The main objective is to analyze the abnormality of physical condition, mental health and blood examination of the patients with benign paroxysmal positional vertigo (BPPV). Besides, the investigators aim to establish a database of BPPV based on multimodal magnetic resonance imaging data in the brain to identify high-risk patients with residual dizziness (RD) and systematically establish the comprehensive assessment system for the precise diagnosis, treatment and recovery of RD, optimize the tactics of BPPV management in China.
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Differences between patients with BPPV and control group in brain structure
Timeframe: baseline and 1 and 6 months
Differences between two groups in brain function
Timeframe: baseline and 1 and 6 months
Changes on vertigo symptoms
Timeframe: baseline and 1 and 6 months
Changes on vertigo symptoms
Timeframe: baseline and 1 and 6 months
Changes on vertigo symptoms
Timeframe: baseline and 1 and 6 months
Difference in blood markers between the two groups
Timeframe: baseline and 1 and 6 months
Difference in blood markers between the two groups
Timeframe: baseline and 1 and 6 months
Difference in blood markers between the two groups
Timeframe: baseline and 1 and 6 months