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Lung Transplantation for FLNA-Associated Progressive Lung Disease.


ABSTRACT: OBJECTIVE:To describe a series of patients with pathogenic variants in FLNA and progressive lung disease necessitating lung transplantation. STUDY DESIGN:We conducted a retrospective chart review of 6 female infants with heterozygous presumed loss-of-function pathogenic variants in FLNA whose initial presentation was early and progressive respiratory failure. RESULTS:Each patient received lung transplantation at an average age of 11 months (range, 5-15 months). All patients had pulmonary arterial hypertension and chronic respiratory failure requiring tracheostomy and escalating levels of ventilator support before transplantation. All 6 patients survived initial lung transplantation; however, 1 patient died after a subsequent heart-lung transplant. The remaining 5 patients are living unrestricted lives on chronic immunosuppression at most recent follow-up (range, 19 months to 11.3 years post-transplantation). However, in all patients, severe ascending aortic dilation has been observed with aortic regurgitation. CONCLUSIONS:Respiratory failure secondary to progressive obstructive lung disease during infancy may be the presenting phenotype of FLNA-associated periventricular nodular heterotopia. We describe a cohort of patients with progressive respiratory failure related to a pathogenic variant in FLNA and present lung transplantation as a viable therapeutic option for this group of patients.

SUBMITTER: Burrage LC 

PROVIDER: S-EPMC5534178 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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<h4>Objective</h4>To describe a series of patients with pathogenic variants in FLNA and progressive lung disease necessitating lung transplantation.<h4>Study design</h4>We conducted a retrospective chart review of 6 female infants with heterozygous presumed loss-of-function pathogenic variants in FLNA whose initial presentation was early and progressive respiratory failure.<h4>Results</h4>Each patient received lung transplantation at an average age of 11 months (range, 5-15 months). All patients  ...[more]

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