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Revista argentina de cardiología

versión On-line ISSN 1850-3748

Resumen

CARPEGGIANI, CLARA et al. Multi-step Web-based Training: the Road to Stress Echo 2020. Rev. argent. cardiol. [online]. 2018, vol.86, n.6, pp.14-19. ISSN 1850-3748.

Background: A standardized training platform helps to achieve reading harmonization in stress echocardiography (SE) beyond regional wall motion abnormalities (RWMA).

Objective: To harmonize SE reading criteria across different laboratories.

Methods: The core lab prepared for readers an obligatory 2-hour web-based learning module for 5 parameters: RWMA; B-lines; coronary flow velocity reserve (CFVR) based on peak diastolic flow velocity on the left anterior descending coronary artery; left ventricular contractile reserve (LVCR, from raw measurementis of end-systolic volume, ESV); systolic arterial pulmonary pressure (from raw measurementis of peak tricuspid regurgitant jet velocity, TRV). The quality control test consisted of 20 cases selected by the coordinating center. The a priori determined pass threshold was 18/20 (>90%) with intra-class correla-tion coefficient between the coordinating lab and the peripheral reader >0.90.

Resultis: The certification was completed by 84 readers for RWMA, 65 for B-lines, 30 for CFVR, 24 for ESV and 20 for TRV The mean reading time per attempt was shorter for TRV (9±4 min), CFVR (13±6 min) and B-lines (17±3 min), intermedi-ate for ESV (24±7 min), and longer for RWMA (29±12 min, p <0.01). The success rate of the first attempt was higher for CFVR (85%), intermediate for TRV (75%) and B-lines (43 %), lower for ESV (35%) and lowest for RWMA (28 %, p <0.01).

Conclusions: A web-based learning platform improves image interpretation skills without need for expensive imaging equip-ment or a patient to scan. The road to certification is longer for RWMA, intermediate for ESV, and shorter for TRV, CFVR and B-lines.

Palabras clave : Stress Echocardiography - Web-based Platform - Quality Control.

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