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Discrepancies in Measurement of the Thoracic Aorta: JACC Review Topic of the Week Feasibility of Coronary Access and Aortic Valve Reintervention in Low-Risk TAVR Patients Single Versus Dual Antiplatelet Therapy Following TAVR: A Systematic Review and Meta-Analysis of Randomized Controlled Trials Comparison of Early Surgical or Transcatheter Aortic Valve Replacement Versus Conservative Management in Low-Flow, Low-Gradient Aortic Stenosis Using Inverse Probability of Treatment Weighting: Results From the TOPAS Prospective Observational Cohort Study Anticoagulation After Surgical or Transcatheter Bioprosthetic Aortic Valve Replacement Coronary Access After TAVR With a Self-Expanding Bioprosthesis: Insights From Computed Tomography Transcatheter Aortic Valve Replacement in Low-Risk Patients With Symptomatic Severe Bicuspid Aortic Valve Stenosis Short Length of Stay After Elective Transfemoral Transcatheter Aortic Valve Replacement Is Not Associated With Increased Early or Late Readmission Risk A Controlled Trial of Rivaroxaban After Transcatheter Aortic-Valve Replacement 2020 ACC Expert Consensus Decision Pathway on Management of Conduction Disturbances in Patients Undergoing Transcatheter Aortic Valve Replacement A Report of the American College of Cardiology Solution Set Oversight Committee

Review ArticleVolume 76, Issue 2, July 2020

JOURNAL:JACC Article Link

Discrepancies in Measurement of the Thoracic Aorta: JACC Review Topic of the Week

JA Elefteriades, SK Mukherjee, H Mojibian et al. Keywords: aortic root; ascending aorta ;CT; echo cardiography; imaging discrepancies; thoracic aortic aneurysm

ABSTRACT

Clinicians often encounter discrepant measurements of the ascending aorta that impede, complicate, and impair appropriate clinical assessment—including key issues of presence or absence of aortic growth, rate of growth, and need for surgical intervention. These discrepancies may arise within a single modality (computed tomography scan, magnetic resonance imaging, or echocardiography) or between modalities. The authors explore the origins and significance of these discrepancies, revealing that some “truth” usually underlies all the discrepant measurements, which individually look at the ascending aorta with different perspectives and dimensional definitions. The authors conclude with a practical “question and answer” section that addresses common specific issues in interpretation and management of patients in the real-world setting.