Selective embolization of the mastoid emissary vein for pulsatile tinnitus treatment: when is it indicated?
CT
angiography
temporal bone
Journal
Journal of neurointerventional surgery
ISSN: 1759-8486
Titre abrégé: J Neurointerv Surg
Pays: England
ID NLM: 101517079
Informations de publication
Date de publication:
Oct 2020
Oct 2020
Historique:
received:
27
01
2020
revised:
09
03
2020
accepted:
11
03
2020
pubmed:
2
4
2020
medline:
15
12
2020
entrez:
2
4
2020
Statut:
ppublish
Résumé
Venous pulsatile tinnitus (PT) can be caused by the perception of blood flow through the mastoid emissary vein (MEV). However, the causal relationship of this anomaly has not been established as selective occlusion of this vein has never been performed. The aim of this study was to report on a small series of patients suspected of having PT caused by an MEV, who underwent MEV embolization as treatment for PT, and to identify the correct indications for this procedure. This was a single center retrospective study (CNIL 2215065) including six patients with isolated disabling PT treated by embolization of the MEV, recruited between December 2017 and August 2019. Patient charts were systematically reviewed. All patients underwent non-contrast temporal bone CT and MRI. Mean age of the patients (five women, one male) was 56.3 years (range 40-71 years). Two patients presented with venous PT and four had neutral PT. The MEV was in direct contact with the mastoid air cells on temporal bone CT in all patients. Based on clinical examination, two patients presented with venous PT while four patients had neutral PT. In all cases of venous PT, selective embolization of the MEV caused the tinnitus to disappear, suggesting technical success. In contrast, embolization of the MEV had no effect in patients with neutral PT. We demonstrated that MEV could be a source of venous PT. Embolization of the MEV was effective only in cases of clinical venous PT.
Sections du résumé
BACKGROUND
BACKGROUND
Venous pulsatile tinnitus (PT) can be caused by the perception of blood flow through the mastoid emissary vein (MEV). However, the causal relationship of this anomaly has not been established as selective occlusion of this vein has never been performed. The aim of this study was to report on a small series of patients suspected of having PT caused by an MEV, who underwent MEV embolization as treatment for PT, and to identify the correct indications for this procedure.
METHODS
METHODS
This was a single center retrospective study (CNIL 2215065) including six patients with isolated disabling PT treated by embolization of the MEV, recruited between December 2017 and August 2019. Patient charts were systematically reviewed. All patients underwent non-contrast temporal bone CT and MRI.
RESULTS
RESULTS
Mean age of the patients (five women, one male) was 56.3 years (range 40-71 years). Two patients presented with venous PT and four had neutral PT. The MEV was in direct contact with the mastoid air cells on temporal bone CT in all patients. Based on clinical examination, two patients presented with venous PT while four patients had neutral PT. In all cases of venous PT, selective embolization of the MEV caused the tinnitus to disappear, suggesting technical success. In contrast, embolization of the MEV had no effect in patients with neutral PT.
CONCLUSIONS
CONCLUSIONS
We demonstrated that MEV could be a source of venous PT. Embolization of the MEV was effective only in cases of clinical venous PT.
Identifiants
pubmed: 32229589
pii: neurintsurg-2020-015855
doi: 10.1136/neurintsurg-2020-015855
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
999-1001Informations de copyright
© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.
Déclaration de conflit d'intérêts
Competing interests: None declared.