assist devices
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Author(s):  
Jonathan B. Edelson ◽  
Jonathan J. Edwards ◽  
Hannah Katcoff ◽  
Antara Mondal ◽  
Feiyan Chen ◽  
...  

Background The past decade has seen tremendous growth in patients with ambulatory ventricular assist devices. We sought to identify patients that present to the emergency department (ED) at the highest risk of death. Methods and Results This retrospective analysis of ED encounters from the Nationwide Emergency Department Sample includes 2010 to 2017. Using a random sampling of patient encounters, 80% were assigned to development and 20% to validation cohorts. A risk model was derived from independent predictors of mortality. Each patient encounter was assigned to 1 of 3 groups based on risk score. A total of 44 042 ED ventricular assist device patient encounters were included. The majority of patients were male (73.6%), <65 years old (60.1%), and 29% presented with bleeding, stroke, or device complication. Independent predictors of mortality during the ED visit or subsequent admission included age ≥65 years (odds ratio [OR], 1.8; 95% CI, 1.3–4.6), primary diagnoses (stroke [OR, 19.4; 95% CI, 13.1–28.8], device complication [OR, 10.1; 95% CI, 6.5–16.7], cardiac [OR, 4.0; 95% CI, 2.7–6.1], infection [OR, 5.8; 95% CI, 3.5–8.9]), and blood transfusion (OR, 2.6; 95% CI, 1.8–4.0), whereas history of hypertension was protective (OR, 0.69; 95% CI, 0.5–0.9). The risk score predicted mortality areas under the curve of 0.78 and 0.71 for development and validation. Encounters in the highest risk score strata had a 16‐fold higher mortality compared with the lowest risk group (15.8% versus 1.0%). Conclusions We present a novel risk score and its validation for predicting mortality of patients with ED ventricular assist devices, a high‐risk, and growing, population.


ASAIO Journal ◽  
2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Scott C. Roberts ◽  
Hannah H. Nam ◽  
Rebecca N. Kumar ◽  
Tingqing Wu ◽  
Rebecca S. Harap ◽  
...  

ASAIO Journal ◽  
2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Alyssa Power ◽  
Manchula Navaratnam ◽  
Jenna M. Murray ◽  
Lynn F. Peng ◽  
David N. Rosenthal ◽  
...  

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