Reliability of peak expiratory flow percentage compared to endoscopic grading in subglottic stenosis

Autor:	Alena Santeerapharp, Ramon A. Franco, Kanittha Choksawad, Sungjin A. Song
Rok vydání:	2020
Předmět:	pulmonary function testing Spirometry medicine.medical_specialty Cotton‐Myer grading medicine.diagnostic_test business.industry Intraclass correlation Subglottic stenosis laryngotracheal stenosis General Medicine medicine.disease Laryngology Speech and Language Science Pulmonary function testing Stenosis subglottic stenosis medicine Radiology business Grading (education) Kappa Original Research Laryngotracheal stenosis
Zdroj:	Laryngoscope Investigative Otolaryngology
ISSN:	2378-8038
DOI:	10.1002/lio2.492
Popis:	Objective To determine the reliability of pulmonary function testing compared to endoscopic grading in the assessment of subglottic stenosis. Methods Consecutively treated patients with subglottic stenosis at a tertiary care specialty hospital from 2009 to 2019 were identified. Two fellowship‐trained laryngologists and two otolaryngologists blinded to clinical history reviewed laryngo tracheoscopic examinations and assessed the degree of stenosis using the Cotton‐Myer grading system (% stenosis). Nine full flow‐volume loops were performed at the time of each exam. Results The endoscopic images of 45 subjects were graded for degree of stenosis and the spirometry data were analyzed. The kappa values for Cotton‐Myer grade overall was 0.37, grade I was −0.103, grade II was 0.052, and grade III was 0.045. The overall intraclass correlation of the physician grading of estimated percent obstruction (% stenosis) was 0.712 (P
Databáze:	OpenAIRE
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