Articles

AbobotulinumtoxinA using 2-mL dilution (500 U/2-mL) maintains durable improvement across multiple treatment cycles

Cervical dystonia (CD), the most common focal dystonia, is a chronic neurological movement disorder characterized by sustained involuntary contractions of the neck muscles, leading to abnormal postures. Abobot...

Authors: Khashayar Dashtipour, Stefan Wietek, Bruce Rubin, Pascal Maisonobe, Laxman Bahroo and Richard Trosch

Potential impact and challenges associated with Parkinson’s disease patient care amidst the COVID-19 global pandemic

COVID-19 has made itself known to health care providers and families across the world in a matter of months. While primarily a respiratory disorder, it has also been shown to cause neurological symptoms, which...

Authors: Ali Elbeddini, Anthony To, Yasamin Tayefehchamani and Cindy Wen

Correction to: Economic evaluation of AbobotulinumtoxinA vs OnabotulinumtoxinA in real-life clinical management of cervical dystonia

An amendment to this paper has been published and can be accessed via the original article.

Authors: V. P. Misra, N. Danchenko, P. Maisonobe, J. Lundkvist and M. Hunger

Objective measurement in Parkinson’s disease: a descriptive analysis of Parkinson’s symptom scores from a large population of patients across the world using the Personal KinetiGraph®

The Personal KinetiGraph® (PKG®) Movement Recording System provides continuous, objective, ambulatory movement data during routine daily activities and provides information on medication compliance, motor fluc...

Authors: Rajesh Pahwa, Filip Bergquist, Malcolm Horne and Michael E. Minshall

Quantification of tremor using consumer product accelerometry is feasible in patients with essential tremor and Parkinson’s disease: a comparative study

To quantify pharmacological effects on tremor in patients with essential tremor (ET) or Parkinson’s Disease (PD), laboratory-grade accelerometers have previously been used. Over the last years, consumer produc...

Authors: Emilie M. J. van Brummelen, Dimitrios Ziagkos, Wadim M. I. de Boon, Ellen P. Hart, Robert J. Doll, Teppo Huttunen, Petteri Kolehmainen and Geert Jan Groeneveld

Vitamin B12 measurements across neurodegenerative disorders

Vitamin B12 deficiency causes a number of neurological features including cognitive and psychiatric disturbances, gait instability, neuropathy, and autonomic dysfunction. Clinical recognition of B12 deficiency...

Authors: Nijee S. Luthra, Ariane H. Marcus, Nancy K. Hills and Chadwick W. Christine

Economic evaluation of AbobotulinumtoxinA vs OnabotulinumtoxinA in real-life clinical management of cervical dystonia

Botulinum neurotoxins type A (BoNT-As) are commonly used treatments for cervical dystonia (CD). Clinical trials have demonstrated the benefits of them in these patients, but data from real-life clinical practi...

Authors: V. P. Misra, N. Danchenko, P. Maisonobe, J. Lundkvist and M. Hunger

Case study on the use of intensive pediatric neurorehabilitation in the treatment of kernicterus

Kernicterus Spectrum Disorder (KSD) is the result of prolonged bilirubin toxicity resulting in widespread neurological injury. Once the bilirubin levels are normalized the encephalopathy becomes static, howeve...

Authors: Jessie Mann, Dory A. Wallace and Stephanie DeLuca

A case of Gerstmann-Straussler-Scheinker (GSS) disease with supranuclear gaze palsy

Gerstmann-Straussler-Scheinker disease (GSS), an autosomal dominant prion disorder, usually presents as a slowly progressive cerebellar ataxia followed by later cognitive decline. We present a member of the GS...

Authors: Nicole A. Ufkes, Craig Woodard and Marian L. Dale

“Feasibility and utility of a simple computerized test for measuring saccade latency in progressive supranuclear palsy- a proof-of-concept study”

Reliable detection of slowed vertical saccades may help discriminate progressive supranuclear palsy (PSP) from the subset of Parkinson’s disease patients who lack tremor (akinetic-rigid or PD-postural instabil...

Authors: Marian L. Dale, Emmi P. Scott, Saher Khalid, Andrew S. Eiseman and Travis H. Turner

Tongue involvement in embouchure dystonia: new piloting results using real-time MRI of trumpet players

The embouchure of trumpet players is of utmost importance for tone production and quality of playing. It requires skilled coordination of lips, facial muscles, tongue, oral cavity, larynx and breathing and has...

Authors: Soenke J. Hellwig, Peter W. Iltis, Arun A. Joseph, Dirk Voit, Jens Frahm, Erwin Schoonderwaldt and Eckart Altenmüller

Publisher Correction to: Journal of Clinical Movement Disorders, volume 6

An error occurred during the publication of an article in Journal of Clinical Movement Disorders. This article was published in volume 6 with a duplicate citation number.

Authors:

Huntington’s disease: a forensic risk factor in women

Huntington’s disease (HD) is an autosomal dominant, neurodegenerative disorder. Associated cognitive deficits including impulsivity and disinhibition are the same factors that also predispose to forensic risk....

Authors: Elvina May-Yin Chu, Mari O’Neill, Debasish Das Purkayastha and Caroline Knight

Telepsychiatry for patients with movement disorders: a feasibility and patient satisfaction study

Telemedicine is a convenient health service delivery modality for patients with movement disorders, including Parkinson’s disease (PD), but is currently underutilized in the management of associated psychiatri...

Authors: Andreea L. Seritan, Melissa Heiry, Ana-Maria Iosif, Michael Dodge and Jill L. Ostrem

Transcranial magnetic stimulation therapy for focal leg dystonia: a case report

Dystonia is a debilitating disease that causes abnormal, often repetitive, movements, postures or both. The pathophysiology is unknown but related to loss of neuronal inhibition, aberrant sensorimotor integrat...

Authors: Kush Sharma, Alberto Cucca, Andrea Lee, Shashank Agarwal, Steven Joel Frucht and Milton Cesar Biagioni

Correction to: Medical treatment of dystonia

Following publication of the original article [1], the authors reported that the videos referred to in their article were not accessible to readers.

Authors: Pichet Termsarasab, Thananan Thammongkolchai and Steven J. Frucht

Characterization of vitamin D supplementation and clinical outcomes in a large cohort of early Parkinson’s disease

Vitamin D (VitD) deficiency is common in Parkinson’s disease (PD) and has been raised as a possible PD risk factor. In the past decade, VitD supplementation for potential prevention of age related conditions h...

Authors: Nijee S. Luthra, Soeun Kim, Yunxi Zhang and Chadwick W. Christine

SCA2 presenting as a focal dystonia

Spinocerebellar ataxia 2 (SCA2) is an autosomal dominant neurodegenerative disorder caused by CAG repeat expansions in ATXN2 on chromosome 12q24. Patients present with adult-onset progressive gait ataxia, slow sa...

Authors: Nan Cheng, Heather M. Wied, James J. Gaul, Lauren E. Doyle and Stephen G. Reich

Inpatient care for stiff person syndrome in the United States: a nationwide readmission study

Stiff person syndrome (SPS) is a progressive neurological disorder characterized by axial muscle rigidity and involuntary spasms. Autoimmune and neoplastic diseases are associated with SPS. Our study objective...

Authors: James A. G. Crispo, Dylan P. Thibault, Yannick Fortin and Allison W. Willis

Spectrum of practice in the routine management of cervical dystonia with abobotulinumtoxinA: findings from three prospective open-label observational studies

Cervical dystonia is a heterogeneous disorder with several possible presentations, for which first-line therapy is often botulinum toxin (BoNT). In routine clinical practice the success of each BoNT injection ...

Authors: Vijay P. Misra, Richard M. Trosch, Pascal Maisonobe and Savary Om

Crossing barriers: a multidisciplinary approach to children and adults with young-onset movement disorders

Diagnosis of less common young-onset movement disorders is often challenging, requiring a broad spectrum of skills of clinicians regarding phenotyping, normal and abnormal development and the wide range of pos...

Authors: Martje E. van Egmond, Hendriekje Eggink, Anouk Kuiper, Deborah A. Sival, Corien C. Verschuuren-Bemelmans, Marina A. J. Tijssen and Tom J. de Koning

Atrophy of the putamen at time of clinical motor onset in Huntington’s disease: a 6-year follow-up study

Striatal atrophy is detectable many years before the predicted onset of motor symptoms in premanifest Huntington’s disease (HD). However, the extent of these neurodegenerative changes at the actual time of con...

Authors: Emma M. Coppen, Jeroen van der Grond and Raymund A. C. Roos

Cognitive fluctuations in Parkinson’s disease dementia: blood pressure lability as an underlying mechanism

Cognitive fluctuations refer to alterations in cognition, attention, or arousal occurring over minutes to hours, most commonly in patients with dementias associated with advanced Lewy body pathology. Their pat...

Authors: David E. Riley and Alberto J. Espay

Adductor focal laryngeal Dystonia: correlation between clinicians’ ratings and subjects’ perception of Dysphonia

Although considerable research has focused on the etiology and symptomology of adductor focal laryngeal dystonia (AD-FLD), little is known about the correlation between clinicians’ ratings and patients’ percep...

Authors: Celia Faye Stewart, Catherine F. Sinclair, Irene F. Kling, Beverly E. Diamond and Andrew Blitzer

An unusual presentation of tyrosine hydroxylase deficiency

Dopa-responsive dystonia (DRD) has largely been associated with autosomal dominant mutations in the GCH1 gene leading to GTP cyclohydrolase 1 deficiency. More recently, a deficiency in tyrosine hydroxylase (TH...

Authors: Linn E. Katus and Steven J. Frucht

Meta-research metrics matter: letter regarding article “indirect tolerability comparison of Deutetrabenazine and Tetrabenazine for Huntington disease”

Here we discuss the report by Claassen and colleagues describing an indirect treatment comparison between tetrabenazine and deutetrabenazine for chorea in Huntington’s disease using individual patient data. We...

Authors: Filipe B. Rodrigues, Gonçalo S. Duarte, João Costa, Joaquim J. Ferreira and Edward J. Wild

Primary progressive apraxia: an unusual ideomotor syndrome

Primary progressive apraxia is a rare form of apraxia in the absence of dementia which develops insidiously and is slowly progressive. Most reports of patients with apraxia also describe coexisting aphasias or...

Authors: Yeva M. Fernandez and Steven J. Frucht

Pure akinesia with gait freezing: a clinicopathologic study

Pure akinesia with gait freezing is a rare syndrome with few autopsied cases. Severe freezing of gait occurs in the absence of bradykinesia and rigidity. Most autopsies have revealed progressive supranuclear p...

Authors: Ahmad Elkouzi, Esther N. Bit-Ivan and Rodger J. Elble

Are we missing non-motor seizures in Parkinson’s disease? Two case reports

Parkinson’s disease (PD) is predominantly recognized for its motor symptoms, but patients struggle from a morbid and heterogeneous collection of non-motor symptoms (NMS-PD) that can affect their quality of lif...

Authors: Andre Y. Son, Alberto Cucca, Shashank Agarwal, Anli Liu, Alessandro Di Rocco and Milton C. Biagioni

A Computerized Cognitive behavioral therapy Randomized, Controlled, pilot trial for insomnia in Parkinson Disease (ACCORD-PD)

Parkinson disease (PD) is associated with a high prevalence of insomnia, affecting up to 88% of patients. Pharmacotherapy studies in the literature addressing insomnia in PD reveal disappointing and inconsiste...

Authors: Shnehal Patel, Oluwadamilola Ojo, Gencer Genc, Srivadee Oravivattanakul, Yang Huo, Tanaporn Rasameesoraj, Lu Wang, James Bena, Michelle Drerup, Nancy Foldvary-Schaefer, Anwar Ahmed and Hubert H. Fernandez

Pathophysiology of writer’s cramp: an exploratory study on task-specificity and non-motor symptoms using an extended fine-motor testing battery

Writer’s cramp (WC) is a task-specific focal dystonia which manifests itself as abnormal postures interfering with motor performance. As the spread of motor symptoms remains controversial and non-motor symptom...

Authors: Ali Amouzandeh, Michael Grossbach, Joachim Hermsdörfer and Eckart Altenmüller

Italian validation of the Belastungsfragebogen Parkinson kurzversion (BELA-P-k): a disease-specific questionnaire for evaluation of the subjective perception of quality of life in parkinson’s disease

Quality of life (QoL) is the sense of well-being perceived by people. The improvement of parkinsonian patient’s QoL is a crucial goal for clinicians involved in rehabilitative care. In order to provide an appr...

Authors: Paola Ortelli, Roberto Maestri, Marianna Zarucchi, Veronica Cian, Elisa Urso, Francesca Giacomello, Davide Ferrazzoli and Giuseppe Frazzitta

Effects of a sensory-motor orthotic on postural instability rehabilitation in Parkinson’s disease: a pilot study

Proprioceptive deficits have been largely documented in PD patients, thus external sensory signals (peripheral sensory feedback) are often used to compensate the abnormalities of proprioceptive integration.

Authors: Daniele Volpe, Elisa Pelosin, Leila Bakdounes, Stefano Masiero, Giannettore Bertagnoni, Chiara Sorbera and Maria Giulia Giantin

Functional neuroimaging and chorea: a systematic review

Chorea is a hyperkinetic movement disorder consisting of involuntary irregular, flowing movements of the trunk, neck or face. Although Huntington’s disease is the most common cause of chorea in adults, chorea ...

Authors: Debra J. Ehrlich and Ruth H. Walker

RimabotulinumtoxinB in sialorrhea: systematic review of clinical trials

The aim of this study was to examine the efficacy, safety and dosing practices of rimabotulinumtoxinB (BoNT-B) for the treatment of patients with sialorrhea based on a systematic review of clinical trials.

Authors: Khashayar Dashtipour, Roongroj Bhidayasiri, Jack J. Chen, Bahman Jabbari, Mark Lew and Diego Torres-Russotto

Parkinson disease in Gaucher disease

Gaucher disease (GD) is an inborn error of metabolism caused by mutations in the gene (GBA) coding for glucocerebrosidase (GCase), inherited in an autosomal recessive pattern. GD patients have up to 9% risk of de...

Authors: Federico Rodriguez-Porcel, Alberto J. Espay and Miryam Carecchio

A case of stiff dog syndrome associated with anti-glutamic acid decarboxylase antibodies

The stiff person syndrome (SPS) is a rare and debilitating autoimmune disorder with an unknown pathogenesis and variable clinical presentation that can present a diagnostic challenge. Although entities that cl...

Authors: Theresa E. Pancotto and John H. Rossmeisl Jr

Dystonic storm: a practical clinical and video review

Dystonic storm is a frightening hyperkinetic movement disorder emergency. Marked, rapid exacerbation of dystonia requires prompt intervention and admission to the intensive care unit. Clinical features of dyst...

Authors: Pichet Termsarasab and Steven J. Frucht

Economics of botulinum toxin therapy: influence of the abobotulinumtoxinA package size on the costs of botulinum toxin therapy

AbobotulinumtoxinA (Dysport®) was distributed for many years in vials containing 500MU (D500). Recently a new 300MU vial (D300) was additionally introduced (introduction). We wanted to explore whether more dif...

Authors: Dirk Dressler and Fereshte Adib Saberi

Presentation and care of a family with Huntington disease in a resource-limited community

In high-income countries patients with Huntington disease (HD) typically present to healthcare providers after developing involuntary movements, or for pre-symptomatic genetic testing if at familial risk. A po...

Authors: Jarmal Charles, Lindyann Lessey, Jennifer Rooney, Ingmar Prokop, Katherine Yearwood, Hazel Da Breo, Patrick Rooney, Ruth H. Walker and Andrew K. Sobering

Diagnosing the frontal variant of Alzheimer’s disease: a clinician’s yellow brick road

Disruption of the frontal lobes and its associated networks are a common consequence of neurodegenerative disorders. Given the wide range of cognitive, behavioral and motor processes in which the frontal lobes...

Authors: Russell P. Sawyer, Federico Rodriguez-Porcel, Matthew Hagen, Rhonna Shatz and Alberto J. Espay

Indirect tolerability comparison of Deutetrabenazine and Tetrabenazine for Huntington disease

Vesicular monoamine transporter 2 (VMAT2) inhibitors can improve hyperkinetic movements, and are effective treatment options for chorea of Huntington disease (HD). Tetrabenazine was assessed for treating chore...

Authors: Daniel O. Claassen, Benjamin Carroll, Lisa M. De Boer, Eric Wu, Rajeev Ayyagari, Sanjay Gandhi and David Stamler

Lessons I have learned from my patients: everyday life with primary orthostatic tremor

Primary orthostatic tremor is a rare disorder that is still under-diagnosed or misdiagnosed. Motor symptoms are fairly characteristics but the real impact on the patient’s every day life and quality of life is...

Authors: Marie Vidailhet, Emmanuel Roze, Lucie Maugest and Cécile Gallea

Medical treatment of dystonia

Therapeutic strategies in dystonia have evolved considerably in the past few decades. Three major treatment modalities include oral medications, botulinum toxin injections and surgical therapies, particularly ...

Authors: Pichet Termsarasab, Thananan Thammongkolchai and Steven J. Frucht

Publisher’s Erratum: Spinal-generated movement disorders: a clinical review

Authors: Pichet Termsarasab, Thananan Thammongkolchai and Steven J. Frucht

Novel gene (TMEM230) linked to Parkinson’s disease

Mutations in six genes are known to cause Parkinson’s disease (PD) (autosomal dominant: alpha-synuclein, LRRK2, VPS35 and autosomal recessive: Parkin, PINK1 and DJ1) and number of other genes are implicated. I...

Authors: Diana A. Olszewska, Conor Fearon and Tim Lynch

Clinical Pearls - how my patients taught me: The fainting lark symptom

Compulsive movements, complex tics and stereotypies are frequent, especially among patients with autism or psychomotor retardation. These movements can be difficult to characterize and can mimic other conditio...

Authors: A. Kuiper, M.E. van Egmond, M.P.M. Harms, M.D. Oosterhoff, B. van Harten, D.A. Sival, T.J. de Koning and M.A.J. Tijssen

The phenomenology and treatment of idiopathic adult-onset truncal dystonia: a retrospective review

Focal dystonia is the most common type of adult-onset dystonia; however, it infrequently affects truncal musculature. Although commonly attributed to secondary etiologies such as a neurodegenerative illness or...

Authors: Debra J. Ehrlich and Steven J. Frucht

Physicians’ role in the determination of fitness to drive in patients with Parkinson’s disease: systematic review of the assessment tools and a call for national guidelines

Physicians are usually at the forefront when the issue of driving ability is raised by Parkinson’s disease (PD) patients or their family members, even though few have been formally trained in this area.

Authors: Onanong Jitkritsadakul and Roongroj Bhidayasiri

Letter regarding article ‘Freezing of gait associated with a corpus callosum lesion’

Here, I discuss the report by Dale et al. and present some relevant comments, hoping that it will allow a better understanding of the patient’s situation as well as freezing of gait phenomenon. I will also dis...

Authors: Halil Onder