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Postnasal Drip
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DOI：10.1016/j.jaip.2024.04.030.png)
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Abstract
En 中文
Postnasal drip (PND) is a common symptom encountered when evaluating subjects with sinonasal disease; it may be present without sinonasal disease or as a symptom of laryngopharyngeal re fl ux. It is postulated that PND stems from dysfunction of normal mucus clearance mechanisms; however, there is no de fi nitive evidence elucidating an exact pathophysiology. Compounding the uncertainties surrounding PND is the lack of an objective assessment tool. Instead, treating physicians must rely on subjective complaints and investigators utilize validated patient-reported outcome instruments, such as the Sino-Nasal Outcome Test, to determine treatment eff i cacy. This review seeks to discuss the current understanding of PND and evidence regarding effective treatment strategies. (c) 2024 American Academy of Allergy, Asthma & Immunology (J Allergy Clin Immunol Pract 2024;12:1472-8)
Keywords:
Allergic rhinitis
Chronic rhinosinusitis
Lar- yngopharyngeal re fl ux
Mucociliary clearance
Mucociliary transport
Mucus
Postnasal drip
Sino-Nasal Outcome Test
SNOT
Visual analog scale
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