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David A. Gallagher
Researcher at Barts Health NHS Trust
Publications - 25
Citations - 6497
David A. Gallagher is an academic researcher from Barts Health NHS Trust. The author has contributed to research in topics: Parkinson's disease & Apathy. The author has an hindex of 13, co-authored 22 publications receiving 5064 citations. Previous affiliations of David A. Gallagher include University College London & Royal London Hospital.
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Journal ArticleDOI
Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS): scale presentation and clinimetric testing results.
Christopher G. Goetz,Barbara C. Tilley,Stephanie R. Shaftman,Glenn T. Stebbins,Stanley Fahn,Pablo Martinez-Martin,Werner Poewe,Cristina Sampaio,Matthew B. Stern,Richard Dodel,Bruno Dubois,Robert G. Holloway,Joseph Jankovic,Jaime Kulisevsky,Anthony E. Lang,Andrew J. Lees,Sue Leurgans,Peter A. LeWitt,David L. Nyenhuis,C. Warren Olanow,Olivier Rascol,Anette Schrag,Jeanne A. Teresi,Jacobus J. van Hilten,Nancy R. LaPelle,Pinky Agarwal,Saima Athar,Yvette Bordelan,Helen Bronte-Stewart,Richard Camicioli,Kelvin L. Chou,Wendy Cole,Arif Dalvi,Holly Delgado,Alan Diamond,Jeremy P.R. Dick,John E. Duda,Rodger J. Elble,Carol Evans,V. G. H. Evidente,Hubert H. Fernandez,Susan H. Fox,Joseph H. Friedman,Robin D. Fross,David A. Gallagher,Deborah A. Hall,Neal Hermanowicz,Vanessa K. Hinson,Stacy Horn,Howard I. Hurtig,Un Jung Kang,Galit Kleiner-Fisman,Olga Klepitskaya,Katie Kompoliti,Eugene C. Lai,Maureen L. Leehey,Iracema Leroi,Kelly E. Lyons,Terry McClain,Steven W. Metzer,Janis M. Miyasaki,John C. Morgan,Martha Nance,Joanne Nemeth,Rajesh Pahwa,Sotirios A. Parashos,Jay S. Schneider,Kapil D. Sethi,Lisa M. Shulman,Andrew Siderowf,Monty Silverdale,Tanya Simuni,Mark Stacy,Robert Malcolm Stewart,Kelly L. Sullivan,David M. Swope,Pettaruse M. Wadia,Richard Walker,Ruth H. Walker,William J. Weiner,Jill Wiener,Jayne R. Wilkinson,Joanna M. Wojcieszek,Summer C. Wolfrath,Frederick Wooten,Allen Wu,Theresa A. Zesiewicz,Richard M. Zweig +87 more
TL;DR: The combined clinimetric results of this study support the validity of the MDS‐UPDRS for rating PD.
Journal ArticleDOI
What are the most important nonmotor symptoms in patients with Parkinson's disease and are we missing them?
TL;DR: It is demonstrated that a autonomic dysfunction, psychiatric complications, pain, fatigue, and sleep problems are major correlates of poor Hr‐QoL.
Journal ArticleDOI
Nonmotor symptoms as presenting complaints in Parkinson's disease: a clinicopathological study.
Sean S. O'Sullivan,David R. Williams,David R. Williams,David A. Gallagher,Luke A. Massey,Laura Silveira-Moriyama,Andrew J. Lees +6 more
TL;DR: Nonmotor symptoms are commonly seen as presenting complaints in pathologically confirmed PD, and initial misdiagnosis may be associated with potentially inappropriate medical interventions.
Journal ArticleDOI
Pathological gambling in Parkinson's disease: risk factors and differences from dopamine dysregulation. An analysis of published case series.
TL;DR: PG in patients with PD using DA is higher than PG reported in the general population, but shares similar characteristics and risk factors, and is predominantly associated with oral DA.
Journal ArticleDOI
Dopamine dysregulation syndrome, impulse control disorders and punding after deep brain stimulation surgery for Parkinson's disease
Shen-Yang Lim,Sean S. O'Sullivan,Katya Kotschet,David A. Gallagher,Cameron Lacey,Andrew D. Lawrence,Andrew J. Lees,D. J. O'sullivan,Richard F. Peppard,Julian P. Rodrigues,Anette Schrag,Paul Silberstein,Stephen Tisch,Andrew Evans +13 more
TL;DR: DDS, ICDs and punding may persist, worsen or develop for the first time after DBS surgery, although a minority of patients improved dramatically, including physician vigilance, motor outcome and patient compliance.