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  1. Article: ERRATUM: Result of coiling versus clipping of unruptured anterior communicating artery aneurysms treated by a hybrid vascular neurosurgeon.

    Moon, Ji Soo / Choi, Chang Hwa / Lee, Tae Hong / Ko, Jun Kyeung

    Journal of cerebrovascular and endovascular neurosurgery

    2023  Volume 25, Issue 4, Page(s) 486

    Language English
    Publishing date 2023-11-10
    Publishing country Korea (South)
    Document type Published Erratum
    ISSN 2234-8565
    ISSN 2234-8565
    DOI 10.7461/jcen.2020.E2020.06.005.E
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  2. Article: ERRATUM: Wire perforation of the missed tiny aneurysm originating from the fenestrated A1 segment during the endovascular approach.

    Shin, Seung Ho / Cho, Won Ho / Cha, Seung Heon / Ko, Jun Kyeung

    Journal of cerebrovascular and endovascular neurosurgery

    2023  Volume 25, Issue 4, Page(s) 485

    Language English
    Publishing date 2023-11-10
    Publishing country Korea (South)
    Document type Published Erratum
    ISSN 2234-8565
    ISSN 2234-8565
    DOI 10.7461/jcen.2022.E2021.12.001.E
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  3. Article: Silent Embolic Infarction after Neuroform Atlas Stent-Assisted Coiling of Unruptured Intracranial Aneurysms.

    Shin, Seungho / Hwangbo, Lee / Lee, Tae-Hong / Ko, Jun Kyeung

    Journal of Korean Neurosurgical Society

    2023  Volume 67, Issue 1, Page(s) 42–49

    Abstract: Objective: There is still controversy regarding whether neck remodeling stent affects the occurrence of silent embolic infarction (SEI) after aneurysm coiling. Thus, the aim of the present study is to investigate the incidence of SEI after stent- ... ...

    Abstract Objective: There is still controversy regarding whether neck remodeling stent affects the occurrence of silent embolic infarction (SEI) after aneurysm coiling. Thus, the aim of the present study is to investigate the incidence of SEI after stent-assisted coiling (SAC) using Neuroform Atlas Stent (NAS) and possible risk factors. This study also includes a comparison with simple coiling group during the same period to estimate the impact of NAS on the occurrence of SEI.
    Methods: This study included a total of 96 unruptured intracranial aneurysms in 96 patients treated with SAC using NAS. Correlations of demographic data, aneurysm characteristics, and angiographic parameters with properties of SEI were analyzed. The incidence and characteristics of SEI were investigated in 28 patients who underwent simple coiling during the same period, and the results were compared with the SAC group.
    Results: In the diffusion-weighted imaging obtained on the 1st day after SAC, a total of 106 SEI lesions were observed in 48 (50%) of 96 patients. Of these 48 patients, 38 (79.2%) had 1-3 lesions. Of 106 lesions, 74 (69.8%) had a diameter less than 3 mm. SEI occurred more frequently in older patients (≥60 years, p=0.013). The volume of SEI was found to be significantly increased in older age (≥60 years, p=0.032), hypertension (p=0.036), and aneurysm size ≥5 mm (p=0.047). The incidence and mean volume of SEI in the SAC group (n=96) were similar to those of the simple coiling group (n=28) during the same period.
    Conclusion: SEIs are common after NAS-assisted coiling. Their incidence in SAC was comparable to that in simple coiling. They occurred more frequently at an older age. Therefore, the use of NAS in the treatment of unruptured intracranial aneurysm does not seem to be associated with an increased risk of thromboembolic events if antiplatelet premedication has been performed well.
    Language English
    Publishing date 2023-09-01
    Publishing country Korea (South)
    Document type Journal Article
    ZDB-ID 2253817-3
    ISSN 1598-7876 ; 2005-3711 ; 1225-8245
    ISSN (online) 1598-7876
    ISSN 2005-3711 ; 1225-8245
    DOI 10.3340/jkns.2023.0091
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  4. Article: Erratum: Contralateral Transverse Sinus Occlusion After Treatment of Transverse-Sigmoid Sinus Dural Arteriovenous Fistula: A Case Report.

    Lee, Jung Hwan / Lee, Jae Il / Ko, Jun Kyeung / Lee, Tae Hong / Choi, Chang Hwa

    Korean journal of neurotrauma

    2023  Volume 19, Issue 4, Page(s) 511

    Abstract: This corrects the article on p. 104 in vol. 18, PMID: 35557632.]. ...

    Abstract [This corrects the article on p. 104 in vol. 18, PMID: 35557632.].
    Language English
    Publishing date 2023-11-13
    Publishing country Korea (South)
    Document type Published Erratum
    ZDB-ID 3028579-3
    ISSN 2288-2243 ; 2234-8999
    ISSN (online) 2288-2243
    ISSN 2234-8999
    DOI 10.13004/kjnt.2023.19.e55
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  5. Article: ERRATUM: Endovascular treatment of ruptured tiny aneurysms.

    Kim, Joon Hyuk / Choi, Chang Hwa / Lee, Jae Il / Lee, Tae Hong / Ko, Jun Kyeung

    Journal of cerebrovascular and endovascular neurosurgery

    2023  Volume 25, Issue 4, Page(s) 487

    Language English
    Publishing date 2023-11-10
    Publishing country Korea (South)
    Document type Published Erratum
    ISSN 2234-8565
    ISSN 2234-8565
    DOI 10.7461/jcen.2019.21.2.67.E
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Wire perforation of the missed tiny aneurysm originating from the fenestrated A1 segment during the endovascular approach.

    Shin, Seung Ho / Cho, Won Ho / Cha, Seung Heon / Ko, Jun Kyeung

    Journal of cerebrovascular and endovascular neurosurgery

    2022  Volume 24, Issue 4, Page(s) 393–397

    Abstract: Vascular anomaly and aneurysmal formation of an anterior communicating artery (ACOM) complex has often been reported. Because of such a complicated relationship between the vascular structure and aneurysms, ACOM aneurysm is one of the most difficult ... ...

    Abstract Vascular anomaly and aneurysmal formation of an anterior communicating artery (ACOM) complex has often been reported. Because of such a complicated relationship between the vascular structure and aneurysms, ACOM aneurysm is one of the most difficult aneurysms to treat among other common anterior circulation aneurysms. We herein report a case of wire perforation of a missed tiny aneurysm arising from the fenestrated A1 segment during the endovascular approach to ACOM aneurysm. Although the fenestration of A1 segment is a rare vascular anomaly, it is likely to accompany saccular type aneurysms in the vicinity of the vascular anomaly. Endovascular treatment for ACOM aneurysm requires more detailed evaluations of the accompanying vascular anomaly and hemodynamics around ACOM to avoid complications.
    Language English
    Publishing date 2022-07-12
    Publishing country Korea (South)
    Document type Case Reports
    ISSN 2234-8565
    ISSN 2234-8565
    DOI 10.7461/jcen.2022.E2021.12.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Does Systemic Lupus Erythematosus Increase the Risk of Procedure-Related Complication in Endovascular Treatment of Intracranial Aneurysm?

    Lee, Jung Hwan / Lee, Sang Weon / Choi, Chang Hwa / Ko, Jun Kyeung

    Yonsei medical journal

    2021  Volume 61, Issue 5, Page(s) 441–444

    Abstract: Cerebral aneurysms associated with systemic lupus erythematosus (SLE) are more likely to grow rapidly and rupture, compared to those found in the general population. The main underlying pathology of intracranial aneurysm and its rupture is presumed to be ...

    Abstract Cerebral aneurysms associated with systemic lupus erythematosus (SLE) are more likely to grow rapidly and rupture, compared to those found in the general population. The main underlying pathology of intracranial aneurysm and its rupture is presumed to be SLE-related intracranial vasculitis and fragility of blood vessels due to prolonged use of steroid. For these reasons, both surgical and endovascular options are challenging. On the other hand, given the possibility that SLE may predispose to growth and rupture of intracranial aneurysm, early intervention for cerebral aneurysms associated with SLE may be more necessary and beneficial than other cerebral aneurysms in the general population. Here we would like to report on the unexpected complications that occurred during or after endovascular treatment of an SLE patient with multiple aneurysms. The complications include intraprocedural rupture of unruptured aneurysm, coil stretching, contrast-induced encephalopathy, and delayed ipsilateral intraparenchymal hemorrhage after stent-assisted coiling. Our unique case highlights that the SLE patient with multiple intracranial aneurysms had a higher risk of endovascular procedure-related complications, which might be due to the increased bleeding tendency and fragility of blood vessels.
    MeSH term(s) Adult ; Brain/diagnostic imaging ; Brain/pathology ; Carotid Artery, Internal/diagnostic imaging ; Carotid Artery, Internal/pathology ; Endovascular Procedures/adverse effects ; Female ; Humans ; Intracranial Aneurysm/complications ; Intracranial Aneurysm/diagnostic imaging ; Intracranial Aneurysm/surgery ; Lupus Erythematosus, Systemic/complications ; Postoperative Complications/etiology ; Risk Factors ; Tomography, X-Ray Computed ; Treatment Outcome
    Language English
    Publishing date 2021-03-04
    Publishing country Korea (South)
    Document type Case Reports
    ZDB-ID 303740-x
    ISSN 1976-2437 ; 0513-5796
    ISSN (online) 1976-2437
    ISSN 0513-5796
    DOI 10.3349/ymj.2020.61.5.441
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.B 944: Show issues Location:
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  8. Article: Contralateral Transverse Sinus Occlusion After Treatment of Transverse-Sigmoid Sinus Dural Arteriovenous Fistula: A Case Report.

    Lee, Jung Hwan / Lee, Jae Il / Ko, Jun Kyeung / Lee, Tae Hong / Choi, Chang Hwa

    Korean journal of neurotrauma

    2022  Volume 18, Issue 1, Page(s) 104–109

    Abstract: A dural arteriovenous fistula (DAVF) is a pathologic arteriovenous shunt located within the dural wall of a venous sinus. In addition, DAVFs are associated with sinus thrombosis. Consequently, sinus occlusion may occur near DAVF lesions, making treatment ...

    Abstract A dural arteriovenous fistula (DAVF) is a pathologic arteriovenous shunt located within the dural wall of a venous sinus. In addition, DAVFs are associated with sinus thrombosis. Consequently, sinus occlusion may occur near DAVF lesions, making treatment challenging. However, there are few reports of sinus occlusion unrelated to lesions. In this study, we present a rare case of contralateral transverse sinus occlusion in a patient who underwent endovascular treatment and stereotactic radiosurgery for DAVF in the transverse-sigmoid sinus with ipsilateral sigmoid sinus occlusion.
    Language English
    Publishing date 2022-02-14
    Publishing country Korea (South)
    Document type Case Reports
    ZDB-ID 3028579-3
    ISSN 2288-2243 ; 2234-8999
    ISSN (online) 2288-2243
    ISSN 2234-8999
    DOI 10.13004/kjnt.2022.18.e8
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  9. Article ; Online: Additional rescue stenting with Neuroform Atlas stents during stent-assisted coiling of saccular aneurysms.

    Choo, Yeon Soo / Kim, Eun-Joo / Sung, Sang-Min / Hwangbo, Lee / Lee, Tae-Hong / Ko, Jun Kyeung

    Clinical neurology and neurosurgery

    2023  Volume 230, Page(s) 107777

    Abstract: Objective: Overlapping stenting is sometimes attempted during endovascular treatment of cerebral aneurysm as a rescue for coil herniation, stent mal-positioning, or in-stent thrombosis. We retrospectively evaluated the efficacy and safety of additional ... ...

    Abstract Objective: Overlapping stenting is sometimes attempted during endovascular treatment of cerebral aneurysm as a rescue for coil herniation, stent mal-positioning, or in-stent thrombosis. We retrospectively evaluated the efficacy and safety of additional rescue stenting (ARS) in telescoping fashion with Neuroform Atlas stent (NAS) during stent-assisted coiling of saccular aneurysms.
    Methods: We collected clinical and radiological data of patients with saccular aneurysms treated with ARS using NASs between March 2018 and December 2021. Y or X-stent-assisted coiling technique was excluded.
    Results: Eighteen unruptured and 5 ruptured aneurysms in 23 patients were treated with ARS using NASs. Sizes of aneurysms ranged from 2.0 mm to 10.0 mm (mean: 5.0 mm). Immediate angiographic results were complete occlusion in 11 aneurysms, residual neck in 4 aneurysms, and residual sac in 8 aneurysms. Peri-operative morbidity was 4.3 %. Nineteen of 23 patients underwent follow-up conventional angiography (mean, 9.9 months). Results showed progressive occlusion in 10 (52.6 %) cases and asymptomatic in-stent stenosis in 3 (15.8 %) cases. At the end of the observation period (mean, 17.4 months), all 18 patients without subarachnoid hemorrhage had excellent clinical outcomes (mRS of 0), except one (mRS of 1). Of five patients with subarachnoid hemorrhage, four had a favorable outcome (mRS of 0-1), while the other one was dependent (mRS of 4).
    Conclusion: In this report on 23 patients, ARS with NASs for treating saccular aneurysms showed good technical safety with favorable clinical and angiographic outcomes. However, delayed in-stent stenosis was not uncommon. Thus, regular imaging follow-up is required.
    MeSH term(s) Humans ; Treatment Outcome ; Subarachnoid Hemorrhage/diagnostic imaging ; Subarachnoid Hemorrhage/surgery ; Retrospective Studies ; Embolization, Therapeutic/methods ; Cerebral Angiography ; Stents ; Intracranial Aneurysm/diagnostic imaging ; Intracranial Aneurysm/surgery ; Endovascular Procedures
    Language English
    Publishing date 2023-05-08
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 193107-6
    ISSN 1872-6968 ; 0303-8467
    ISSN (online) 1872-6968
    ISSN 0303-8467
    DOI 10.1016/j.clineuro.2023.107777
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  10. Article: Imaging follow-up strategy after endovascular treatment of Intracranial aneurysms: A literature review and guideline recommendations.

    Cho, Yong-Hwan / Choi, Jaehyung / Huh, Chae-Wook / Kim, Chang Hyeun / Chang, Chul Hoon / Kwon, Soon Chan / Kim, Young Woo / Sheen, Seung Hun / Park, Sukh Que / Ko, Jun Kyeung / Ha, Sung-Kon / Jeong, Hae Woong / Kang, Hyen Seung

    Journal of cerebrovascular and endovascular neurosurgery

    2024  Volume 26, Issue 1, Page(s) 1–10

    Abstract: Objective: Endovascular coil embolization is the primary treatment modality for intracranial aneurysms. However, its long-term durability remains of concern, with a considerable proportion of cases requiring aneurysm reopening and retreatment. Therefore, ...

    Abstract Objective: Endovascular coil embolization is the primary treatment modality for intracranial aneurysms. However, its long-term durability remains of concern, with a considerable proportion of cases requiring aneurysm reopening and retreatment. Therefore, establishing optimal follow-up imaging protocols is necessary to ensure a durable occlusion. This study aimed to develop guidelines for follow-up imaging strategies after endovascular treatment of intracranial aneurysms.
    Methods: A committee comprising members of the Korean Neuroendovascular Society and other relevant societies was formed. A literature review and analyses of the major published guidelines were conducted to gather evidence. A panel of 40 experts convened to achieve a consensus on the recommendations using the modified Delphi method.
    Results: The panel members reached the following consensus: 1. Schedule the initial follow-up imaging within 3-6 months of treatment. 2. Noninvasive imaging modalities, such as three-dimensional time-of-flight magnetic resonance angiography (MRA) or contrast-enhanced MRA, are alternatives to digital subtraction angiography (DSA) during the first follow-up. 3. Schedule mid-term follow-up imaging at 1, 2, 4, and 6 years after the initial treatment. 4. If noninvasive imaging reveals unstable changes in the treated aneurysms, DSA should be considered. 5. Consider late-term follow-up imaging every 3-5 years for lifelong monitoring of patients with unstable changes or at high risk of recurrence.
    Conclusions: The guidelines aim to provide physicians with the information to make informed decisions and provide patients with high-quality care. However, owing to a lack of specific recommendations and scientific data, these guidelines are based on expert consensus and should be considered in conjunction with individual patient characteristics and circumstances.
    Language English
    Publishing date 2024-03-25
    Publishing country Korea (South)
    Document type Journal Article
    ISSN 2234-8565
    ISSN 2234-8565
    DOI 10.7461/jcen.2024.E2023.08.008
    Database MEDical Literature Analysis and Retrieval System OnLINE

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