Biomedical subjects
Publications and source records attributed to L L Fan.
We evaluated 95 extubated neonates to determine if certain risk factors could predict the development of laryngeal injury. Risk factors were recorded prospectively during the intubation period and correlated with laryngeal injury determined by laryngoscopy after extubation. Duration of intubation greater than or equal to 7 days and 3 or more intubations significantly predicted injury.
We evaluated 73 consecutively extubated neonates for evidence of acute laryngeal injury from intubation. Hoarseness and stridor were graded by a clinical scoring system. Direct laryngoscopy with a flexible fiberoptic bronchoscope yielded a 44% incidence of moderate or major laryngeal injury. All patients with stridor had moderate or major injury, as did 38% of patients without stridor. Stridor was quite specific for detecting moderate or major injury but did not identify the type of injury.
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A small flexible fiberoptic bronchoscope was used for laryngeal examination in a series of neonates and infants; 104 laryngoscopies were performed in 59 patients. A high yield of diagnostic information was obtained in both postextubation patients and patients presenting with upper airway obstruction. No major complications were observed. This technique is useful in the evaluation of neonates and infants with potential upper airway problems.
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