ArticleOpen heart2026
Patient radiation exposure during invasive graft surveillance after heart transplantation.
Article in Open heart, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
9 authors.
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Abstract
backgroundInvasive procedures, including endomyocardial biopsy (EMB), right heart catheterisation (RHC) and coronary angiography (CA), are essential components of graft surveillance after heart transplantation (HTx). Fluoroscopy remains the primary imaging modality. Data on patient radiation exposure in HTx recipients are limited. The aim of this study was to investigate the kerma-area product (KAP, Gy.cm
methodsRetrospective cohort study at a tertiary care centre including patients who underwent HTx between January 2018 and December 2019. All patients were followed through their invasive organ surveillance period with a median follow-up time of 4.9 years. For the primary end point, KAP (Gy.cm
resultsA total of 382 procedures were performed: 330 EMB (86.4%), 22 EMB+RHC (5.8%), 30 EMB+CA with or without RHC (7.8%). The mean annual KAP from fluoroscopic procedures per patient was 50.9±3.95 Gy.cm
conclusionRadiation exposure is highest in the first-year post-HTx, with CA contributing most to later peaks. Time-specific and procedure-specific strategies are warranted to minimise exposure and optimise long-term care.
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