Neurologia medico-chirurgica最新文献

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Moyamoya Periventricular Choroidal Collateral Registry-A Multicenter Cohort Study of Moyamoya Disease with Choroidal Anastomosis: Study Protocol. Moyamoya 室周脉络膜侧支注册--一项关于脉络膜吻合的 Moyamoya 病的多中心队列研究:研究协议。
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-10-15 Epub Date: 2024-09-07 DOI: 10.2176/jns-nmc.2024-0063
Takeshi Funaki, Susumu Miyamoto
{"title":"Moyamoya Periventricular Choroidal Collateral Registry-A Multicenter Cohort Study of Moyamoya Disease with Choroidal Anastomosis: Study Protocol.","authors":"Takeshi Funaki, Susumu Miyamoto","doi":"10.2176/jns-nmc.2024-0063","DOIUrl":"10.2176/jns-nmc.2024-0063","url":null,"abstract":"<p><p>Recent cohort studies on hemorrhagic and asymptomatic moyamoya disease have revealed that choroidal anastomosis, a type of fragile periventricular collateral pathway (periventricular anastomosis) typical of the disease, is an independent predictor of hemorrhagic stroke. However, treatment strategies for less-symptomatic nonhemorrhagic patients with choroidal anastomosis remain unclear. The Moyamoya Periventricular Choroidal Collateral (P-ChoC) Registry is an ongoing multicentered observational study that will test the hypothesis that extracranial-intracranial bypass prevents de novo hemorrhagic stroke in less symptomatic, nonhemorrhagic patients with choroidal anastomosis and may thus contribute to improving the prognosis of moyamoya disease. In this study, we report the study protocol of the moyamoya P-ChoC Registry and review the literature on choroidal anastomosis as a fragile collateral pathway.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"376-381"},"PeriodicalIF":2.4,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11538803/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142154694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence, Radiological, and Pathological Findings of Ossification and Calcification of the Lumbar Spinal Ligamentum Flavum: A Comparative Study with Thoracic Lesions. 腰椎韧带骨化和钙化的发病率、放射学和病理学发现:与胸椎病变的比较研究。
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-10-15 Epub Date: 2024-09-07 DOI: 10.2176/jns-nmc.2024-0074
Takeaki Endo, Keisuke Takai, Takashi Komori, Yasuhiro Nakata
{"title":"Prevalence, Radiological, and Pathological Findings of Ossification and Calcification of the Lumbar Spinal Ligamentum Flavum: A Comparative Study with Thoracic Lesions.","authors":"Takeaki Endo, Keisuke Takai, Takashi Komori, Yasuhiro Nakata","doi":"10.2176/jns-nmc.2024-0074","DOIUrl":"10.2176/jns-nmc.2024-0074","url":null,"abstract":"<p><p>This study aimed to determine the prevalence of lumbar ligamentum flavum lesions and identify correlations between radiological and pathological findings. We conducted an observational cross-sectional study of 349 patients (lumbar: n = 296, thoracic: n = 39, lumbar and thoracic: n = 14, mean age: 69 ± 12 years, male: 74%) who underwent posterior surgery for thoracolumbar spinal canal stenosis between January 2008 and April 2023 at our hospital.Computed tomography (CT) revealed that the prevalence of ligamentum flavum lesions defined as a high-density area with a CT value of 200 Hounsfield Unit or higher in the lumbar and thoracic spine was 47% (147/310) and 85% (45/53), respectively. CT showed that most patients had radiologically suspected ossification in the lumbar (90%) and thoracic spine (98%) than radiologically suspected calcification. Lumbar lesions were thinner than the thoracic lesions (2.5 vs 3.7 mm, p < 0.01). Pathological examinations were performed in specimens collected from 34 cases (lumbar: n = 13, thoracic: n = 21), and ossification was found in 62% (8/13) and 95% (20/21) of lumbar and thoracic lesions (p = 0.02), respectively. Lastly, ossification was confirmed pathologically in 72% (8/11) and 95% (19/20) of lumbar and thoracic lesions that showed ossification on imaging (p = 0.13), respectively. The literature review revealed that the prevalence of the lumbar ligamentum flavum lesions varied from 1.5 to 35% and the patient population was mostly asymptomatic.Collectively, we found that the prevalence of lumbar ligamentum flavum lesions in symptomatic patients was greater than previously reported. Histologically confirmed ossification was less common in lumbar lesions than in thoracic lesions.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"369-375"},"PeriodicalIF":2.4,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11538805/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142154695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correlation between Delayed Relief after Microvascular Decompression and Morphology of the Lateral Spread Response in Patients with Hemifacial Spasm-Further Examination with Compound Motor Action Potentials. 面肌痉挛患者微血管减压后延迟缓解与外侧扩展反应形态之间的相关性--复合运动动作电位的进一步研究
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-10-15 Epub Date: 2024-09-07 DOI: 10.2176/jns-nmc.2024-0017
Yuki Amano, Bunsho Asayama, Shusaku Noro, Takenori Abe, Masahiro Okuma, Kaori Honjo, Yoshinobu Seo, Hirohiko Nakamura
{"title":"Correlation between Delayed Relief after Microvascular Decompression and Morphology of the Lateral Spread Response in Patients with Hemifacial Spasm-Further Examination with Compound Motor Action Potentials.","authors":"Yuki Amano, Bunsho Asayama, Shusaku Noro, Takenori Abe, Masahiro Okuma, Kaori Honjo, Yoshinobu Seo, Hirohiko Nakamura","doi":"10.2176/jns-nmc.2024-0017","DOIUrl":"10.2176/jns-nmc.2024-0017","url":null,"abstract":"<p><p>Although microvascular decompression (MVD) is a reliable treatment for hemifacial spasm (HFS), postoperative delayed relief is one of its main issues. We previously evaluated the morphology of the lateral spread response (LSR) and reported correlation between delayed relief after MVD and polyphasic morphology of the LSR. This study aimed to investigate the morphology of LSR and the course of recovery of the compound motor action potential (CMAP), to better understand the pathophysiology of delayed healing of HFS. Based on the pattern of the initial LSR morphology on temporal and marginal mandibular branches stimulation, patients were divided into two groups: the monophasic and polyphasic groups. The results of MVD surgery and sequential changes in the CMAP were evaluated 1 week, 1 month, 1 year, and final follow-up after the surgery. Significantly higher rates of persistent postoperative HFS were observed in patients with the polyphasic type of initial LSR at 1 week and 1 month after the surgery (P < 0.05, respectively). In the polyphasic group, the amplitude of the CMAP tended to gradually improve with time, while in the monophasic group, the amplitude of the CMAP decreased on the seventh postoperative day, followed by its gradual improvement. There is a significant correlation between delayed relief after MVD and polyphasic morphology of the initial LSR in patients with HFS. In the polyphasic group, CMAP recovered earlier and showed less reduction in amplitude, suggesting segmental demyelination, with less damage to peripheral nerves.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"360-368"},"PeriodicalIF":2.4,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11538801/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142154693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Important Notes for Preventing Entrapment of Distal Filter-based Embolic Protection Device in Carotid Artery Stenting. 在颈动脉支架植入术中防止远端滤器型栓塞保护装置被卡住的重要注意事项。
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-10-15 Epub Date: 2024-08-28 DOI: 10.2176/jns-nmc.2024-0013
Juntaro Fujita, Nobuyuki Hirotsune, Yuki Matsuda, Osamu Hamasaki, Shoichi Fukuda, Yoshihiro Okada, Aiko Kobashi, Shohei Nishigaki, Keigo Makino, Yusuke Tomita, Naoya Kidani, Kenichiro Muraoka, Shigeki Nishino
{"title":"Important Notes for Preventing Entrapment of Distal Filter-based Embolic Protection Device in Carotid Artery Stenting.","authors":"Juntaro Fujita, Nobuyuki Hirotsune, Yuki Matsuda, Osamu Hamasaki, Shoichi Fukuda, Yoshihiro Okada, Aiko Kobashi, Shohei Nishigaki, Keigo Makino, Yusuke Tomita, Naoya Kidani, Kenichiro Muraoka, Shigeki Nishino","doi":"10.2176/jns-nmc.2024-0013","DOIUrl":"10.2176/jns-nmc.2024-0013","url":null,"abstract":"<p><p>Failure to retrieve a distal filter-based embolic protection device (EPD) is a potential complication of carotid artery stenting. This may be caused by trapping of the proximal marker of the EPD within the stent tip marker. Maintaining an adequate distance between the two can prevent this. We examined the behavior of several stent-filter-based EPD combinations, focusing on their propensity to become trapped or disengage in vitro. Four physicians subjectively rated the force required to result in trapping using a 5-point scale. Moreover, the force required to disengage trapped devices was evaluated. The Casper stent-Spider FX EPD combination was difficult to disengage when entrapment occurred, which suggested that this phenomenon tended to occur with this combination. The stent tip marker of the closed-cell stents advanced as they shortened, which may be a unique feature of closed-cell stents. Although trapping is uncommon, it can cause serious complications. To prevent these complications, device characteristics should be well understood before they are used in patients.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"382-386"},"PeriodicalIF":2.4,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11538804/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142093642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Coil Embolization for Cerebral Aneurysm Using Low Pulse Rate Fluoroscopy. 使用低脉率荧光透视对脑动脉瘤进行线圈栓塞治疗。
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-10-15 Epub Date: 2024-08-28 DOI: 10.2176/jns-nmc.2024-0069
Takeshi Shimizu, Shingo Toyota, Tomoaki Murakami, Maki Kobayashi, Haruhiko Kishima
{"title":"Coil Embolization for Cerebral Aneurysm Using Low Pulse Rate Fluoroscopy.","authors":"Takeshi Shimizu, Shingo Toyota, Tomoaki Murakami, Maki Kobayashi, Haruhiko Kishima","doi":"10.2176/jns-nmc.2024-0069","DOIUrl":"10.2176/jns-nmc.2024-0069","url":null,"abstract":"<p><p>Although coil embolization is commonly perceived as a minimally invasive procedure, the associated radiation exposure cannot be disregarded. To date, no specific study has investigated radiation exposure during coil embolization. This study aimed to investigate the potential of lowering the pulse rate to decrease radiation exposure during coil embolization while maintaining patient safety. Radiation data and clinical features of 70 patients who underwent coil embolization between 2015 and 2020 were retrospectively analyzed. Since July 2017, the pulse rate was regulated from 7.5 to 4 frames per second (f/s). Statistical analyses were performed to examine the correlation between pulse rate and radiation exposure. Out of the 70 procedures, 30 were performed at the standard pulse rate (7.5 f/s), and 40 were performed at the lower pulse rate (4 f/s). In the lower-pulse-rate group, the absorbed dose to the patient (AK) was 2580.7 (±217) mGy, whereas in the standard-pulse-rate group, it was 4760 (±411.1). Both the dose-area product (DAP) and AK were substantially reduced in the low pulse rate group (p = 0.000002). There was a significant correlation between DAP and AK and pulse rate (p = 0.004, p = 0.0017, respectively). Moreover, there was no significant correlation between pulse rate and perioperative complications. Our findings suggest that using a lower pulse rate (4 f/s) can effectively reduce radiation exposure during coil embolization for cerebral aneurysms while ensuring patient safety.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"353-359"},"PeriodicalIF":2.4,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11538802/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142093641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Translational Research Platform for Malignant Central Nervous System Tumors. 恶性中枢神经系统肿瘤转化研究平台。
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-09-15 Epub Date: 2024-08-06 DOI: 10.2176/jns-nmc.2024-0078
Kensuke Tateishi
{"title":"Translational Research Platform for Malignant Central Nervous System Tumors.","authors":"Kensuke Tateishi","doi":"10.2176/jns-nmc.2024-0078","DOIUrl":"10.2176/jns-nmc.2024-0078","url":null,"abstract":"<p><p>Some central nervous system (CNS) malignancies are highly aggressive and urgently need innovative treatment strategies to improve prognosis. A significant concern for therapeutic development is the time-consuming nature of developing treatments for CNS tumors. Therefore, a rapid and efficient translational approach is needed to address this problem. Translational and reverse translational research aims to bridge the gap between laboratory data and clinical applications and has been developed in the field of neuro-oncology. This study presents our translational platform systems for malignant CNS tumors, which combine an intraoperative integrated diagnostic system and comprehensive in vitro and in vivo assay systems. These laboratory systems may contribute to a better understanding of tumor biology and the development of novel therapeutic strategies for the poor prognosis of CNS tumors.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"323-329"},"PeriodicalIF":2.4,"publicationDate":"2024-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11461184/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141902491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bacterial Meningitis Following Aneurysmal Subarachnoid Hemorrhage and Its Association with Cerebral Vasospasm. 动脉瘤性蛛网膜下腔出血后的细菌性脑膜炎及其与脑血管痉挛的关系
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-09-15 Epub Date: 2024-07-27 DOI: 10.2176/jns-nmc.2024-0076
Kunimasa Teranishi, Masanori Goto, Tadashi Sunohara, Masaomi Koyanagi, Junichi Takeda, Ryu Fukumitsu, Nobuyuki Fukui, Yuki Takano, Kota Nakajima, Yuji Naramoto, Yasuhiro Yamamoto, Rikuo Nishii, Satohiro Kawade, Takateru Takamatsu, Masanori Tokuda, Hikari Tomita, Mai Yoshimoto, Hirotoshi Imamura, Nobuyuki Sakai, Tsuyoshi Ohta
{"title":"Bacterial Meningitis Following Aneurysmal Subarachnoid Hemorrhage and Its Association with Cerebral Vasospasm.","authors":"Kunimasa Teranishi, Masanori Goto, Tadashi Sunohara, Masaomi Koyanagi, Junichi Takeda, Ryu Fukumitsu, Nobuyuki Fukui, Yuki Takano, Kota Nakajima, Yuji Naramoto, Yasuhiro Yamamoto, Rikuo Nishii, Satohiro Kawade, Takateru Takamatsu, Masanori Tokuda, Hikari Tomita, Mai Yoshimoto, Hirotoshi Imamura, Nobuyuki Sakai, Tsuyoshi Ohta","doi":"10.2176/jns-nmc.2024-0076","DOIUrl":"10.2176/jns-nmc.2024-0076","url":null,"abstract":"<p><p>Aneurysmal subarachnoid hemorrhage (aSAH) is a critical condition with high in-hospital mortality rates. Delayed cerebral ischemia (DCI), a secondary complication associated with aSAH, can also contribute to morbidity and mortality. Although draining the hematoma from the subarachnoid space has been considered effective in preventing DCI, the placement of a drainage system could increase the risk of bacterial meningitis and ventriculitis. This study aimed to examine the association between meningitis following aSAH and the occurrence of DCI, focusing on the role of cerebral vasospasm. Patients who underwent endovascular coiling or surgical clipping for aSAH from April 2001 to March 2022 were included in this study, while those who did not undergo postoperative drainage were excluded. The patient's clinical characteristics, treatment modalities, and outcomes were then analyzed, after which logistic regression was used to assess the odds ratios (OR) for DCI. A total of 810 patients with aSAH were included in this study. Meningitis following aSAH was identified as an independent factor associated with DCI (odds ratio 5.0 [95% confidence intervals (CI) 2.3-11]). Other significant factors were female sex (odds ratio 1.5 [95% CI 0.89-2.5]) and surgical clipping (odds ratio 2.1 [95% CI 1.3-3.4]). This study demonstrated a significant association between meningitis following aSAH and the development of DCI, suggesting that the inflammatory environment associated with meningitis may contribute to cerebral vasospasm. Early recognition and treatment of meningitis in patients with aSAH could reduce the risk of DCI and improve patient outcomes.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"339-346"},"PeriodicalIF":2.4,"publicationDate":"2024-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11461185/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141788740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of Percutaneous Endoscopic Transforaminal Discectomy, Chemonucleolysis, Microdiscectomy, and Microendoscopic Discectomy for Symptomatic Lumbar Disc Herniation: One-year Follow-up Clinical Results and Disc Degeneration. 经皮内窥镜经椎间孔椎间盘切除术、髓核溶解术、显微椎间盘切除术和显微内窥镜椎间盘切除术治疗症状性腰椎间盘突出症的比较:一年随访临床结果与椎间盘退化。
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-09-15 Epub Date: 2024-07-27 DOI: 10.2176/jns-nmc.2023-0225
Masatoshi Morimoto, Kosuke Sugiura, Hiroaki Manabe, Fumitake Tezuka, Kazuta Yamashita, Yoichiro Takata, Kosaku Higashino, Toshinori Sakai, Takashi Chikawa, Akihiro Nagamachi, Toru Maeda, Koichi Sairyo
{"title":"Comparison of Percutaneous Endoscopic Transforaminal Discectomy, Chemonucleolysis, Microdiscectomy, and Microendoscopic Discectomy for Symptomatic Lumbar Disc Herniation: One-year Follow-up Clinical Results and Disc Degeneration.","authors":"Masatoshi Morimoto, Kosuke Sugiura, Hiroaki Manabe, Fumitake Tezuka, Kazuta Yamashita, Yoichiro Takata, Kosaku Higashino, Toshinori Sakai, Takashi Chikawa, Akihiro Nagamachi, Toru Maeda, Koichi Sairyo","doi":"10.2176/jns-nmc.2023-0225","DOIUrl":"10.2176/jns-nmc.2023-0225","url":null,"abstract":"<p><p>This study compared the 1-year clinical outcomes and disc degeneration rates after transforaminal full-endoscopic lumbar discectomy (TF-FED), condoliase injection, open discectomy (OD), and microendoscopic discectomy (MED) for lumbar disc herniation (LDH). In total, 279 patients with LDH were divided into four treatment groups: TF-FED, OD, MED, and condoliase injection. Outcomes were evaluated on the basis of the complication rate, Japanese Orthopaedic Association Back Pain Evaluation Questionnaire (JOABPEQ), visual analog scale (VAS) scores, and the modified MacNab criteria. Surgical and hospital costs were assessed. Disc degeneration and endplate bone marrow edema were evaluated using magnetic resonance images. The mean postoperative JOABPEQ, VAS, or modified MacNab scores among the four groups had no significant differences. Additionally, the nerve injury or reoperation rate among the TF-FED, OD, and MED groups had no significant difference. However, the reoperation rate with condoliase injection was high because of residual disc herniation. Surgical and hospital costs were lower with condoliase injection and higher with OD and MED than those with TF-FED. With TF-FED and condoliase injection, the Pfirrmann grade progressed, and the disc height was significantly smaller than that with OD and MED. Endplate bone marrow edema was more common with condoliase injection and TF-FED. All groups had good outcomes. TF-FED and condoliase injection may reduce the burden of surgery because they can be performed under local anesthesia with little blood loss and low medical costs but tend to be associated with disc degeneration and endplate bone marrow edema. A randomized controlled study with a larger sample is needed.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"330-338"},"PeriodicalIF":2.4,"publicationDate":"2024-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11461182/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141788741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Combination Technique of N-butyl-2-cyanoacrylate and Minimal Coils with Flow Control for Parent Artery Occlusion of a Giant Internal Carotid Artery Aneurysm: A Technical Note. N-丁基-2-氰基丙烯酸酯与带流量控制的微型线圈的组合技术用于巨大颈内动脉瘤的母动脉闭塞:技术说明。
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-09-15 Epub Date: 2024-07-27 DOI: 10.2176/jns-nmc.2024-0046
Taketo Hanyu, Takashi Izumi, Takafumi Tanei, Masahiro Nishihori, Shunsaku Gotoh, Yoshio Araki, Kinya Yokoyama, Ryuta Saito
{"title":"A Combination Technique of N-butyl-2-cyanoacrylate and Minimal Coils with Flow Control for Parent Artery Occlusion of a Giant Internal Carotid Artery Aneurysm: A Technical Note.","authors":"Taketo Hanyu, Takashi Izumi, Takafumi Tanei, Masahiro Nishihori, Shunsaku Gotoh, Yoshio Araki, Kinya Yokoyama, Ryuta Saito","doi":"10.2176/jns-nmc.2024-0046","DOIUrl":"10.2176/jns-nmc.2024-0046","url":null,"abstract":"<p><p>Parent artery occlusion for large or giant internal carotid artery aneurysms remains a necessary procedure in the era of flow diverters. Endovascular parent artery occlusion is currently performed using detachable balloons or coils, which are difficult to obtain or costly. At our institution, we have devised a technique for combining n-butyl-2-cyanoacrylate and coils with flow control to solve this problem. Patients who underwent parent artery occlusion for large or giant internal carotid artery aneurysms with a follow-up period of more than 12 months were included. Imaging outcomes were evaluated for complete or incomplete aneurysmal occlusion and with or without aneurysmal shrinkage. The clinical outcome was based on changes in the modified Rankin Scale. Ten patients (ten aneurysms) were included. Their average age and average follow-up period were 68.4 years and 36 months, respectively. Complete occlusion and favorable clinical outcome were observed in all cases. The parent artery occlusion using a combination of coils and n-butyl-2-cyanoacrylate with flow control technique is effective for both imaging and clinical outcomes.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"347-351"},"PeriodicalIF":2.4,"publicationDate":"2024-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11461183/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141788739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Treatment Outcomes of PED for Unruptured Aneurysms of Internal Carotid Artery: Comparison of PED-Flex and PED-Shield. PED治疗颈内动脉未破裂动脉瘤的疗效:PED-Flex 和 PED-Shield 的比较。
IF 2.4 4区 医学
Neurologia medico-chirurgica Pub Date : 2024-08-15 Epub Date: 2024-06-19 DOI: 10.2176/jns-nmc.2024-0034
Saki Kawamoto, Tomohiko Ozaki, Katsunori Asai, Tomoki Kidani, Nobuyuki Izutsu, Shin Nakajima, Yonehiro Kanemura, Naoki Nishizawa, Koji Kobayashi, Yosuke Fujimi, Toshiyuki Fujinaka
{"title":"Treatment Outcomes of PED for Unruptured Aneurysms of Internal Carotid Artery: Comparison of PED-Flex and PED-Shield.","authors":"Saki Kawamoto, Tomohiko Ozaki, Katsunori Asai, Tomoki Kidani, Nobuyuki Izutsu, Shin Nakajima, Yonehiro Kanemura, Naoki Nishizawa, Koji Kobayashi, Yosuke Fujimi, Toshiyuki Fujinaka","doi":"10.2176/jns-nmc.2024-0034","DOIUrl":"10.2176/jns-nmc.2024-0034","url":null,"abstract":"<p><p>There is a lack of data regarding the safety and effectiveness of implanting the Pipeline Embolization Device with Shield technology (PED-Shield) compared with the previous generation of Pipeline (PED-Flex). This retrospective single-center study aimed to compare treatment outcomes between the PED-Shield and PED-Flex for treating unruptured internal carotid artery aneurysms. The PED-Flex was used in 62 procedures (67 aneurysms, 59 patients) and the PED-Shield in 53 procedures (59 aneurysms, 58 patients). The mean aneurysm diameter was significantly lower in the PED-Shield group than in the PED-Flex group (11.9 ± 7.0 mm vs. 15.2 ± 6.9 mm, p < 0.001). At the 12-month follow-up, the complete angiographic occlusion rate was 72.1% and 72.3% in the PED-Flex and PED-Shield groups, respectively (p = 0.9808). Limited to aneurysms larger than 10 mm, 70.6% and 68.0%, respectively (p = 0.8175). The incidence of more than three high signal intensity areas on diffusion-weighted imaging after treatment was significantly lower in the PED-Shield group than in the PED-Flex group (27.7% vs. 67.7%; p < 0.001). Limited to aneurysms larger than 10 mm, 41.1% and 69.6%, respectively (p < 0.0117). Symptomatic ischemic complications occurred within 30 days of four PED-Flex procedures (6.5%) and one PED-Shield procedure (2.0%) (p = 0.2315). Limited to aneurysms larger than 10 mm, 1.8% and 3.2%, respectively (p = 0.6677). The incidence of mRS score worsening at 6 months was 3.2% and 1.9% in the PED-Flex and PED-Shield groups, respectively (p = 0.6534). The PED-Shield can achieve outcomes equivalent to or better than the PED-Flex. Further large-scale studies are warranted to confirm our findings.</p>","PeriodicalId":19225,"journal":{"name":"Neurologia medico-chirurgica","volume":" ","pages":"316-322"},"PeriodicalIF":2.4,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11374462/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141427274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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