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RESPIRATORY DISTRESS IN A NEONATE - WHEN BOARDS MEET REAL LIFE
Journal of Investigative Medicine ; 70(4):1022-1023, 2022.
Article in English | EMBASE | ID: covidwho-1868746
ABSTRACT
Case Report A male infant is born at 37w to a 34-year-old G3P2 mother by vaginal delivery after an uncomplicated pregnancy. Prenatal screens are negative. The patient had a birth weight of 2,620 g, with Apgar scores of 9 and 9. On day 2 after birth, had increased work of breathing which prompted transfer to a level II NICU for further management. On arrival to the unit, the infant is tachypneic with mild chest wall retractions and thick nasal secretions. A CBC and blood culture were collected and empiric antibiotic therapy was started. Respiratory viral panel and COVID test are negative. A chest radiograph shows a middle lobe opacity concerning for pneumonia (figure 1). His clinical status failed to improve and on day 4 after birth, supplemental oxygen was provided. The primary team consulted ENT and Pulmonology services. Flexible laryngoscopy showed a normal anatomy. Pulmonology recommended transferring to our NICU for a chest CT with bronchoscopy. Our differential diagnosis for this neonate with respiratory distress that fails to improve over time or with antibiotics was broad, but further testing revealed this infant's condition. A CBC, CRP and a blood gas were collected on admission and were normal. ID service was consulted. A Chest CT showed bilateral atelectasis. Bronchoscopy showed a normal anatomy. Bronchoalveolar lavage was sent. Umbilicus swab was positive for MRSA, nasal wash/sputum culture/bronchoalveolar fluid also grew moderate S. aureus. Nasal ciliary biopsy sent for electron microscopy. Positive umbilicus and nasal swab, and subsequently BAL for MRSA led to a diagnosis of MRSA neonatal rhinitis. Therapy with IV vancomycin was initiated and later changed to oral clindamycin to complete a total of 14 days of therapy. The neonate was weaned off oxygen support on day 11. His clinical symptoms improved. He was discharged on oral clindamycin with follow up appointments with pulmonology and ID clinics. His ciliary biopsy showed absence of outer and inner dynein arms, compatible with the diagnosis of primary ciliary dyskinesia (PCD) (figure 2). Genetic testing for PCD showed mutations in the DNAAF1 and CCDC40 genes. This neonate was diagnosed with primary ciliary dyskinesia (PCD) but his presentation at birth was nonspecific and the differential diagnosis was broad. There is no gold standard diagnostic test for PCD and high clinical suspicion is important. Since it is most likely an AR inheritance, screening of family members is essential. Initial management of neonates may include measures that manage the respiratory distress, airway clearance to prevent respiratory infections and treat bacterial infections. Chest physiotherapy may help if recurrent atelectasis. Flexible bronchoscopy and bronchoalveolar lavage may help both to diagnose and treat the underlying infection. Antibiotic therapy based on organism growth for exacerbations may prevent development of bronchiectasis. (Figure Presented).
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Full text: Available Collection: Databases of international organizations Database: EMBASE Language: English Journal: Journal of Investigative Medicine Year: 2022 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: EMBASE Language: English Journal: Journal of Investigative Medicine Year: 2022 Document Type: Article