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https://www.readbyqxmd.com/read/29519455/the-parietal-lobe-and-the-vestibular-system
#1
Marianne Dieterich, Thomas Brandt
The vestibular cortex differs in various ways from other sensory cortices. It consists of a network of several distinct and separate temporoparietal areas. Its core region, the parietoinsular vestibular cortex (PIVC), is located in the posterior insula and retroinsular region and includes the parietal operculum. The entire network is multisensory (in particular, vestibular, visual, and somatosensory). The peripheral and central vestibular systems are bilaterally organized; there are various pontomesencephalic brainstem crossings and at least two transcallosal connections of both hemispheres, between the PIVC and the motion-sensitive visual cortex areas, which also mediate vestibular input...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29361348/efficacy-of-trunk-regimes-on-balance-mobility-physical-function-and-community-reintegration-in-chronic-stroke-a-parallel-group-randomized-trial
#2
Suruliraj Karthikbabu, Mahabala Chakrapani, Sailakshmi Ganesan, Ratnavalli Ellajosyula, John M Solomon
OBJECTIVE: The study objective was to examine the efficacy of plinth and Swiss ball-based trunk exercise regimes on balance, mobility, physical function, and community reintegration compared with standard physiotherapy in chronic stroke. SUBJECTS AND METHODS: This observer-blinded parallel-group randomized trial was conducted in outpatient stroke units. People with chronic stroke aged between 30 and 75 years, first onset of unilateral cortical lesion, poor trunk performance, 10 m independent walking ability with or without walking aids, and absence of pusher syndrome were included...
April 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29232651/body-packing-and-intra-vaginal-body-pushing-of-cocaine-a-case-report
#3
Vishwajit Kishor Wankhade, B G Chikhalkar
Drug trafficking is an international problem. The prevalence of drug trafficking and newer concealing methods has been ever increasing. Body packing is described as using the abdominal or pelvic cavity for concealing illegal drugs. Body pushers smuggle illicit drugs by inserting them into rectum or vagina. These cases are either presented to the emergency departments as Body Packer Syndrome or as asymptomatic cases for observation, detained for alleged possession of contraband substances. We report a unique case of an asymptomatic white female who was detained at Mumbai International Airport under suspicion and brought to hospital for observation...
December 5, 2017: Legal Medicine
https://www.readbyqxmd.com/read/29189299/global-orientation-in-space-and-the-lateralization-of-brain-functions
#4
Marianne Dieterich, Thomas Brandt
PURPOSE OF REVIEW: The functional role of the vestibular system for multisensory orientation and sensorimotor control is reviewed with a special focus on hemispherical lateralization and its consequences for neurological disorders of higher cortical function. RECENT FINDINGS: The peripheral and central vestibular systems are bilaterally organized with ipsilateral and contralateral ascending pathways and two multisensory cortical networks in the right and left hemisphere...
February 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28980607/-metavestibular-disorders-and-disorders-of-higher-vestibular-function
#5
M V Zamergrad, O S Levin
Vertigo, instability, oscillopsia and concomitant autonomic disorders are classical and well-known symptoms of vestibular disorders. At the same time, recent studies suggest that there are more complicated vestibular dysfunctions caused by the cortical projections of the vestibular system. The central vestibular system includes parietal temporal cortex and insular, anterior intraparietal sulcus, posterior parietal and medial parts of the superior temporal gyrus, singular gyrus retrosplenial cortex, hippocampus and parahippocampal area...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28628548/clinical-outcome-measures-for-lateropulsion-poststroke-an-updated-systematic-review
#6
Ryan Koter, Sara Regan, Caitlin Clark, Vicki Huang, Melissa Mosley, Erin Wyant, Chad Cook, Jeffrey Hoder
BACKGROUND AND PURPOSE: Contraversive Lateropulsion, also referred to as contraversive pushing, pusher behavior, and pusher syndrome, can be associated with increased hospital length of stay, increased health care costs, and delayed outcomes in persons with stroke. The purpose of this updated systematic review was to identify scales used to classify contraversive lateropulsion, investigate literature that addresses their clinimetric properties, and create a resource for clinicians recommending use in clinical practice...
July 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28429801/the-dizzy-patient-don-t-forget-disorders-of-the-central-vestibular-system
#7
REVIEW
Thomas Brandt, Marianne Dieterich
Vertigo and dizziness are among the most common complaints in neurology clinics, and they account for about 13% of the patients entering emergency units. In this Review, we focus on central vestibular disorders, which are mostly attributable to acute unilateral lesions of the bilateral vestibular circuitry in the brain. In a tertiary interdisciplinary outpatient dizziness unit, central vestibular disorders, including vestibular migraine, comprise about 25% of the established diagnoses. The signs and symptoms of these disorders can mimic those of peripheral vestibular disorders with sustained rotational vertigo...
June 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/27614404/case-control-study-of-impairments-associated-with-recovery-from-pusher-syndrome-after-stroke-logistic-regression-analyses
#8
Suzanne R Babyar, Margaret G E Peterson, Michael Reding
BACKGROUND: Comparing cohorts with similar functional and motor status at admission to inpatient rehabilitation may delineate demographics or impairments associated with recovery from lateropulsion, also known as "pusher syndrome," after stroke based on lesion side. The aim of this case-control study was to determine how demographics and severity of stroke impairments at admission to inpatient rehabilitation distinguish patients who recover from lateropulsion from those who do not. METHODS: Patients with admission motor Functional Independence Measure (FIM) scores less than 31 and contralesional lower extremity Fugl-Meyer motor scores less than 19 out of 34 were included...
January 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/26305448/could-be-the-predominantly-used-hemibody-related-to-the-weight-bearing-distribution-modified-by-the-chronic-hemiparesis-after-stroke
#9
Anderson Castro Mundim, Clarissa Cardoso dos Santos Couto Paz, Emerson Fachin-Martins
Since the first Broca publications issued from 1970s, lateralized functions in the human brain have urged the researchers to postulate hypothesis based in the right-left asymmetries and, according to some theories, the lateralization of the voluntary motor control could represent a solution to avoid redundant process optimizing space and time. Supported by this idea, the clinicians and researchers tend to concept that the chronic hemiplegic stroke patients learn to use predominantly the non-affected hemibody after stroke in which is more convenient to execute their daily life activities, modifying their natural preference in some cases...
November 2015: Medical Hypotheses
https://www.readbyqxmd.com/read/25564080/the-role-of-the-thalamus-in-the-human-subcortical-vestibular-system
#10
REVIEW
Julian Conrad, Bernhard Baier, Marianne Dieterich
Most of our knowledge concerning central vestibular pathways is derived from animal studies while evidence of the functional importance and localization of these pathways in humans is less well defined. The termination of these pathways at the thalamic level in humans is even less known. In this review we summarize the findings concerning the central subcortical vestibular pathways in humans and the role of these structures in the central vestibular system with regard to anatomical localization and function...
2014: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/25547112/effects-of-interactive-visual-feedback-training-on-post-stroke-pusher-syndrome-a-pilot-randomized-controlled-study
#11
RANDOMIZED CONTROLLED TRIAL
Yea-Ru Yang, Yi-Hua Chen, Heng-Chih Chang, Rai-Chi Chan, Shun-Hwa Wei, Ray-Yau Wang
OBJECTIVE: We investigated the effects of a computer-generated interactive visual feedback training program on the recovery from pusher syndrome in stroke patients. DESIGN: Assessor-blinded, pilot randomized controlled study. PARTICIPANTS: A total of 12 stroke patients with pusher syndrome were randomly assigned to either the experimental group (N = 7, computer-generated interactive visual feedback training) or control group (N = 5, mirror visual feedback training)...
October 2015: Clinical Rehabilitation
https://www.readbyqxmd.com/read/25300715/body-packing-a-review-of-general-background-clinical-and-imaging-aspects
#12
REVIEW
Ferco H Berger, Koenraad H Nieboer, Gerard S Goh, Antonio Pinto, Mariano Scaglione
To avoid detection at border crossings or airport customs, drug trafficking is increasingly performed by intra-corporeal concealment. Body packers may ingest packets of varying size and containing varying drugs (mostly cocaine, heroin and cannabis) mixed with other compounds, while body pushers will insert packets in the rectum or vaginal cavity. Body packing may lead to potential life-threatening complications with acute overdose syndromes after packet rupture and intestinal obstruction with possible ensuing bowel rupture being the most significant complications...
January 2015: La Radiologia Medica
https://www.readbyqxmd.com/read/24878475/a-chinese-patient-with-pusher-syndrome-and-unilateral-spatial-neglect-syndrome
#13
Xiao-Wei Chen, Cheng-He Lin, Hua Zheng, Zhen-Lan Lin
OBJECTIVE: To observe clinical manifestations, behavioral characteristics, and effects of rehabilitation on a patient with pusher syndrome and unilateral spatial neglect caused by right thalamic hemorrhage. METHODS: Assessment of pusher syndrome was made by the Scale for Contraversive pushing (SCP), and unilateral spatial neglect syndrome was diagnosed using line cancellation, letter and star cancellation, line bisection tests and copy and continuation of graphic sequence test...
July 2014: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/24784496/point-of-care-testing-of-standing-posture-with-wii-balance-board-and-microsoft-kinect-during-transcranial-direct-current-stimulation-a-feasibility-study
#14
Arindam Dutta, Sanjay Chugh, Alakananda Banerjee, Anirban Dutta
BACKGROUND: Non-invasive brain stimulation (NIBS) is a promising tool for facilitating motor function. NIBS therapy in conjunction with training using postural feedback may facilitate physical rehabilitation following posture disorders (e.g., Pusher Syndrome). OBJECTIVES: The objectives of this study were, 1) to develop a low-cost point-of-care-testing (POCT) system for standing posture, 2) to investigate the effects of anodal tDCS on functional reach tasks using the POCT system...
2014: NeuroRehabilitation
https://www.readbyqxmd.com/read/23525623/somatosensory-findings-of-pusher-syndrome-in-stroke-patients
#15
Jong Hwa Lee, Sang Beom Kim, Kyeong Woo Lee, Ji Yeong Lee
OBJECTIVE: To investigate the somatosensory findings of pusher syndrome in stroke patients. METHODS: Twelve pusher patients and twelve non-pusher patients were enrolled in this study. Inclusion criteria were unilateral stroke, sufficient cognitive abilities to understand and follow instructions, and no visual problem. Patients were evaluated for pusher syndrome using a standardized scale for contraversive pushing. Somatosensory finding was assessed by the Cumulative Somatosensory Impairment Index (CSII) and somatosensory evoked potentials (SEPs) at 1 and 14 weeks after the stroke onset...
February 2013: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/22983429/progress-in-neuro-otology-research-in-the-last-year
#16
REVIEW
Alexander A Tarnutzer, Dominik Straumann
Herein, we summarize articles in the field of neuro-otology published in the Journal of Neurology over the last year. Topics included acute and chronic vertigo as well as auditory and ocular motor disorders. Characteristic lesion locations in Pusher syndrome are reported and the usefulness of bedside ocular motor tests in vertebrobasilar stroke is revisited. Probing the vestibular system and its value in predicting the outcome in vegetative state is discussed. Several articles address new diagnostic and therapeutic approaches in different disorders associated with chronic vestibular, auditory or gait deficits...
November 2012: Journal of Neurology
https://www.readbyqxmd.com/read/22382159/prevalence-and-length-of-recovery-of-pusher-syndrome-based-on-cerebral-hemispheric-lesion-side-in-patients-with-acute-stroke
#17
Hiroaki Abe, Takeo Kondo, Yutaka Oouchida, Yoshimi Suzukamo, Satoru Fujiwara, Shin-Ichi Izumi
BACKGROUND AND PURPOSE: The aim of this study was to determine if side of cerebral hemisphere lesion affects the prevalence and time course of pushing behavior (PB) after stroke. METHODS: A total of 1660 patients with acute stroke were investigated. PB was assessed using the standardized Scale for Contraversive Pushing. Risk ratios were used to evaluate the differences in the prevalence of PB between right cerebral hemisphere-damaged (RCD) and left cerebral hemisphere-damaged (LCD) patients...
June 2012: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/22352004/-current-situation-and-clinical-characteristics-of-sedative-related-disorder-patients-in-japan-a-comparison-with-methamphetamine-related-disorder-patients
#18
COMPARATIVE STUDY
Toshihiko Matsumoto, Shigeru Ozaki, Ohji Kobayashi, Kiyoshi Wada
PURPOSE: The purpose of the present study was to examine the current situation regarding sedative (mainly benzodiazepines)-related disorder in Japan and the clinical characteristics of Japanese patients with this disorder. SUBJECTS: Subjects were 671 drug-related disorder patients diagnosed according to the ICD-10 classification as "F1: mental and behavioural disorders due to psychoactive substance use," who abused psychoactive substances other than alcohol. Of all the psychiatric hospitals in Japan between September and October 2010, these drug-related disorder patients had consecutively consulted or were admitted to 153 psychiatric hospitals...
2011: Seishin Shinkeigaku Zasshi, Psychiatria et Neurologia Japonica
https://www.readbyqxmd.com/read/22297879/neuroimaging-in-stroke-and-non-stroke-pusher-patients
#19
Taiza Elaine Grespan Santos-Pontelli, Octavio Marques Pontes-Neto, Draulio Barros de Araujo, Antonio Carlos dos Santos, João Pereira Leite
Pusher behavior (PB) is a disorder of postural control affecting patients with encephalic lesions. This study has aimed to identify the brain substrates that are critical for the occurrence of PB, to analyze the influence of the midline shift (MS) and hemorrhagic stroke volume (HSV) on the severity and prognosis of the PB. We identified 31 pusher patients of a neurological unit, mean age 67.4 ± 11.89, 61.3% male. Additional neurological and functional examinations were assessed. Neuroimaging workup included measurement of the MS, the HSV in patients with hemorrhagic stroke, the analysis of the vascular territory, etiology and side of the lesion...
December 2011: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/22200395/responsiveness-of-2-scales-to-evaluate-lateropulsion-or-pusher-syndrome-recovery-after-stroke
#20
COMPARATIVE STUDY
Ellen Clark, Keith D Hill, T David Punt
OBJECTIVES: To analyze responsiveness to change of 2 outcome measures in the lateropulsion population after stroke. Lateropulsion describes an atypical balance problem after stroke where patients actively push themselves toward their paretic side. Secondary aims were to measure the incidence of lateropulsion and evaluate the site of the brain most commonly involved in lateropulsion. DESIGN: Stroke patients were screened for lateropulsion on admission to rehabilitation...
January 2012: Archives of Physical Medicine and Rehabilitation
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