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 = 0.02) at initial repair. Of the 18 with PA growth data, 8 (44%) had catch-up growth. There were no identified differences between those who did and did not demonstrate catch-up growth. Despite a practice of primary reimplantation and aggressive postoperative reintervention, these results suggest that changes in strategy are needed or that there are intrinsic patient factors that have more influence on longer-term reimplanted PA growth.
journal_name
Pediatr Cardioljournal_title
Pediatric cardiologyauthors
Wu SJ,Downing T,Mascio C,Gillespie MJ,Dori Y,Rome JJ,Glatz ACdoi
10.1007/s00246-017-1767-6subject
Has Abstractpub_date
2018-02-01 00:00:00pages
390-397issue
2eissn
0172-0643issn
1432-1971pii
10.1007/s00246-017-1767-6journal_volume
39pub_type
杂志文章abstract::Cardiac rhabdomyoma (CR) is the most common cardiac tumor in newborns. Approximately 75% of cases are associated with tuberous sclerosis complex. Although these tumors usually spontaneously regress after 2 years of age, they can be life-threatening when they obstruct major cardiac inflow or outflow pathways. Everolimu...
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