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    BackgroundMany studies have reported the relevance of donor-derived cfDNA (dd-cfDNA) after lung transplantation (LTx) to diagnose and monitor acute rejection (AR) or chronic rejection or infection (INF). However, the analysis of cfDNA fragment size has not been studied. The aim of this study was to determine the clinical relevance of dd-cfDNA and cfDNA size profiles in events (AR and INF) during the first month after LTx.MethodsThis prospective, single-center study includes 62 LTx recipients at the Marseille Nord Hospital, France. Total cfDNA quantification was performed by fluorimetry and digital PCR, dd-cfDNA by NGS (AlloSeq cfDNA-CareDX®), and the size profile by BIABooster (Adelis®). A bronchoalveolar lavage and transbronchial biopsies at D30 established the following groups: not-injured and injured graft (AR, INF, or AR+INF).ResultsQuantification of total cfDNA was not correlated with the patient’s status at D30. The percentage of dd-cfDNA was significantly higher for injured graf

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    • 2⃣ Federica Pezzuto presents a study from @FrontImmunol by Pascal Pedini et al on the clinical relevance of #ddcfDNA and #cfDNA in evaluating patients after #LungTx. 🫁▶️ https://t.co/cacZ2mNwWp #ISHLT #ISHLTJournalWatch #ISHLTEarlyCareer https://t.co/8tHGSOorNC

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    Hear from international experts from the ISHLT community about how to get more involved at your institution, step into the roles that will advance your career, and get more engaged with ISHLT. The Rise of a Career Avenger: Finding Your Leadership Powers David Peng, MD, University of Michigan, Ann Arbor, MI USA AHFTX IDN Steering Committee, Pediatrics PC Representative Grants…

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    • Full program details are now available for the #ISHLTEarlyCareer Heroic Pathways: Navigating Your Career Journey with Superhero Wisdom webinar. 🔽 Register now at https://t.co/JYNRyyw5vJ https://t.co/qwP9EGhrlb