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Yeh SJ, Tang SC, Tsai LK, Chen TC, Li PL, Chen YF, Kuo MF, Jeng JS. Ultrasonographic Predictors for Post-operative Ischemic Events After Indirect Revascularization Surgeries in Patients with Moyamoya Disease. ULTRASOUND IN MEDICINE & BIOLOGY 2024:S0301-5629(24)00231-X. [PMID: 39098472 DOI: 10.1016/j.ultrasmedbio.2024.05.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 05/23/2024] [Accepted: 05/27/2024] [Indexed: 08/06/2024]
Abstract
OBJECTIVE Recurrent stroke after revascularization surgeries predicts poor outcome in patients with moyamoya disease (MMD). Early identification of patients with stroke risk paves the way for rescue intervention. This study aimed to investigate the role of ultrasound in identifying patients at risk of post-operative ischemic events (PIEs). METHODS This prospective study enrolled patients with symptomatic MMD who underwent indirect revascularization surgeries. Ultrasound examinations were performed preoperatively and at 3 mo post-operatively to evaluate the hemodynamic changes in extracranial and intracranial arteries on the operated side. PIE was defined as ischemic stroke or transient ischemic attack in the operated hemisphere within 1 y. The areas under receiver operating characteristic curves were compared between models for prediction of PIE. RESULTS A total of 56 operated hemispheres from 36 patients (mean age, 23.0 ± 18.5 y) were enrolled in this study, and 27% developed PIE. In multivariate logistic regression models, PIE was associated with lower end-diastolic velocity and flow volume (FV) of the ipsilateral external carotid artery (ECA), and lower FV of ipsilateral superficial temporal artery and occipital artery at 3 mo post-operatively (all p < 0.05). Moreover, the post-operative FV of the ipsilateral ECA was the only one factor that significantly increased the areas under receiver operating characteristic curves from 0.727 to 0.932 when adding to a clinical-angiographic model for prediction of PIE (p = 0.017). This parameter was significantly lower in hemispheres with PIE, both in adult and pediatric patients. CONCLUSION After indirect revascularization, surgeries in patients with symptomatic MMD, FV of ipsilateral ECA at 3 mo helps clinicians to identify patients at risk of PIE.
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Affiliation(s)
- Shin-Joe Yeh
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Sung-Chun Tang
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan.
| | - Li-Kai Tsai
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Tzu-Ching Chen
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Pei-Lin Li
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Ya-Fang Chen
- Department of Medical Imaging, National Taiwan University Hospital, Taipei, Taiwan
| | - Meng-Fai Kuo
- Department of Neurosurgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Jiann-Shing Jeng
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
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Nomura S, Oka F, Fujii N, Nishimoto T, Ishihara H. Outcome prediction of pediatric moyamoya disease using midterm cerebral blood flow measured between staged anastomoses. Childs Nerv Syst 2023; 39:1851-1859. [PMID: 36811729 DOI: 10.1007/s00381-023-05884-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 02/14/2023] [Indexed: 02/24/2023]
Abstract
PURPOSE Cognitive outcomes of pediatric moyamoya disease are variable and difficult to predict on the basis of initial neurological signs and examinations. To determine the best early time point for outcome prediction, we retrospectively analyzed the correlation between cognitive outcomes and the cerebrovascular reserve capacity (CRC) measured before, between, and after staged bilateral anastomoses. METHODS Twenty-two patients aged 4-15 years were included in this study. CRC was measured before the first hemispheric surgery (preoperative CRC), 1 year after the first surgery (midterm CRC), and 1 year after the surgery on the other side (final CRC). The cognitive outcome was the Pediatric Cerebral Performance Category Scale (PCPCS) grade more than 2 years after the final surgery. RESULTS The 17 patients with favorable outcomes (PCPCS grades 1 or 2) showed a preoperative CRC of 4.9% ± 11.2%, which was not better than that of the five patients with unfavorable outcomes (grade 3; 0.3% ± 8.5%, p = 0.5). The 17 patients with favorable outcomes showed a midterm CRC of 23.8% ± 15.3%, which was significantly better than that of the five patients with unfavorable outcomes (-2.5% ± 12.1%, p = 0.004). The difference was much more significant for the final CRC, which was 24.8% ± 13.1% in the patients with favorable outcomes and -11.3% ± 6.7% in those with unfavorable outcomes (p = 0.00004). CONCLUSION Cognitive outcomes were first clearly discriminated by the CRC after the first-side unilateral anastomosis, which is the optimal early timing for the prediction of individual prognosis.
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Affiliation(s)
- Sadahiro Nomura
- Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Yamaguchi, Japan.
| | - Fumiaki Oka
- Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Yamaguchi, Japan
| | - Natsumi Fujii
- Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Yamaguchi, Japan
| | - Takuma Nishimoto
- Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Yamaguchi, Japan
| | - Hideyuki Ishihara
- Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Yamaguchi, Japan
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Lee KS, Zhang JJY, Bhate S, Ganesan V, Thompson D, James G, Silva AHD. Surgical revascularizations for pediatric moyamoya: a systematic review, meta-analysis, and meta-regression analysis. Childs Nerv Syst 2023; 39:1225-1243. [PMID: 36752913 PMCID: PMC10167165 DOI: 10.1007/s00381-023-05868-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 01/28/2023] [Indexed: 02/09/2023]
Abstract
INTRODUCTION There is no clear consensus regarding the technique of surgical revascularization for moyamoya disease and syndrome (MMD/MMS) in the pediatric population. Previous meta-analyses have attempted to address this gap in literature but with methodological limitations that affect the reliability of their pooled estimates. This meta-analysis aimed to report an accurate and transparent comparison between studies of indirect (IB), direct (DB), and combined bypasses (CB) in pediatric patients with MMD/MMS. METHODS In accordance with PRISMA guidelines, systematic searches of Medline, Embase, and Cochrane Central were undertaken from database inception to 7 October 2022. Perioperative adverse events were the primary outcome measure. Secondary outcomes were rates of long-term revascularization, stroke recurrence, morbidity, and mortality. RESULTS Thirty-seven studies reporting 2460 patients and 4432 hemispheres were included in the meta-analysis. The overall pooled mean age was 8.6 years (95% CI: 7.7; 9.5), and 45.0% were male. Pooled proportions of perioperative adverse events were similar between the DB/CB and IB groups except for wound complication which was higher in the former group (RR = 2.54 (95% CI: 1.82; 3.55)). Proportions of post-surgical Matsushima Grade A/B revascularization favored DB/CB over IB (RR = 1.12 (95% CI 1.02; 1.24)). There was no significant difference in stroke recurrence, morbidity, and mortality. After meta-regression analysis, year of publication and age were significant predictors of outcomes. CONCLUSIONS IB, DB/CB are relatively effective and safe revascularization options for pediatric MMD/MMS. Low-quality GRADE evidence suggests that DB/CB was associated with better long-term angiographic revascularization outcomes when compared with IB, although this did not translate to long-term stroke and mortality benefits.
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Affiliation(s)
- Keng Siang Lee
- Department of Neurosurgery, Great Ormond Street Hospital for Children, London, UK.
- Great Ormond Street Institute of Child Health, University College London, London, UK.
- Department of Neurosurgery, King's College Hospital, London, UK.
- Department of Basic and Clinical Neurosciences, Maurice, Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
- Bristol Medical School, University of Bristol, Bristol, UK.
| | - John J Y Zhang
- Department of Neurosurgery, National Neuroscience Institute, Singapore, Singapore
| | - Sanjay Bhate
- Great Ormond Street Institute of Child Health, University College London, London, UK
- Department of Paediatric Neurology, Great Ormond Street Hospital for Children, London, UK
| | - Vijeya Ganesan
- Great Ormond Street Institute of Child Health, University College London, London, UK
- Department of Paediatric Neurology, Great Ormond Street Hospital for Children, London, UK
| | - Dominic Thompson
- Department of Neurosurgery, Great Ormond Street Hospital for Children, London, UK
- Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Greg James
- Department of Neurosurgery, Great Ormond Street Hospital for Children, London, UK
- Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Adikarige Haritha Dulanka Silva
- Department of Neurosurgery, Great Ormond Street Hospital for Children, London, UK
- Great Ormond Street Institute of Child Health, University College London, London, UK
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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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Increase of Circulating Endothelial Progenitor Cells and Released Angiogenic Factors in Children with Moyamoya Arteriopathy. Int J Mol Sci 2023; 24:ijms24021233. [PMID: 36674749 PMCID: PMC9865311 DOI: 10.3390/ijms24021233] [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: 11/29/2022] [Revised: 12/21/2022] [Accepted: 01/03/2023] [Indexed: 01/11/2023] Open
Abstract
Moyamoya arteriopathy (MMA) is a rare cerebrovascular disorder that causes recurrent ischemic and hemorrhagic strokes, leading young patients to severe neurological deficits. The pathogenesis of MMA is still unknown. The disease onset in a wide number of pediatric cases raises the question of the role of genetic factors in the disease's pathogenesis. In these patients, MMA's clinical course, or progression, is largely unclear. By performing a comprehensive molecular and cellular profile in the plasma and CSF, respectively, of MMA pediatric patients, our study is aimed at assessing the levels of circulating endothelial progenitor cells (cEPC) and the release of selected proteins at an early disease stage to clarify MMA pathogenesis and progression. We employed cytofluorimetric methods and immunoassays in pediatric MMA patients and matched control subjects by age and sex. We detected increased levels of cEPC in peripheral blood and an upregulation of angiogenic markers in CSF (i.e., angiopoietin-2 and VEGF-A). This finding is probably associated with deregulated angiogenesis, as stated by the moderate severity of collateral vessel network development (Suzuki III-IV). The absence of significant modulation of neurofilament light in CSF led us to rule out the presence of substantial neuronal injury in MMA children. Despite the limited cohort of pediatric patients, we found some peculiar cellular and molecular characteristics in their blood and CSF samples. Our findings may be confirmed by wider and perspective studies to identify predictive or prognostic circulating biomarkers and potential therapeutic targets for personalized care of MMA pediatric patients.
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A Retrospective Study on Clinical Features of Childhood Moyamoya Disease. Pediatr Neurol 2023; 138:17-24. [PMID: 36335837 DOI: 10.1016/j.pediatrneurol.2022.08.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 07/16/2022] [Accepted: 08/19/2022] [Indexed: 01/10/2023]
Abstract
BACKGROUND Childhood moyamoya disease (MMD) can lead to progressive and irreversible neurological impairment. Early age at onset is likely associated with a worst prognosis of the disease. The study aims to summarize the clinical characteristics of childhood MMD for supporting the diagnosis and treatment of early MMD. METHODS A retrospective study was conducted on children aged zero to 16 years who were diagnosed with MMD in the Department of Neurology and neurosurgery of our hospital from October 2016 to April 2020. The clinical characteristics of children with MMD were summarized for analysis, and the distribution of sex and initial attack type among different age groups was determined by data comparison. RESULTS The study surveyed 114 children (male to female sex ratio of 1:1.07) with MMD, and 6.1% of them had family history. The mean age of onset was 7.15 ± 3.30 years, and the peak age of onset was five to eight years. The most common initial attack type was transient ischemic attack (TIA) (62 cases, 54.4%) with limb weakness. The incidence of the initial attack type in the three age groups was varied (P < 0.05). The result of overall prognosis was good in 86 cases (89.6%). CONCLUSIONS In this study, MMD cases were mainly ischemic type and TIA was the most common initial attack type. Infant group was more prone to have cerebral infarction, whereas preschool and school-age groups tended to have TIA. The treatments and prognosis of the studied MMD cases were achieved with good outcomes.
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7
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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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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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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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Po' C, Nosadini M, Zedde M, Pascarella R, Mirone G, Cicala D, Rosati A, Cosi A, Toldo I, Colombatti R, Martelli P, Iodice A, Accorsi P, Giordano L, Savasta S, Foiadelli T, Sanfilippo G, Lafe E, Thyrion FZ, Polonara G, Campa S, Raviglione F, Scelsa B, Bova SM, Greco F, Cordelli DM, Cirillo L, Toni F, Baro V, Causin F, Frigo AC, Suppiej A, Sainati L, Azzolina D, Agostini M, Cesaroni E, De Carlo L, Di Rosa G, Esposito G, Grazian L, Morini G, Nicita F, Operto FF, Pruna D, Ragazzi P, Rollo M, Spalice A, Striano P, Skabar A, Lanterna LA, Carai A, Marras CE, Manara R, Sartori S. Pediatric Moyamoya Disease and Syndrome in Italy: A Multicenter Cohort. Front Pediatr 2022; 10:892445. [PMID: 35601411 PMCID: PMC9120837 DOI: 10.3389/fped.2022.892445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 04/05/2022] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Moyamoya is a rare progressive cerebral arteriopathy, occurring as an isolated phenomenon (moyamoya disease, MMD) or associated with other conditions (moyamoya syndrome, MMS), responsible for 6-10% of all childhood strokes and transient ischemic attacks (TIAs). METHODS We conducted a retrospective multicenter study on pediatric-onset MMD/MMS in Italy in order to characterize disease presentation, course, management, neuroradiology, and outcome in a European country. RESULTS A total of 65 patients (34/65 women) with MMD (27/65) or MMS (38/65) were included. About 18% (12/65) of patients were asymptomatic and diagnosed incidentally during investigations performed for an underlying condition (incMMS), whereas 82% (53/65) of patients with MMD or MMS were diagnosed due to the presence of neurological symptoms (symptMMD/MMS). Of these latter, before diagnosis, 66% (43/65) of patients suffered from cerebrovascular events with or without other manifestations (ischemic stroke 42%, 27/65; TIA 32%, 21/65; and no hemorrhagic strokes), 18% (12/65) of them reported headache (in 4/12 headache was not associated with any other manifestation), and 26% (17/65) of them experienced multiple phenotypes (≥2 among: stroke/TIA/seizures/headache/others). Neuroradiology disclosed ≥1 ischemic lesion in 67% (39/58) of patients and posterior circulation involvement in 51% (30/58) of them. About 73% (47/64) of patients underwent surgery, and 69% (45/65) of them received aspirin, but after diagnosis, further stroke events occurred in 20% (12/61) of them, including operated patients (11%, 5/47). Between symptom onset and last follow-up, the overall patient/year incidence of stroke was 10.26% (IC 95% 7.58-13.88%). At last follow-up (median 4 years after diagnosis, range 0.5-15), 43% (26/61) of patients had motor deficits, 31% (19/61) of them had intellectual disability, 13% (8/61) of them had epilepsy, 11% (7/61) of them had behavioral problems, and 25% (13/52) of them had mRS > 2. The proportion of final mRS > 2 was significantly higher in patients with symptMMD/MMS than in patients with incMMS (p = 0.021). Onset age <4 years and stroke before diagnosis were significantly associated with increased risk of intellectual disability (p = 0.0010 and p = 0.0071, respectively) and mRS > 2 at follow-up (p = 0.0106 and p = 0.0009, respectively). CONCLUSIONS Moyamoya is a severe condition that may affect young children and frequently cause cerebrovascular events throughout the disease course, but may also manifest with multiple and non-cerebrovascular clinical phenotypes including headache (isolated or associated with other manifestations), seizures, and movement disorder. Younger onset age and stroke before diagnosis may associate with increased risk of worse outcome (final mRS > 2).
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Affiliation(s)
- Chiara Po'
- Paediatric Neurology and Neurophysiology Unit, Department of Women's and Children's Health, University Hospital of Padova, Padova, Italy.,Department of Women's and Children's Health, University of Padova, Padova, Italy.,Unit of Pediatrics, AULSS 2 Marca Trevigiana, Ca' Foncello Hospital, Treviso, Italy
| | - Margherita Nosadini
- Paediatric Neurology and Neurophysiology Unit, Department of Women's and Children's Health, University Hospital of Padova, Padova, Italy.,Neuroimmunology Group, Paediatric Research Institute "Città della Speranza", Padova, Italy
| | - Marialuisa Zedde
- Neurology Unit, Stroke Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Rosario Pascarella
- Neuroradiology Unit, Arcispedale S. Maria Nuova AUSL Reggio Emilia - IRCCS, Reggio Emilia, Italy
| | - Giuseppe Mirone
- Pediatric Neurosurgery Unit, Department of Neuroscience, Santobono-Pausilipon Children's Hospital, Naples, Italy
| | - Domenico Cicala
- Pediatric Neuroradiology, Department of Neuroscience, Santobono-Pausilipon Children's Hospital, Naples, Italy
| | - Anna Rosati
- Department of Neuroscience, Children's Hospital Anna Meyer, University of Firenze, Firenze, Italy
| | - Alessandra Cosi
- Department of Neuroscience, Children's Hospital Anna Meyer, University of Firenze, Firenze, Italy
| | - Irene Toldo
- Paediatric Neurology and Neurophysiology Unit, Department of Women's and Children's Health, University Hospital of Padova, Padova, Italy
| | - Raffaella Colombatti
- Clinic of Pediatric Hematology Oncology, Department of Women's and Children's Health, University of Padova, Padova, Italy
| | - Paola Martelli
- Child Neurology and Psychiatry Unit, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Alessandro Iodice
- Child Neurology and Psychiatry Unit, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Patrizia Accorsi
- Child Neurology and Psychiatry Unit, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Lucio Giordano
- Child Neurology and Psychiatry Unit, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Salvatore Savasta
- Pediatric Clinic, IRCCS Policlinico San Matteo Foundation, University of Pavia, Pavia, Italy
| | - Thomas Foiadelli
- Pediatric Clinic, IRCCS Policlinico San Matteo Foundation, University of Pavia, Pavia, Italy
| | - Giuseppina Sanfilippo
- Department of Diagnostic and Interventional Radiology and Neuroradiology, IRCCS Policlinico San Matteo, Pavia, Italy
| | - Elvis Lafe
- Department of Diagnostic and Interventional Radiology and Neuroradiology, IRCSS Policlinico San Matteo, Pavia, Italy
| | - Federico Zappoli Thyrion
- Department of Diagnostic and Interventional Radiology and Neuroradiology, IRCSS Policlinico San Matteo, Pavia, Italy
| | - Gabriele Polonara
- Neuroradiology - Department of Odontostomatologic and Specialized Clinical Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Serena Campa
- Neuroradiology Unit, University Hospital "Ospedali Riuniti di Ancona, " Università Politecnica delle Marche, Ancona, Italy
| | | | - Barbara Scelsa
- Department of Pediatric Neurology, Vittore Buzzi Children's Hospital, Milan, Italy
| | - Stefania Maria Bova
- Department of Pediatric Neurology, Vittore Buzzi Children's Hospital, Milan, Italy
| | - Filippo Greco
- Pediatric Clinic, Department of Clinical and Experimental Medicine, University Hospital A.U.O. "Policlinico-San Marco" of Catania, Catania, Italy
| | - Duccio Maria Cordelli
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Neuropsichiatria dell'età Pediatrica, Bologna, Italy.,Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy
| | - Luigi Cirillo
- Neuroradiology Unit, IRCSS "Istituto delle Scienze Neurologiche di Bologna, " Ospedale Bellaria, Bologna, Italy
| | - Francesco Toni
- Neuroradiology Unit, IRCSS "Istituto delle Scienze Neurologiche di Bologna, " Ospedale Bellaria, Bologna, Italy
| | - Valentina Baro
- Academic Neurosurgery, Department of Neurosciences, University of Padova, Padova, Italy
| | - Francesco Causin
- Neuroradiology, Department of Neurological Sciences, University of Padova, Padova, Italy
| | - Anna Chiara Frigo
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic and Vascular Sciences, University of Padova, Padova, Italy
| | - Agnese Suppiej
- Paediatric Neurology and Neurophysiology Unit, Department of Women's and Children's Health, University Hospital of Padova, Padova, Italy.,Pediatric Section, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Laura Sainati
- Clinic of Pediatric Hematology Oncology, Department of Women's and Children's Health, University of Padova, Padova, Italy
| | - Danila Azzolina
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic and Vascular Sciences, University of Padova, Padova, Italy
| | - Manuela Agostini
- Department of Pediatrics, Regina Margherita Children's Hospital, Torino, Italy
| | - Elisabetta Cesaroni
- Department of Child Neuropsychiatry, University Hospital Ospedali Riuniti, Ancona, Italy
| | - Luigi De Carlo
- Pediatric Section, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Gabriella Di Rosa
- Unit of Child Neurology and Psychiatry, Department of Human Pathology of the Adult and Developmental Age, Messina, Italy
| | - Giacomo Esposito
- Pediatric Neurosurgery Unit, Department of Neuroscience and Neurorehabilitation, Bambino Gesù Children's Hospital, Roma, Italy
| | - Luisa Grazian
- Unit of Pediatrics, AULSS 2 Marca Trevigiana, Ca' Foncello Hospital, Treviso, Italy
| | - Giovanna Morini
- Department of Pediatrics, Institute for Maternal and Child Health - IRCCS "Burlo Garofolo", Trieste, Italy
| | - Francesco Nicita
- Unit of Neuromuscular and Neurodegenerative Disorders, Department of Neurosciences, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.,Child Neurology Division, Department of Pediatrics, Sapienza University, Rome, Italy
| | - Francesca Felicia Operto
- Child and Adolescent Unit, Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Dario Pruna
- Neurology and Epileptology Unit, Department of Pediatric, ARNAS Brotzu, Cagliari, Italy
| | - Paola Ragazzi
- Department of Neurosurgery, "Regina Margherita" Children's Hospital, Torino, Italy
| | - Massimo Rollo
- Interventional Radiology Unit, Department of Imaging, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
| | - Alberto Spalice
- Department of Maternal Sciences, Sapienza University, Rome, Italy
| | - Pasquale Striano
- Pediatric Neurology and Muscular Diseases Unit, IRCCS "Istituto Giannina Gaslini", Genova, Italy.,Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Aldo Skabar
- Department of Pediatrics, Institute for Maternal and Child Health - IRCCS "Burlo Garofolo", Trieste, Italy
| | | | - Andrea Carai
- Pediatric Neurosurgery Unit, Department of Neuroscience and Neurorehabilitation, Bambino Gesù Children's Hospital, Roma, Italy
| | - Carlo Efisio Marras
- Pediatric Neurosurgery Unit, Department of Neuroscience and Neurorehabilitation, Bambino Gesù Children's Hospital, Roma, Italy
| | - Renzo Manara
- Neuroradiology Unit, Department of Neurological Sciences, University of Padova, Padova, Italy
| | - Stefano Sartori
- Paediatric Neurology and Neurophysiology Unit, Department of Women's and Children's Health, University Hospital of Padova, Padova, Italy.,Department of Women's and Children's Health, University of Padova, Padova, Italy.,Department of Neuroscience, University of Padova, Padova, Italy.,Neuroimmunology Group, Paediatric Research Institute "Città della Speranza", Padova, Italy
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11
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Kanoke A, Fujimura M, Tashiro R, Ozaki D, Tominaga T. Transient Global Cerebral Hypoperfusion as a Characteristic Cerebral Hemodynamic Pattern in the Acute Stage after Combined Revascularization Surgery for Pediatric Moyamoya Disease: N-Isopropyl-P-[123I] Iodoamphetamine Single-Photon Emission Computed Tomography Study. Cerebrovasc Dis 2021; 51:453-460. [PMID: 34933301 DOI: 10.1159/000520801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/09/2021] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Surgical revascularization prevents cerebral ischemic attack by improving cerebral blood flow (CBF) in both adult and pediatric patients with moyamoya disease (MMD). Uneven hemodynamic changes, including local cerebral hyperperfusion and remote ischemia, can cause delayed intracerebral hemorrhage and perioperative infarctions in adult MMD patients, but the characteristic hemodynamic pattern among pediatric MMD patients after revascularization surgery is poorly understood. METHODS This study included 16 consecutive pediatric MMD patients (age, 6-16 years; mean age, 11.3) undergoing superficial temporal artery-middle cerebral artery anastomosis combined with encephalo-duro-myo-synangiosis on 21 affected hemispheres. Perioperative management was conducted by aspirin administration and strict blood pressure control (110-130 mm Hg). We prospectively performed N-isopropyl-p-[123I] iodoamphetamine single-photon emission computed tomography on postoperative days (POD) 1 and 7 and analyzed the temporal changes in perioperative hemodynamics. RESULTS Four patients (19.0%, 4/21) exhibited immediate CBF improvement from POD 1, which was classified as "immediate redistribution pattern." In contrast, 9 (42.9%, 9/21) demonstrated transient hemispheric global hypoperfusion at POD 1 and subsequent CBF improvement at POD 7, which was defined as "transient hypoperfusion pattern." Although 8 patients, including 4 with "transient hypoperfusion pattern" (44.4, 4/9), developed mild transient neurological deterioration in the acute stage, it resolved in all 21 patients, and there were no permanent neurological deficits. DISCUSSION/CONCLUSIONS This study revealed that the "transient hypoperfusion pattern" after revascularization surgery is relatively common among pediatric MMD patients, and its outcome is favorable under strict perioperative management.
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Affiliation(s)
- Atsushi Kanoke
- Department of Neurosurgery, Kohnan Hospital, Sendai, Japan.,Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Miki Fujimura
- Department of Neurosurgery, Kohnan Hospital, Sendai, Japan.,Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan.,Division of Advanced Cerebrovascular Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Ryosuke Tashiro
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Dan Ozaki
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Teiji Tominaga
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
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12
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Lin K, Sui S, Zhao J, Zhang L, Chen K. A meta-analysis of comparisons of various surgical treatments for moyamoya diseases. Brain Behav 2021; 11:e2356. [PMID: 34520635 PMCID: PMC8553333 DOI: 10.1002/brb3.2356] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 07/20/2021] [Accepted: 08/22/2021] [Indexed: 11/07/2022] Open
Abstract
PURPOSE Ischemia is one of the most familiar complications in the different procedures for moyamoya disease (MMD), but the optimal surgical approaches for MMD remain unknown. We aimed to evaluate the efficiency of various surgical treatments. METHODS A literature search word was performed through four databases such as Cochrane Library, Web of Science, PubMed, and EMBASE for the literature published until May 2021. The I2 statistic was used to assess heterogeneity. A random/fixed-effects model was used to pool. RESULTS There are a total of 18 studies including three surgical treatments such as including indirect, direct, and combined bypass in this study. The result revealed that indirect bypass was related to a higher incidence of recurrence stroke compared to the direct and combined bypass treatment (p = .001). Furthermore, the cases undergoing direct bypass were associated with a better angiographic change than the indirect bypass (OR = 3.254, p = .013). CONCLUSION This meta-analysis demonstrated a positive effect of using the direct and combined bypass to treat MMD compared to indirect bypass due to their lower rates of recurrence stroke.
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Affiliation(s)
- Kai Lin
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, P.R. China
| | - Shaohua Sui
- Department of Emergency, Liaocheng People's Hospital, Liaocheng, P.R. China
| | - Jing Zhao
- Department of Pediatrics, Liaocheng People's Hospital, Liaocheng, P.R. China
| | - Liyong Zhang
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, P.R. China
| | - Kun Chen
- Department of Neurology, Liaocheng People's Hospital, Liaocheng, P.R. China
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13
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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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14
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Zhang A, Brown N, Cheaney B, Campos JK, Chase Ransom R, Hsu FP. Updates in the management of moyamoya disease. INTERDISCIPLINARY NEUROSURGERY 2021. [DOI: 10.1016/j.inat.2020.100976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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15
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Postoperative stroke and neurological outcomes in the early phase after revascularization surgeries for moyamoya disease: an age-stratified comparative analysis. Neurosurg Rev 2021; 44:2785-2795. [PMID: 33415521 DOI: 10.1007/s10143-020-01459-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 11/16/2020] [Accepted: 12/09/2020] [Indexed: 01/09/2023]
Abstract
Stroke and neurological outcomes in the early phase following revascularization for moyamoya disease (MMD) may depend on the patient's age. In this study, an age-stratified comparative analysis was performed to clarify this issue. We reviewed 105 MMD patients who underwent 179 revascularization surgeries. The demographic characteristics were collected in four age groups (≤ 5 and 6-17 years for pediatric patients and 18-49 and ≥ 50 years for adults). Additionally, we assessed the incidence of subsequent stroke and deterioration of modified Rankin Scale (mRS) score. Then, we evaluated predictors of postoperative stroke and mRS deterioration using logistic regression. The mean patient age was 26.2 ± 18.5 years. No significant difference in the incidence of postoperative stroke was observed between age groups; however, the incidence tended to be increased among patients aged ≤ 5 years (17.9%) and patients aged ≥ 50 years (16.7%). Deterioration of mRS scores was significantly associated with ages ≤ 5 years (17.9%) and ≥ 50 years (11.1%). Logistic regression showed that posterior cerebral artery involvement (odds ratio [OR], 4.6) and postoperative transient neurological events (TNEs) (OR, 5.93) were risk factors for postoperative stroke. Age ≤ 5 years (OR, 9.73), postoperative TNEs (OR, 7.38), and postoperative stroke (OR, 49) were identified as predictors of unfavorable neurological outcomes. The novel feature of this comparative analysis by age group is that membership in the early-childhood MMD patient group (under 5 years old) was an independent risk factor for unfavorable short-term neurological outcomes and was mainly associated with the incidence of postoperative severe cerebral infarction.
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16
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Chen Y, Ma L, Lu J, Chen X, Ye X, Zhang D, Zhang Y, Wang R, Zhao Y. Postoperative hemorrhage during the acute phase after direct or combined revascularization for moyamoya disease: risk factors, prognosis, and literature review. J Neurosurg 2020; 133:1450-1459. [PMID: 31628285 DOI: 10.3171/2019.7.jns19885] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 07/26/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Postoperative hemorrhage during the acute phase is rarely observed after revascularization surgery for moyamoya disease (MMD) but can have severe complications. Its risk factors and outcomes are still unclear. The aim of this study was to investigate the predictors of postoperative hemorrhage during the acute phase in MMD and examine the outcomes of the hemorrhage. METHODS The authors reviewed the preoperative clinical characteristics and radiographic features of 465 consecutive MMD cases (518 procedures) that had undergone direct or combined bypass surgery at their institution between 2009 and 2015. Patients with postoperative intracerebral hemorrhage (ICH) or ICH plus intraventricular hemorrhage (IVH) during the acute phase were screened, and then the incidence, location, and risk factors of hemorrhage in these patients were analyzed. Short-term and long-term outcomes (modified Rankin Scale scores) for these patients were also collected. Outcomes were compared between patients with and those without postoperative ICH using propensity score analysis to reduce the between-group differences in baseline characteristics. RESULTS Postoperative hemorrhage occurred in 11 (2.1%; ICH = 9, IVH = 2) of 518 procedures (mean patient age 39.82 ± 8.8 years). Hemorrhage occurred in the first 24 hours after the operation in 8 cases (72.7%). In the ICH group, most of the hemorrhage sites (77.8%) were located beneath the anastomosed area, and the mean hematoma volume was 16.98 ± 22.45 ml (range 3-57 ml). One case from the ICH group required hematoma evacuation. Among the adult patients (463 procedures [89.4%]), preoperative hypertension (p = 0.008), CT perfusion (CTP) stage > III (p = 0.013), and posterior circulation involvement (p = 0.022) were significantly associated with postoperative ICH. No significant differences between the postoperative ICH group and the no-hemorrhage group were detected in terms of postoperative neurofunctional status at discharge (p = 0.569) or at the last follow-up (p = 1.000). Neither was there a significant difference in future stroke risk (p = 0.538) between these two groups. CONCLUSIONS Preoperative hypertension, CTP stage > III, and posterior circulation involvement are independent risk factors for postoperative ICH after direct or combined revascularization for MMD. After appropriate perioperative management, postoperative ICH has no significant correlations with the postoperative short-term and long-term neurofunctional status.
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Affiliation(s)
- Yu Chen
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University
| | - Li Ma
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University
- 3China National Clinical Research Center for Neurological Diseases
- 4Stroke Center, Beijing Institute for Brain Disorders
- 5Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease; and
| | - Junlin Lu
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University
| | - Xiaolin Chen
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University
- 3China National Clinical Research Center for Neurological Diseases
- 4Stroke Center, Beijing Institute for Brain Disorders
- 5Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease; and
| | - Xun Ye
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University
- 2Department of Neurosurgery, Peking University International Hospital, Peking University
- 3China National Clinical Research Center for Neurological Diseases
- 4Stroke Center, Beijing Institute for Brain Disorders
- 5Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease; and
| | - Dong Zhang
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University
- 3China National Clinical Research Center for Neurological Diseases
- 4Stroke Center, Beijing Institute for Brain Disorders
| | - Yan Zhang
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University
- 3China National Clinical Research Center for Neurological Diseases
- 4Stroke Center, Beijing Institute for Brain Disorders
| | - Rong Wang
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University
- 2Department of Neurosurgery, Peking University International Hospital, Peking University
- 3China National Clinical Research Center for Neurological Diseases
- 4Stroke Center, Beijing Institute for Brain Disorders
| | - Yuanli Zhao
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University
- 2Department of Neurosurgery, Peking University International Hospital, Peking University
- 3China National Clinical Research Center for Neurological Diseases
- 4Stroke Center, Beijing Institute for Brain Disorders
- 5Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease; and
- 6Beijing Translational Engineering Center for 3D Printer in Clinical Neuroscience, Beijing, People's Republic of China
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17
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Ravindran K, Wellons JC, Dewan MC. Surgical outcomes for pediatric moyamoya: a systematic review and meta-analysis. J Neurosurg Pediatr 2019; 24:663-672. [PMID: 31518973 DOI: 10.3171/2019.6.peds19241] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 06/13/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The optimal revascularization for pediatric moyamoya for reducing the incidence of future stroke events remains to be determined. METHODS The authors conducted a search of PubMed, MEDLINE, Embase, and Web of Science electronic databases from inception until January 2019. The primary endpoint was the presence of a future ischemic stroke event. Secondary endpoints were angiographic outcomes as measured by postoperative Matsushima grade and clinical symptom persistence. Patients who underwent either direct or combined direct/indirect revascularization were classified into the direct cohort. Data from each study on presence of postoperative stroke events were used to generate standardized mean differences and 95% confidence intervals, which were combined using inverse variance-weighted averages of standardized mean differences in a random effects model. RESULTS Twenty-nine studies met the inclusion criteria for analysis, comprising 2258 patients (1011 males, mean age 8.3 ± 1.8 years) who were followed up clinically for an average of 71.4 ± 51.3 months. One hundred fifty-four patients underwent direct bypass alone, 680 patients underwent either direct or combined direct/indirect revascularization procedures, while 1424 patients underwent indirect bypass alone. The frequencies of future stroke events in patients undergoing direct bypass alone, combined bypass, or indirect bypass alone were 1 per 190.3 patient-years, 1 per 108.9 patient-years, and 1 per 61.1 patient-years, respectively, in each cohort. The estimated stroke rates were 9.0% with indirect revascularization, 4.5% with direct revascularization alone, and 6.0% with combined revascularization. A forest plot did not reveal any significant differences in the incidence of future stroke events or angiographic outcomes following direct-only, combined, or indirect-only revascularization. CONCLUSIONS Direct, indirect, and combined indirect/direct bypass techniques are all effective revascularization options for pediatric moyamoya disease. A relative paucity of granular studies-and inherent surgical selection bias-limits direct comparison between interventions. Suitably designed prospective cohort studies may be useful in identifying patients likely to receive benefit from specific procedures.
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Affiliation(s)
| | - John C Wellons
- 2Division of Pediatric Neurosurgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Michael C Dewan
- 2Division of Pediatric Neurosurgery, Vanderbilt University Medical Center, Nashville, Tennessee
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Harriott A. Idiopathic Non-atherosclerotic Carotid Artery Disease. CURRENT TREATMENT OPTIONS IN CARDIOVASCULAR MEDICINE 2019; 21:64. [DOI: 10.1007/s11936-019-0780-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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19
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Zhao Y, Lu J, Yu S, Li J, Deng X, Zhang Y, Zhang D, Wang R, Wang H, Zhao Y. Comparison of Long-Term Effect Between Direct and Indirect Bypass for Pediatric Ischemic-Type Moyamoya Disease: A Propensity Score-Matched Study. Front Neurol 2019; 10:795. [PMID: 31417483 PMCID: PMC6684789 DOI: 10.3389/fneur.2019.00795] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Accepted: 07/10/2019] [Indexed: 11/13/2022] Open
Abstract
Objectives: This study aimed to compare the postoperative risks and long-term effects between direct bypass surgery (DB) and indirect bypass (IB) surgery for pediatric patients with ischemic-type moyamoya disease (MMD). Method: Pediatric patients (under or equal to 18 years old) who were diagnosed as MMD and given surgical treatments at our center between 2009 and 2015 were retrospectively reviewed from a prospective database. Pediatric hemorrhagic-type MMD patients and those who did not undergo digital subtraction angiography (DSA) were excluded. Patients who underwent DB were matched with patients who underwent IB using 1:1 propensity score matching. Postoperative complications, recurrent ischemic stroke events and modified Rankin Scale (mRS) scores at the last follow-up were compared between the matched pairs. Results: A total of 223 pediatric patients were screened, and 138 patients (DB:34, IB:104) were considered for the propensity score match. Thirty four pairs were obtained. Nine patients had postoperative complications, including 6 (17.6%) in the DB group and 3 (8.8%) in the IB group (P = 0.476). The mean follow-up period was 71.9 ± 22.2 months for the DB group and 60.2 ± 24.3 months for the IB group (P = 0.041). Kaplan-Meier analysis showed a longer stroke-free time in the DB group than in the IB group (P = 0.025). At last follow-up, good neurological status (mRS ≤ 1) was achieved in 32 (94.1%) of the DB group and 34 (100.0%) of the IB group. MRS score at last follow-up were significantly lower than at time of admission (all pts: 1.09 ± 0.45 vs. 0.28 ± 0.51, P < 0.001; DB group: 1.12 ± 0.48 vs. 0.32 ± 0.59, P < 0.001; IB group: 1.06 ± 0.42 vs. 0.24 ± 0.43, P < 0.001). Conclusion: Both techniques were effective in improving the neurological status of pediatric ischemic-type MMD patients, and direct bypass surgery might be more superior in preventing recurrent ischemic strokes in the short-term.
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Affiliation(s)
- Yahui Zhao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Junlin Lu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Shaochen Yu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jiaxi Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiaofeng Deng
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yan Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - Dong Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - Rong Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - Hao Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China
| | - Yuanli Zhao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
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