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Patent foramen ovale (PFO) is closely related to neurological diseases such as stroke, migraine, obstructive sleep apnea syndrome (OSAS) and decompression sickness (DCS). It has been suggested that PFO closure could be effectively prevent and treat these neurological diseases. This article focus on exploration of the pathogenesis, epidemiology and clinical characteristics of neurological diseases related to PFO, and to discuss the potential complexity and future development of PFO closure for the treatment of these diseases. The aim is to provide guidance for the diagnosis and treatment of neurological diseases related to PFO. [ABSTRACT FROM AUTHOR]