良性阵发性位置性眩晕的即时重复测试（IRT）：一种具有成本效益的检查。
Immediate repeated testing (IRT) for BPPV: A cost-effective examination.
作者信息
H Mella Mariam, Al Hakim Elena, Khoury Jihad, Fata Fouad
机构信息
Department of Otolaryngology Saint George Hospital University Medical Center Beirut Lebanon.
出版信息
Laryngoscope Investig Otolaryngol. 2022 Apr 22;7(3):832-834. doi: 10.1002/lio2.800. eCollection 2022 Jun.
OBJECTIVE
To show that a negative Dix-Hallpike test or Pagnini-McClure test may convert into positive after head shaking in cases of semicircular canalith jam.
METHODS
This is a retrospective study, where 768 cases of BPPV were studied of which 36 were found to have canalith jam.
RESULTS
Thirty-six patients (4.7%) presented with canalith jam; 4.8% of posterior canal BPPV and 3.7% of lateral canal BPPV were attributed to canalith jam.
CONCLUSION
Immediate repeated testing for BPPV allows us to identify undiagnosed cases of BPPV where canalith jam has occurred. It is a cost-effective technique that provides benefits for clinicians, patients, and the healthcare system.
目的
证明在半规管耳石嵌塞的病例中，阴性的 Dix-Hallpike 试验或 Pagnini-McClure 试验在摇头后可能转为阳性。
方法
这是一项回顾性研究，研究了768例耳石症患者，其中36例被发现存在耳石嵌塞。
结果
36例患者（4.7%）存在耳石嵌塞；后半规管耳石症的4.8%和水平半规管耳石症的3.7%归因于耳石嵌塞。
结论
对耳石症立即进行重复测试，使我们能够识别发生耳石嵌塞的未确诊耳石症病例。这是一种具有成本效益的技术，可为临床医生、患者和医疗保健系统带来益处。
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