Background And Aim: The study developed a predictive model of long-term gastrointestinal (GI) bleeding risk in patients receiving oral anticoagulants and compared it with the HAS-BLED (Hypertension, Abnormal renal/liver function, Stroke, Bleeding history or predisposition, Labile international normalized ratios, Elderly, Drugs/alcohol concomitantly) score.
Methods: The study periodically followed a cohort of 508 patients taking oral anticoagulants (66 direct oral anticoagulants users and 442 warfarin users). Absence of GI bleeding at an initial examination and any subsequent GI bleeding were confirmed endoscopically. The bleeding model was developed by multivariate survival analysis and evaluated by Harrell's c-index.
Results: During a median follow-up of 31.4 months, 42 GI bleeds (8.3%) occurred: 42.8% in the upper GI tract, 50.0% in the lower GI tract, and 7.1% in the middle GI tract. The cumulative 5 and 10-year probability of GI bleeding was 12.6% and 18.5%, respectively. Patients who bled had a significantly higher cumulative incidence of all-cause mortality (hazard ratio 2.9, P < 0.001). Multivariate analysis revealed that absence of proton pump inhibitor therapy, chronic kidney disease, chronic obstructive pulmonary disease, history of peptic ulcer disease, and liver cirrhosis predicted GI bleeding. The c-statistic for the new predictive model using these five factors was 0.65 (P < 0.001), higher than the HAS-BLED score of 0.57 (P = 0.145).
Conclusions: Gastrointestinal bleeding increased the risk of subsequent mortality during follow-up of anticoagulated patients, highlighting the importance of prevention. The study developed a new scoring model for acute GI bleeding risk based on five factors (no-proton pump inhibitor use, chronic kidney disease, chronic obstructive pulmonary disease, history of peptic ulcer disease, and liver cirrhosis), which was superior to the HAS-BLED score.
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http://dx.doi.org/10.1111/jgh.13830 | DOI Listing |
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