Elongation of the Aorta after Thoracic Endovascular Aortic Repair: A longitudinal study

Chun-Ku Chen, Hsiao-Ping Chou, Ying-Yueh Chang and Chun-Che Shih
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Chun-Ku Chen: Department of Radiology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
Hsiao-Ping Chou: Department of Radiology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
Ying-Yueh Chang: Department of Radiology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
Chun-Che Shih: Division of Radiology, Yonghe Cardinal Tien Hospital, New Taipei City 23445, Taiwan

IJERPH, 2020, vol. 17, issue 4, 1-10

Abstract: Aortic morphology is associated with age, with the diameter being larger in older people. Thoracic endovascular aortic repair (TEVAR) is a treatment for aortic diseases, such as aortic dissection. When evaluating patients, aortic elongation could interfere with the classification of TEVAR complications. The longitudinal change in aortic length has not been studied in detail. In patients receiving thoracic endovascular aortic repair between 2007 and 2013, we determined the aortic length between the sinotubular junction, left common carotid artery, subclavian artery, and celiac artery on their first five annual follow-up computed tomography (CT) exams. Using the immediate post-TEVAR follow-up CT as the comparison reference and a lengthening of the aortic segment by 10 mm or more as the definition of elongation, 16 of 41 (39%) showed elongation between the innominate artery and celiac artery. When compared with the immediate follow-up CT, a higher proportion of patients showed elongation at the fifth year’s follow-up CT than the first year’s follow-up CT ( p < 0.01), and the average lengthening per year was 1.7 mm. There was progressive lengthening of the aorta after TEVAR.

Keywords: aorta; elongation; thoracic endovascular aortic repair (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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