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Longitudinal neuropsychological trajectories of idiopathic normal pressure hydrocephalus: a populationbased study
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Neurovetenskaper.
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Psykiatri. Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Avdelningen för medicin.ORCID-id: 0000-0001-7868-8894
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Neurovetenskaper.ORCID-id: 0000-0002-4686-0941
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Neurovetenskaper.ORCID-id: 0000-0002-4107-3818
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(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
Nyckelord [en]
idiopathic normal pressure hydrocephalus, cognition, ageing, morphology, memory, executive function, longitudinal, life-span
Nationell ämneskategori
Neurologi
Forskningsämne
neurologi
Identifikatorer
URN: urn:nbn:se:umu:diva-201159OAI: oai:DiVA.org:umu-201159DiVA, id: diva2:1712564
Tillgänglig från: 2022-11-22 Skapad: 2022-11-22 Senast uppdaterad: 2022-11-25
Ingår i avhandling
1. A population-based study on neuropsychological and morphological signs of idiopathic normal pressure hydrocephalus
Öppna denna publikation i ny flik eller fönster >>A population-based study on neuropsychological and morphological signs of idiopathic normal pressure hydrocephalus
2022 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

BACKGROUND: Idiopathic normal pressure hydrocephalus (iNPH) is typically manifested in people over 65 years. The condition of gait disturbances, incontinence, and cognitive dysfunction can be reversed in up to 80% of the cases by ventricular shunting. Neuropsychological testing and standardized brain imaging of signs of iNPH are essential to detect and define the progression. The aims of this thesis were to develop a radiological iNPH scale, examine how morphological features relate to symptoms of iNPH, investigate if dual-task testing (e.g., walking and talking) is helpful in detecting iNPH, and monitor developing symptoms over two years.

METHOD: The studies include 168 participants (median [range] age 73 [66–92]) at baseline (2014/2015) and 104 participants (age 75 [68–91]) at follow-up (2016/2017) from the general population. Neuropsychological tests of executive functions, memory, and motor performance, and computed tomography (CT) for brain imaging were used.

RESULTS: Seven morphological features were combined into a scoring scale for iNPH. The total score correlated with clinical symptoms (r = -0.40, p <.001). All core symptoms were associated to wider temporal horns (TH) (p <.01). Participants with iNPH stopped walking to talk more frequently (p = .044). Participants who developed iNPH during the study worsened more on declarative memory (ES -0.37).

DISCUSSION: The Radscale was related to symptoms of iNPH and the TH to all main clinical features. Difficulties walking while recalling a previous event, worsened declarative memory, and expanding ventricular space surrounding the hippocampus were noticeable signs of iNPH. Memory functions are important to recognize in iNPH.

Ort, förlag, år, upplaga, sidor
Umeå: Umeå University, 2022. s. 86
Serie
Umeå University medical dissertations, ISSN 0346-6612 ; 2200
Nyckelord
idiopathic normal pressure hydrocephalus, cognition, dual-task, ageing, temporal horns, morphology, memory, executive function
Nationell ämneskategori
Neurologi
Forskningsämne
neurologi
Identifikatorer
urn:nbn:se:umu:diva-201142 (URN)978-91-7855-889-6 (ISBN)978-91-7855-890-2 (ISBN)
Disputation
2022-12-15, Hörsalen Snäckan, Östersund sjukhus, Östersund, 09:00 (Svenska)
Opponent
Handledare
Tillgänglig från: 2022-11-24 Skapad: 2022-11-21 Senast uppdaterad: 2022-12-02Bibliografiskt granskad

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Lilja-Lund, OttoMaripuu, MartinKockum, KarinAndersson, JohannaLindam, AnnaNyberg, LarsLaurell, Katarina

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Lilja-Lund, OttoMaripuu, MartinKockum, KarinAndersson, JohannaLindam, AnnaNyberg, LarsLaurell, Katarina
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NeurovetenskaperPsykiatriAvdelningen för medicinInstitutionen för folkhälsa och klinisk medicinUmeå centrum för funktionell hjärnavbildning (UFBI)Institutionen för psykologiFysiologiDiagnostisk radiologi
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