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Use of preoperative CT scan to predict visibility of Round window (a key inner ear structure) during Cochlear implant surgery

Correlation of Preoperative High Resolution Computed Tomography Temporal Bone Parameters with Transcanal visibility of Round Window during Cochlear Implantation by Veria technique - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2026/02/102975
Enrollment
30
Registered
2026-02-04
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-02

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

Conditions

Health Condition 1: H905- Unspecified sensorineural hearingloss

Interventions

Intervention1: NIL: NIL Intervention2: Nil: Nil Intervention3: Nil: Nil

Sponsors

ALL INDIA INSTITUTE OF MEDICAL SCIENCES JODHPUR
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: All patients undergoing Cochlear Implantation by Veria technique

Exclusion criteria

Exclusion criteria: Any external, middle and inner ear anomaly History of prior ear surgery

Design outcomes

Primary

MeasureTime frame
Correlation between preoperative HRCT temporal bone parameters and intraoperative transcanal visibility of the round window during cochlear implantation performed by the Veria technique.Timepoint: 2 years—

Secondary

MeasureTime frame
Predictive value of the angle between the External Auditory Canal (EAC) and the round window (as measured on preoperative HRCT) in determining the ease of intraoperative transcanal round window visibility.Timepoint: 2 years;Association between round window niche shape (categorized as O -shaped or C -shaped) on HRCT and intraoperative round window visibility.Timepoint: 2 years;Correlation of round window niche orientation on HRCT with intraoperative transcanal visibility.Timepoint: 2 years;Influence of cochlear rotation and cochlear axis orientation on transcanal round window visualization during surgery.Timepoint: 2 years;Effect of degree of mastoid pneumatization on intraoperative transcanal round window visibility.Timepoint: 2 years—

Countries

India

Contacts

Public ContactDR PUJA SHARMA

ALL INDIA INSTITUTE OF MEDICAL SCIENCES JODHPUR

meetugoyal@yahoo.com9649954000

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Mar 14, 2026