National Healthcare Quality and Disparities Report
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AHRQ Research Studies
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Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
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1 to 2 of 2 Research Studies DisplayedAbraham NS, Noseworthy PA, Inselman J
Risk of gastrointestinal bleeding increases with combinations of antithrombotic agents and patient age.
This study investigated whether age of patient and time frame increased the risk of gastrointestinal bleeding (GIB) in elderly patients being treated with anticoagulants, antiplatelets, or a combination of both therapies. This retrospective analysis used nationwide claims data from privately insured and Medicare Advantage enrollees who received anticoagulant and/or antiplatelet agents from October 1, 2010, through May 31, 2017. The final cohort included 311,211 patients who had a primary diagnosis of atrial fibrillation, ischemic heart disease, or venous thromboembolism. There was no significant different in the proportion of patients with GIB after anticoagulant or antiplatelet monotherapy, but combination therapy increased GIB risk. Advancing age was also associated with increasing 1-year probability of FIB, especially patients older than 75 years taking combination therapy.
AHRQ-funded; HS025402.
Citation: Abraham NS, Noseworthy PA, Inselman J .
Risk of gastrointestinal bleeding increases with combinations of antithrombotic agents and patient age.
Clin Gastroenterol Hepatol 2020 Feb;18(2):337-46.e19. doi: 10.1016/j.cgh.2019.05.017..
Keywords: Adverse Drug Events (ADE), Medication, Adverse Events, Medication: Safety, Elderly, Blood Thinners, Blood Clots, Digestive Disease and Health
Leeds IL, DiBrito SR, Canner JK
Cost-benefit limitations of extended, outpatient venous thromboembolism prophylaxis following surgery for Crohn's disease.
This goal of this study was to assess the cost-effectiveness of extended prophylaxis in patients with Crohn's disease after abdominal surgery. A decision tree model was used to assess cost-effectiveness and cost-per-case averted with extended-duration venous thromboembolism prophylaxis following abdominal surgery. Results showed that extended prophylaxis in patients with Crohn's disease postoperatively is not cost-effective when the cumulative incidence of posthospital thrombosis remains less than 4.9%. These findings are driven by the low absolute risk of thrombosis in this population and the considerable cost of universal treatment.
AHRQ-funded; HS024547.
Citation: Leeds IL, DiBrito SR, Canner JK .
Cost-benefit limitations of extended, outpatient venous thromboembolism prophylaxis following surgery for Crohn's disease.
Dis Colon Rectum 2019 Nov;62(11):1371-80. doi: 10.1097/dcr.0000000000001461..
Keywords: Prevention, Digestive Disease and Health, Surgery, Healthcare Costs, Adverse Events, Patient Safety, Blood Clots, Shared Decision Making, Medication