The YEARS algorithm for suspected pulmonary embolism: shorter visit time and reduced costs at the emergency department

Pol, L.M. van der; Dronkers, C.E.A.; Hulle, T. van der; Exter, P.L. den; Tromeur, C.; Heringhaus, C.; Mairuhu, A.T.A.; Huisman, M.V.; Hout, W.B. van den; Klok, F.A.

doi:doi:10.1111/jth.13972

Background: Recently, the safety of the YEARS algorithm, designed to simplify the diagnostic work-up of pulmonary embolism (PE), was demonstrated. We hypothesize that by design, YEARS would be associated with a shorter diagnostic emergency department (ED) visit time due to simultaneous assessment of pre-test probability and D-dimer level and reduction in number of CT scans. Aim: To investigate whether implementation of the YEARS diagnostic algorithm is associated with a shorter ED visit time compared with the conventional algorithm and to evaluate the associated cost savings. Methods: We selected consecutive outpatients with suspected PE from our hospital included in the YEARS study and ADJUST-PE study. Different time-points of the diagnostic process were extracted from the to-the-minute accurate electronic patients’ chart system of the ED. Further, the costs of the ED visits were estimated for both algorithms. Results: All predefined diagnostic turnaround times were...Show moreBackground: Recently, the safety of the YEARS algorithm, designed to simplify the diagnostic work-up of pulmonary embolism (PE), was demonstrated. We hypothesize that by design, YEARS would be associated with a shorter diagnostic emergency department (ED) visit time due to simultaneous assessment of pre-test probability and D-dimer level and reduction in number of CT scans. Aim: To investigate whether implementation of the YEARS diagnostic algorithm is associated with a shorter ED visit time compared with the conventional algorithm and to evaluate the associated cost savings. Methods: We selected consecutive outpatients with suspected PE from our hospital included in the YEARS study and ADJUST-PE study. Different time-points of the diagnostic process were extracted from the to-the-minute accurate electronic patients’ chart system of the ED. Further, the costs of the ED visits were estimated for both algorithms. Results: All predefined diagnostic turnaround times were significantly shorter after implementation of YEARS: patients were discharged earlier from the ED; 54 min (95% CI, 37–70) for patients managed without computed tomography pulmonary angiography (CTPA) and 60 min (95% CI, 44–76) for the complete study population. Importantly, patients diagnosed with PE by CTPA received the first dose of anticoagulants 53 min (95% CI, 22–82) faster than those managed according to the conventional algorithm. Total costs were reduced by on average €123 per visit. Conclusion: YEARS was shown to be associated with a shorter ED visit time compared with the conventional diagnostic algorithm, leading to faster start of treatment in the case of confirmed PE and savings on ED resources.
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The YEARS algorithm for suspected pulmonary embolism: shorter visit time and reduced costs at the emergency department