The Annals of otology, rhinology, and laryngology · 2014
Utility of peak inspiratory flow in managing subglottic stenosis.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Tasche Kendall K, Bayan Semirra, Schularick Nathan M, Wilson Jeff, Hoffman Henry T
Аннотация
OBJECTIVES: To identify the utility of peak inspiratory flow (PIF) in the assessment and management of subglottic stenosis through correlation of clinical presentation with PIF.
STUDY DESIGN: Case report.
METHODS: Review of the clinical course of a 31-year-old woman with the diagnosis of granulomatosis with polyangiitis. Repeated PIF measurements at clinic visits were obtained over a 30-month follow-up.
RESULTS: Twenty-seven PIF measurements were obtained at 31 otolaryngology clinic visits. Correlations were identified between low PIF measurements with the clinical symptom shortness of breath (2.04±0.38 L/s, n=10), clinically recorded stridor at rest (1.64±0.41 L/s, n=3), and urgent operative intervention (1.60±0.23 L/s, n=5). Correlations were identified between high PIF measurement with patient report of normal breathing (3.07±0.35 L/s, n=16) and clinical observation of absence of stridor at rest (2.81±0.32 L/s, n=23). There was a statistically significant difference in the patient's PIF values with patient-documented shortness of breath vs no shortness of breath (P=.001) and clinician-noted stridor vs no stridor (P=.017).
CONCLUSION: Peak inspiratory flow measurements correlate with degree of airway compromise and are helpful to monitor the degree of airway obstruction and document response to treatment.
STUDY DESIGN: Case report.
METHODS: Review of the clinical course of a 31-year-old woman with the diagnosis of granulomatosis with polyangiitis. Repeated PIF measurements at clinic visits were obtained over a 30-month follow-up.
RESULTS: Twenty-seven PIF measurements were obtained at 31 otolaryngology clinic visits. Correlations were identified between low PIF measurements with the clinical symptom shortness of breath (2.04±0.38 L/s, n=10), clinically recorded stridor at rest (1.64±0.41 L/s, n=3), and urgent operative intervention (1.60±0.23 L/s, n=5). Correlations were identified between high PIF measurement with patient report of normal breathing (3.07±0.35 L/s, n=16) and clinical observation of absence of stridor at rest (2.81±0.32 L/s, n=23). There was a statistically significant difference in the patient's PIF values with patient-documented shortness of breath vs no shortness of breath (P=.001) and clinician-noted stridor vs no stridor (P=.017).
CONCLUSION: Peak inspiratory flow measurements correlate with degree of airway compromise and are helpful to monitor the degree of airway obstruction and document response to treatment.