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[Treatment Choice for Ruptured Intracranial Aneurysm in the Hybrid Era]. [混合时代颅内动脉瘤破裂的治疗选择]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436205014
Hiroharu Kataoka
{"title":"[Treatment Choice for Ruptured Intracranial Aneurysm in the Hybrid Era].","authors":"Hiroharu Kataoka","doi":"10.11477/mf.1436205014","DOIUrl":"10.11477/mf.1436205014","url":null,"abstract":"<p><p>Long-term follow-up results from the International Subarachnoid Aneurysm Trial suggest that coiling is preferable for ruptured aneurysms treatable with both modalities. This finding has led to a growing trend towards coiling for these patients. At our institute, coiling is now the first-line treatment for ruptured aneurysms, with exceptions for middle cerebral artery aneurysms. We also favor direct surgery for small ruptured aneurysms(<3 mm), cases with massive intracerebral hematoma, or situations requiring bypass surgery. While early rebleeding after coiling is uncommon, it carries a certain risk. Therefore, we sometimes choose clipping for ruptured anterior communicating artery or posterior communicating artery aneurysms if clipping poses minimal technical difficulty. To achieve optimal outcomes for ruptured aneurysms, a combined approach is crucial. This involves safe and effective endovascular treatment alongside necessary direct surgical interventions.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Association Between Intracranial Aneurysms and Genes]. [颅内动脉瘤与基因的关系]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436205000
Hirofumi Nakatomi
{"title":"[Association Between Intracranial Aneurysms and Genes].","authors":"Hirofumi Nakatomi","doi":"10.11477/mf.1436205000","DOIUrl":"10.11477/mf.1436205000","url":null,"abstract":"<p><p>Ruptured intracranial aneurysm(IA) leads to aneurysmal subarachnoid hemorrhage(aSAH), which is the most severe type of stroke. Besides age, sex, and alcohol consumption, family history is considered an important risk factor. Approximately 5% of the Japanese population is affected by unruptured cerebral aneurysms. However, their developmental processes and pathologies remain unclear. Familial cerebral aneurysms account for 10% of all cerebral aneurysm cases, and somatic gene mutations are believed to be involved in their development. This review summarizes the recent findings from family-based, genome-wide association, sequencing, and somatic gene mutation studies on IA.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Neck Clipping via Subtemporal Approach]. [通过时下方法削除颈部]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436205006
Hideyuki Yoshioka, Hiroyuki Kinouchi
{"title":"[Neck Clipping via Subtemporal Approach].","authors":"Hideyuki Yoshioka, Hiroyuki Kinouchi","doi":"10.11477/mf.1436205006","DOIUrl":"10.11477/mf.1436205006","url":null,"abstract":"<p><p>The subtemporal approach offers the advantages of a wide surgical field in the anteroposterior direction and easy access to the proximal basilar artery. This approach can be adapted to treat low-positioned aneurysms using a tentorial incision, known as the subtemporal transtentorial approach. However, a disadvantage of the subtemporal approach is the risk of injury to the temporal lobe. To mitigate this risk, it is important to ensure proper positioning, adequate cerebrospinal fluid drainage, preservation of the bridging veins, and intermittent retraction of the temporal lobe.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Endoscopic Approaches in Skull Base Surgery]. [颅底手术的内窥镜方法]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436205018
Takeo Goto
{"title":"[Endoscopic Approaches in Skull Base Surgery].","authors":"Takeo Goto","doi":"10.11477/mf.1436205018","DOIUrl":"https://doi.org/10.11477/mf.1436205018","url":null,"abstract":"<p><p>Endoscopy offers access to a clear, wide surgical field in deep-brain areas. In recent years, opportunities for the use of endoscopy in endonasal or small keyhole approaches have been increasing. However, ascertaining the tumor-specific suitability of endoscopic surgery remains unclear. In this article, we introduce the general concept of endoscopic surgery for skull base tumors. The optimal goal for all types of skull base surgeries is maximum tumor removal with preservation of function. Therefore, it is important to understand the benefits and limitations of various endoscopic approaches for the skull base.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Microsurgery for Vertebral and Posterior Inferior Cerebellar Artery Aneurysms via Lateral Suboccipital Craniotomy]. [通过枕骨下外侧开颅手术治疗椎动脉和小脑后下动脉动脉瘤的显微手术]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436205007
Taku Sugiyama, Miki Fujimura
{"title":"[Microsurgery for Vertebral and Posterior Inferior Cerebellar Artery Aneurysms via Lateral Suboccipital Craniotomy].","authors":"Taku Sugiyama, Miki Fujimura","doi":"10.11477/mf.1436205007","DOIUrl":"10.11477/mf.1436205007","url":null,"abstract":"<p><p>Among ruptured intracranial aneurysms, aneurysms of the vertebral artery(VA) and posterior inferior cerebellar artery(PICA) are relatively rare, and they exhibit distinct characteristics. These include: 1) a high frequency of diverse aneurysmal morphologies, such as fusiform or dissecting aneurysms; 2) proximity to the lower cranial nerves; 3) the presence of perforators to the medulla oblongata; and, 4) obstruction to the surgical approach by specific bony structures, such as the occipital condyle and jugular tubercle. Consequently, these aneurysms often require interventions that are more complex than simple clipping or coiling, which is typical for anterior circulation aneurysms. Interventions include skull base techniques such as the far-lateral approach and revascularization procedures such as occipital artery(OA)-PICA bypass. Despite these complexities, the rarity of these aneurysms and the recent advancements in endovascular procedures pose challenges for young neurosurgeons in acquiring adequate microsurgical experience. This narrative review addresses the clinical features of VA and PICA aneurysms, the history and variations in the lateral suboccipital approach for these aneurysms, and several bypass techniques for reconstructing the PICA. Lastly, we illustrate our current microsurgical practices through a case presentation accompanied by a surgical video showcasing both the far-lateral approach and the OA-PICA bypass.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[How We Do It (2)]. [我们是怎么做的（2）]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436205015
Aoto Shibata, Hiroki Kurita
{"title":"[How We Do It (2)].","authors":"Aoto Shibata, Hiroki Kurita","doi":"10.11477/mf.1436205015","DOIUrl":"10.11477/mf.1436205015","url":null,"abstract":"<p><p>The treatment landscape for ruptured cerebral aneurysms is undergoing a paradigm shift. While endovascular therapy is increasingly favored, the future demands minimally invasive approaches that prioritize both safety and a definitive cure. At our center, we meticulously tailor the treatment strategy for ruptured aneurysms to each patient. This strategy considers the aneurysm's morphology, patient characteristics, and the crucial balance between invasiveness, safety, and achieving a cure. Notably, in the hybrid era, we strive to maintain a strong foundation in both direct surgical and endovascular techniques. This ensures that our surgeons can continue to provide future patients with safe and highly curative treatment options.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Intraoperative Challenges in Endovascular Treatment for Ruptured Intracranial Aneurysms]. [颅内动脉瘤破裂血管内治疗的术中挑战]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436205013
Hajime Nakamura, Masatoshi Takagaki, Tomohiko Ozaki, Haruhiko Kishima
{"title":"[Intraoperative Challenges in Endovascular Treatment for Ruptured Intracranial Aneurysms].","authors":"Hajime Nakamura, Masatoshi Takagaki, Tomohiko Ozaki, Haruhiko Kishima","doi":"10.11477/mf.1436205013","DOIUrl":"10.11477/mf.1436205013","url":null,"abstract":"<p><p>In aneurysmal subarachnoid hemorrhage, the highest therapeutic priority is to ensure immediate hemostasis without intraprocedural complications. This article outlines the possible intraoperative coil embolization complications for ruptured intracranial aneurysms and discuss strategies for their prevention and treatment.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Postoperative Management of Aneurysmal Subarachnoid Hemorrhage]. [动脉瘤性蛛网膜下腔出血的术后处理]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436204998
Hiroyuki Sakata, Hidenori Endo
{"title":"[Postoperative Management of Aneurysmal Subarachnoid Hemorrhage].","authors":"Hiroyuki Sakata, Hidenori Endo","doi":"10.11477/mf.1436204998","DOIUrl":"10.11477/mf.1436204998","url":null,"abstract":"<p><p>Delayed cerebral ischemia(DCI) is one of the most significant complications of subarachnoid hemorrhage. Despite significant evolution in understanding DCI pathophysiology, vasospasm affecting cerebral vessels of large and moderate diameters remain the only clinically measurable component of DCI and is therefore the primary target for intervention in the postoperative management of subarachnoid hemorrhage. In Japan, fasudil hydrochloride and ozagrel sodium are widely used to prevent vasospasms; however, their effects are sometimes insufficient. Clazosentan, a selective endothelin receptor subtype A antagonist, reduces vasospasm-related morbidity and all-cause mortality following aneurysmal subarachnoid hemorrhage. This was demonstrated in a recent randomized phase 3 trial, leading to the approval of clazosentan by the Pharmaceuticals and Medical Devices Agency in Japan. Recent advances in our understanding of subarachnoid hemorrhage will facilitate improved management to reduce the incidence of DCI.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Pathological Review of Brain Damage After Aneurysmal Subarachnoid Hemorrhage]. [动脉瘤性蛛网膜下腔出血后脑损伤的病理学回顾]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436204996
Hidenori Suzuki
{"title":"[Pathological Review of Brain Damage After Aneurysmal Subarachnoid Hemorrhage].","authors":"Hidenori Suzuki","doi":"10.11477/mf.1436204996","DOIUrl":"10.11477/mf.1436204996","url":null,"abstract":"<p><p>Aneurysmal subarachnoid hemorrhage(SAH) causes brain injury and systemic complications, including cardiopulmonary dysfunction, which mutually affect each other. Post-SAH brain injury includes early brain injury(EBI) and delayed cerebral ischemia(DCI). EBI is a non-iatrogenic pathology occurring within 72 h of clinical SAH, primarily induced by increased intracranial pressure, subsequent transient global cerebral ischemia, and extravasated blood components. DCI typically develops between days 4 and 14 after clinical SAH because of erythrolysis(free hemoglobin) and EBI-mediated reactions. EBI and DCI share many pathologies, including large-artery spasm, microvascular spasm, microthrombosis, blood-brain barrier disruption, neuroinflammation, disturbance of venous outflow, and neuroelectric disturbances such as spreading depolarization and epileptic discharge. However, EBI and DCI differ not only in the timing of onset but also in their distribution, with EBI mainly occurring throughout the brain, while DCI occurs locally. Many substances, such as glutamic acid, cytokines, and matricellular proteins, mediate EBI and DCI pathologies. Further elucidation of EBI and DCI pathologies is essential for developing novel treatment strategies.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Spreading Depolarization After Aneurysmal Subarachnoid Hemorrhage]. [动脉瘤性蛛网膜下腔出血后的扩散性去极化]。
Neurological Surgery Pub Date : 2024-09-01 DOI: 10.11477/mf.1436204997
Fumiaki Oka, Hideyuki Ishihara
{"title":"[Spreading Depolarization After Aneurysmal Subarachnoid Hemorrhage].","authors":"Fumiaki Oka, Hideyuki Ishihara","doi":"10.11477/mf.1436204997","DOIUrl":"https://doi.org/10.11477/mf.1436204997","url":null,"abstract":"<p><p>Aneurysmal subarachnoid hemorrhage(aSAH) is a critical condition that often results in severe neurological deficits. Recent studies have highlighted the role of spreading depolarization(SD) in post-aSAH secondary brain injury. SD comprises rapid and sequential changes in neuronal and glial membrane potentials that disrupt energy metabolism and induce neuronal dysfunction. Implicated in both early brain injury(EBI) and delayed cerebral ischemia(DCI), SD worsens clinical outcomes. This review explores the SD-associated mechanisms in aSAH, ascertains the contribution of SD to EBI and DCI, and identifies potential SD-targeted therapeutic strategies to improve the prognosis of aSAH.</p>","PeriodicalId":35984,"journal":{"name":"Neurological Surgery","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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