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https://www.readbyqxmd.com/read/28093369/rehabilitation-of-the-pontine-ataxia-dysmetria-syndrome-a-case-presentation
#1
Stephanie Li, Kasondra Hartman, Krishna Surapaneni, Eric L Altschuler
We present a case of a patient with significant ataxia and dysmetria following a lacunar pontine infarction and review the literature on this uncommon syndrome. The patient had an excellent clinical course with near resolution of symptoms and signs in less than three weeks. We characterize and illustrate with videos of the ataxia and dysmetria. Interestingly, the characteristics of the dysmetria appear to be different than that seen in patients with dysmetria arising from a cerebellar or thalamic lesion. We discuss the likely neurophysiologic mechanisms responsible for the condition and recovery...
January 13, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28072702/hypersomnia-due-to-injury-of-the-ventral-ascending-reticular-activating-system-following-cerebellar-herniation-a-case-report
#2
Sung Ho Jang, Chul Hoon Chang, Young Jin Jung, Hyeok Gyu Kwon
RATIONALE: We report on a patient with hypersomnia who showed injury of the lower ascending reticular activating system (ARAS) following cerebellar herniation due to a cerebellar infarct, detected on diffusion tensor tractography (DTT). PATIENT CONCERNS: A 53-year-old male patient was diagnosed as a left cerebellar infarct, and underwent decompressive suboccipital craniectomy due to brain edema at 2 days after the onset of a cerebellar infarct. Three weeks after onset when the patient started rehabilitation, he showed hypersomnia without impairment of consciousness; he fell asleep most of daytime without external stimulation and showed an abnormal score on the Epworth Sleepiness Scale: 15 (full score: 24, cut off for hypersomnia: 10)...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28039539/a-wearable-proprioceptive-stabilizer-for-rehabilitation-of-limb-and-gait-ataxia-in-hereditary-cerebellar-ataxias-a-pilot-open-labeled-study
#3
Luca Leonardi, Maria Gabriella Aceto, Christian Marcotulli, Giuseppe Arcuria, Mariano Serrao, Francesco Pierelli, Paolo Paone, Alessandro Filla, Alessandro Roca, Carlo Casali
The aim of this pilot study is to test the feasibility and effectiveness of a wearable proprioceptive stabilizer that emits focal mechanical vibrations in patients affected by hereditary cerebellar ataxias. Eleven adult patients with a confirmed genetic diagnosis of autosomal dominant spinocerebellar ataxia or Friedreich's ataxia were asked to wear an active device for 3 weeks. Assessments were performed at baseline, after the device use (T1), and 3 weeks after (T2). SARA, 9-HPT, PATA, 6MWT, and spatial and temporal gait parameters, measured with a BTS-G-Walk inertial sensor, were used as study endpoints...
December 31, 2016: Neurological Sciences
https://www.readbyqxmd.com/read/28032321/targeting-the-cerebellum-by-noninvasive-neurostimulation-a-review
#4
REVIEW
Kim van Dun, Florian Bodranghien, Mario Manto, Peter Mariën
Transcranial magnetic and electric stimulation of the brain are novel and highly promising techniques currently employed in both research and clinical practice. Improving or rehabilitating brain functions by modulating excitability with these noninvasive tools is an exciting new area in neuroscience. Since the cerebellum is closely connected with the cerebral regions subserving motor, associative, and affective functions, the cerebello-thalamo-cortical pathways are an interesting target for these new techniques...
December 28, 2016: Cerebellum
https://www.readbyqxmd.com/read/28018198/time-processing-and-motor-control-in-movement-disorders
#5
REVIEW
Laura Avanzino, Elisa Pelosin, Carmelo M Vicario, Giovanna Lagravinese, Giovanni Abbruzzese, Davide Martino
The subjective representation of "time" is critical for cognitive tasks but also for several motor activities. The neural network supporting motor timing comprises: lateral cerebellum, basal ganglia, sensorimotor and prefrontal cortical areas. Basal ganglia and associated cortical areas act as a hypothetical "internal clock" that beats the rhythm when the movement is internally generated. When timing information is processed to make predictions on the outcome of a subjective or externally perceived motor act, cerebellar processing and outflow pathways appear to be primarily involved...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27942446/voxel-based-lesion-symptom-mapping-analysis-of-depressive-mood-in-patients-with-isolated-cerebellar-stroke-a-pilot-study
#6
Na Young Kim, Sang Chul Lee, Ji-Cheol Shin, Ji Eun Park, Yong Wook Kim
Post-stroke depression (PSD) is the most common neuropsychological sequela of stroke and occurs in approximately one-third of all stroke survivors. However, there are no well-established predictors of PSD. Depression in stroke patients is correlated with unfavorable outcomes. Meta-analyses of the relationship between PSD and lesion location have yielded contradictory results and have not adequately addressed the impact of cerebellar lesions. Furthermore, other brain regions associated with depression in patients with cerebellar stroke remain a matter of debate...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27890752/delayed-development-of-aneurysms-following-gamma-knife-surgery-for-trigeminal-neuralgia-report-of-2-cases
#7
Hiroki Uchikawa, Toru Nishi, Yasuyuki Kaku, Tomoaki Goto, Jun-Ichi Kuratsu, Shigetoshi Yano
BACKGROUND: Delayed development of intracranial aneurysms is an extremely rare complication of gamma knife surgery (GKS), and so far only 6 cases have been reported. Furthermore, there are no reported cases after GKS for trigeminal neuralgia (TN). Of the above cases, none referred to the natural history or pathophysiology of GKS-related intracranial aneurysm formation. CASE DESCRIPTION: We treated 2 patients who suffered subarachnoid hemorrhage (SAH) due to ruptures of intracranial aneurysms that developed long after GKS...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27889817/paediatric-spinal-cord-infarction-a-review-of-the-literature-and-two-case-reports
#8
Asim Sheikh, Daniel Warren, Anne-Marie Childs, John Russell, Mark Liddington, Velupandian Guruswamy, Paul Chumas
Ischemic spinal cord infarction is rare in the paediatric population, and when it does occur, it is usually associated with traumatic injury. Other potential causes include congenital cardiovascular malformations, cerebellar herniation, thromboembolic disease and infection. Magnetic resonance imaging (MRI) findings can be subtle in the early evaluation of such patients. The outcome is variable and depends on the level and extent of the spinal cord infarct and subsequent rehabilitation. Here, we present two cases of ischemic spinal cord infarction in children...
November 26, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27816346/-neuro-langerhans-cell-histiocytosis
#9
Loïc Le Guennec, Nadine Martin-Duverneuil, Karima Mokhtari, Maria Santiago-Ribeiro, Eléonore Bayen, Antoine Del Cul, Daniel Delgadillo, Aurélie Kas, Carine Courtillot, Julien Haroche, Fleur Cohen, Jean Donadieu, Khê Hoang-Xuan, Ahmed Idbaih
Langerhans cell histiocytosis (LCH) is a rare multisystemic disease. LCH is characterized by proliferation of myeloid progenitors with altered differentiation program and similar phenotypic features to epidermal dendritic cells termed Langerhans cell. LCH cells express CD1a+ and langerin and exhibit BRAF V600E mutation in ∼50% of cases. Neurological involvement or neuro-LCH is observed in 5 to 10% of cases. Three subtypes of neuro-LCH are individualized. The tumor type, accounting for 45% of neuro-LCH, affect mainly young adults...
November 2, 2016: La Presse Médicale
https://www.readbyqxmd.com/read/27741268/static-posturography-and-falls-according-to-pyramidal-sensory-and-cerebellar-functional-systems-in-people-with-multiple-sclerosis
#10
Alon Kalron, Uri Givon, Lior Frid, Mark Dolev, Anat Achiron
Balance impairment is common in people with multiple sclerosis (PwMS) and frequently impacts quality of life by decreasing mobility and increasing the risk of falling. However, there are only scarce data examining the contribution of specific neurological functional systems on balance measures in MS. Therefore, the primary aim of our study was to examine the differences in posturography parameters and fall incidence according to the pyramidal, cerebellar and sensory systems functional systems in PwMS. The study included 342 PwMS, 211 women and mean disease duration of 8...
2016: PloS One
https://www.readbyqxmd.com/read/27676968/validation-and-psychometric-properties-of-the-french-version-of-the-child-and-adolescent-scale-of-participation-casp-in-a-sample-of-children-with-acquired-brain-injury
#11
Marieke Chamberon, Corinne Catale, Bernadette Kerrouche, Hanna Touré, Anne Laurent-Vannier, Dominique Brugel, Emmanuelle Pineau-Chardon, Aude Mariller, Ouarda Benkhaled, Virginie Kieffer, Miriam Beauchamp, Mathilde Chevignard
OBJECTIVE: Childhood acquired brain injury (ABI) is the leading cause of acquired disability in childhood, with significant consequences on independence, academic achievement and participation. The "Child and Adolescent Scale of Participation" (CASP; Bedell 2004) has been specifically developed to assess participation following childhood ABI. The aim of this study was to examine the psychometric properties of the French version of the Child and Adolescent Scale of Participation. MATERIAL/PATIENTS AND METHODS: Cross-sectional, monocentric study...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27673113/poster-360-acute-rehabilitation-of-a-patient-with-stiff-person-syndrome-sps-and-gad-antibody-cerebellar-ataxia-a-case-report
#12
Nicole A Strong, Nicholas F Love, Kristen M Brusky, Sara Salim
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27666158/nested-cohort-study-to-identify-characteristics-that-predict-near-term-disablement-from-lung-cancer-brain-metastases
#13
Andrea L Cheville, Jeffrey R Basford, Ian Parney, Ping Yang, Felix E Diehn
OBJECTIVE: To test whether the presence of patient- and imaging-level characteristics (1) are associated with clinically meaningful changes in mobility among patients with late-stage cancer with metastatic brain involvement, and (2) can predict their risk of near-term functional decline. DESIGN: Prospective nested cohort study. SETTING: Quaternary academic medical center. PARTICIPANTS: The study population consisted of a nested cohort of the patients with imaging-confirmed brain metastases (n=66) among a larger cohort of patients with late-stage lung cancer (N=311)...
September 22, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27582895/the-physiological-basis-of-therapies-for-cerebellar-ataxias
#14
REVIEW
Hiroshi Mitoma, Mario Manto
Cerebellar ataxias represent a group of heterogeneous disorders impacting on activities of daily living and quality of life. Various therapies have been proposed to improve symptoms in cerebellar ataxias. This review examines the physiological background of the various treatments currently administered worldwide. We analyze the mechanisms of action of drugs with a focus on aminopyridines and other antiataxic medications, of noninvasive cerebellar stimulation, and of motor rehabilitation. Considering the cerebellum as a controller, we propose the novel concept of 'restorable stage'...
September 2016: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/27552387/bilateral-vestibulopathy-aggravates-balance-and-gait-disturbances-in-sensory-ataxic-neuropathy-dysarthria-and-ophthalmoparesis-a-case-report
#15
Roeland B van Leeuwen, Bart W Smits, Richard J Rodenburg, Baziel G van Engelen
In patients with a triad of sensory ataxic neuropathy, dysarthria, and ophthalmoparesis (SANDO), the presenting features are mainly ataxia or ptosis. SANDO patients often have impaired balance and gait, which is not surprising considering the combination of sensory ataxic neuropathy, and additional symptoms like cerebellar ataxia and limb girdle weakness. We describe a SANDO patient who noticed an increasingly impaired balance and gait, without any dizziness. Neurological investigation revealed an external ophthalmeplegia and a cerebellar ataxia; the head impulse test was not reliable because of eye movement disorders...
September 2016: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/27538404/proprioceptive-localization-deficits-in-people-with-cerebellar-damage
#16
Heidi M Weeks, Amanda S Therrien, Amy J Bastian
It has been hypothesized that an important function of the cerebellum is predicting the state of the body during movement. Yet, the extent of cerebellar involvement in perception of limb state (i.e., proprioception, specifically limb position sense) has yet to be determined. Here, we investigated whether patients with cerebellar damage have deficits when trying to locate their hand in space (i.e., proprioceptive localization), which is highly important for everyday movements. By comparing performance during passive robot-controlled and active self-made multi-joint movements, we were able to determine that some cerebellar patients show improved precision during active movement (i...
August 18, 2016: Cerebellum
https://www.readbyqxmd.com/read/27458875/rehabilitation-of-ataxic-gait-following-cerebellar-lesions-applying-theory-to-practice
#17
Gemma Kelly, Jackie Shanley
Damage to the cerebellum can result in ataxic gait, which affects the ability to walk safely and independently. Physiotherapy is the main treatment for ataxic gait, but there is limited high-quality evidence for interventions used. This review explores the neural mechanisms of the symptoms of ataxic gait, by discussing the cerebellum's role in coordination, motor learning, anticipatory postural control, balance reactions and adapting gait to meet environmental demands. It discusses mechanisms that occur at cellular level throughout the whole cerebellum and then focuses on difficulties that arise from damage to specific lobes of the cerebellum...
August 2016: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/27372098/interhemispheric-connectivity-characterizes-cortical-reorganization-in-motor-related-networks-after-cerebellar-lesions
#18
Fabrizio De Vico Fallani, Silvia Clausi, Maria Leggio, Mario Chavez, Miguel Valencia, Anton Giulio Maglione, Fabio Babiloni, Febo Cincotti, Donatella Mattia, Marco Molinari
Although cerebellar-cortical interactions have been studied extensively in animal models and humans using modern neuroimaging techniques, the effects of cerebellar stroke and focal lesions on cerebral cortical processing remain unknown. In the present study, we analyzed the large-scale functional connectivity at the cortical level by combining high-density electroencephalography (EEG) and source imaging techniques to evaluate and quantify the compensatory reorganization of brain networks after cerebellar damage...
July 2, 2016: Cerebellum
https://www.readbyqxmd.com/read/27358225/clinical-effects-of-non-invasive-cerebellar-magnetic-stimulation-treatment-combined-with-neuromotor-rehabilitation-in-traumatic-brain-injury-a-single-case-study
#19
Alex Martino Cinnera, S Bonnì, M Iosa, V Ponzo, A Fusco, Carlo Caltagirone, Giacomo Koch
Multimodal treatments are emerging as effective approaches for motor recovery in traumatic brain injury (TBI). Various evidence has demonstrated that repetitive transcranial magnetic stimulation (rTMS) may improve outcomes in people with motor disorders. Behavioral gains from rTMS protocols may be maximized when brain stimulation is coupled with carefully designed occupational/physical therapy. We present the case of a 25-year-old man with chronic TBI (a bilateral corticosubcortical parieto-occipital lesion) who underwent three weeks of cerebellar intermittent theta burst stimulation (iTBS), a form of rTMS, combined with neurorehabilitation treatment...
April 2016: Functional Neurology
https://www.readbyqxmd.com/read/27348907/-plum-blossom-needle-tapping-at-jiaji-ex-b-2-combined-with-rehabilitation-for-ataxia-of-cerebellar-apoplexy-a-randomized-controlled-trial
#20
RANDOMIZED CONTROLLED TRIAL
Lijuan Zhang, Fei Wang, Yan Shi, Jianhua Wang, Qingfan Xie
OBJECTIVE: To compare the effects between plum-blossom needle tapping at Jiaji (EX-B 2) combined with rehabilitation and simple rehabilitation for ataxia of cerebellar apoplexy. METHODS: Sixty patients with ataxia of cerebellar apoplexy were randomly divided into an observation group,and a control group,30 cases in each one. Conventional rehabilitation training was applied in the control group. While based on the treatment as that of the control group, plum-blossom needle tapping at Jiaji (EX-B 2) was used in the observation group...
February 2016: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
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