Susanne Georgsson, Tommy Carlsson
Readability of web-based sources about induced abortion: a cross-sectional study
BMC medical informatics and decision making
pulmonary embolism pe frequently requires diagnosis ct pulmonary angiogram ctpa appropriate application evidencebased clinical decision tools reduce unnecessary ctpas study assessed adherence efficacy various aspects queensland health suspected pe diagnostic pathway including wells score pe rule criteria perc ageadjusted ddimer interpretation retrospective study ctpas ordered 1 january 30 april 2023 tertiary urban ed southeast queensland data clinical variables ddimer ctpa results collected medical record radiology database review descriptive analyses used determine adherence queensland guidelines performance ddimer interpretation tools including comparison ageadjusted pe new pretest probability ptpbased model using ddimer cutoff 1000 ngml wells score 4 500 ngml wells score 456 total 573 ctpas available analysis 124 95 confidence interval 100154 diagnostic yield stratification wells score showed yields 40 185 41 low moderate highrisk patients respectively twentyfive patients lowptp received ctpa could excluded perc rule ageadjusted ddimer interpretation may prevented 26 ctpas false negatives whereas ptp approach may prevented 128 ctpas four false negatives guideline adherence improved adherence existing clinical decision tools may reduce unnecessary ctpa ordering increase diagnostic yield use ageadjusted ddimer good sensitivity whereas new ptp approach require prospective research