RARE GENETIC DISORDERS OF THE AIRWAYS

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This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. Primary Objecttives: 1) Utilize a systematic approach to the diagnostic evaluation of patients in order to distinguish between PCD, variant CF, and PHA. 2) Identify disease-causing mutation in genes. 3) Define the sensitivity and specificity of nasal nitric oxide (NO) for the diagnosis of PCD. Secondary Objective: 1) Compare prevalence and age-related severity of key clinical features among these 3 disorders (PCD, variant CF, and PHA), as well as comparison to "classic" CF, using comparable data in the CF Foundation-supported CF Registry.