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- W3039471490 abstract "A male infant is born at 30 weeks’ gestation via cesarean section to a 36-year-old gravida 4, para 4 woman. The antenatal course had been significant for in vitro fertilization and dichorionic-diamniotic twin pregnancy and gestational diabetes. Prenatal screening laboratory findings are normal. The patient has a birthweight of 1,635 g, with initial Apgar scores of 4 and 8. He has increased respiratory effort in the delivery room requiring resuscitation with continuous positive airway pressure (CPAP), 30 seconds of positive pressure ventilation, and supplemental oxygen. He is admitted to the NICU with the administration of CPAP but because of persistent work of breathing and respiratory acidosis, with a pH of 7.04 and Pco2 of 93 mm Hg (12.4 kPa), he undergoes intubation and receives surfactant for presumed respiratory distress syndrome. During intubation, it is noted that the infant has a tight airway with difficulty inserting a 3.0 endotracheal tube. It is also noticed that while cricoid pressure is being applied there are popping sounds as the tube is advanced.Chest radiography (Fig 1) shows calcifications extending proximal from the thoracic inlet to the mainstem bronchi and fading off at the level of the segmental airway. Subsequent computed tomography (Figs 2 and 3) shows long-segment tracheal, mainstem bronchi, and intermediate bronchus stenosis matching all sites of cartilage ring calcification. Plain film radiography shows abnormal stippling and calcification in the spine, hip, knee, and pelvis. Stippling of the femoral head is displayed in Fig 4.Figure 1. Chest radiograph.Figure 2. Computed tomography scan with 3-dimensional reconstruction.Figure 3. Lateral computed tomography scan.Figure 4. Left femur radiograph.Physical examination findings are unremarkable. He is …" @default.
- W3039471490 created "2020-07-10" @default.
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- W3039471490 date "2020-07-01" @default.
- W3039471490 modified "2023-09-23" @default.
- W3039471490 title "Case 1: Tracheobronchial Calcifications in a Premature Infant with Respiratory Distress" @default.
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- W3039471490 doi "https://doi.org/10.1542/neo.21-7-e479" @default.
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