Venous sinus stenting (pulsatile tinnitus): What Does the Evidence Show?

Current evidence

Pulsatile tinnitus is a different disease — and when a venous narrowing is the cause, stenting resolves it in most patients.

Evidence strength: Moderate (3/5) · Tier 2 — promising · Evidence independence: Primarily independent.

For PULSATILE tinnitus (a rhythmic whooshing in time with the heartbeat, ~4% of tinnitus), imaging can reveal a physical cause — most treatably, transverse/sigmoid sinus stenosis. A stent placed in the narrowed vein eliminates the turbulent flow generating the sound.

Did tinnitus loudness improve?

Strong. In correctly selected venous-stenosis patients, pooled analysis of 28 studies (N=616): 91.7% improvement and 88.6% complete resolution of the pulsatile sound. This is elimination of the percept — in a specific, imaging-confirmed subgroup.

Did tinnitus distress improve?

Moderate. Distress resolves with the sound; measured mostly as symptom resolution rather than THI/TFI.

Loudness means the tinnitus percept itself became quieter (psychoacoustic matching or loudness ratings). Distress means questionnaire scores such as THI/TFI, sleep, anxiety or quality of life improved — the sound may be unchanged. A THI/TFI improvement is never evidence the tinnitus got quieter.

How strong is the evidence?

Consistent ~90% resolution across 28 observational studies earns 3/5; no RCT and strict subgroup applicability cap it there.

Has the result been independently replicated?

Strong independent. Consistent improvement reported across many independent surgical centers (pooled 28 studies) — but uncontrolled designs.

What are the limitations?

• Observational evidence only — no RCT yet
• Applies to one imaging-confirmed cause, not pulsatile tinnitus generally
• Any new pulsatile tinnitus needs medical evaluation first — some causes are dangerous
• A surgical alternative exists for sinus-wall anomalies: sigmoid sinus wall reconstruction (see its own page)

What should patients know about safety?

Safety evidence: Limited. Real procedural risks (vessel injury, in-stent stenosis, antiplatelet therapy); requires an experienced neurointerventional team.

Is it available?

Regulatory status: Off-label use of approved stents; dedicated device investigational. Venous stents are used off-label for pulsatile tinnitus; a dedicated device (BosSTENT, Sonorous NV) is in a 90-patient trial (NCT07070089).

Availability: Neurointerventional centers, after full imaging workup · Europe: Same · Cost (approx.): Procedure-level costs; often covered when medically indicated

What the studies found

Related clinical trials

• BosSTENT dedicated venous stent for pulsatile tinnitus — Recruiting (verified at ClinicalTrials.gov 2026-09-03)

Tracked trials are research in progress, not recommended treatments.

Related treatments

• Sigmoid sinus wall reconstruction (pulsatile tinnitus) — Surgical repair of a defect in the bony wall of the sigmoid sinus — an alternative to stenting for one…