scholarly journals Coil Embolization for Ruptured Cerebral Aneurysms of 2×3 mm Diameter

2006 ◽  
Vol 12 (1_suppl) ◽  
pp. 97-100 ◽  
Author(s):  
O. Tone ◽  
H. Tomita ◽  
M. Tamaki ◽  
H. Akimoto ◽  
K. Shigeta ◽  
...  
Keyword(s):  
Coil Embolization ◽  
Three Dimensional ◽  
Cerebral Aneurysms ◽  
Artery Aneurysm ◽  
First Case ◽  
Detachable Coils ◽  
The Mean ◽  
Aneurysmal Neck ◽  
Small Aneurysms ◽  
Made In

Small ruptured cerebral aneurysms, such as those of 2×3 mm diameter, are considered to be difficult to embolize by detachable coils because of the risk of procedural perforation of the aneurysms. We have treated these small aneurysms and report the techniques and pitfalls of these embolizations. Twenty-four patients with ruptured cerebral aneurysms of 2×3 mm diameter were intended for treatment by coil embolization. Before coil embolization, three-dimensional digital subtraction angiography was performed, and the simulation of the volume embolization ratio (VER) was performed in all patients, except for the first basilar artery aneurysm patient. The tip of the microcatheter was steam-shaped several times and was placed on the neck of the aneurysm. A balloon neck remodeling technique was used for two aneurysms. GDC 10 softs and soft SRs were used for the first ten aneurysms, and Ultrasofts were used for the last eleven aneurysms. Out of twenty-four aneurysm embolizations, we aborted the procedure in three cases, because of a failure in catheterization; we performed clipping surgery for these cases. For the first case of a basilar tip aneurysm, the aneurysm was perforated, due to the use of too long a coil and the insertion of the tip of the microcatheter into the aneurysmal dome. Minor infarction occurred in one patient. The mean VER was 33.9%, and two aneurysms recanalized, and out of these one needed a second embolization. Six months postoperatively, 81% of patients had made in a good recovery or had a moderate disability. We recommend the following techniques to embolize aneurysms of 2×3 mm diameter: the tip of the microcatheter should be stabilized on the aneurysmal neck by steam shaping of the microcatheter, GDC 10 soft and Ultrasoft should be selected for use, and the simulation of the VER should be performed before embolization to select coils of a suitable length.

scholarly journals Re-treatment of an unruptured anterior communicating artery aneurysm using the new pCONus 2 device: Description of a case

2018 ◽  
Vol 24 (4) ◽  
pp. 379-382
Author(s):  
Marco Varrassi ◽  
Sergio Carducci ◽  
Aldo V Giordano ◽  
Carlo Masciocchi
Keyword(s):  
Cerebral Aneurysms ◽  
Artery Aneurysm ◽  
Longitudinal Axis ◽  
Anterior Communicating Artery ◽  
Parent Vessel ◽  
Anterior Communicating Artery Aneurysm ◽  
First Case ◽  
Endovascular Approach ◽  
Unruptured Cerebral Aneurysms ◽  
Aneurysmal Neck

Endovascular approach represents today the first option in treatment of ruptured and unruptured cerebral aneurysms. Nevertheless, wide-neck bifurcation aneurysms still represent a technical challenge for endovascular treatment due to the need to protect vessels arising next to the aneurysmal neck. A variety of devices have been implemented to ensure adequate assistance for coiling of these lesions. Among these devices, the new pCONus 2 represents an evolution of the well-known pCONus; compared to the previous one in fact, it allows a degree of articulation and flexibility between the shaft and the distal part (crown), making it more suitable for treatment of aneurysms presenting an angle between the longitudinal axis of the dome and parent vessel. We report our first case using pCONus 2 in the re-treatment of an unruptured anterior communicating artery aneurysm in a 57-year-old man, showing evident recanalization two years after coiling.

scholarly journals MTI (Dendron) Variable Detachable Coils

2003 ◽  
Vol 9 (1) ◽  
pp. 47-52
Author(s):  
J. Thammaroj ◽  
V. Jayakrishnan ◽  
S. Lamin ◽  
S. Jenkins ◽  
E. Teasdale ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Feasibility Study ◽  
Clinical Experience ◽  
Cerebral Aneurysms ◽  
Detachable Coils ◽  
Formed Part ◽  
Small Aneurysms ◽  
Initial Clinical Experience

We present our initial clinical experience of Dendron Variable Detachable System (VDS) coils, now Sapphire VDS from MTI, in the endovascular treatment of cerebral aneurysms. VDS coils, uniquely, can be detached at variable points along their length, allowing placement of as much or as little as desired of the coil within the aneurysm. Our ten patients formed part of a multicentre feasibility study. VDS coils were successfully deployed in all but one aneurysm. The electrolytic detachment mechanism with practice is both simple to use and reliable. The coils are however slightly stiffer than standard coils limiting their use in small aneurysms. This remains a technology in evolution.

scholarly journals Lyophilizing thrombin powder-based treatment for hemostasis during coil embolization of ruptured cerebral aneurysm: Two case reports

2019 ◽  
Vol 25 (4) ◽  
pp. 454-459
Author(s):  
Changchun Jiang ◽  
Wei Wang ◽  
Baojun Wang ◽  
Yuechun Li ◽  
Guorong Liu ◽  
...  
Keyword(s):  
Cerebral Aneurysm ◽  
Coil Embolization ◽  
Case Reports ◽  
Balloon Catheter ◽  
Treatment Strategies ◽  
Cerebral Aneurysms ◽  
Interventional Therapy ◽  
Parent Artery ◽  
Clinical Practices ◽  
Detachable Coils

Background Rupture of cerebral aneurysm is an inevitable complication during embolization, followed by subsequent acute subarachnoid hemorrhage or intracranial hematoma, and results in the aggravation of a patient’s condition. In particular, for patients who have had a ruptured aneurysm, urgent treatment strategies are required during operation. The most common hemostatic methods seen in clinical practices are as follows: after lowering the blood pressure, we continue to embolize the aneurysms with detachable coils as soon as possible or inject with Glubran/Onyx embolization liquids, as well as use a balloon catheter to temporarily block the blood supply. If the conditions are permissible, a balloon guiding catheter may even be used to restrict the proximal blood flow. At times, due to limitations of these methods, neurosurgeons are requested to perform craniotomy to treat the hemostasis. However, the delayed transition often leads to rapid deterioration of the patient’s condition and even death due to cerebral hernia. Case description We herein presented two cases of ruptured cerebral aneurysms to provide an alternative method for hemostasis and to save the lives of patients as much as possible. In an extremely urgent situation (conventional treatment is ineffective), we successfully saved the patient’s life by injecting lyophilizing thrombin powder (LTP) solution into the aneurysmal sac and the parent artery through a microcatheter. Conclusions To our knowledge, this is the first report of successful hemostasis during coil embolization of ruptured cerebral aneurysm with LTP. Further prospective studies are needed to confirm the safety and efficacy of LTP in cerebrovascular interventional therapy.

Ruptured “blisterlike” aneurysm with a pseudoaneurysm formation requiring delayed intervention with endovascular coil embolization

2004 ◽  
Vol 101 (1) ◽  
pp. 159-162 ◽  
Author(s):  
Shuichi Tanoue ◽  
Hiro Kiyosue ◽  
Shunro Matsumoto ◽  
Masanori Yamashita ◽  
Hirofumi Nagatomi ◽  
...  
Keyword(s):  
Coil Embolization ◽  
Treatment Options ◽  
Cerebral Aneurysms ◽  
Saccular Aneurysm ◽  
Content Type ◽  
Pseudoaneurysm Formation ◽  
Complete Obliteration ◽  
Detachable Coils ◽  
The Right ◽  
Fine Print

✓ A ruptured blisterlike aneurysm of the supraclinoid ICA rarely occurs. Nevertheless, it is recognized as a dangerous lesion because of the high risk of intraoperative bleeding associated with this lesion's wide fragile neck. There has been only one report of a blisterlike aneurysm treated by endosaccular packing after surgical wrapping. The authors describe the case of a ruptured blisterlike aneurysm with a pseudoaneurysm cavity, which was treated by coil embolization. This 63-year-old woman suffered a subarachnoid hemorrhage (SAH). Three cerebral aneurysms were identified on cerebral angiograms. A large saccular aneurysm at the ophthalmic portion of the right ICA was embolized with Guglielmi Detachable Coils (GDCs). Two small hemipherically shaped aneurysms on the C-2 and C-3 portions of the left ICA were observed conservatively. Thirteen days later, recurrent SAH was identified on computerized tomography scans. Angiography demonstrated the formation of a pseudoaneurysm from the aneurysm on the C-2 portion of the left ICA. Endosaccular embolization with GDCs was performed 40 days after admission. Disappearance of the pseudoaneurysm cavity and residual dome filling was seen immediately after the procedure. Follow-up angiography performed 9 months after embolization demonstrated complete obliteration of the aneurysm. This case illustrates that when treatment options for a blisterlike aneurysm with a pseudoaneurysm are unsuitable during the acute phase, coil embolization can be applied following progression of the lesion into a saccular aneurysm during the chronic stage.

scholarly journals A case of delayed distal coil migration after coil embolization of an unruptured distal azygos anterior cerebral artery aneurysm: A case report and literature review

2018 ◽  
Vol 24 (6) ◽  
pp. 643-649 ◽  
Author(s):  
Kazushi Maeda ◽  
Ryota Motoie ◽  
Satoshi Karashima ◽  
Ryosuke Otsuji ◽  
Nice Ren ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Cerebral Artery ◽  
Coil Embolization ◽  
Anterior Cerebral Artery ◽  
Artery Aneurysm ◽  
First Case ◽  
Number Of Patients ◽  
Treatment Knowledge ◽  
Ischemic Complications ◽  
Coil Migration

Intraprocedural coil migration during endovascular treatment for an aneurysm that might carry serious ischemic complications is well known. On the other hand, delayed coil migration after endovascular treatment for an aneurysm is very rare. A 77-year-old woman was incidentally diagnosed with unruptured aneurysm associated with distal azygos anterior cerebral artery (ACA). The aneurysm was located at the distal bifurcation of the azygos ACA and was wide necked (approximately 7 mm in diameter). Endovascular coil embolization was selected and the aneurysm was occluded successfully, but 29 days after endovascular therapy, follow-up computed tomography (CT) and magnetic resonance (MR) angiography revealed distal coil migration in the peripheral portion of the ACA. In addition, CT on day 57 after therapy revealed the migrated coil had moved more distally. Fortunately, in the course of these events, the patient remained asymptomatic. To the best of our knowledge, this represents the first case of delayed distal coil migration associated with relatively rare azygos ACA aneurysm, and also the first report confirming more distal coil movement over time. In the future, a large number of patients could develop this complication as more aneurysms are aggressively treated with endovascular treatment. Knowledge regarding the possibility of delayed coil migration is thus important.

The Effects of High Porosity Stent Configurations on Cerebral Aneurysm Hemodynamics

2011 ◽  
Author(s):  
Haithem Babiker ◽  
Justin Ryan ◽  
L. Fernando Gonzalez ◽  
Felipe Albuquerque ◽  
Daniel Collins ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Cerebral Aneurysm ◽  
Coil Embolization ◽  
Cerebral Aneurysms ◽  
High Porosity ◽  
Incomplete Filling ◽  
Aneurysmal Neck ◽  
Treatment For Cerebral Aneurysms ◽  
Wide Neck

Coil embolization is the most common endovascular treatment for cerebral aneurysms at many centers [1]. Nevertheless, the coiling of wide-neck aneurysms is a challenge. Incomplete filling of the aneurysmal sac due to coil configuration challenges and aneurysmal growth can often lead to recurrence. To assist treatment with coils, clinicians may deploy a high porosity stent in a staged process to act as a supporting bridge for coils. The stent is first deployed across the aneurysmal neck, and multiple coils are then deployed into the aneurysmal sac 6–8 weeks later [2]. Under certain circumstances, coil deployment is not possible and high porosity stents alone are used for treatment [2–3].

Abstract WMP30: Risk Analysis Of Growth And Rupture In Unruptured Intreacranial Aneurysms : Single Institutional Cohort Study

Stroke ◽  
2013 ◽  
Vol 44 (suppl_1) ◽  
Author(s):  
Yuichi Murayama ◽  
Toshihiro Ishibashi ◽  
Hiroyuki Takao ◽  
Ichiro Yuki ◽  
Hideki Arakawa ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Three Dimensional ◽  
Aneurysm Rupture ◽  
Posterior Circulation ◽  
Single Center ◽  
Risk Of Rupture ◽  
Aneurysm Growth ◽  
The Mean ◽  
Small Aneurysms

Introduction: Risk of growth and rupture in unruptured intracranial saccular aneurysm (UIA) are still unclear. Hypothesis: Gowth and risk of UIA may be correlated and they were evaluated our single center large cohort. Methods: Between January 2003 and March 2011, a total of 2122 patients with 2756 UIA were referred to our institution. 1403 patients with 2037 UIAs were assigned for conservative management. The mean follow up duration was 6201 aneurysm-years. Bi-annual three-dimensional computed tomography angiography (3D CTA) was performed and aneurysm growth was evaluated using 3D workstation. The aneurysm growth was defined as size increase more than 1mm. Results: During observation, 14.6% aneurysms increased their size. Female and male growth rate were 16% and 11% respectively. 130 patients stopped observation and therapeutic intervention was performed due to increase their size or anxiety. During observation 50 UIAs ruptured resulting in a 0.8% rupture rate per year. Aneurysm growth, IC-pcom aneurysms, posterior circulation, female, and SAH associated multiple aneurysms were risk factor for aneurysm rupture. Growing aneurysm was 10 times higher relative risk of rupture compare to stable aneurysm. No aneurysm demonstrated reduction of their size after rupture. Conclusions: Risk of Aneurysm growth and rupture may be correlated. Risk of rupture of UIAs was similar that was reported before but even small aneurysms can be rupture during observation. Growing UIAs should be considered to treat as soon as possible even in small size.

scholarly journals Early Experience Studying Cerebral Aneurysms with Rotational and Three-Dimensional Angiography and Review of CT and MR Angiography Literature

2002 ◽  
Vol 8 (4) ◽  
pp. 377-391 ◽  
Author(s):  
C.H. Castaño-Duque ◽  
J. Ruscalleda-Nadal ◽  
M. de Juan-Delago ◽  
E. Guardia-Mas ◽  
L. San Roman-Manzanera ◽  
...  
Keyword(s):  
Intracranial Aneurysms ◽  
Three Dimensional ◽  
Cerebral Aneurysms ◽  
Endovascular Embolization ◽  
Lower Sensitivity ◽  
Parent Artery ◽  
Philips Medical System ◽  
Multiple Series ◽  
Total Occlusion ◽  
Aneurysmal Neck

From september 2000 to september 2001, 32 consecutive patients with ruptured intracranial aneurysms were examined with rotational and 3D reconstruction angiography using an Integris V5000 Philips Medical System: 39 aneurysms were detected. After a selective cerebral artery was catheterized with a 5F or 4F-catheter, 35 ml of contrast medium was intra-arterially administered at a rate of 4 ml/s and a 180° rotational angiography was performed in eight seconds. This information was transferred to a computer (Silicon Graphics Octane) with software (Integris 3DRA, Philips Integris Systems) and a three-dimensional reconstruction was made. The information provided by Angio-3D was useful for evaluating the parent artery, aneurysmal sac, aneurysmal neck and arterial branches. It was also very useful in selecting the therapeutic method. For open surgery, this technique provides preoperative images that are useful for planning microsurgical approaches, especially in cases of large aneurysm showing complex surrounding arteries. For endovascular embolization, various anatomic characteristics of the aneurysm such as neck and sac size, shape, lobularity, parent artery and arterial branches adjacent to the aneurysmal neck must be demonstrated. This is very important to determine the best projection for embolization and to avoid multiple series. This is also essential in the choice of the first coil to create a good basket producing total occlusion. Microaneurysms are demonstrated well with this technique whereas this is difficult to do with conventional arteriography. The Angio-RM and Angio-CT literature show a lower sensitivity and specificity in comparasion with our experience with 3D IA-ROT-DSA. For this reason, we believe that 3D IA-ROTDSA is now the gold standard for patients presenting intracranial aneurysms.

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