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Stridor may be congenital or acquired. It can be acute, intermittent or chronic. Laryngotracheal inflammation (croup) is the most common cause of acute stridor. Laryngomalacia is the most common cause of chronic stridor. In the infant and newborn, stridor usually indicates a congenital disorder including laryngomalacia, vocal cord paralysis or subglottic stenosis. Most of the studies related to causes, management and outcome of stridor are from western countries. From India there are only limited studies. So, we did this study of stridor in infants and newborns in a tertiary care centre. Here we get the privilege to treat a lot of children with breathing difficulty and noisy respiration^ who are referred from peripheral hospitals because of unavailability of resources and equipment. So, we did this study to describe the common causes, management and short term outcome of stridor in infants and neonates in an Indian scenario. AIM: To study the causes of stridor in infants and describe the management and follow short term outcome of stridor in infants in a tertiary care centre. MATERIALS AND METHODS STUDY DESIGN: A prospective descriptive study 4.1 SAMPLE SIZE Sample size was calculated using the equation: za x p x (100 p) d where, a = Type I error « 5% za = 1.96 p = expected proportion of variable of interest % of infants with laryngomalacia = 60%, obtained from the study Laryngomalacia: disease presentation, spectrum, and management by Landry AM et al. p= 60% d= allowable error « 1020% of p= (20/1-00) x 60= 12 d= 12 (1.96)X60 X40 Thus, n = — = 64 n =

Causes, Management And Outcome DF Stridor In Infants-A Prospective Study In Tertiary Care Hospital In Kanyakurai District