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Kuroda S, Yamamoto S, Hori E, Kashiwazaki D, Noguchi K. Intraoperative monitoring of cerebrospinal fluid gas tension and pH before and after surgical revascularization for moyamoya disease. Surg Neurol Int 2024; 15:158. [PMID: 38840605 PMCID: PMC11152516 DOI: 10.25259/sni_281_2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 04/19/2024] [Indexed: 06/07/2024] Open
Abstract
Background This study aimed to directly measure cerebrospinal fluid (CSF) gas tensions and pH before and after superficial temporal artery to middle cerebral artery (STA-MCA) anastomosis for moyamoya disease. Methods This study included 25 patients with moyamoya disease who underwent STA-MCA anastomosis combined with indirect bypass onto their 34 hemispheres. About 1 mL of CSF was collected before and after bypass procedures to measure CSF partial pressure of oxygen (PCSFO2), CSF partial pressure of carbon dioxide (PCSFCO2), and CSF pH with a blood gas analyzer. As the controls, the CSF was collected from 6 patients during surgery for an unruptured cerebral aneurysm. PCSFO2 and PCSFCO2 were expressed as the ratio to partial pressure of oxygen (PaO2) and partial pressure of carbon dioxide (PaCO2), respectively. Results PCSFO2/PaO2 was 0.79 ± 0.14 in moyamoya disease, being lower than 1.10 ± 0.09 in the controls (P < 0.0001). PCSFCO2/PaCO2 was 0.90 ± 0.10 in moyamoya disease, being higher than 0.84 ± 0.07 in the controls (P = 0.0261). PCSFO2/PaO2 was significantly lower in pediatric patients than in adult patients and in the hemispheres with reduced cerebral blood flow (CBF) and cerebrovascular reactivity (CVR) to acetazolamide than in those with normal CBF but reduced CVR. STA-MCA anastomosis significantly increased PCSFO2/PaO2 from 0.79 ± 0.14 to 0.86 ± 0.14 (P < 0.01) and reduced PCSFCO2/PaCO2 from 0.90 ± 0.10 to 0.69 ± 0.16 (P < 0.0001). There was no difference in CSF pH between moyamoya disease and the controls. Conclusion PCSFO2/PaO2 was significantly lower in moyamoya disease than in the controls. Its magnitude was more pronounced in pediatric patients than in adult patients and depends on the severity of cerebral ischemia. STA-MCA anastomosis carries dramatic effects on CSF gas tensions in moyamoya patients. CSF may be a valuable biomarker to monitor the pathophysiology of cerebral ischemia/hypoxia in moyamoya disease.
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Affiliation(s)
- Satoshi Kuroda
- Department of Neurosurgery, University of Toyama, Toyama, Japan
| | | | - Emiko Hori
- Department of Neurosurgery, University of Toyama, Toyama, Japan
| | | | - Kyo Noguchi
- Department of Radiology, University of Toyama, Toyama, Japan
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Tan KS, Pandian JD, Liu L, Toyoda K, Leung TWH, Uchiyama S, Kuroda S, Suwanwela NC, Aaron S, Chang HM, Venketasubramanian N. Stroke in Asia. Cerebrovasc Dis Extra 2024; 14:58-75. [PMID: 38657577 DOI: 10.1159/000538928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 04/08/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND There is a significant burden of stroke in Asia. Asia has the largest population in the world in 2023, estimated at 4.7 billion. Approximately 9.5-10.6 million strokes will be anticipated annually in the backdrop of a diverse group of well-developed and less developed countries with large disparities in stroke care resources. In addition, Asian countries are in varying phases of epidemiological transition. SUMMARY In this review, we examined recent epidemiological features of ischaemic stroke and intracerebral haemorrhage in Asia with recent developments in hyperacute stroke reperfusion therapy and technical improvements in intracerebral haemorrhage. The article also discussed the spectrum of cerebrovascular diseases in Asia, which include intracranial atherosclerosis, intracerebral haemorrhage, infective aetiologies of stroke, moyamoya disease, vascular dissection, radiation vasculopathy, and cerebral venous thrombosis. KEY MESSAGES The review of selected literature and recent updates calls for attention to the different requirements for resources within Asia and highlights the breadth of cerebrovascular diseases still requiring further research and more effective therapies.
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Affiliation(s)
- Kay Sin Tan
- Division of Neurology, Department of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | | | - Liping Liu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | | | - Thomas Wai Hon Leung
- Department of Medicine and Therapeutics, Faculty of Medicine, The Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong, China
| | - Shinichiro Uchiyama
- Centre for Brain and Cerebral Vessels, Sanno Medical Centre, International University of Health and Welfare, Tokyo, Japan
| | - Sathoshi Kuroda
- Department of Neurosurgery, Toyama University, Toyama, Japan
| | - Nijasri C Suwanwela
- Chulalongkorn Stroke Centre, King Chulalongkorn Memorial Hospital, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Sanjith Aaron
- Department of Medicine, Christian Medical College, Vellore, India
| | - Hui Meng Chang
- Department of Neurology, National Neuroscience Institute, Singapore General Hospital, Singapore, Singapore
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Uchino H, Ito M, Fujima N, Tokairin K, Tatezawa R, Sugiyama T, Fujimura M. Predictive value of the hemispheric magnetic resonance angiography score on the development of indirect pial synangiosis after combined revascularization surgery for adult moyamoya disease. Acta Neurochir (Wien) 2024; 166:181. [PMID: 38630203 DOI: 10.1007/s00701-024-06079-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
PURPOSE It is difficult to precisely predict indirect bypass development in the context of combined bypass procedures in moyamoya disease (MMD). We aimed to investigate the predictive value of magnetic resonance angiography (MRA) signal intensity in the peripheral portion of the major cerebral arteries for indirect bypass development in adult patients with MMD. METHODS We studied 93 hemispheres from 62 adult patients who underwent combined direct and indirect revascularization between 2005 and 2019 and genetic analysis for RNF213 p.R4810K. The signal intensity of the peripheral portion of the major intracranial arteries during preoperative MRA was graded as a hemispheric MRA score (0-3 in the middle cerebral artery and 0-2 in the anterior cerebral and posterior cerebral arteries, with a high score representing low visibility) according to each vessel's visibility. Postoperative bypass development was qualitatively evaluated using MRA, and we evaluated the correlation between preoperative factors, including the hemispheric MRA score and bypass development, using univariate and multivariate analyses. RESULTS A good indirect bypass was observed in 70% of the hemispheres. Hemispheric MRA scores were significantly higher in hemispheres with good indirect bypass development than in those with poor indirect bypass development (median: 3 vs. 1; p < 0.0001). Multiple logistic regression analysis revealed hemispheric MRA score as an independent predictor of good indirect bypass development (odds ratio, 2.1; 95% confidence interval, 1.3-3.6; p < 0.01). The low hemispheric MRA score (< 2) and wild-type RNF213 predicted poor indirect bypass development with a specificity of 0.92. CONCLUSION Hemispheric MRA score was a predictive factor for indirect bypass development in adult patients who underwent a combined bypass procedure for MMD. Predicting poor indirect bypass development may lead to future tailored bypass surgeries for MMD.
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Affiliation(s)
- Haruto Uchino
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, North 15 West 7, Kita-Ku, Sapporo, 060-8638, Japan.
| | - Masaki Ito
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, North 15 West 7, Kita-Ku, Sapporo, 060-8638, Japan
| | - Noriyuki Fujima
- Department of Radiology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Kikutaro Tokairin
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, North 15 West 7, Kita-Ku, Sapporo, 060-8638, Japan
| | - Ryota Tatezawa
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, North 15 West 7, Kita-Ku, Sapporo, 060-8638, Japan
| | - Taku Sugiyama
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, North 15 West 7, Kita-Ku, Sapporo, 060-8638, Japan
| | - Miki Fujimura
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, North 15 West 7, Kita-Ku, Sapporo, 060-8638, Japan
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Koga Y, Yamamoto S, Kuroda S. Resolution of white matter hyperintensity after surgical revascularization in moyamoya disease - A report of three cases. Surg Neurol Int 2024; 15:131. [PMID: 38741992 PMCID: PMC11090599 DOI: 10.25259/sni_173_2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 03/30/2024] [Indexed: 05/16/2024] Open
Abstract
Background Moyamoya disease often presents white matter hyperintensity (WMH) lesions on fluid-attenuated inversion recovery (FLAIR) images, which is generally accepted as irreversible. We, herein, describe three cases of moyamoya disease with WMH lesions that regressed or disappeared after surgical revascularization. Case Description This report included two pediatric and one young adult case that developed transient ischemic attacks or ischemic stroke due to bilateral Moyamoya disease. Before surgery, five of their six hemispheres had WMH lesions in the subcortical and/or periventricular white matter on FLAIR images. The lesions included morphologically two different patterns: "Striated" and "patchy" morphology. In all of them, combined bypass surgery was successfully performed on both sides, and no cerebrovascular events occurred during follow-up periods. On follow-up magnetic resonance examinations, the "striated" WMH lesions completely disappeared within six months, while the "patchy" WMH lesions slowly regressed over 12 months. Conclusion Based on radiological findings and the postoperative course of the WMH lesions, the "striated" WMH lesions may represent the inflammation or edema along the neuronal axons due to cerebral ischemia, while the "patchy" WMH lesions may represent vasogenic edema in the white matter through the blood-brain barrier breakdown. Earlier surgical revascularization may resolve these WMH lesions in Moyamoya disease.
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Affiliation(s)
| | | | - Satoshi Kuroda
- Department of Neurosurgery, University of Toyama, Toyama, Japan
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Batista S, Koester S, Bishay AE, Bertani R, Oberman DZ, de Abreu LV, Bocanegra-Becerra JE, Amaral D, Isaacs AM, Dewan M, Figueiredo EG. Complications associated with combined direct and indirect bypass in Moyamoya Disease: A meta-analysis. Neurosurg Rev 2024; 47:58. [PMID: 38244093 DOI: 10.1007/s10143-024-02285-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 12/10/2023] [Accepted: 01/06/2024] [Indexed: 01/22/2024]
Abstract
Bypass revascularization helps prevent complications in Moyamoya Disease (MMD). To systematically review complications associated with combined direct and indirect (CB) bypass in MMD and analyze differences between the adult and pediatric populations. A systematic literature review was conducted per PRISMA guidelines. PUBMED, Cochrane Library, Web of Science, and CINAHL, were queried from January 1980 to March 2022. Complications were defined as any event in the immediate post-surgical period of a minimum 3 months follow-up. Exclusion criteria included lack of surgical complication reports, non-English articles, and CB unspecified or reported separately. 18 final studies were included of 1580 procured. 1151 patients (per study range = 10-150, mean = 63.9) were analyzed. 9 (50.0%) studies included pediatric patients. There were 32 total hemorrhagic, 74 total ischemic and 16 total seizure complications, resulting in a rate of 0.04 (95% CI 0.03, 0.06), 0.7 (95% CI 0.04, 0.10) and 0.03 (95% CI 0.02, 0.05), respectively. The rate of hemorrhagic complications in the pediatric showed no significant difference from the adult subgroup (0.03 (95% CI 0.01-0.08) vs. 0.06 (95% CI 0.04-0.10, p = 0.19), such as the rate of ischemic complications (0.12 (95% CI 0.07-0.23) vs. 0.09 (95% CI 0.05-0.14, p = 0.40). Ischemia is the most common complication in CB for MMD. Pediatric patients had similar hemorrhagic and ischemic complication rates compared to adults.
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Affiliation(s)
- Sávio Batista
- School of Medicine, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Ilha Do Fundão, Rio de Janeiro, RJ, 21941-590, Brazil
| | | | | | - Raphael Bertani
- Department of Neurosurgery, University of São Paulo, São Paulo, Brazil
| | | | - Livia V de Abreu
- School of Medicine, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Ilha Do Fundão, Rio de Janeiro, RJ, 21941-590, Brazil.
| | | | - Dillan Amaral
- School of Medicine, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Ilha Do Fundão, Rio de Janeiro, RJ, 21941-590, Brazil
| | - Albert M Isaacs
- Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Michael Dewan
- Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
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Krylov VV, Senko IV, Amiralieva MS, Staroverov MS, Grigoryev IV, Kordonskaya OO, Glotova NA. [Moyamoya disease in adults: treatment methods in modern era]. Zh Nevrol Psikhiatr Im S S Korsakova 2024; 124:75-82. [PMID: 38512098 DOI: 10.17116/jnevro202412403275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Moyamoya angiopathy is a chronic progressive cerebrovascular disease characterized by stenosis and occlusion of the distal segments of the internal carotid arteries and/or proximal segments of the middle and anterior cerebral arteries, with a gradual compensatory restructuring of the cerebral circulation to the system of the external carotid arteries. Today, the main treatment method for Moyamoya angiopathy is surgical revascularization of the brain. A search and analysis of publications on the treatment of adult patients with Moyamoya angiopathy was carried out in the PubMed and Medscape databases over the past 10 years. We present a case of an adult female patient with a hemorrhagic form of Moyamoya angiopathy stage IV according to J. Suzuki, who underwent staged combined revascularization of both cerebral hemispheres. Surgical revascularization included the creation of a low-flow extra-intracranial shunt combined with a combination of indirect synangiosis. The combination of direct and indirect methods of surgical revascularization enables to achieve the development of an extensive network of collaterals and fully compensate for cerebral circulatory disorders both in the early and late postoperative periods, which is confirmed by instrumental diagnostic data. Combined revascularization is the most effective modern method of treating patients with Moyamoya angiopathy due to the complementary influence of direct and indirect components of revascularization.
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Affiliation(s)
- V V Krylov
- Federal Center of Brain Research and Neurotechnology, Moscow, Russia
- Pirogov Russian National Research Medical University, Moscow, Russia
- Sklifosovsky Research Institute for Emergency Medicine, Moscow, Russia
| | - I V Senko
- Federal Center of Brain Research and Neurotechnology, Moscow, Russia
| | - M Sh Amiralieva
- Federal Center of Brain Research and Neurotechnology, Moscow, Russia
| | - M S Staroverov
- Federal Center of Brain Research and Neurotechnology, Moscow, Russia
- Sklifosovsky Research Institute for Emergency Medicine, Moscow, Russia
- Clinical City Hospital No. 4, Perm, Russia
| | - I V Grigoryev
- Federal Center of Brain Research and Neurotechnology, Moscow, Russia
| | - O O Kordonskaya
- Federal Center of Brain Research and Neurotechnology, Moscow, Russia
- Pirogov Russian National Research Medical University, Moscow, Russia
| | - N A Glotova
- Federal Center of Brain Research and Neurotechnology, Moscow, Russia
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Hasegawa S, Tanaka T, Yamamoto S, Kashiwazaki D, Noguchi K, Kuroda S. Late-onset, first-ever involuntary movement after successful surgical revascularization for pediatric moyamoya disease - Report of two cases. Surg Neurol Int 2023; 14:430. [PMID: 38213430 PMCID: PMC10783671 DOI: 10.25259/sni_828_2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 11/19/2023] [Indexed: 01/13/2024] Open
Abstract
Background A small number of children with Moyamoya disease develop involuntary movements as an initial presentation at the onset, which usually resolves after effective surgical revascularization. However, involuntary movements that did not occur at the onset first occur after surgery in very rare cases. In this report, we describe two pediatric cases that developed involuntary movements during the stable postoperative period after successful surgical revascularization. Case Description A 10-year-old boy developed an ischemic stroke and successfully underwent combined bypass surgery. However, he developed chorea six months later. Another 8-year-old boy developed a transient ischemic attack and successfully underwent combined bypass surgery. However, he developed chorea three years later. In both cases, temporary use of haloperidol was quite effective in resolving the symptoms, and involuntary movements did not recur without any medication during follow-up periods of up to 10 years. Conclusion Postoperative first-ever involuntary movement is very rare in pediatric moyamoya disease, and the underlying mechanisms are still unclear, but a temporary, reversible imbalance of excitatory and inhibitory circuits in the basal ganglia may trigger the occurrence of these rare symptoms. Careful follow-up would be mandatory.
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Affiliation(s)
| | - Tomomi Tanaka
- Department of Pediatrics, University of Toyama, Toyama, Japan
| | | | | | - Kyo Noguchi
- Department of Radiology, University of Toyama, Toyama, Japan
| | - Satoshi Kuroda
- Department of Neurosurgery, University of Toyama, Toyama, Japan
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Yuan X, Yu H, Sun Z, Wu J, Gao L, Chong Z, Jin F, Chen Y, Liu D. Evaluation of surgical revascularization procedure outcomes for adult Moyamoya disease: a computed tomography perfusion-based study. Insights Imaging 2023; 14:184. [PMID: 37924434 PMCID: PMC10625502 DOI: 10.1186/s13244-023-01519-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 09/03/2023] [Indexed: 11/06/2023] Open
Abstract
BACKGROUND The effectiveness of surgical interventions, whether direct or indirect, for Moyamoya disease (MMD) remains controversial. This study aims to investigate CT perfusion (CTP) as an objective method to evaluate the outcomes of different surgical modalities for adult MMD. METHODS The clinical and imaging data of 41 patients who underwent superficial temporal artery-middle cerebral artery (STA-MCA) bypass and 43 who received encephaloduroarteriosynangiosis (EDAS) were retrospectively analyzed. Intra- and intergroup differences in the Modified Rankin Scale (mRS) score, the change in clinical symptoms, collateral grade, and CTP parameters pre- and postoperatively were compared. RESULTS The overall level of the change in clinical symptoms in the STA-MCA group was higher than in the EDAS group (p < 0.05). In the operative area, the relative cerebral blood flow (rCBF) was significantly higher whereas the relative time to peak (rTTP) and the relative mean transit time (rMTT) were significantly lower in the STA-MCA and EDAS groups postoperatively than preoperatively (all p < 0.05). In the ipsilateral frontal lobe and basal ganglia, the postoperative rCBF was significantly higher, and the rTTP was significantly lower than the preoperative in the STA-MCA group (all p < 0.05). The postoperative rCBF improvement was higher in each brain area for STA-MCA than in the EDAS group (all p < 0.05). CONCLUSION Highlighting the utility of CTP, this study demonstrates its effectiveness in assessing postoperative cerebral hemodynamic changes in adult MMD patients. STA-MCA yielded a larger postoperative perfusion area and greater improvement compared to EDAS, suggesting CTP's potential to elucidate symptom variation between two surgical revascularization procedures. CRITICAL RELEVANCE STATEMENT We analyzed computed tomography perfusion parameters in pre- and postoperative adult Moyamoya disease patients undergoing superficial temporal artery-middle cerebral artery bypass and encephaloduroarteriosynangiosis. Our findings suggest computed tomography perfusion's potential in objectively elucidating symptom variations between these surgical revascularization approaches for MMD. KEY POINTS • Postoperative perfusion improvement is only confined to the operative area after EDAS. • Besides the operative area, postoperative perfusion in the ipsilateral frontal lobe and basal ganglia was also improved after STA-MCA. • The degree of perfusion improvement in each brain area in the STA-MCA group was generally greater than that in the EDAS group.
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Affiliation(s)
- Xuexia Yuan
- Department of Radiology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Hao Yu
- Department of Radiology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Zhanguo Sun
- Department of Radiology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Jiaxing Wu
- Siemens Healthineers, No. 399, West Haiyang Road, Shanghai, China
| | - Lingyun Gao
- Department of Radiology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Zhen Chong
- Department of Radiology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Feng Jin
- Department of Neurosurgery, Affiliated Hospital of Jining Medical University, Jining, China
| | - Yueqin Chen
- Department of Radiology, Affiliated Hospital of Jining Medical University, Jining, China.
| | - Deguo Liu
- Department of Radiology, Affiliated Hospital of Jining Medical University, Jining, China.
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Lu L, Huang Y, Han Y, Li Y, Wan X, Chen J, Zhang X, Shu K, Lei T, Wang S, Gan C, Zhang H. Clinical effect of a modified superficial temporal artery-middle cerebral artery bypass surgery in Moyamoya disease treatment. Front Neurol 2023; 14:1273822. [PMID: 37941571 PMCID: PMC10628485 DOI: 10.3389/fneur.2023.1273822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/03/2023] [Indexed: 11/10/2023] Open
Abstract
Background Cerebral extracranial-intracranial (EC-IC) revascularization technique (superficial temporal artery-middle cerebral artery (STA-MCA) bypass grafting) has become the preferred surgical method for the treatment of Moyamoya disease (MMD). We attempted to completely free the two branches of the superficial temporal artery without disconnection. Extracranial and intracranial blood flow reconstruction were then modified by selectively performing a direct bypass technique on one branch and a patch fusion technique on the other of the STA based on the blood flow and the vascular diameter of the intracranial surface blood vessels. Methods A series of modified STA-MCA bypass surgeries performed consecutively between March 2022 and March 2023 were reviewed and compared to conventional combined bypass surgeries performed during the same period. The following information was collected from all enrolled patients: demographic characteristics, clinical symptoms, and preoperative and postoperative imaging, including Suzuki stage and Matsushima grade. The modified Rankin scale (mRS) was used to assess the changes in neurological status before and after surgery. Results A total of 41 patients with Moyamoya disease (MMD) who underwent cerebral revascularization were included in this study, of which 30 were conventional revascularization and 11 were modified revascularization. The mean age was 49.91 years, and 18 (43.9%) of the patients were women. The modified group had a lower incidence of cerebral hyperperfusion syndrome (18.2%) than the conventional group (23.3%). After at least 3 months of follow-up, the bypass patency rate remained 100% in the modified group and 93.3% in the conventional group. All patients in the modified group achieved a better Matsushima grade (A + B), with six (54.5%) having an A and five (45.5%) having a B. In contrast, four patients (13.3%) in the conventional group had a Matsushima grade of C. In all, 72.8% of the modified group had postoperative mRS scores of 0 and 1, which was higher than that of the traditional group (63.3%). Conclusion The improved STA-MCA bypass could provide blood flow to multiple cerebral ischemic areas, reduce excessive blood perfusion, and ensure blood supply to the scalp, with lower complications and better clinical benefits than the traditional combined bypass.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Chao Gan
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huaqiu Zhang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Ajala RT, Nguyen A, Lyon K, Qaiser R. Indirect Bypass With Pericranial Transposition for Moyamoya Syndrome in an Infant. Cureus 2023; 15:e44073. [PMID: 37750109 PMCID: PMC10518035 DOI: 10.7759/cureus.44073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 08/23/2023] [Indexed: 09/27/2023] Open
Abstract
Moyamoya syndrome (MMS) is a progressive disease that can result in debilitating strokes. Surgical revascularization is the mainstay of treatment. Selection of the proper bypass technique depends on the vascular anatomy and location of the hypoperfused cerebral territory. We describe here a case of successful indirect bypass utilizing a pericranial flap as well as dural inversion. A seven-month-old female was transferred from an outside facility to our institution for further evaluation and surgical treatment of MMS. She presented with bilateral brain infarcts worse on the left, with right-sided body weakness. After medical stabilization and hyperhydration, she was taken to the operating room for a left-sided indirect bypass. The superficial temporal artery (STA) was traced utilizing doppler but was determined to be too diminutive for transposition, so the decision was made to proceed with encephalo-duro-pericranio-synangiosis (EDPS). A pericranial graft was successfully affixed to the cortical surface in the hypoperfused middle cerebral artery (MCA) territory, and the dura was inverted. Postoperatively, the patient developed a pseudomeningocele, so a revision surgery was performed. She was discharged shortly after this and returned for encephalo-duro-arterio-synangiosis (EDAS) of the contralateral side. She followed up three months after her initial bypass surgery at age 10 months and was crawling without any focal deficits. She was lost to follow-up thereafter. EDPS is a safe technique for infants with MMS whose STA is too diminutive to be used for bypass surgery. This may be an effective method for indirect bypass in these patients.
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Affiliation(s)
- Rodiyah T Ajala
- Surgery, Texas A&M School of Medicine, Bryan, USA
- Neurosurgery, Baylor Scott & White Medical Center, Temple, USA
| | - Anthony Nguyen
- Neurosurgery, Baylor Scott & White Medical Center, Temple, USA
| | - Kristopher Lyon
- Neurosurgery, Baylor Scott & White Medical Center, Temple, USA
| | - Rabia Qaiser
- Neurosurgery, Baylor Scott & White Medical Center, Temple, USA
- Neurological Surgery, Indiana University School of Medicine, Indianapolis, USA
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Kuroda S, Yamamoto S, Funaki T, Fujimura M, Kataoka H, Hishikawa T, Takahashi J, Endo H, Nariai T, Osato T, Saito N, Sato N, Hori E, Ito YM, Miyamoto S. Five-Year Stroke Risk and Its Predictors in Asymptomatic Moyamoya Disease: Asymptomatic Moyamoya Registry (AMORE). Stroke 2023; 54:1494-1504. [PMID: 37216455 DOI: 10.1161/strokeaha.122.041932] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 03/30/2023] [Indexed: 05/24/2023]
Abstract
BACKGROUND Long-term outcomes are unknown in patients with asymptomatic moyamoya disease. In this report, we aimed to clarify their 5-year risk of stroke and its predictors. METHODS We are conducting a multicenter, prospective cohort study (Asymptomatic Moyamoya Registry) in Japan. Participants were eligible if they were 20 to 70 years, had bilateral or unilateral moyamoya disease, experienced no episodes suggestive of TIA and stroke; and were functionally independent (modified Rankin Scale score 0-1). Demographic and radiological information was collected at enrollment. In this study, they are still followed up for 10 years. In this interim analysis, we defined the primary end point as a stroke occurring during a 5-year follow-up period. Independent predictors for stroke were also determined, using a stratification analysis method. RESULTS Between 2012 and 2015, we enrolled 109 patients, of whom 103 patients with 182 involved hemispheres completed the 5-year follow-up. According to the findings on DSA and MRA, 143 hemispheres were judged as moyamoya disease and 39 hemispheres as questionable manifestations (isolated middle cerebral artery stenosis). The patients with questionable hemispheres were significantly older, more often male, and more frequently had hypertension than those with moyamoya hemisphere. Moyamoya hemispheres developed 7 strokes, including 6 hemorrhagic and 1 ischemic stroke, during the first 5 years. The annual risk of stroke was 1.4% per person, 0.8% per hemisphere, and 1.0% per moyamoya hemisphere. Independent predictor for stroke was Grade-2 choroidal anastomosis (hazard ratio, 5.05 [95% CI, 1.24-20.6]; P=0.023). Furthermore, microbleeds (hazard ratio, 4.89 [95% CI, 1.13-21.3]; P=0.0342) and Grade-2 choroidal anastomosis (hazard ratio, 7.05 [95% CI, 1.62-30.7]; P=0.0093) significantly predicted hemorrhagic stroke. No questionable hemispheres developed any stroke. CONCLUSIONS The hemispheres with asymptomatic moyamoya disease may carry a 1.0% annual risk of stroke during the first 5 years, the majority of which are hemorrhagic stroke. Grade-2 choroidal anastomosis may predict stroke, and the microbleeds and Grade-2 choroidal anastomosis may carry the risk for hemorrhagic stroke. REGISTRATION URL: https://www. CLINICALTRIALS gov; Unique identifier: UMIN000006640.
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Affiliation(s)
- Satoshi Kuroda
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Japan (S.K., S.Y., E.H.)
| | - Shusuke Yamamoto
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Japan (S.K., S.Y., E.H.)
| | - Takeshi Funaki
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Japan (T.F., S.M.)
| | - Miki Fujimura
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan (M.F.)
| | - Hiroharu Kataoka
- Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.K.)
| | - Tomohito Hishikawa
- Department of Neurological Surgery, Okayama University Faculty of Medicine, Dentistry, and Pharmaceutical Sciences, Japan (T.H.)
| | - Jun Takahashi
- Department of Neurosurgery, Kindai University School of Medicine, Sayama, Japan (J.T.)
| | - Hidenori Endo
- Department of Neurosurgery, Kohnan Hospital, Sendai, Japan (H.E.)
| | - Tadashi Nariai
- Department of Neurosurgery, Tokyo Medical and Dental University, Japan (T.N.)
| | - Toshiaki Osato
- Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Japan (T.O.)
| | - Nobuhito Saito
- Department of Neurosurgery, Faculty of Medicine, The University of Tokyo, Japan (N. Saito)
| | - Norihiro Sato
- Clinical Research and Medical Innovation Center (N. Sato), Hokkaido University Hospital, Sapporo, Japan
| | - Emiko Hori
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Japan (S.K., S.Y., E.H.)
| | - Yoichi M Ito
- Data Science Center, Promotion Unit, Institute of Health Science Innovation for Medical Care (Y.M.I.), Hokkaido University Hospital, Sapporo, Japan
| | - Susumu Miyamoto
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Japan (T.F., S.M.)
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12
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Wang X, Liu H, Xu M, Chen C, Ma L, Dai F. Efficacy assessment of superficial temporal artery-middle cerebral artery bypass surgery in treating moyamoya disease from a hemodynamic perspective: a pilot study using computational modeling and perfusion imaging. Acta Neurochir (Wien) 2023; 165:613-623. [PMID: 36595057 DOI: 10.1007/s00701-022-05455-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 12/05/2022] [Indexed: 01/04/2023]
Abstract
BACKGROUND Superficial temporal artery-middle cerebral artery (STA-MCA) bypass is a common surgery in treating moyamoya disease (MMD) with occluded MCA. Computational fluid dynamics (CFD) simulation might provide a simple, non-invasive, and low-cost tool to evaluate the efficacy of STA-MCA surgery. AIM We aim to quantitatively investigate the treatment efficacy of STA-MCA surgery in improving the blood flow of MMD patients using CFD simulation. METHODS This retrospective study included 11 MMD patients with occlusion around proximal MCA who underwent STA-MCA bypass surgery. CFD simulation was performed using patient-specific blood pressure and postoperative artery geometry. The volumetric flow rates of STA and the bypass, average flow velocity in the proximal segment of transcranial bypass, transcranial pressure drop, and transcranial flow resistance were measured and compared with a postoperative increment of cerebral blood flow (CBF) in MCA territories derived from perfusion imaging. Per-branch pressure drop from model inlet to bypass branch outlet was calculated. RESULTS The volumetric flow rates of STA and the bypass were 80.84 ± 14.54 mL/min and 46.03 ± 4.21 mL/min. Average flow velocity in proximal bypass, transcranial pressure drop, and transcranial flow resistance were 0.19 ± 0.07 m/s, 3.72 ± 3.10 mmHg, and 6.54 ± 5.65 10-8 Pa s m-3. Postoperative mean increment of CBF in MCA territories was 16.03 ± 11.72 mL·100 g-1·min-1. Per-branch pressure drop was 10.96 ± 5.59 mmHg and 7.26 ± 4.25 mmHg in branches with and without stenosis. CONCLUSIONS CFD simulation results are consistent with CBF observation in verifying the efficacy of STA-MCA bypass, where postoperative stenosis may influence the hemodynamics.
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Affiliation(s)
- Xinhong Wang
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, Zhejiang Province, China.
| | - Haipeng Liu
- Research Centre for Intelligent Healthcare, Coventry University, Coventry, CV1 5FB, UK.
| | - Mengxi Xu
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, Zhejiang Province, China
| | - Cong Chen
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, Zhejiang Province, China
| | - Linlin Ma
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, Zhejiang Province, China
| | - Fangyu Dai
- Department of Neurology, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, 316000, Zhejiang Province, China
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13
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Bersano A, Khan N, Fuentes B, Acerbi F, Canavero I, Tournier-Lasserve E, Vajcoczy P, Zedde ML, Hussain S, Lémeret S, Kraemer M, Herve D. European Stroke Organisation (ESO) Guidelines on Moyamoya angiopathy: Endorsed by Vascular European Reference Network (VASCERN). Eur Stroke J 2023; 8:55-84. [PMID: 37021176 PMCID: PMC10069176 DOI: 10.1177/23969873221144089] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 11/16/2022] [Indexed: 02/05/2023] Open
Abstract
The European Stroke Organisation (ESO) guidelines on Moyamoya Angiopathy (MMA), developed according to ESO standard operating procedure and Grading of Recommendations, Assessment, Development and Evaluation (GRADE) methodology, were compiled to assist clinicians in managing patients with MMA in their decision making. A working group involving neurologists, neurosurgeons, a geneticist and methodologists identified nine relevant clinical questions, performed systematic literature reviews and, whenever possible, meta-analyses. Quality assessment of the available evidence was made with specific recommendations. In the absence of sufficient evidence to provide recommendations, Expert Consensus Statements were formulated. Based on low quality evidence from one RCT, we recommend direct bypass surgery in adult patients with haemorrhagic presentation. For ischaemic adult patients and children, we suggest revascularization surgery using direct or combined technique rather than indirect, in the presence of haemodynamic impairment and with an interval of 6–12 weeks between the last cerebrovascular event and surgery. In the absence of robust trial, an Expert Consensus was reached recommending long-term antiplatelet therapy in non-haemorrhagic MMA, as it may reduce risk of embolic stroke. We also agreed on the utility of performing pre- and post- operative haemodynamic and posterior cerebral artery assessment. There were insufficient data to recommend systematic variant screening of RNF213 p.R4810K. Additionally, we suggest that long-term MMA neuroimaging follow up may guide therapeutic decision making by assessing the disease progression. We believe that this guideline, which is the first comprehensive European guideline on MMA management using GRADE methods will assist clinicians to choose the most effective management strategy for MMA.
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Affiliation(s)
- Anna Bersano
- Cerebrovascular Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Nadia Khan
- Moyamoya Center, University Children’s Hospital Zurich, Switzerland
- Moyamoya Center for adults, Department of Neurosurgery, University Tubingen, Germany
| | - Blanca Fuentes
- Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital-Universidad Autónoma de Madrid), Madrid, Spain
| | - Francesco Acerbi
- Cerebrovascular Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Isabella Canavero
- Cerebrovascular Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | | | - Peter Vajcoczy
- Department of Neurosurgery, Charité Universitätsmedizin Berlin, Germany
| | - Maria Luisa Zedde
- Neurology Unit, Stroke Unit, Azienda Unità Sanitaria Locale – IRCCS di Reggio Emilia, Italy
| | | | | | - Markus Kraemer
- Department of Neurology, Alfried Krupp Hospital, Essen, Germany
- Department of Neurology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Dominique Herve
- CNVT-CERVCO et département de Neurologie, Hôpital Lariboisière, APHP Nord, Paris, France
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14
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Encephalo-Arterio-Synangiosis with Cranioplasty after Treatment of Acute Subdural Hematoma Associated with Subcortical Hemorrhage Due to Unilateral Moyamoya Disease. Case Rep Neurol Med 2023; 2023:1787738. [PMID: 36704418 PMCID: PMC9873458 DOI: 10.1155/2023/1787738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 12/20/2022] [Accepted: 01/05/2023] [Indexed: 01/19/2023] Open
Abstract
Moyamoya disease is often diagnosed after intracranial hemorrhage in adult patients. Here, we report a case of unilateral moyamoya disease treated with indirect revascularization combined with cranioplasty after treatment for acute subdural hematoma and subcortical hemorrhage. A middle-aged woman with disturbed consciousness was transferred to our hospital. Computed tomography (CT) revealed an acute subdural hematoma with left temporoparietal subcortical hemorrhage. Three-dimensional CT angiography indicated a scarcely enhanced left middle cerebral artery (MCA) that was suspected to be delayed or nonfilling due to increased intracranial pressure. Subsequently, hematoma evacuation and external decompression were performed. Postoperative digital subtraction angiography (DSA) revealed stenosis of the left MCA and moyamoya vessels, indicating unilateral moyamoya disease. Forty-five days after the initial procedure, we performed encephalo-arterio-synangiosis (EAS) using the superficial temporal artery simultaneously with cranioplasty for the skull defect. The modified Rankin Scale score of the patient one year after discharge was 1, and the repeat DSA showed good patency of the EAS. Revascularization using EAS in the second step can be an option for revascularization for hemorrhagic moyamoya disease if the patient required cranioplasty for postoperative skull defect after decompressive craniotomy.
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15
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Zhang D, Li X, Jia N, Chen W, Hu Y. Bibliometric and visual analysis of cerebral revascularization from 1999 to 2022. Front Neurosci 2023; 16:1088448. [PMID: 36699511 PMCID: PMC9868924 DOI: 10.3389/fnins.2022.1088448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 12/20/2022] [Indexed: 01/12/2023] Open
Abstract
Background Cerebral revascularization is a neurosurgical procedure used to restore the cerebral collateral circulation channel. This study examines the countries, institutions, authors, journals, keywords, and references related to the disease in the field of cerebral revascularization from 1999 to 2022 from a bibliometrics perspective, evaluates the changes of knowledge structure clustering and identifies the new hot spots and new research directions in this field. Methods The Web of Science Core Collection (WOSCC) database and the PICOS retrieval method were used to conduct a comprehensive search for articles and reviews pertaining to cerebral revascularization. The final filtered data were bibliometrically and visually drawn using Microsoft office 365, CiteSpace (v.6.1.R2), and VOSviewer (v.1.6.18). Results From 1999 to 2022, a total of 854 articles pertaining to cerebral revascularization, which originated from 46 nations, 482 institutions, and 686 researchers, were extracted from the WOSCC database, and the number of publications in this field of study was rising. The United States held the highest proportion in the ranking analysis of countries, institutions, authors, and journals. By analyzing co-citations, the scientific organization of this field and the development status of frontier fields were realized. Cerebral revascularization, moyamoya disease, extracranial intracranial bypass, and occlusion are the current research focal points in the field of cerebral revascularization. Hyperperfusion and vascular disorder may also become a new study focus in this discipline in the near future. Conclusion Using the method of bibliometrics, this study analyzed and reviewed the articles in the field of cerebral revascularization, which enabled scholars to better comprehend the dynamic process in this field and provided a foundation for future in-depth research.
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Affiliation(s)
- Ding Zhang
- Guangxi University of Chinese Medicine, Nanning, China
| | - Xiaoqian Li
- Weinan Vocational and Technical College Nursing College, Weinan, China
| | - Ni Jia
- Department of Encephalopathy, The First Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xi’an, China
| | - Wei Chen
- Department of Encephalopathy, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China
| | - Yueqiang Hu
- Department of Encephalopathy, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China,*Correspondence: Yueqiang Hu,
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16
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Araki Y, Yokoyama K, Uda K, Kanamori F, Mamiya T, Takayanagi K, Ishii K, Shintai K, Nishihori M, Tsukada T, Takeuchi K, Tanahashi K, Nagata Y, Nishimura Y, Tanei T, Nagashima Y, Muraoka S, Izumi T, Seki Y, Saito R. The preoperative focal cerebral blood flow status may be associated with slow flow in the bypass graft after combined surgery for moyamoya disease. Surg Neurol Int 2022; 13:511. [DOI: 10.25259/sni_772_2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/19/2022] [Indexed: 11/06/2022] Open
Abstract
Background:
The aim of this study was to investigate the association between early postoperative slow flow in bypass grafts and preoperative focal cerebral blood flow (CBF) in patients who underwent combined surgery for moyamoya disease (MMD).
Methods:
The subjects were 18 patients (22 surgeries) who underwent single photon emission computed tomography (SPECT) before surgery. The CBF value of the middle cerebral artery territory was extracted from the SPECT data, and the value relative to the ipsilateral cerebellar CBF (relative CBF, or RCBF) was calculated. The association between RCBF and early postoperative slow flow in the bypass graft was investigated. In addition, the correlation between the revascularization effect and preoperative RCBF was analyzed.
Results:
In four of 22 surgeries (18.2%), slow flow in the bypass graft was identified in the early postoperative period. Preoperative RCBF in the slow flow and patent groups was 0.86 ± 0.15 and 0.87 ± 0.15, respectively, with no significant difference (P = 0.72). The signal intensity of four slow-flowed bypasses was improved in all cases on magnetic resonance angiography images captured during the chronic phase (mean of 3.3 months postoperatively). The revascularization scores were 2 ± 0.82 and 2.1 ± 0.68 in the slow flow and patent groups, respectively, and did not differ significantly (P = 0.78). A significant correlation was not observed between preoperative RCBF and the revascularization effect.
Conclusion:
No significant association was observed between preoperative RCBF and early postoperative slow flow in bypass grafts in patients with MMD undergoing combined surgery. Given the high rate of improved depiction of slow-flowed bypass in the chronic postoperative phase, the conceptual significance of an opportune surgical intervention is to maintain CBF by supporting the patient’s own intracranial-extracranial conversion function.
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Affiliation(s)
- Yoshio Araki
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
| | - Kinya Yokoyama
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
| | - Kenji Uda
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
| | | | - Takashi Mamiya
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
| | - Kai Takayanagi
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
| | - Kazuki Ishii
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
| | - Kazunori Shintai
- Department of Neurosurgery, Japanese Red Cross Aichi Medical Center Nagoya Daini Hospital, Nagoya, Japan
| | | | - Tetsuya Tsukada
- Department of Neurosurgery, Japanese Red Cross Aichi Medical Center Nagoya Daini Hospital, Nagoya, Japan
| | | | | | - Yuichi Nagata
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
| | | | - Takafumi Tanei
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
| | | | - Shinsuke Muraoka
- Department of Neurosurgery, Kariya Toyota General Hospital, Kariya, Japan
| | - Takashi Izumi
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
| | - Yukio Seki
- Department of Neurosurgery, Japanese Red Cross Aichi Medical Center Nagoya Daini Hospital, Nagoya, Japan
| | - Ryuta Saito
- Department of Neurosurgery, Nagoya University, Nagoya, Japan
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17
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Xu D, Zheng B, Wu Q, Yao J, Ilyasova T, Beilerli A, Shi H. Outcomes after superficial temporal artery–middle cerebral artery anastomosis combined with multiple burr hole surgery and dural inversion synangiosis for moyamoya disease in adults. Front Surg 2022; 9:1047727. [PMID: 36406349 PMCID: PMC9672457 DOI: 10.3389/fsurg.2022.1047727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 10/13/2022] [Indexed: 11/06/2022] Open
Abstract
Objective Several forms of cerebral revascularization have been carried out to treat moyamoya disease, however, the existing methods are accompanied by a variety of complications. In this study, the authors aimed to evaluate the clinical and angiographic outcomes of a new surgical procedure: superficial temporal artery–middle cerebral artery (STA-MCA) anastomosis combined with multiple burr hole (MBH) surgery and dural inversion synangiosis for the treatment of moyamoya disease in adults. Methods Patients treated for moyamoya disease from August 2019 to July 2021 were retrospectively reviewed. Clinical data, including perioperative complications and follow-up outcomes, were noted. Preoperative and postoperative angiograms were compared, and the diameters of the frontal branch of the superficial temporal artery (F-STA), the deep temporal artery (DTA), the distal superficial temporal artery (STA) before the bifurcation and the middle meningeal artery (MMA) were measured on preoperative and postoperative angiograms. Meanwhile, a Matsushima score was assigned from postoperative angiograms. Results This study included 66 patients (67 hemispheres). During the follow-up period, a median of 18 (IQR, 13–21) months, no stroke or death occurred in any of the patients. The clinical outcomes were excellent in 27 patients (40.9%), good in 34 patients (51.6%), fair in 4 patients (6.0%), and poor in 1 patient (1.5%); the overall rate of favorable clinical outcomes (excellent and good) was 92.5%. The modified Rankin Scale (mRS) score was significantly improved at follow-up (P < 0.001). There were 41 hemispheres imaged by cerebral angiography after the operation, at a median postoperative interval of 9 (IQR, 8–12) months; among them, 34 (82.9%) hemispheres had Matsushima scores of grade A and grade B. The average postoperative diameters in the STA, DTA and MMA were increased significantly in 41 hemispheres at follow-up (P < 0.001). Sixteen (24.2%) patients suffered from perioperative complications, including focal hyperperfusion syndrome (HS) in 8 (12.2%) patients, cerebral infarction in 3 (4.5%) patients (including one case accompanied by wound infection), cerebral hemorrhage in 2 (3.0%) patients, seizures in 2 (3.0%) patients, and subdural effusion in 1 (1.5%) patient. Conclusions The procedure of STA-MCA anastomosis combined with MBH surgery and dural inversion synangiosis may be a safe and effective treatment for adult patients with moyamoya disease.
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Affiliation(s)
- Dongxiao Xu
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Bingjie Zheng
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qiaowei Wu
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jinbiao Yao
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Tatiana Ilyasova
- Department of Internal Diseases, Bashkir State Medical University, Ufa, Russia
| | - Aferin Beilerli
- Department of Obstetrics and Gynecology, Tyumen State Medical University, Tyumen, Russia
| | - Huaizhang Shi
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Correspondence: Huaizhang Shi
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18
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Changes in periventricular anastomosis after indirect revascularization surgery alone for adult patients with misery perfusion due to ischemic moyamoya disease. Neurosurg Rev 2022; 45:3665-3673. [DOI: 10.1007/s10143-022-01861-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 08/09/2022] [Accepted: 09/11/2022] [Indexed: 10/14/2022]
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19
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Kawabori M, Ito M, Kazumata K, Tokairin K, Hatanaka KC, Ishikawa S, Houkin K, Fujimura M. Impact of RNF213 c.14576G>A Variant on the Development of Direct and Indirect Revascularization in Pediatric Moyamoya Disease. Cerebrovasc Dis 2022; 52:171-176. [PMID: 36063804 PMCID: PMC10906473 DOI: 10.1159/000526089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 06/27/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Superficial temporal artery (direct) and encephalomyosynangiosis (indirect) revascularization may develop after combined bypass surgery in pediatric patients with moyamoya disease (MMD). However, arterial development varies widely among patients, and the underlying mechanisms remain unknown. OBJECTIVES We evaluated the relationship between the development of donor arteries after bypass surgery in pediatric patients with MMD and the MMD-susceptibility gene variant c.14576G>A of ring finger protein (RNF) 213. METHODS The data of pediatric patients with MMD (age <16 years at the time of surgery) treated with combined bypass surgery between September 2013 and April 2019 were consecutively analyzed. Quantitative measurements of the superficial temporal artery (STA), deep temporal artery (DTA), and middle meningeal artery (MMA) diameters with magnetic resonance angiography (MRA) source imaging were performed preoperatively and at 6-12 months postoperatively. The postoperative caliber change ratios (CCRs) were calculated. The relationship between CCRs and RNF213 c.14576G>A status was examined. RESULTS Forty-eight hemispheres from 28 pediatric patients with MMD were examined. Three hemispheres belonged to patients with the AA genotype; 33 to patients with the AG genotype (AA/AG group); and 12 to patients with the GG genotype (GG group; wild type). The CCRs for the DTA were significantly higher in patients with RNF213 variant (AA/AG group; 2.5 ± 0.1) than in the GG group (2.0 ± 0.2) (p = 0.03), whereas the CCRs for the STA were significantly higher in the GG (1.6 ± 0.1) than in the AA/AG group (1.3 ± 0.6) (p = 0.02). There was no significant difference in the CCRs for the MMA and basilar artery between the groups. Other factors, including sex, age, and MRA grading, were not associated with the development of specific bypass development. CONCLUSIONS The extent of collateral development associated with direct or indirect bypass was found to differ between the genotypes of the RNF213 c.14576G>A associated with pediatric MMD. This genetic variant correlates with the development of the disease and affects revascularization after bypass surgery in pediatric patients with MMD.
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Affiliation(s)
- Masahito Kawabori
- Department of Neurosurgery, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masaki Ito
- Department of Neurosurgery, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Ken Kazumata
- Department of Neurosurgery, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kikutaro Tokairin
- Department of Neurosurgery, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kanako C. Hatanaka
- Clinical Biobank, Clinical Research and Medical Innovation Center, Hokkaido University Hospital, Sapporo, Japan
| | - Susumu Ishikawa
- Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan
| | - Kiyohiro Houkin
- Department of Neurosurgery, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Miki Fujimura
- Department of Neurosurgery, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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20
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Nguyen VN, Parikh KA, Motiwala M, Erin Miller L, Barats M, Milton C, Khan NR. Surgical techniques and indications for treatment of adult moyamoya disease. Front Surg 2022; 9:966430. [PMID: 36061058 PMCID: PMC9437590 DOI: 10.3389/fsurg.2022.966430] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 07/29/2022] [Indexed: 11/17/2022] Open
Abstract
Moyamoya disease (MMD) is a chronic, progressive cerebrovascular disease involving the occlusion or stenosis of the terminal portion of the internal carotid artery (ICA) and the proximal anterior and middle cerebral arteries. Adults with MMD have been shown to progressively accumulate neurological and cognitive deficits without treatment, with a mortality rate double that of pediatric patients with MMD. Surgical intervention is the mainstay of treatment to prevent disease progression and improve clinical outcomes. Several different types of bypasses can be utilized for revascularization in MMD, including indirect, direct, and combined forms of extracranial-to-intracranial (EC-IC) bypass. Overall, the choice of appropriate technique requires consideration of the age of the patient, preoperative hemodynamics, neurologic status, and territories most at risk and in need of revascularization. Here, we will review the indications and surgical techniques for the treatment of adult MMD. Step-by-step instructions for performing several bypass variants with technical pearls are discussed.
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Affiliation(s)
- Vincent N. Nguyen
- Department of Neurological Surgery, University of Tennessee College of Medicine, Memphis, TN, United States
| | - Kara A. Parikh
- Department of Neurological Surgery, University of Tennessee College of Medicine, Memphis, TN, United States
| | - Mustafa Motiwala
- Department of Neurological Surgery, University of Tennessee College of Medicine, Memphis, TN, United States
| | - L. Erin Miller
- Department of Neurological Surgery, University of Tennessee College of Medicine, Memphis, TN, United States
| | - Michael Barats
- Department of Neurological Surgery, University of Tennessee College of Medicine, Memphis, TN, United States
| | - Camille Milton
- Department of Neurological Surgery, University of Tennessee College of Medicine, Memphis, TN, United States
| | - Nickalus R. Khan
- Department of Neurological Surgery, University of Tennessee College of Medicine, Memphis, TN, United States
- Department of Neurosurgery, Semmes-Murphey Neurologic and Spine Institute, Memphis, TN, United States
- Correspondence: Nickalus Khan
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21
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Kamisaka K, Yamamoto S, Shiro T, Hori E, Kashiwazaki D, Akioka N, Kuroda S. Pediatric moyamoya disease associated with ipsilateral internal carotid artery agenesis: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2022. [PMCID: PMC9379728 DOI: 10.3171/case22119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Although most cases of internal carotid artery (ICA) agenesis are clinically silent due to a well-developed collateral pathway, some cases may develop ischemic symptoms when they are associated with other occlusive cerebrovascular disorders. The authors describe herein the first case with ICA agenesis that developed ischemic attack because of coincidence with moyamoya disease. OBSERVATIONS A 3-year-old girl was admitted to the authors’ hospital due to sudden onset of right arm weakness followed by clonic convulsion. Skull computed tomography could not identify the carotid canal on the left side. Simultaneously, magnetic resonance (MR) imaging and MR angiography demonstrated the luminal stenosis and outer diameter reduction of the carotid fork and posterior cerebral artery on the left side. She was diagnosed with unilateral moyamoya disease associated with ipsilateral ICA agenesis. She successfully underwent combined bypass surgery on the left side and has been free from any cerebrovascular events during a follow-up period of 6 months. LESSONS When patients with ICA agenesis develop ischemic symptoms, careful investigation of the cause and appropriate care, including surgical treatment, are required.
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Affiliation(s)
- Kokoro Kamisaka
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Science, University of Toyama, Toyama, Japan
| | - Shusuke Yamamoto
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Science, University of Toyama, Toyama, Japan
| | - Taisuke Shiro
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Science, University of Toyama, Toyama, Japan
| | - Emiko Hori
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Science, University of Toyama, Toyama, Japan
| | - Daina Kashiwazaki
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Science, University of Toyama, Toyama, Japan
| | - Naoki Akioka
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Science, University of Toyama, Toyama, Japan
| | - Satoshi Kuroda
- Department of Neurosurgery, Graduate School of Medicine and Pharmaceutical Science, University of Toyama, Toyama, Japan
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22
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Araki Y, Mamiya T, Fujita N, Yokoyama K, Uda K, Kanamori F, Takayanagi K, Ishii K, Nishihori M, Takeuchi K, Tanahashi K, Nagata Y, Nishimura Y, Tanei T, Muraoka S, Izumi T, Kato K, Saito R. Symptomatic hyperperfusion after combined revascularization surgery in patients with pediatric moyamoya disease: patient series. JOURNAL OF NEUROSURGERY: CASE LESSONS 2022. [PMCID: PMC9379730 DOI: 10.3171/case2274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Symptomatic hyperperfusion after cerebral revascularization for pediatric moyamoya disease (MMD) is a rare phenomenon. The authors report a series of patients with this condition. OBSERVATIONS In all three patients in this case series, the combined revascularization was on the left side, the patency of bypass grafts was confirmed after surgery, and focal hyperemia around the anastomotic site was observed on single photon emission computed tomography (SPECT). On the first to eighth days after surgery, all of the patients developed neurological manifestations, including motor aphasia, cheiro-oral syndrome, motor weakness of their right upper limbs, and severe headaches. These symptoms disappeared completely approximately 2 weeks after surgery, and all patients were discharged from the hospital. Quantitative SPECT was performed to determine the proportional change in cerebral blood flow (ΔRCBF) (to ipsilateral cerebellar ratio (denoted ΔRCBF) in the region of interest around the anastomoses, and the mean value was 1.34 (range, 1.29–1.41). LESSONS This rare condition, which develops soon after surgery, requires an accurate diagnosis by SPECT. One indicator is that the ΔRCBF has risen to 1.3 or higher. Subsequently, strategic blood pressure treatment and fluid management could prevent the development of hemorrhagic stroke.
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Affiliation(s)
- Yoshio Araki
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Takashi Mamiya
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Naotoshi Fujita
- Department of Radiological Technology, Nagoya University Hospital, Aichi, Japan
| | - Kinya Yokoyama
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kenji Uda
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Fumiaki Kanamori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kai Takayanagi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kazuki Ishii
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Masahiro Nishihori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kazuhito Takeuchi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kuniaki Tanahashi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Yuichi Nagata
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Yusuke Nishimura
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Takafumi Tanei
- Department of Neurosurgery, Komaki City Hospital, Komaki, Aichi, Japan
| | - Shinsuke Muraoka
- Department of Neurosurgery, Tosei General Hospital, Seto, Aichi, Japan; and
| | - Takashi Izumi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Katsuhiko Kato
- Functional Medical Imaging, Biomedical Imaging Sciences, Division of Advanced Information Health Sciences, Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Ryuta Saito
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
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23
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Kanamori F, Araki Y, Yokoyama K, Uda K, Mamiya T, Nohira S, Takayanagi K, Ishii K, Nishihori M, Izumi T, Saito R. Angiographic characteristics of improper watershed shift after STA-MCA bypass in a patient with moyamoya disease: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2022; 3:CASE22104. [PMID: 36303494 PMCID: PMC9379717 DOI: 10.3171/case22104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 03/08/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND In patients with moyamoya disease (MMD) who receive superficial temporal artery (STA) to middle cerebral artery (MCA) bypass, hypoperfusion remote from the anastomosis site rarely occurs. Watershed shift due to direct bypass has been proposed as the mechanism; however, no report has confirmed this phenomenon using angiography. OBSERVATIONS A 48-year-old man presented with transient weakness in his left arm. Angiography revealed severe bilateral stenosis of the MCAs and moyamoya vessels. The right anterior cerebral artery (ACA) had short stenosis at A2 but ample blood supply to the cortical area of the right ACA and MCA regions. The patient was diagnosed with MMD and received a single STA-MCA bypass. The next day, he had difficulty communicating, and a cerebral infarction away from the anastomosis site was identified. Perfusion examination revealed hyperperfusion around the direct bypass and hypoperfusion away from the anastomosis site. Angiography revealed bypass patency; however, the original anterograde flow of the right ACA decreased significantly at the stenosed point, indicating an improper watershed shift. LESSONS STA-MCA bypass for patients with MMD can cause an improper watershed shift decreasing cerebral flow. Donor flow should be prepared based on each angiographic characteristic, and the risk of the improper watershed shift should be considered.
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Affiliation(s)
- Fumiaki Kanamori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Yoshio Araki
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kinya Yokoyama
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kenji Uda
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Takashi Mamiya
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Shota Nohira
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kai Takayanagi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kazuki Ishii
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Masahiro Nishihori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Takashi Izumi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Ryuta Saito
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
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24
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Changes in cerebral blood flow in the postoperative chronic phase after combined cerebral revascularization for moyamoya disease with ischaemic onset. Neurosurg Rev 2022; 45:2471-2480. [PMID: 35319072 DOI: 10.1007/s10143-022-01774-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/09/2022] [Accepted: 03/16/2022] [Indexed: 10/18/2022]
Abstract
The purpose of this study was to examine the effects of combined revascularization for ischaemic-onset moyamoya disease (MMD) on cerebral haemodynamics by comparing cerebral blood flow (CBF) during the postoperative chronic phase with preoperative CBF. A retrospective cohort of 24 MMD patients (representing 31 surgeries) who received single photon emission computed tomography (SPECT) before and more than 6 months after surgery was investigated. The CBF value of each vascular territory was extracted from SPECT data, and the value relative to the ipsilateral cerebellar value (relative CBF, or RCBF) was calculated. The correlation between the revascularization effect and the proportional change in RCBF before and after surgery (calculated as post-RCBF/pre-RCBF ("post/pre-RCBF")) was analysed. Furthermore, the relationships between changes in neurological symptoms and post/pre-RCBF were investigated. Preoperative and postoperative mean RCBF values were 0.92 ± 0.15 and 0.96 ± 0.13 (p = 0.619) in the anterior cerebral artery territory, 0.99 ± 0.17 and 1.01 ± 0.17 (p = 0.598) in the middle cerebral artery territory and 1.15 ± 0.22 and 1.14 ± 0.19 (p = 0.062) in the posterior cerebral artery territory, respectively. No significant correlation was found between the revascularization score and post/pre-RCBF. The revascularization score and post/pre-RCBF were not significant predictors of worsening neurological symptoms postoperatively. No significant change in RCBF was observed in any vascular territory in the chronic phase after revascularization. Combined revascularization may assist in the redirection of blood flow from the internal to the external carotid system and contribute to CBF maintenance.
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25
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Araki Y, Yokoyama K, Uda K, Kanamori F, Mamiya T, Takayanagi K, Ishii K, Nishihori M, Takeuchi K, Tanahashi K, Nagata Y, Tanei T, Nishimura Y, Izumi T, Saito R. Spatially separate cerebral infarction in the posterior cerebral artery territory after combined revascularization of the middle cerebral artery territory in an adult patient with moyamoya disease and fetal-type posterior communicating artery: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2022; 3:CASE21704. [PMID: 36273866 PMCID: PMC9379675 DOI: 10.3171/case21704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 02/02/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND Remote cerebral infarction after combined revascularization of the middle cerebral artery (MCA) territory is rare in patients with moyamoya disease (MMD) with a fetal-type posterior communicating artery (PCoA). OBSERVATIONS A 57-year-old woman developed numbness in her right upper limb and transient motor weakness and was diagnosed with MMD. She also had a headache attack and a scintillating scotoma in the right visual field. Preoperative magnetic resonance angiography (MRA) showed stenosis of the left posterior cerebral artery (PCA). Combined revascularization was performed for the left MCA territory. No new neurological deficits were observed for 2 days after the operation, but right hemianopia, alexia, and agraphia appeared on postoperative day (POD) 4. Magnetic resonance imaging showed a new left occipitoparietal lobe infarction, and MRA showed occlusion of the distal left PCA. After that point, the alexia and agraphia gradually improved, but right hemianopia remained at the time of discharge on POD 18. LESSONS Cerebral ischemia in the PCA territory may occur after combined revascularization of the MCA territory in patients with fetal-type PCoA. For these cases, a double-barrel bypass or indirect revascularization to induce a slow conversion could be considered on its own as a treatment option.
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Affiliation(s)
- Yoshio Araki
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Kinya Yokoyama
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Kenji Uda
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Fumiaki Kanamori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Takashi Mamiya
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Kai Takayanagi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Kazuki Ishii
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Masahiro Nishihori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Kazuhito Takeuchi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Kuniaki Tanahashi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Yuichi Nagata
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Takafumi Tanei
- Department of Neurosurgery, Komaki City Hospital, Aichi, Japan
| | - Yusuke Nishimura
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Takashi Izumi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
| | - Ryuta Saito
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan; and
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26
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Impact of RNF213 founder polymorphism (p.R4810K) on the postoperative development of indirect pial synangiosis after direct/indirect combined revascularization surgery for adult Moyamoya disease. Neurosurg Rev 2022; 45:2305-2313. [DOI: 10.1007/s10143-022-01749-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/07/2021] [Accepted: 01/30/2022] [Indexed: 10/19/2022]
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27
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Araki Y, Yokoyama K, Uda K, Kanamori F, Kurimoto M, Shiba Y, Mamiya T, Takayanagi K, Ishii K, Nishihori M, Takeuchi K, Tanahashi K, Nagata Y, Nishimura Y, Okamoto S, Sumitomo M, Izumi T, Saito R. Paradoxical symptomatic cerebral blood flow decreases after combined revascularization surgery for patients with pediatric moyamoya disease: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2022; 3:CASE21628. [PMID: 36130575 PMCID: PMC9379648 DOI: 10.3171/case21628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 11/29/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND Transient neurological deficits (TNDs) develop after cerebral revascularization in patients with moyamoya disease (MMD). The authors report a rare pediatric MMD case with extensive decreased cerebral blood flow (CBF) and prolonged TNDs after combined revascularization. OBSERVATIONS A 9-year-old boy presented with transient left upper limb weakness, and MMD was diagnosed. A right-sided combined surgery was performed. Two years after the surgery, frequent but transient facial (right-sided) and upper limb weakness appeared. The left internal carotid artery terminal stenosis had progressed. Therefore, a left combined revascularization was performed. The patient’s motor aphasia and right upper limb weakness persisted for approximately 10 days after surgery. Magnetic resonance angiography showed that the direct bypass was patent, but extensive decreases in left CBF were observed using single photon emission tomography. With adequate fluid therapy and blood pressure control, the neurological symptoms eventually disappeared, and CBF improved. LESSONS The environment of cerebral hemodynamics is heterogeneous after cerebral revascularization for MMD, and the exact mechanism of CBF decreases was not identified. TNDs are significantly associated with the onset of stroke during the early postoperative period. Therefore, appropriate treatment is desired after determining complex cerebral hemodynamics using CBF studies.
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Affiliation(s)
- Yoshio Araki
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kinya Yokoyama
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kenji Uda
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Fumiaki Kanamori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Michihiro Kurimoto
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Yoshiki Shiba
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Takashi Mamiya
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kai Takayanagi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kazuki Ishii
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Masahiro Nishihori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kazuhito Takeuchi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kuniaki Tanahashi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Yuichi Nagata
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Yusuke Nishimura
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Sho Okamoto
- Department of Neurosurgery, Aichi Rehabilitation Hospital, Aichi, Japan; and
| | - Masaki Sumitomo
- Department of Neurosurgery, Toyota Kosei Hospital, Aichi, Japan
| | - Takashi Izumi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Ryuta Saito
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
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28
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Araki Y, Uda K, Yokoyama K, Kanamori F, Kurimoto M, Shiba Y, Mamiya T, Nishihori M, Takeuchi K, Tanahashi K, Nagata Y, Nishimura Y, Okamoto S, Sumitomo M, Izumi T, Saito R. Challenging direct bypass surgery for very young children with moyamoya disease: technical notes. Neurosurg Rev 2021; 45:1799-1807. [PMID: 34718925 DOI: 10.1007/s10143-021-01685-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 09/21/2021] [Accepted: 10/26/2021] [Indexed: 11/27/2022]
Abstract
Cerebral revascularization for moyamoya disease (MMD) is an effective treatment for improving cerebral ischaemia and preventing rebleeding. Although direct bypass surgery is commonly performed on older children and adults, it is challenging in very young children due to the high difficulty level of the procedure. The subjects were MMD patients under 3 years of age on whom surgery was performed by a single surgeon (Y.A.). Preoperative clinical findings, information related to direct bypass surgery, bypass patency, and the incidence of postoperative stroke were investigated. Combined revascularization, including direct bypass surgery, was performed on 3 MMD patients (3 sides) under 3 years of age. The average diameter of the grafts used in direct bypass was 0.8 mm. The average recipient diameter was 0.8 ± 0.17 (range 0.6-1) mm. In all cases, the anastomotic procedure was completed using 11-0 monofilament nylon thread, and patency was confirmed. Direct bypass for MMD patients under 3 years old is technically challenging. However, despite the anatomical differences between very young children and elderly individuals, direct bypass surgery could certainly be completed. In addition, a rapid recovery from cerebral blood flow insufficiency could yield a promising neurological outcome.
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Affiliation(s)
- Yoshio Araki
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan.
| | - Kenji Uda
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Kinya Yokoyama
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Fumiaki Kanamori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Michihiro Kurimoto
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Yoshiki Shiba
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Takashi Mamiya
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Masahiro Nishihori
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Kazuhito Takeuchi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Kuniaki Tanahashi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Yuichi Nagata
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Yusuke Nishimura
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Sho Okamoto
- Aichi Rehabilitation Hospital, 1-1 Nishigara, Ehara Town, Nishio City, Aichi, Japan
| | - Masaki Sumitomo
- Department of Neurosurgery, Toyota Kosei Hospital, 500-1 Ibobara, Josui-cho, Toyota City, Aichi, Japan
| | - Takashi Izumi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
| | - Ryuta Saito
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya City, Aichi, Japan
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29
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Koga Y, Kashiwazaki D, Hori E, Akioka N, Kuroda S. Oro-mandibular dystonia in pediatric moyamoya disease: Two cases report. Surg Neurol Int 2021; 12:449. [PMID: 34621564 PMCID: PMC8492408 DOI: 10.25259/sni_661_2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 08/19/2021] [Indexed: 11/17/2022] Open
Abstract
Background: In this report, we describe rare two pediatric cases that developed oro-mandibular dystonia due to moyamoya disease. Case Description: A 7-year-old boy presented with oro-mandibular dystonia and transient weakness of the left extremities, and was diagnosed as moyamoya disease. Another 7-year-old boy developed oro-mandibular dystonia alone and was diagnosed as moyamoya disease. In both, cerebral blood flow (CBF) was markedly decreased in the involved hemispheres, including the basal ganglia and cerebral cortex. They successfully underwent combined bypass surgery and experienced no further attacks of oromandibular dystonia during follow-up periods. CBF almost normalized through surgical collaterals through direct and indirect bypass. Conclusion: When treating patients with oro-mandibular dystonia, moyamoya disease should be listed as one of the differential diseases. The underlying mechanism of oro-mandibular dystonia in moyamoya disease is still unclear, but persistent cerebral ischemia in the basal ganglia and/or parietal lobe may play a key role to induce this rare symptom.
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Affiliation(s)
- Yuichiro Koga
- Department of Neurosurgery, University of Toyama, Toyama, Japan
| | | | - Emiko Hori
- Department of Neurosurgery, University of Toyama, Toyama, Japan
| | - Naoki Akioka
- Department of Neurosurgery, University of Toyama, Toyama, Japan
| | - Satoshi Kuroda
- Department of Neurosurgery, University of Toyama, Toyama, Japan
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30
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Zhang X, Xiao W, Zhang Q, Xia D, Gao P, Su J, Yang H, Gao X, Ni W, Lei Y, Gu Y. Progression in Moyamoya Disease: Clinical Feature, Neuroimaging Evaluation and Treatment. Curr Neuropharmacol 2021; 20:292-308. [PMID: 34279201 PMCID: PMC9413783 DOI: 10.2174/1570159x19666210716114016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/08/2021] [Accepted: 07/09/2021] [Indexed: 11/22/2022] Open
Abstract
Moyamoya disease (MMD) is a chronic cerebrovascular disease characterized by progressive stenosis of the arteries of the circle of Willis, with the formation of collateral vascular network at the base of the brain. Its clinical manifestations are complicated. Numerous studies have attempted to clarify the clinical features of MMD, including its epidemiology, genetic characteristics, and pathophysiology. With the development of neuroimaging techniques, various neuroimaging modalities with different advantages have deepened the understanding of MMD in terms of structural, functional, spatial, and temporal dimensions. At present, the main treatment for MMD focuses on neurological protection, cerebral blood flow reconstruction, and neurological rehabilitation, such as pharmacological treatment, surgical revascularization, and cognitive rehabilitation. In this review, we discuss recent progress in understanding the clinical features, in the neuroimaging evaluation and treatment of MMD.
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Affiliation(s)
- Xin Zhang
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China
| | - Weiping Xiao
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China
| | - Qing Zhang
- Department of Nursing, Huashan Hospital North, Fudan University, China
| | - Ding Xia
- Department of Radiology, Huashan Hospital North, Fudan University, China
| | - Peng Gao
- Department of Radiology, Huashan Hospital North, Fudan University, China
| | - Jiabin Su
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China
| | - Heng Yang
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China
| | - Xinjie Gao
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China
| | - Wei Ni
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China
| | - Yu Lei
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China
| | - Yuxiang Gu
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China
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Srinivasan HL, Hausman-Kedem M, Smith ER, Constantini S, Roth J. Current trends in pediatric moyamoya: a survey of international practitioners. Childs Nerv Syst 2021; 37:2011-2023. [PMID: 33694129 DOI: 10.1007/s00381-021-05074-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 02/04/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Moyamoya angiopathy (MM) is a chronic, progressive steno-occlusive arteriopathy of the distal internal carotid artery and its proximal branches. MM is recognized as a shared end-pathway common to a broad range of inciting pathologies, suggesting that tailored management is important. Pediatric MM differs from MM in adults. Currently, there are many uncertainties and controversies regarding the diagnosis and management of children with MM. Hence, we conducted an international survey to identify the contemporary management trends followed worldwide. METHODS A survey relating to lifestyle modifications, medical management, diagnosis, surgical management, and follow-up for pediatric MM was circulated across web-based platforms, through various international pediatric neurological and neurosurgical societies. Data collected included geographic region of practice, experience, responses to questions, and comments. RESULTS One hundred twenty-seven responses were evaluated (104 neurosurgeons and 23 neurologists, from 32 countries, across 6 continents). We found wide variations in the recommendations for management and lifestyle modification, with significant differences between regions of practice. Eighty percent recommend restrictions on physical activity, particularly for symptomatic and non-operated patients. Eighty-four percent prescribe aspirin. Sixty-five percent perform indirect revascularization. Seventy-eight percent recommend performing a staged surgery for bilateral MM. Only 26% perform acetazolamide challenge SPECT to evaluate brain perfusion. Only 15% of responders were from highly experienced centers. CONCLUSION This survey reflects the contemporary trends in management of pediatric MM, while highlighting the heterogeneity in the management approach of these patients. There is a need for multicenter, international studies to evaluate the safety, efficacy, and long-term outcome of various aspects of treatment of these patients.
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Affiliation(s)
- Harishchandra Lalgudi Srinivasan
- Pediatric Neurosurgery Department, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Moran Hausman-Kedem
- Pediatric Neurology Institute, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Edward R Smith
- Pediatric Cerebrovascular Surgery, Pediatric Neurosurgery, Children's Hospital Boston/Harvard Medical School, Boston, MA, USA
| | - Shlomi Constantini
- Pediatric Neurosurgery Department, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Jonathan Roth
- Pediatric Neurosurgery Department, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel. .,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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Larson AS, Lehman VT, Savastano LE, Lanzino G, Campeau NG, Welker KM, Klaas JP. Implementation and Rationale for a Unified Clinical and Imaging Protocol for Evaluation and Treatment of Moyamoya Angiopathy: A Single Institutional Experience. Front Neurol 2021; 12:662393. [PMID: 34079514 PMCID: PMC8165224 DOI: 10.3389/fneur.2021.662393] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 04/21/2021] [Indexed: 11/13/2022] Open
Abstract
Moyamoya disease (MMD) is a complex and incompletely-understood cerebrovascular pathological entity that requires thorough clinical and imaging evaluation. Moyamoya is rare, thereby making the establishment of an effective, thorough and interdisciplinary patient evaluation protocol challenging, even within specialized referral centers. Nevertheless, implementation of such a protocol is crucial in order to provide the best possible evaluation and treatment for MMD patients. Here, we describe our institution's implementation of, rationale for, and experience with a comprehensive multidisciplinary collaboration and evaluation strategy for adult patients with moyamoya. This evaluation course consists of, first of all, a thorough clinical and laboratory evaluation with a vascular neurologist. This is followed by a comprehensive imaging assessment which evaluates angiographic and parenchymal features, in addition to cerebrovascular functionality. Finally, appropriate referrals are made to consulting services as indicated, which includes vascular neurosurgery. These steps are described in detail herein.
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Affiliation(s)
- Anthony S Larson
- Department of Radiology, Mayo Clinic, Rochester, MN, United States
| | - Vance T Lehman
- Department of Radiology, Mayo Clinic, Rochester, MN, United States
| | - Luis E Savastano
- Department of Neurosurgery, Mayo Clinic, Rochester, MN, United States
| | - Giuseppe Lanzino
- Department of Radiology, Mayo Clinic, Rochester, MN, United States.,Department of Neurosurgery, Mayo Clinic, Rochester, MN, United States
| | | | - Kirk M Welker
- Department of Radiology, Mayo Clinic, Rochester, MN, United States
| | - James P Klaas
- Department of Neurology, Mayo Clinic, Rochester, MN, United States
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Encephaloduroarteriosynangiosis (EDAS) treatment of moyamoya syndrome: evaluation by computed tomography perfusion imaging. Eur Radiol 2021; 31:8364-8373. [PMID: 33956177 DOI: 10.1007/s00330-021-07960-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 03/17/2021] [Accepted: 03/29/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To explore the value of computed tomography perfusion (CTP) imaging for evaluating the efficacy of encephaloduroarteriosynangiosis (EDAS) treatment of moyamoya syndrome (MMS). METHODS Forty-three patients with MMS (48 hemispheres) who received EDAS treatment were examined using CTP and DSA before and after surgery. CTP of the ipsilateral cortex, contralateral mirror area, and pons region were measured, and the relative cerebral blood flow (rCBF) and volume (rCBV), mean transit time (rMTT), and time-to-peak (rTTP) were calculated. Based on postoperative DSA, 48 hemispheres were apportioned to two groups based on rich (grades 2, 3) or poor (grades 0, 1) collateral vessel formation, and the pre- and post-operative differences in perfusion changes were compared. The association between clinical outcome, CTP, and the degree of DSA collateral vessels was explored. RESULTS rCBF and rMTT significantly improved in both the poor and rich collateral vessel formation groups (n = 21 and 27, respectively), while rTTP significantly improved only in the latter. Postoperative CTP improved in the rich and the grade 1 collateral vessel groups (p < 0.01). The clinical improvement was consistent with the improvement of CTP (p = 0.07), but less consistent with the degree of collateral angiogenesis (p = 0.003). CONCLUSION CTP can quantitatively evaluate the improvement of brain tissue perfusion in the operated area after EDAS. Brain tissue perfusion in operated areas improved regardless of postoperative rich or poor collateral vessel formation observed via DSA. A significant improvement in rTTP in the operated area may indicate the formation of abundant collateral vessels. KEY POINTS • CTP showed that brain tissue perfusion in the operated area after EDAS improved regardless of rich or poor collateral vessel formation observed via DSA. • Significant improvement of rTTP in the operated area may indicate the formation of abundant collateral vessels.
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Araki Y, Yokoyama K, Uda K, Kanamori F, Mamiya T, Nishihori M, Sumitomo M, Okamoto S, Izumi T. Ipsilateral late stroke after revascularization surgery for patients with Moyamoya disease. Acta Neurochir (Wien) 2021; 163:1493-1502. [PMID: 33624115 DOI: 10.1007/s00701-021-04773-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/16/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Ipsilateral late stroke events occurring after cerebral revascularization for Moyamoya disease (MMD) and their risk factors have not been fully investigated. METHODS We retrospectively analyzed 123 patients with MMD who underwent 212 revascularizations. We investigated preoperative demographic data, surgical procedures, and ipsilateral stroke events occurring more than 1 month after surgery. The effect of revascularization and the residual Moyamoya vessel (MMV) score were examined using magnetic resonance angiography (MRA). Then, predictive factors for postoperative late stroke occurrence were evaluated by logistic regression. RESULTS The mean age was 26 ± 18.4 years (range 1 to 66 years). Ipsilateral late stroke events were present in 11 of 123 (9%) patients. Stroke occurred in 11 out of 212 surgeries (5.2%) on a hemispheric basis. During the 1300.1 hemisphere-years of follow-up more than 1 month after surgery, the annual stroke rate was 0.84%. The postoperative MRA time-of-flight image showed a mean revascularization score of 1.82 ± 0.6 and a mean residual MMV score of 1.91 ± 0.83. Postoperative strokes occurring within 1 month after cerebral revascularization (36.4%, p = 0.0026) and lower revascularization scores (1.82 ± 0.6 vs 2.51 ± 0.59, p = 0.0006) were significant factors related to the presence of ipsilateral late stroke. Logistic regression showed that stroke events within 1 month after revascularization (odds ratio [OR], 9.79; 95% confidence interval [CI], 0.02-0.57; p = 0.0103), low revascularization score (OR, 0.15; 95% CI, 0.001-0.37; p = 0.0069), and high residual MMV score (OR, 16.2; 95% CI, 1.88-187.4; p = 0.0107) were risk factors for ipsilateral stroke more than 1 month after revascularization. CONCLUSIONS MMD patients who have a stroke within 1 month after cerebral revascularization are at high risk for late strokes. Less effective revascularization or remarkable residual MMV are risk factors for late stroke events. Additional revascularization may be considered for patients in such situations. CLINICAL TRIAL REGISTRATION This study was approved by the Bioethics Review Committee of Nagoya University Hospital for the treatment and prognosis of Moyamoya disease (2016-0327).
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Finkenstaedt S, Guida L, Regli L, Esposito G. Surgical revascularization of frontal areas in pediatric Moyamoya vasculopathy: a systematic review. J Neurosurg Sci 2021; 65:287-304. [PMID: 33870665 DOI: 10.23736/s0390-5616.20.05172-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION The aim of this study is to systematically review the literature on surgical revascularization techniques for flow-augmentation of the frontal areas and/or anterior cerebral artery (ACA) territory in children with Moyamoya vasculopathy (MMV), to elucidate the current surgical practice and describe the outcome associated to the different techniques. EVIDENCE ACQUISITION The systematic review followed the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement. MEDLINE, Web of Science and EMBASE were searched up to April 2020. Published techniques were systematically analyzed according to level of evidence, revascularization technique, opening of the interhemispheric fissure (IF), uni- or bilateral revascularization, clinical, neurocognitive, angiographic, perfusion and hemodynamic outcome. EVIDENCE SYNTHESIS Twenty-five studies were enrolled, including 829 patients: among these, 13 patients underwent direct revascularization of ACA territories, 570 indirect revascularization and 246 patients combined revascularization. One study reached a level of evidence II (grade of recommendation B), 8 studies were level III (grade B) and 16 studies were level IV (grade C). The surgical techniques proposed in the enrolled papers were systematically described. CONCLUSIONS Combined techniques (grade of recommendation B) and indirect techniques (grade of recommendation C) are considered effective for revascularizing the frontal areas and/or anterior cerebral artery (ACA) territory in children with MMV. While performing the revascularization, surgical risks can be reduced by avoiding the exposure of the superior sagittal sinus and opening of IF (recommendation grade C). There is not sufficient evidence to define which type of surgical technique should be preferred. Future studies are needed for a longitudinal assessment of comparable outcomes and to determine which revascularization technique for the frontal areas and/or ACA territory is optimal for this highly specific pediatric population.
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Affiliation(s)
- Sina Finkenstaedt
- Department of Neurosurgery, University Hospital of Zurich, Clinical Neuroscience Center, Zurich, Switzerland.,Department of Neurosurgery, Inselspital University Hospital of Bern, Bern, Switzerland
| | - Lelio Guida
- Department of Neurosurgery, University Hospital of Zurich, Clinical Neuroscience Center, Zurich, Switzerland.,Department of Neurosurgery, University of Milan, Milan, Italy
| | - Luca Regli
- Department of Neurosurgery, University Hospital of Zurich, Clinical Neuroscience Center, Zurich, Switzerland
| | - Giuseppe Esposito
- Department of Neurosurgery, University Hospital of Zurich, Clinical Neuroscience Center, Zurich, Switzerland -
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Saito H, Kashiwazaki D, Uchino H, Yamamoto S, Houkin K, Kuroda S. Specific clinical features and one-stage revascularization surgery for moyamoya disease with severe cerebral ischemia in the territory of posterior cerebral artery. Acta Neurochir (Wien) 2021; 163:583-592. [PMID: 32929541 DOI: 10.1007/s00701-020-04580-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Accepted: 09/07/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND There are no reports describing the surgical procedure for moyamoya disease (MMD) patients with severe cerebral ischemia in the territory of the posterior cerebral artery (PCA) at initial presentation. In this study, therefore, we describe their clinical and radiological features and clinical results of one-stage revascularization surgery for both anterior and posterior circulation. METHODS This study included 6 MMD patients who had severe cerebral ischemia in the PCA territory and underwent one-stage revascularization surgery for both anterior and posterior circulation. Of these, one patient underwent it on both sides. Their clinical and radiological data were precisely analyzed. Compared with usual procedure, craniotomy was extended towards the temporo-parietal area more widely. The parietal branch of superficial temporal artery (STA) was anastomosed to the angular or posterior temporal artery, while the frontal branch was anastomosed to the frontal branch of MCA. Ultimate indirect bypass was added. Their clinical and radiological outcomes were evaluated. RESULTS Their neurological symptoms included visual and speech disturbance as well as numbness of the extremities. Cerebral infarct was distributed in the posterior temporal, parietal, and/or occipital lobe. Cerebral hemodynamics and metabolism were also impaired in the same regions. These findings were completely different from those in MMD patients without PCA lesion. Postoperative course was uneventful, and none of them recurred stroke during a mean follow-up period of 10.5 years. Surgical collaterals widely provided blood flow to the entire hemispheres, including the occipital lobe. Cerebral hemodynamics and metabolism markedly improved after surgery. CONCLUSION One-stage revascularization surgery for both anterior and posterior circulation is feasible and effective to prevent future stroke in MMD patients with severe cerebral ischemia in the PCA territory at initial presentation.
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Ye F, Li J, Wang T, Lan K, Li H, Yin H, Guo T, Zhang X, Yang T, Liang J, Wu X, Li Q, Sheng W. Efficacy and Safety of Antiplatelet Agents for Adult Patients With Ischemic Moyamoya Disease. Front Neurol 2021; 11:608000. [PMID: 33519687 PMCID: PMC7844095 DOI: 10.3389/fneur.2020.608000] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 11/30/2020] [Indexed: 12/20/2022] Open
Abstract
Background: The use of antiplatelet agents in ischemic moyamoya disease (MMD) is controversial. This study aimed to investigate the effectiveness and safety of antiplatelet therapy compared with conservative treatment and surgical revascularization in ischemic MMD patients. Methods: Ischemic MMD patients were retrospectively enrolled from eight clinical sites from January 2013 to December 2018. Follow-up was performed through clinical visits and/or telephone interviews from first discharge to December 2019. The primary outcome was the episodes of further ischemic attacks, and the secondary outcome was the individual functional status. Risk factors for future stroke were identified by the LASSO-Cox regression model. Propensity score matching was applied to assemble a cohort of patients with similar baseline characteristics using the TriMatch package. Results: Among 217 eligible patients, 159 patients were included in the analyses after a 1:1:1 propensity score matching. At a mean follow-up of 33 months, 12 patients (7.5%) developed further incident cerebral ischemic events (surgical:antiplatelet:conservative = 1:3:8; p = 0.030), 26 patients (16.4%) developed a poor functional status (surgical:antiplatelet:conservative = 7:12:7; p = 0.317), and 3 patients (1.8%) died of cerebral hemorrhage (surgical:antiplatelet:conservative = 1:2:0; p = 0.361). The survival curve showed that the risk of further cerebral ischemic attacks was lowest with surgical revascularization, while antiplatelet therapy was statistically significant for preventing recurrent risks compared with conservative treatment (χ2 = 8.987; p = 0.011). No significant difference was found in the functional status and bleeding events. The LASSO-Cox regression model revealed that a family history of MMD (HR = 6.93; 95% CI: 1.28-37.52; p = 0.025), a past history of stroke or transient ischemic attack (HR = 4.35; 95% CI: 1.09-17.33; p = 0.037), and treatment (HR = 0.05; 95% CI: 0.01-0.32; p = 0.001) were significantly related to the risk of recurrent strokes. Conclusions: Antiplatelet agents were effective and safe in preventing further cerebral ischemic attacks in adult patients with ischemic MMD. They may be a replacement therapy for patients with surgical contraindications and for patients prior to revascularization.
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Affiliation(s)
- Fei Ye
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jiaoxing Li
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Tianzhu Wang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,National Health Commission Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Kai Lan
- Department of Anesthesiology, Daping Hospital, Third Military Medical University (Army Medical University), Chongqing, China.,Department of Anesthesiology, Troops 32268 Hospital, Dali, China
| | - Haiyan Li
- Department of Neurology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Haoyuan Yin
- Department of Neurosurgery, The First Affiliated Hospital of Jilin University, Changchun, China
| | - Tongli Guo
- Department of Neurology, The Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Xiong Zhang
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Tingting Yang
- Department of Neurology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jie Liang
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiaoxin Wu
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qi Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,National Health Commission Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wenli Sheng
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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Shulgina AA, Lukshin VA, Korshunov AE, Belousova OB, Pronin IN, Usachev DY. [Modern trends in diagnosis and surgical treatment of moyamoya disease]. ZHURNAL VOPROSY NEIROKHIRURGII IMENI N. N. BURDENKO 2020; 84:90-103. [PMID: 32759932 DOI: 10.17116/neiro20208404190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This review is devoted to moyamoya disease. It is a rare chronic steno-occlusive cerebrovascular disease. However, moyamoya disease is increasingly diagnosed by neurosurgeons in our country. Unlike atherosclerotic lesions of cerebral arteries, pathogenesis and course of this disease are much more complex and variable. Therefore, specialists often have certain difficulties in diagnosis, management and treatment of these patients. To date, a large number of surgical interventions have been proposed for the treatment of moyamoya disease. Revascularization approaches include direct procedures (extra-intracranial microanastomoses), indirect methods (synangioses) and combined revascularization. The purpose of the review is to systematize current literature data on the pathogenesis, diagnosis, clinical patterns and surgical treatment of patients with moyamoya disease. results Outcomes of surgical revascularization and the role of its various components in combined approach are under particular attention.
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Affiliation(s)
| | - V A Lukshin
- Burdenko Neurosurgical Center, Moscow, Russia
| | | | | | - I N Pronin
- Burdenko Neurosurgical Center, Moscow, Russia
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