Dimensions of the Ascending Aorta in Conotruncal Heart Defects

Trippel, Amedeo; Pallivathukal, Sabine; Pfammatter, Jean-Pierre; Hutter, Damian; Kadner, Alexander; Pavlovic, Mladen (2014). Dimensions of the Ascending Aorta in Conotruncal Heart Defects. Pediatric cardiology, 35(5), pp. 831-837. Springer Science+Business Media 10.1007/s00246-014-0862-1

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Dilatation of the ascending aorta is an important sequel in conotruncal anomalies, such as tetralogy of Fallot (TOF) or d-transposition of the great arteries (TGA). We measured dimensions and their progression at different levels of the ascending aorta in 80 patients. In TOF patients, mean z-score for aortic annulus was 1.65 (range -3.16-6.47), for sinus 1.93 (range -2.28-5.39), for st-junction 4.15 (range 0.0-8.18), and for ascending aorta 3.51 (range -1.23-6.36). Over time, annulus z-scores increased in the univariate analysis [0.07/year, 95 % confidence interval (CI) 0.01-0.14; p = 0.02], and this was unique to male patients (0.08/year, 95 % CI 0.00-0.15; p = 0.05). z-scores of the ascending aorta decreased (-0.1/year, 95 % CI -0.18 to -0.02; p = 0.02), and this was confined to patients without aortic regurgitation (AR; -0.09/year, 95 % CI -0.18 to -0.01; p = 0.04). In TGA, mean z-score for the aortic annulus was 2.13 (range -3.71-8.39), for sinus 1.77 (range -3.04-6.69), for st-junction 1.01 (range -5.44-6.71), and for ascending aorta 0.82 (range -4.91-6.46). In bivariate analysis, annulus z-scores decreased in females (-0.14/year, 95 % CI -0.25 to -0.03; p = 0.01) and in patients without AR (-0.07/year, 95 % CI -0.14-0.0; p = 0.03). z-scores of the ascending aorta increased significantly in males (0.08/year, 95 % CI 0.0 to 0.16; p = 0.05) and in patients with AR (0.12/year, 95 % CI 0.03-0.21; p = 0.01). In conclusion, TOF and TGA z-scores of the ascending aorta differ significantly from those of the normal population. Progression of z-scores over time is influenced by diagnosis, sex, and presence of AR.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Cardiovascular Surgery
04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Cardiology

UniBE Contributor:

Pallivathukal, Sabine; Pfammatter, Jean-Pierre; Hutter, Damian; Kadner, Alexander and Pavlovic, Mladen

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0172-0643

Publisher:

Springer Science+Business Media

Language:

English

Submitter:

Mladen Pavlovic

Date Deposited:

05 Jun 2014 11:00

Last Modified:

02 Nov 2015 10:14

Publisher DOI:

10.1007/s00246-014-0862-1

PubMed ID:

24469005

BORIS DOI:

10.7892/boris.41759

URI:

https://boris.unibe.ch/id/eprint/41759

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