Abstract
Croup and “croup syndromes” are terms that have been applied to a number of clinical entities of respiratory tract infection causing upper airway obstruction secondary to inflammatory edema. Nomenclature and classification have been based on anatomic criteria with some obvious overlap (22), often resulting in a confusion of terms. Patients may have predominantly laryngeal involvement, and their illness is classified as laryngitis, although they occasionally have a “barking” cough suggestive of a subglottic process. In others, most of the inflammatory changes are in the sub-glottic area. Still other patients have tracheitis and/or bronchitis in addition to subglottic edema. Thus, the clinical entity of croup is derived from a group of infections that may involve the tracheobronchial tract from the larynx to the bronchi, and even the pulmonary parenchyma. Moreover, some authors use the term “laryngotracheobronchitis” to refer to croup (66), whereas others reserve this term as a specific description of patients with bacterial or viral tracheitis superimposed on laryngotracheitis (14). To further confuse matters, pediatric textbooks frequently include epiglottitis (supraglottitis) in discussions of croup-like illnesses.
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Muszynski, M.J., Marks, M.I. (1987). Epiglottitis, Croup, and Laryngitis. In: Schlossberg, D. (eds) Infections of the Head and Neck. Clinical Topics in Infectious Disease. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-4640-4_10
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DOI: https://doi.org/10.1007/978-1-4612-4640-4_10
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