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A prospective natural history study of coronary atherosclerosis following liver transplantation.
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- Author(s): Koshy AN;Koshy AN;Koshy AN; Nerlekar N; Nerlekar N; Gow PJ; Gow PJ; Gow PJ; Lim R; Lim R; Lim R; Smith G; Smith G; Smith G; Galea M; Galea M; Rodrigues TS; Rodrigues TS; Lim HS; Lim HS; Lim HS; Teh AW; Teh AW; Teh AW; Farouque O; Farouque O; Farouque O
- Source:
Atherosclerosis [Atherosclerosis] 2022 Mar; Vol. 344, pp. 40-48. Date of Electronic Publication: 2022 Jan 30.- Publication Type:
Journal Article; Observational Study; Research Support, Non-U.S. Gov't- Language:
English - Source:
- Additional Information
- Source: Publisher: Elsevier Country of Publication: Ireland NLM ID: 0242543 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1484 (Electronic) Linking ISSN: 00219150 NLM ISO Abbreviation: Atherosclerosis Subsets: MEDLINE
- Publication Information: Publication: Limerick : Elsevier
Original Publication: Amsterdam, Elsevier. - Subject Terms: Coronary Artery Disease*/complications ; Coronary Artery Disease*/etiology ; Liver Transplantation*/adverse effects ; Plaque, Atherosclerotic*/complications; Aged ; Computed Tomography Angiography ; Coronary Angiography ; Coronary Vessels/diagnostic imaging ; Coronary Vessels/pathology ; Female ; Humans ; Male ; Middle Aged ; Predictive Value of Tests ; Prospective Studies ; Risk Factors
- Abstract: Background & Aims: Cardiovascular disease remains a leading cause of mortality following liver transplantation (LT). Whether it may be partially attributable to accelerated development of subclinical coronary artery disease is unclear. We sought to assess the longitudinal effect of LT on coronary plaque burden.
Methods: A prospective observational study was conducted in 30 asymptomatic patients who underwent computed tomographic coronary angiography (CTCA) pre- and a median 4-years following LT. Serial changes were quantified using coronary artery calcium score (CACS) and semi-quantitative CTCA scores, in a blinded fashion. High-risk plaque (HRP) characteristics were also assessed. Plaque progression was defined using prognostically significant cut-offs.
Results: In the study population (age 59.8 ± 8 years, 80% male), 93 of 459 coronary segments had plaque at baseline. On follow-up CTCA, 68 (+73.1%) new lesions appeared in segments without plaque initially. Nineteen (63.3%) patients demonstrated a clinically significant rise in plaque burden on CACS and semi-quantitative indices on CTCA (all p<0.001). CAD-RADS score rose to ≥4 (≥70% stenosis) in 9 (30%) patients, necessitating ischemia-guided revascularization in 3 (10%) patients. While the absence of coronary calcification or plaque pre-LT was protective, presence of HRP and development of post-transplant metabolic syndrome were both strong independent predictors of atherosclerosis progression.
Conclusions: Our findings suggest that LT is associated with early progression of coronary atherosclerosis. Accelerated progression was noted particularly in those with HRP and post-transplant metabolic syndrome. Understanding the mechanisms of this novel observation and the potential role of preventive cardiovascular therapies in this population merit further study.
(Copyright © 2022 Elsevier B.V. All rights reserved.) - Contributed Indexing: Keywords: Atherosclerosis; Computed tomography; Coronary angiography; Coronary artery disease; Liver transplantation; Natural history
- Molecular Sequence: ANZCTR ACTRN12619001560189
- Publication Date: Date Created: 20220208 Date Completed: 20220321 Latest Revision: 20220321
- Publication Date: 20240628
- Accession Number: 10.1016/j.atherosclerosis.2022.01.020
- Accession Number: 35134655
- Source:
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