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An Unusual Cause of Respiratory Distress in Term Neonate.

ABSTRACT: We report a female infant who was born at 41+6 weeks of gestation to a consanguineous parent, and the initial newborn examination was within normal. At 12 hours of age, she developed tachypnea; with desaturation, she had continuous thick whitish oral secretion. Admitted to the neonatal intensive care unit (NICU) for further management, her initial blood investigation, including blood gas and chest X-ray, was normal. Due to the persistent unexplained respiratory distress with a normal chest X-ray, we obtained a further history from parents with three siblings with respiratory symptoms but no definitive diagnosis. The genetic testing of whole-exome sequences (WES) confirmed a homozygous variant c.804_806del, p.(Lys268del) in the RSPH9 gene that causes primary ciliary dyskinesia (PCD). Her three siblings were tested and found to have the same genetic mutation.

SUBMITTER: Alallah JS

PROVIDER: S-EPMC9428618 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature

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An Unusual Cause of Respiratory Distress in Term Neonate.

Alallah Jubara S JS Makki Reham R Saber Arwa A AA Moustafa Ahmed A Ghandourah Hasan H

Cureus 20220801 8

We report a female infant who was born at 41+6 weeks of gestation to a consanguineous parent, and the initial newborn examination was within normal. At 12 hours of age, she developed tachypnea; with desaturation, she had continuous thick whitish oral secretion. Admitted to the neonatal intensive care unit (NICU) for further management, her initial blood investigation, including blood gas and chest X-ray, was normal. Due to the persistent unexplained respiratory distress with a normal chest X-ray ...[more]

PMID: 36059358

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Project description:ObjectivesInvestigations of acute respiratory distress syndrome in adults suggest hypoxemia is an uncommon cause of death. However, the epidemiology of death in pediatric acute respiratory distress syndrome is not well characterized. We aimed to describe the cause, mode, and timing of death in pediatric acute respiratory distress syndrome nonsurvivors. We hypothesized that most deaths would be due to nonpulmonary factors, rather than hypoxemia.DesignRetrospective, decedent-only analysis.SettingTwo large, academic PICUs.PatientsNonsurvivors with pediatric acute respiratory distress syndrome.InterventionsNone.Measurements and main resultsOf 798 subjects with pediatric acute respiratory distress syndrome, there were 153 nonsurvivors (19% mortality). Median time to death was 6 days (interquartile range, 3-13 d) after pediatric acute respiratory distress syndrome onset. Patients dying less than 7 days after pediatric acute respiratory distress syndrome onset had greater illness severity and worse oxygenation. Patients dying less than 7 days were more likely to die of a neurologic cause, including brain death. Patients dying greater than or equal to 7 days after pediatric acute respiratory distress syndrome onset were more commonly immunocompromised. Multisystem organ failure predominated in deaths greater than or equal to 7 days. Withdrawal of therapy was the most common mode of death at all timepoints, accounting for 66% of all deaths. Organ dysfunction was common at time of death, irrespective of cause of death. Refractory hypoxemia accounted for only a minority of pediatric acute respiratory distress syndrome deaths (20%).ConclusionsIn pediatric acute respiratory distress syndrome, early deaths were due primarily to neurologic failure, whereas later deaths were more commonly due to multisystem organ failure. Deaths from neurologic causes accounted for a substantial portion of nonsurvivors. Refractory hypoxemia accounted for only a minority of deaths. Our study highlights limitations associated with using death as an endpoint in therapeutic pediatric acute respiratory distress syndrome trials.

Dataset Information

An Unusual Cause of Respiratory Distress in Term Neonate.

Publications

An Unusual Cause of Respiratory Distress in Term Neonate.

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