Feasibility of Transthoracic Echocardiography Evaluation of Pulmonary Arteries Following Arterial Switch Operation

Sean M. Lang, R. Lee Crawford, Pushpa Shivaram, Joshua A. Daily, Elijah H. Bolin, Xinyu Tang, R. Thomas Collins

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Pulmonary artery (PA) stenosis is the most common late sequela following arterial switch for d-transposition of the great arteries. The purpose of this study was to assess the effectiveness of transthoracic echocardiography in evaluating the pulmonary arteries following repair. This was a retrospective, cross-sectional analysis of all echocardiograms performed on patients following arterial switch operation. A numerical scoring system was devised and used to quantify PA visualization based on 2D images, color mapping, and spectral Doppler. The study cohort included 150 patients. The ability to visualize at least one PA was poorer in patients who were older [> 10 years (47%) vs ≤ 10 years (89%) (p < 0.001)], and who had larger body surface area (BSA) (> 1.25 m 2 (40%) vs ≤ 1.25 m 2 (90%) (p < 0.001)]. Regardless of age, 2D visualization of the pulmonary arteries was poor for the entire cohort. Of those with at least one non-visualized PA, only 54% had alternative imaging performed or ordered within the 5 years at or prior to their last echocardiogram. In conclusion, PA visualization following arterial switch is worse in patients who are older and in those with larger BSA. In such patients, alternative forms of imaging are more likely to be necessary.

Original languageEnglish (US)
Pages (from-to)1523-1529
Number of pages7
JournalPediatric Cardiology
Volume39
Issue number8
DOIs
StatePublished - Dec 1 2018

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Pulmonary Artery
Echocardiography
Transposition of Great Vessels
Arterial Switch Operation
Cohort Studies
Color
Cross-Sectional Studies

Keywords

  • Congenital heart disease
  • LeCompte
  • Pediatric
  • Transposition

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Cardiology and Cardiovascular Medicine

Cite this

Feasibility of Transthoracic Echocardiography Evaluation of Pulmonary Arteries Following Arterial Switch Operation. / Lang, Sean M.; Crawford, R. Lee; Shivaram, Pushpa; Daily, Joshua A.; Bolin, Elijah H.; Tang, Xinyu; Collins, R. Thomas.

In: Pediatric Cardiology, Vol. 39, No. 8, 01.12.2018, p. 1523-1529.

Research output: Contribution to journalArticle

Lang, Sean M. ; Crawford, R. Lee ; Shivaram, Pushpa ; Daily, Joshua A. ; Bolin, Elijah H. ; Tang, Xinyu ; Collins, R. Thomas. / Feasibility of Transthoracic Echocardiography Evaluation of Pulmonary Arteries Following Arterial Switch Operation. In: Pediatric Cardiology. 2018 ; Vol. 39, No. 8. pp. 1523-1529.
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