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2 "Sung Won Li"
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Original Articles
Clinical Characteristics of Sudden Sensorineural Hearing Loss Accompanying Benign Paroxysmal Positional Vertigo
Sung Min Park, Bin Kwon, Sung Won Li, Seok Min Hong, Sung Kyun Kim
Res Vestib Sci. 2020;19(2):71-78.   Published online June 15, 2020
DOI: https://doi.org/10.21790/rvs.2020.19.2.71
  • 5,281 View
  • 120 Download
  • 1 Crossref
AbstractAbstract PDF
Objectives
Idiopathic unilateral sudden sensorineural hearing loss (SSNHL) with simultaneous benign paroxysmal vertigo (BPPV) is known to be associated with poor hearing recovery. We aimed to investigate clinical findings in patients with SSNHL with BPPV and analyze prognostic factors including presence of BPPV related to hearing outcome.
Methods
We retrospectively reviewed the electronic medical data of 14 patients with concurrent SSNHL and BPPV (combined group). We selected 52 patients without BPPV as a control group who have matched initial threshold of pure tone audiometry and age of each patient in the combined group. We evaluated clinical characteristics of all participants and compared hearing outcomes between the 2 groups. A multivariate logistic regression analysis was performed to investigate the factors related to hearing recovery.
Results
Initial mean pure tone audiometry (PTA) threshold of combined group was 90.36±26.2 dB. Posterior canal was most commonly involved (n=7, 50%), and 8 (57%) patients showed abnormal video head impulse test results. There was no significant difference between hearing recovery rates of combined and control group (p=0.237) and mean pure tone audiometry threshold changes were not significantly different between the 2 groups (p=0.942). Old age (≥60 years), high initial PTA threshold (>90 dB), and obesity (body mass index ≥ 25 kg/m2) were poor prognostic predictors.
Conclusions
There was no difference between hearing outcomes of combined group and profound SSNHL only group. BPPV was not a significant prognostic factor of SSNHL patients.

Citations

Citations to this article as recorded by  
  • Which Is More Important for the Prognosis of Sudden Sensorineural Hearing Loss with Vertigo, Canal Paresis or Benign Paroxysmal Positional Vertigo?
    Yong-Hwi An, Hyun Joon Shim
    Research in Vestibular Science.2021; 20(3): 101.     CrossRef
Outcome of Canalith Repositioning Procedure in Patients with Persistent and Transient Geotropic Direction-Changing Positional Nystagmus: Short-term Follow-up Evaluation
Seung Sik Jeon, Sung Won Li, Sung Kyun Kim, Yong Bok Kim, Il-Seok Park, Seok Min Hong
Res Vestib Sci. 2018;17(3):109-115.   Published online September 18, 2018
DOI: https://doi.org/10.21790/rvs.2018.17.3.109
  • 5,466 View
  • 99 Download
AbstractAbstract PDF
Objectives
Patients, who showed persistent geotropic-direction changing positional nystagmus (p-DCPN) tend to have different clinical manifestations from those who showed transient geotropic DCPN (t-DCPN). We investigated the clinical characteristics between p-DCPN and t-DCPN patients, and its recovery rate after canalith repositioning procedure (CRP).
Methods
Based on the duration of nystagmus, 117 geotropic DCPN patients were classified to 2 groups, p-DCPN and t-DCPN. Barbeque maneuver had been introduced towards the opposite direction of null plane for the p-DCPN patients, and to the opposite direction of stronger nystagmus for the t-DCPN patients.
Results
Seventy-four patients showed t-DCPN and 43 patients were classified to the p-DCPN cases. No p-DCPN patient showed prompt improvement after the 1st canalolith reposition therapy. Among the t-DCPN patients, 18 canal switch cases were found , but, there was no canal switch cases found among the p-DCPN The CRP has showed less effective for the p-DCPN patients than the t-DCPN patients (after the 1st CRP, 37 in 74 improved, p<0.001).
Conclusions
Due to its distinguishing clinical manifestation, p-DCPN may have different pathogenesis and clinical mechanisms from t-DCPN. And for the p-DCPN patients, the CRP seems not an efficient treatment compared to the t-DCPN patients. Further study with larger number of enrolled subjects is necessary.

Res Vestib Sci : Research in Vestibular Science