E-072 onyx versus nbca and coils in the treatment of intracranial dural arteriovenous fistulae, a 17 year local retrospective review
Notice bibliographique
Résumé
Introduction/purpose Intracranial Dural arteriovenous fistulae (DAVFs) with cortical venous drainage have a significant morbidity and mortality. Complete closure of these lesions is necessary to reduce these risks. This study retrospectively compares the outcomes of all the local endovascular embolization of DAVFs from 1998 to 2015. We propose that Onyx embolization resulted in fewer complications, similar procedure time and a higher chance of complete obliteration with no need for post-embolization surgery for the DAVF than other embolization methods. Materials and methods 117 patients with endovascular embolization for intracranial vascular malformations from 1998 to 2015 were retrospectively reviewed. Patients with arteriovenous malformations or carotid cavernous fistulas were excluded. 27 patients had DAVFs which were treated with embolization during this time period. Inclusion criteria was patients that had DAVFs which were treated with embolization and had imaging on our archiving system. 23 patients met this criteria. Onyx cases were defined with intention to treat principle- any time Onyx was used, it was defined as Onyx case. 11 cases were treated with Onyx embolization, 9 cases were treated with nBCA (N-Butyl Cyanoacrylate) and 3 cases were treated with coils. Successful closure rates, complications and procedure time were compared between the various embolization treatment types. Results Post embolization surgery was required for only 2 out of 11 patients treated with Onyx, 7 out of 9 patients treated with nBCA and 1 out of 3 patients treated with coils. The chances of not requiring post embolization surgery with Onyx (81.8%) was significantly higher (p = 0.008) than nBCA (22.22%). Although the complication rate with onyx (9.1%) was lower compared with that of nBCA (22.22%), it failed to reach statistical significance because of small sample size. Procedural time was not significantly different between Onyx (mean 267 mins) and nBCA (mean 288 mins) (p = 0.59). The odds ratio of a DAVF being treated with only Onyx and then requiring no follow up surgery was 15.75. Conclusions Over a 17 year period, our institution finds Onyx superior in completely obliterating DAVFs to nBCA. It was also found to be as safe and as fast as nBCA, as DAVF embolization with nBCA needed multiple catheterizations and multiple injections. Disclosures D. Choo: None. J. Shankar: None.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,002 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,001 |
| Bibliométrie | 0,002 | 0,003 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,001 | 0,001 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,001 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,002 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».