持续性向地 背地变向性位置...眼震患者临床特点的对比分析 郑志东.pdf

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Clinical Characteristics of Patients with Geotropic or Apogeotropic Persistent Direc⁃
tion-Changing Positional Nystagmus ZHENG Zhi-dong, LI Jing-jing, FENG Kai. Department l of Neurol-
ogy, Beijing Shunyi Hospital, Beijing 101300, China
Abstract Objective: To investigate the clinical characteristics of geotropic and apogeotropic persistent direc-
tion-changing positional nystagmus (DCPN). Methods：A total of 56 patients with DCPN admitted to our hos-
pital were retrospectively included in the DCPN group; persistent DCPN was confirmed in all patients by video-
nystagmography and the roll test. The patients were further divided into the apogeotropic (40 cases) and geotro-
pic (16 cases) DCPN subgroups according to the direction of nystagmus. Sixty-six patients with common otoli-
thiasis diagnosed during the same time frame were collected as the control group. The clinical data (age, gender,
diabetes, hypertension, hyperlipidemia, smoking, drinking, insomnia, etc.), the provocating factors and the ear-re-
lated symptoms (hearing loss, tinnitus, etc.) were all reco