Exercise stress echocardiography after childhood ross surgery: Functional outcome in 26 patients from a single institution

Linda Pauliks, Joseph Clark, Ashley Rogerson, Amy DiPietro, John Myers, Stephen Cyran

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Adult studies suggest a better functional outcome after aortic valve replacement with a pulmonary autograft compared with mechanical or homograft valves. Little is known about functional results after Ross surgery in growing children. This study reports formal exercise stress echocardiographic data from 26 pediatric Ross patients. A retrospective cohort study analyzed stress echocardiographic data of patients who underwent Ross surgery as a child (≤17 years old). All patients were operated by a single surgeon and underwent a Bruce protocol stress echocardiogram on the treadmill. Twenty-six patients (4 girls) were 9.3 ± 5.0 years at surgery and 14.9 ± 3.5 years (range 6.6-19.7 years) at follow-up. Mean follow-up was 5.4 ± 3.7 years (median 4.2). All were asymptomatic. The exercise time was normal in 87% of cases at 12.8 ± 2.5 min. On stress echocardiography, the mean right-ventricular outflow tract (RVOT) gradient increased from 38 ± 22 mmHg at rest to 82 ± 33 mmHg after exercise, but this did not correlate with exercise times. Stress echocardiography is useful in evaluating patients after childhood Ross surgery for aortic valve disease. In this pediatric cohort, most patients achieved normal exercise capacity. The presence of mild or moderate RVOT obstruction had no significant impact on exercise capacity.

Original languageEnglish (US)
Pages (from-to)797-801
Number of pages5
JournalPediatric cardiology
Volume33
Issue number5
DOIs
StatePublished - Jun 1 2012

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Stress Echocardiography
Exercise
Aortic Valve
Pediatrics
Ventricular Outflow Obstruction
Aortic Diseases
Autografts
Allografts
Cohort Studies
Retrospective Studies
Lung

All Science Journal Classification (ASJC) codes

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

Cite this

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abstract = "Adult studies suggest a better functional outcome after aortic valve replacement with a pulmonary autograft compared with mechanical or homograft valves. Little is known about functional results after Ross surgery in growing children. This study reports formal exercise stress echocardiographic data from 26 pediatric Ross patients. A retrospective cohort study analyzed stress echocardiographic data of patients who underwent Ross surgery as a child (≤17 years old). All patients were operated by a single surgeon and underwent a Bruce protocol stress echocardiogram on the treadmill. Twenty-six patients (4 girls) were 9.3 ± 5.0 years at surgery and 14.9 ± 3.5 years (range 6.6-19.7 years) at follow-up. Mean follow-up was 5.4 ± 3.7 years (median 4.2). All were asymptomatic. The exercise time was normal in 87{\%} of cases at 12.8 ± 2.5 min. On stress echocardiography, the mean right-ventricular outflow tract (RVOT) gradient increased from 38 ± 22 mmHg at rest to 82 ± 33 mmHg after exercise, but this did not correlate with exercise times. Stress echocardiography is useful in evaluating patients after childhood Ross surgery for aortic valve disease. In this pediatric cohort, most patients achieved normal exercise capacity. The presence of mild or moderate RVOT obstruction had no significant impact on exercise capacity.",
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Exercise stress echocardiography after childhood ross surgery : Functional outcome in 26 patients from a single institution. / Pauliks, Linda; Clark, Joseph; Rogerson, Ashley; DiPietro, Amy; Myers, John; Cyran, Stephen.

In: Pediatric cardiology, Vol. 33, No. 5, 01.06.2012, p. 797-801.

Research output: Contribution to journalArticle

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