Sleep-related breathing disorder in non-infectious pulmonary complications after pediatric allogeneic stem cell transplantation
Ukonmaanaho, Elli-Maija; Kirjavainen, Turkka; Martelius, Laura; Lohi, Jouko; Karikoski, Riitta; Koskenvuo, Minna; Taskinen, Mervi (2022-10-25)
Ukonmaanaho, EM., Kirjavainen, T., Martelius, L. et al. Sleep-related breathing disorder in non-infectious pulmonary complications after pediatric allogeneic stem cell transplantation. Pediatr Res 93, 1983–1989 (2023). https://doi.org/10.1038/s41390-022-02339-7
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https://urn.fi/URN:NBN:fi-fe20230825107575
Tiivistelmä
Abstract
Background: Chronic lung problems are a rare but serious complication of allogeneic hematopoietic stem cell transplantation (HSCT). We studied clinical phenotypes and polysomnography appearance of breathing abnormality in late onset non-infectious pulmonary complications (NIPS).
Methods: We reviewed Finnish national reference database between the years 1999 and 2016. We identified 12 children with most severely decreased pulmonary function and performed polysomnography and 24 aged-matched controls out of 325 performed pediatric allogeneic HSCTs.
Results: All patients with NIPS had severely decreased pulmonary function already at 6 months post HSCT with median FEV1 value 42% (interquartile range (IQR) 30–52%) of predicted normal values. Seven children had obstructive and five children more restrictive lung function. Children with obstructive lung function showed laborious breathing (7/7), decreased oxygenation and ventilation-to-perfusion mismatch (6/7), or REM-sleep-related hypoventilation (4/7) on polysomnography. Children with restrictive lung function (5/12) did not show sleep-related breathing disorder.
Conclusions: Children going through allogeneic HSCT who develop severe chronic obstructive lung function are more likely to present with sleep-related hypoxia and hypoventilation than children with restrictive lung function.
Impact: Children with severe obstructive lung function and chronic lung graft-versus-host disease following hematopoietic stem cell transplantation are more likely to present with sleep-related mild hypoxia and hypoventilation than children with restrictive lung disease.
To our knowledge there are no reports on sleep-related breathing disorders and ventilatory function measured by polysomnography in children with pulmonary complications after allogeneic HSCT.
Polysomnography may add to the differential diagnostics between patients with BOS and other non-infectious pulmonary complications.
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