Comorbid Cupulolithiasis Is Rare in Patients With Horizontal Semicircular Canal Canalolithiasis.
Otol Neurotol
; 41(3): e357-e362, 2020 03.
Article
en En
| MEDLINE
| ID: mdl-31868781
ABSTRACT
OBJECTIVES:
Considering that otolith particles pass through the canal until attaching to the cupula in the canal-side horizontal semicircular canal (HSCC) cupulolithiasis, comorbidity of HSCC canalolithiasis and cupulolithiasis may occur. We aimed to investigate the incidence of comorbidity of cupulolithiasis in patients with HSCC canalolithiasis and to improve treatment efficacy. STUDYDESIGN:
Retrospective study.SETTING:
Tertiary referral academic center. PATIENTS Ninety-seven consecutive patients with HSCC canalolithiasis between March 2017 and March 2019 were included. MAIN OUTCOMEMEASURES:
Coexistence of HSCC cupulolithiasis was hierarchically investigated. 1) Spontaneous reversal of initial nystagmus is observed bilaterally in a head-roll test (HRT), 2) nystagmus is in the same direction at each of the three times the supine position was tested, and 3) both bowing and leaning nystagmus with opposite direction are observed.RESULTS:
Of 97 patients with HSCC canalolithiasis, 2 patients (2%) had comorbid HSCC cupulolithiasis.CONCLUSIONS:
Although coexistence of HSCC canalolithiasis and cupulolithiasis should be considered when spontaneous reversal of nystagmus direction is observed without position change during a HRT, the incidence of coexistence is very low. However, canalith repositioning maneuvers for both canalolithiasis and cupulolithiasis should be performed in cases with comorbidity.
Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Nistagmo Patológico
/
Vértigo Posicional Paroxístico Benigno
Tipo de estudio:
Observational_studies
/
Risk_factors_studies
Límite:
Humans
Idioma:
En
Revista:
Otol Neurotol
Asunto de la revista:
NEUROLOGIA
/
OTORRINOLARINGOLOGIA
Año:
2020
Tipo del documento:
Article