Publications by authors named "Paola Elisa Cogo"

Infective uvulitis is a rare condition in children. In this report, we describe the case of a 4-year old-patient who presented a group A Streptococcus pharyngitis with uvulitis. No signs of epiglottitis were detected at nasal fibroscopy.

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Surfactant protein B (SP-B) plays a key role in surfactant homeostasis affecting its biophysical properties and physiological function. Recently, a method to measure SP-B amount and kinetics from tracheal aspirates (TAs) became available. The main objective of this study was to improve the critical steps of the procedure to obtain a better SP-B sensitivity.

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Disaturated-phosphatidylcholine (DSPC) and phosphatidylglycerol (PG) are respectively the first and the third most abundant phospholipid in human alveolar surfactant. Their concentration decreases in airway surfactant of adults and infants with respiratory distress syndrome and cystic fibrosis. In this study, we used mass spectrometry (IRMS) to investigate the turnover of DSPC and PG in tracheal aspirates (TA) obtained from infants with normal or diseased lungs.

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Objective: To compare plasma lipids in preterm infants given a new lipid emulsion containing 10% fish oil, 50% medium-chain triacylglycerols, and 40% soybean oil, compared with a standard preparation containing 50:50 medium-chain triacylglycerols: soybean oil.

Study Design: Preterm infants weighing <1250 g at birth (n=47) were randomly assigned to receive parenteral nutrition with a fish oil lipid (n=23) or soybean oil (n=24). Plasma lipid classes and plasma and red blood cell fatty acids were determined by gas chromatography in cord blood and on postnatal days 7 and 14.

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Objective: The goal was to study exogenous surfactant disaturated phosphatidylcholine (DSPC) kinetics in preterm infants with respiratory distress syndrome (RDS) who were treated with 100 or 200 mg/kg porcine surfactant.

Methods: Sixty-one preterm infants with RDS undergoing mechanical ventilation received, within 24 hours after birth, 100 mg/kg (N = 40) or 200 mg/kg (N = 21) porcine surfactant mixed with [U-(13)C]dipalmitoylphosphatidylcholine. Clinical and respiratory parameters were recorded, and DSPC half-life and pool size and endogenous DSPC synthesis rate were calculated.

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Objective: The goal was to establish whether reduced amounts of pulmonary surfactant contribute to postextubation respiratory failure in preterm infants recovering from respiratory distress syndrome.

Methods: We prospectively recruited preterm infants who needed mechanical ventilation and exogenous surfactant for treatment of moderate/severe respiratory distress syndrome and could not be extubated before day 3 of life. (13)C-labeled dipalmitoyl-phosphatidylcholine was administered endotracheally as tracer before extubation, for estimation of surfactant disaturated phosphatidylcholine pool size and half-life.

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