The West Jutland Tele-Electrocardiogram Registry (WEJU-tECG): content, data quality, and research potential

Aim: To present the content, data quality, and research potential of the West Jutland Tele-Electrocardiogram Registry (WEJU-tECG). Methods: Danish patients reporting symptoms indicating heart disease in the prehospital setting are subjected to a 12-lead tele-electrocardiogram (ECG) in the ambulance,...

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Published in:Scandinavian journal of public health 2022-11, Vol.50 (7), p.935-945
Main Authors: Bonnesen, Kasper, Tofig, Bawer J., Niemann, Troels, Bøttcher, Morten, Schmidt, Morten
Format: Article
Language:English
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Summary:Aim: To present the content, data quality, and research potential of the West Jutland Tele-Electrocardiogram Registry (WEJU-tECG). Methods: Danish patients reporting symptoms indicating heart disease in the prehospital setting are subjected to a 12-lead tele-electrocardiogram (ECG) in the ambulance, which is digitally sent to a local tele-centre. WEJU-tECG is a newly established Danish registry containing information from the individual tele-ECGs received at the Regional Hospital West Jutland tele-centre. Results: WEJU-tECG holds extracted information from all tele-ECGs with a valid Civil Personal Register number between 2011 and 2020. WEJU-tECG contains information on patient characteristics, tele-ECG data (including a computerised tele-ECG interpretation), vital signs, and time information. A unique Civil Personal Register number allows individual-level linkage between WEJU-tECG and other Danish registries and enables complete follow-up. WEJU-tECG contains 43,696 tele-ECGs from 29,489 different patient contacts among 20,280 different patients. WEJU-tECG contains 5566 patients with ST-segment deviations. The median age is 67 years and 45% are women. Completeness is highest for time information (100% for all variables), tele-ECG data (99% for heart rate, the specific intervals and axes, and QRS duration, and 86% for J-point deviation), and patient characteristics (100% for all variables). Completeness is lowest for vital signs (13% for systolic, diastolic, and mean arterial blood pressure, and 12% for blood oxygen saturation). The computerised tele-ECG interpretation had a negative predictive value of 80% for ST-segment elevation myocardial infarction and 94% for non-ST-segment elevation myocardial infarction and a positive predictive value of 45% for ST-segment elevation myocardial infarction and 32% for non-ST-segment elevation myocardial infarction. Conclusions: WEJU-tECG is a novel population-based tele-ECG registry with high research potential.
ISSN:1403-4948
1651-1905
DOI:10.1177/14034948221103149