Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/22352
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dc.contributor.authorGibson, Granten_UK
dc.contributor.authorMottram, Paten_UK
dc.contributor.authorBurn, Daviden_UK
dc.contributor.authorHindle, Johnen_UK
dc.contributor.authorLandau, Sabineen_UK
dc.contributor.authorMike, Samuelen_UK
dc.contributor.authorHurt, Catherineen_UK
dc.contributor.authorBrown, Richarden_UK
dc.contributor.authorWilson, Kenen_UK
dc.date.accessioned2015-10-27T00:24:03Z-
dc.date.available2015-10-27T00:24:03Zen_UK
dc.date.issued2013-06en_UK
dc.identifier.urihttp://hdl.handle.net/1893/22352-
dc.description.abstractObjective: To examine the prevalence, incidence and risk factors associated with visual hallucinations (VHs) amongst people suffering from Parkinson's disease (PD). Methods: We recruited 513 patients with PD from movement disorder and PD clinics within three sites in the UK. Patients were interviewed using a series of standardised clinical rating scales at baseline, 12, 24 and 36 months. Data relating to VHs were collected using the North-East Visual Hallucinations Interview. Prevalence rates for VHs at each assessment were recorded. Associations were determined using multiple regression analysis. Results: Cross-sectional prevalence rates for VHs at baseline, 12, 24 and 36 months indicated VHs in approximately 50% of patients. A cumulative frequency of 82.7% of cases at the end of the study period exhibited VHs. The incidence rate for VHs was 457 cases per 1000 population. Longer disease duration, greater impairment in activities of daily living and higher rates of anxiety were most commonly associated with VHs. No factors predictive of VHs could be ascertained. Conclusions: When examined longitudinally, VHs affect more patients than is commonly assumed in cross-sectional prevalence studies. Clinicians should routinely screen for VHs throughout the disease course. Disease duration, impairment in activities of daily living and anxiety presented as co-morbidities associated with VHs in PD, and therefore those presenting with VHs should be screened for anxiety disorder and vice versa.en_UK
dc.language.isoenen_UK
dc.publisherWiley-Blackwellen_UK
dc.relationGibson G, Mottram P, Burn D, Hindle J, Landau S, Mike S, Hurt C, Brown R & Wilson K (2013) Frequency, prevalence, incidence and risk factors associated with visual hallucinations in a sample of patients with Parkinson's Disease: a longitudinal 4-year study. International Journal of Geriatric Psychiatry, 28 (6), pp. 626-631. https://doi.org/10.1002/gps.3869en_UK
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.rights.urihttp://www.rioxx.net/licenses/under-embargo-all-rights-reserveden_UK
dc.subjectParkinson's diseaseen_UK
dc.subjectvisual hallucinationsen_UK
dc.subjectfrequencyen_UK
dc.subjectprevalenceen_UK
dc.subjectincidenceen_UK
dc.titleFrequency, prevalence, incidence and risk factors associated with visual hallucinations in a sample of patients with Parkinson's Disease: a longitudinal 4-year studyen_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2999-12-07en_UK
dc.rights.embargoreason[Gibson_et_al-2013-International_Journal_of_Geriatric_Psychiatry.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.identifier.doi10.1002/gps.3869en_UK
dc.identifier.pmid22927195en_UK
dc.citation.jtitleInternational Journal of Geriatric Psychiatryen_UK
dc.citation.issn1099-1166en_UK
dc.citation.issn0885-6230en_UK
dc.citation.volume28en_UK
dc.citation.issue6en_UK
dc.citation.spage626en_UK
dc.citation.epage631en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.author.emailgrant.gibson@stir.ac.uken_UK
dc.citation.date06/05/2013en_UK
dc.contributor.affiliationDementia and Ageingen_UK
dc.contributor.affiliationUniversity of Liverpoolen_UK
dc.contributor.affiliationNewcastle Universityen_UK
dc.contributor.affiliationBangor Universityen_UK
dc.contributor.affiliationKing's College Londonen_UK
dc.contributor.affiliationCity University Londonen_UK
dc.contributor.affiliationUniversity of Manchesteren_UK
dc.contributor.affiliationKing's College Londonen_UK
dc.contributor.affiliationUniversity of Liverpoolen_UK
dc.identifier.isiWOS:000318513400010en_UK
dc.identifier.scopusid2-s2.0-84877585313en_UK
dc.identifier.wtid594328en_UK
dc.contributor.orcid0000-0001-8249-4697en_UK
dc.date.accepted2012-07-18en_UK
dcterms.dateAccepted2012-07-18en_UK
dc.date.filedepositdate2015-10-26en_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorGibson, Grant|0000-0001-8249-4697en_UK
local.rioxx.authorMottram, Pat|en_UK
local.rioxx.authorBurn, David|en_UK
local.rioxx.authorHindle, John|en_UK
local.rioxx.authorLandau, Sabine|en_UK
local.rioxx.authorMike, Samuel|en_UK
local.rioxx.authorHurt, Catherine|en_UK
local.rioxx.authorBrown, Richard|en_UK
local.rioxx.authorWilson, Ken|en_UK
local.rioxx.projectInternal Project|University of Stirling|https://isni.org/isni/0000000122484331en_UK
local.rioxx.freetoreaddate2999-12-07en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/under-embargo-all-rights-reserved||en_UK
local.rioxx.filenameGibson_et_al-2013-International_Journal_of_Geriatric_Psychiatry.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source0885-6230en_UK
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