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KMID : 1039420190530010050
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Journal of Pathology and Translational Medicine
2019 Volume.53 No. 1 p.50 ~ p.56
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Quilty Lesions in the Endomyocardial Biopsies after Heart Transplantation
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Cho Hae-Yon
Choi Jin-Oh
Jeon Eun-Seok
Kim Jung-Sun
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Abstract
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Background: The aim of this study was to investigate the clinical significance of Quilty lesions in endomyocardial biopsies (EMBs) of cardiac transplantation patients.
Methods: A total of 1190EMBs from 117 cardiac transplantation patients were evaluated histologically for Quilty lesions,acute cellular rejection, and antibody-mediated rejection. Cardiac allograft vasculopathy wasdiagnosed by computed tomography coronary angiography. Clinical information, including thepatients’ survival was retrieved by a review of medical records.
Results: Eighty-eight patients(75.2%) were diagnosed with Quilty lesions, which were significantly associated with acute cellularrejection, but not with acute cellular rejection ≥ 2R or antibody-mediated rejection. In patientsdiagnosed with both Quilty lesions and acute cellular rejection, the time-to-onset of Quilty lesionsfrom transplantation was longer than that of acute cellular rejections. We found a significant associationbetween Quilty lesions and cardiac allograft vasculopathy. No significant relationship wasfound between Quilty lesions and the patients’ survival.
Conclusions: Quilty lesion may be an indicator of previous acute cellular rejection rather than a predictor for future acute cellular rejection.
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KEYWORD
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Quilty lesion, Endocardial inflammatory infiltrates, Acute cellular rejection, Cardiac allograft vasculopathy, Heart transplantation
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