Research in Vestibular Science

A Case of Congenital Nystagmus Showing Reversed Optokinetic Nystagmus: Han Cheol Lee, Seungjoon Yang, Sung Huhn Kim, Seong Hoon Bae; Res Vestib Sci. 2023;22(3):95-96. Published online September 15, 2023; DOI: https://doi.org/10.21790/rvs.2023.22.3.95

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Prognosis of Sudden Low Frequency Hearing Loss during Long-term Follow-up: Ji Hyung Kim, Sang Hyun Kwak, Seong Hoon Bae, Sung Hunh Kim, Gi-Sung Nam; Res Vestib Sci. 2018;17(3):102-108. Published online September 18, 2018; DOI: https://doi.org/10.21790/rvs.2018.17.3.102

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Objectives
The prognosis of sudden low frequency hearing loss (SLFHL) is relatively good, but recurrences of hearing loss and possible progression to Meniere’s disease is still a clinically important concern. This study was conducted to confirm the rate at which SLFHL proceeds to Meniere’s disease.
Methods
We retrospectively analyzed the medical records of 160 SLFHL patients who were followed up for more than 6 months from September 2005 to August 2013. Progression, initial hearing level, recovery and recurrence of hearing loss were reviewed.
Results
106 patients (66.25%) had complete hearing recovery, 32 (20%) had recurrent hearing loss. Of the 32 recurrent group, 15 (9.38%) had progressed to Meniere’s disease after average of 1.7±1.4 years. The mean age of nonrecurrent group was higher than recurrent group (55.3±14.6 and 48.0±13.4, respectively, p=0.011). The threshold of 250Hz was significantly higher in the nonrecurrent group compared with recurrent group (p=0.047).
Conclusions
In patients with SLFHL, recurrence at relatively young age should be considered with the possibility of progression to Meniere’s disease.

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Findings of Intravenous Gadolinium Inner Ear Magnetic Resonance Imaging in Patients With Acute Low-Tone Sensorineural Hearing Loss
Hee Won Seo, Yikyung Kim, Hyung-Jin Kim, Won-Ho Chung, Young Sang Cho
Clinical and Experimental Otorhinolaryngology.2023; 16(4): 334. CrossRef

Prognosis of Sudden Low Frequency Hearing Loss During Long-Term Follow-Up: Ji Hyung Kim, Sang Hyun Kwak, Seong Hoon Bae, Sung Hunh Kim, Gi-Sung Nam; Received July 19, 2018 Accepted August 6, 2018 Published online August 6, 2018; [Accepted]

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Abstract: Objectives
The prognosis of Sudden low frequency hearing loss (SLFHL) is relatively good, but recurrences of hearing loss and possible progression to Meniere’s disease is still a clinically important concern. This study was conducted to confirm the rate at which SLFHL proceeds to Meniere’s disease. Materials and Methods: We retrospectively analyzed the medical records of 160 SLFHL patients who were followed up for more than 6 months from September 2005 to August 2013. Progression, initial hearing level, recovery and recurrence of hearing loss were reviewed. Results: 106 patients (66.25%) had complete hearing recovery, 32 (20%) had recurrent hearing loss. Of the 32 recurrent group, 15 (9.38%) had progressed to Meniere’s disease after average of 1.7±1.4 years. The mean age of non-recurrent group was higher than recurrent group (55.3±14.6 and 48.0±13.4, respectively, p=0.011). The threshold of 250Hz was significantly higher in the Non-recurrent group compared with recurrent group (p=0.047). Conclusion: In patients with SLFHL, recurrence at relatively young age should be considered with the possibility of progression to Meniere’s disease.

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