Faculty Profiles - HARUMA Jun

Papers - HARUMA Jun

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Challenges in the treatment of giant cavernous carotid aneurysm associated with hemophilia A: illustrative case

Yuichi Hirata, Masafumi Hiramatsu, Kenji Sugiu, Juntaro Fujita, Yuta Sotome, Masato Kawakami, Ryu Kimura, Yuki Ebisudani, Jun Haruma, Shota Tanaka

Journal of Neurosurgery: Case Lessons 9 ( 8 ) 2025.2

Publishing type：Research paper (scientific journal) Publisher：Journal of Neurosurgery Publishing Group (JNSPG)

BACKGROUND

Hemophilia A is characterized by a deficiency of factor VIII, leading to severe bleeding disorders. Abnormal blood coagulation can complicate the treatment of cerebral aneurysms.

OBSERVATIONS

A 20-year-old man with congenital hemophilia A presented with abducens nerve palsy caused by a giant cavernous carotid aneurysm (CCA). Because of the coagulopathy, simple internal carotid artery ligation was chosen, and the aneurysm initially shrank following treatment. However, it recurred due to collateral arteries from the posterior communicating artery and branches of the external carotid artery. These arteries were occluded using endovascular techniques, resulting in complete obliteration of the aneurysm.

LESSONS

To the best of the authors’ knowledge, this is the first reported case of treating a giant CCA associated with hemophilia A. In patients with coagulopathy, surgical options are limited, and standard treatments may not achieve a complete cure. Careful consideration of treatment strategies is crucial when managing giant CCA in the context of a coagulation disorder.

https://thejns.org/doi/10.3171/CASE24693

DOI： 10.3171/case24693

Other Link： https://thejns.org/downloadpdf/journals/j-neurosurg-case-lessons/9/8/article-CASE24693.xml

Challenges in the treatment of giant cavernous carotid aneurysm associated with hemophilia A: illustrative case

Yuichi Hirata, Masafumi Hiramatsu, Kenji Sugiu, Juntaro Fujita, Yuta Sotome, Masato Kawakami, Ryu Kimura, Yuki Ebisudani, Jun Haruma, Shota Tanaka

Journal of Neurosurgery: Case Lessons 9 ( 8 ) 2025.2

Publishing type：Research paper (scientific journal) Publisher：Journal of Neurosurgery Publishing Group (JNSPG)

BACKGROUND

Hemophilia A is characterized by a deficiency of factor VIII, leading to severe bleeding disorders. Abnormal blood coagulation can complicate the treatment of cerebral aneurysms.

OBSERVATIONS

A 20-year-old man with congenital hemophilia A presented with abducens nerve palsy caused by a giant cavernous carotid aneurysm (CCA). Because of the coagulopathy, simple internal carotid artery ligation was chosen, and the aneurysm initially shrank following treatment. However, it recurred due to collateral arteries from the posterior communicating artery and branches of the external carotid artery. These arteries were occluded using endovascular techniques, resulting in complete obliteration of the aneurysm.

LESSONS

To the best of the authors’ knowledge, this is the first reported case of treating a giant CCA associated with hemophilia A. In patients with coagulopathy, surgical options are limited, and standard treatments may not achieve a complete cure. Careful consideration of treatment strategies is crucial when managing giant CCA in the context of a coagulation disorder.

https://thejns.org/doi/10.3171/CASE24693

DOI： 10.3171/case24693

Other Link： https://thejns.org/downloadpdf/journals/j-neurosurg-case-lessons/9/8/article-CASE24693.xml

【髄膜腫の現在-最新の知識を活かした最善の治療のために】髄膜腫に対する集学的治療髄膜腫に対する血管内腫瘍塞栓術

五月女悠太, 杉生憲志, 平松匡文, 春間純, 胡谷侑貴, 木村颯, 枝木久典, 川上真人, 藤田淳太郎, 田中將太

Neurological Surgery 52 ( 4 ) 794 - 804 2024.7

Language：Japanese Publisher：(株)医学書院

＜文献概要＞Point・大型や頭蓋底部髄膜腫に対する術前塞栓術は,開頭術の補助的手術として有用である.・開頭術者と十分な術前検討を行った上で,戦略的な塞栓術を行うことが肝要である.・目的に応じた塞栓物質を選択し,合併症を起こさない塞栓術を心掛ける.

Other Link： https://search.jamas.or.jp/default/link?pub_year=2024&ichushi_jid=J01228&link_issn=&doc_id=20240725160016&doc_link_id=10.11477%2Fmf.1436204978&url=https%3A%2F%2Fdoi.org%2F10.11477%2Fmf.1436204978&type=%E5%8C%BB%E6%9B%B8.jp_%E3%82%AA%E3%83%BC%E3%83%AB%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00024_2.gif

[Preoperative Embolization of Intracranial Meningioma].

Yuta Soutome, Kenji Sugiu, Masafumi Hiramatsu, Jun Haruma, Yuki Ebisudani, Ryo Kimura, Hisanori Edaki, Masato Kawakami, Juntaro Fujita, Shota Tanaka

No shinkei geka. Neurological surgery 52 ( 4 ) 794 - 804 2024.7

Language：Japanese Publishing type：Research paper (scientific journal)

Preoperative embolization(POE)of intracranial meningioma is performed worldwide. Although clear evidence of the effectiveness of POE has not been reported in the literature, the technique plays an important role in open surgery, especially for large or skull base meningiomas. The purposes of embolization include: 1)induction of tumor necrosis, resulting in a safer operation, 2)reduction in intraoperative bleeding, and 3)decrease in operative time. Knowledge of the functional vascular anatomy, embolic materials, and endovascular techniques is paramount to ensure safe embolization. Our standard procedure is as follows: 1)embolization is performed several days before open surgery; 2)in cases with strong peritumoral edema, steroid administration or embolization may be performed immediately prior to surgery; 3)patients undergo the procedure under local anesthesia; 4)the microcatheter is inserted as close as possible to the tumor; 5)particulate emboli are the first-line material; 6)embolization is occasionally performed with N-butyl cyanoacrylate(NBCA)glue; and 7)if possible, additional proximal feeder occlusion with coils is performed. The JR-NET study previous showed the situation regarding intracranial tumor embolization in Japan. Endovascular neurosurgeons should fully discuss the indications and strategies for POE with tumor neurosurgeons to ensure safe and effective procedures.

DOI： 10.11477/mf.1436204978

【脳血管内治療に必要な血管解剖学】静脈編上錐体静脈洞と錐体静脈の血管解剖と関連する硬膜動静脈瘻

平松匡文, 春間純, 杉生憲志, 田中將太

Neurological Surgery 52 ( 3 ) 596 - 604 2024.5

Language：Japanese Publisher：(株)医学書院

＜文献概要＞Point ・上錐体静脈洞と錐体静脈は後頭蓋窩の静脈還流を担う重要な血管であり,さまざまな変異や側腹路が存在する.・この部位の硬膜動静脈瘻では,錐体静脈から後頭蓋窩に逆流するため,神経症候を呈しやすく治療リスクが高い.・周囲の硬膜動静脈瘻から錐体静脈に逆流する場合は,この逆流を確実に遮断する治療戦略が必要である.

Other Link： https://search.jamas.or.jp/default/link?pub_year=2024&ichushi_jid=J01228&link_issn=&doc_id=20240531170018&doc_link_id=10.11477%2Fmf.1436204953&url=https%3A%2F%2Fdoi.org%2F10.11477%2Fmf.1436204953&type=%E5%8C%BB%E6%9B%B8.jp_%E3%82%AA%E3%83%BC%E3%83%AB%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00024_2.gif

[Angioarchitecture and Associated Dural Arteriovenous Fistulas of the Superior Petrosal Sinus and Petrosal Vein].

Masafumi Hiramatsu, Jun Haruma, Kenji Sugiu, Shota Tanaka

No shinkei geka. Neurological surgery 52 ( 3 ) 596 - 604 2024.5

Language：Japanese Publishing type：Research paper (scientific journal)

The superior petrosal sinus and petrosal vein are important drainage routes for the posterior cranial fossa, with some variations and collateral vessels. An anterolateral-type tentorial dural arteriovenous fistula, which occurs around the petrosal vein, often develops aggressive symptoms due to venous reflux to the brainstem and cerebellum. Neuroendovascular treatment of this fistula is usually challenging because transarterial embolization has a high risk and indications for transvenous embolization are limited. In the cavernous sinus and transverse sinus/sigmoid sinus dural arteriovenous fistulas, venous reflux to the petrosal vein is dangerous, and a treatment strategy with the occlusion of the petrosal vein is indispensable. Furthermore, attention should be paid to venous approaches through the superior petrosal sinus.

DOI： 10.11477/mf.1436204953

Evaluation of the shrinkage process of a neck remnant after stent-coil treatment of a cerebral aneurysm using silent magnetic resonance angiography and computational fluid dynamics analysis: illustrative case. International journal

Toru Satoh, Kenji Sugiu, Masafumi Hiramatsu, Jun Haruma, Isao Date

Journal of neurosurgery. Case lessons 7 ( 16 ) 2024.4

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: Silent magnetic resonance angiography (MRA) mitigates metal artifacts, facilitating clear visualization of neck remnants after stent and coil embolization of cerebral aneurysms. This study aims to scrutinize hemodynamics at the neck remnant by employing silent MRA and computational fluid dynamics. OBSERVATIONS: The authors longitudinally tracked images of a partially thrombosed anterior communicating artery aneurysm's neck remnant, which had been treated with stent-assisted coil embolization, using silent MRA over a decade. Computational fluid dynamics delineated the neck remnant's reduction process, evaluating hemodynamic parameters such as flow rate, wall shear stress magnitude and vector, and streamlines. The neck remnant exhibited diminishing surface area, volume, neck size, dome depth, and aspect ratio. Its reduction correlated with a decline in the flow rate ratio of the remnant dome to the inflow parent artery. Analysis delineated regions within the contracting neck remnant characterized by consistently low average wall shear stress magnitude and variation, accompanied by notable variations in wall shear stress vector directionality. LESSONS: Evaluation of neck remnants after stent-coil embolization is possible through silent MRA and computational fluid dynamics. Predicting the neck remnant reduction may be achievable through hemodynamic parameter analysis.

DOI： 10.3171/CASE24141

【ITを駆使した術前シミュレーション-トラブル回避と時短手術習得】これからの新しい術前シミュレーション 3Dプリンタ作成テーラーメード中空型脳動脈瘤モデルを使用した脳血管内治療術前シミュレーション

春間純, 木村颯, 平松匡文, 杉生憲志

Neurological Surgery 52 ( 2 ) 299 - 308 2024.3

Language：Japanese Publisher：(株)医学書院

＜文献概要＞Point ・3Dプリンタでテーラーメード中空型脳動脈瘤モデルを作成することが可能である.・中空型脳動脈瘤モデルを使用してさまざまな脳血管内治療手技を行うことができ,脳血管内治療術前シミュレーションに非常に有用である.

Other Link： https://search.jamas.or.jp/default/link?pub_year=2024&ichushi_jid=J01228&link_issn=&doc_id=20240325230012&doc_link_id=10.11477%2Fmf.1436204914&url=https%3A%2F%2Fdoi.org%2F10.11477%2Fmf.1436204914&type=%E5%8C%BB%E6%9B%B8.jp_%E3%82%AA%E3%83%BC%E3%83%AB%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00024_2.gif

Power suppression in EEG after the onset of SAH is a significant marker of early brain injury in rat models. International journal

Yuji Takasugi, Tomohito Hishikawa, Tomohisa Shimizu, Satoshi Murai, Jun Haruma, Masafumi Hiramatsu, Koji Tokunaga, Yoshimasa Takeda, Kenji Sugiu, Hiroshi Morimatsu, Isao Date

Scientific reports 14 ( 1 ) 2277 - 2277 2024.1

Language：English Publishing type：Research paper (scientific journal)

We analyzed the correlation between the duration of electroencephalogram (EEG) recovery and histological outcome in rats in the acute stage of subarachnoid hemorrhage (SAH) to find a new predictor of the subsequent outcome. SAH was induced in eight rats by cisternal blood injection, and the duration of cortical depolarization was measured. EEG power spectrums were given by time frequency analysis, and histology was evaluated. The appropriate frequency band and recovery percentage of EEG (defined as EEG recovery time) to predict the neuronal damage were determined from 25 patterns (5 bands × 5 recovery rates) of receiver operating characteristic (ROC) curves. Probit regression curves were depicted to evaluate the relationships between neuronal injury and duration of depolarization and EEG recovery. The optimal values of the EEG band and the EEG recovery time to predict neuronal damage were 10-15 Hz and 40%, respectively (area under the curve [AUC]: 0.97). There was a close relationship between the percentage of damaged neurons and the duration of depolarization or EEG recovery time. These results suggest that EEG recovery time, under the above frequency band and recovery rate, may be a novel marker to predict the outcome after SAH.

DOI： 10.1038/s41598-024-52527-0

【脳血管内治療のベーシックと最先端2024】疾患別解説頭蓋内腫瘍塞栓術

春間純, 杉生憲志, 五月女悠太, 川上真人, 枝木久典, 木村颯, 平松匡文

脳神経外科速報 34 ( 1 ) 68 - 73 2024.1

Endovascular Treatment for Intracranial Artery Dissections in Posterior Circulation.

Jun Haruma, Kenji Sugiu, Yuki Ebisudani, Ryu Kimura, Hisanori Edaki, Yoko Yamaoka, Masato Kawakami, Yuta Soutome, Masafumi Hiramatsu

Journal of neuroendovascular therapy 18 ( 3 ) 92 - 102 2024

Language：English Publishing type：Research paper (scientific journal)

Intracranial artery dissections (IADs), although uncommon, are an important cause of cerebral infarction and subarachnoid hemorrhage (SAH). Some IADs can heal spontaneously after reconstitution of the vessel lumen with excellent prognosis. Meanwhile, others can progress to stroke that requires treatment. The incidence of IAD in the posterior circulation is higher than that in the anterior circulation. Anterior circulation dissections are more likely to develop into ischemia and posterior circulation lesions into hemorrhage. The mortality rate after IAD among patients with SAH is 19%-83%. Further, the mortality rate of IAD without SAH is 0%-3%. Patients with SAH commonly undergo surgery or receive neuroendovascular treatment (EVT) to prevent rebleeding. However, the treatment of IADs is empirical in the absence of data from randomized controlled trials. Recently, EVT has emerged and is considered for IADs because of its less invasiveness and perceived low rates of procedure-related morbidity with good efficacy. EVT strategies can be classified into deconstructive (involving sacrifice of the parent artery) and reconstructive (preserving blood flow via the parent vessel) techniques. In particular, the number of reports on reconstructive techniques is increasing. However, a reconstructive technique for ruptured IADs has not yet been established. This review aimed to provide an overview of IADs in the posterior circulation managed with EVT by performing a literature search.

DOI： 10.5797/jnet.ra.2023-0068

Characteristics and outcomes of subarachnoid hemorrhage from vertebral artery dissection: A comparative study with other non-traumatic etiologies. International journal

Shu Oshita, Tetsuya Yumoto, Shunta Jinno, Ippei Matsuo, Takashi Hongo, Hiromichi Naito, Masafumi Hiramatsu, Jun Haruma, Kenji Sugiu, Shota Tanaka, Atsunori Nakao

Acute medicine & surgery 11 ( 1 ) e70031 2024

Language：English Publishing type：Research paper (scientific journal)

AIM: Vertebral artery dissection (VAD) is a rare cause of non-traumatic subarachnoid hemorrhage (SAH) with significant clinical implications. This study compared the clinical characteristics and outcomes of SAH from intracranial VAD rupture to those from other etiologies, primarily aneurysmal rupture. METHODS: This single-center retrospective cohort study at Okayama University Hospital included patients with non-traumatic SAH diagnosed between 2019 and 2023. Patients were categorized into "VAD rupture" and "other etiologies" groups. The main outcome was clinical presentation and symptoms. Additional outcomes included ICU mortality, in-hospital mortality, and unfavorable outcomes at discharge and 6 months, defined as a modified Rankin Scale score of 3-6. RESULTS: A total of 66 patients were included, with 14 in the VAD rupture group and 52 in the other etiologies group. The VAD rupture group was younger (median age 49 vs. 64 years, p = 0.003) and had a higher incidence of out-of-hospital cardiac arrest (42.9% vs. 9.6%, p = 0.011). Preceding headache was more common in the VAD rupture group (78.6% vs. 11.5%, p < 0.001), with a median duration of 36 h before presentation. ICU and in-hospital mortality was higher in the VAD rupture group (both 50.0% vs. 19.3%, p = 0.019). No significant differences were found in unfavorable neurological outcomes at hospital discharge and 6 months. CONCLUSIONS: VAD-related SAH often presents with prodromal headaches, severe symptoms like out-of-hospital cardiac arrest, and higher ICU and in-hospital mortality than other SAH causes, though long-term outcomes are similar. Larger, prospective studies are needed to refine interventions.

DOI： 10.1002/ams2.70031

硬膜動静脈瘻画像診断の新展開

西和彦, 杉生憲志, 平松匡文, 菱川朋人, 春間純, 高橋悠, 村井智, 山岡陽子, 胡谷侑貴, 枝木久典, 木村颯, 川上真人, 伊達勲

脳卒中の外科 51 ( 6 ) 503 - 507 2023.11

Language：Japanese Publisher：(一社)日本脳卒中の外科学会

近年,画像診断の進歩により硬膜動静脈瘻(dural arteriovenous fistula:dAVF)の血管解剖について詳細な理解が可能となってきた.われわれの施設ではdigital subtraction angiography(DSA)のslab maximum intensity projection(MIP)画像を駆使して,dAVFの質的診断に努めてきた.このような,画像診断の進歩は,血管内治療を主体とする外科的治療の戦略決定にも大きく寄与しており,治療成績の向上につながっている.今回はテーマごとにわれわれの知見や最近の文献を交えながら,dAVFに関する画像診断の新展開を紹介する.(著者抄録)

Other Link： https://search.jamas.or.jp/default/link?pub_year=2023&ichushi_jid=J02079&link_issn=&doc_id=20231212130006&doc_link_id=%2Fcp4strok%2F2023%2F005106%2F006%2F0503-0507%26dl%3D0&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fcp4strok%2F2023%2F005106%2F006%2F0503-0507%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

Non-Sinus-Type Dural Arteriovenous Fistula at the Foramen Magnum: A Review of the Literature Invited Reviewed

Masafumi Hiramatsu, Tomohiko Ozaki, Rie Aoki, Shinri Oda, Jun Haruma, Tomohito Hishikawa, Kenji Sugiu, Isao Date

Journal of Neuroendovascular Therapy 2023.7

医学生の脳神経外科カテーテル及び顕微鏡下縫合実習に対するブルームのタキソノミーは履修時期で変化する

胡谷侑貴, 春間純, 三好智子, 平松匡文, 佐々田晋, 山岡陽子, 菅原千明, 木村颯, 枝木久典, 永瀬喬之, 川上真人, 五月女悠太, 杉生憲志

医学教育 54 ( Suppl. ) 203 - 203 2023.7

SAH/Spasmの基礎研究高脂血症ラットにおけるくも膜下出血後脳血管攣縮および早期脳損傷の検討

西和彦, 菱川朋人, 高橋悠, 劉克約, 枝木久典, 木村颯, 胡谷侑貴, 佐藤悠, 山岡陽子, 村井智, 春間純, 平松匡文, 杉生憲志, 西堀正洋, 伊達勲

くも膜下出血と脳血管攣縮 38 65 - 65 2023.7

Angioarchitecture of the Normal Lateral Spinal Artery and Craniocervical Junction Arteriovenous Fistula Using Contrast-enhanced Cone-beam CT. International journal

Masafumi Hiramatsu, Kenji Sugiu, Takao Yasuhara, Tomohito Hishikawa, Jun Haruma, Kazuhiko Nishi, Yoko Yamaoka, Yuki Ebisudani, Hisanori Edaki, Ryu Kimura, Isao Date

Clinical neuroradiology 33 ( 2 ) 375 - 382 2023.6

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND AND PURPOSE: The lateral spinal artery (LSA) perfuses the dorsolateral part of the spinal cord at the craniocervical junction (CCJ). We analyzed the angioarchitecture of the normal LSA and CCJ arteriovenous fistula (AVF). METHODS: The first study included 26 patients with a cerebral aneurysm of the posterior circulation. Using slab maximum intensity projection (MIP) images from three-dimensional rotational angiography (3D-RA) and contrast-enhanced cone-beam CT (CE-CBCT), we analyzed the origin of the LSA, its anastomosis with the posterior inferior cerebellar artery (PICA), the point where it reaches the spinal cord, and the visualized range. In the second study, we analyzed the angioarchitecture and treatment results of 7 CCJAVF lesions treated in our department between 2016 and 2021. RESULTS: We visualized the normal LSA for all patients. In 23 patients with an intradural origin PICA, all LSAs originated from the C1 or C2 radicular artery, and 8 patients had an anastomosis with the PICA. In three patients with a C1 level origin PICA, all LSAs originated from the PICA. All LSAs reached the dorsolateral part of the spinal cord. The mean visualized range of the LSA was 27.4 mm. The LSA was involved in five of seven CCJAVF lesions (71%). There was one lesion with a spinal infarction after LSA embolization. Other lesions were treated by direct interruption of the AVF, and the ASA and LSA were preserved. CONCLUSION: This is the first report that visualized the LSA's normal anatomy using slab MIP images from 3D-RA and CE-CBCT. Knowledge of LSA anatomy is critical to avoid complications during the treatment of CCJAVF.

DOI： 10.1007/s00062-022-01218-2

Transvenous embolization of the direct carotid-cavernous fistula via the pterygoid plexus: illustrative case. Reviewed International journal

Yuki Matsuda, Masafumi Hiramatsu, Kenji Sugiu, Tomohito Hishikawa, Jun Haruma, Kazuhiko Nishi, Yoko Yamaoka, Yuki Ebisudani, Ryu Kimura, Hisanori Edaki, Isao Date

Journal of neurosurgery. Case lessons 5 ( 11 ) 2023.3

Language：English Publishing type：Research paper (scientific journal)

<h4>Background</h4>Endovascular treatment is the mainstay of treatment for carotid-cavernous fistulas, but endovascular approaches vary widely. The authors report a rare case of a direct carotid-cavernous fistula with cranial nerve symptoms caused by rupture of a giant aneurysm in which selective transvenous embolization via the pterygoid plexus was performed.<h4>Observations</h4>An 81-year-old man presented with headache and various progressive cranial nerve symptoms due to a direct carotid-cavernous fistula caused by a ruptured giant aneurysm. All the draining veins visualized on preoperative examination immediately before the treatment were occluded except for the pterygoid plexus. Therefore, the authors chose the dilated pterygoid plexus to approach the shunted pouch at the cavernous sinus and achieve shunt obliteration by selective embolization with coils and n-butyl cyanoacrylate.<h4>Lessons</h4>Careful study of the three-dimensional rotational images in the preoperative examination is important when considering the various approaches to surgery. The pterygoid plexus can be an effective venous approach route to reach the cavernous sinus area.

DOI： 10.3171/CASE22558

小児もやもや病におけるribbon手技の有用性

菱川朋人, 平松匡文, 春間純, 杉生憲志, 伊達勲

小児の脳神経 48 ( 1 ) 15 - 20 2023.3

Language：Japanese Publisher：(一社)日本小児神経外科学会

Ribbon手技は前大脳動脈領域に対する間接血行再建術である.当科でribbon手技を行った連続7例(初回治療4例,追加治療3例)を対象に有効性を検証した.周術期合併症を2例に認めたが,全例で下肢の虚血発作頻度の改善を認め6例で前大脳動脈領域に良好な側副路の形成を認めた.術後脳卒中の発生を認めた例はなく生活の質の維持に貢献していた.小児もやもや病においてribbon手技は初回治療または追加治療として行うことができ,前大脳動脈領域に対する血行再建術として安全かつ有効な治療法と考えられる.(著者抄録)

Other Link： https://search.jamas.or.jp/default/link?pub_year=2023&ichushi_jid=J00650&link_issn=&doc_id=20230622280003&doc_link_id=%2Fco2socie%2F2023%2F004801%2F003%2F0015-0020%26dl%3D0&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fco2socie%2F2023%2F004801%2F003%2F0015-0020%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

Questionnaire Survey of Neurointerventional Simulation Training in the Japanese Society for Neuroendovascular Therapy.

Yuki Ebisudani, Kenji Sugiu, Satoshi Murai, Jun Haruma, Masafumi Hiramatsu, Tomohito Hishikawa, Isao Date

Journal of neuroendovascular therapy 17 ( 9 ) 181 - 187 2023

Language：English Publishing type：Research paper (scientific journal)

OBJECTIVE: Simulation training has focused on education and practical training. However, the adoption rate of neurointerventional simulation training in Japan is unknown. Therefore, we sent a questionnaire survey form to consulting specialists from the Japanese Society for Neuroendovascular Therapy (JSNET) to clarify the actual simulation training situation and compare the differences between university hospitals and general hospitals in Japan. METHODS: The questionnaire survey was conducted in 243 neurosurgical training facilities that had JSNET consulting specialists between May 31, 2021 and July 31, 2021. The questionnaire survey forms were distributed by Google Forms. RESULTS: A total of 162 facilities responded to the survey (response rate: 66.7%; 35.2% from university hospitals and 64.8% from general hospitals). The adoption rate for simulation training was 53.7%, and it was significantly higher in the university hospitals than in the general hospitals (64.9% vs. 47.6%, p = 0.035). On the simulation effectiveness survey, more than 80% of respondents answered that the simulation training was a useful tool for upskill training. The open-ended question on interventional simulation training showed that there are limiting factors such as financial constraints. Additionally, respondents expressed a desire for a standard neurointerventional simulation training and education program. CONCLUSION: The adoption rate for simulation training was 53.7% in the training facilities of JSNET, and it was higher in the university hospitals than in the general hospitals. Most of the respondents answered that simulation training is an effective tool to improve neurointerventional skills. They also requested the establishment of simulation training programs and simulation tools.

DOI： 10.5797/jnet.ra.2022-0062

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