Journal of neuroendovascular therapy最新文献

{"title":"A Case of Acute Ischemic Stroke due to Tandem Lesion Treated with Endovascular Thrombectomy by Internal Carotid Artery Direct Puncture.","authors":"Taro Kusakabe, Yutaka Fukushima, Shinichiro Yoshino, Katsuyuki Hirakawa, Yoshinobu Horio, Hiroshi Abe","doi":"10.5797/jnet.cr.2024-0087","DOIUrl":"10.5797/jnet.cr.2024-0087","url":null,"abstract":"<p><strong>Objective: </strong>Endovascular thrombectomy is widely performed for acute ischemic stroke due to proximal intracranial artery occlusion. The femoral artery is often selected for puncture. However, common carotid artery puncture may be considered in more challenging cases. When the internal carotid artery is occluded or obstructed by atherosclerosis, puncturing the distal internal carotid artery becomes necessary. This is rare and was reported in only 2 cases. We report here a case of endovascular thrombectomy using direct puncture of the internal carotid artery.</p><p><strong>Case presentation: </strong>A 76-year-old male presented with sudden-onset right upper limb hemiparesis and mild dysarthria. Hospital admittance 1 hour later. Diffusion-weighted imaging (DWI) on head MRI revealed a hyperintense area in the left basal ganglia and corona radiata. MRA showed occlusion of the left internal carotid artery and the M2 segment of the left middle cerebral artery. Intravenous tissue plasminogen activator (tPA) was initiated, and endovascular thrombectomy was attempted. However, navigating the occluded left internal carotid artery was impossible. Symptomatic improvement was observed with tPA therapy causing recanalization of the M2 segment. Thus, further treatment was halted. Two days later, aphasia and complete right hemiparesis developed. MRA revealed no left anterior circulation flow. Under general anesthesia, an incision parallel to the left sternocleidomastoid muscle was made, and a direct puncture of the left internal carotid artery was performed to complete thrombectomy.</p><p><strong>Conclusion: </strong>In difficult-to-access cases, especially when considering puncturing the cervical vessels, our report suggests that exposing the cervical vessels first can improve the hemostasis and puncture performance.</p>","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11787995/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143124128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Case of Cavernous Sinus Dural Arteriovenous Fistula with Persistent Left Superior Vena Cava.","authors":"Hikaru Nakamura, Yoichi Morofuji, Kazuaki Okamura, Takeshi Hiu, Takayuki Matsuo","doi":"10.5797/jnet.cr.2024-0047","DOIUrl":"10.5797/jnet.cr.2024-0047","url":null,"abstract":"<p><strong>Objective: </strong>Persistent left superior vena cava (PLSVC) is rare, occurring in approximately 0.3%-0.5% of the population. In endovascular treatment (EVT), the left internal jugular vein (IJV) is approached via the left innominate vein from the superior vena cava; however, the left innominate vein is occasionally absent in patients with PLSVC. Careful consideration is required when performing EVT, particularly transvenous embolization (TVE).</p><p><strong>Case presentation: </strong>A 70-year-old female presented with a left cavernous sinus dural arteriovenous fistula. Left external carotid angiography findings showed that multiple feeders from the ascending pharyngeal artery, accessory meningeal artery, middle meningeal artery, and the artery of the foramen rotundum had formed a shunted pouch posterolateral to the left cavernous sinus. We initially planned to perform a TVE via the right femoral vein. However, PLSVC was detected on common carotid artery angiography. Consequently, a TVE via the left IJV and coil embolization were performed, resulting in the disappearance of the shunt. The patient was discharged without neurological deficits. PLSVC is a rarely observed thoracic venous malformation, with few reports concerning its management in cerebrovascular EVT. Contrast-enhanced computed tomography is useful for diagnosis; however, most patients with PLSVC are clinically asymptomatic and this abnormality is typically an incidental finding, remaining challenging to detect during a preoperative examination.</p><p><strong>Conclusion: </strong>It is essential to consider the possibility of PLSVC and to verify the appropriate access route, including the right atrial level and the venous phase, during preoperative cerebral angiography.</p>","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11787942/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143124131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Case of Flow Diverter Placement for a Recurrent Large Thrombosed Middle Cerebral Artery Aneurysm.","authors":"Yusuke Tanaka, Masato Tsuchimochi, Raisa Funatsuya, Noriaki Sekiguchi, Naoyuki Noda, Koji Suzuki, Yasuhiro Uriu, Shin Tanino, Kosuke Miyahara","doi":"10.5797/jnet.cr.2024-0088","DOIUrl":"10.5797/jnet.cr.2024-0088","url":null,"abstract":"<p><strong>Objective: </strong>There are only a few reports about flow diverter (FD) placement for large thrombosed aneurysms of the middle cerebral artery (MCA). We present a case of FD placement for a recurrent large thrombosed aneurysm of MCA at our hospital.</p><p><strong>Case presentation: </strong>A 72-year-old man with transient visual field disturbance underwent craniotomy for a large aneurysm in the left MCA; dome clipping was performed because of severe arteriosclerosis. Over several years, the residual aneurysm gradually increased in size, and despite antiplatelet therapy, the patient experienced repeated cerebral infarctions due to intra-aneurysmal thrombosis. A closer examination revealed that the M2 superior trunk was occluded. Thus, we performed FD placement, without further complications. After 6 months, the aneurysm was confirmed to be occluded with an O'Kelly-Marotta grading scale (OKM grade) of D. There was no enlargement of the thrombus inside the aneurysm, and the patient is currently under follow-up observation.</p><p><strong>Conclusion: </strong>FD placement may be an option for large thrombosed aneurysms of MCA that are difficult to treat with conventional methods.</p>","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11787943/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143124136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Turn-Over Technique for Inserting and Stabilizing Guiding Sheath without Straightening It during Carotid Artery Stenting via Trans-Brachial Approach in Cases with Severe Vascular Access Conditions.","authors":"Yuki Kato, Kentaro Yamashita, Tomohiro Iida, Kodai Uematsu, Tatsuya Kuroda, Satoru Murase","doi":"10.5797/jnet.tn.2024-0017","DOIUrl":"10.5797/jnet.tn.2024-0017","url":null,"abstract":"<p><strong>Objective: </strong>In cases of severe atherosclerosis or tortuous arteries, inserting the guiding sheath into the target vessel is challenging. Here, we present the turn-over technique for inserting and stabilizing the guiding sheath without straightening it during carotid artery stenting (CAS).</p><p><strong>Case presentation: </strong>Two patients with severe left internal carotid artery stenosis underwent CAS via the trans-brachial approach. Although inserting the guiding sheath into the common carotid artery using conventional techniques was challenging, we succeeded in inserting it into the target vessel using the \"turn-over technique.\" At first, the guidewire was U-turned just above the aortic valve and inserted into the left external carotid artery. The inner catheter and guiding sheath were then followed along the guidewire to the left common carotid artery, and the guidewire and inner catheter were removed. The guiding sheath was stable in a U-turned position, and straightening the guiding sheath was difficult. Devices such as stents and balloons could be delivered without problems, and CAS was completed with the guiding sheath in a U-turned position.</p><p><strong>Conclusion: </strong>The turn-over technique for inserting and stabilizing the guiding sheath for CAS via the trans-brachial approach is an option in cases of difficult catheter access due to atherosclerosis or tortuous arteries.</p>","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"18 7","pages":"203-206"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11260518/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141749871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Single-Center Experience of Mechanical Thrombectomy for Cancer-Associated Ischemic Stroke.","authors":"Shunsuke Magami, Kouhei Yoshida, Yasuaki Nakao, Hidenori Oishi, Takuji Yamamoto","doi":"10.5797/jnet.oa.2023-0067","DOIUrl":"10.5797/jnet.oa.2023-0067","url":null,"abstract":"<p><strong>Objectives: </strong>Cancer-associated ischemic stroke tends to extend over multiple vascular territories and develops under poor general conditions. Owing to the rarity of such cases and poor prognoses, no comprehensive studies on mechanical thrombectomy for cancer-associated ischemic stroke have been reported in Japan. The present study investigated the radiological and clinical characteristics of mechanical thrombectomy in patients with cancer-associated ischemic stroke at our institution.</p><p><strong>Methods: </strong>We retrospectively reviewed 108 patients who underwent mechanical thrombectomy for large cerebral artery occlusion between January 1, 2021, and October 31, 2022, at our institution. The characteristics of mechanical thrombectomy in the cancer-associated ischemic stroke group were compared with those in the control group.</p><p><strong>Results: </strong>Of the 108 patients (112 procedures), seven patients (eight procedures) with clinically diagnosed cancer-associated ischemic stroke underwent mechanical thrombectomy. Of the eight procedures, six were performed during hospitalization. In contrast, only 10 of 104 procedures were performed in the control group. The in-hospital onset rate was higher in the cancer-associated ischemic stroke group (75.0%) compared to that in the controls (9.6%); <i>p</i> <0.001. The puncture-to-reperfusion time was significantly longer in the cancer-associated ischemic stroke group in comparison to that in the controls with a median interquartile range of 69 minutes (60.0-82.0 minutes) and 59.5 minutes (44.5-69.3 minutes), respectively (<i>p</i> <0.01). However, the rates of successful recanalization defined as thrombolysis in cerebral infarction ≥2b were not significantly different between the cancer-associated ischemic stroke group and controls with values of 62.5% and 79.8%, respectively (<i>p</i> = 0.250). Of the eight cases in the cancer-associated ischemic stroke group, only one (12.5%) had a good outcome on a modified Rankin Scale score of 0 to 2 at discharge, in contrast to 23 of the 104 (23.1%) cases in the controls (<i>p</i> = 0.523). Histopathological examination of six retrieved thrombi in the cancer-associated stroke group using hematoxylin and eosin staining revealed that only one case showed an erythrocyte-dominant thrombus while five displayed a fibrinoplatelet-dominant component. Conversely, 65 of 92 retrieved thrombi in the control group were erythrocyte dominant. Cancer was pathologically diagnosed in four of seven patients, all of which were adenocarcinomas.</p><p><strong>Conclusion: </strong>Cancer-associated ischemic stroke tends to occur during hospitalization. Coagulation disorders associated with cancer, especially adenocarcinoma, may be related to the formation of thrombi with fibrinoplatelet-dominant components, leading to ischemic stroke. The procedural time for mechanical thrombectomy in cancer-associated ischemic stroke tends to be longer.</p>","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"18 2","pages":"37-46"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10878738/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139934484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Middle Meningeal Artery Embolization for Refractory Chronic Subdural Hematoma Associated with Acute Myeloid Leukemia: A Case Report.","authors":"Atsuhiro Kojima, Masataka Hosoi, Kanako Hayashi, Mariko Fukumura, Isako Saga","doi":"10.5797/jnet.cr.2023-0084","DOIUrl":"10.5797/jnet.cr.2023-0084","url":null,"abstract":"<p><strong>Objective: </strong>We describe a patient with leukemia-related chronic subdural hematoma (CSDH) who was successfully treated using the combination of surgical evacuation and middle meningeal artery (MMA) embolization.</p><p><strong>Case presentation: </strong>A 73-year-old man without apparent head trauma history was admitted to our hospital because of acute myeloid leukemia (AML). Head CT on admission revealed mild CSDH on both sides. Medical treatment options, including chemotherapy, were started. Since a decrease in platelet count and disseminated intravascular coagulation were observed on day 4, recombinant thrombomodulin was administered. As the patient exhibited signs of altered consciousness due to the enlargement of the right CSDH on day 10, we performed surgical drainage. Despite subsequent platelet transfusion and administration of goreisan, the right CSDH recurred within a short period. On day 17, we performed the second surgery and MMA embolization in one stage. The postoperative clinical course was favorable without recurrence of the hematoma. The patient eventually died on day 123 from a deterioration of his general condition.</p><p><strong>Conclusion: </strong>Although MMA embolization has recently been recognized as an effective treatment option for recurrent CSDH, there are no published reports addressing the efficacy of MMA embolization for refractory CSDH associated with hematological malignancies. Findings from the management of this case suggest that MMA embolization can be the effective treatment option for CSDH in patients with severe hemorrhagic diathesis due to AML.</p>","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"18 2","pages":"47-52"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10878736/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139934486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Successful Retrieval of Filter Embolic Protection Device Fragment Trapped by a Carotid Stent: A Case Report.","authors":"Jun Karakama, Mariko Ishikawa, Sakyo Hirai, Satoru Takahashi, Hikaru Wakabayashi, Hirotaka Sagawa, Shoko Fujii, Kyohei Fujita, Nobuyuki Hirotsune, Kazutaka Sumita","doi":"10.5797/jnet.cr.2023-0085","DOIUrl":"10.5797/jnet.cr.2023-0085","url":null,"abstract":"<p><strong>Objective: </strong>Embolic protection devices are useful for preventing distal embolism during carotid artery stenting (CAS); however, complications have been reported. The successful removal of a filter fragment trapped at the distal edge of a carotid stent during the retrieval procedure is described.</p><p><strong>Case presentation: </strong>CAS was performed for internal carotid artery stenosis in a patient in his 70s, and the carotid stent was successfully placed. During the retrieval procedure, the tip of the filter was trapped at the distal edge of the stent and detached from the filter. Using a snare kit, the filter tip was successfully retrieved, and no postoperative neurological symptoms occurred.</p><p><strong>Conclusion: </strong>The edge of a carotid stent can potentially trap devices. When trapping or fragmentation of a device is suspected, it is necessary to evaluate the situation and cause, and the device should be appropriately retrieved without using force.</p>","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"18 2","pages":"53-57"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10878737/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139934487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Transportation for Patients with Stroke in Need of Mechanical Thrombectomy: A Simulation-Based Study in Hyogo Prefecture, Japan.","authors":"Bumpei Yamasaki, Rei Goto, Hirotoshi Imamura, Nobuyuki Sakai","doi":"10.5797/jnet.oa.2024-0057","DOIUrl":"10.5797/jnet.oa.2024-0057","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to simulate patient transportation to a mechanical thrombectomy (MT)-capable hospital within 60 minutes, taking into account patient volume (demand side of healthcare) and hospital capacity to accept patients (supply side of healthcare).</p><p><strong>Methods: </strong>Simulations were conducted in Hyogo Prefecture, Japan. The estimates of the annual number of patients with stroke eligible for MT in 2020 were based on the incidence of stroke by age group and the percentage of patients with stroke indicated for MT in existing publications. Patients were then randomly placed on a 1 km² mesh map. The patients were randomly generated 100 times using R software (version 4.1.2; R Foundation for Statistical Computing, Vienna, Austria). Hospitals were selected based on 2 criteria: (1) actual provision patterns (39 hospitals) and (2) consolidated patterns (12 hospitals). Simulations were performed using ArcGIS Pro (version 10.8; Esri, Redlands, CA, USA) and Network Analyst extension (Esri) in 3 cases: (1) number of patients estimated from the population in 2020 transported to hospitals that provided MT, (2) number of patients estimated based on the 2020 population transported to selected hospitals in the case of consolidation, and (3) number of patients estimated based on 2040's projected population and transportation to the selected hospitals.</p><p><strong>Results: </strong>In Case 1, the estimated annual number of patients undergoing MT in 2020 was 976. The average number of patients undergoing MT and transported was 961, indicating that 98% (961/976) of the total generated patients could be transported within 60 min. In Case 2, the average number of patients undergoing MT and transported was 940, indicating that 96.3% (940/976) of the total patients could be transported within 60 min. In Case 3, the average number of patients undergoing MT and transported was 1184, showing that 95.1% (1184/1244) of the total generated patients could be transported within 60 min. A few patients in rural areas and remote islands required longer transport times.</p><p><strong>Conclusion: </strong>The simulations showed that patient estimates from the incidence of cerebral infarction by age group and the percentage of patients with stroke indicated for MT were similar to the actual values. The simulation was closed to reality when both the supply and demand sides of healthcare were considered. Thus, this simulation study informs future healthcare policy by demonstrating the geographic distribution of human and capital resources and potential cost reduction through consolidation, taking into account demographic changes.</p>","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"18 12","pages":"305-312"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11658888/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142878810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"WFITN Activities for Diversity and Inclusion in Neuroendovascular Treatment.","authors":"Michihiro Tanaka","doi":"10.5797/jnet.cm.2024-0028","DOIUrl":"https://doi.org/10.5797/jnet.cm.2024-0028","url":null,"abstract":"","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"18 10","pages":"262"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11491268/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142482458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Case of an Intraosseous Arteriovenous Fistula at the Squamous Part of the Occipital Bone with Spontaneous Occlusion of Diploic Venous Drainage.","authors":"Naoki Irizato, Katsunori Asai, Hiroto Okubata, Akihiro Tateishi, Masaaki Taniguchi, Akatsuki Wakayama","doi":"10.5797/jnet.cr.2024-0027","DOIUrl":"10.5797/jnet.cr.2024-0027","url":null,"abstract":"<p><strong>Objective: </strong>An intraosseous arteriovenous fistula (AVF) is a rare fistula with an intracranial shunted pouch. A case of an intraosseous AVF at the squamous part of the occipital bone with spontaneous occlusion of diploic venous drainage is described.</p><p><strong>Case presentation: </strong>The patient, a Japanese woman in her 80s, presented with headaches at the back of the head and a history of multiple unruptured cerebral aneurysms but no recent head trauma. MRA showed abnormal signals in the occipital diploic region, and DSA showed an intraosseous AVF with a shunted pouch in the squamous part of the occipital bone near the inion. This was not seen on MRA 6 months earlier. One month later, follow-up examinations showed spontaneous occlusion of the diploic venous drainage, leading to a change in retrograde drainage into the superior sagittal sinus. Transvenous coil embolization was performed, and the shunted pouch was completely occluded. Postoperatively, the patient's symptoms resolved, and subsequent follow-ups showed no recurrence of the AVF.</p><p><strong>Conclusion: </strong>This case suggested that the vascular architecture of intraosseous AVFs might change over a short period. Transvenous embolization was effective in obliterating the intraosseous shunted pouch.</p>","PeriodicalId":73856,"journal":{"name":"Journal of neuroendovascular therapy","volume":"18 9","pages":"240-244"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11412771/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142302670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}