Research progress on obstructive sleep apnea hypopnea syndrome combined with hypertension or hyperhomocysteinemia

Obstructive sleep apnea hypopnea syndrome (OSAHS), hyperhomocysteinemia (HHcy), and hypertension are all risk factors for cerebrovascular disease. At present, there are still few studies focused on the three risk factors existed simultaneously. This article reviews the research progress of OSAHS combined with HHcy or hypertension.