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Published on: May 23, 2021
Temporal Bone Remodeling After Transverse Sinus Stenting for Pulsatile Tinnitus: Patterns, Temporal Evolution and
Wen Qi1, Jinyuan Liu1, Shengmei Ma1
1From the Department of Radiology (W.Q., J.L., S.M., X.H., X.W., X.Q., Z.W., P.Z.), Precision and Intelligence Medical Imaging Lab (X.Q., Z.W., P.Z.), Interventional Radiology (L.J., Z.Z.), Otorhinolaryngology Head and Neck Surgery (G.W.), Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China and Beijing Key Laboratory of Innovation and Transformation of Specialized CT/MR Imaging Equipment (X.Q., Z.W., P.Z.), Capital Medical University, Beijing, China.
Transverse sinus stenting for pulsatile tinnitus promotes bone regeneration in most patients, but new dehiscence can form. Bone remodeling is time-dependent and impacts tinnitus resolution and recurrence.
Area of Science:
- Neurosurgery
- Otolaryngology
- Radiology
Background:
- Venous pulsatile tinnitus is often caused by transverse sinus stenosis with sigmoid sinus wall dehiscence.
- Stent placement is effective for symptom relief, but temporal bone remodeling is not well understood.
Purpose of the Study:
- To characterize temporal bone remodeling after transverse sinus stenting.
- To evaluate the correlation between bone remodeling and clinical outcomes.
Main Methods:
- Retrospective cohort study of patients undergoing transverse sinus stenting.
- Preoperative and postoperative CT scans analyzed for bone regeneration and new dehiscence.
- Clinical outcomes including tinnitus resolution and recurrence were recorded.
Main Results:
- High rates of ipsilateral (94%) and contralateral (94.1%) bone regeneration observed.
- Bone regeneration is a dynamic, time-dependent process.
- New dehiscence developed in 14% of patients, correlating with recurrence.
Conclusions:
- Temporal bone remodeling after stenting is a dynamic, time-dependent process.
- Bilateral bone regeneration and ipsilateral new dehiscence formation occur post-stenting.
- Bone remodeling patterns correlate with tinnitus resolution and recurrence.
