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Dulamea AO, Lupescu IC. Cerebral cavernous malformations - An overview on genetics, clinical aspects and therapeutic strategies. J Neurol Sci 2024; 461:123044. [PMID: 38749279 DOI: 10.1016/j.jns.2024.123044] [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: 10/16/2023] [Revised: 04/28/2024] [Accepted: 05/08/2024] [Indexed: 06/13/2024]
Abstract
Cerebral cavernous malformations (CCMs) are abnormally packed blood vessels lined with endothelial cells, that do not exhibit intervening tight junctions, lack muscular and elastic layers and are usually surrounded by hemosiderin and gliosis. CCMs may be sporadic or familial autosomal dominant (FCCMs) caused by loss of function mutations in CCM1 (KRIT1), CCM2 (MGC4607), and CCM3 (PDCD10) genes. In the FCCMs, patients have multiple CCMs, different family members are affected, and developmental venous anomalies are absent. CCMs may be asymptomatic or may manifest with focal neurological deficits with or without associated hemorrhage andseizures. Recent studies identify a digenic "triple-hit" mechanism involving the aquisition of three distinct genetic mutations that culminate in phosphatidylinositol-3-kinase (PIK3CA) gain of function, as the basis for rapidly growing and clinically symptomatic CCMs. The pathophysiology of CCMs involves signaling aberrations in the neurovascular unit, including proliferative dysangiogenesis, blood-brain barrier hyperpermeability, inflammation and immune mediated processes, anticoagulant vascular domain, and gut microbiome-driven mechanisms. Clinical trials are investigating potential therapies, magnetic resonance imaging and plasma biomarkers for hemorrhage and CCMs-related epilepsy, as well as different techniques of neuronavigation and neurosonology to guide surgery in order to minimize post-operatory morbidity and mortality. This review addresses the recent data about the natural history, genetics, neuroimaging and therapeutic approaches for CCMs.
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Affiliation(s)
- Adriana Octaviana Dulamea
- Carol Davila University of Medicine and Pharmacy, 37 Dionisie Lupu Street, 020021 Bucharest, Romania; Fundeni Clinical Institute, Department of Neurology, 258 Fundeni Street, 022328 Bucharest, Romania.
| | - Ioan Cristian Lupescu
- Carol Davila University of Medicine and Pharmacy, 37 Dionisie Lupu Street, 020021 Bucharest, Romania; Fundeni Clinical Institute, Department of Neurology, 258 Fundeni Street, 022328 Bucharest, Romania
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2
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Jauhiainen S, Onyeogaziri FC, Lazzaroni F, Conze LL, Laakkonen JP, Laham-Karam N, Laakso A, Niemelä M, Rezai Jahromi B, Magnusson PU. Proteomics on human cerebral cavernous malformations reveals novel biomarkers in neurovascular dysfunction for the disease pathology. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167139. [PMID: 38537685 DOI: 10.1016/j.bbadis.2024.167139] [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: 11/17/2023] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND Cerebral cavernous malformation (CCM) is a disease associated with an elevated risk of focal neurological deficits, seizures, and hemorrhagic stroke. The disease has an inflammatory profile and improved knowledge of CCM pathology mechanisms and exploration of candidate biomarkers will enable new non-invasive treatments. METHODS We analyzed protein signatures in human CCM tissue samples by using a highly specific and sensitive multiplexing technique, proximity extension assay. FINDINGS Data analysis revealed CCM specific proteins involved in endothelial dysfunction/inflammation/activation, leukocyte infiltration/chemotaxis, hemostasis, extracellular matrix dysfunction, astrocyte and microglial cell activation. Biomarker expression profiles matched bleeding status, especially with higher levels of inflammatory markers and activated astrocytes in ruptured than non-ruptured samples, some of these biomarkers are secreted into blood or urine. Furthermore, analysis was also done in a spatially resolving manner by separating the lesion area from the surrounding brain tissue. Our spatial studies revealed that although appearing histologically normal, the CCM border areas were pathological when compared to control brain tissues. Moreover, the functional relevance of CD93, ICAM-1 and MMP9, markers related to endothelial cell activation and extracellular matrix was validated by a murine pre-clinical CCM model. INTERPRETATION Here we present a novel strategy for proteomics analysis on human CCMs, offering a possibility for high-throughput protein screening acquiring data on the local environment in the brain. Our data presented here describe CCM relevant brain proteins and specifically those which are secreted can serve the need of circulating CCM biomarkers to predict cavernoma's risk of bleeding.
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Affiliation(s)
- Suvi Jauhiainen
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden; A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Favour C Onyeogaziri
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Francesca Lazzaroni
- Hematology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Lei Liu Conze
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Johanna P Laakkonen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Nihay Laham-Karam
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Aki Laakso
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Mika Niemelä
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Behnam Rezai Jahromi
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Peetra U Magnusson
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden.
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Ali M, van Etten ES, Akoudad S, Schaafsma JD, Visser MC, Ali M, Cordonnier C, Sandset EC, Klijn CJM, Ruigrok YM, Wermer MJH. Haemorrhagic stroke and brain vascular malformations in women: risk factors and clinical features. Lancet Neurol 2024; 23:625-635. [PMID: 38760100 DOI: 10.1016/s1474-4422(24)00122-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/18/2024] [Accepted: 03/14/2024] [Indexed: 05/19/2024]
Abstract
Haemorrhagic stroke is a severe condition with poor prognosis. Biological sex influences the risk factors, presentations, treatment, and patient outcomes of intracerebral haemorrhage, aneurysmal subarachnoid haemorrhage, and vascular malformations. Women are usually older at onset of intracerebral haemorrhage compared with men but have an increased risk of aneurysmal subarachnoid haemorrhage as they age. Female-specific factors such as pregnancy, eclampsia or pre-eclampsia, postmenopausal status, and hormone therapy influence a woman's long-term risk of haemorrhagic stroke. The presence of intracranial aneurysms, arteriovenous malformations, or cavernous malformations poses unique clinical dilemmas during pregnancy and delivery. In the absence of evidence-based guidelines for managing the low yet uncertain risk of haemorrhagic stroke during pregnancy and delivery in women with vascular malformations, multidisciplinary teams should carefully assess the risks and benefits of delivery methods for these patients. Health-care providers should recognise and address the challenges that women might have to confront when recovering from haemorrhagic stroke.
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Affiliation(s)
- Mariam Ali
- Department of Neurology, Leiden University Medical Centre, Leiden, Netherlands.
| | - Ellis S van Etten
- Department of Neurology, Leiden University Medical Centre, Leiden, Netherlands
| | - Saloua Akoudad
- Department of Neurology, University Medical Centre Groningen, Groningen, Netherlands
| | - Joanna D Schaafsma
- Division of Neurology, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Marieke C Visser
- Department of Neurology, Amsterdam University Medical Centre, Location AMC, Amsterdam, Netherlands
| | - Mahsoem Ali
- Department of Surgery, Amsterdam University Medical Centre, Location VUmc, Amsterdam, Netherlands
| | - Charlotte Cordonnier
- University Lille, Inserm, CHU Lille, UMR-S1172, Lille Neuroscience and Cognition, Lille, France
| | - Else Charlotte Sandset
- Department of Neurology, Stroke Unit, Oslo University Hospital, Oslo, Norway; The Norwegian Air Ambulance Foundation, Oslo, Norway
| | - Catharina J M Klijn
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Ynte M Ruigrok
- Department of Neurology and Neurosurgery, UMC Utrecht Brain Centre, University Medical Centre Utrecht, Utrecht, Netherlands
| | - Marieke J H Wermer
- Department of Neurology, University Medical Centre Groningen, Groningen, Netherlands
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4
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Bosisio L, Cognolato E, Nobile G, Mancardi MM, Nobili L, Pacetti M, Piatelli G, Giacomini T, Calevo MG, Fragola M, Venanzi MS, Consales A. Surgical treatment of cavernous malformation-related epilepsy in children: case series, systematic review, and meta-analysis. Neurosurg Rev 2024; 47:251. [PMID: 38819574 DOI: 10.1007/s10143-024-02491-0] [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: 03/07/2024] [Revised: 05/07/2024] [Accepted: 05/25/2024] [Indexed: 06/01/2024]
Abstract
OBJECTIVE Cerebral cavernous malformations (CCMs) are cerebral vascular lesions that occasionally occur with seizures. We present a retrospective case series from IRCCS Gaslini Children's Hospital, a systematic review, and meta-analysis of the literature with the goal of elucidating the post-surgery seizure outcome in children with CCMs. METHODS a retrospective review of children with cavernous malformation related epilepsy who underwent surgery at Gaslini Children's Hospital from 2005 to 2022 was conducted. We also conducted a comprehensive search on PubMed/MEDLINE and Scopus databases from January 1989 to August 2022. Inclusion criteria were: presence of CCMs-related epilepsy, in under 18 years old subjects with a clear lesion site. Presence of post-surgery seizure outcome and follow-up ≥ 12 months. RESULTS we identified 30 manuscripts and 223 patients with CCMs-related epilepsy, including 17 patients reported in our series. We identified 85.7% Engel class I subjects. The risk of expected neurological deficits was 3.7%; that of unexpected neurological deficits 2.8%. We found no statistically significant correlations between Engel class and the following factors: site of lesion, type of seizure, drug resistance, duration of disease, type of surgery, presence of multiple CCMs. However, we found some interesting trends: longer disease duration and drug resistance seem to be more frequent in subjects in Engel class II, III and IV; multiple cavernomas would not seem to influence seizure outcome. CONCLUSIONS epilepsy surgery in children with CCMs is a safe and successful treatment option. Further studies are necessary to define the impact of clinical features on seizure prognosis.
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Affiliation(s)
- Luca Bosisio
- Child Neuropsychiatry, Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health Department of Neuroscience (DINOGMI), IRCCS Istituto Giannina Gaslini, University of Genoa, Genoa, Italy.
| | - Erica Cognolato
- Child Neuropsychiatry, Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health Department of Neuroscience (DINOGMI), IRCCS Istituto Giannina Gaslini, University of Genoa, Genoa, Italy
| | - Giulia Nobile
- Child Neuropsychiatry Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | | | - Lino Nobili
- Child Neuropsychiatry, Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health Department of Neuroscience (DINOGMI), IRCCS Istituto Giannina Gaslini, University of Genoa, Genoa, Italy
- Child Neuropsychiatry Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Mattia Pacetti
- Pediatric Neurosurgery Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Gianluca Piatelli
- Pediatric Neurosurgery Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Thea Giacomini
- Child Neuropsychiatry Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Maria Grazia Calevo
- Epidemiology and Biostatistics Unit, Scientific Direction, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Martina Fragola
- Epidemiology and Biostatistics Unit, Scientific Direction, IRCCS Istituto Giannina Gaslini, Genoa, Italy
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Meneghelli P, Pasqualin A, Musumeci A, Pinna G, Berti PP, Polizzi GMV, Sinosi FA, Nicolato A, Sala F. Microsurgical removal of supratentorial and cerebellar cavernous malformations: what has changed? A single institution experience. J Clin Neurosci 2024; 123:162-170. [PMID: 38581776 DOI: 10.1016/j.jocn.2024.04.001] [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: 12/21/2023] [Revised: 03/09/2024] [Accepted: 04/02/2024] [Indexed: 04/08/2024]
Abstract
BACKGROUND Features associated with a safe surgical resection of cerebral cavernous malformations (CMs) are still not clear and what is needed to achieve this target has not been defined yet. METHODS Clinical presentation, radiological features and anatomical locations were assessed for patients operated on from January 2008 to January 2018 for supratentorial and cerebellar cavernomas. Supratentorial CMs were divided into 3 subgroups (non-critical vs. superficial critical vs. deep critical). The clinical outcome was assessed through modified Rankin Scale (mRS) and was divided into favorable (mRS 0-1) and unfavorable (mRS ≥ 2). Post-operative epilepsy was classified according to the Maraire Scale. RESULTS A total of 144 were considered eligible for the current study. At 6 months follow-up the clinical outcome was excellent for patients with cerebellar or lobar CMs in non-critical areas (mRS ≤ 1: 91.1 %) and for patients with superficial CMs in critical areas (mRS ≤ 1: 92.3 %). Patients with deep-seated suprantentorial CMs showed a favorable outcome in 76.9 %. As for epilepsy 58.5 % of patients presenting with a history of epilepsy were free from seizures and without therapy (Maraire grade I) at last follow-up (mean 3.9 years) and an additional 41.5 % had complete control of seizures with therapy (Maraire grade II). CONCLUSIONS Surgery is safe in the management of CMs in non-critical but also in critical supratentorial locations, with a caveat for deep structures such as the insula, the basal ganglia and the thalamus/hypothalamus.
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Affiliation(s)
- Pietro Meneghelli
- Institute of Neurosurgery, University and City Hospital, Verona, Italy.
| | - Alberto Pasqualin
- Section of Vascular Neurosurgery, Institute of Neurological Surgery, University and City Hospital, Verona, Italy
| | - Angelo Musumeci
- Institute of Neurosurgery, University and City Hospital, Verona, Italy
| | - Giampietro Pinna
- Institute of Neurosurgery, University and City Hospital, Verona, Italy
| | - Pier Paolo Berti
- Institute of Neurosurgery, University and City Hospital, Verona, Italy
| | | | | | - Antonio Nicolato
- Section of Radiosurgery and Stereotactic Neurosurgery, Institute of Neurosurgery, University and City Hospital, Verona, Italy
| | - Francesco Sala
- Section of Neurosurgery, Department of Neuroscience, Biomedicine and Movement, University of Verona
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Musmar B, Salim H, Abdelgadir J, Spellicy S, Adeeb N, Zomorodi A, Friedman A, Awad I, Jabbour PM, Hasan DM. Antithrombotic Therapy in Cerebral Cavernous Malformations: A Systematic Review, Meta-Analysis, and Network Meta-Analysis. J Am Heart Assoc 2024; 13:e032910. [PMID: 38471833 PMCID: PMC11010038 DOI: 10.1161/jaha.123.032910] [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: 11/14/2023] [Accepted: 01/04/2024] [Indexed: 03/14/2024]
Abstract
BACKGROUND Cerebral cavernous malformations are complex vascular anomalies in the central nervous system associated with a risk of intracranial hemorrhage. Traditional guidelines have been cautious about the use of antithrombotic therapy in this patient group, citing concerns about potential bleeding risk. However, recent research posits that antithrombotic therapy may actually be beneficial. This study aims to clarify the association between antithrombotic therapy, including antiplatelet and anticoagulant medications, and the risk of intracranial hemorrhage in patients with cerebral cavernous malformations. METHODS AND RESULTS A comprehensive literature search was conducted in PubMed, Web of Science, and Scopus databases, following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Nine single-center, nonrandomized cohort studies involving 2709 patients were included. Outcomes were analyzed using random-effects model, and a network meta-analysis was conducted for further insight. Of the 2709 patients studied, 388 were on antithrombotic therapy. Patients on antithrombotic therapy had a lower risk of presenting with intracranial hemorrhage (odds ratio [OR], 0.56 [95% CI, 0.45-0.7]; P<0.0001). In addition, the use of antithrombotic therapy was associated with lower risk of intracranial hemorrhage from a cerebral cavernous malformation on follow-up (OR, 0.21 [95% CI, 0.13-0.35]; P<0.0001). A network meta-analysis revealed a nonsignificant OR of 0.73 (95% CI, 0.23-2.56) when antiplatelet therapy was compared with anticoagulant therapy. CONCLUSIONS Our study explores the potential benefits of antithrombotic therapy in cerebral cavernous malformations. Although the analysis suggests a possible role for antithrombotic agents, it is critical to note that the evidence remains preliminary. Fundamental biases in study design, such as ascertainment and assignment bias, limit the weight of our conclusions. Therefore, our findings should be considered hypothesis-generating and not definitive for clinical practice change.
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Affiliation(s)
- Basel Musmar
- Department of NeurosurgeryDuke University HospitalDurhamNCUSA
| | - Hamza Salim
- Department of NeurosurgeryLouisiana State University HospitalShreveportLAUSA
| | | | | | - Nimer Adeeb
- Department of NeurosurgeryLouisiana State University HospitalShreveportLAUSA
| | - Ali Zomorodi
- Department of NeurosurgeryDuke University HospitalDurhamNCUSA
| | - Allan Friedman
- Department of NeurosurgeryDuke University HospitalDurhamNCUSA
| | - Issam Awad
- Department of NeurosurgeryThe University of Chicago MedicineChicagoILUSA
| | - Pascal M. Jabbour
- Department of NeurosurgeryThomas Jefferson University HospitalPhiladelphiaPAUSA
| | - David M. Hasan
- Department of NeurosurgeryDuke University HospitalDurhamNCUSA
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Flemming KD, Kim H, Hage S, Mandrekar J, Kinkade S, Girard R, Torbey M, Huang J, Huston J, Shu Y, Lanzino G, Selwyn R, Hart B, Mabray M, Feghali J, Sair HI, Narvid J, Lupo JM, Lee J, Stadnik A, Alcazar-Felix RJ, Shenkar R, Lane K, McBee N, Treine K, Ostapkovich N, Wang Y, Thompson R, Koenig JI, Carroll T, Hanley D, Awad I. Trial Readiness of Cavernous Malformations With Symptomatic Hemorrhage, Part I: Event Rates and Clinical Outcome. Stroke 2024; 55:22-30. [PMID: 38134268 PMCID: PMC10752254 DOI: 10.1161/strokeaha.123.044068] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 10/17/2023] [Indexed: 12/24/2023]
Abstract
BACKGROUND Cerebral cavernous malformation with symptomatic hemorrhage (SH) are targets for novel therapies. A multisite trial-readiness project (https://www.clinicaltrials.gov; Unique identifier: NCT03652181) aimed to identify clinical, imaging, and functional changes in these patients. METHODS We enrolled adult cerebral cavernous malformation patients from 5 high-volume centers with SH within the prior year and no planned surgery. In addition to clinical and imaging review, we assessed baseline, 1- and 2-year National Institutes of Health Stroke Scale, modified Rankin Scale, European Quality of Life 5D-3 L, and patient-reported outcome-measurement information system, Version 2.0. SH and asymptomatic change rates were adjudicated. Changes in functional scores were assessed as a marker for hemorrhage. RESULTS One hundred twenty-three, 102, and 69 patients completed baseline, 1- and 2-year clinical assessments, respectively. There were 21 SH during 178.3 patient years of follow-up (11.8% per patient year). At baseline, 62.6% and 95.1% of patients had a modified Rankin Scale score of 1 and National Institutes of Health Stroke Scale score of 0 to 4, respectively, which improved to 75.4% (P=0.03) and 100% (P=0.06) at 2 years. At baseline, 74.8% had at least one abnormal patient-reported outcome-measurement information system, Version 2.0 domain compared with 61.2% at 2 years (P=0.004). The most common abnormal European Quality of Life 5D-3 L domains were pain (48.7%), anxiety (41.5%), and participation in usual activities (41.4%). Patients with prospective SH were more likely than those without SH to display functional decline in sleep, fatigue, and social function patient-reported outcome-measurement information system, Version 2.0 domains at 2 years. Other score changes did not differ significantly between groups at 2 years. The sensitivity of scores as an SH marker remained poor at the time interval assessed. CONCLUSIONS We report SH rate, functional, and patient-reported outcomes in trial-eligible cerebral cavernous malformation with SH patients. Functional outcomes and patient-reported outcomes generally improved over 2 years. No score change was highly sensitive or specific for SH and could not be used as a primary end point in a trial.
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Affiliation(s)
| | - Helen Kim
- Center for Cerebrovascular Research, Department of Anesthesiology and Perioperative Care, University of California San Francisco, San Francisco, California, USA
| | - Stephanie Hage
- Neurovascular Surgery Program, Department of Neurological Surgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA
| | - Jay Mandrekar
- Department of Biostatistics, Mayo Clinic, Rochester, MN USA
| | - Serena Kinkade
- Neurovascular Surgery Program, Department of Neurological Surgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA
| | - Romuald Girard
- Neurovascular Surgery Program, Department of Neurological Surgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA
| | - Michel Torbey
- Department of Neurology, University of New Mexico, Albuquerque, New Mexico, USA
| | - Judy Huang
- Department of Neurosurgery, Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA
| | - John Huston
- Department of Radiology, Mayo Clinic, Rochester, Minnesota, USA
| | - Yunhong Shu
- Department of Radiology, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Reed Selwyn
- Department of Radiology, University of New Mexico, Albuquerque, New Mexico, USA
| | - Blaine Hart
- Department of Radiology, University of New Mexico, Albuquerque, New Mexico, USA
| | - Marc Mabray
- Department of Radiology, University of New Mexico, Albuquerque, New Mexico, USA
| | - James Feghali
- Department of Neurosurgery, Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA
| | - Haris I. Sair
- Department of Radiology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Jared Narvid
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California, USA
| | - Janine M. Lupo
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California, USA
| | - Justine Lee
- Neurovascular Surgery Program, Department of Neurological Surgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA
| | - Agnieszka Stadnik
- Neurovascular Surgery Program, Department of Neurological Surgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA
| | - Roberto J. Alcazar-Felix
- Neurovascular Surgery Program, Department of Neurological Surgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA
| | - Robert Shenkar
- Neurovascular Surgery Program, Department of Neurological Surgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA
| | - Karen Lane
- Brain Injury Outcomes Unit, Department of Neurology, Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA
| | - Nichole McBee
- Brain Injury Outcomes Unit, Department of Neurology, Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA
| | - Kevin Treine
- Brain Injury Outcomes Unit, Department of Neurology, Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA
| | - Noeleen Ostapkovich
- Brain Injury Outcomes Unit, Department of Neurology, Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA
| | - Ying Wang
- Brain Injury Outcomes Unit, Department of Neurology, Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA
| | - Richard Thompson
- Brain Injury Outcomes Unit, Department of Neurology, Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA
| | - James I. Koenig
- National Institute of Neurological Disorders and Stroke, Bethesda, Maryland, USA
| | - Timothy Carroll
- Department of Diagnostic Radiology, The University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA
| | - Daniel Hanley
- Brain Injury Outcomes Unit, Department of Neurology, Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA
| | - Issam Awad
- Neurovascular Surgery Program, Department of Neurological Surgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA
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8
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Padarti A, Amritphale A, Eliyas JK, Rigamonti D, Zhang J. Readmissions in patients with cerebral cavernous malformations: a national readmission database study. J Neurosurg Sci 2023; 67:550-558. [PMID: 34763395 DOI: 10.23736/s0390-5616.21.05605-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Cerebral cavernous malformations (CCMs) are microvascular CNS lesions prone to hemorrhage leading to neurological sequela such as stroke and seizure. A subset of CCM patients have aggressive disease leading to multiple bleeding events, likely resulting multiple hospitalizations. Hospital admission rates are an important metric that has direct financial impact on hospitals and an indicator of overall disease burden. Furthermore, analysis of hospital readmissions can lead to early identification of high-risk patients and provides insight into the pathogenesis of CCM lesions. The purpose of this study is to identify high risk CCM patients with increased all cause readmission and comorbidities associated with increased readmissions. METHODS All US hospital admissions due to CCMs were searched using the 2017 National Readmission Database (NRD). Patients with readmissions within 30 days of discharge from index hospitalization were identified and analyzed, relative to the remaining population. RESULTS Among all patients hospitalized for CCM, 14.9% (13.7-16.2%) required all cause readmission within 30 days. Multivariate logistical regression analysis showed that substance abuse (P=0.003), diabetes (P=0.018), gastrointestinal bleed (P=0.002), renal failure (P=0.027), and coronary artery disease (P=0.010) were predictive of all cause readmissions, while age group 65-74 (P=0.042), private insurance (P<0.001), and treatment at a metropolitan teaching institution (P=0.039) were protective. Approximately half of all readmissions are caused by neurological (33.9%) and infectious (14.6%) etiologies. The 30-day lesion bleeding rate after index hospitalization is 0.8% (0.5-1.2%). CONCLUSIONS All identified comorbidities associated with increased risks of readmission contribute to vascular stress, suggesting its role in lesion pathogenesis. This is the first and only study to analyze readmission metrics for CCMs in order to identify high risk patient factors to date.
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Affiliation(s)
- Akhil Padarti
- Department of Neurology, University of South Alabama, Mobile, AL, USA
| | - Amod Amritphale
- Department of Internal Medicine, University of South Alabama, Mobile, AL, USA
| | - Javed K Eliyas
- Department of Neurosurgery and Radiology, University of New Mexico Health Science, Albuquerque, NM, USA
| | - Daniele Rigamonti
- Department of Neurosurgery, Johns Hopkins Medicine Institutions (JHMI), Baltimore, MD, USA
| | - Jun Zhang
- Departments of Molecular & Translational Medicine (MTM), Texas Tech University Health Science Center El Paso (TTUHSCEP), El Paso, TX, USA -
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9
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Marques LL, Jaeggi C, Branca M, Raabe A, Bervini D, Goldberg J. Bleeding Risk of Cerebral Cavernous Malformations in Patients on Statin and Antiplatelet Medication: A Cohort Study. Neurosurgery 2023; 93:699-705. [PMID: 36999926 DOI: 10.1227/neu.0000000000002480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 02/08/2023] [Indexed: 04/01/2023] Open
Abstract
BACKGROUND Statin medication has been identified as a potential therapeutic target for stabilizing cerebral cavernous malformations (CCMs). Although increasing evidence suggests that antiplatelet medication decreases the risk of CCM hemorrhage, data on statin medication in clinical studies are scarce. OBJECTIVE To assess the risk of symptomatic CCM-related hemorrhage at presentation and during follow-up in patients on statin and antiplatelet medication. METHODS A single-center database containing patients harboring CCMs was retrospectively analyzed over 41 years and interrogated for symptomatic hemorrhage at diagnosis, during follow-up, and statin and antiplatelet medication. RESULTS In total, 212 of 933 CCMs (22.7%), harbored by 688 patients, presented with hemorrhage at diagnosis. Statin medication was not associated with a decreased risk of hemorrhage at diagnosis (odds ratio [OR] 0.63, CI 0.23-1.69, P = .355); antiplatelet medication (OR 0.26, CI 0.08-0.86, P = .028) and combined statin and antiplatelet medication (OR 0.19, CI 0.05-0.66; P = .009) showed a decreased risk. In the antiplatelet-only group, 2 (4.7%) of 43 CCMs developed follow-up hemorrhage during 137.1 lesion-years compared with 67 (9.5%) of 703 CCMs during 3228.1 lesion-years in the nonmedication group. No follow-up hemorrhages occurred in the statin and the combined statin and antiplatelet medication group. Antiplatelet medication was not associated with follow-up hemorrhage (hazard ratio [HR] 0.7, CI 0.16-3.05; P = .634). CONCLUSION Antiplatelet medication alone and its combination with statins were associated with a lower risk of hemorrhage at CCM diagnosis. The risk reduction of combined statin and antiplatelet medication was greater than in patients receiving antiplatelet medication alone, indicating a possible synergistic effect. Antiplatelet medication alone was not associated with follow-up hemorrhage.
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Affiliation(s)
- Luca Lee Marques
- Department of Neurosurgery, Kantonsspital St. Gallen, Sankt Gallen, Switzerland
| | - Christian Jaeggi
- Department of Neurosurgery and Stroke Research Center Bern, Inselspital, Bern University Hospital, University of Bern, Bern , Switzerland
- Department of Internal Medicine, Kantonspital Olten, Olten, Switzerland
| | | | - Andreas Raabe
- Department of Neurosurgery and Stroke Research Center Bern, Inselspital, Bern University Hospital, University of Bern, Bern , Switzerland
| | - David Bervini
- Department of Neurosurgery and Stroke Research Center Bern, Inselspital, Bern University Hospital, University of Bern, Bern , Switzerland
| | - Johannes Goldberg
- Department of Neurosurgery and Stroke Research Center Bern, Inselspital, Bern University Hospital, University of Bern, Bern , Switzerland
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10
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Flemming KD, Lanzino G. Are there differences in clinical presentation, radiologic findings, and outcomes in female patients with cavernous malformation? Acta Neurochir (Wien) 2023:10.1007/s00701-023-05652-0. [PMID: 37306819 DOI: 10.1007/s00701-023-05652-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 05/29/2023] [Indexed: 06/13/2023]
Abstract
BACKGROUND Little data exist regarding sex differences in cavernous malformations (CM) patients. METHODS From an ongoing, prospective registry of consenting adults with CM, we assessed the differences between male and female patients in regard to age at presentation, type of presentation, radiologic characteristics and prospective, symptomatic hemorrhage and or focal neurologic deficit (FND) risk and functional outcome. Cox proportional-hazard ratios and 95% confidence intervals with P values < 0.05 were considered significant in the outcome analysis. Familial form CM female patients were compared to sporadic form. RESULTS As of 1/1/2023, our cohort comprised 386 people (58.0% female) after excluding radiation-induced CM. There were no demographic or clinical presentation differences between male and female patients. Radiological features did not differ between sexes, except that female, sporadic patients were more likely to have an associated developmental venous anomaly (DVA) (43.2% male vs. 56.2% female; p = 0.03). Overall, there was no difference in prospective symptomatic hemorrhage or functional outcome between sexes. Female sex was a predictor of symptomatic hemorrhage or FND in sporadic patients with ruptured CM (39.6% males versus 65.7% females; p = 0.02). The latter was not due to presence or absence of DVA. Familial CM females were more likely to have a spinal cord CM (15.2% familial female vs. 3.9% sporadic female; p = 0.001) and had a longer time to recurrent hemorrhage than sporadic female (2.2 years sporadic vs. 8.2 years familial; p = 0.0006). CONCLUSION Minimal differences in clinical, radiologic, and outcomes were found in male versus female patients and familial versus sporadic females in the overall CM patient group. The finding that sporadic form female patients with history of prior hemorrhage had increased rates of prospective hemorrhage or FND compared to male patients raise the question whether to "lump" or "split" ruptured versus unruptured CM patients when analyzing risk factors for prospective hemorrhage in natural history studies.
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11
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Graffeo CS, Scherschinski L, Benner D, Devia DA, Thomas G, Koester SW, Catapano JS, Winkler EA, Srinivasan VM, Lawton MT. Approach Selection Strategies for Repeat Resection of Brain Cavernous Malformations: Cohort Study. Oper Neurosurg (Hagerstown) 2023; 24:590-601. [PMID: 36867084 DOI: 10.1227/ons.0000000000000668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 12/19/2022] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND Neurosurgical management of cerebral cavernous malformations (CMs) often benefits from using skull base approaches. Although many CMs are cured by resection, residual or recurrent disease may require repeat resection. OBJECTIVE To review approach selection strategies for reoperation of CMs to aid decision-making for repeat procedures. METHODS In this retrospective cohort study, a prospectively maintained single-surgeon registry was queried for patients with CMs who underwent repeat resection from January 1, 1997, to April 30, 2021. RESULTS Of 854 consecutive patients, 68 (8%) underwent 2 operations; 40 had accessible data on both. In most reoperations (33/40 [83%]), the index approach was repeated. In most reoperations using the index approach (29/33 [88%]), that approach was deemed ideal (no equivalent or superior alternative), whereas in some (4/33 [12%]), the alternative approach was deemed unsafe because of conformation of the tract. Among patients with reoperations using an alternative approach (7/40 [18%]), 2 with index transsylvian approaches underwent bifrontal transcallosal approaches, 2 with index presigmoid approaches underwent extended retrosigmoid revisions, and 3 with index supracerebellar-infratentorial approaches underwent alternative supracerebellar-infratentorial trajectory revisions. Among patients with reoperations with an alternative approach considered or selected (11/40 [28%]), 8 of 11 patients had a different surgeon for the index resection than for the repeat resection. The extended retrosigmoid-based approaches were used most often for reoperations. CONCLUSION Repeat resection of recurrent or residual CMs is a challenging neurosurgical niche at the intersection of cerebrovascular and skull base disciplines. Suboptimal index approaches may limit surgical options for repeat resection.
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Affiliation(s)
- Christopher S Graffeo
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA
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12
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Tuleasca C, Peciu-Florianu I, Strachowski O, Derre B, Vannod-Michel Q, Reyns N. How to combine the use of intraoperative magnetic resonance imaging (MRI) and awake craniotomy for microsurgical resection of hemorrhagic cavernous malformation in eloquent area: a case report. J Med Case Rep 2023; 17:160. [PMID: 37041613 PMCID: PMC10091828 DOI: 10.1186/s13256-023-03816-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 02/08/2023] [Indexed: 04/13/2023] Open
Abstract
BACKGROUND Cavernous malformations are clusters of abnormal and hyalinized capillaries without interfering brain tissue. Here, we present a cavernous malformation operated under awake conditions, due to location, in an eloquent area and using intraoperative magnetic resonance imaging due to patient's movement upon the awake phase. CASE PRESENTATION We present the pre-, per-, and postoperative course of an inferior parietal cavernous malformation, located in eloquent area, in a 27-year-old right-handed Caucasian male, presenting with intralesional hemorrhage and epilepsy. Preoperative diffusion tensor imaging has shown the cavernous malformation at the interface between the arcuate fasciculus and the inferior fronto-occipital fasciculus. We describe the microsurgical approach, combining preoperative diffusion tensor imaging, neuronavigation, awake microsurgical resection, and intraoperative magnetic resonance imaging. CONCLUSION Complete microsurgical en bloc resection has been performed and is feasible even in eloquent locations. Intraoperative magnetic resonance imaging was considered an important adjunct, particularly used in this case as the patient moved during the "awake" phase of the surgery and thus neuronavigation was not accurate anymore. Postoperative course was marked by a unique, generalized seizure without any adverse event. Immediate and 3 months postoperative magnetic resonance imaging confirmed the absence of any residue. Pre- and postoperative neuropsychological exams were unremarkable.
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Affiliation(s)
- Constantin Tuleasca
- Neurosurgery and Neurooncology Service Lille, Centre Hospitalier Regional Universitaire de Lille, Roger Salengro Hospital, Lille, France.
- Faculty of Biology and Medicine (FBM), University of Lausanne (UNIL), Lausanne, Switzerland.
- Department of Clinical Neurosciences, Neurosurgery Service and Gamma Knife Center, Lausanne University Hospital (CHUV), Lausanne, Switzerland.
- Signal Processing Laboratory (LTS 5), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
| | - Iulia Peciu-Florianu
- Neurosurgery and Neurooncology Service Lille, Centre Hospitalier Regional Universitaire de Lille, Roger Salengro Hospital, Lille, France
| | - Ondine Strachowski
- Neurosurgery and Neurooncology Service Lille, Centre Hospitalier Regional Universitaire de Lille, Roger Salengro Hospital, Lille, France
| | - Benoit Derre
- Neurosurgery and Neurooncology Service Lille, Centre Hospitalier Regional Universitaire de Lille, Roger Salengro Hospital, Lille, France
| | - Quentin Vannod-Michel
- Neuroradiology Service, Centre Hospitalier Regional Universitaire de Lille, Roger Salengro Hospital, Lille, France
| | - Nicolas Reyns
- Neurosurgery and Neurooncology Service Lille, Centre Hospitalier Regional Universitaire de Lille, Roger Salengro Hospital, Lille, France
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13
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Narita M, Miyairi Y, Motobayashi M, Chiba A, Inaba Y. Incidence of Cerebral Cavernous Malformation-Related Epilepsy in Children: A Single Center Survey. Cureus 2023; 15:e38178. [PMID: 37252508 PMCID: PMC10220326 DOI: 10.7759/cureus.38178] [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] [Accepted: 04/26/2023] [Indexed: 05/31/2023] Open
Abstract
INTRODUCTION Cerebral cavernous malformations (CCMs) are rare developmental cerebrovascular malformations. The risk of epilepsy is high in patients with CCMs, but the incidence of epilepsy has not been reported in a pure pediatric population. We herein present 14 pediatric cases of CCMs, including five with CCM-related epilepsy, and examine the incidence of CCM-related epilepsy in this pediatric population. Methods: Pediatric patients with CCMs who visited our Hospital between November 1, 2001, to September 31, 2020, were retrospectively screened for inclusion, and 14 were enrolled. Results: Fourteen enrolled patients were divided into two groups based on the presence or absence of CCM-related epilepsy. The "CCM-related epilepsy group" (n = 5) consisted of five males with a median age of 4.2 (range: 0.3-8.5) years at the first visit. The "non-epilepsy group" (n = 9) consisted of seven males and two females with a median age of 3.5 (range: 1.3-11.5) years at the first visit. The prevalence of CCM-related epilepsy at the time of the present analysis was 35.7%. Follow-up periods in CCM-related epilepsy and non-epilepsy groups were 19.3 and 24.9 patient-years, respectively: the incidence was 11.3% per patient-years. The frequency of seizures due to intra-CCM hemorrhage as the primary symptom was significantly higher in the CCM-related epilepsy group than in the non-CCM-related epilepsy group (p = 0.01). Other clinical characteristics, i.e., primary symptoms including vomiting/nausea and spastic paralysis, magnetic resonance imaging findings, including the number or maximum diameter of CCMs, cortical involvement, intra-CCM hemorrhage, and infratentorial lesions, surgical resection, and non-epileptic sequelae, such as motor disability and intellectual disability, did not significantly differ between the groups. Discussion: The incidence of CCM-related epilepsy in the present study was 11.3% per patient year, higher than in adults. This discrepancy may be attributed to these studies including both adult and pediatric patients, whereas the present study examined a pure pediatric population. The presence of seizures due to intra-CCM hemorrhage as the initial symptom was a risk factor for CCM-related epilepsy in the present study. To elucidate the pathophysiology of CCM-related epilepsy or the reason for its higher incidence in children than in adults, further analyses of a large number of children with CCM-related epilepsy are warranted.
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Affiliation(s)
- Masahiro Narita
- Pediatric Neurology, Nagano Children's Hospital, Azumino, JPN
| | | | | | - Akihiro Chiba
- Neurosurgery, Nagano Children's Hospital, Azumino, JPN
| | - Yuji Inaba
- Pediatric Neurology, Nagano Children's Hospital, Azumino, JPN
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14
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Agyemang K, Gómez Rodríguez R, Rocha Marussi VH, Marte Arias SA, Feliciano Vilcahuaman Paitań A, Campos Filho JM, Chaddad-Neto F. Case report: Delayed outflow obstruction of a DVA: A rare complication of brainstem cavernoma surgery. Front Neurol 2023; 14:1073366. [PMID: 36998781 PMCID: PMC10044343 DOI: 10.3389/fneur.2023.1073366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 02/03/2023] [Indexed: 03/16/2023] Open
Abstract
IntroductionDevelopmental venous anomalies (DVAs) are considered variants of normal transmedullary veins. Their association with cavernous malformations is reported to increase the risk of hemorrhage. Expert consensus recommends meticulous planning with MR imaging, use of anatomical “safe zones”, intraoperative monitoring of long tracts and cranial nerve nuclei, and preservation of the DVA as key to avoiding complications in brainstem cavernoma microsurgery. Symptomatic outflow restriction of DVA is rare, with the few reported cases in the literature restricted to DVAs in the supratentorial compartment.CaseWe present a case report of the resection of a pontine cavernoma complicated by delayed outflow obstruction of the associated DVA. A female patient in her 20's presented with progressive left-sided hemisensory disturbance and mild hemiparesis. MRI revealed two pontine cavernomas associated with interconnected DVA and hematoma. The symptomatic cavernoma was resected via the infrafacial corridor. Despite the preservation of the DVA, the patient developed delayed deterioration secondary to venous hemorrhagic infarction. We discuss the imaging and surgical anatomy pertinent to brainstem cavernoma surgery, as well as the literature exploring the management of symptomatic infratentorial DVA occlusion.ConclusionDelayed symptomatic pontine venous congestive edema is extremely rare following cavernoma surgery. DVA outflow restriction from a post-operative cavity, intraoperative manipulation, and intrinsic hypercoagulability from COVID-10 infection are potential pathophysiological factors. Improved knowledge of DVAs, brainstem venous anatomy, and “safe entry zones” will further elucidate the etiology of and the efficacious treatment for this complication.
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Affiliation(s)
- Kevin Agyemang
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, São Paulo, Brazil
- Department of Neurosurgery, Beneficência Portuguesa Hospital, São Paulo, Brazil
- School of Medicine, University of Glasgow, Glasgow, United Kingdom
| | | | | | | | | | | | - Feres Chaddad-Neto
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, São Paulo, Brazil
- Department of Neurosurgery, Beneficência Portuguesa Hospital, São Paulo, Brazil
- *Correspondence: Feres Chaddad-Neto
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15
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Kobayashi H, Ogura T, Kowata K, Nakajima M, Ohmori S, Kurita H. Deep Ganglionic Intracerebral Hemorrhage Due to Cavernous Malformation Mimicking Hypertensive Hemorrhage: A Report of Two Cases. Cureus 2023; 15:e36448. [PMID: 37090334 PMCID: PMC10116365 DOI: 10.7759/cureus.36448] [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] [Accepted: 03/20/2023] [Indexed: 04/25/2023] Open
Abstract
Cavernous malformation (CM) is a type of vascular malformation that is an important cause of intracerebral hemorrhage. However, because CM is a low-flow vascular malformation, the occurrence of major hemorrhage is rare. We present two patients with deep ganglionic intracerebral hemorrhage that caused a significant mass effect, mimicking hypertensive hemorrhage. In both cases, we performed evacuation of the hematoma as a lifesaving treatment and made a pathological diagnosis of CM. In conclusion, preoperative diagnosis of CM using any kind of radiological evaluation is difficult, especially in patients with major hemorrhage. The possibility of CM should be remembered in cases with deep ganglionic intracerebral hemorrhage.
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Affiliation(s)
- Hiroki Kobayashi
- Department of Neurosurgery, International Medical Center, Saitama Medical University, Saitama, JPN
| | - Takeshi Ogura
- Department of Neurosurgery, Kurosawa Hospital, Gunma, JPN
| | - Kazuma Kowata
- Department of Neurosurgery, Kurosawa Hospital, Gunma, JPN
| | - Mayu Nakajima
- Department of Neurosurgery, Kurosawa Hospital, Gunma, JPN
| | | | - Hiroki Kurita
- Department of Neurosurgery, International Medical Center, Saitama Medical University, Saitama, JPN
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16
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Gillespie CS, Alnaham KE, Richardson GE, Mustafa MA, Taweel BA, Islim AI, Hannan CJ, Chavredakis E. Predictors of future haemorrhage from cerebral cavernous malformations: a retrospective cohort study. Neurosurg Rev 2023; 46:52. [PMID: 36763222 PMCID: PMC9918566 DOI: 10.1007/s10143-023-01949-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 12/17/2022] [Accepted: 01/20/2023] [Indexed: 02/11/2023]
Abstract
Cerebral cavernous malformations (CCMs) are commonly diagnosed, with a low reported rate of haemorrhage on long-term follow-up. The identification of factors predictive of future haemorrhage risk would assist in guiding the management of patients with CCM. The aim of this study was to identify variables associated with haemorrhage, and calculate haemorrhage risk in CCM. We conducted a retrospective study of patients diagnosed with a CCM, managed at a specialist tertiary neuroscience centre (2007-2019). The primary outcome was symptomatic haemorrhage, and secondary outcomes were variables associated with increased risk of haemorrhage, using multivariable Cox regression analysis. Included were 545 patients, with 734 confirmed cavernomas. Median age at diagnosis was 47 (interquartile range [IQR] 35-60), with a median follow-up duration after diagnosis of 46 months (IQR 19-85). Of the patients, 15.0% had multiple lesions (N = 82/545). Symptomatic presentation was observed in 52.5% of patients (N = 286/545). The annual haemorrhage rate was 1.00% per lesion-year (25 events in 2512 lesion-years), and higher in those with symptoms at presentation (1.50% per lesion-year, 22 events vs 0.29%, 3 events, P < 0.001). The variables associated with symptomatic haemorrhage were increased size (hazard ratio [HR] 1.04, 95% confidence interval [CI] 1.01-1.07, P = 0.004), eloquent location (HR 2.63, 95% CI 1.12-6.16, P = 0.026), and symptomatic haemorrhage at presentation (HR 5.37, 95% CI 2.40-11.99, P < 0.001). This study demonstrated that CCMs have a low haemorrhage rate. Increased size, eloquent location, and haemorrhage at presentation appear to be predictive of a higher risk of haemorrhage, and could be used to stratify management protocols.
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Affiliation(s)
- Conor S Gillespie
- Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Biosciences Building, Crown Street, Liverpool, L69 7BE, UK.
- The Walton Centre NHS Foundation Trust, Liverpool, UK.
| | | | - George E Richardson
- Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Biosciences Building, Crown Street, Liverpool, L69 7BE, UK
- The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - Mohammad A Mustafa
- Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Biosciences Building, Crown Street, Liverpool, L69 7BE, UK
- The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - Basel A Taweel
- Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Biosciences Building, Crown Street, Liverpool, L69 7BE, UK
- The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - Abdurrahman I Islim
- The Walton Centre NHS Foundation Trust, Liverpool, UK
- Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Cathal John Hannan
- The Walton Centre NHS Foundation Trust, Liverpool, UK
- Academic Health Science Centre, University of Manchester, Manchester, UK
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Weinsheimer S, Nelson J, Abla AA, Ko NU, Tsang C, Okoye O, Zabramski JM, Akers A, Zafar A, Mabray MC, Hart BL, Morrison L, McCulloch CE, Kim H. Intracranial Hemorrhage Rate and Lesion Burden in Patients With Familial Cerebral Cavernous Malformation. J Am Heart Assoc 2023; 12:e027572. [PMID: 36695309 PMCID: PMC9973654 DOI: 10.1161/jaha.122.027572] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 12/19/2022] [Indexed: 01/26/2023]
Abstract
Background Familial cerebral cavernous alformation (CCM) is an autosomal dominant disease caused by mutations in KRIT1, CCM2, or PDCD10. Cases typically present with multiple lesions, strong family history, and neurological symptoms, including seizures, headaches, or other deficits. Intracranial hemorrhage (ICH) is a severe manifestation of CCM, which can lead to death or long-term neurological deficits. Few studies have reported ICH rates and risk factors in familial CCM. We report ICH rates and assess whether CCM lesion burden, a disease severity marker, is associated with risk of symptomatic ICH during follow-up in a well-characterized cohort of familial CCM cases. Methods and Results We studied 386 patients with familial CCM with follow-up data enrolled in the Brain Vascular Malformation Consortium CCM Project. We estimated symptomatic ICH rates overall and stratified by history of ICH before enrollment. CCM lesion burden (total lesion count and large lesion size) assessed at baseline enrollment was tested for association with increased risk of subsequent ICH during follow-up using Cox regression models adjusted for history of ICH before enrollment, age, sex, and family structure and stratified on recruitment site. The symptomatic ICH rate for familial CCM cases was 2.8 per 100 patient-years (95% CI, 1.9-4.1). Those with ICH before enrollment had a follow-up ICH rate of 4.5 per 100 patient-years (95% CI, 2.6-8.1) compared with 2.0 per 100 patient-years (95% CI, 1.3-3.5) in those without (P=0.042). Total lesion count was associated with increased risk of ICH during follow-up (hazard ratio [HR], 1.37 per doubling of total lesion count [95% CI, 1.10-1.71], P=0.006). The symptomatic ICH rate for familial CCM cases was 2.8 per 100 patient-years (95% CI, 1.9-4.1). Those with ICH before enrollment had a follow-up ICH rate of 4.5 per 100 patient-years (95% CI, 2.6-8.1) compared with 2.0 per 100 patient-years (95% CI, 1.3-3.5) in those without (P=0.042). Total lesion count was associated with increased risk of ICH during follow-up (hazard ratio [HR], 1.37 per doubling of total lesion count [95% CI, 1.10-1.71], P=0.006). Conclusions Patients with familial CCM with prior history of an ICH event are at higher risk for rehemorrhage during follow-up. In addition, total CCM lesion burden is significantly associated with increased risk of subsequent symptomatic ICH; hence lesion burden may be an important predictor of patient outcome and aid patient risk stratification.
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Affiliation(s)
- Shantel Weinsheimer
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular ResearchUniversity of California San FranciscoCA
- Institute for Human Genetics, University of California San FranciscoCA
| | - Jeffrey Nelson
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular ResearchUniversity of California San FranciscoCA
| | - Adib A. Abla
- Department of Neurological SurgeryUniversity of California San FranciscoCA
| | - Nerissa U. Ko
- Department of NeurologyUniversity of California San FranciscoCA
| | - Cynthia Tsang
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular ResearchUniversity of California San FranciscoCA
| | - Obiora Okoye
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular ResearchUniversity of California San FranciscoCA
- Global Brain Health Institute, University of California San FranciscoCA
| | | | - Amy Akers
- Alliance to Cure Cavernous MalformationCharlottesvilleVA
| | - Atif Zafar
- Department of NeurologyUniversity of New MexicoAlbuquerqueNM
| | - Marc C. Mabray
- Department of RadiologyUniversity of New MexicoAlbuquerqueNM
| | - Blaine L. Hart
- Department of RadiologyUniversity of New MexicoAlbuquerqueNM
| | - Leslie Morrison
- Department of NeurologyUniversity of New MexicoAlbuquerqueNM
| | - Charles E. McCulloch
- Department of Epidemiology and BiostatisticsUniversity of California San FranciscoCA
| | - Helen Kim
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular ResearchUniversity of California San FranciscoCA
- Institute for Human Genetics, University of California San FranciscoCA
- Department of Epidemiology and BiostatisticsUniversity of California San FranciscoCA
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The use of stereotactic MRI-guided laser interstitial thermal therapy for the treatment of pediatric cavernous malformations: the SUNY Upstate Golisano Children's Hospital experience. Childs Nerv Syst 2023; 39:417-424. [PMID: 36416952 DOI: 10.1007/s00381-022-05701-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 10/03/2022] [Indexed: 11/24/2022]
Abstract
PURPOSE Cavernous malformations (CM) are central nervous system lesions characterized by interlaced vascular sinusoids coated with endothelial cells without intervening parenchyma. Magnetic resonance imaging-guided laser interstitial thermal therapy (MRIgLITT) is a minimally invasive treatment modality that can precisely treat pathologic cerebral tissue, making it an effective alternative for the management of cavernomas. We describe the outcomes of a series of pediatric patients with cavernous brain malformations treated with MRIgLITT between 2014 and 2018 at our institution. METHODS We retrospectively analyzed 11 cavernomas in 6 pediatric patients treated with MRIgLITT. Both the Visualase System® and/or Neuroblate® systems were used. A variation of the surgical technique on the application of the laser was developed. Post-ablation MRIs were obtained to assess ablated areas. RESULTS A total of 11 cavernomas in 6 patients were treated with MRIgLITT. Median age was 15 years (12 to 17 years); 75% were males. Presenting symptoms were headache (75%) and seizures (25%). Two patients presented with multiple CMs. All lesions in this study were supratentorial (cerebral hemispheres 81.8%, corpus callosum 9.1%, basal ganglia 9.1%). Our surgical technique was well-tolerated, with no significant adverse events observed. Hospital stay for all patients was less than 48 hours. CONCLUSION MRIgLITT is an effective minimally invasive technique for the treatment of pediatric CMs. It represents a useful and safe tool, when other therapeutic alternatives may represent a greater risk of surgical morbidity.
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Cerebral cavernous malformation: Management, outcomes, and surveillance strategies - A single centre retrospective cohort study. Clin Neurol Neurosurg 2023; 225:107576. [PMID: 36608471 DOI: 10.1016/j.clineuro.2022.107576] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/15/2022] [Accepted: 12/23/2022] [Indexed: 12/27/2022]
Abstract
BACKGROUND Cerebral cavernous malformations (CCM) may undergo a period of clinical and/or radiographical surveillance that precedes or follows definitive treatment. There are no international guidelines on the optimal surveillance strategy. This study describes the surveillance strategies at our centre and explore the related clinical outcomes. METHODS We performed a retrospective study of adult patients with CCMs referred to a neurovascular service over an 8-year period, to determine the frequency and type of surveillance, intervention, and explore the associated outcomes. We report our findings adhering to STROBE guidelines. RESULTS 133 patients (Male:Female 73:60; men age 42 years; range 12-82) were included. CCMs were identified in patients first presenting with symptomatic intracerebral haemorrhage (42.11%); headache, focal neurological deficit, or seizure without haemorrhage (41.35%); or, as an incidental finding (16.54%). The most common CCM location was supratentorial (59.40%), followed by brain stem (21.80%), cerebellum (10.53%) and basal ganglia (6.02%). Of the 133 patients, 77 patients (57.89%) were managed conservatively, 49 patients (36.84%) were managed by surgical resection alone, and seven patients (5.26%) were managed with stereotactic radiosurgery (SRS). Patients follow-up had a mean duration of 65.94 months, and varied widely (SD = 52.59; range 0-265), for a total of 730.83 person-years of follow up. During surveillance, 16 patients suffered an ICH equating to a bleeding rate of 2.19 per 100 patient years. CCMs that increased in size had a higher bleeding rate (p = 8.58 ×10-4). There were 8 (6.02%) cases where routine clinic review or MRI resulted in a change in management. CONCLUSIONS Our single centre retrospective study supports existing literature relating to presentation and sequalae of CCM, with an increase in CCM size being associated with higher rates of detected bleeding. There remains heterogeneity, even within a single centre, on the frequency and modality of surveillance. Further, there are no international guidelines or high-quality data that recommends the optimal duration and frequency of surveillance, and its effect on clinical outcomes. This is a future research direction.
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Chen B, Lahl K, Saban D, Lenkeit A, Rauschenbach L, Santos AN, Li Y, Schmidt B, Zhu Y, Jabbarli R, Wrede KH, Kleinschnitz C, Sure U, Dammann P. Effects of medication intake on the risk of hemorrhage in patients with sporadic cerebral cavernous malformations. Front Neurol 2023; 13:1010170. [PMID: 36686509 PMCID: PMC9847255 DOI: 10.3389/fneur.2022.1010170] [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: 08/02/2022] [Accepted: 11/29/2022] [Indexed: 01/05/2023] Open
Abstract
Objective Recurrent intracerebral hemorrhage (ICH) poses a high risk for patients with cerebral cavernous malformations (CCMs). This study aimed to assess the influence of medication intake on hemorrhage risk in sporadic CCMs. Methods From a database of 1,409 consecutive patients with CCM (2003-2021), subjects with sporadic CCMs and complete magnetic resonance imaging data were included. We evaluated the presence of ICH as a mode of presentation, the occurrence of ICH during follow-up, and medication intake, including beta blockers, statins, antithrombotic therapy, and thyroid hormones. The impact of medication intake on ICH at presentation was calculated using univariate and multivariate logistic regression with age and sex adjustment. The longitudinal cumulative 5-year risk for (re-)hemorrhage was analyzed using the Kaplan-Meier curves and the Cox regression analysis. Results A total of 1116 patients with CCM were included. Logistic regression analysis showed a significant correlation (OR: 0.520, 95% CI: 0.284-0.951, p = 0.034) between antithrombotic therapy and ICH as a mode of presentation. Cox regression analysis revealed no significant correlation between medication intake and occurrence of (re-)hemorrhage (hazard ratios: betablockers 1.270 [95% CI: 0.703-2.293], statins 0.543 [95% CI: 0.194-1.526], antithrombotic therapy 0.507 [95% CI: 0.182-1.410], and thyroid hormones 0.834 [95% CI: 0.378-1.839]). Conclusion In this observational study, antithrombotic treatment was associated with the tendency to a lower rate of ICH as a mode of presentation in a large cohort of patients with sporadic CCM. Intake of beta blockers, statins, and thyroid hormones had no effect on hemorrhage as a mode of presentation. During the 5-year follow-up period, none of the drugs affected the further risk of (re-)hemorrhage.
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Affiliation(s)
- Bixia Chen
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany,*Correspondence: Bixia Chen ✉
| | - Kirstin Lahl
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Dino Saban
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Annika Lenkeit
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Laurèl Rauschenbach
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Alejandro N. Santos
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Yan Li
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Boerge Schmidt
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Yuan Zhu
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Ramazan Jabbarli
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Karsten H. Wrede
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Christoph Kleinschnitz
- Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Ulrich Sure
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Philipp Dammann
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
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21
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Gamma Knife® stereotactic radiosurgery for intracranial cavernous malformations. J Clin Neurosci 2022; 106:96-102. [DOI: 10.1016/j.jocn.2022.10.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 11/11/2022]
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22
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Bauman MMJ, Bocanegra-Becerra JE, Patra DP, Meyer JH, Meyer FB, Sands KA, Bendok BR. Commentary: Precuneal Interhemispheric, Transtentorial Approach to a Dorsal Pontine Cavernous Malformation: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2022; 23:e403-e404. [DOI: 10.1227/ons.0000000000000467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022] Open
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23
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Bianconi A, Salvati LF, Perrelli A, Ferraris C, Massara A, Minardi M, Aruta G, Rosso M, Massa Micon B, Garbossa D, Retta SF. Distant Recurrence of a Cerebral Cavernous Malformation in the Vicinity of a Developmental Venous Anomaly: Case Report of Local Oxy-Inflammatory Events. Int J Mol Sci 2022; 23:ijms232314643. [PMID: 36498972 PMCID: PMC9736411 DOI: 10.3390/ijms232314643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 11/17/2022] [Accepted: 11/18/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Cerebral cavernous malformations (CCMs) are a major type of cerebrovascular lesions of proven genetic origin that occur in either sporadic (sCCM) or familial (fCCM) forms, the latter being inherited as an autosomal dominant condition linked to loss-of-function mutations in three known CCM genes. In contrast to fCCMs, sCCMs are rarely linked to mutations in CCM genes and are instead commonly and peculiarly associated with developmental venous anomalies (DVAs), suggesting distinct origins and common pathogenic mechanisms. CASE REPORT A hemorrhagic sCCM in the right frontal lobe of the brain was surgically excised from a symptomatic 3 year old patient, preserving intact and pervious the associated DVA. MRI follow-up examination performed periodically up to 15 years after neurosurgery intervention demonstrated complete removal of the CCM lesion and no residual or relapse signs. However, 18 years after surgery, the patient experienced acute episodes of paresthesia due to a distant recurrence of a new hemorrhagic CCM lesion located within the same area as the previous one. A new surgical intervention was, therefore, necessary, which was again limited to the CCM without affecting the pre-existing DVA. Subsequent follow-up examination by contrast-enhanced MRI evidenced a persistent pattern of signal-intensity abnormalities in the bed of the DVA, including hyperintense gliotic areas, suggesting chronic inflammatory conditions. CONCLUSIONS This case report highlights the possibility of long-term distant recurrence of hemorrhagic sCCMs associated with a DVA, suggesting that such recurrence is secondary to focal sterile inflammatory conditions generated by the DVA.
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Affiliation(s)
- Andrea Bianconi
- Division of Neurosurgery, Department of Neurosciences “Rita Levi Montalcini”, City of Health and Science and University of Turin, 10124 Torino, Italy
- CCM Italia Research Network, National Coordination Center, Department of Clinical and Biological Sciences, University of Turin, 10124 Orbassano, Italy
- Correspondence: (A.B.); (S.F.R.)
| | | | - Andrea Perrelli
- CCM Italia Research Network, National Coordination Center, Department of Clinical and Biological Sciences, University of Turin, 10124 Orbassano, Italy
- Department of Clinical and Biological Sciences, School of Medicine and Surgery, University of Turin, Regione Gonzole 10, 10124 Orbassano, Italy
- Department of Pharmacology and Physiology, University of Rochester Medical Center, Rochester, NY 14602, USA
| | - Chiara Ferraris
- CCM Italia Research Network, National Coordination Center, Department of Clinical and Biological Sciences, University of Turin, 10124 Orbassano, Italy
- Department of Clinical and Biological Sciences, School of Medicine and Surgery, University of Turin, Regione Gonzole 10, 10124 Orbassano, Italy
| | - Armando Massara
- Division of Neurosurgery, Department of Neurosciences “Rita Levi Montalcini”, City of Health and Science and University of Turin, 10124 Torino, Italy
| | - Massimiliano Minardi
- Division of Neurosurgery, Department of Neurosciences “Rita Levi Montalcini”, City of Health and Science and University of Turin, 10124 Torino, Italy
| | - Gelsomina Aruta
- Division of Neurosurgery, Department of Neurosciences “Rita Levi Montalcini”, City of Health and Science and University of Turin, 10124 Torino, Italy
| | - Miriam Rosso
- Division of Neurosurgery, Department of Neurosciences “Rita Levi Montalcini”, City of Health and Science and University of Turin, 10124 Torino, Italy
| | - Barbara Massa Micon
- Division of Neurosurgery, Department of Neurosciences “Rita Levi Montalcini”, City of Health and Science and University of Turin, 10124 Torino, Italy
| | - Diego Garbossa
- Division of Neurosurgery, Department of Neurosciences “Rita Levi Montalcini”, City of Health and Science and University of Turin, 10124 Torino, Italy
- CCM Italia Research Network, National Coordination Center, Department of Clinical and Biological Sciences, University of Turin, 10124 Orbassano, Italy
| | - Saverio Francesco Retta
- CCM Italia Research Network, National Coordination Center, Department of Clinical and Biological Sciences, University of Turin, 10124 Orbassano, Italy
- Department of Clinical and Biological Sciences, School of Medicine and Surgery, University of Turin, Regione Gonzole 10, 10124 Orbassano, Italy
- Correspondence: (A.B.); (S.F.R.)
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Thurman C, Qureshi K, Deol B, Farooq MU. Subarachnoid Hemorrhage due to Cerebral Cavernous Malformation in a Young Female. Neurohospitalist 2022; 12:669-671. [PMID: 36147757 PMCID: PMC9485698 DOI: 10.1177/19418744221112133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023] Open
Abstract
Cerebral cavernous malformations (CCMs) are usually intraparenchymal lesions commonly associated with intraparenchymal hemorrhage. Extra-axial Lesions are uncommon and have rarely been reported as the cause of aneurysmal like subarachnoid hemorrhage (SAH). We present a 33-years-old female with a past medical history significant for hypertension who presented with acute onset head and neck pain after bending over. En route to the hospital, she had abnormal motor movements suggestive of seizures. Computed tomography (CT) of the head was significant for diffuse aneurysmal like SAH. Head CT angiography (CTA) and catheter digital subtraction angiography (DSA) were both negative for aneurysm. Magnetic resonance imaging (MRI) of the brain showed susceptibility artifact in the right parafalcine frontal lobe suspicious for underlying CCM. This lesion was in the area suspected of having an aneurysm on CT head. The patient was diagnosed with SAH secondary to cavernous malformation mimicking aneurysmal etiology. This case is important as it serves as a good reminder to consider cavernous malformations in the differential in patients presenting with angiogram negative SAH. Diagnosis of this entity has treatment implications including discontinuation of calcium channel blockers if initiated, discussion about duration of anti-seizure medication, in addition to consideration for surgical intervention in select populations.
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Affiliation(s)
- Cleopatra Thurman
- Mercy Health Grand Rapids Vascular Neurology Fellowship, Grand Rapids, MI, USA
- Mercy Health Hauenstein Neuroscience Center, Grand Rapids, MI, USA
| | - Kasim Qureshi
- Mercy Health Hauenstein Neuroscience Center, Grand Rapids, MI, USA
- Mercy Health Grand Rapids Neurology Residency Program 260 Jefferson Ave SE, Grand Rapids, MI, USA
| | - Baljit Deol
- Mercy Health Grand Rapids Vascular Neurology Fellowship, Grand Rapids, MI, USA
- Mercy Health Hauenstein Neuroscience Center, Grand Rapids, MI, USA
| | - Muhammad U. Farooq
- Mercy Health Grand Rapids Vascular Neurology Fellowship, Grand Rapids, MI, USA
- Mercy Health Hauenstein Neuroscience Center, Grand Rapids, MI, USA
- Mercy Health Grand Rapids Neurology Residency Program 260 Jefferson Ave SE, Grand Rapids, MI, USA
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25
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Maharani P, Hidayati HB, Kurniawan SN. Vertigo due to cerebellar cavernous malformation: A case report. Radiol Case Rep 2022; 17:3495-3500. [PMID: 35912296 PMCID: PMC9334926 DOI: 10.1016/j.radcr.2022.06.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 06/25/2022] [Indexed: 12/01/2022] Open
Abstract
Central vertigo is a result of vestibular structure dysfunction in the central nervous system. Currently, misdiagnoses between peripheral and central lesions are frequent, and diagnostic testing costs are high. Identifying the characteristics of these 2 conditions is challenging. We can provide better treatment if we can establish a diagnosis earlier. Cerebral cavernous malformation (CCM) at the cerebellum is a cerebellar lesion that causes symptoms of central vertigo. We report a patient, 20th years old, female, with vertigo for 1 month before being admitted. Vertigo was getting worse, and when the patient arrived at our hospital, vertigo was accompanied by headache, right and left abducens nerve palsy, horizontal nystagmus bidirectional, vertical nystagmus, and weakness on the right side of the body. A brain magnetic resonance imaging (MRI) was performed before surgery and shows a lesion suggestive of CCM at the cerebellum with a hemorrhagic component inside and non-communicating hydrocephalus. There is no vascular malformation based on digital subtraction angiography result. MRI is the most sensitive and specific modality for detecting CCM, whereas cerebral angiography rarely detects this malformation. The patient got surgical treatment, with suboccipital decompression procedures and CCM excision. The histopathological results after surgical treatment revealed a cerebral cavernous malformation. Vertigo, headache, double vision, and weakness on the right side of the body were resolved after surgery.
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26
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Han RH, Johnson GW, Coxon AT, Gupta VP, Richards MJ, Lancia S, Salter A, Miller-Thomas MM, Dacey RG, Zipfel GJ, Osbun JW. Comparative Effectiveness of Management by Surgical Resection vs Observation for Cerebral Cavernous Malformations: A Matched Propensity Score Analysis. NEUROSURGERY OPEN 2022. [DOI: 10.1227/neuopn.0000000000000011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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27
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Xu XY, Li D, Song LR, Liu PP, Wu ZY, Wang L, Zhang LW, Zhang JT, Wu Z. Nomogram for predicting an individual prospective hemorrhage risk in untreated brainstem cavernous malformations. J Neurosurg 2022; 138:910-921. [PMID: 36152323 DOI: 10.3171/2022.8.jns221228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/03/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE
In this study, the authors aimed to create a nomogram for precisely predicting the 5-year prospective hemorrhage risk in brainstem cavernous malformations (BSCMs).
METHODS
Patients with confirmed BSCMs in a single-center prospective observational series from January 2012 to December 2016 were included in the present study for nomogram building and validation. The concordance index (C-index), calibration curves, and decision curve analysis were used to evaluate the predictive accuracy, discriminative ability, and clinical usefulness of the nomogram. Then, a nomogram-based risk stratification model for untreated BSCMs was developed.
RESULTS
In total, 600 patients were included in the study; 417 patients who had been enrolled before July 2015 were divided into the training and validation cohorts, and 183 subsequently enrolled patients were used as the external validation cohort. By applying a backward stepwise procedure in the multivariable Cox model, variables, including prior hemorrhage (HR 1.69), hemorrhage on admission (HR 3.33), lesion size > 1.5 cm (HR 1.84), lesion depth (HR 2.35), crossing the axial midpoint (HR 1.94), and developmental venous anomaly (HR 2.62), were incorporated to develop a nomogram. The Harrell C-index values for a 5-year prospective hemorrhage were 0.752 (95% CI 0.687–0.816), 0.801 (95% CI 0.665–0.936), and 0.758 (95% CI 0.674–0.842) in the training, internal validation, and external validation cohorts, respectively. The nomogram performed well in terms of consistency between prediction and actual observation according to the calibration curve. The patients could be classified into three distinct (low, medium, and high) risk groups using the final score of this nomogram.
CONCLUSIONS
Independent predictors of the 5-year hemorrhage risk in untreated BSCMs were selected to create the first nomogram for predicting individual prospective hemorrhage. The nomogram was able to stratify patients into different risk groups and assist in clinical decision-making.
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Affiliation(s)
- Xiao-Ying Xu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
- China National Clinical Research Center for Neurological Diseases, Beijing; and
| | - Da Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
- China National Clinical Research Center for Neurological Diseases, Beijing; and
| | - Lai-Rong Song
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
- China National Clinical Research Center for Neurological Diseases, Beijing; and
| | - Pan-Pan Liu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
- China National Clinical Research Center for Neurological Diseases, Beijing; and
- Department of Neurosurgery, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China
| | - Ze-Yu Wu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
- China National Clinical Research Center for Neurological Diseases, Beijing; and
| | - Liang Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
- China National Clinical Research Center for Neurological Diseases, Beijing; and
| | - Li-Wei Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
- China National Clinical Research Center for Neurological Diseases, Beijing; and
| | - Jun-Ting Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
- China National Clinical Research Center for Neurological Diseases, Beijing; and
| | - Zhen Wu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
- China National Clinical Research Center for Neurological Diseases, Beijing; and
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Chung MW, Chuang CC, Wang CC, Chen HC, Hsu PW. Prognostic Factors Analysis for Intracranial Cavernous Malformations Treated with Linear Accelerator Stereotactic Radiosurgery. Life (Basel) 2022; 12:life12091363. [PMID: 36143399 PMCID: PMC9505264 DOI: 10.3390/life12091363] [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: 08/09/2022] [Revised: 08/26/2022] [Accepted: 08/29/2022] [Indexed: 11/16/2022] Open
Abstract
Stereotactic radiosurgery (SRS) is generally considered a substitute for cranial cavernous malformations (CCMs). However, prognostic factors for post-radiosurgery CCM rebleeding and adverse radiation effects have not been well evaluated, and the effect of timing and optimal treatment remains controversial. Therefore, this study evaluated prognostic factors for post-radiosurgical rebleeding and focal edematous changes in 30 patients who developed symptomatic intracranial hemorrhage due to solitary non-brainstem CCM and received linear accelerator (LINAC) SRS in a single medical center from October 2002 to June 2018. An overall post-radiosurgical annual hemorrhage rate with 4.5% was determined in this study. In addition, a higher marginal dose of >1600 centigray and earlier LINAC SRS intervention were correlated with a significantly lower post-radiosurgical annual hemorrhage rate. A lesion size larger than 3 cm3 and a coexisting developmental venous anomaly were significant risk factors for post-radiosurgical focal brain edema but mostly resulted in no symptoms and were temporary. This study demonstrated the efficacy of LINAC SRS in preventing CCM rebleeding and suggests that earlier radiosurgery treatment with a higher dose for non-brainstem symptomatic CCMs be considered.
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Affiliation(s)
- Meng-Wu Chung
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan 333, Taiwan
| | - Chi-Cheng Chuang
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan 333, Taiwan
| | - Chun-Chieh Wang
- Department of Radiation Oncology, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan 333, Taiwan
| | - Hsien-Chih Chen
- Department of Neurosurgery, Chang Gung Memorial Hospital at Keelung, Chang Gung University, Taoyuan 333, Taiwan
| | - Peng-Wei Hsu
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan 333, Taiwan
- Correspondence:
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Intradural Extramedullary Cavernous Malformation of the Spinal Cord with Hemorrhagic Transformation and Rapid Expansion. Case Rep Neurol Med 2022; 2022:8677298. [PMID: 35992225 PMCID: PMC9391149 DOI: 10.1155/2022/8677298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 07/30/2022] [Indexed: 11/18/2022] Open
Abstract
Intradural extramedullary cavernous malformations in the spinal cord are rarely occurring vascular lesions. Mostly they are clinically silent unless the hemorrhagic transformation causes subarachnoid hemorrhage or neurologic deficits. We report the case of a 51-year-old man who developed a headache and weakness of the lower limb. Spinal cord magnetic resonance imaging revealed that the cause of his symptoms was a spinal intradural and extramedullary cavernous malformation with hemorrhagic transformation causing subarachnoid hemorrhage and compression of the thoracic spinal cord. Surgical decompression of the spinal cord followed by the resection of the lesion resulted in significant neurological improvement. Early diagnosis and early surgical extirpation of the lesion should be done to prevent recurrent hemorrhagic transformation and development of neurological symptoms.
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30
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Orlev A, Feghali J, Kimchi G, Salomon M, Berkowitz S, Oxman L, Levitan I, Knoller N, Auriel E, Huang J, Tamargo RJ, Harnof S. Neurological event prediction for patients with symptomatic cerebral cavernous malformation: the BLED2 score. J Neurosurg 2022; 137:344-351. [PMID: 34920431 DOI: 10.3171/2021.8.jns211321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/13/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Retrospective patient cohort studies have identified risk factors associated with recurrent focal neurological events in patients with symptomatic cerebral cavernous malformations (CCMs). Using a prospectively maintained database of patients with CCMs, this study identified key risk factors for recurrent neurological events in patients with symptomatic CCM. A simple scoring system and risk stratification calculator was then created to predict future neurological events in patients with symptomatic CCMs. METHODS This was a dual-center, prospectively acquired, retrospectively analyzed cohort study. Adult patients who presented with symptomatic CCMs causing focal neurological deficits or seizures were uniformly treated and clinically followed from the time of diagnosis onward. Baseline variables included age, sex, history of intracerebral hemorrhage, lesion multiplicity, location, eloquence, size, number of past neurological events, and duration since last event. Stepwise multivariable Cox regression was used to derive independent predictors of recurrent neurological events, and predictive accuracy was assessed. A scoring system based on the relative magnitude of each risk factor was devised, and Kaplan-Meier curve analysis was used to compare event-free survival among patients with different score values. Subsequently, 1-, 2-, and 5-year neurological event rates were calculated for every score value on the basis of the final model. RESULTS In total, 126 (47%) of 270 patients met the inclusion criteria. During the mean (interquartile range) follow-up of 54.4 (12-66) months, 55 patients (44%) experienced recurrent neurological events. Multivariable analysis yielded 4 risk factors: bleeding at presentation (HR 1.92, p = 0.048), large size ≥ 12 mm (HR 2.06, p = 0.016), eloquent location (HR 3.01, p = 0.013), and duration ≤ 1 year since last event (HR 9.28, p = 0.002). The model achieved an optimism-corrected c-statistic of 0.7209. All factors were assigned 1 point, except duration from last event which was assigned 2 points. The acronym BLED2 summarizes the scoring system. The 1-, 2-, and 5-year risks of a recurrent neurological event ranged from 0.6%, 1.2%, and 2.3%, respectively, for patients with a BLED2 score of 0, to 48%, 74%, and 93%, respectively, for patients with a BLED2 score of 5. CONCLUSIONS The BLED2 risk score predicts prospective neurological events in symptomatic CCM patients.
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Affiliation(s)
- Alon Orlev
- 1Department of Neurosurgery, Rabin Medical Center, Sackler Medical School, Petah Tikva, Israel
- 2Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - James Feghali
- 2Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Gil Kimchi
- 3Department of Neurosurgery, Sheba Medical Center, Sackler Medical School, Ramat-Gan, Israel
| | - Moran Salomon
- 4St. Georges, University of London, Cranmer Terrace, London, United Kingdom; and
| | - Shani Berkowitz
- 1Department of Neurosurgery, Rabin Medical Center, Sackler Medical School, Petah Tikva, Israel
| | - Liat Oxman
- 1Department of Neurosurgery, Rabin Medical Center, Sackler Medical School, Petah Tikva, Israel
| | - Idan Levitan
- 1Department of Neurosurgery, Rabin Medical Center, Sackler Medical School, Petah Tikva, Israel
| | - Nachshon Knoller
- 3Department of Neurosurgery, Sheba Medical Center, Sackler Medical School, Ramat-Gan, Israel
| | - Eitan Auriel
- 5Department of Neurology, Rabin Medical Center, Sackler Medical School, Petah Tikva, Israel
| | - Judy Huang
- 2Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Rafael J Tamargo
- 2Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Sagi Harnof
- 1Department of Neurosurgery, Rabin Medical Center, Sackler Medical School, Petah Tikva, Israel
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Tu T, Peng Z, Ren J, Zhang H. Cerebral Cavernous Malformation: Immune and Inflammatory Perspectives. Front Immunol 2022; 13:922281. [PMID: 35844490 PMCID: PMC9280619 DOI: 10.3389/fimmu.2022.922281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Accepted: 05/18/2022] [Indexed: 12/03/2022] Open
Abstract
Cerebral cavernous malformation (CCM) is a type of vascular anomaly that arises due to the dyshomeostasis of brain capillary networks. In the past two decades, many advances have been made in this research field. Notably, as a more reasonable current view, the CCM lesions should be attributed to the results of a great number of additional events related to the homeostasis disorder of the endothelial cell. Indeed, one of the most fascinating concerns in the research field is the inflammatory perturbation in the immune microenvironment, which would affect the disease progression as well as the patients’ outcomes. In this work, we focused on this topic, and underlined the immune-related factors’ contribution to the CCM pathologic progression.
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Affiliation(s)
- Tianqi Tu
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Zhenghong Peng
- Health Management Department, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jian Ren
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Hongqi Zhang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
- *Correspondence: Hongqi Zhang,
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Anatomo-functional evaluation for management and surgical treatment of insular cavernous malformation: a case series. Acta Neurochir (Wien) 2022; 164:1675-1684. [PMID: 35066681 DOI: 10.1007/s00701-021-05089-3] [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: 09/16/2021] [Accepted: 12/14/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND Insular cavernous malformations (iCMs) are very rare vascular lesions. Their surgical management is challenging, due to their complex functional and vascular relationship. The continuous improvement of intra-operative tools and neuroimaging techniques has progressively enhanced the safety of iCM surgery. Nevertheless, the best surgical approach remains controversial. OBJECTIVE To analyze the potential role of an anatomo-functional classification to guide the iCMs' management. METHODS The study included patients affected by iCMs and referred to the Senior Author (FA). All cases were divided in 2 groups, according to a mainly pial growth pattern (exophytic group) or a subcortical one (endophytic group). Endophytic iCM was further subdivided in 3 subgroups, based on the insular gyri involved. According to this classification, each patient underwent a specific additional neuroimaging investigation and surgical evaluation. RESULTS A total of 24 patients were included. In the surgical group, trans-sylvian (TS) approach was used in 6 patients with exophytic or Zone I endophytic iCMs. The transcortical (TC) approach with awake monitoring was used in 6 cases of Zone II endophytic vascular lesions. Both TS and trans-intraparietal sulcal (TIS) approach were used for 3 cases of Zone III endophytic iCM. At follow-up, 3 patients were fully recovered from a transient speech impairment while a permanent morbidity was observed in one case. CONCLUSIONS ICMs represent a single entity with peculiar clinical and surgical aspects. The proposed iCM classification focuses on anatomical and functional concerns, aiming to suggest the best pre-operative work-up and the surgical evaluation.
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Velz J, Özkaratufan S, Krayenbühl N, Beccaria K, Akeret K, Attieh C, Ghannam B, Guida L, Benichi S, Bozinov O, Puget S, Blauwblomme T, Regli L. Pediatric brainstem cavernous malformations: 2-center experience in 40 children. J Neurosurg Pediatr 2022; 29:612-623. [PMID: 35303707 DOI: 10.3171/2022.1.peds21538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/13/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Brainstem cavernous malformations (BSCMs) are relatively uncommon, low-flow vascular lesions in children. Given the paucity of data, guidelines regarding the clinical management of BSCMs in children are lacking and the surgical indication is most commonly based on an individual surgeon's judgment and experience. The goal in this study was to evaluate the clinical behavior of BSCMs in childhood and the long-term outcome in children managed conservatively and surgically. METHODS This was an observational, retrospective study including all children with BSCMs who were followed at 2 institutions between 2008 and 2020. RESULTS The study population consisted of 40 children (27 boys, 67.5%) with a mean age of 11.4 years. Twenty-three children (57.5%) were managed conservatively, whereas 17 children (42.5%) underwent resection of BSCMs. An aggressive clinical course was observed in 13 children (32.5%), who experienced multiple hemorrhages with a progressive pattern of neurological decline. Multiple BSCMs were observed in 8 patients, of whom 3 patients presented with a complex of multiple tightly attached BSCMs and posed a significant therapeutic challenge. The overall long-term outcome was favorable (modified Rankin Scale [mRS] scores 0-2) in 36 patients (90%), whereas an unfavorable outcome (mRS scores 3 and 4) was seen in 4 children (10%). An mRS score of 5 or 6 was not observed. The mean (± SD) follow-up was 88.0 (± 92.6) months. CONCLUSIONS The clinical course of BSCMs in children is highly variable, with benign lesions on the one hand and highly aggressive lesions with repetitive hemorrhages on the other. Given the greater life expectancy and the known higher functional recovery in children, surgical treatment should be considered early in young patients presenting with surgically accessible lesions and an aggressive clinical course, and it should be performed in a high-volume center.
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Affiliation(s)
- Julia Velz
- 1Department of Neurosurgery, Clinical Neuroscience Center, University Hospital Zurich, Switzerland
- 2University of Zurich, Switzerland
- 3Division of Pediatric Neurosurgery, University Children's Hospital Zurich, Switzerland
- 4Department of Pediatric Neurosurgery, APHP, Hôpital Necker, Paris, France
| | - Sena Özkaratufan
- 1Department of Neurosurgery, Clinical Neuroscience Center, University Hospital Zurich, Switzerland
- 2University of Zurich, Switzerland
| | - Niklaus Krayenbühl
- 1Department of Neurosurgery, Clinical Neuroscience Center, University Hospital Zurich, Switzerland
- 2University of Zurich, Switzerland
- 3Division of Pediatric Neurosurgery, University Children's Hospital Zurich, Switzerland
| | - Kevin Beccaria
- 4Department of Pediatric Neurosurgery, APHP, Hôpital Necker, Paris, France
- 5Université de Paris, France
| | - Kevin Akeret
- 1Department of Neurosurgery, Clinical Neuroscience Center, University Hospital Zurich, Switzerland
- 2University of Zurich, Switzerland
| | - Christian Attieh
- 4Department of Pediatric Neurosurgery, APHP, Hôpital Necker, Paris, France
| | - Boulos Ghannam
- 4Department of Pediatric Neurosurgery, APHP, Hôpital Necker, Paris, France
| | - Lelio Guida
- 4Department of Pediatric Neurosurgery, APHP, Hôpital Necker, Paris, France
- 5Université de Paris, France
| | - Sandro Benichi
- 4Department of Pediatric Neurosurgery, APHP, Hôpital Necker, Paris, France
- 5Université de Paris, France
| | - Oliver Bozinov
- 1Department of Neurosurgery, Clinical Neuroscience Center, University Hospital Zurich, Switzerland
- 6Department of Neurosurgery, Kantonsspital St. Gallen, Switzerland; and
| | - Stephanie Puget
- 4Department of Pediatric Neurosurgery, APHP, Hôpital Necker, Paris, France
- 7Department of Neurosurgery, Hôpital Pierre Zobda Quitman, CHU de Fort de France, Université des Antilles, Fort de France, Martinique
| | - Thomas Blauwblomme
- 4Department of Pediatric Neurosurgery, APHP, Hôpital Necker, Paris, France
- 5Université de Paris, France
| | - Luca Regli
- 1Department of Neurosurgery, Clinical Neuroscience Center, University Hospital Zurich, Switzerland
- 2University of Zurich, Switzerland
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Five-year symptomatic hemorrhage risk of untreated brainstem cavernous malformations in a prospective cohort. Neurosurg Rev 2022; 45:2961-2973. [PMID: 35633420 DOI: 10.1007/s10143-022-01815-2] [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: 01/30/2022] [Revised: 04/23/2022] [Accepted: 05/17/2022] [Indexed: 10/18/2022]
Abstract
Hemorrhage of brainstem cavernous malformation (CM) would cause various symptoms and severe disability. The study aimed to elaborate on the 5-year actuarial cumulative hazard of symptomatic hemorrhage. Patients diagnosed in our institute between 2009 and 2013 were prospectively registered. All clinical data were obtained, follow-up was performed, and risk factors were evaluated. Four hundred sixty-eight patients (217 female, 46.4%) were included in the study with a median follow-up duration of 79.0 months. A total of 137 prospective hemorrhages occurred in 107 patients (22.9%) during 1854.0 patient-years. Multivariate Cox analysis found age ≥ 55 years (hazard ratio (HR) 2.166, p = 0.002), DVA (HR 1.576, p = 0.026), superficial-seated location (HR 1.530, p = 0.047), and hemorrhage on admission (HR 2.419, p = 0.026) as independent risk factors for hemorrhage. The 5-year cumulative hazard of hemorrhage was 30.8% for the overall cohort, 47.8% for 60 patients with age ≥ 55 years, 43.7% for 146 patients with DVA, 37.9% for 272 patients with superficial-seated lesions, and 37.2% for 341 patients with hemorrhage on admission. As a stratified analysis, within subcohort of 341 patients with a hemorrhagic presentation, age ≥ 55 years (HR 3.005, p < 0.001), DVA (HR 1.801, p = 0.010), and superficial-seated location (HR 2.276, p = 0.001) remained independently significant. The 5-year cumulative hazard of hemorrhage was 52.0% for 119 patients with both DVA and hemorrhagic presentation. The 5-year cumulative hemorrhagic risk was 30.8% and was higher in subgroups if harboring risk factors that helped to predict potential hemorrhagic candidates and were useful for treatment decision-making.Clinical Trial Registration-URL: http://www.chictr.org.cn Unique identifier: ChiCTR-POC-17011575.
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Samanci Y, Ardor GD, Peker S. Management of pediatric cerebral cavernous malformations with gamma knife radiosurgery: a report of 46 cases. Childs Nerv Syst 2022; 38:929-938. [PMID: 35275282 DOI: 10.1007/s00381-022-05485-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 02/28/2022] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Pediatric cerebral cavernous malformations (CCMs) are commonly treated vascular anomalies with different clinical characteristics than their adult counterparts. Outcomes of Gamma Knife Radiosurgery (GKRS) for pediatric CCMs have not explicitly been reported. This paper reports our experience in managing pediatric CCMs with GKRS. METHODS We retrospectively reviewed the clinical features, GKRS parameters, and clinical and radiological outcomes of 46 children with 64 CCMs. RESULTS A total of 46 children, including 19 girls and 27 boys, with a median age of 16 years (3-17 years), were enrolled in the study. The median age at first CCM diagnosis was 13 years (range, 2-17 years). Twenty-two patients (47.8%) had more than one neurological symptom at the time of diagnosis, and the most common presenting symptom was seizure (28.3%). The most common location was supratentorial superficial (53.1%), and 17.4% of patients had multiple CCMs. A developmental venous anomaly was detected in 5 patients (10.9%). During a total of 52.4 retrospective patient-years in patients with > 1 hemorrhage episode, the calculated annual hemorrhage rate was 40.1%. The median post-GKRS follow-up was 79 months (range, 19-175 months), with an overall 306.2 prospective patient years. The annual hemorrhage rate (AHR) during the first 2 years after GKRS and after the initial 2 years was 1.11% and 0.46%, respectively. Regarding clinical factors and GKRS parameters, univariate analysis revealed a significant association with post-GKRS AHR and volume (p = 0.023) only. Patients with pre-GKRS seizures showed favorable seizure control (Engel class I and II) in 8 children (61.5%). There was no mortality in our series. CONCLUSION Low AHR following GKRS with no radiation-induced toxicity makes GKRS a therapeutic alternative for pediatric CCMs.
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Affiliation(s)
- Yavuz Samanci
- Department of Neurosurgery, Koç University Hospital, Istanbul, Turkey.,Department of Neurosurgery, Gamma Knife Center, Koç University Hospital, Istanbul, Turkey
| | - Gokce Deniz Ardor
- Department of Neurosurgery, Gamma Knife Center, Koç University Hospital, Istanbul, Turkey
| | - Selcuk Peker
- Department of Neurosurgery, Gamma Knife Center, Koç University Hospital, Istanbul, Turkey. .,School of Medicine, Department of Neurosurgery, Koç University, Davutpasa Caddesi No: 4, 34010, Zeytinburnu, Istanbul, Turkey.
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Tyagi G, Sikaria A, Birua GJS, Beniwal M, Srinivas D. Surgical management of simultaneous supra- and infratentorial hemorrhages in a pediatric patient with multiple cavernomas. J Cerebrovasc Endovasc Neurosurg 2022; 24:262-266. [PMID: 35220696 PMCID: PMC9537648 DOI: 10.7461/jcen.2022.e2021.08.001] [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: 08/02/2021] [Accepted: 10/27/2021] [Indexed: 12/01/2022] Open
Abstract
Multiple intracranial cavernomas are rare and occur mostly in familial cases. Clinical presentation with simultaneous rupture of two or more lesions has only been reported in four cases to date. A 15-year-old boy presented with simultaneous right frontal and superior vermian hematomas with hydrocephalus. The patient underwent a ventriculoperitoneal shunt, and his magnetic resonance imaging (MRI) revealed multiple cavernomas with bleed in the above-mentioned locations. The patient underwent a midline suboccipital craniotomy and excision of the cavernoma. The supratentorial lesions were left in situ in lieu of small size, no history of seizures, mass effect, or other neurological deficits. The patient recovered well from surgery with significant improvement in truncal ataxia. He remained asymptomatic for supratentorial lesions at follow-up. Cavernomas should be considered as differential diagnoses in cases of multiple intraparenchymal hemorrhages, especially in pediatric patients. The surgical management should be rationalized based on the lesion location, the eloquence of the surrounding parenchyma, mass effect, and the risks of re-rupture. Due to the rarity of multiple simultaneous hemorrhages, the management of multiple cavernomas remains controversial. The patient’s relatives can be screened with MRI to rule out the familial form of the disease. Strict clinical and radiological follow-up is a must in such patients.
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Affiliation(s)
- Gaurav Tyagi
- Department of Neurosurgery, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India
| | - Abhay Sikaria
- Department of Neurosurgery, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India
| | - Gyani Jail Singh Birua
- Department of Neurosurgery, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India
| | - Manish Beniwal
- Department of Neurosurgery, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India
| | - Dwarakanath Srinivas
- Department of Neurosurgery, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, India
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Patel M, Mahajan U, Pace J, Rothstein B. Presentation and management of nervous system cavernous malformations in children: A systematic review and case report. Brain Circ 2022; 8:121-126. [PMID: 36267435 PMCID: PMC9578313 DOI: 10.4103/bc.bc_26_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/09/2022] [Accepted: 07/13/2022] [Indexed: 11/27/2022] Open
Abstract
Cerebral cavernous malformations (CMs) are slow-flow vascular lesions that affect up to 0.5% of the pediatric population. These lesions are at risk for hemorrhage, causing seizures, and leading to neurological deficits. Here, we conduct a literature review and then present a report of a supratentorial CM in a 2-year-old patient with no significant past medical history who presented at our institution with 1 month of eye twitching. We performed a literature search of five databases of all articles published before 2020. Our inclusion criteria included cohort and case series of children with mean age under 12 years. Our search yielded 497 unique articles, of which 16 met our inclusion criteria. In our pooled literature analysis, a total of 558 children were included, 8.3% of which had a positive family history and 15.9% had multiple CMs. About 46.1% of the children had seizures, and 88.4% of those who underwent surgery had a total resection. About 85.1% of those with epilepsy were Engel Class 1 postsurgery. Over a mean follow-up of 4.1 years, 3.4% of patients had additional neurological deficits, including paresis and speech deficits. Our analysis of published literature shows surgical intervention should be considered first-line therapy for patients who are symptomatic from CM, present with seizure, and have surgically accessible lesions. Additional work is needed on outcomes and long-term effects of minimally invasive treatments, including radiosurgery and laser ablation, in pediatric populations.
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Khahera AS, Li Y, Steinberg GK. Cavernous malformations of the hypothalamus: a single-institution series of 12 cases and review of the literature. J Neurosurg 2021; 135:1617-1626. [PMID: 34020425 DOI: 10.3171/2020.10.jns201419] [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: 06/25/2020] [Accepted: 10/26/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE There remains a paucity of literature on hypothalamic cavernous malformations (HCMs). Here, the authors present the largest series of HCMs to date and review the literature to gain additional insight into this rare disease subset. METHODS A prospectively managed database was retrospectively reviewed for patients diagnosed with symptomatic HCM and treated surgically between 1987 and 2019. Data gathered included demographics, presenting signs, radiological measurements, surgical approach, and postoperative events. Functional outcome was measured using the modified Rankin Scale (mRS) and Glasgow Outcome Scale-Extended (GOSE) pre- and postoperatively. A PRISMA guideline systematic review of HCM in the literature was performed. RESULTS Our cohort study consisted of 12 patients with symptomatic, and radiographically confirmed, HCM treated with microsurgery by the senior author (G.K.S.). An additional 16 surgically or conservatively managed patients were also identified from the literature, and the authors analyzed the data of all 28 patients (with 54% of patients being male; mean age 39 ± 16 years, range 10-68 years). Patients harboring HCMs most commonly presented with headache (16/28, 57%), short-term memory impairment (11/28, 39%), and gait disturbance (8/28, 32%). Radiographically, lesions most commonly involved the mammillary region (18/23, 78%), the tuberal/infundibulum region (13/23, 57%), and the preoptic/lamina terminalis region (12/23, 52%), with a mean diameter of 2.5 ± 1.4 cm (range 0.8-7 cm) at presentation. Acute hemorrhage was identified in 96% (23/24) of patients on presentation, with 96% (23/24) intraparenchymal and 29% (7/24) intraventricular. Of 24 patients who were managed surgically, gross-total resection (GTR) was achieved in 88% (21/24) of cases. There were no reports of perioperative infarction or mortality. With a mean follow-up period of 41 months (range 0.5-309 months), 77% (20/26) of patients experienced functional improvement, while 12% (3/26) had no change, and 12% (3/26) experienced increased disability. In our cohort of 12 patients, 83% (10/12) continued to report symptoms at the last follow-up (mean 4.8 years, range 0.1-25.7 years). However, there was a significant improvement in mRS score noted after surgery (mean 1.4 vs 3.1, p = 0.0026) and a trend toward improvement in GOSE score (mean 6.3 vs 5.1, p = 0.09). CONCLUSIONS Hemorrhage from HCMs can cause a symptomatic mass effect on adjacent eloquent structures. While patients are unlikely to be deficit free following surgery, GTR allows for functional improvement and reduces recurrent hemorrhage rates. Microsurgery remains a viable option for symptomatic HCMs in experienced hands.
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Flemming KD, Chiang CC, Brown RD, Lanzino G. Safety of select headache medications in patients with cerebral and spinal cavernous malformations. CEPHALALGIA REPORTS 2021. [DOI: 10.1177/25158163211062254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: Patients with cerebral or spinal cavernous malformations (CM) and a primary headache disorder are often limited in medication options due to concern for bleeding risk. Methods: From a prospective cohort of CM patients (2015–2020), demographics, mode of clinical presentation, and radiographic data were collected. Follow up of patients was performed with electronic medical record review, in person visits and/or written surveys. Select medication use was ascertained from the time of the CM diagnosis to a censor date of first prospective symptomatic hemorrhage, complete surgical excision of sporadic form CM, or death. The influence of non-aspirin NSAID (NA-NSAID), triptan, or OnabotulinumtoxinA on prospective hemorrhage risk was assessed. Results: As of August 20, 2020, 329 patients with spinal or cerebral CM (58% female; 20.1% familial; 42.2% initial presentation due to hemorrhage; 27.4% brainstem) were included. During a follow-up of 1799.9 patient years, 92 prospective hemorrhages occurred. Use of NA-NSAIDs, triptans, and OnabotulinumtoxinA after the diagnosis of CM was unassociated with an increased risk of prospective hemorrhage. Conclusions: Use of triptans and NA-NSAIDs, does not precipitate CM hemorrhage. Similarly, we did not find that OnabotulinumtoxinA precipitated CM hemorrhage in a limited number of patients at doses <200 units per session.
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Affiliation(s)
| | | | - Robert D Brown
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
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Effect of Cinepazide Maleate on Serum Inflammatory Factors of ICU Patients with Severe Cerebral Hemorrhage after Surgery. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6562140. [PMID: 34745295 PMCID: PMC8568541 DOI: 10.1155/2021/6562140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 10/15/2021] [Indexed: 12/01/2022]
Abstract
Objective To explore the effect of cinepazide maleate on serum inflammatory factors of intensive care unit (ICU) patients with severe cerebral hemorrhage after surgery. Methods 116 ICU patients with severe cerebral hemorrhage treated in Taian Maternal and Child Health Hospital from June 2018 to June 2020 were selected as the research objects and randomly divided into the control group and experimental group, with 58 patients in each group. The control group was given routine treatment, while the experimental group was additionally given an intravenous drip of cinepazide maleate to compare the clinical efficacy and serum inflammatory factors between the two groups. Results The total effective rate in the experimental group was higher than that in the control group (P < 0.05). After treatment, the Glasgow Coma Scale (GCS), National Institutes of Health Stroke Scale (NIHSS), and Fugl-Meyer scores in both groups were better than those before treatment, and the scores in the experimental group were better than those in the control group (P < 0.05). The oxidative stress indexes such as total antioxidant capacity (T-Aoc), superoxide dismutase (SOD), and glutathione peroxidase (GSH-PX) in the experimental group were higher than those in the control group, while malondialdehyde (MDA) in the experimental group was lower than that in the control group (P < 0.05). The high-sensitivity C-reactive protein (hsCRP), interleukin-6 (IL-6), interleukin-8 (IL-8), and tumor necrosis factor-α (TNF-α) levels in the experimental group were lower than those in the control group (P < 0.05). Compared with the control group, the cerebrovascular function in the experimental group was significantly improved (P < 0.05), with statistically significant differences. Conclusion Cinepazide maleate can effectively reduce the serum inflammatory factor levels of ICU patients with severe cerebral hemorrhage after surgery, alleviate the oxidative stress response in the body, and improve the cerebrovascular function and cerebral nerve function, which is worthy of clinical promotion.
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Effect of Holistic Nursing Intervention Combined with Humanized Nursing Intervention on Activities of Daily Living and Limb Movement Ability of Elderly Patients with Cerebral Hemorrhage after Surgery. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:2480551. [PMID: 34721623 PMCID: PMC8556103 DOI: 10.1155/2021/2480551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 10/03/2021] [Accepted: 10/05/2021] [Indexed: 11/25/2022]
Abstract
Background To improve the nursing status, activities of daily living (ADL), and limb movement ability of elderly patients with cerebral hemorrhage and to actively explore the comprehensive nursing mode that can meet the rehabilitation needs of patients. Methods 128 elderly patients with cerebral hemorrhage admitted to our department (2019.01–2021.01) were included in the study and randomly divided into the reference group and the study group according to the numeration table, with 64 cases in each group. The reference group received routine nursing, while the study group received holistic nursing combined with humanized nursing. Statistical methods were used to analyze the nursing effect of the two intervention models. Results With better scores of the upper limb muscle strength, lower limb muscle strength, and total Fugl-Meyer Assessment (FMA) in both groups after nursing, the scores in the study group after nursing were higher than those in the reference group (P < 0.05). After nursing, the ADL scores of both groups were significantly improved and the score in the study group was better than that in the reference group (P < 0.05). After nursing, the degree of neurological deficit in both groups was significantly better than that before nursing and the degree in the reference group was more serious than that in the study group (P < 0.05). Compared with the reference group, the total infection rate in the study group was lower, while the nursing satisfaction was higher, with statistical significance (P < 0.05). Conclusion The holistic nursing combined with humanized nursing has a remarkable effect on the postoperative intervention of elderly patients with cerebral hemorrhage. It can improve the limb movement function, enhance the ADL, reduce the degree of neurological deficit, improve the quality of life, and enhance the nursing satisfaction of patients after intervention, which is worthy of clinical popularization.
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Yang Y, Velz J, Neidert MC, Lang W, Regli L, Bozinov O. The BSCM score: a guideline for surgical decision-making for brainstem cavernous malformations. Neurosurg Rev 2021; 45:1579-1587. [PMID: 34713352 PMCID: PMC8976795 DOI: 10.1007/s10143-021-01679-y] [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: 08/10/2021] [Revised: 10/12/2021] [Accepted: 10/20/2021] [Indexed: 11/07/2022]
Abstract
Microsurgical resection of brainstem cavernous malformations (BSCMs) can be performed today with acceptable morbidity and mortality. However, in this highly eloquent location, the indication for surgery remains challenging. We aimed to elaborate a score system that may help clinicians with their choice of treatment in patients with BSCMs in this study. A single-center series of 88 consecutive BSCMs patients with 272 follow-up visits were included in this study. Univariable and multivariable generalized estimating equations (GEE) were constructed to identify the association of variables with treatment decisions. A score scale assigned points for variables that significantly contributed to surgical decision-making. Surgical treatment was recommended in 37 instances, while conservative treatment was proposed in 235 instances. The mean follow-up duration was 50.4 months, and the mean age at decision-making was 45.9 years. The mean BSCMs size was 14.3 ml. In the multivariable GEE model, patient age, lesion size, hemorrhagic event(s), mRS, and axial location were identified as significant factors for determining treatment options. With this proposed score scale (grades 0–XII), non-surgery was the first option at grades 0–III. The crossover point between surgery and non-surgery recommendations lay between grades V and VI while surgical treatment was found in favor at grades VII–X. In conclusion, the proposed BSCM operating score is a clinician-friendly tool, which may help neurosurgeons decide on the treatment for patients with BSCMs.
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Affiliation(s)
- Yang Yang
- Department of Neurosurgery, Clinical Neuroscience Center, University Hospital of Zurich, University of Zurich, Ramistrasse 100, CH-8091, Zurich, Switzerland. .,Department of Neurosurgery, Kantonsspital St. Gallen, Rorschacher Strasse 95, CH-9007, St. Gallen, Switzerland.
| | - Julia Velz
- Department of Neurosurgery, Clinical Neuroscience Center, University Hospital of Zurich, University of Zurich, Ramistrasse 100, CH-8091, Zurich, Switzerland
| | - Marian C Neidert
- Department of Neurosurgery, Kantonsspital St. Gallen, Rorschacher Strasse 95, CH-9007, St. Gallen, Switzerland
| | - Wei Lang
- Department of Geriatric Medicine, University Hospital Zurich, City Hospital Waid Zurich, Tiechestrasse 99, CH-8037, Zurich, Switzerland
| | - Luca Regli
- Department of Neurosurgery, Clinical Neuroscience Center, University Hospital of Zurich, University of Zurich, Ramistrasse 100, CH-8091, Zurich, Switzerland
| | - Oliver Bozinov
- Department of Neurosurgery, Kantonsspital St. Gallen, Rorschacher Strasse 95, CH-9007, St. Gallen, Switzerland
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Garcia RM, Oh T, Cole TS, Hendricks BK, Lawton MT. Recurrent brainstem cavernous malformations following primary resection: blind spots, fine lines, and the right-angle method. J Neurosurg 2021; 135:671-682. [PMID: 33254145 PMCID: PMC8134603 DOI: 10.3171/2020.6.jns201555] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 06/30/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Proximity of brainstem cavernous malformations (BSCMs) to tracts and cranial nerve nuclei make it costly to transgress normal tissue in accessing the lesion or disrupting normal tissue adjacent to the lesion in the separation plane. This interplay between tissue sensitivity and extreme eloquence makes it difficult to avoid leaving a remnant on occasion. Recurrences require operative intervention, which may increase morbidity, lengthen recovery, and add to overall costs. An approximately 20-year experience with patients with recurrent BSCM lesions following primary microsurgical resection was reviewed. METHODS A prospectively maintained database of 802 patients who underwent microsurgical resection of cerebral cavernous malformations during 1997-2018 was queried to identify 213 patients with BSCMs. A retrospective chart review was conducted for patients with recurrent BSCM after primary resection who required a second surgery. RESULTS Fourteen of 213 patients (6.6%) underwent repeat resection for recurrent BSCM. Thirty-four hemorrhagic events were observed among these 14 patients over 576 patient-years (recurrent hemorrhage rate, 5.9% per year; median discrete hemorrhagic events, 2; median time to rehemorrhage, 897 days). BSCM occurred in the pons in 10 cases, midbrain in 2 cases, and medulla in 2 cases. A blind spot in the operative corridor was the most common cause of residual BSCM (9 patients). All recurrent BSCMs were removed completely, although 2 patients each required 2 operations to treat recurrence. Twelve patients had unchanged or improved modified Rankin Scale scores at last clinical evaluation compared with admission, and 2 patients had worse scores. Recurrence was more common among patients who were operated on in the first versus the second half of the series (8.5% vs 4.7%). CONCLUSIONS The 6.6% rate of BSCM recurrence requiring reoperation reflects the fine lines between complete resection and recurrence and between safe and harmful surgery. The detection of remnants is difficult postoperatively and remains so even at 6 months when the resection bed has healed. The 5.9% annual hemorrhage risk associated with recurrent BSCM in this experience is consistent with that reported for unoperated BSCMs. The right-angle method helps to anticipate blind spots and meticulously inspect the resection cavity for residual BSCM during surgery. A low percentage of recurrent BSCM (5%-10%) ensures ongoing effort toward an acceptable balance of safety and completeness.
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Affiliation(s)
- Roxanna M. Garcia
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, Arizona
| | - Taemin Oh
- Department of Neurological Surgery, University of California, San Francisco, California
| | - Tyler S. Cole
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, Arizona
| | - Benjamin K. Hendricks
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, Arizona
| | - Michael T. Lawton
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, Arizona
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Snellings DA, Hong CC, Ren AA, Lopez-Ramirez MA, Girard R, Srinath A, Marchuk DA, Ginsberg MH, Awad IA, Kahn ML. Cerebral Cavernous Malformation: From Mechanism to Therapy. Circ Res 2021; 129:195-215. [PMID: 34166073 DOI: 10.1161/circresaha.121.318174] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cerebral cavernous malformations are acquired vascular anomalies that constitute a common cause of central nervous system hemorrhage and stroke. The past 2 decades have seen a remarkable increase in our understanding of the pathogenesis of this vascular disease. This new knowledge spans genetic causes of sporadic and familial forms of the disease, molecular signaling changes in vascular endothelial cells that underlie the disease, unexpectedly strong environmental effects on disease pathogenesis, and drivers of disease end points such as hemorrhage. These novel insights are the integrated product of human clinical studies, human genetic studies, studies in mouse and zebrafish genetic models, and basic molecular and cellular studies. This review addresses the genetic and molecular underpinnings of cerebral cavernous malformation disease, the mechanisms that lead to lesion hemorrhage, and emerging biomarkers and therapies for clinical treatment of cerebral cavernous malformation disease. It may also serve as an example for how focused basic and clinical investigation and emerging technologies can rapidly unravel a complex disease mechanism.
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Affiliation(s)
- Daniel A Snellings
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC (D.A.S., D.A.M.)
| | - Courtney C Hong
- Department of Medicine and Cardiovascular Institute, University of Pennsylvania, Philadelphia (C.C.H., A.A.R., M.L.K.)
| | - Aileen A Ren
- Department of Medicine and Cardiovascular Institute, University of Pennsylvania, Philadelphia (C.C.H., A.A.R., M.L.K.)
| | - Miguel A Lopez-Ramirez
- Department of Medicine (M.A.L.-R., M.H.G.), University of California, San Diego, La Jolla.,Department of Pharmacology (M.A.L.-R.), University of California, San Diego, La Jolla
| | - Romuald Girard
- Neurovascular Surgery Program, Section of Neurosurgery, Department of Surgery, The University of Chicago Medicine and Biological Sciences, Chicago, Illinois
| | - Abhinav Srinath
- Neurovascular Surgery Program, Section of Neurosurgery, Department of Surgery, The University of Chicago Medicine and Biological Sciences, Chicago, Illinois
| | - Douglas A Marchuk
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC (D.A.S., D.A.M.)
| | - Mark H Ginsberg
- Department of Medicine (M.A.L.-R., M.H.G.), University of California, San Diego, La Jolla
| | - Issam A Awad
- Neurovascular Surgery Program, Section of Neurosurgery, Department of Surgery, The University of Chicago Medicine and Biological Sciences, Chicago, Illinois
| | - Mark L Kahn
- Department of Medicine and Cardiovascular Institute, University of Pennsylvania, Philadelphia (C.C.H., A.A.R., M.L.K.)
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Shoubash L, Baldauf J, Matthes M, Kirsch M, Rath M, Felbor U, Schroeder HWS. Long-term outcome and quality of life after CNS cavernoma resection: eloquent vs. non-eloquent areas. Neurosurg Rev 2021; 45:649-660. [PMID: 34164745 PMCID: PMC8827309 DOI: 10.1007/s10143-021-01572-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 04/18/2021] [Accepted: 05/26/2021] [Indexed: 11/30/2022]
Abstract
The aim of this study is to analyze the long-term quality of life after surgery of cavernoma. A monocentric retrospective study was conducted on 69 patients with cavernoma treated microsurgically between 2000 and 2016. The eloquence was adopted from Spetzler-Martin definition. A most recent follow-up was elicited between 2017 and 2019, in which the quality of life (QoL) was evaluated with the Short Form-12 questionnaire (SF12). Forty-one lesions were in eloquent group (EG), 22 in non-eloquent group (NEG), 3 in orbit, and 3 in the spinal cord. Postoperative worsening of the modified Rankin scale (mRS) occurred in 19.5% of cases in EG versus 4.5% in NEG. After a mean follow-up of 6.5 years (SD 4.6), the neurological status was better or unchanged compared to baseline in 85.4% of EG and 100% of NEG. Regarding QoL assessment of 44 patients (EG n = 27, NEG n = 14) attended the last follow-up. Patients after eloquent cavernoma resection reported a non-inferior QoL in most SF12 domains (except for physical role) compared to NEG. However, they reported general health perception inferior to norms, which was affected by the limited physical and emotional roles. At a late follow-up, the surgical morbidity was transient in the NEG and mostly recovered in the EG. The QoL comparison between eloquent and non-eloquent cavernomas created interesting and new data after prolonged follow-up. These results add value for decision-making as well as patient counseling for future encountered cases. Preoperative evaluation of QoL is recommended for future studies to assess QoL dynamics.
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Affiliation(s)
- Loay Shoubash
- Department of Neurosurgery, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse, 17475, Greifswald, Germany.
| | - Jörg Baldauf
- Department of Neurosurgery, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse, 17475, Greifswald, Germany
| | - Marc Matthes
- Department of Neurosurgery, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse, 17475, Greifswald, Germany
| | - Michael Kirsch
- Department of Neuroradiology, University Medicine Greifswald, Greifswald, Germany
| | - Matthias Rath
- Department of Human Genetics, University Medicine Greifswald and Interfaculty Institute of Genetics and Functional Genomics, University of Greifswald, Greifswald, Germany
| | - Ute Felbor
- Department of Human Genetics, University Medicine Greifswald and Interfaculty Institute of Genetics and Functional Genomics, University of Greifswald, Greifswald, Germany
| | - Henry W S Schroeder
- Department of Neurosurgery, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse, 17475, Greifswald, Germany
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Dammann P, Saban DV, Herten A, Chen B, Zhu Y, Santos A, Rauschenbach L, Wrede K, Jabbarli R, Schmidt B, Jöckel KH, Kleinschnitz C, Forsting M, Sure U. Cerebral cavernous malformations: Prevalence of cardiovascular comorbidities and allergic diseases compared to the normal population. Eur J Neurol 2021; 28:2000-2005. [PMID: 33738912 DOI: 10.1111/ene.14833] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 03/12/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND To determine the prevalence of cardiovascular comorbidities and allergic diseases in patients with cavernous malformations of the central nervous system compared to the normal population. METHODS Clinical and magnetic resonance imaging data of 1352 patients with cerebral cavernous malformations (CCM) from an observational, cross-sectional, single-institutional study were analyzed and compared to an age-and-gender stratified and matched sample from a population-based, epidemiological study assessing cardiovascular risk factors in the local normal population of the same area (RECALL study). RESULTS Of 1352 patients, 810 (60%) were female. Mean age was 40.4 ± 16 years. 221 patients (16%) suffered from familial disease. Presence of cardiovascular risk factors and intake of certain drugs in the overall cohort was mostly equal to the normal population reference sample (n = 786). The prevalence of allergic diseases was found to be significantly higher in all CCM patients compared to the normal population (30% vs. 20%, odds ratio [OR] 1.35 [1.12-1.63]) and in sporadic CCM cases compared to the normal population and familial cases (32% vs. 20% (OR 1.46 [1.19-1.78], p = 0.0001) and 22% vs. 20%, respectively). CONCLUSIONS We present novel data on CCM using a large single-institution and population-based setup. The study elaborates disease characteristics of CCM patients in detail. For the first time, evidence for an unexplained high prevalence of allergic diseases in this patient population is described (differing between sporadic and familial cases), supporting the hypothesis that immune response is involved in the pathogenesis of CCM.
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Affiliation(s)
- Philipp Dammann
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
| | - Dino Vitali Saban
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
| | - Annika Herten
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
| | - Bixia Chen
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
| | - Yuan Zhu
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
| | - Alejandro Santos
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
| | - Laurèl Rauschenbach
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
| | - Karsten Wrede
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
| | - Ramazan Jabbarli
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
| | - Börge Schmidt
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, Essen, Germany
| | - Karl-Heinz Jöckel
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, Essen, Germany
| | | | - Michael Forsting
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany
| | - Ulrich Sure
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany
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Saberi H, Tanha RR, Derakhshanrad N, Soltaninejad MJ. Acute presentation of third ventricular cavernous malformation following COVID-19 infection in a pregnant woman: A case report. Neurochirurgie 2021; 68:228-231. [PMID: 33771616 PMCID: PMC7986468 DOI: 10.1016/j.neuchi.2021.03.010] [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: 12/20/2020] [Revised: 03/03/2021] [Accepted: 03/06/2021] [Indexed: 01/06/2023]
Abstract
Background Cerebral cavernous malformation (CCM) in third ventricular area may become symptomatic relatively rarely, secondary to hemorrhage and growth or rupture into the ventricle, causing obstructive hydrocephalus, during third trimester of pregnancy. Case description A 34+4 weeks pregnant (G4P1A2) lady was admitted to one of our satellite hospitals with one-week history of severe headache, blurred vision, nausea, vomiting, and right-sided facial numbness. At presentation, she had sudden decreased level of consciousness with Glasgow Coma Scale (GCS) equal to 4, and bilateral fixed pupils. A brain computed tomography (CT) showed enlargement of both lateral ventricles with 2.5 cm sized round hemorrhagic lesion at the right posterior thalamic region. After medical stabilization and placement of an external ventricular drain (EVD), the patient was referred for neurosurgical intervention. Magnetic resonance imaging (MRI) revealed a cavernous hemangioma adjacent to the right posterior wall of the third ventricle. After cesarean section and anterior interhemispheric trans-callosal approach, the mass was removed totally. However, on third postoperative day, she experienced mild hypoxia and dyspnea with fever. Chest CT-scan of the patient showed bilateral consolidation. Thereafter, COVID-19 was confirmed subsequently with positive nasopharyngeal swab testing for RT-PCR. The patient was treated as COVID-19 infection and symptoms improved on day 10 of the treatment and completely recovered. Conclusions COVID-19 may promote ICH from CCM leading to obstructive hydrocephalous in our patient.
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Affiliation(s)
- H Saberi
- Department of neurosurgery, Imam Khomeini hospital, Tehran University of medical sciences, Keshavarz boulevard, Tehran, Iran.
| | - R R Tanha
- Department of neurosurgery, Imam Khomeini hospital, Tehran University of medical sciences, Keshavarz boulevard, Tehran, Iran
| | - N Derakhshanrad
- Department of neurosurgery, Imam Khomeini hospital, Tehran University of medical sciences, Keshavarz boulevard, Tehran, Iran
| | - M J Soltaninejad
- Department of neurosurgery, Imam Khomeini hospital, Tehran University of medical sciences, Keshavarz boulevard, Tehran, Iran
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Li D, Wu ZY, Liu PP, Ma JP, Huo XL, Wang L, Zhang LW, Wu Z, Zhang JT. Natural history of brainstem cavernous malformations: prospective hemorrhage rate and adverse factors in a consecutive prospective cohort. J Neurosurg 2021; 134:917-928. [PMID: 32168479 DOI: 10.3171/2019.12.jns192856] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 12/30/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Given the paucity of data on the natural history of brainstem cavernous malformations (CMs), the authors aimed to evaluate the annual hemorrhage rate and hemorrhagic risk of brainstem CMs. METHODS Nine hundred seventy-nine patients diagnosed with brainstem CMs were referred to Beijing Tiantan Hospital from 2006 to 2015; 224 patients were excluded according to exclusion criteria, and 47 patients were lost to follow-up. Thus, this prospective observational cohort included 708 cases (324 females). All patients were registered, clinical data were recorded, and follow-up was completed. RESULTS Six hundred ninety (97.5%) of the 708 patients had a prior hemorrhage, 514 (72.6%) had hemorrhagic presentation, and developmental venous anomaly (DVA) was observed in 241 cases (34.0%). Two hundred thirty-seven prospective hemorrhages occurred in 175 patients (24.7%) during 3400.2 total patient-years, yielding a prospective annual hemorrhage rate of 7.0% (95% CI 6.2%-7.9%), which decreased to 4.7% after the 1st year. Multivariate Cox regression analysis after adjusting for sex and age identified hemorrhagic presentation (HR 1.574, p = 0.022), DVA (HR 1.678, p = 0.001), mRS score ≥ 2 on admission (HR 1.379, p = 0.044), lesion size > 1.5 cm (HR 1.458, p = 0.026), crossing the axial midpoint (HR 1.446, p = 0.029), and superficially seated location (HR 1.307, p = 0.025) as independent adverse factors for prospective hemorrhage, but history of prior hemorrhage was not significant. The annual hemorrhage rates were 8.3% and 4.3% in patients with and without hemorrhagic presentation, respectively; the rate was 9.9%, 6.0%, and 1.0% in patients with ≥ 2, only 1, and 0 prior hemorrhages, respectively; and the rate was 9.2% in patients with both hemorrhagic presentation and focal neurological deficit on admission. CONCLUSIONS The study reported an annual hemorrhage rate of 7.0% exclusively for brainstem CMs, which significantly increased if patients presented with both hemorrhagic presentation and focal neurological deficit (9.2%), or any other risk factor. Patients with a risk factor for hemorrhage needed close follow-up regardless of the number of prior hemorrhages. It should be noted that the referral bias in this study could have overestimated the annual hemorrhage rate. This study improved the understanding of the natural history of brainstem CMs, and the results are important for helping patients and physicians choose a suitable treatment option based on the risk factors and stratified annual rates.Clinical trial registration no.: ChiCTR-POC-17011575 (http://www.chictr.org.cn/).
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Affiliation(s)
- Da Li
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing; and
| | - Ze-Yu Wu
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing; and
| | - Pan-Pan Liu
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing; and
- 2Department of Neurosurgery, The Municipal Hospital of Weihai, People's Republic of China
| | - Jun-Peng Ma
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing; and
| | - Xu-Lei Huo
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing; and
| | - Liang Wang
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing; and
| | - Li-Wei Zhang
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing; and
| | - Zhen Wu
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing; and
| | - Jun-Ting Zhang
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing; and
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Carrión-Penagos J, Zeineddine HA, Polster SP, Girard R, Lyne SB, Koskimäki J, Romanos S, Srinath A, Zhang D, Cao Y, Stadnik A, Piedad K, Shenkar R, Awad IA. Subclinical imaging changes in cerebral cavernous angiomas during prospective surveillance. J Neurosurg 2021; 134:1147-1154. [PMID: 32244216 PMCID: PMC7541547 DOI: 10.3171/2020.1.jns193479] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 01/28/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The purpose of this study was to systematically assess asymptomatic changes (ACs), including subclinical hemorrhage, growth, or new lesion formation (NLF) during longitudinal follow-up of cerebral cavernous angiomas (CAs), and to correlate these with symptomatic hemorrhage (SH) during the same period and with clinical features of the disease. METHODS One hundred ninety-two patients were included in this study, among 327 consecutive patients with CA, prospectively identified between September 2009 and February 2019. Included patients had undergone clinical and MRI follow-up, in conjunction with institutional review board-approved biomarker studies, and harbored ≥ 1 CA with a maximum diameter of ≥ 5 mm on T2-weighted MRI. Rates of AC and SH per lesion-year and patient-year were assessed using prospectively articulated criteria. In multifocal/familial cases, rates of NLF were also assessed. RESULTS There were no differences in demographic or disease features among cases included or excluded in the study cohort, except for a higher proportion of included patients with CCM3 mutation. Follow-up was 411 patient-years (2503 lesion-years). The rate of AC was higher than the rate of SH (12.9% vs 7.5% per patient-year, and 2.1% vs 1.2% per lesion-year, both p = 0.02). Patients presenting with a prior history of SH had a higher rate of AC than those with other forms of presentation (19.7% and 8.2% per patient-year, respectively; p = 0.003). A higher rate of NLF on T2-weighted MRI (p = 0.03) was observed in patients with prior SH. Three of 6 solitary/sporadic and 2 of 28 multifocal/familial patients underwent resection of the lesion after AC. CONCLUSIONS Rates of AC are greater than SH during prospective follow-up of CAs, and greater in cases with prior SH. AC may be a more sensitive biomarker of lesional activity, and a more efficient surrogate outcome in clinical trials than SH. Patients experiencing an AC are more likely to undergo a surgical intervention when CAs are solitary/sporadic than when they are multifocal/familial.
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50
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Schuss P, Marx J, Borger V, Brandecker S, Güresir Á, Hadjiathanasiou A, Hamed M, Schneider M, Surges R, Vatter H, Güresir E. Cavernoma-related epilepsy in cavernous malformations located within the temporal lobe: surgical management and seizure outcome. Neurosurg Focus 2021; 48:E6. [PMID: 32234980 DOI: 10.3171/2020.1.focus19920] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 01/23/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Cavernoma-related epilepsy (CRE) is a frequent symptom in patients with cerebral cavernous malformations (CCMs). Reports on surgical management and seizure outcome of epileptogenic CCM often focus on intracranial cavernoma in general. Therefore, data on CCMs within the temporal lobe are scarce. The authors therefore analyzed their institutional data. METHODS From 2003 to 2018, 52 patients suffering from CCMs located within the temporal lobe underwent surgery for CRE at University Hospital Bonn. Information on patient characteristics, preoperative seizure history, preoperative evaluation, surgical strategies, postoperative complications, and seizure outcome was assessed and further analyzed. Seizure outcome was assessed 12 months after surgery according to the International League Against Epilepsy (ILAE) classification and stratified into favorable (ILAE class I) versus unfavorable (ILAE classes II-VI). RESULTS Overall, 47 (90%) of 52 patients with CCMs located in the temporal lobe and CRE achieved favorable seizure outcome. Pure lesionectomy was performed in 5 patients, extended lesionectomy with resection of the hemosiderin rim in 38 patients, and anterior temporal lobectomy in 9 patients with temporal lobe CCM. Specifically, 36 patients (69%) suffered from drug-resistant epilepsy (DRE), 3 patients (6%) from chronic CRE, and 13 patients (25%) sustained sporadic CRE. In patients with DRE, favorable seizure outcome was achieved in 32 (89%) of 36 patients. Patients with DRE were significantly older than patients with CCM-associated chronic or sporadic seizures (p = 0.02). Furthermore, patients with DRE more often underwent additional amygdalohippocampectomy following the recommendation of presurgical epileptological evaluation. CONCLUSIONS Favorable seizure outcome is achievable in a substantial number of patients with epileptogenic CCM located in the temporal lobe, even if patients suffered from drug-resistant CRE. For adequate counseling and monitoring, patients with CRE should undergo a thorough pre- and postsurgical evaluation in dedicated epilepsy surgery programs.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Rainer Surges
- 2Epileptology, Rheinische Friedrich-Wilhelms-University, Bonn, Germany
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