methods

With use of data from an ongoing, prospective, noninterventional registry of NOAC patients, the management and outcome of GIE were evaluated with use of standard event definitions. Patients undergoing GIE were categorized into two subgroups: (1) scheduled GIE (scheduled appointment, no acute bleeding) and (2) unscheduled GIE (unscheduled including management of acute gastrointestinal bleeding). The rates of major bleeding complications, cardiovascular complications, and all-cause death within 30 days after the procedure were evaluated.

Results

Between October 1, 2011, and March 31, 2015, 492 patients underwent a total of 713 GIE (44.5% gastroscopies, 53.0% colonoscopies, 2.5% endoscopic retrograde cholangiopancreatography procedures), with 70.0% being scheduled procedures and 30.0% being unscheduled procedures. Endoscopies were performed within 24 h after the last NOAC intake in 45 of 713 cases (6.3%), between 24 and 48 h after the last intake in 336 cases (47.1%), and after NOAC therapy interruption for more than 48 h in 213 cases (29.9%). Heparin bridging therapy was used in 180 of 713 procedures (25.3%) and predominantly (170/180; 94.4%) in cases of NOAC therapy interruption for longer than 72 h. Until day 30 after the procedure, the event rates were 1.4% for cardiovascular events and 0.7% for major bleeding events.

Conclusion

Continuation or short-term interruption of NOAC therapy seems to be a safe strategy for GIE. Heparin bridging therapy is predominantly used in cases of prolonged NOAC therapy interruption.

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