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Acute carotid stenting plus aspirin during thrombectomy of tandem occlusions: A matched case-control study
CONCLUSIONS: Acute CAS plus Aspirin during thrombectomy for tandem occlusion stroke appears safe. Randomized trials are warranted to confirm these findings.PMID:37229632 | DOI:10.1177/15910199231175375
Source: Interventional Neuroradiology - May 25, 2023 Category: Radiology Authors: Mohamed-Isma ël Yahia Gaultier Marnat Stephanos Finitsis Igor Sibon Jean-Marc Olivot Raoul Pop Mohammad Anadani S ébastien Richard Benjamin Gory Source Type: research

Severe cerebral vasospasm in chronic cocaine users during neurointerventional procedures: A report of two cases.
We report the case of two patients with a history of cocaine abuse, who developed unusual severe vasospasms during different interventional procedures. The first case occurred in a middle-aged woman with an unruptured left internal carotid artery bifurcation aneurysm who was scheduled for treatment by remodelling assisted coiling. Just after the placement of the remodelling balloon, a severe occlusive vasospasm interrupted the procedure. The second case happened to a 46-year-old man with a non-aneurysmal subarachnoid haemorrhage and a symptomatic vasospasm in the right-sided anterior circulation who developed another occlu...
Source: Interventional Neuroradiology - June 3, 2015 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Direct aspiration first pass technique for a middle cerebral artery occlusion with a hidden aneurysm.
We present a case of middle cerebral artery ischemic stroke, refractory to thrombolysis. A direct aspiration first pass technique (ADAPT) was employed for revascularization. Following thrombectomy, an aneurysm of the occluded vessel was revealed. Despite this, the patient recovered without hemorrhagic complication. ADAPT permits the minimal insertion of endovascular devices and might be a safe procedure when hidden aneurysms are suspected. PMID: 26472636 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - October 18, 2015 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Cerebral foreign body reaction after carotid aneurysm stenting.
We present a case where we encountered an unusual intracerebral complication several months after endovascular treatment of a large left internal carotid artery aneurysm, and where brain biopsy revealed foreign body reaction to hydrophilic polymer fragments distally to the stent site. Although previously described, embolization of polymer material from intravascular equipment is rare. We could not identify any other biopsy verified case in the literature, with this particular presentation of intracerebral polymer embolization - a multifocal inflammation spread out through the white matter of one hemisphere without hemorrha...
Source: Interventional Neuroradiology - October 30, 2015 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Mechanical thrombectomy in acute basilar artery occlusion: A safety and efficacy single centre study.
CONCLUSION: Mechanical thrombectomy is feasible and effective in patients with acute basilar artery occlusion. A decreased level of consciousness requiring tracheal intubation seems to be a prognostic factor and is associated with a poor clinical outcome and higher mortality rate. These initial results must be confirmed by further prospective studies with a larger number of patients. PMID: 26908588 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - February 26, 2016 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Congenital absence of internal carotid artery with intercavernous anastomosis: Case report and systematic review of the literature.
Authors: Oz II, Serifoglu I, Yazgan O, Erdem Z Abstract The absence of an internal carotid artery is a rare congenital anomaly. In the absence of the internal carotid artery, collateral circulations develop through the circle of Willis, persistent embryonic arteries or transcranial collaterals of the external carotid artery. Six pathways of collateral circulation have been described. Intercavernous anastomosis is between cavernous segments of the bilateral internal carotid arteries and is rarely seen. Patients with an absence of the internal carotid artery can be completely asymptomatic. However, these patients can...
Source: Interventional Neuroradiology - April 21, 2016 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Transarterial venous sinus occlusion of dural arteriovenous fistulas using ONYX.
CONCLUSION: Transarterial closure of the transverse and sigmoid sinuses. PMID: 27530138 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - August 19, 2016 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Successful mechanical thrombectomy in a comatose patient with cerebral venous sinus thrombosis: A case report.
This report presents a case of successful mechanical thrombectomy, without the use of thrombolytics, in a comatose patient with cerebral venous sinus thrombosis. PMID: 28513255 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - May 18, 2017 Category: Radiology Tags: Interv Neuroradiol Source Type: research

The technique of superselective ophthalmic artery chemotherapy for retinoblastoma: The Garrahan Hospital experience.
Conclusion SOAC is a safe technique with a very low complication rate. PMID: 29119878 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - November 10, 2017 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Primary angioplasty and stenting may be superior to thrombectomy for acute atherosclerotic large-artery occlusion.
Conclusions Patients with acute anterior circulation large-vessel occlusion due to atherosclerosis may benefit from urgent angioplasty and/or stenting as first-line therapy. Randomized controlled trials are warranted. PMID: 29562864 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - March 27, 2018 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Cerebral foreign body reaction due to hydrophilic polymer embolization following aneurysm treatment by pipeline flow diversion device.
We present a unique case in which visible chipping of the pusher wire for stent placement was observed, followed by clinical and radiographic evidence suggestive of a delayed foreign body reaction to intracranial hydrophilic polymer emboli. A 55-year-old woman underwent placement of a Pipeline embolization device for a left-sided, broad-based aneurysm at the base of the internal carotid artery and posterior communicating artery. Two months later she developed right-sided focal neurological deficits. Imaging showed ipsilateral focal edema and enhancing lesions with contrast. Although not confirmed with biopsy and histopatho...
Source: Interventional Neuroradiology - March 31, 2019 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Balloon-assisted coiling of cerebral aneurysms with the dual-lumen Scepter XC balloon catheter: Experience at two high-volume centers.
CONCLUSION: Our experience using the coaxial dual-lumen Scepter XC for balloon-assisted coiling demonstrates acceptable aneurysm occlusion and complication rates. PMID: 30922198 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - March 31, 2019 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Use of stent retriever for treatment of iatrogenic intracranial vasospasm.
We present a case report of a patient who underwent a mechanical thrombectomy for stroke and suffered from vasospasm. This severe flow-limiting vasospasm was successfully treated with the Trevo stent device. Although stent retrievers have become more widespread for thrombectomy, vasospasm treatment has not been often described in the literature. Further study is needed to determine if this is a viable technique for treating resistant vasospasm. PMID: 31088245 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - May 17, 2019 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Galenic dural arteriovenous fistula in neurofibromatosis type 1 treated with Onyx.
We present an unusual case of GDAVF in a 37-year-old man with NF1. The fistula drained directly to the vein of Galen through multiple feeders. Complete occlusion of the fistula was achieved through trans-arterial embolisation with Onyx (ethylene vinyl alcohol copolymer) in a single treatment session. Deep venous drainage remained intact, and the patient recovered well. To our knowledge, this is the first report on complete closure of GDAVF with NF1 using trans-arterial embolisation. The preservation of functioning of the straight sinus may have contributed to the success of treatment. PMID: 31146620 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - May 31, 2019 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Contrast extravasation after angioplasty for symptomatic stenosis of the middle cerebral artery: A case report.
Authors: Wang X, Yang B, Zhu H, Jiao L Abstract Contrast extravasation is a common phenomenon in acute ischaemic stroke patients who are treated with endovascular therapy, but it is rarely reported in selective angioplasty of intracranial artery stenosis. In this case we present the treatment and follow-up studies of a patient with severe stenosis in the M1 segment of the middle cerebral artery. We observed extravasation of contrast medium in the brain tissue around the stent after the operation by a computed tomography scan taken immediately, but the patient did not experience any neurological deficits during the ...
Source: Interventional Neuroradiology - July 6, 2019 Category: Radiology Tags: Interv Neuroradiol Source Type: research

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