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Cognitive impairment is common in Parkinson\u2019s disease (PD) and associated with lower quality of life. Cognitive impairment in PD manifests differently to other dementia pathologies. Provision of optimal care requires knowledge about the support needs of this population. Methods. Eleven people with PD and cognitive impairment (PwP), 10 family caregivers, and 27 healthcare professionals were purposively sampled from across the United Kingdom. Semistructured interviews were conducted in 2019\u20132021, audio-recorded, transcribed, and analysed using reflexive thematic analysis. Results. Cognitive impairment in PD conveyed increased complexity for clinical management and healthcare interactions, the latter driven by multifactorial communication difficulties. Techniques that helped included slow, simple, and single messages, avoiding topic switching. Information and emotional support needs were often unmet, particularly for caregivers. Diagnostic pathways were inconsistent and awareness of cognitive impairment in PD was poor, both contributing to underdiagnosis. Many felt that PwP and cognitive impairment fell through service gaps, resulting from disjointed, nonspecific, and underresourced services. Personalised care was advocated through tailoring to individual needs of PwP and caregivers facilitated by flexibility, time and continuity within services, and supporting self-management. Conclusions. This study highlights unmet need for people with this complex condition. Clinicians should adapt their approach and communication techniques for this population and provide tailored information and support to both PwP and caregivers. Services need to be more streamlined and collaborative, providing more time and flexibility. There is a need for wider awareness and deeper understanding of this condition and its differences from other types of dementia.<\/jats:p>","DOI":"10.1155\/2023\/9732217","type":"journal-article","created":{"date-parts":[[2023,8,30]],"date-time":"2023-08-30T00:05:11Z","timestamp":1693353911000},"page":"1-16","source":"Crossref","is-referenced-by-count":15,"title":["Delivering Optimal Care to People with Cognitive Impairment in Parkinson\u2019s Disease: A Qualitative Study of Patient, Caregiver, and Professional Perspectives"],"prefix":"10.1155","volume":"2023","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0951-7941","authenticated-orcid":true,"given":"Jennifer S.","family":"Pigott","sequence":"first","affiliation":[{"name":"Queen Square Institute of Neurology, University College London, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7757-5353","authenticated-orcid":true,"given":"Nathan","family":"Davies","sequence":"additional","affiliation":[{"name":"Centre for Ageing Population Studies, Research Department of Primary Care and Population Health, University College London, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8918-0436","authenticated-orcid":true,"given":"Elizabeth","family":"Chesterman","sequence":"additional","affiliation":[{"name":"Queen Square Institute of Neurology, University College London, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3028-3975","authenticated-orcid":true,"given":"Joy","family":"Read","sequence":"additional","affiliation":[{"name":"Queen Square Institute of Neurology, University College London, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1239-3417","authenticated-orcid":true,"given":"Danielle","family":"Nimmons","sequence":"additional","affiliation":[{"name":"Centre for Ageing Population Studies, Research Department of Primary Care and Population Health, University College London, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2173-2430","authenticated-orcid":true,"given":"Kate","family":"Walters","sequence":"additional","affiliation":[{"name":"Centre for Ageing Population Studies, Research Department of Primary Care and Population Health, University College London, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6773-9393","authenticated-orcid":true,"given":"Megan","family":"Armstrong","sequence":"additional","affiliation":[{"name":"Centre for Ageing Population Studies, Research Department of Primary Care and Population Health, University College London, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9872-6680","authenticated-orcid":true,"given":"Anette","family":"Schrag","sequence":"additional","affiliation":[{"name":"Queen Square Institute of Neurology, University College London, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1038\/s41572-021-00280-3"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1016\/j.parkreldis.2014.07.004"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1002\/mds.23661"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.3390\/brainsci12010111"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1177\/0891988712464823"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1016\/s1474-4422(10)70212-x"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1002\/mds.21507"},{"key":"8","article-title":"2019 UK Parkinson\u2019s audit summary report","author":"Uk Parkinson\u2019s Excellence Network","year":"2019"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1108\/jica-02-2020-0005"},{"key":"10","article-title":"Living well with dementia: a national dementia strategy","author":"Department of Health and Social Care","year":"2009"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0226916"},{"key":"12","doi-asserted-by":"publisher","DOI":"10.1155\/2021\/9475026"},{"key":"13","doi-asserted-by":"publisher","DOI":"10.1155\/2023\/4483517"},{"key":"14","doi-asserted-by":"publisher","DOI":"10.1016\/j.parkreldis.2011.02.012"},{"key":"15","doi-asserted-by":"publisher","DOI":"10.5750\/ejpch.v6i3.1536"},{"key":"16","doi-asserted-by":"publisher","DOI":"10.1177\/14713012221076667"},{"key":"17","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1136\/bmjopen-2020-040348","article-title":"The PriDem Study project team, Task-shifted approaches to postdiagnostic dementia support: a qualitative study exploring professional views and experiences","volume":"10","author":"A. 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