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The correlation between right-to-left shunt and sudden sensorineural hearing loss: a case-control study.

The correlation between right-to-left shunt and sudden sensorineural hearing loss: a case-control study.

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200064067
Enrollment
Unknown
Registered
2022-09-25
Start date
2022-09-13
Completion date
Unknown
Last updated
2023-04-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sudden sensorineural hearing loss

Interventions

Case group:Contrast saline transcranial doppler, c-TCD

Sponsors

Peking University Shenzhen Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: (1)Aged 18-65 years old; (2)Diagnosed as SSNHL: a sudden onset of sensorineural hearing loss within 72 hours, at least in the two consecutive frequency of hearing loss of =20dBHL; (3)Idiopathic hearing loss but no resulted by another specific disease.

Exclusion criteria

Exclusion criteria: (1)Conductive hearing loss (2)External ear inflammation, tympanitis, cholesteatoma of the middle ear, or ear sclerosis (3)Menieres disease (4)Congenital hearing loss (5)Vestibulocochlear benignant or malignant tumor (6)Syphilitic deafness (7)History of ear injury or trauma (8)History of drug-induced hearing loss (9)Serious heart and lung insufficiency (10)Drop out of the study for personal reasons

Design outcomes

Primary

MeasureTime frame
The positive rate of right-to-left shunt (RLS);—

Secondary

MeasureTime frame
The positive rate of patent foramen ovale (PFO);—

Countries

the People's Republic of China

Contacts

Public ContactHu Jun
dochj@163.com13828756497

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 8, 2026