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Transmastoid Hydroxyapatite Resurfacing for Sigmoid Sinus Wall Anomalies Causing Pulsatile Tinnitus
Ian Newberry1, Julie Highland1, Alvin DeTorres1
1Division of Otolaryngology-Head and Neck Surgery, University of Utah School of Medicine, Salt Lake City, UT, USA.
The Annals of Otology, Rhinology, and Laryngology
|January 8, 2021
Summary
Transmastoid resurfacing using hydroxyapatite effectively treats pulsatile tinnitus caused by sigmoid sinus wall anomalies. This safe and reliable intervention resolves symptoms with no hearing loss or major complications.
Area of Science:
- Otolaryngology
- Neurosurgery
- Biomaterials Science
Background:
- Pulsatile tinnitus (PT) affects 4% of patients with tinnitus.
- Turbulent blood flow near sigmoid sinus anomalies, such as dehiscence (SSDe) or diverticulum (SSDi), often causes PT.
- Transmastoid sigmoid sinus resurfacing is a novel surgical option for these anomalies.
Purpose of the Study:
- To evaluate the safety and efficacy of transmastoid sigmoid sinus resurfacing using hydroxyapatite (HA) for pulsatile tinnitus secondary to sigmoid sinus wall anomalies (SSWA).
Main Methods:
- Retrospective case series of 6 patients (7 ears) with PT due to SSWA treated with transmastoid resurfacing using HA.
- Assessment of pre- and post-operative demographics, symptoms, hearing outcomes, and complications.
Main Results:
- All patients experienced resolution of pre-operative PT symptoms.
- Objective tinnitus was present in 100% of ears with SSDi.
- No significant hearing loss or major complications were observed post-surgery.
Conclusions:
- Transmastoid resurfacing with HA bone cement is a safe and reliable treatment for identified PT patients with SSWA.
- This intervention demonstrates promising results for symptom resolution and patient outcomes.
