British journal of clinical pharmacology · 2018
Use of oral anticoagulants in German nursing home residents: drug use patterns and predictors for treatment choice.
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Jobski Kathrin, Hoffmann Falk, Herget-Rosenthal Stefan, Dörks Michael
Аннотация
AIMS: Information on utilization of oral anticoagulants (OACs) in nursing homes is scarce. This study aimed to (i) describe OAC use in German nursing home residents, (ii) examine factors influencing whether treatment is initiated with vitamin K antagonists (VKAs) or non-VKA oral anticoagulants (NOACs) and (iii) assess which conditions predict switching to NOAC instead of continuing VKA.
METHODS: Using claims data (2010-2014), we studied a cohort of new nursing home residents aged ≥65 years receiving OAC. Further, OAC use in patients with atrial fibrillation (AF) was examined over the years.
RESULTS: Overall, 16 804 patients (median age: 85 years, 75% female, 44% with renal disease) were included. The majority received phenprocoumon as first OAC (58.0%), followed by rivaroxaban (28.1%). Over the study period, NOAC use increased substantially. Initiating NOAC instead of VKA was predicted by a previous stroke (adjusted odds ratio: 1.76; 95% confidence interval: 1.49-2.08). In contrast, renal disease predicted VKA initiation (0.66; 0.59-0.75) as did the presence of a prosthetic heart valve. Switching from VKA to NOAC was predicted by a stroke (2.55; 2.00-3.24), bleeding events and a recent hospitalization. During 2010-2014, the proportion of AF patients with a CHADS2 score ≥2 receiving OAC increased from 27% to 46%.
CONCLUSIONS: NOACs are increasingly used in German nursing homes, both for initial anticoagulation but also in VKA pre-treated patients. Switching from VKA to NOAC was substantially influenced by aspects such as intended higher effectiveness and safety but probably also practicability due to less blood monitoring.
METHODS: Using claims data (2010-2014), we studied a cohort of new nursing home residents aged ≥65 years receiving OAC. Further, OAC use in patients with atrial fibrillation (AF) was examined over the years.
RESULTS: Overall, 16 804 patients (median age: 85 years, 75% female, 44% with renal disease) were included. The majority received phenprocoumon as first OAC (58.0%), followed by rivaroxaban (28.1%). Over the study period, NOAC use increased substantially. Initiating NOAC instead of VKA was predicted by a previous stroke (adjusted odds ratio: 1.76; 95% confidence interval: 1.49-2.08). In contrast, renal disease predicted VKA initiation (0.66; 0.59-0.75) as did the presence of a prosthetic heart valve. Switching from VKA to NOAC was predicted by a stroke (2.55; 2.00-3.24), bleeding events and a recent hospitalization. During 2010-2014, the proportion of AF patients with a CHADS2 score ≥2 receiving OAC increased from 27% to 46%.
CONCLUSIONS: NOACs are increasingly used in German nursing homes, both for initial anticoagulation but also in VKA pre-treated patients. Switching from VKA to NOAC was substantially influenced by aspects such as intended higher effectiveness and safety but probably also practicability due to less blood monitoring.