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Sudden SNHL remains one of the many puzzling and frustrating disorders in otolaryngology. Not understanding the pathophysiology of this disorder is one of the greatest limiting factors in developing rational drug therapy. As this excellent article by Marzo states, there are many potential causes, and many different treatment approaches have been developed without rigorous studies to back up their use. Thus, currently we have little idea of how the disease or the potential treatments work.
Staecker H. Broadening the Spectrum of Treatment Options for SNHL. Arch Otolaryngol Head Neck Surg. 2005;131(8):734. doi:10.1001/archotol.131.8.734