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. 2020 Nov;55(11):3119-3125.
doi: 10.1002/ppul.25004. Epub 2020 Aug 13.

Persistent tachypnea of infancy: Follow up at school age

Elias Seidl  1 , Julia Carlens  2 , Nicolaus Schwerk  2 , Martin Wetzke  2 , Honorata Marczak  3 , Joanna Lange  3 , Katarzyna Krenke  3 , Sarah J Mayell  4 , Amparo Escribano  5 , Jürgen Seidenberg  6 , Frank Ahrens  7 , Helge Hebestreit  8 , Lutz Nährlich  9 , Tugba Sismanlar  10 , Ayse T Aslan  10 , Deborah Snijders  11 , Nicola Ullmann  12 , Matthias Kappler  1 , Matthias Griese  1
Affiliations

Persistent tachypnea of infancy: Follow up at school age

Elias Seidl et al. Pediatr Pulmonol. 2020 Nov.

Abstract

Background: Persistent tachypnea of infancy (PTI) is a rare pediatric lung disease of unknown origin. The diagnosis can be made by clinical presentation and chest high resolution computed tomography after exclusion of other causes. Clinical courses beyond infancy have rarely been assessed.

Methods: Patients included in the Kids Lung Register diagnosed with PTI as infants and now older than 5 years were identified. Initial presentation, extrapulmonary comorbidities, spirometry and clinical outcome were analyzed.

Results: Thirty-five children older than 5 years with PTI diagnosed as infants were analyzed. At the age of 5 years, 74% of the patients were reported as asymptomatic and did not develope new symptoms during the observational period at school-age (mean, 3.9 years; range, 0.3-6.3). At the age of about 10 years, none of the symptomatic children had abnormal oxygen saturation during sleep or exercise anymore. Lung function tests and breathing frequency were within normal values throughout the entire observational period.

Conclusions: PTI is a pulmonary disease that can lead to respiratory insufficiency in infancy. As at school age most of the previously chronically affected children became asymptomatic and did not develop new symptoms. We conclude that the overall clinical course is favorable.

Keywords: children's interstitial lung disease; lung function test; neuroendocrine cell hyperplasia of infancy; pulmonary function test; rare diseases.

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References

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