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https://www.readbyqxmd.com/read/29576500/dualistic-effect-of-pallidal-deep-brain-stimulation-on-motor-speech-disorders-in-dystonia
#1
Jan Rusz, Tereza Tykalová, Anna Fečíková, Daniela Šťastná, Dušan Urgošík, Robert Jech
BACKGROUND: Although pallidal deep brain stimulation (GPi-DBS) is an effective treatment for dystonia, it may cause important stimulation-induced side-effects such as hypokinetic dysarthria or stuttering. However, the reasons behind the occurrence of these side-effects remain unknown. OBJECTIVE: To objectively investigate the impact of GPi-DBS on patients with dystonia on speech fluency, intelligibility, and key aspects of hyperkinetic and hypokinetic dysarthria...
March 15, 2018: Brain Stimulation
https://www.readbyqxmd.com/read/29396058/stuttering-in-parkinson-s-disease-after-deep-brain-stimulation-a-note-on-dystonia-and-low-frequency-stimulation
#2
Marcelo D Mendonça, Raquel Barbosa, Alexandra Seromenho-Santos, Carla Reizinho, Paulo Bugalho
Stuttering, a speech fluency disorder, is a rare complication of Deep Brain Stimulation (DBS) in Parkinson's Disease (PD). We report a 61 years-old patient with PD, afflicted by severe On and Off dystonia, treated with Subthalamic Nucleus DBS that developed post-DBS stuttering while on 130 Hz stimulation. Stuttering reduction was noted when frequency was changed to 80 Hz, but the previously observed dystonia improvement was lost. There are no reports in literature on patients developing stuttering with low-frequency stimulation...
April 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29394325/transcranial-direct-current-stimulation-over-left-inferior-frontal-cortex-improves-speech-fluency-in-adults-who-stutter
#3
Jennifer Chesters, Riikka Möttönen, Kate E Watkins
See Crinion (doi:10.1093/brain/awy075) for a scientific commentary on this article.Stuttering is a neurodevelopmental condition affecting 5% of children, and persisting in 1% of adults. Promoting lasting fluency improvement in adults who stutter is a particular challenge. Novel interventions to improve outcomes are of value, therefore. Previous work in patients with acquired motor and language disorders reported enhanced benefits of behavioural therapies when paired with transcranial direct current stimulation...
April 1, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29375820/recent-advances-in-the-management-of-priapism
#4
REVIEW
Asif Muneer, Hussain M Alnajjar, David Ralph
Priapism is an uncommon urological emergency that can lead to permanent impotence if prompt presentation and medical intervention is not performed. It is a breakdown of the usual physiological mechanisms controlling penile tumescence and detumescence, leading to a prolonged penile erection (>4 hours) that is unrelated to sexual stimulation. Currently, there are three accepted subtypes: ischaemic, non-ischaemic, and stuttering priapism, which is also known as recurrent ischemic priapism. The aim of treatment is the immediate resolution of the painful erection and the preservation of cavernosal smooth muscle function in order to prevent cavernosal fibrosis, which can lead to penile shortening and permanent erectile dysfunction...
2018: F1000Research
https://www.readbyqxmd.com/read/29098450/early-detection-of-speech-and-voice-disorders-in-parkinson-s-disease-patients-treated-with-subthalamic-nucleus-deep-brain-stimulation-a-1-year-follow-up-study
#5
Takashi Tsuboi, Hirohisa Watanabe, Yasuhiro Tanaka, Reiko Ohdake, Makoto Hattori, Kazuya Kawabata, Kazuhiro Hara, Mizuki Ito, Yasushi Fujimoto, Daisuke Nakatsubo, Satoshi Maesawa, Yasukazu Kajita, Masahisa Katsuno, Gen Sobue
We previously reported that Parkinson's disease (PD) patients treated with subthalamic nucleus deep brain stimulation (STN-DBS) had distinct phenotypes of speech and voice disorders: hypokinetic dysarthria, stuttering, breathy voice, strained voice, and spastic dysarthria. However, changes over time remain unclear. In the present study, 32 consecutive PD patients were assessed before and up to 1 year after surgery (PD-DBS). Eleven medically treated PD patients were also assessed (PD-Med). Speech, voice, motor, and cognitive functions were evaluated...
December 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28511232/-priapism-in-children-and-adolescents
#6
Abhishek Pandey, Hansjörg Keller
Priapism is a prolonged erection without sexual stimulation. In most cases it requires prompt management in order to avoid long-term consequences such as erectile dysfunction or penile deformity. Priapism is rare in children, but haematological diseases play an important role. The diagnosis is generally not difficult. Blood gas analysis and Doppler sonography are used to establish the form of priapism and determine its further management. The management of low-flow priapism consists of immediate blood aspiration and intracavernosal injection of sympathomimetic drugs as needed...
September 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28431323/transcranial-magnetic-stimulation-in-developmental-stuttering-relations-with-previous-neurophysiological-research-and-future-perspectives
#7
REVIEW
P Busan, P P Battaglini, M Sommer
Developmental stuttering (DS) is a disruption of the rhythm of speech, and affected people may be unable to execute fluent voluntary speech. There are still questions about the exact causes of DS. Evidence suggests there are differences in the structure and functioning of motor systems used for preparing, executing, and controlling motor acts, especially when they are speech related. Much research has been obtained using neuroimaging methods, ranging from functional magnetic resonance to diffusion tensor imaging and electroencephalography/magnetoencephalography...
June 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28413060/stuttering-treatment-and-brain-research-in-adults-a-still-unfolding-relationship
#8
REVIEW
Roger J Ingham, Janis C Ingham, Harald A Euler, Katrin Neumann
PURPOSE: Brain imaging and brain stimulation procedures have now been used for more than two decades to investigate the neural systems that contribute to the occurrence of stuttering in adults, and to identify processes that might enhance recovery from stuttering. The purpose of this paper is to review the extent to which these dual lines of research with adults who stutter have intersected and whether they are contributing towards the alleviation of this impairment. METHOD: Several areas of research are reviewed in order to determine whether research on the neurology of stuttering is showing any potential for advancing the treatment of this communication disorder: (a) attempts to discover the neurology of stuttering, (b) neural changes associated with treated recovery, and (c) direct neural intervention...
March 2018: Journal of Fluency Disorders
https://www.readbyqxmd.com/read/28237852/exploring-risk-factors-for-stuttering-development-in-parkinson-disease-after-deep-brain-stimulation
#9
Marina Picillo, Gustavo B Vincos, Francesco Sammartino, Andres M Lozano, Alfonso Fasano
BACKGROUND: Stuttering is a speech disorder with disruption of verbal fluency, occasionally present in Parkinson's disease (PD). PD co-incident stuttering may either worsen or improve after Deep Brain Stimulation (DBS). METHODS: Sixteen out of 453 PD patients (3.5%) exhibited stuttering after DBS (PD-S) and were compared with a group of patients without stuttering (PD-NS) using non-parametric statistics. RESULTS: After DBS, stuttering worsened in 3 out of 4 patients with co-incidental stuttering...
May 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28132042/-reasons-and-consequences-of-somatoform-disorders-in-children-and-adolescents
#10
M Khundadze, N Geladze, R Mkheidze, N Khachapuridze, S Bakhtadze
The aim of our study was to find the reason of various forms of somatoform disorders (phobias, behavioral disorders, insomnia, tics, stuttering, enuresis, encopresis) in children and adolescents of various social status for diagnosis and treatment. We have examined 202 patients who referred to our clinic from 2012-2016. The age range was 2-18 years. After examination we have concluded the following recommendations: - to implement neuropsychological rehabilitation in order to stimulate mental development; - to work with speech therapist to improvement the speech; - to work individually with psychotherapist to improve the behavior; - to train the parent to manage the behavior at home; - to give the personal card containing information about exercises, games and puzzles to stimulate the development and in some cases to give individual educational program; - to give separate information to parents and in some cases to teachers of kindergartens and schools...
December 2016: Georgian Medical News
https://www.readbyqxmd.com/read/27810647/investigating-the-feasibility-of-using-transcranial-direct-current-stimulation-to-enhance-fluency-in-people-who-stutter
#11
Jennifer Chesters, Kate E Watkins, Riikka Möttönen
Developmental stuttering is a disorder of speech fluency affecting 1% of the adult population. Long-term reductions in stuttering are difficult for adults to achieve with behavioural therapies. We investigated whether a single session of transcranial direct current stimulation (TDCS) could improve fluency in people who stutter (PWS). In separate sessions, either anodal TDCS (1mA for 20min) or sham stimulation was applied over the left inferior frontal cortex while PWS read sentences aloud. Fluency was induced during the stimulation period by using choral speech, that is, participants read in unison with another speaker...
January 2017: Brain and Language
https://www.readbyqxmd.com/read/27711148/altered-modulation-of-silent-period-in-tongue-motor-cortex-of-persistent-developmental-stuttering-in-relation-to-stuttering-severity
#12
Pierpaolo Busan, Giovanni Del Ben, Simona Bernardini, Giulia Natarelli, Marco Bencich, Fabrizio Monti, Paolo Manganotti, Piero Paolo Battaglini
Motor balance in developmental stuttering (DS) was investigated with Transcranial Magnetic Stimulation (TMS), with the aim to define novel neural markers of persistent DS in adulthood. Eleven DS adult males were evaluated with TMS on tongue primary motor cortex, compared to 15 matched fluent speakers, in a "state" condition (i.e. stutterers vs. fluent speakers, no overt stuttering). Motor and silent period thresholds (SPT), recruitment curves, and silent period durations were acquired by recording tongue motor evoked potentials...
2016: PloS One
https://www.readbyqxmd.com/read/27169123/clinical-management-of-priapism-a-review
#13
REVIEW
Kazuyoshi Shigehara, Mikio Namiki
Priapism is defined as a persistent and painful erection lasting longer than four hours without sexual stimulation. Based on episode history and pathophysiology, priapism is classified into three subtypes: ischemic (low-flow), non-ischemic (high-flow), and stuttering priapism. Ischemic priapism is characterized by a persistent, painful erection with remarkable rigidity of the corpora cavernosa caused by a disorder of venous blood outflow from this tissue mass, and is similar to penile compartment syndrome. Stuttering priapism is characterized by a self-limited, recurrent, and intermittent erection, frequently occurring in patients with sickle cell disease...
April 2016: World Journal of Men's Health
https://www.readbyqxmd.com/read/27130564/neurophysiologic-markers-of-primary-motor-cortex-for-laryngeal-muscles-and-premotor-cortex-in-caudal-opercular-part-of-inferior-frontal-gyrus-investigated-in-motor-speech-disorder-a-navigated-transcranial-magnetic-stimulation-tms-study
#14
Maja Rogić Vidaković, Ana Jerković, Tomislav Jurić, Igor Vujović, Joško Šoda, Nikola Erceg, Andreja Bubić, Marina Zmajević Schönwald, Pantelis Lioumis, Dragan Gabelica, Zoran Đogaš
Transcranial magnetic stimulation studies have so far reported the results of mapping the primary motor cortex (M1) for hand and tongue muscles in stuttering disorder. This study was designed to evaluate the feasibility of repetitive navigated transcranial magnetic stimulation (rTMS) for locating the M1 for laryngeal muscle and premotor cortical area in the caudal opercular part of inferior frontal gyrus, corresponding to Broca's area in stuttering subjects by applying new methodology for mapping these motor speech areas...
November 2016: Cognitive Processing
https://www.readbyqxmd.com/read/26931544/new-onset-stutter-after-electrode-insertion-in-the-ventrocaudalis-nucleus-for-face-pain
#15
Adrian B Levine, Keith W MacDougall
BACKGROUND: Deep brain stimulation (DBS) of the ventrocaudalis nucleus of the thalamus is a last resort treatment for chronic refractory pain. DBS is generally a safe procedure, although it can result in functional disturbances depending on the site of stimulation. There has been 1 previous report of stuttering induced by microlesioning of the thalamus, as well as several reports of stuttering induced by stimulation of the thalamus and other related structures in the brain. CASE DESCRIPTION: We describe the case of a patient with trigeminal deafferentation face pain who was treated with DBS of the ventrocaudalis nucleus thalamus and developed a reversible stutter immediately on insertion of the electrode...
June 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26855988/deep-brain-stimulation-for-the-treatment-of-obsessive-compulsive-disorder-with-implications-for-improvements-in-stuttering
#16
LETTER
Jeannie D Lochhead, Michele A Nelson, Kathleen Lake, Renee Flick, Gerald A Maguire
No abstract text is available yet for this article.
February 2016: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
https://www.readbyqxmd.com/read/26573674/-priapism-current-diagnostics-and-therapy
#17
REVIEW
B Schwindl, T Bschleipfer, T Klotz
Priapism is characterized by involuntary persistent penile erection after or independent of sexual stimulation. The diagnostic clarification, including patient history, physical findings, duplex ultrasonography and analysis of blood gases is decisive for the underlying pathophysiology and the appropriate therapeutic procedure. Non-hypoxic and non-acidotic blood gas parameters enable a conservative approach, hypoxic, hypercarbic and acidotic parameters may lead to fibrosis of the corpora cavernosa and, in turn, to a loss of penile function...
November 2015: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/26559819/role-of-the-left-frontal-aslant-tract-in-stuttering-a-brain-stimulation-and-tractographic-study
#18
Rahsan Kemerdere, Nicolas Menjot de Champfleur, Jérémy Deverdun, Jérôme Cochereau, Sylvie Moritz-Gasser, Guillaume Herbet, Hugues Duffau
The neural correlates of stuttering are to date incompletely understood. Although the possible involvement of the basal ganglia, the cerebellum and certain parts of the cerebral cortex in this speech disorder has previously been reported, there are still not many studies investigating the role of white matter fibers in stuttering. Axonal stimulation during awake surgery provides a unique opportunity to study the functional role of structural connectivity. Here, our goal was to investigate the white matter tracts implicated in stuttering, by combining direct electrostimulation mapping and postoperative tractography imaging, with a special focus on the left frontal aslant tract...
January 2016: Journal of Neurology
https://www.readbyqxmd.com/read/26380229/semi-rigid-penile-prosthesis-as-a-salvage-management-of-idiopathic-ischemic-stuttering-priapism
#19
Amr A Faddan, Alexey V Aksenov, Carsten M Naumann, Klaus P Jünemann, Daniar K Osmonov
INTRODUCTION: Priapism is the persistent erection resulting from dysfunction of the mechanisms that regulate penile swelling, stiffness, and sagging. It is a full or partial erection that persists for a period more than 4 hours beyond sexual stimulation and/or orgasm or is unrelated to sexual stimulation. Ischemic priapism should be managed in a step-by-step fashion. OBJECTIVE: To demonstrate step-by-step management of stuttering refractory ischemic priapism. We report a case of stuttering refractory ischemic priapism...
2015: Research and Reports in Urology
https://www.readbyqxmd.com/read/26228377/the-neurobiological-grounding-of-persistent-stuttering-from-structure-to-function
#20
REVIEW
Nicole E Neef, Alfred Anwander, Angela D Friederici
Neuroimaging and transcranial magnetic stimulation provide insights into the neuronal mechanisms underlying speech disfluencies in chronic persistent stuttering. In the present paper, the goal is not to provide an exhaustive review of existing literature, but rather to highlight robust findings. We, therefore, conducted a meta-analysis of diffusion tensor imaging studies which have recently implicated disrupted white matter connectivity in stuttering. A reduction of fractional anisotropy in persistent stuttering has been reported at several different loci...
September 2015: Current Neurology and Neuroscience Reports
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