Reintervention Burden and Vessel Growth After Surgical Reimplantation of a Pulmonary Artery During Childhood

Pediatric Cardiology
Stephan J WuAndrew C Glatz

Abstract

Children requiring reimplantation of a branch pulmonary artery (PA) are at risk for postoperative stenosis and impaired growth of the reimplanted PA. Outcomes and risk factors for reintervention and impaired growth are incompletely described. We reviewed data on patients who underwent reimplantation of a branch PA between 1/1/99 and 5/1/15 at a single center. The primary outcome was reintervention to treat postoperative stenosis. The secondary outcome was "catch-up" growth (faster diameter growth of the affected PA compared with the unaffected PA from the preoperative to follow-up measurements.). Twenty-six patients were identified with a total follow-up of 102.2 patient-years (median 2.5 years). Diagnoses included LPA sling (n = 12) and isolated PA of ductal origin with (n = 7) or without (n = 7) tetralogy of Fallot (ToF). All had primary repair of the anomalous PA. Seventeen (65%) had reintervention with median time to first reintervention of 69 (range 1-1005) days and median of 1.5 (range 1-6) reinterventions. 94% of reinterventions were transcatheter (53% balloon and 41% stent angioplasty). Patients with reintervention were younger (hazard ratio 0.75 per log-day, p = 0.02) and lower weight (hazard ratio 0.18 per log-kg, p =...Continue Reading

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Citations

Mar 2, 2018·Cardiology in the Young·Ziyad M BinsalamahCarlos M Mery

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