Hemodynamic Instability during Squid Embolization of Dural Arteriovenous Fistula: A Case Report
There are few documented cases of bradycardia or asystole occurring during Onyx embolization of intracranial dural arteriovenous fistulas (DAVFs), although these events are more commonly observed in open neurosurgical procedures, particularly those involving the skull base. We present a case treated...
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Korean Society of Interventional Neuroradiology
2025-03-01
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| Series: | Neurointervention |
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| Online Access: | http://neurointervention.org/upload/pdf/neuroint-2024-00521.pdf |
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| author | Ehab Mahmoud Osman Koc Mostafa Mahmoud |
| author_facet | Ehab Mahmoud Osman Koc Mostafa Mahmoud |
| author_sort | Ehab Mahmoud |
| collection | DOAJ |
| description | There are few documented cases of bradycardia or asystole occurring during Onyx embolization of intracranial dural arteriovenous fistulas (DAVFs), although these events are more commonly observed in open neurosurgical procedures, particularly those involving the skull base. We present a case treated for a ruptured paramedian occipital DAVF. During the administration of Squid into the middle meningeal artery, while balloons were inflated in the large occipital arteries bilaterally to control the flow during embolization of the DAVF, the patient experienced an abrupt episode of sinus bradycardia, which recurred after a second injection of Squid. After temporarily halting the injections and deflating the balloons, a third injection was successfully administered without complications, allowing total exclusion of the fistula. |
| format | Article |
| id | doaj-art-70eda6b594ca4a3bb4d4b330ff9ca689 |
| institution | DOAJ |
| issn | 2093-9043 2233-6273 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Korean Society of Interventional Neuroradiology |
| record_format | Article |
| series | Neurointervention |
| spelling | doaj-art-70eda6b594ca4a3bb4d4b330ff9ca6892025-08-20T02:45:32ZengKorean Society of Interventional NeuroradiologyNeurointervention2093-90432233-62732025-03-01201283110.5469/neuroint.2024.00521447Hemodynamic Instability during Squid Embolization of Dural Arteriovenous Fistula: A Case ReportEhab MahmoudOsman Koc0Mostafa Mahmoud1 Department of Neuroradiology, Neuroscience Institute, Hamad Medical Corporation, Hamad General Hospital, Doha, Qatar Department of Neuroradiology, Neuroscience Institute, Hamad Medical Corporation, Hamad General Hospital, Doha, QatarThere are few documented cases of bradycardia or asystole occurring during Onyx embolization of intracranial dural arteriovenous fistulas (DAVFs), although these events are more commonly observed in open neurosurgical procedures, particularly those involving the skull base. We present a case treated for a ruptured paramedian occipital DAVF. During the administration of Squid into the middle meningeal artery, while balloons were inflated in the large occipital arteries bilaterally to control the flow during embolization of the DAVF, the patient experienced an abrupt episode of sinus bradycardia, which recurred after a second injection of Squid. After temporarily halting the injections and deflating the balloons, a third injection was successfully administered without complications, allowing total exclusion of the fistula.http://neurointervention.org/upload/pdf/neuroint-2024-00521.pdfliquid embolic materialarteriovenous fistulacardiac arrestbradycardiasquid |
| spellingShingle | Ehab Mahmoud Osman Koc Mostafa Mahmoud Hemodynamic Instability during Squid Embolization of Dural Arteriovenous Fistula: A Case Report Neurointervention liquid embolic material arteriovenous fistula cardiac arrest bradycardia squid |
| title | Hemodynamic Instability during Squid Embolization of Dural Arteriovenous Fistula: A Case Report |
| title_full | Hemodynamic Instability during Squid Embolization of Dural Arteriovenous Fistula: A Case Report |
| title_fullStr | Hemodynamic Instability during Squid Embolization of Dural Arteriovenous Fistula: A Case Report |
| title_full_unstemmed | Hemodynamic Instability during Squid Embolization of Dural Arteriovenous Fistula: A Case Report |
| title_short | Hemodynamic Instability during Squid Embolization of Dural Arteriovenous Fistula: A Case Report |
| title_sort | hemodynamic instability during squid embolization of dural arteriovenous fistula a case report |
| topic | liquid embolic material arteriovenous fistula cardiac arrest bradycardia squid |
| url | http://neurointervention.org/upload/pdf/neuroint-2024-00521.pdf |
| work_keys_str_mv | AT ehabmahmoud hemodynamicinstabilityduringsquidembolizationofduralarteriovenousfistulaacasereport AT osmankoc hemodynamicinstabilityduringsquidembolizationofduralarteriovenousfistulaacasereport AT mostafamahmoud hemodynamicinstabilityduringsquidembolizationofduralarteriovenousfistulaacasereport |