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García M, Amayra I, Pérez M, Salgueiro M, Martínez O, López-Paz JF, Allen PA. Cognition in Chiari Malformation Type I: an Update of a Systematic Review. Neuropsychol Rev 2023:10.1007/s11065-023-09622-2. [PMID: 37798373 DOI: 10.1007/s11065-023-09622-2] [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: 03/31/2023] [Accepted: 09/26/2023] [Indexed: 10/07/2023]
Abstract
Chiari malformation has been classified as a group of posterior cranial fossa disorders characterized by hindbrain herniation. Chiari malformation type I (CM-I) is the most common subtype, ranging from asymptomatic patients to those with severe disorders. Research about clinical manifestations or medical treatments is still growing, but cognitive functioning has been less explored. The aim of this systematic review is to update the literature search about cognitive deficits in CM-I patients. A literature search was performed through the following electronic databases: MEDLINE, PsychINFO, Pubmed, Cochrane Library, Scopus, and Web of Science. The date last searched was February 1, 2023. The inclusion criteria were as follows: (a) include pediatric or adult participants with a CM-I diagnosis, (b) include cognitive or neuropsychological assessment with standardized tests, (c) be published in English or Spanish, and (d) be empirical studies. Articles that did not report empirical data, textbooks and conference abstracts were excluded. After the screening, twenty-eight articles were included in this systematic review. From those, twenty-one articles were focused on adult samples and seven included pediatric patients. There is a great heterogeneity in the recruited samples, followed methodology and administered neurocognitive protocols. Cognitive functioning appears to be affected in CM-I patients, at least some aspects of attention, executive functions, visuospatial abilities, episodic memory, or processing speed. However, these results require careful interpretation due to the methodological limitations of the studies. Although it is difficult to draw a clear profile of cognitive deficits related to CM-I, the literature suggests that cognitive dysfunction may be a symptom of CM-I. This suggest that clinicians should include cognitive assessment in their diagnostic procedures used for CM-I. In summary, further research is needed to determine a well-defined cognitive profile related to CM-I, favoring a multidisciplinary approach of this disorder.
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Affiliation(s)
- Maitane García
- Department of Psychology, Faculty of Health Sciences, Neuro-E-Motion Research Team, University of Deusto, Bilbao, Spain.
| | - Imanol Amayra
- Department of Psychology, Faculty of Health Sciences, Neuro-E-Motion Research Team, University of Deusto, Bilbao, Spain
| | - Manuel Pérez
- Department of Psychology, Faculty of Health Sciences, Neuro-E-Motion Research Team, University of Deusto, Bilbao, Spain
- Faculty of Health Sciences, Isabel I University, Burgos, Spain
| | - Monika Salgueiro
- Department of Clinical and Health Psychology, and Research Methodology, Faculty of Psychology, University of the Basque Country, Donostia, Spain
| | - Oscar Martínez
- Department of Psychology, Faculty of Health Sciences, Neuro-E-Motion Research Team, University of Deusto, Bilbao, Spain
| | - Juan Francisco López-Paz
- Department of Psychology, Faculty of Health Sciences, Neuro-E-Motion Research Team, University of Deusto, Bilbao, Spain
| | - Philip A Allen
- Conquer Chiari Research Center, Department of Psychology, University of Akron, Akron, OH, USA
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Spina A, Mortini P. In Reply to the Letter to the Editor Regarding "The Dark Side of Chiari Malformation". World Neurosurg 2023; 178:281. [PMID: 37803672 DOI: 10.1016/j.wneu.2023.08.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 08/05/2023] [Indexed: 10/08/2023]
Affiliation(s)
- Alfio Spina
- Department of Neurosurgery and Gamma Knife Radiosurgery, I.R.C.C.S. San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy.
| | - Pietro Mortini
- Department of Neurosurgery and Gamma Knife Radiosurgery, I.R.C.C.S. San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
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Spina A, Mortini P. The Dark Side of Chiari Malformation. World Neurosurg 2023; 172:43-45. [PMID: 36746237 DOI: 10.1016/j.wneu.2023.01.112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 02/07/2023]
Affiliation(s)
- Alfio Spina
- Department of Neurosurgery and Gamma Knife Radiosurgery, I.R.C.C.S. San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy.
| | - Pietro Mortini
- Department of Neurosurgery and Gamma Knife Radiosurgery, I.R.C.C.S. San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
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Labuda R, Loth D, Loth F, Allen PA. Pain and Depression Account for More Than One Half of the Neck Disability Variance Among Adult Women with Chiari I. World Neurosurg 2023; 171:e478-e485. [PMID: 36526226 DOI: 10.1016/j.wneu.2022.12.046] [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: 09/09/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVE We sought to quantify the neck-related disability in adult women with Chiari malformation type I and identify the significantly related variables. METHODS A total of 70 variables were selected from the self-report history questionnaires (12 variables; n = 474), standardized scales (15 variables; n = 474), and morphometric data (43 variables; n = 293-474) of adult women with Chiari malformation type I. The variables were tested independently to identify those with a significant relationship to the Neck Disability Index (NDI; P < 0.00071) and those that might be associated with the NDI (P < 0.05). A forward selection regression model was constructed to identify the variables contributing unique variance to the NDI. In addition, a mediation analysis was performed to determine whether depression mediated the relationship between pain and disability. RESULTS Overall, 79.5% of the patients had scored at a moderate level of disability or higher. Independent testing identified 16 significant variables, including symptom duration, tonsillar position, and measures of psychological distress. The short-form McGill pain questionnaire-2 (r = 0.69; P < 0.00001) and CES-D scale for depression (r = 0.56; P < 0.00001) exhibited the highest correlations with the NDI. The forward selection regression model produced an R2 of 0.6178. Pain and depression accounted for more than one half of the NDI variance. CONCLUSIONS We found that high levels of disability are common among adult women with Chiari malformation type I, independent of surgical status. Pain and depression were the primary factors related to this disability. Depression mediated the relationship between pain intensity and disability at a modest level (5%). Patients who had experienced symptoms for >2 years before diagnosis had had, on average, 77% higher NDI scores, highlighting the importance of a timely diagnosis.
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Affiliation(s)
| | - Dorothy Loth
- Conquer Chiari Research Center, Department of Psychology, The University of Akron, Akron, Ohio, USA
| | - Francis Loth
- Department of Mechanical and Industrial Engineering, Department of Bioengineering, Northeastern University, Boston, Massachusetts, USA
| | - Philip A Allen
- Conquer Chiari Research Center, Department of Psychology, The University of Akron, Akron, Ohio, USA
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Yılmaz Y, Karademir M, Caygın T, Yağcıoğlu OK, Özüm Ü, Kuğu N. Executive Functions, Intellectual Capacity, and Psychiatric Disorders in Adults with Type 1 Chiari Malformation. World Neurosurg 2022; 168:e607-e612. [DOI: 10.1016/j.wneu.2022.10.058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 10/17/2022] [Indexed: 11/08/2022]
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Influence of Pain on Cognitive Dysfunction and Emotion Dysregulation in Chiari Malformation Type I. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1378:155-178. [DOI: 10.1007/978-3-030-99550-8_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Seaman SC, Streese CD, Manzel K, Kamm J, Menezes AH, Tranel D, Dlouhy BJ. Cognitive and Psychological Functioning in Chiari Malformation Type I Before and After Surgical Decompression - A Prospective Cohort Study. Neurosurgery 2021; 89:1087-1096. [PMID: 34662899 DOI: 10.1093/neuros/nyab353] [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: 01/19/2021] [Accepted: 07/31/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Chiari Malformation Type I (CM-I) is defined as cerebellar tonsil displacement more than 5 mm below the foramen magnum. This displacement can alter cerebrospinal fluid flow at the cervicomedullary junction resulting in Valsalva-induced headaches and syringomyelia and compress the brainstem resulting in bulbar symptoms. However, little is known about cognitive and psychological changes in CM-I. OBJECTIVE To prospectively assess cognitive and psychological performance in CM-I and determine whether changes occur after surgical decompression. METHODS Blinded evaluators assessed symptomatic CM-I patients ages ≥18 with a battery of neuropsychological and psychological tests. Testing was conducted preoperatively and 6 to 18 mo postoperatively. Data were converted to Z-scores based on normative data, and t-tests were used to analyze pre-post changes. RESULTS A total of 26 patients were included, with 19 completing both pre- and post-op cognitive assessments. All patients had resolution of Valsalva-induced headaches and there was improvement in swallowing dysfunction (P < .0001), ataxia (P = .008), and sleep apnea (P = .021). Baseline performances in visual perception and construction (z = -1.11, P = .001) and visuospatial memory (z = -0.93, P = .002) were below average. Pre-post comparisons showed that CM-I patients had stable cognitive and psychological functioning after surgery, without significant changes from preoperative levels. CONCLUSION CM-I patients had below average performance in visuospatial and visuoconstructional abilities preoperatively. Prospective longitudinal data following surgery demonstrated improved neurologic status without any decline in cognition or psychological functioning. Routine pre- and postoperative formal neuropsychological assessment in CM-I patients help quantify cognitive and behavioral changes associated with surgical decompression.
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Affiliation(s)
- Scott C Seaman
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, University of Iowa Stead Family Children's Hospital, Iowa City, Iowa, USA
| | - Carolina Deifelt Streese
- Department of Neurology, University of Iowa Hospitals and Clinics, University of Iowa Stead Family Children's Hospital, Iowa City, Iowa, USA
| | - Kenneth Manzel
- Department of Neurology, University of Iowa Hospitals and Clinics, University of Iowa Stead Family Children's Hospital, Iowa City, Iowa, USA
| | - Janina Kamm
- Department of Clinical Psychology, The Chicago School of Professional Psychology, Chicago, Illinois, USA
| | - Arnold H Menezes
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, University of Iowa Stead Family Children's Hospital, Iowa City, Iowa, USA
| | - Daniel Tranel
- Department of Neurology, University of Iowa Hospitals and Clinics, University of Iowa Stead Family Children's Hospital, Iowa City, Iowa, USA.,Iowa Neuroscience Institute, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA.,Department of Psychological and Brain Sciences, University of Iowa College of Liberal Arts and Sciences, Iowa City, Iowa, USA
| | - Brian J Dlouhy
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, University of Iowa Stead Family Children's Hospital, Iowa City, Iowa, USA.,Pappajohn Biomedical Institute, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA.,Iowa Neuroscience Institute, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
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Houston ML, Houston JR, Sakaie K, Klinge PM, Vorster S, Luciano M, Loth F, Allen PA. Functional connectivity abnormalities in Type I Chiari: associations with cognition and pain. Brain Commun 2021; 3:fcab137. [PMID: 34278303 PMCID: PMC8279071 DOI: 10.1093/braincomms/fcab137] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 04/13/2021] [Accepted: 06/11/2021] [Indexed: 12/30/2022] Open
Abstract
There is initial evidence of microstructural abnormalities in the fibre-tract pathways of the cerebellum and cerebrum of individuals diagnosed with Type I Chiari malformation. However, it is unclear whether abnormal white matter architecture and macro-level morphological deviations that have been observed in Chiari translate to differences in functional connectivity. Furthermore, common symptoms of Chiari include pain and cognitive deficits, but the relationship between these symptoms and functional connectivity has not been explored in this population. Eighteen Type I Chiari patients and 18 age-, sex- and education-matched controls underwent resting-state functional MRI to measure functional connectivity. Participants also completed a neuropsychological battery and completed self-report measures of chronic pain. Group differences in functional connectivity were identified. Subsequently, pathways of significant difference were re-analyzed after controlling for the effects of attention performance and self-reported chronic pain. Chiari patients exhibited functional hypoconnectivity between areas of the cerebellum and cerebrum. Controlling for attention eliminated all deficits with the exception of that from the posterior cerebellar pathway. Similarly, controlling for pain also eliminated deficits except for those from the posterior cerebellar pathway and vermis VII. Patterns of Chiari hyperconnectivity were also found between regions of the cerebellum and cerebrum in Chiari patients. Hyperconnectivity in all regions was eliminated after controlling for attention except between left lobule VIII and the left postcentral gyrus and between vermis IX and the precuneus. Similarly, hyperconnectivity was eliminated after controlling for pain except between the default mode network and globus pallidus, left lobule VIII and the left postcentral gyrus, and Vermis IX and the precuneus. Evidence of both hyper- and hypoconnectivity were identified in Chiari, which is posited to support the hypothesis that the effect of increased pain in Chiari draws on neural resources, requiring an upregulation in inhibitory control mechanisms and resulting in cognitive dysfunction. Areas of hypoconnectivity in Chiari patients also suggest disruption in functional pathways, and potential mechanisms are discussed.
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Affiliation(s)
- Michelle L Houston
- Department of Psychology, The University of Akron, Akron, OH 44325, USA
- Department of Psychology, Middle Tennessee State University, Murfreesboro, TN 37132, USA
| | - James R Houston
- Department of Psychology, Middle Tennessee State University, Murfreesboro, TN 37132, USA
| | - Ken Sakaie
- Department of Diagnostic Radiology, The Cleveland Clinic, Cleveland, OH 44195, USA
| | - Petra M Klinge
- Department of Neurosurgery, Rhode Island Hospital, and Warren Alpert Medical School, Brown University, Providence, RI 02903, USA
| | - Sarel Vorster
- Department of Neurological Surgery, The Cleveland Clinic, Cleveland, OH 44195, USA
| | - Mark Luciano
- Department of Neurosurgery, Johns Hopkins Medical Center, Baltimore, MD 21224, USA
| | - Francis Loth
- Department of Biomedical Engineering, The University of Akron, Akron, OH 44325, USA
- Department of Mechanical Engineering, The University of Akron, Akron, OH 44325, USA
| | - Philip A Allen
- Department of Psychology, The University of Akron, Akron, OH 44325, USA
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García M, Eppelheimer MS, Houston JR, Houston ML, Nwotchouang BST, Kaut KP, Labuda R, Bapuraj JR, Maleki J, Klinge PM, Vorster S, Luciano MG, Loth F, Allen PA. Adult Age Differences in Self-Reported Pain and Anterior CSF Space in Chiari Malformation. THE CEREBELLUM 2021; 21:194-207. [PMID: 34106419 DOI: 10.1007/s12311-021-01289-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/27/2021] [Indexed: 11/30/2022]
Abstract
Chiari malformation type I (CMI) is a neural disorder with sensory, cognitive, and motor defects, as well as headaches. Radiologically, the cerebellar tonsils extend below the foramen magnum. To date, the relationships among adult age, brain morphometry, surgical status, and symptom severity in CMI are unknown. The objective of this study was to better understand the relationships among these variables using causal modeling techniques. Adult CMI patients (80% female) who either had (n = 150) or had not (n = 151) undergone posterior fossa decompression surgery were assessed using morphometric measures derived from magnetic resonance images (MRI). MRI-based morphometry showed that the area of the CSF pocket anterior to the cervico-medullary junction (anterior CSF space) correlated with age at the time of MRI (r = - .21). Also, self-reported pain increased with age (r = .11) and decreased with anterior CSF space (r = - .18). Age differences in self-reported pain were mediated by anterior CSF space in the cervical spine area-and this effect was particularly salient for non-decompressed CMI patients. As CMI patients age, the anterior CSF space decreases, and this is associated with increased pain-especially for non-decompressed CMI patients. It is recommended that further consideration of age-related decreases in anterior CSF space in CMI patients be given in future research.
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Affiliation(s)
- Maitane García
- Faculty of Psychology and Education, University of Deusto, Bilbao, Spain
| | - Maggie S Eppelheimer
- Department of Biomedical Engineering, College of Engineering, The University of Akron, Akron, OH, USA
| | - James R Houston
- Department of Psychology, Middle Tennessee State University, Murfreesboro, TN, USA
| | - Michelle L Houston
- Department of Psychology, The University of Akron, Akron, OH, 44325-4301, USA
| | | | - Kevin P Kaut
- Department of Psychology, The University of Akron, Akron, OH, 44325-4301, USA
| | | | - J Rajiv Bapuraj
- Department of Radiology, Division of Neuroradiology, University of Michigan Health System, Ann Arbor, MI, USA
| | - Jahangir Maleki
- Department of Neurology, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Petra M Klinge
- Department of Neurosurgery, Rhode Island Hospital, Warren Alpert Medical School Brown University, Providence, RI, USA
| | - Sarel Vorster
- Department of Neurological Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Mark G Luciano
- Department of Neurosurgery, Johns Hopkins Medical Center, Baltimore, MD, USA
| | - Francis Loth
- Department of Biomedical Engineering, College of Engineering, The University of Akron, Akron, OH, USA.,Department of Mechanical Engineering, College of Engineering, The University of Akron, Akron, OH, USA
| | - Philip A Allen
- Department of Psychology, The University of Akron, Akron, OH, 44325-4301, USA.
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Houston JR, Hughes ML, Bennett IJ, Allen PA, Rogers JM, Lien MC, Stoltz H, Sakaie K, Loth F, Maleki J, Vorster SJ, Luciano MG. Evidence of Neural Microstructure Abnormalities in Type I Chiari Malformation: Associations Among Fiber Tract Integrity, Pain, and Cognitive Dysfunction. PAIN MEDICINE 2021; 21:2323-2335. [PMID: 32388548 DOI: 10.1093/pm/pnaa094] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
BACKGROUND Previous case-control investigations of type I Chiari malformation (CMI) have reported cognitive deficits and microstructural white matter abnormalities, as measured by diffusion tensor imaging (DTI). CMI is also typically associated with pain, including occipital headache, but the relationship between pain symptoms and microstructure is not known. METHODS Eighteen CMI patients and 18 adult age- and education-matched control participants underwent DTI, were tested using digit symbol coding and digit span tasks, and completed a self-report measure of chronic pain. Tissue microstructure indices were used to examine microstructural abnormalities in CMI as compared with healthy controls. Group differences in DTI parameters were then reassessed after controlling for self-reported pain. Finally, DTI parameters were correlated with performance on the digit symbol coding and digit span tasks within each group. RESULTS CMI patients exhibited greater fractional anisotropy (FA), lower radial diffusivity, and lower mean diffusivity in multiple brain regions compared with controls in diffuse white matter regions. Group differences no longer existed after controlling for self-reported pain. A significant correlation between FA and the Repeatable Battery for the Assessment of Neuropsychological Status coding performance was observed for controls but not for the CMI group. CONCLUSIONS Diffuse microstructural abnormalities appear to be a feature of CMI, manifesting predominantly as greater FA and less diffusivity on DTI sequences. These white matter changes are associated with the subjective pain experience of CMI patients and may reflect reactivity to neuroinflammatory responses. However, this hypothesis will require further deliberate testing in future studies.
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Affiliation(s)
- James R Houston
- Department of Psychology, Middle Tennessee State University, Murfreesboro, Tennessee
| | | | - Ilana J Bennett
- Department of Psychology, University of California, Riverside, California, USA
| | - Philip A Allen
- Department of Psychology, University of Akron, Akron, Ohio
| | - Jeffrey M Rogers
- Faculty of Health Sciences, University of Sydney, Sydney, Australia
| | - Mei-Ching Lien
- School of Psychological Science, Oregon State University, Corvallis, Oregon
| | - Haylie Stoltz
- Department of Psychology, Middle Tennessee State University, Murfreesboro, Tennessee
| | - Ken Sakaie
- Department of Diagnostic Radiology, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Francis Loth
- Department of Mechanical Engineering, University of Akron, Akron, Ohio
| | - Jahangir Maleki
- Center for Neuro-Restoration, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Sarel J Vorster
- Department of Neurological Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Mark G Luciano
- Department of Neurosurgery, Johns Hopkins Medical Center, Baltimore, Maryland, USA
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Social Cognition in Chiari Malformation Type I: a Preliminary Characterization. THE CEREBELLUM 2021; 19:392-400. [PMID: 32048182 DOI: 10.1007/s12311-020-01117-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Chiari malformation type I (CM-I) is a neurological disorder in which cerebellar tonsils are herniated through the foramen magnum into the spinal canal. A wide spectrum of cognitive deficits underlying this pathology has been reported, but the literature about social cognition is insufficient. Clinical research has pointed out the cerebellar role in Theory of Mind (ToM), indicating that there are several disorders with cerebellar pathology that reveal a poorer performance in social cognition tasks. The main purpose of this study is to compare the performance on ToM tasks between CM-I patients and healthy controls. The protocol includes Faux Pas test, Happé's Strange Stories test, Ice-Cream Van task, the FEEL test, and the Word Accentuation Test. In order to eliminate the possible influence of covariables, physical pain and anxious-depressive symptomatology have been controlled for. According to the results, CM-I patients performed worse than matched healthy controls on ToM tasks, except for facial emotion recognition. These differences remained even after controlling for the neuropsychiatric variables and physical pain. Thus, it can be suggested that patients with CM-I are impaired in their social skills related to their performance on ToM tasks. These findings can be considered to be a preliminary approach to the specific study of social cognition in relation to CM-I since it is similar to other cerebellar pathologies and to previous literature on the cerebellum's role in social cognition.
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Surgery and neuropsychological functions changes in Chiari I malformation: two faces of the same medal? Acta Neurochir (Wien) 2020; 162:1583-1584. [PMID: 31114931 DOI: 10.1007/s00701-019-03900-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 03/28/2019] [Indexed: 10/26/2022]
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Seaman SC, Dawson JD, Magnotta V, Menezes AH, Dlouhy BJ. Fourth Ventricle Enlargement in Chiari Malformation Type I. World Neurosurg 2019; 133:e259-e266. [PMID: 31513955 DOI: 10.1016/j.wneu.2019.08.230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/28/2019] [Accepted: 08/29/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVE How Chiari malformation type I (CM-I) affects posterior fossa brain structures and produces various symptoms remains unclear. The fourth ventricle is surrounded by critical structures required for normal function. The foramen of Magendie can be obstructed in CM-I; therefore, fourth ventricle changes may occur. To test this hypothesis, we assessed fourth ventricle volume in CM-I compared with healthy controls. METHODS Using our database from 2007-2016, we studied 72 patients with CM-I and 30 age-matched healthy control subjects. Fourth and lateral ventricle volumes and posterior fossa volumes (PFV) were assessed and correlated with clinical signs and symptoms. Statistical analysis was performed. RESULTS Patients with CM-I had larger fourth ventricle volumes compared with control subjects (1.31 vs. 0.95 mL; P = 0.012). There were no differences in lateral ventricle volume or PFV. CM-I fourth ventricle volume was associated with tonsillar descent (P = 0.030). CM-I fourth ventricle volume variance was larger than healthy controls (F71,29 = 8.33; P < 0.0001). Patients with CM-I with severe signs and symptoms had a significantly larger fourth ventricle than patients with CM-I with mild signs and symptoms (1.565 vs. 1.015 mL; P = 0.0002). CONCLUSIONS The fourth ventricle can be enlarged in CM-I independent of lateral ventricle size and is associated with greater tonsillar descent. Most importantly, fourth ventricle enlargement was associated with a worse clinical and radiographic presentation independent of PFV. Fourth ventricle enlargement can affect critical structures and may be a mechanism contributing to symptoms unexplained by tonsil descent. Fourth ventricle enlargement is a useful adjunct in assessing CM-I.
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Affiliation(s)
- Scott C Seaman
- Departments of Neurosurgery, University of Iowa Hospitals and Clinics, University of Iowa Stead Family Children's Hospital, Iowa City, Iowa, USA
| | - Jeffrey D Dawson
- Department of Biostatistics, College of Public Health, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Vincent Magnotta
- Department of Radiology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Arnold H Menezes
- Departments of Neurosurgery, University of Iowa Hospitals and Clinics, University of Iowa Stead Family Children's Hospital, Iowa City, Iowa, USA
| | - Brian J Dlouhy
- Departments of Neurosurgery, University of Iowa Hospitals and Clinics, University of Iowa Stead Family Children's Hospital, Iowa City, Iowa, USA; Pappajohn Biomedical Institute, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA; Iowa Neuroscience Institute, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA.
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García M, Lázaro E, Amayra I, López-Paz JF, Martínez O, Pérez M, Berrocoso S, Al-Rashaida M, Infante J. Analysis of Visuospatial Abilities in Chiari Malformation Type I. THE CEREBELLUM 2019; 19:6-15. [PMID: 31286383 DOI: 10.1007/s12311-019-01056-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The involvement of the cerebellum in visuospatial abilities has been evidenced in numerous studies, based on the cerebellar-cortical circuitry. This domain has been evaluated in several patients with cerebellar disorders, but the assessment of visuospatial processing in Chiari malformation type I (CM-I) is scarce. The aim of this study is to analyze the visuospatial performance between CM-I adult patients and healthy controls. Participants have been tested using Block Design and Visual Puzzles subtests of the Wechsler Adult Intelligence Scale (WAIS), the Benton Judgment of Line Orientation test, and the Rey-Osterrieth Complex Figure test. The anxious-depressive symptomatology, the physical pain, and the premorbid intelligence have been controlled for, as well. The CM-I patients showed a significantly lower performance; however, after analyzing and controlling for the effect of clinical variables and psychopathological symptomatology, the main effect was maintained for visual puzzles and line orientation tasks. The findings suggest that CM-I patients show a poorer performance in tasks that require an exercise of perceptual reasoning without motor demand, accompanied by visualization and mental imagery of the stimuli. This study contributes towards the reinforcement of the evidence on the cognitive alterations associated to CM-I.
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Affiliation(s)
- Maitane García
- Neuro-e-Motion Research Team, Faculty of Psychology and Education, University of Deusto, Av. Universidades 24, 48007, Bilbao, Spain.
| | - Esther Lázaro
- Neuro-e-Motion Research Team, Faculty of Psychology and Education, University of Deusto, Av. Universidades 24, 48007, Bilbao, Spain
| | - Imanol Amayra
- Neuro-e-Motion Research Team, Faculty of Psychology and Education, University of Deusto, Av. Universidades 24, 48007, Bilbao, Spain
| | - Juan Francisco López-Paz
- Neuro-e-Motion Research Team, Faculty of Psychology and Education, University of Deusto, Av. Universidades 24, 48007, Bilbao, Spain
| | - Oscar Martínez
- Neuro-e-Motion Research Team, Faculty of Psychology and Education, University of Deusto, Av. Universidades 24, 48007, Bilbao, Spain
| | - Manuel Pérez
- Neuro-e-Motion Research Team, Faculty of Psychology and Education, University of Deusto, Av. Universidades 24, 48007, Bilbao, Spain
| | - Sarah Berrocoso
- Neuro-e-Motion Research Team, Faculty of Psychology and Education, University of Deusto, Av. Universidades 24, 48007, Bilbao, Spain
| | - Mohammad Al-Rashaida
- Neuro-e-Motion Research Team, Faculty of Psychology and Education, University of Deusto, Av. Universidades 24, 48007, Bilbao, Spain
| | - Jon Infante
- Neurology Service, University Hospital Marqués de Valdecilla, IDIVAL, University of Cantabria, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas-CIBERNED, Santander, Spain
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Lacy M, Parikh S, Costello R, Bolton C, Frim DM. Neurocognitive Functioning in Unoperated Adults with Chiari Malformation Type I. World Neurosurg 2019; 126:e641-e645. [DOI: 10.1016/j.wneu.2019.02.105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 02/17/2019] [Accepted: 02/18/2019] [Indexed: 10/27/2022]
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16
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García M, Amayra I, Lázaro E, López-Paz JF, Martínez O, Pérez M, Berrocoso S, Al-Rashaida M. Comparison between decompressed and non-decompressed Chiari Malformation type I patients: A neuropsychological study. Neuropsychologia 2018; 121:135-143. [DOI: 10.1016/j.neuropsychologia.2018.11.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 10/29/2018] [Accepted: 11/04/2018] [Indexed: 12/09/2022]
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