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Rodriguez K, Schade R, Lopez FV, Kenney L, Ratajska A, Gertler J, Bowers D. Perception of cognitive change by individuals with Parkinson's disease or essential tremor seeking deep brain stimulation: Utility of the cognitive change index. J Int Neuropsychol Soc 2024; 30:370-379. [PMID: 37800314 PMCID: PMC10997739 DOI: 10.1017/s1355617723000620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
OBJECTIVE The Cognitive Change Index (CCI-20) is a validated questionnaire that assesses subjective cognitive complaints (SCCs) across memory, language, and executive domains. We aimed to: (a) examine the internal consistency and construct validity of the CCI-20 in patients with movement disorders and (b) learn how the CCI-20 corresponds to objective neuropsychological and mood performance in individuals with Parkinson's disease (PD) or essential tremor (ET) seeking deep brain stimulation (DBS). METHODS 216 participants (N = 149 PD; N = 67 ET) underwent neuropsychological evaluation and received the CCI-20. The proposed domains of the CCI-20 were examined via confirmatory (CFA) and exploratory (EFA) factor analyses. Hierarchical regressions were used to assess the relationship among subjective cognitive complaints, neuropsychological performance and mood symptoms. RESULTS PD and ET groups were similar across neuropsychological, mood, and CCI-20 scores and were combined into one group who was well educated (m = 15.01 ± 2.92), in their mid-60's (m = 67.72 ± 9.33), predominantly male (63%), and non-Hispanic White (93.6%). Previously proposed 3-domain CCI-20 model failed to achieve adequate fit. Subsequent EFA revealed two CCI-20 factors: memory and non-memory (p < 0.001; CFI = 0.924). Regressions indicated apathy and depressive symptoms were associated with greater memory and total cognitive complaints, while poor executive function and anxiety were associated with more non-memory complaints. CONCLUSION Two distinct dimensions were identified in the CCI-20: memory and non-memory complaints. Non-memory complaints were indicative of worse executive function, consistent with PD and ET cognitive profiles. Mood significantly contributed to all CCI-20 dimensions. Future studies should explore the utility of SCCs in predicting cognitive decline in these populations.
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Affiliation(s)
- Katie Rodriguez
- Department of Clinical and Health Psychology, University of Florida, Gaineville, FL
| | - Rachel Schade
- Department of Clinical and Health Psychology, University of Florida, Gaineville, FL
| | - Francesca V. Lopez
- Department of Clinical and Health Psychology, University of Florida, Gaineville, FL
| | - Lauren Kenney
- Department of Clinical and Health Psychology, University of Florida, Gaineville, FL
| | - Adrianna Ratajska
- Department of Clinical and Health Psychology, University of Florida, Gaineville, FL
| | - Joshua Gertler
- Department of Clinical and Health Psychology, University of Florida, Gaineville, FL
| | - Dawn Bowers
- Department of Clinical and Health Psychology, University of Florida, Gaineville, FL
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL
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Malmgren J, Lundin S, Waldenström AC, Rylander C, Johannesson E. Quality of life-related and non-quality of life-related issues in ICU survivors and non-ICU-treated controls: a multi-group exploratory factor analysis. Crit Care 2024; 28:102. [PMID: 38553749 PMCID: PMC10979613 DOI: 10.1186/s13054-024-04890-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 03/24/2024] [Indexed: 04/02/2024] Open
Abstract
BACKGROUND Quality of life (QoL) is a key outcome measure in healthcare. However, the heterogeneity in its definitions presents challenges in the objective evaluation of improvement. Universal questionnaires, tailored for a broad demographic group, inadequately represent the unique experiences of intensive care unit (ICU) survivors, including a lack of ability to discriminate issues related to QoL from issues that do not. METHODS Using a 218-item, 13-domain provisional questionnaire, we assessed 395 adult ICU survivors, with a minimum 72-h stay at one of three Swedish university hospital ICUs, at 6 months to three years post-discharge. Their responses were compared to those of 195 controls, matched for age and sex and randomly recruited from the Swedish Population Registry. By multi-group exploratory factor analysis, we compared dimensionality in QoL perceptions between the two groups, emphasising patterns of correlation to 13 domain-specific QoL questions. Model fit was assessed using information criteria. Internal consistency reliability for each scale was determined using McDonald's omega or Cronbach's alpha. All analyses were conducted using Mplus, applying full information maximum likelihood to handle missing data. RESULTS All domains except Cognition had a subset of questions correlating to the domain-specific QoL question in at least the ICU survivor group. The similarity between the two groups varied, with Physical health, Sexual health and Gastrointestinal (GI) functions mainly correlating the same issues to QoL in the two groups. In contrast, Fatigue, Pain, Mental health, activities of daily living, Sleep, Sensory functions and Work life showed considerable differences. In all, about one-fourth of the issues correlated to QoL in the ICU survivor group and about one-tenth of the issues in the control group. CONCLUSIONS We found most issues experienced by ICU survivors to be unrelated to quality of life. Our findings indicate that the consequences of post-ICU issues may play a more significant role in affecting QoL than the issues themselves; issues restricting and affecting social life and work life were more related to QoL in ICU survivors than in non-ICU-treated controls. Caution is advised before associating all post-ICU problems with an effect on quality of life. TRIAL REGISTRATION ClinicalTrials.gov Ref# NCT02767180; Registered 28 April 2016.
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Affiliation(s)
- Johan Malmgren
- Department of Anaesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, Sahlgrenska University Hospital, University of Gothenburg, Blå Stråket 5, 413 45, Gothenburg, Sweden.
| | - Stefan Lundin
- Department of Anaesthesiology and Intensive Care Medicine, Institute of Clinical Sciences, Sahlgrenska Academy, Sahlgrenska University Hospital, University of Gothenburg, Blå Stråket 5, 413 45, Gothenburg, Sweden
| | - Ann-Charlotte Waldenström
- Department of Oncology, Institute of Clinical Sciences, Sahlgrenska Academy, Sahlgrenska University Hospital, University of Gothenburg, 413 45, Gothenburg, Sweden
| | - Christian Rylander
- Anesthesiology and Intensive Care, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Elias Johannesson
- Department of Social and Behavioural Studies, University West, Trollhättan, Sweden
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Huang J, Yuan X, Chen L, Hu B, Jiang L, Shi T, Wang H, Huang W. Subjective cognitive decline in patients with Parkinson's disease: an updated review. Front Aging Neurosci 2023; 15:1117068. [PMID: 37304074 PMCID: PMC10251438 DOI: 10.3389/fnagi.2023.1117068] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 05/08/2023] [Indexed: 06/13/2023] Open
Abstract
Cognitive impairment in patients with Parkinson's disease (PD) worsens the prognosis of PD and increases caregivers' burden and economic consequences. Recently, subjective cognitive decline (SCD), which refers to self-reported cognitive decline without detectable objective cognitive dysfunction, has been regarded as an at-risk state of mild cognitive impairment (MCI) and a prodromal stage for dementia in Alzheimer's disease (AD). However, studies on PD-SCD have thus far been scarce, and at present there is no consensus regarding the definition of SCD nor a gold standard as an evaluation tool. The present review aimed to look for an association between PD-SCD and objective cognitive function and found that PD with SCD occurred with brain metabolic changes, which were consistent with early aberrant pathological changes in PD. Moreover, PD patients with SCD were likely to progress to future cognitive impairment. It is necessary to establish a guideline for the definition and evaluation of SCD in PD. A larger sample size and more longitudinal investigations are needed to verify the predictive effectiveness of PD-SCD and to detect earlier subtle cognitive decline before MCI.
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Affiliation(s)
- Juan Huang
- Department of Neurology, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xingxing Yuan
- Department of Anesthesiology, Changsha Hospital for Maternal and Child Health Care Affiliated to Hunan Normal University, Changsha, China
| | - Lin Chen
- Department of Neurology, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Binbin Hu
- Department of Neurology, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Lijuan Jiang
- Department of Neurology, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Ting Shi
- Department of Neurology, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Hui Wang
- Department of Neurology, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Wei Huang
- Department of Neurology, Second Affiliated Hospital of Nanchang University, Nanchang, China
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Hong JY, Lee PH. Subjective Cognitive Complaints in Cognitively Normal Patients With Parkinson's Disease: A Systematic Review. J Mov Disord 2023; 16:1-12. [PMID: 36353806 PMCID: PMC9978265 DOI: 10.14802/jmd.22059] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 08/15/2022] [Indexed: 11/11/2022] Open
Abstract
Subjective cognitive complaints (SCCs) refer to self-perceived cognitive decline and are related to objective cognitive decline. SCCs in cognitively normal individuals are considered a preclinical sign of subsequent cognitive impairment due to Alzheimer's disease, and SCCs in cognitively normal patients with Parkinson's disease (PD) are also gaining attention. The aim of this review was to provide an overview of the current research on SCCs in cognitively normal patients with PD. A systematic search found a lack of consistency in the methodologies used to define and measure SCCs. Although the association between SCCs and objective cognitive performance in cognitively normal patients with PD is controversial, SCCs appear to be predictive of subsequent cognitive decline. These findings support the clinical value of SCCs in cognitively normal status in PD; however, further convincing evidence from biomarker studies is needed to provide a pathophysiological basis for these findings. Additionally, a consensus on the definition and assessment of SCCs is needed for further investigations.
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Affiliation(s)
- Jin Yong Hong
- Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Phil Hyu Lee
- Department of Neurology, Yonsei University College of Medicine, Seoul, Korea,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea,Corresponding author: Phil Hyu Lee, MD, PhD Department of Neurology, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea / Tel: +82-2-2228-1608 / Fax: +82-2-393-0705 / E-mail:
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Rosenblum S, Meyer S, Richardson A, Hassin-Baer S. Early identification of subjective cognitive functional decline among patients with Parkinson's disease: a longitudinal pilot study. Sci Rep 2022; 12:22242. [PMID: 36564494 PMCID: PMC9789081 DOI: 10.1038/s41598-022-26280-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 12/13/2022] [Indexed: 12/25/2022] Open
Abstract
Practical methods for early identification of Parkinson's disease (PD) mild cognitive impairment (PD-MCI) through changes in real-life daily functioning are scarce. The aim of the study was to examine whether the cognitive functional (CF) feature, comprising of seven self-reported Movement Disorder Society's (MDS) Unified Parkinson's Disease Rating Scale (UPDRS) items, predicts PD patients' cognitive functional status after a year. We conducted a 1-year follow-up of 34 PD patients (50-78 year; 70.6% men) suspected of MCI using the following measures: the MDS-UPDRS, UPDRS-CF feature, Beck Depression Inventory (BDI), Montreal Cognitive Assessment (MoCA), Trail Making Test (TMT), Parkinson's Disease Cognitive Functional Rating Scale (PD-CFRS), and Daily Living Questionnaire (DLQ). The first and second UPDRS-CF feature scores, and additional measures at the 1-year follow-up significantly correlated. Hierarchical regression revealed that the initial MoCA, TMT, and BDI scores predicted the second UPDRS-CF, and the first UPDRS-CF predicted 31% of the second PD-CFRS score variance. Depression moderated the relationship between the first UPDRS-CF score and the DLQ Part A. These results suggest practical, self-reported, daily functional markers for identifying gradual decline in PD patients. They consider the patients' heterogeneity, underlying cognitive pathology, and implications on daily functioning, health, and well-being.
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Affiliation(s)
- Sara Rosenblum
- grid.18098.380000 0004 1937 0562Department of Occupational Therapy, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, 3498838 Israel
| | - Sonya Meyer
- grid.411434.70000 0000 9824 6981Department of Occupational Therapy, Ariel University, Ariel, 4077603 Israel
| | - Ariella Richardson
- grid.419646.80000 0001 0040 8485Department of Industrial Engineering, Jerusalem College of Technology, Jerusalem, 9372115 Israel
| | - Sharon Hassin-Baer
- grid.413795.d0000 0001 2107 2845Movement Disorders Institute, Sheba Medical Centre, Ramat-Gan, 5262000 Israel ,grid.413795.d0000 0001 2107 2845Department of Neurology, Sheba Medical Centre, Ramat-Gan, 5262000 Israel ,grid.12136.370000 0004 1937 0546Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, 6997801 Israel
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Siquier A, Andrés P. Face name matching and memory complaints in Parkinson’s disease. Front Psychol 2022; 13:1051488. [DOI: 10.3389/fpsyg.2022.1051488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 10/25/2022] [Indexed: 11/15/2022] Open
Abstract
ObjectiveMemory impairment is a hallmark cognitive deficit in Parkinson’s disease (PD). However, it remains unclear which processes underlie this deficit in PD. Also, little is known on these patients’ subjective experiences of memory difficulties and their relationship with objective measures. We aim to portray memory deficits in PD by combining objective and subjective memory measures.MethodsFifteen PD patients and 15 controls were assessed with an extended version of the Face-Name Associative Memory Exam (FNAME) and the Memory Failures of Everyday Questionnaire (MFE-28). We also explored the relationship among clinical and cognitive variables.ResultsParticipants with PD presented with more memory complaints. On the FNAME, these patients exhibited lower performance in free recall, as well as in name recognition and matching. Importantly, when controlling for initial learning, group effects disappeared, except for matching. Associative memory therefore was significantly compromised in PD and correlated with subjective memory complaints (SMC).ConclusionOur findings suggest that associative memory may constitute a sensitive measure to detect subtle memory deficits in PD. Moreover, the current study further clarifies the source of memory impairment in PD. Thus, our study highlights the clinical value of including associative memory tests such as the FNAME in PD neuropsychological assessment.
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Crowley BZ, Patrie J, Sperling SA. Depression differentially affects patient and caregiver perceptions of neuropsychiatric symptoms in Parkinson's disease. Clin Neuropsychol 2022:1-16. [PMID: 35938748 DOI: 10.1080/13854046.2022.2106889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVE The aims of this study were twofold. First, we examined the relationship between patient and caregiver ratings of neuropsychiatric symptoms in Parkinson's disease (PD). Second, we examined if the severity of depressive symptoms affects patient and caregiver perceptions of other neuropsychiatric symptoms and contributes to discrepancies between their perceptions. METHOD We examined data from a retrospective clinical cohort of 209 patients with PD and their caregivers. We used intra-class correlation coefficients and the Bland Altman method to assess intra-respondent (retrospective versus current) and inter-respondent (patient versus caregiver) agreement between Frontal Systems Behavior Scales (FrSBe) subscale scores. We then used generalized estimating equation models to examine FrSBe subscale scores and the magnitude of the intra- and inter-respondent discrepancies in FrSBe subscale scores, as a function of Beck Depression Inventory-2nd Edition scores, with patient demographic variable adjustments. RESULTS There was low agreement between patient and caregiver ratings on all three subscales, at both time points, and high response variability within and between raters. Patients generally reported more severe neuropsychiatric symptoms than caregivers. Depression severity predicted patients' perceptions at both time points, but was more strongly associated with current perceptions. Depression severity predicted caregivers' current perceptions only. The inter-respondent discrepancy in perceived apathy and disinhibition, but not executive dysfunction, increased as a function of depression severity. CONCLUSIONS There are differences in how patients with PD and caregivers perceive neuropsychiatric behaviors and the extent to which depressive symptoms influence their perceptions. Shared neuropathology and negative response biases likely contribute to these relationships.
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Affiliation(s)
- Brittany Z Crowley
- School of Education and Human Development, University of Virginia, Charlottesville, Virginia, USA
| | - James Patrie
- Public Health Sciences, University of Virginia, Charlottesville, Virginia, USA
| | - Scott A Sperling
- Center for Neurological Restoration, Cleveland Clinic, Cleveland, Ohio, USA
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Yang N, Ju Y, Ren J, Wang H, Li P, Ning H, Tao J, Liu W. Prevalence and affective correlates of subjective cognitive decline in patients with de novo Parkinson's disease. Acta Neurol Scand 2022; 146:276-282. [PMID: 35722712 PMCID: PMC9545461 DOI: 10.1111/ane.13662] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/11/2022] [Accepted: 05/26/2022] [Indexed: 11/26/2022]
Abstract
OBJECTIVES The novel concept of subjective cognitive decline (SCD) in Parkinson's disease (PD) refers to subjective cognitive impairment without concurrent objective cognitive deficits. This study aimed to determine the prevalence and affective correlates of SCD in de novo PD patients. MATERIALS AND METHODS A total of 139 de novo PD patients underwent comprehensive neuropsychological evaluation. PD patients with SCD (PD-SCD) did not meet the diagnostic criteria for mild cognitive impairment in PD (PD-MCI) based on the Movement Disorder Society Level II Criteria and were defined by a Domain-5 Score ≥1 on the Non-Motor Symptoms Questionnaire. Affective symptoms were measured using the Hamilton Depression Scale (HAMD) and Hamilton Anxiety Scale (HAMA). RESULTS In de novo PD cohort, the prevalence of SCD was 28.1%. PD-SCD patients performed significantly better than PD-MCI patients on tests of five cognitive domains. The more commonly affected domains in PD-SCD patients were memory (28.2%) and attention/working memory (25.6%). Multivariable linear regression analysis revealed that PD-SCD was significantly associated with both HAMD (β = 4.518, 95% CI = 0.754-8.281, p = .019) and HAMA scores (β = 4.259, 95% CI = 1.054-7.464, p = .010). Furthermore, binary logistic regression analysis revealed that higher HAMD (OR = 1.128, 95% CI = 1.019-1.249, p = .020) and HAMA scores (OR = 1.176, 95% CI = 1.030-1.343, p = .017) increased the risk of PD-SCD. CONCLUSIONS Our findings suggest that SCD is highly prevalent in de novo PD patients. The presence of PD-SCD is suggestive of an underlying affective disorder.
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Affiliation(s)
- Ning Yang
- Department of Traditional Chinese Medicine, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Yuanyuan Ju
- Cerebrovascular Disease Center, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Jingru Ren
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Haidong Wang
- Department of Traditional Chinese Medicine, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Peishan Li
- Department of Traditional Chinese Medicine, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Houxu Ning
- Department of Traditional Chinese Medicine, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Jiaping Tao
- Department of Traditional Chinese Medicine, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Weiguo Liu
- Department of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
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Ketogenic therapy for Parkinson's disease: A systematic review and synthesis without meta-analysis of animal and human trials. Maturitas 2022; 163:46-61. [PMID: 35714419 DOI: 10.1016/j.maturitas.2022.06.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/29/2022] [Accepted: 06/01/2022] [Indexed: 12/20/2022]
Abstract
OBJECTIVE The aim of the present systematic review was to assess the efficacy of ketogenic therapy in Parkinson's disease (PD), using all available data from randomized controlled trials (RCTs) on humans and animal studies with PD models. DESIGN Systematic review of in vivo studies. METHODS Studies related to the research question were identified through searches in PubMed, Cochrane Central Register of Controlled Trials (CENTRAL), Scopus, clinicaltrials.gov and the gray literature, from inception until November 2021. Rayyan was employed to screen and identify all studies fulfilling the inclusion criteria. Cochrane's revised Risk of Bias 2.0 and SYRCLE tools evaluated bias in RCTs and animal studies, respectively. An effect direction plot was developed to synthesize the evidence of the RCTs. RESULTS Twelve studies were identified and included in the qualitative synthesis (4 RCTs and 8 animal trials). Interventions included ketogenic diets (KDs), supplementation with medium-chain triglyceride (MCT) oil, caprylic acid administration and ketone ester drinks. The animal research used zebrafish and rodents, and PD was toxin-induced. Based on the available RCTs, ketogenic therapy does not improve motor coordination and functioning, cognitive impairment, anthropometrics, blood lipids and glycemic control, exercise performance or voice disorders in patients with PD. The evidence is scattered and heterogenous, with single trials assessing different outcomes; thus, a synthesis of the evidence cannot be conclusive regarding the efficacy of ketogenic therapy. On the other hand, animal studies tend to demonstrate more promising results, with marked improvements in locomotor activity, dopaminergic activity, redox status, and inflammatory markers. CONCLUSIONS Although animal studies indicate promising results, research on the effect of ketogenic therapy in PD is still in its infancy, with RCTs conducted on humans being heterogeneous and lacking PD-specific outcomes. More studies are required to recommend or refute the use of ketogenic therapy in PD.
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Becker S, Solbrig S, Michaelis K, Faust B, Brockmann K, Liepelt-Scarfone I. Divergence Between Informant and Self-Ratings of Activities of Daily Living Impairments in Parkinson’s Disease. Front Aging Neurosci 2022; 14:838674. [PMID: 35222002 PMCID: PMC8874137 DOI: 10.3389/fnagi.2022.838674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 01/21/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectiveTo examine the agreement between self- and informant-reported activities of daily living (ADL) deficits in Parkinson’s Disease (PD) patients, and to examine factors influencing ADL ratings.BackgroundIn PD, the loss of functional independence is an important outcome of disease progression. The valid assessment of ADL function in PD is essential, but it is unclear to what extent informants’ and patients’ perceptions of their daily functions concur, and how other factors may influence both ratings.MethodsData of 150 PD patients who underwent cognitive and motor testing, as well as their informants were analyzed. The 10-item Functional Activities Questionnaire (FAQ), completed separately by patients (FAQ-S) and their informants (FAQ-I), assessed ADL function. Weighted κ statistics summarized level of agreement, and a discrepancy score (FAQ-I – FAQ-S) quantified agreement. Correlation analyses between FAQ total scores, patient and informant characteristics, and cognitive scores were conducted, with post hoc regressions to determine the associations between both FAQ scores and cognition, independent of patient characteristics.ResultsThe sample included 87 patients with normal cognition, 50 with mild cognitive impairment, and 13 with dementia. Overall, there was fair to moderate agreement between patients and informants on individual FAQ items (0.27 ≤ κ ≤ 0.61, p < 0.004), with greater discrepancies with increasing cognitive impairment. Patients’ age, motor severity, non-motor burden, and depression also affected both ratings (0.27 ≤ r ≤ 0.50, p < 0.001), with motor severity showing the greatest influence on both ratings. Both the FAQ-I and FAQ-S were correlated with almost all cognitive domains. Post hoc regression analyses controlling for patient characteristics showed that the attention domain was a significant predictor of both the FAQ-S and FAQ-I scores, and memory was also a significant predictor of the FAQ-I score. Only 29.3% of patients agreed perfectly with informants on the FAQ total score, with informants most commonly rating ADL impairments as more severe than patients.ConclusionsPatient and informant ratings of ADL function using FAQ items showed moderate agreement, with only few items reaching substantial agreement. Ratings of both were associated with patient cognitive status, but also other characteristics. In addition to patient and informant reports, objective measures are needed to accurately classify ADL deficits in PD.
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Affiliation(s)
- Sara Becker
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- Department of Psychology, Faculty of Arts, University of Calgary, Calgary, AB, Canada
| | - Susanne Solbrig
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- German Center for Neurodegenerative Diseases (DZNE), University of Tübingen, Tübingen, Germany
| | - Katja Michaelis
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- German Center for Neurodegenerative Diseases (DZNE), University of Tübingen, Tübingen, Germany
| | - Bettina Faust
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- German Center for Neurodegenerative Diseases (DZNE), University of Tübingen, Tübingen, Germany
| | - Kathrin Brockmann
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- German Center for Neurodegenerative Diseases (DZNE), University of Tübingen, Tübingen, Germany
| | - Inga Liepelt-Scarfone
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- German Center for Neurodegenerative Diseases (DZNE), University of Tübingen, Tübingen, Germany
- Studienzentrum Stuttgart, IB Hochschule für Gesundheit und Soziales, Stuttgart, Germany
- *Correspondence: Inga Liepelt-Scarfone,
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Oedekoven C, Egeri L, Jessen F, Wagner M, Dodel R. Subjective cognitive decline in idiopathic Parkinson´s disease: A systematic review. Ageing Res Rev 2022; 74:101508. [PMID: 34740867 DOI: 10.1016/j.arr.2021.101508] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 10/23/2021] [Accepted: 10/29/2021] [Indexed: 12/31/2022]
Abstract
Cognitive symptoms of Parkinson's disease (PD) have been long underestimated, but are some of the most disabling non-motor features of the disease. In order to establish signs that allow for earlier detection of cognitive decline in PD, the concept of `subjective cognitive decline´ (SCD) has gained a growing interest. SCD refers to patients who report a decline in subjective cognitive capacities, while their results on neuropsychological tests are within the normal performance range, indicating adequate cognitive functions. The aim of this review was to evaluate the concept of SCD in PD and give an overview of the current research. A systematic literature search in PubMed was performed to identify articles published before December 2020. We included 18 studies with a total of n = 2,654 patients. While there is currently no consensus on research or clinical criteria for SCD in PD, this review presents the accumulated evidence for SCD in PD patients and supports the importance of early identification of cognitive deficits, due to the relatively high prevalence for SCD in PD and the added risk of future cognitive impairment it entails. The publications included in this review indicate that SCD may be part of the PD spectrum but further research is needed. Expanding research on SCD in PD will allow for earlier detection of cognitive impairment and may foster preventive interventions.
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Affiliation(s)
- Christiane Oedekoven
- Chair of Geriatric Medicine, University Duisburg-Essen, Center for Translational Neurological and Behavioural Research, University Hospital, University Duisburg-Essen, Germany
| | - Leonie Egeri
- Chair of Geriatric Medicine, University Duisburg-Essen, Center for Translational Neurological and Behavioural Research, University Hospital, University Duisburg-Essen, Germany
| | - Frank Jessen
- Department of Psychiatry, University of Cologne Medical Faculty, Cologne, Germany; DZNE, German Center for Neurodegenerative Diseases, Bonn/Cologne, Germany
| | - Michael Wagner
- DZNE, German Center for Neurodegenerative Diseases, Bonn/Cologne, Germany; Department of Neurodegenerative Diseases and Geriatric Psychiatry, University Hospital Bonn, Germany
| | - Richard Dodel
- Chair of Geriatric Medicine, University Duisburg-Essen, Center for Translational Neurological and Behavioural Research, University Hospital, University Duisburg-Essen, Germany.
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Ko D, Dietrich MS, Gifford KA, Ridner SH. Subjective Cognition Reported by Caregivers Is Correlated With Objective Cognition in Liver Transplant Recipients. Liver Transpl 2022; 28:269-279. [PMID: 34137503 PMCID: PMC8785255 DOI: 10.1002/lt.26213] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 06/09/2021] [Accepted: 06/13/2021] [Indexed: 02/03/2023]
Abstract
Objective cognitive assessments, a gold standard diagnostic tool for cognitive impairment, may not be feasible in busy liver transplantation (LT) practice because they are often time consuming. This study determined whether subjective cognition, patients' self-ratings and/or caregivers' ratings of patients' cognition, reflects objective cognition in LT recipients. A convenience sample of 60 adult LT recipients and their caregivers, recruited at a single transplant center, participated in this cross-sectional descriptive study. Subjective cognition (ie, recipient self-rated and caregiver rated) was measured using the Everyday Cognition (ECog; global and 6 domain scores). Objective global and domain-specific cognition of recipients was measured using the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS), Trail Making Test parts A and B, Digit Span Backward, and Rey-Osterrieth Complex Figure. Agreement between LT recipients' ECog scores and those of their caregivers was fair to moderate (intraclass correlation coefficient = 0.48 for global score, 0.35-0.56 for domain scores). Significant, albeit rather weak, correlations were found between subjective and objective scores. Recipients' ECog visuospatial abilities scores were correlated with Rey-Osterrieth Complex Figure scores (rs = -0.39; P = 0.007), whereas caregivers' ECog global, attention, visuospatial abilities, and organization scores were, respectively, correlated with the scores of RBANS global (rs = -0.33; P = 0.04) and attention (rs = -0.46; P = 0.005), Rey-Osterrieth Complex Figure (Copy; rs = -0.34; P = 0.03), and Trail Making Test part A (rs = 0.31; P = 0.049). The findings suggest that caregivers may estimate LT recipients' cognition better than recipients themselves. Caregivers may provide supplemental information that could be useful for clinicians when considering the cognitive functioning of LT recipients.
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Affiliation(s)
- Dami Ko
- School of Nursing, Bouvé College of Health Sciences, Northeastern University, Boston, Massachusetts
| | - Mary S. Dietrich
- School of Nursing, Vanderbilt University, Nashville, Tennessee,Department of Biostatistics, School of Medicine, Vanderbilt University, Nashville, Tennessee,Vanderbilt Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Katherine A. Gifford
- Vanderbilt Memory and Alzheimer’s Center, Vanderbilt University Medical Center, Nashville, Tennessee,Department of Neurology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Sheila H. Ridner
- School of Nursing, Vanderbilt University, Nashville, Tennessee,Vanderbilt Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, Tennessee
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13
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Ko J, Ha J, Lee JJ, Jin S, Lee J, Baek MS, Hong JY. Reliability and Validity of the Subjective Cognitive Complaints Questionnaire for Parkinson’s Disease (SCCQ-PD). J Clin Neurol 2022; 18:171-178. [PMID: 35196748 PMCID: PMC8926760 DOI: 10.3988/jcn.2022.18.2.171] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/30/2021] [Accepted: 08/30/2021] [Indexed: 11/19/2022] Open
Abstract
Background and Purpose Subjective cognitive complaints (SCCs) are gaining attention as a self-perceived symptom for cognitive impairment in patients with Parkinson’s disease (PD), but there are few suitable tools for assessing SCCs in PD. This study aimed to develop and validate a questionnaire for assessing SCCs in PD, called the Subjective Cognitive Complaints Questionnaire for Parkinson’s Disease (SCCQ-PD). Methods The SCCQ-PD consists of 12 yes/no questions on subjective cognitive function, and the questionnaire was completed by patients with PD (score-P) and their caregivers (score-C). The cognitive function of patients was examined using comprehensive neuropsychological tests. Results This study included 73 patients (38 cognitively normal, 25 with mild cognitive impairment [MCI], and 10 demented) and their caregivers. Score-P and score-C had excellent reliability (Kuder-Richardson formula 20 coefficients of 0.893 and 0.931, respectively), and the scores exhibited a strong intercorrelation. Both score-P and score-C were negatively correlated with cognitive performance, and both were excellent in discriminating demented patients from those with normal cognition or MCI (areas under the receiver operating characteristic curve of 0.83 and 0.88, respectively). Conclusions The SCCQ-PD is a reliable tool for assessing SCCs in patients with PD. SCCs measured using the SCCQ-PD are correlated with objective cognitive decline and useful for discriminating demented patients from nondemented patients.
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Affiliation(s)
- Jeongmin Ko
- Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Joonyoung Ha
- Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Jae Jung Lee
- Department of Neurology, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea
| | - Sunjin Jin
- Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Jongwoo Lee
- Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Min Seok Baek
- Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Jin Yong Hong
- Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea
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Mapping Actuarial Criteria for Parkinson’s Disease-Mild Cognitive Impairment onto Data-Driven Cognitive Phenotypes. Brain Sci 2021; 12:brainsci12010054. [PMID: 35053799 PMCID: PMC8773733 DOI: 10.3390/brainsci12010054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/05/2021] [Accepted: 12/22/2021] [Indexed: 11/17/2022] Open
Abstract
Prevalence rates for mild cognitive impairment in Parkinson’s disease (PD-MCI) remain variable, obscuring the diagnosis’ predictive utility of greater dementia risk. A primary factor of this variability is inconsistent operationalization of normative cutoffs for cognitive impairment. We aimed to determine which cutoff was optimal for classifying individuals as PD-MCI by comparing classifications against data-driven PD cognitive phenotypes. Participants with idiopathic PD (n = 494; mean age 64.7 ± 9) completed comprehensive neuropsychological testing. Cluster analyses (K-means, Hierarchical) identified cognitive phenotypes using domain-specific composites. PD-MCI criteria were assessed using separate cutoffs (−1, −1.5, −2 SD) on ≥2 tests in a domain. Cutoffs were compared using PD-MCI prevalence rates, MCI subtype frequencies (single/multi-domain, executive function (EF)/non-EF impairment), and validity against the cluster-derived cognitive phenotypes (using chi-square tests/binary logistic regressions). Cluster analyses resulted in similar three-cluster solutions: Cognitively Average (n = 154), Low EF (n = 227), and Prominent EF/Memory Impairment (n = 113). The −1.5 SD cutoff produced the best model of cluster membership (PD-MCI classification accuracy = 87.9%) and resulted in the best alignment between PD-MCI classification and the empirical cognitive profile containing impairments associated with greater dementia risk. Similar to previous Alzheimer’s work, these findings highlight the utility of comparing empirical and actuarial approaches to establish concurrent validity of cognitive impairment in PD.
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15
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Koyuncu H, Fidan V, Toktas H, Binay O, Celik H. Effect of ketogenic diet versus regular diet on voice quality of patients with Parkinson's disease. Acta Neurol Belg 2021; 121:1729-1732. [PMID: 32892250 DOI: 10.1007/s13760-020-01486-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 08/26/2020] [Indexed: 11/24/2022]
Abstract
Diets that have effects on health problems can vary in their composition. Whilst following a regular diet (RD) a person typically consumes about 30% of calories from fat. Ketogenic diet (KD) is a form of diet whereby a person consumes as much as 90% of calories from fat. KD has been trialed as a treatment for neurological diseases and obesity. Parkinson's disease (PD) is a neurologic disease that impacts the quality of voice. Voice Handicap Index (VHI) is a test that gives information to clinical and physiological assessment about voice. We assessed the impact of KD and RD on voice quality (VQ). Seventy-four patients with PD who reported a voice disorder related to their disease were randomly assigned to the KD or RD groups. We investigated the VHI change of subjects before and 3 months after diet. Sixty-eight PD patients completed the study. Baseline VHI values did not differ significantly between groups. All mean VHI parameters improved in KD group (p˂ 0.001). Currently there are different therapies that address speech and voice disorders in patients with PD. As such KD may be an alternative therapy to improve VQ of patients with PD. A larger sample size is necessary to determine the role and pathophysiology of KD on VQ of PD patients.
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Affiliation(s)
- Handan Koyuncu
- Department of Otorhinolaryngology, Eskisehir Gov Hosp, Cavdarlar Street, Eskisehir, 26080, Turkey
| | - Vural Fidan
- Department of Otorhinolaryngology, Eskisehir Gov Hosp, Cavdarlar Street, Eskisehir, 26080, Turkey.
| | - Hayal Toktas
- Department of Neurology, Atasehir Memorial Hospital, Istanbul, Turkey
| | - Omer Binay
- Department of Otorhinolaryngology, Corlu State Hospital, Tekirdag, Turkey
| | - Hamit Celik
- Department of Neurology, Buhara Hospital, Erzurum, Turkey
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16
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Yoo HS, Kwon H, Chung SJ, Sohn YH, Lee JM, Lee PH. Neural correlates of self-awareness of cognitive deficits in non-demented patients with Parkinson's disease. Eur J Neurol 2021; 28:4022-4030. [PMID: 34478599 DOI: 10.1111/ene.15095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 08/27/2021] [Accepted: 08/30/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND PURPOSE The aim was to investigate the neural correlates of impaired self-awareness of cognitive deficits (IACd) in non-demented patients with Parkinson's disease (PD). METHODS This cross-sectional study enrolled 153 drug-naïve and non-demented PD patients who underwent brain magnetic resonance imaging, dopamine transporter (DAT) positron emission tomography, detailed neuropsychological testing, and the Cognitive Complaints Interview at baseline. Based on the presence of mild cognitive impairment and subjective cognitive complaints, patients were grouped into those with IACd (PD-IACd+, n = 33) and those with normal recognition of cognitive function (n = 82) or underestimation of cognitive function (n = 38). Cortical thickness, white matter (WM) integrity, DAT availability and cognitive function were compared between the groups. RESULTS The prevalence of IACd was 21.6% in drug-naïve patients with PD. The PD-IACd+ group had a lower z-score in the Stroop color reading test than the other groups. Patients in the PD-IACd+ group had WM disintegrity, especially in the genu of the corpus callosum and anterior limb of the internal capsule, compared to those without IACd, whilst cortical thickness or striatal DAT availability was comparable regardless of the presence of IACd. Amongst patients with mild cognitive impairment, those with IACd had more severe WM disintegrity than those without IACd. CONCLUSION Structural connectivity between and from the frontal lobes is closely associated with self-awareness of cognitive deficits in PD. Evaluating frontal structural connectivity from the early stages of PD will be important in assessing the actual cognitive and daily life performance of patients with PD.
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Affiliation(s)
- Han Soo Yoo
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea
| | - Hyeokjin Kwon
- Department of Electronic Engineering, Hanyang University, Seoul, South Korea
| | - Seok Jong Chung
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea
| | - Young H Sohn
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea
| | - Jong-Min Lee
- Department of Biomedical Engineering, Hanyang University, Seoul, South Korea
| | - Phil Hyu Lee
- Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, South Korea
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17
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Becker S, Pauly C, Lawton M, Hipp G, Bowring F, Sulzer P, Hu M, Krüger R, Gasser T, Liepelt-Scarfone I. Quantifying activities of daily living impairment in Parkinson's disease using the Functional Activities Questionnaire. Neurol Sci 2021; 43:1047-1054. [PMID: 34109514 PMCID: PMC8789696 DOI: 10.1007/s10072-021-05365-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 05/29/2021] [Indexed: 10/29/2022]
Abstract
OBJECTIVE Cognitive-driven activity of daily living (ADL) impairment in Parkinson's disease (PD) is increasingly discussed as prodromal marker for dementia. Diagnostic properties of assessments for this specific ADL impairment are sparsely investigated in PD. The ability of the Functional Activities Questionnaire (FAQ) for differentiating between PD patients with normal cognition and with mild cognitive impairment (PD-MCI), according to informant and self-reports, was examined. Global cognitive function in groups with and without mild ADL impairment was compared according to different cut-offs. METHODS Multicenter data of 589 patients of an international cohort (CENTRE-PD) were analyzed. Analyses were run separately for informant-rated and self-rated FAQ. Receiver operating characteristic (ROC) analysis was conducted to define the optimal FAQ cut-off for PD-MCI (≥ 1), and groups were additionally split according to reported FAQ cut-offs for PD-MCI in the literature (≥ 3, ≥ 5). Binary logistic regressions examined the effect of the Montreal Cognitive Assessment (MoCA) score in PD patients with and without mild ADL impairment. RESULTS Two hundred and twenty-five (38.2%) patients were classified as PD-MCI. For all three cut-off values, sensitivity was moderate to low (< 0.55), but specificity was moderately high (> 0.54) with a tendency of higher values for self-reported deficits. For the self-report, the cut-off ≥ 3 showed a significant effect of the MoCA (B = - 0.31, p = 0.003), where FAQ ≥ 3 patients had worse cognition. No effect for group differences based on informant ratings was detected. CONCLUSION Our data argue that self-reported ADL impairments assessed by the FAQ show a relation to the severity of cognitive impairment in PD.
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Affiliation(s)
- Sara Becker
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany.,German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Claire Pauly
- Clinical and Experimental Neuroscience, Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Luxembourg, Luxembourg.,Parkinson's Research Clinic, Centre Hospitalier de Luxembourg (CHL), Luxembourg, Luxembourg
| | - Michael Lawton
- Department of Population Health Sciences, University of Bristol, Bristol, UK
| | - Geraldine Hipp
- Clinical and Experimental Neuroscience, Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Luxembourg, Luxembourg.,Parkinson's Research Clinic, Centre Hospitalier de Luxembourg (CHL), Luxembourg, Luxembourg
| | - Francesca Bowring
- Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK.,Oxford Parkinson's Disease Centre, University of Oxford, Oxford, UK
| | - Patricia Sulzer
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany.,German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Michele Hu
- Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK.,Oxford Parkinson's Disease Centre, University of Oxford, Oxford, UK
| | - Rejko Krüger
- Clinical and Experimental Neuroscience, Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Luxembourg, Luxembourg.,Parkinson's Research Clinic, Centre Hospitalier de Luxembourg (CHL), Luxembourg, Luxembourg.,Transversal Translational Medicine, Luxembourg Institute of Health (LIH), Strassen, Luxembourg
| | - Thomas Gasser
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany.,German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Inga Liepelt-Scarfone
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany. .,German Center for Neurodegenerative Diseases, Tübingen, Germany. .,Studienzentrum Stuttgart, IB Hochschule, Stuttgart, Germany.
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18
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Informant-Reported Cognitive Decline is Associated with Objective Cognitive Performance in Parkinson's Disease. J Int Neuropsychol Soc 2021; 27:439-449. [PMID: 33292885 DOI: 10.1017/s1355617720001137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The utility of informant-based measures of cognitive decline to accurately describe objective cognitive performance in Parkinson's disease (PD) without dementia is uncertain. Due to the clinical relevance of this information, the purpose of this study was to examine the relationship between informant-based reports of patient cognitive decline via the Informant Questionnaire of Cognitive Decline in the Elderly (IQCODE) and objective cognition in non-demented PD controlling for cognitive status (i.e., mild cognitive impairment; PD-MCI and normal cognition; PD-NC). METHOD One-hundred and thirty-nine non-demented PD participants (PD-MCI n = 38; PD-NC n = 101) were administered measures of language, executive function, attention, learning, delayed recall, visuospatial function, mood, and motor function. Each participant identified an informant to complete the IQCODE and a mood questionnaire. RESULTS Greater levels of informant-based responses of patient cognitive decline on the IQCODE were significantly associated with worse objective performance on measures of global cognition, attention, learning, delayed recall, and executive function in the overall sample, above and beyond covariates and cognitive status. However, the IQCODE was not significantly associated with language or visuospatial function. CONCLUSIONS Results indicate that informant responses, as measured by the IQCODE, may provide adequate information on a wide range of cognitive abilities in non-demented PD, including those with MCI and normal cognition. Findings have important clinical implications for the utility of the IQCODE in the identification of PD patients in need of further evaluation, monitoring, and treatment.
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19
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Correlates of the discrepancy between objective and subjective cognitive functioning in non-demented patients with Parkinson's disease. J Neurol 2021; 268:3444-3455. [PMID: 33723623 PMCID: PMC8357714 DOI: 10.1007/s00415-021-10519-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/08/2021] [Accepted: 03/10/2021] [Indexed: 11/05/2022]
Abstract
Background Subjective complaints of cognitive deficits are not necessarily consistent with objective evidence of cognitive impairment in Parkinson’s disease (PD). Here we examined the factors associated with the objective-subjective cognitive discrepancy. Methods We consecutively enrolled 90 non-demented patients with PD who completed the Parkinson’s Disease Cognitive Functional Rating Scale (subjective cognitive measure) and the Montreal Cognitive Assessment (MoCA; objective cognitive measure). The patients were classified as “Overestimators”, “Accurate estimators”, and “Underestimators” on the basis of the discrepancy between the objective vs. subjective cognitive measures. To identify the factors distinguishing these groups from each other, we used chi-square tests or one-way analyses of variance, completed by logistic and linear regression analyses. Results Forty-nine patients (54.45%) were classified as “Accurate estimators”, 29 (32.22%) as “Underestimators”, and 12 (13.33%) as “Overestimators”. Relative to the other groups, the “Underestimators” scored higher on the Fatigue Severity Scale (FSS), Beck Depression Inventory (BDI), and Parkinson Anxiety Scale (p < 0.01). Logistic regression confirmed that FSS and BDI scores distinguished the “Underestimators” group from the others (p < 0.05). Linear regression analyses also indicated that FSS and BDI scores positively related to objective-subjective cognitive discrepancy (p < 0.01). “Overestimators” scored lower than other groups on the MoCA’s total score and attention and working memory subscores (p < 0.01). Conclusion In more than 45% of consecutive non-demented patients with PD, we found a ‘mismatch’ between objective and subjective measures of cognitive functioning. Such discrepancy, which was related to the presence of fatigue and depressive symptoms and frontal executive impairments, should be carefully evaluated in clinical setting. Supplementary Information The online version contains supplementary material available at 10.1007/s00415-021-10519-4.
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Gasca‐Salas C, Duff‐Canning S, Armstrong MJ, Eslinger PJ, Schneider RB, Kennedy N, Chou KL, Persad C, Litvan I, Weintraub S, Marras C. Parkinson disease with mild cognitive impairment: Domain-specific cognitive complaints predict dementia. Acta Neurol Scand 2020; 142:585-596. [PMID: 32740919 DOI: 10.1111/ane.13326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 07/15/2020] [Accepted: 07/24/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND The presence of subjective cognitive complaints (SCC) as a predictor of cognitive impairment in Parkinson´s disease (PD) has shown conflicting results. Most previous studies only assessed complaints in the memory domain. We investigate the association of SCCs across cognitive domains with development of mild cognitive impairment (PD-MCI) and dementia (PDD) in PD and to assess agreement between SCCs and objective cognitive impairments in this population. METHODS This is a retrospective analysis of a prospective cohort study. Participants were enrolled at six North-American movement disorders centers. They underwent neuropsychological and non-cognitive clinical evaluations, including the modified Neurobehavioral Inventory to elicit SCC (rated by each patient and independently by their close contact (CC)). Associations between SCCs and development of future cognitive impairment were assessed. Agreement between SCCs and objective impairment within the same domain was also calculated. RESULTS Of 138 included PD patients, 42% fulfilled criteria for PD-MCI. None of the NBI items predicted development of cognitive impairment after one and two years in PD with normal cognition. In PD-MCI patients, SCCs related to attention predicted dementia at year one. CC ratings of SCCs related to memory and language problems predicted PDD in PD-MCI patients. According to CC reported patients' complaints, there was a significant agreement between SCCs and objective cognitive test scores on attention. CONCLUSIONS Eliciting SCCs including cognitive domains other than memory is crucial for a complete evaluation, including both patient and CC report. Memory, language, and especially attention SCCs in PD-MCI may predict progression to dementia.
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Affiliation(s)
- Carmen Gasca‐Salas
- Centre for Integrative Neuroscience AC HM Puerta del Sur CEU San Pablo University Madrid Spain
| | - Sarah Duff‐Canning
- The Morton Shulman Movement Disorders Centre and the Edmond J Safra Program in Parkinson’s Disease Toronto Western HospitalUniversity of Toronto Toronto ON Canada
| | - Melissa J. Armstrong
- Department of Neurology University of Florida College of Medicine Gainesville FL USA
| | - Paul J. Eslinger
- Department of Neurology Penn State Hershey Medical Center Hershey PA USA
| | | | - Nancy Kennedy
- Mesulam Center for Cognitive Neurology and Alzheimer’s Disease Northwestern University Feinberg School of Medicine Chicago IL USA
| | - Kelvin L. Chou
- Department of Neurology University of Michigan Ann Arbor MI USA
| | - Carol Persad
- Neuropsychology Program Department of Psychiatry Michigan Medicine and the University Center for Language and Literacy Mary A. Rackham InstituteUniversity of Michigan Ann Arbor MI USA
| | - Irene Litvan
- UC San Diego Department of Neurosciences Parkinson and Other Movement Disorders Center San Diego CA USA
| | - Sandra Weintraub
- Department of Neurology University of Michigan Ann Arbor MI USA
- Department of Psychiatry and Behavioral Sciences Northwestern University Feinberg School of Medicine Chicago IL USA
| | - Connie Marras
- The Morton Shulman Movement Disorders Centre and the Edmond J Safra Program in Parkinson’s Disease Toronto Western HospitalUniversity of Toronto Toronto ON Canada
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Salmi J, Ritakallio L, Fellman D, Ellfolk U, Rinne JO, Laine M. Disentangling the Role of Working Memory in Parkinson's Disease. Front Aging Neurosci 2020; 12:572037. [PMID: 33088273 PMCID: PMC7544957 DOI: 10.3389/fnagi.2020.572037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 08/18/2020] [Indexed: 11/13/2022] Open
Abstract
Working memory (WM) represents a core cognitive function with a major striatal contribution, and thus WM deficits, commonly observed in Parkinson’s disease (PD), could also relate to many other problems in PD patients. Our online study aimed to determine the subdomains of WM that are particularly affected in PD and to clarify the links between WM and everyday cognitive deficits, other executive functions, psychiatric and PD symptoms, as well as early cognitive impairment. Fifty-two mild-to-moderate PD patients and 54 healthy controls performed seven WM tasks tapping selective updating, continuous monitoring, or maintenance of currently active information. Self-ratings of everyday cognition, depression, and apathy symptoms, as well as screenings of global cognitive impairment, were also collected. The data were analyzed using structural equation modeling. Of the three WM domains, only selective updating was directly predictive of PD group membership. More widespread WM deficits were observed only in relation to global cognitive impairment in PD patients. Self-rated everyday cognition or psychiatric symptoms were not linked to WM performance but correlated with each other. Our findings suggest that WM has a rather limited role in the clinical manifestation of PD. Nevertheless, due to its elementary link to striatal function, the updating component of WM could be a candidate for a cognitive marker of PD also in patients who are otherwise cognitively well-preserved.
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Affiliation(s)
- Juha Salmi
- Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, Finland.,Department of Psychology and Speech-Language Pathology, University of Turku, Turku, Finland.,Turku Institute for Advanced Studies, University of Turku, Turku, Finland.,Department of Psychology, Åbo Akademi University, Turku, Finland
| | - Liisa Ritakallio
- Department of Psychology, Åbo Akademi University, Turku, Finland
| | - Daniel Fellman
- Department of Psychology, Åbo Akademi University, Turku, Finland.,Department of Applied Educational Science, Umeå University, Umeå, Sweden
| | - Ulla Ellfolk
- Department of Psychology, Åbo Akademi University, Turku, Finland.,Department of Psychiatry, Visby County Hospital, Visby, Sweden
| | - Juha O Rinne
- Division of Clinical Neurosciences, Turku University Hospital, Turku, Finland.,Turku PET Centre, University of Turku, Turku, Finland
| | - Matti Laine
- Department of Psychology, Åbo Akademi University, Turku, Finland.,Turku Brain and Mind Center, University of Turku, Turku, Finland
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22
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Cognitive impairment in Parkinson's disease: Associations between subjective and objective cognitive decline in a large longitudinal study. Parkinsonism Relat Disord 2020; 80:127-132. [PMID: 32987359 DOI: 10.1016/j.parkreldis.2020.09.028] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 09/14/2020] [Accepted: 09/18/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND Cognitive decline creates substantial morbidity and cost in Parkinson's disease (PD) and clinicians have limited tools for counseling patients on prognosis. We aimed to use data from a randomized, controlled trial of isradipine in Parkinson's disease (STEADY-PD III) to determine which objective cognitive domain deficits drive patient complaints of cognitive symptoms. METHODS Neuro-Quality of Life (Neuro-QoL) Cognition: General Concerns (GC), and Cognition: Executive Function (EF) (subjective measures), were administered at baseline, 1, 2, and 3 years in 324 people with PD. Baseline Montreal Cognitive Assessment (MoCA) was divided into 4 domains: visuospatial/executive, memory, attention, and language (objective measures). Spearman rank correlations and multiple regression models adjusted for other clinical variables evaluated associations between baseline Neuro-QoL domains and individual MoCA domains. Multiple regression models evaluated the association between baseline MoCA domain performance and Neuro-QoL change over three years. Cox proportional hazards predicted development of PD-MCI based on baseline and time-varying Neuro-QoL reporting. RESULTS Higher MoCA memory performance was associated with better Neuro-QoL-GC (β = 0.75, SE = 0.391, p = 0.05) and Neuro-QoL-EF (β = 0.81, SE = 0.36, p = 0.02) at baseline. There was a trend for baseline MoCA memory to predict the degree of subjective cognitive decline on the Neuro-QoL-EF (β = 0.70, SE = 0.42, p = 0.09). Baseline depression and anticholinergic use were associated with worsened Neuro-QoL-EF and Neuro-QoL-GC. Increasing subjective cognitive complaints in Neuro-QoL-EF were associated with development of PD-MCI over 3 years of follow-up (HR = 0.95, CI = 0.90-1.0, p = 0.039). CONCLUSIONS Objective memory impairment may be a stronger predictor than executive or visuospatial dysfunction for the presence of subjective cognitive complaints in early PD.
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Cholerton B, Poston KL, Tian L, Quinn JF, Chung KA, Hiller AL, Hu SC, Specketer K, Montine TJ, Edwards KL, Zabetian CP. Participant and Study Partner Reported Impact of Cognition on Functional Activities in Parkinson's Disease. Mov Disord Clin Pract 2019; 7:61-69. [PMID: 31970213 DOI: 10.1002/mdc3.12870] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/16/2019] [Accepted: 11/04/2019] [Indexed: 01/13/2023] Open
Abstract
Introduction Cognitive dysfunction is common in Parkinson's disease (PD) and associated with reduced functional abilities and increased dependence. To date, however, little is known about the relationship between performance of instrumental activities of daily living (IADLs) and cognitive stages in PD, and there are conflicting reports as to whether declines in specific cognitive domains predict IADL impairment. Methods Participants with PD were drawn from the Pacific Udall Center and included in the study if both participant and study partner IADL ratings and cognitive tests were completed (n = 192). Logistic regression analyses were performed to determine whether participant and/or study partner rating predicted mild cognitive impairment or dementia. Correlations are reported for the relationship between participant/study partner IADL reports as well as for specific cognitive tests. Results Although both participant and study partner ratings of IADL performance were associated with a diagnosis of PD with dementia, only participant self-rating of functional ability was significantly associated with a diagnosis of PD with mild cognitive impairment. Functional ability correlated most strongly with measures of processing speed, auditory working memory, and immediate verbal recall for both the participant and study partner ratings. Conclusion For participants with PD in the early stages of cognitive decline, self-rating may be more sensitive to the impact of cognitive changes on IADL function than ratings made by a knowledgeable study partner. Changes in executive function, processing speed, and learning may indicate a higher likelihood of IADL impairment. Careful assessment of cognition and IADL performance is recommended to permit individualized interventions prior to significant disability.
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Affiliation(s)
- Brenna Cholerton
- Department of Pathology Stanford University School of Medicine Palo Alto California USA
| | - Kathleen L Poston
- Department of Neurology and Neurological Sciences Stanford School of Medicine Palo Alto California USA
| | - Lu Tian
- Department of Biomedical Data Science Stanford University School of Medicine Palo Alto CA USA
| | - Joseph F Quinn
- Parkinson's Disease Research, Education, and Clinical Center Portland Veterans Affairs Health Care System Portland Oregon USA.,Department of Neurology Oregon Health and Science University Portland Oregon USA
| | - Kathryn A Chung
- Parkinson's Disease Research, Education, and Clinical Center Portland Veterans Affairs Health Care System Portland Oregon USA.,Department of Neurology Oregon Health and Science University Portland Oregon USA
| | - Amie L Hiller
- Parkinson's Disease Research, Education, and Clinical Center Portland Veterans Affairs Health Care System Portland Oregon USA.,Department of Neurology Oregon Health and Science University Portland Oregon USA
| | - Shu-Ching Hu
- Geriatric Research, Education, and Clinical Center Veterans Affairs Puget Sound Health Care System Seattle Washington USA.,Department of Neurology University of Washington School of Medicine Seattle Washington USA
| | - Krista Specketer
- Geriatric Research, Education, and Clinical Center Veterans Affairs Puget Sound Health Care System Seattle Washington USA
| | - Thomas J Montine
- Department of Pathology Stanford University School of Medicine Palo Alto California USA
| | - Karen L Edwards
- Department of Epidemiology University of California, Irvine, School of Medicine Irvine California USA
| | - Cyrus P Zabetian
- Geriatric Research, Education, and Clinical Center Veterans Affairs Puget Sound Health Care System Seattle Washington USA.,Department of Neurology University of Washington School of Medicine Seattle Washington USA
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Kjeldsen PL, Damholdt MF. Subjective cognitive complaints in patients with Parkinson's disease. Acta Neurol Scand 2019; 140:375-389. [PMID: 31433855 DOI: 10.1111/ane.13158] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 07/18/2019] [Accepted: 08/18/2019] [Indexed: 01/05/2023]
Abstract
Mild cognitive impairment (MCI) is common in Parkinson's disease (PD), affecting almost all patients with PD at some time. It has been shown that patients with PD, who express subjective cognitive complaints, are at a higher risk of eventually developing PD-MCI. This is corroborated by the Movement Disorders Society's (MDS) diagnostic criteria from 2012 for PD-MCI, from which it follows that a subjective cognitive complaint must be present in addition to objective cognitive impairment for a patient with PD to receive a diagnosis of PD-MCI. Nevertheless, there is currently no standardized measurement available for assessing subjective cognitive complaints. Therefore, this review aims to generate an overview of how subjective cognitive complaints are commonly operationalized in the empirical literature as well as whether they are found to be associated with the level of cognitive impairment. The findings revealed that a broad range of measures has been used to obtain subjective cognitive complaints and that there is little consistency between different studies with regard to how they have obtained these complaints, from whom they had obtained them, how many they have obtained, which types of complaints they have obtained and whether they were associated with cognitive impairment. Given the fact that the presence of subjective cognitive complaints is a requirement for setting a diagnosis, there is a need for more methodological consensus with regard to the measurement hereof.
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Affiliation(s)
- Pernille Louise Kjeldsen
- Department of Clinical Medicine Aarhus University Aarhus Denmark
- Department of Nuclear Medicine and PET Aarhus University Hospital Aarhus Denmark
| | - Malene Flensborg Damholdt
- Department of Clinical Medicine Aarhus University Aarhus Denmark
- Department of Psychology Aarhus University Aarhus Denmark
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25
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Swales M, Theodoros D, Hill AJ, Russell T. Communication service provision and access for people with Parkinson's disease in Australia: A national survey of speech-language pathologists. INTERNATIONAL JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2019; 21:572-583. [PMID: 30496696 DOI: 10.1080/17549507.2018.1537372] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 08/30/2018] [Accepted: 10/04/2018] [Indexed: 06/09/2023]
Abstract
Purpose: To determine the clinical practices of Australian speech-language pathologists in the management of communication disorders in people with Parkinson's disease (PwPD) and their perspectives on service provision.Method: A cross-sectional, mix-methods online survey was conducted. Nonprobability, purposive sampling was utilised to recruit speech-language pathologists who currently work with PwPD. Descriptive statistics and thematic analysis were employed.Result: Ninety-nine clinicians responded. Most offered services for both motor speech and cognitive-communication disorders, but a greater focus on the motor speech disorder was evident. A range of impairment and functional assessments and interventions were reported. Therapy was most commonly delivered one session a week over 4 or 6 weeks. Service, client and evidence barriers in the management of both communication disorders were identified. Most clinicians felt PwPD accessed communication services at stages later than optimal, they recognised a need to improve their services in varying degrees (92.3%), and believed not enough services exist for PwPD in Australia (78%). Cognitive-communication management was the highest requested area for further research evidence.Conclusion: This study captured the current practices of Australian speech-language pathologists in the management of communication disorders in PwPD. Findings may inform future service planning, research on service effectiveness and new management targets.
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Affiliation(s)
- Megan Swales
- Division of Speech Pathology, Centre for Research in Telerehabilitation, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, Australia and
| | - Deborah Theodoros
- Division of Speech Pathology, Centre for Research in Telerehabilitation, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, Australia and
| | - Anne J Hill
- Division of Speech Pathology, Centre for Research in Telerehabilitation, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, Australia and
| | - Trevor Russell
- Division of Physiotherapy, Centre for Research in Telerehabilitation, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, Australia
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26
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Jaakkola E, Joutsa J, Mäkinen E, Noponen T, Pitkonen M, Levo R, Mertsalmi T, Scheperjans F, Kaasinen V. Burden of non-motor symptoms in unclear parkinsonism and tremor: A study with [123I]FP-CIT SPECT. J Neurol Sci 2019; 404:124-127. [DOI: 10.1016/j.jns.2019.07.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 06/20/2019] [Accepted: 07/18/2019] [Indexed: 02/05/2023]
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27
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Cognitive Problems in Parkinson Disease: Perspectives and Priorities of Patients and Care Partners. Cogn Behav Neurol 2019; 32:16-24. [DOI: 10.1097/wnn.0000000000000184] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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28
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Subjective cognitive decline and progression to dementia in Parkinson’s disease: a long-term follow-up study. J Neurol 2019; 266:745-754. [DOI: 10.1007/s00415-019-09197-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 01/08/2019] [Accepted: 01/09/2019] [Indexed: 12/13/2022]
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We Are Caregivers: Social Identity Is Associated with Lower Perceived Stress among Rural Informal Caregivers. Can J Aging 2018; 38:59-75. [PMID: 30404674 DOI: 10.1017/s0714980818000430] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
ABSTRACTInformal caregivers often experience high stress levels with little support, especially in rural settings. With a mixed-methods approach, this research explored experiences of rural informal caregivers, including how social identification as a caregiver, social interactions, and formal and informal coping support related to perceived stress. Major focus group themes (n = 8) included lacking available services, balancing challenges, unmet practical needs, and strong community identity. Survey data (n = 22) revealed that perceived coping support (e.g., having someone to turn to), social interactions, and caregiver identity (e.g., perceiving the role as important to one's self-concept) were associated with lower life upset stress, but only caregiver identity was associated with managing the personal distress and negative feelings associated with caregiving stress. Results suggest that, although available rural services may fall short, other options might alleviate caregiver stress, including facilitating access to coping support, encouraging social interactions, and enhancing caregiver social identity.
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30
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Tröster AI. Some Clinically Useful Information that Neuropsychology Provides Patients, Carepartners, Neurologists, and Neurosurgeons About Deep Brain Stimulation for Parkinson's Disease. Arch Clin Neuropsychol 2018; 32:810-828. [PMID: 29077802 PMCID: PMC5860398 DOI: 10.1093/arclin/acx090] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 09/06/2017] [Indexed: 12/02/2022] Open
Abstract
Deep brain stimulation (DBS) is an effective (but non-curative) treatment for some of the motor symptoms and treatment complications associated with dopaminergic agents in Parkinson's disease (PD). DBS can be done relatively safely and is associated with quality of life gains. In most DBS centers, neuropsychological evaluations are performed routinely before surgery, and sometimes after surgery. The purpose of such evaluation is not to decide solely on its results whether or not to offer DBS to a given candidate, but to provide the patient and treatment team with the best available information to make reasonable risk-benefit assessments. This review provides information relevant to the questions often asked by patients and their carepartners, neurologists, and neurosurgeons about neuropsychological outcomes of DBS, including neuropsychological adverse event rates, magnitude of cognitive changes, outcomes after unilateral versus bilateral surgery directed at various targets, impact of mild cognitive impairment (MCI) on outcome, factors implicated in neurobehavioral outcomes, and safety of newer interventions or techniques such as asleep surgery and current steering.
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Affiliation(s)
- Alexander I Tröster
- Department of Clinical Neuropsychology and Center for Neuromodulation, Barrow Neurological Institute, Phoenix, AZ, USA
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31
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Pillai JA, Bonner‐Jackson A, Floden D, Fernandez H, Leverenz JB. Lack of Accurate Self-appraisal is Equally Likely in MCI from Parkinson's Disease and Alzheimer's Disease. Mov Disord Clin Pract 2018; 5:283-289. [PMID: 30363404 PMCID: PMC6174380 DOI: 10.1002/mdc3.12606] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 01/22/2018] [Accepted: 02/15/2018] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND How accurate are mild cognitive impairment (MCI) patients in assessing their cognitive and functional deficit is often unclear to the clinician. The accuracy of patient self-appraisal in Parkinson's disease-MCI (PD-MCI) has received less attention than amnestic MCI (a-MCI) often associated with Alzheimer's disease. We evaluated if PD-MCI patients demonstrate accurate self-appraisal of their cognitive deficits compared to patients with amnestic a-MCI or non-amnestic MCI (na-MCI). METHODS This cross-sectional cohort study included, 30 PD-MCI, 33 a-MCI, and 17 na-MCI patients. Self-appraisal was assessed by comparing responses of caregivers and patients on a validated self-rating questionnaire of cognitive and functional impairments. All patients completed a full neuropsychological evaluation and depression screening measure. Univariate ANOVA, regression, and correlational analyses were employed to identify group differences in self-appraisal scores and relationships between cognitive and functional impairment, depression measures, and self-appraisal scores. RESULTS Self-appraisal scores for PD-MCI did not differ significantly from a-MCI and na-MCI. In the PD-MCI group, higher depression scores were associated with lower self-appraisal scores (i.e, patients assessed cognition as worse than caregivers). In a stepwise regression model with self-appraisal scores as the dependent variable, only the depression score was significant predictor among PD-MCI and accounted for 50% of the variance. CONCLUSIONS Our findings suggest that impaired patient self-appraisal is equally likely to occur in PD-MCI as in a-MCI and na-MCI patients. Among PD-MCI, depression was the strongest predictor of impaired patient self-appraisal. Impaired insight into cognitive impairment and depression should be considered in both care and research with PD patients.
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Affiliation(s)
- Jagan A. Pillai
- Lou Ruvo Center for Brain HealthCleveland ClinicClevelandOH
- Neurological InstituteCleveland ClinicClevelandOH
| | - Aaron Bonner‐Jackson
- Lou Ruvo Center for Brain HealthCleveland ClinicClevelandOH
- Neurological InstituteCleveland ClinicClevelandOH
| | - Darlene Floden
- Center for Neurological RestorationCleveland ClinicClevelandOH
- Neurological InstituteCleveland ClinicClevelandOH
| | - Hubert Fernandez
- Center for Neurological RestorationCleveland ClinicClevelandOH
- Neurological InstituteCleveland ClinicClevelandOH
| | - James B. Leverenz
- Lou Ruvo Center for Brain HealthCleveland ClinicClevelandOH
- Neurological InstituteCleveland ClinicClevelandOH
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Nedergaard HK, Haberlandt T, Reichmann PD, Toft P, Jensen HI. Patients' opinions on outcomes following critical illness. Acta Anaesthesiol Scand 2018; 62:531-539. [PMID: 29315454 DOI: 10.1111/aas.13058] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 11/23/2017] [Accepted: 12/03/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND Our aim was to explore which outcomes are most important to patients following ICU-discharge, and to explore whether intensive care unit (ICU)-nurses and anesthesiologists are aware of patients' priorities. METHODS First, interviews with adult ICU-survivors were conducted until data saturation was achieved (10 interviews), and six areas with 36 items were identified. Second, interviews with another eight ICU-survivors were conducted, narrowing the list to 20. Finally, patients (inclusion criteria: consecutive adults, medical and surgical, ICU-admission > 5 days, 2-8 months post-ICU discharge) rated the items, as did ICU-nurses and anesthesiologists. RESULTS A total of 32 patients participated (44% women, medians: age 70.5, time since discharge 179 days, length of stay in ICU 9 days, APACHEII 19.5). The three most important outcomes defined by patients were: lack of physical strength, fatigue, and decreased walking distance. The top three for ICU-nurses (54 participants) were: fatigue, difficulties concentrating, sadness/depression, and for anesthesiologists (17 participants): fatigue, difficulties in activities of daily living, and lack of physical strength. CONCLUSION Patients chose lack of physical strength, fatigue, and decreased walking distance as the three most important outcomes following critical illness. Physicians had a higher focus on these physical impairments than ICU-nurses.
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Affiliation(s)
- H. K. Nedergaard
- Department of anesthesiology and intensive care; Lillebaelt Hospital; Kolding Denmark
- Institute for Clinical Research; University of Southern Denmark; Odense Denmark
| | - T. Haberlandt
- Department of anesthesiology and intensive care; Lillebaelt Hospital; Kolding Denmark
| | - P. D. Reichmann
- Department of anesthesiology and intensive care; Lillebaelt Hospital; Kolding Denmark
| | - P. Toft
- Department of anesthesiology and intensive care; Odense University Hospital; Odense C Denmark
| | - H. I. Jensen
- Department of anesthesiology and intensive care; Lillebaelt Hospital; Kolding Denmark
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Weintraub D, Tröster AI, Marras C, Stebbins G. Initial cognitive changes in Parkinson's disease. Mov Disord 2018; 33:511-519. [PMID: 29543342 PMCID: PMC5920539 DOI: 10.1002/mds.27330] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/02/2018] [Accepted: 01/04/2018] [Indexed: 01/05/2023] Open
Abstract
The focus on cognitive impairment in neurodegenerative diseases, including PD, is shifting from the dementia stage to earlier stages of impairment, including mild cognitive impairment. This shift is driven primarily by the desire to improve long-term outcomes by delivering therapeutic interventions earlier in the clinical course, even presymptomatically in those at highest risk, and at the initial stage in the pathophysiological cascade that underpins common dementia syndromes. This article focuses on key findings and challenges in studying earliest stages of cognitive decline in PD, including a detailed examination of neuropsychological testing, cognitive performance in early and prodromal PD, epidemiological research for PD mild cognitive impairment to date, and expert recommendations for assessment. © 2018 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Daniel Weintraub
- Departments of Psychiatry and Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Alexander I. Tröster
- Barrow Neurological Institute, Department of Clinical Neuropsychology and Barrow Center for Neuromodulation, Phoenix, AZ, USA
| | - Connie Marras
- Department of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Glenn Stebbins
- Rush University Medical Center, Department of Neurological Sciences, Chicago, IL, USA
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Dupouy J, Ory-Magne F, Mekies C, Rousseau V, Puel M, Rerat K, Pariente J, Brefel-Courbon C. Cognitive complaint in early Parkinson's disease: A pilot study. Acta Neurol Scand 2018; 137:59-66. [PMID: 28832893 DOI: 10.1111/ane.12808] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2017] [Indexed: 11/30/2022]
Abstract
BACKGROUND Subjective cognitive complaint (SCC) is a criterion recommended by the Movement Disorder Society (MDS) task force for the diagnosis of mild cognitive impairment (MCI). Until now there were few specific tools for detecting SCC in PD. We sought to develop a new tool to assess SCC specifically dedicated for PD. MATERIALS AND METHODS We set a group of experts in movements disorders and neurocognition to develop an easy-to-use tool based on a visual analogue scale (VAS) for five cognitive domains: memory, executive functions, spatial orientation, attention, and language. We use it to assess SCC twice (at a one-month interval) in PD patients with disease duration of less than 5 years. Comprehensibility of the VAS was assessed. Controls were assessed with the same VAS. Patients with PD also underwent neuropsychological testing. RESULTS VAS was easily understandable by the 70 patients with PD. We found significant SCC for the patients with PD vs controls in three cognitive domains: executive functions (1.7 ± 1.9 vs 0.8 ± 1.1; P < .001), language (2.3 ± 2.5 vs 1.0 ± 1.3, P < .001), and attention (2.1 ± 2.2 vs 1.2 ± 1.2; P < .01). Reproducibility between the two evaluations of patients with PD was good. There was no relationship between SCC and the results of neuropsychological testing. CONCLUSIONS SCC seems to appear early in PD, in three cognitive domains (executive functions, language, and attention), and VAS might be a good way to detect SCC in PD, but need to be validated.
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Affiliation(s)
- J. Dupouy
- Department of Neurology; University Hospital of Toulouse; Toulouse France
- University Paul Sabatier; Toulouse France
| | - F. Ory-Magne
- Department of Neurology; University Hospital of Toulouse; Toulouse France
- University Paul Sabatier; Toulouse France
- INSERM UMR 1214; Toulouse France
| | - C. Mekies
- Department of Neurology; Clinique des Cèdres; Cornebarrieu France
| | - V. Rousseau
- University Paul Sabatier; Toulouse France
- Faculty of Medicine; Department of Clinical Pharmacology; Toulouse France
| | - M. Puel
- University Paul Sabatier; Toulouse France
| | - K. Rerat
- Department of Neurosurgery; Université Paris Sud; Hopital Bicêtre; Assistance Publique, Hôpitaux de Paris; Paris France
| | - J. Pariente
- Department of Neurology; University Hospital of Toulouse; Toulouse France
- University Paul Sabatier; Toulouse France
- INSERM UMR 1214; Toulouse France
| | - C. Brefel-Courbon
- Department of Neurology; University Hospital of Toulouse; Toulouse France
- University Paul Sabatier; Toulouse France
- INSERM UMR 1214; Toulouse France
- Faculty of Medicine; Department of Clinical Pharmacology; Toulouse France
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Hong JY, Lee Y, Sunwoo MK, Sohn YH, Lee PH. Subjective Cognitive Complaints and Objective Cognitive Impairment in Parkinson's Disease. J Clin Neurol 2017; 14:16-21. [PMID: 29141280 PMCID: PMC5765251 DOI: 10.3988/jcn.2018.14.1.16] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 07/28/2017] [Accepted: 07/28/2017] [Indexed: 12/13/2022] Open
Abstract
Background and Purpose Subjective cognitive complaints (SCCs) are very common in patients with Parkinson's disease (PD). However, the relationship between SCCs and objective cognitive impairment is still unclear. This study aimed to determine whether SCCs are correlated with objective cognitive performance in patients with PD. Methods Totals of 148 cognitively normal patients, 71 patients with mild cognitive impairment (MCI), and 31 demented patients were recruited consecutively from a movement-disorders clinic. Their SCCs and cognitive performances were evaluated using the Cognitive Complaints Interview (CCI) and a comprehensive neuropsychological battery. Results The CCI score increased with age, duration of PD, and depression score, and was inversely correlated with cognitive performance. The association between CCI score and performance remained significant after adjustment for the depression score, age, and duration of PD. The CCI score could be used to discriminate patients with dementia from cognitively normal and MCI patients [area under the receiver operating characteristics curve (AUC) of 0.80], but not patients with MCI or dementia from cognitively normal patients (AUC of 0.67). Conclusions SCCs as measured by the CCI are strongly correlated with objective cognitive performance in patients with PD. The CCI can also be used to screen for dementia in patients with PD.
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Affiliation(s)
- Jin Yong Hong
- Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea.
| | - Yoonju Lee
- Department of Neurology and Brain Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Mun Kyung Sunwoo
- Department of Neurology, Bundang Jesaeng General Hospital, Seongnam, Korea
| | - Young H Sohn
- Department of Neurology and Brain Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Phil Hyu Lee
- Department of Neurology and Brain Research Institute, Yonsei University College of Medicine, Seoul, Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
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Biundo R, Weis L, Fiorenzato E, Antonini A. Cognitive Rehabilitation in Parkinson's Disease: Is it Feasible? Arch Clin Neuropsychol 2017; 32:840-860. [DOI: 10.1093/arclin/acx092] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 08/30/2017] [Indexed: 12/19/2022] Open
Affiliation(s)
- Roberta Biundo
- Parkinson's Disease and Movement Disorders Unit, San Camillo Hospital IRCCS, Venice, Italy
| | - Luca Weis
- Parkinson's Disease and Movement Disorders Unit, San Camillo Hospital IRCCS, Venice, Italy
| | - Eleonora Fiorenzato
- Parkinson's Disease and Movement Disorders Unit, San Camillo Hospital IRCCS, Venice, Italy
- Department of general Psychology, University of Padua, Padua, Italy
| | - Angelo Antonini
- Parkinson's Disease and Movement Disorders Unit, San Camillo Hospital IRCCS, Venice, Italy
- Department of Neuroscience, University of Padua, Padua, Italy
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37
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Biundo R, Fiorenzato E, Antonini A. Nonmotor Symptoms and Natural History of Parkinson's Disease: Evidence From Cognitive Dysfunction and Role of Noninvasive Interventions. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2017; 133:389-415. [PMID: 28802926 DOI: 10.1016/bs.irn.2017.05.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Parkinson's disease (PD) is a common neurodegenerative disorder, characterized by motor and nonmotor symptoms (NMS). Several subsequent studies substantiate the great functional burden related to NMS, their progression, and negative effect on quality of life in PD. Additional evidence indicates interesting relationships between striatal dopaminergic function and NMS. The basal ganglia are implicated in the modulation and integration of sensory information and pain, bladder function is under control of both inhibitory (D1) and facilitatory (D2) dopaminergic inputs, finally reduced dopaminergic activity in the mesocortical and mesolimbic pathways is involved in the development of several NMS including mood, motivational, and cognitive alterations. Some NMS fluctuate in response to dopaminergic treatment and are relieved by dopamine replacement therapy, other are insensitive to current therapeutic strategies. The relation among the overall disease complications, perhaps the most important for PD patients and family members' well-being and functionality is dementia that affects most PD patients over the course of disease. Specific pharmacological treatment is lacking, and alternative approaches have been implemented to improve everyday functionality and quality of life. The state of the art suggests that cognitive rehabilitation in PD is possible and may either increase performance or preserve cognitive level over the time. However, it is also evident that cognitive abnormalities in PD are heterogeneous and we still do not have biomarkers to detect early patients at risk for dementia. Cognitive dysfunction is one the most prevalent NMS and is a clinically and functionally important disease milestone. Given the available clinical and imaging evidence it is possible to use cognition to model NMS progression and design nonpharmacological interventions. In this chapter we will address the use of cognitive rehabilitation and noninvasive brain stimulation techniques to modulate cognitive performance and rescue connectivity in affected brain circuitry.
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Affiliation(s)
- Roberta Biundo
- Parkinson's Disease and Movement Disorders Unit, San Camillo Hospital IRCCS, Venice-Lido, Italy
| | - Eleonora Fiorenzato
- Parkinson's Disease and Movement Disorders Unit, San Camillo Hospital IRCCS, Venice-Lido, Italy; University of Padua, Padua, Italy
| | - Angelo Antonini
- Parkinson's Disease and Movement Disorders Unit, San Camillo Hospital IRCCS, Venice-Lido, Italy; University of Padua, Padua, Italy.
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Kudlicka A, Hindle JV, Spencer LE, Clare L. Everyday functioning of people with Parkinson’s disease and impairments in executive function: a qualitative investigation. Disabil Rehabil 2017; 40:2351-2363. [DOI: 10.1080/09638288.2017.1334240] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Aleksandra Kudlicka
- School of Psychology, University of Exeter, Exeter, UK
- PenCLAHRC, Institute of Health Research, University of Exeter Medical School, Exeter, United Kingdom
| | - John V. Hindle
- School of Psychology, Bangor University, Bangor, United Kingdom
- Department of Care of the Elderly, Llandudno Hospital, Betsi Cadwaladr University Health Board, Llandudno, United Kingdom
| | | | - Linda Clare
- School of Psychology, University of Exeter, Exeter, UK
- PenCLAHRC, Institute of Health Research, University of Exeter Medical School, Exeter, United Kingdom
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Federico A, Trentin M, Zanette G, Mapelli D, Picelli A, Smania N, Tinazzi M, Tamburin S. Diagnosing mild cognitive impairment in Parkinson's disease: which tests perform best in the Italian population? Neurol Sci 2017; 38:1461-1468. [PMID: 28550344 DOI: 10.1007/s10072-017-3000-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Accepted: 05/17/2017] [Indexed: 08/30/2023]
Abstract
Mild cognitive impairment (MCI) is common in patients with Parkinson's disease (PD) and should be recognized early because it represents a predictor of PD-related dementia and worse disease course. Diagnostic criteria for PD-related MCI (PD-MCI) have recently been defined by a Movement Disorders Society (MDS) task force. The present study explored which neuropsychological tests perform best for a level II (i.e., comprehensive neuropsychological assessment) diagnosis of PD-MCI according to the MDS task force criteria in Italian-speaking PD patients. To this aim, we assessed a comprehensive 23-item neuropsychological battery, derived the best-performing 10-test battery (i.e., two tests per domain for each of the five cognitive domains), and explored its accuracy for diagnosing PD-MCI in comparison to the full battery in a group of PD patients. A secondary aim was to explore the role of this battery for subtyping PD-MCI according to single-domain vs. multiple-domain involvement. The 10-test battery showed 73% sensitivity and 100% specificity for diagnosing PD-MCI, and 69% sensitivity and 100% specificity for PD-MCI subtyping. In patients older than 70 years, we derived a slightly different 10-test battery with 84% sensitivity and 100% specificity for PD-MCI diagnosis, and 86% sensitivity and 100% specificity for PD-MCI subtyping. These 10-item neuropsychological batteries might represent a good trade-off between diagnostic accuracy and time of application, and their role in PD-MCI diagnosis and subtyping should be further explored in future prospective studies.
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Affiliation(s)
- Angela Federico
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale Scuro 10, 37134, Verona, Italy
| | - Michela Trentin
- Neurology Unit Pederzoli Hospital, Peschiera del Garda, Italy
| | | | - Daniela Mapelli
- Department of General Psychology, Human Inspired Technologies Research Center, University of Padua, Padua, Italy
| | - Alessandro Picelli
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale Scuro 10, 37134, Verona, Italy.,Neuromotor and Cognitive Rehabilitation Research Centre, University of Verona, Verona, Italy
| | - Nicola Smania
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale Scuro 10, 37134, Verona, Italy.,Neuromotor and Cognitive Rehabilitation Research Centre, University of Verona, Verona, Italy
| | - Michele Tinazzi
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale Scuro 10, 37134, Verona, Italy
| | - Stefano Tamburin
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale Scuro 10, 37134, Verona, Italy.
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40
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Mills KA, Mari Z, Pontone GM, Pantelyat A, Zhang A, Yoritomo N, Powers E, Brandt J, Dawson TM, Rosenthal LS. Cognitive impairment in Parkinson's disease: Association between patient-reported and clinically measured outcomes. Parkinsonism Relat Disord 2016; 33:107-114. [PMID: 27733275 PMCID: PMC5154808 DOI: 10.1016/j.parkreldis.2016.09.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 09/16/2016] [Accepted: 09/24/2016] [Indexed: 12/12/2022]
Abstract
BACKGROUND In Parkinson's disease, the association between objective and patient-reported measures of cognitive dysfunction is unknown and highly relevant to research and clinical care. OBJECTIVE To determine which cognitive domain-specific Montreal Cognitive Assessment (MoCA) subscores are most strongly associated with patient-reported cognitive impairment on question 1 (Q1) of the Movement Disorders Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS). METHODS We analyzed data from 759 PD participants and 481 persons without PD with in a retrospective, cross sectional analysis using data from the NINDS Parkinson's Disease Biomarkers Program (PDBP), a longitudinal, multicenter biomarker study. The relationship between a patient-reported cognitive rating (MDS-UPDRS q1.1) and objective cognitive assessments (MoCA) was assessed using multinomial logistic regression modeling and the outcomes reported as conditional odds ratios (cOR's) representing the relative odds of a participant reporting cognitive impairment that is "slight" versus "normal" on MDS-UPDRSq1.1 for a one unit increase in a MoCA sub-score, adjusted for age and education. RESULTS In PD participants, changes in visuospatial-executive performance and memory had the most significant impact on subjective cognitive impairment. A 1-point increase in visuospatial-executive function decreased the chance of reporting a MDS-UPDRS Q1 score of "slight" versus "normal" by a factor of 0.686 (p < 0.001) and each 1 point improvement in delayed recall decreased the odds of reporting "slight" cognitive impairment by a factor of 0.836 (p < 0.001). CONCLUSIONS Conversion from a PD patient's report of "normal" to "slight" cognitive impairment may be associated with changes in visuospatial-executive dysfunction and memory more than other cognitive domains.
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Affiliation(s)
- Kelly A Mills
- Movement Disorders Division, Dept. of Neurology, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 6-181, Baltimore, MD, 21287, United States; Corresponding author. Johns Hopkins Dept. of Neurology, 600 N. Wolfe Street, Meyer 6-181D, Baltimore, MD, 21287, United States.
| | - Zoltan Mari
- Movement Disorders Division, Dept. of Neurology, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 6-181, Baltimore, MD, 21287, United States; Morris K. Udall Parkinson's Disease Research Center, Johns Hopkins University School of Medicine, 10751 Fall Road, Suite 250, Lutherville, MD 21093, Baltimore, MD, United States
| | - Gregory M Pontone
- Movement Disorders Division, Dept. of Neurology, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 6-181, Baltimore, MD, 21287, United States; Morris K. Udall Parkinson's Disease Research Center, Johns Hopkins University School of Medicine, 10751 Fall Road, Suite 250, Lutherville, MD 21093, Baltimore, MD, United States
| | - Alexander Pantelyat
- Movement Disorders Division, Dept. of Neurology, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 6-181, Baltimore, MD, 21287, United States; Morris K. Udall Parkinson's Disease Research Center, Johns Hopkins University School of Medicine, 10751 Fall Road, Suite 250, Lutherville, MD 21093, Baltimore, MD, United States
| | - Angela Zhang
- Morris K. Udall Parkinson's Disease Research Center, Johns Hopkins University School of Medicine, 10751 Fall Road, Suite 250, Lutherville, MD 21093, Baltimore, MD, United States
| | - Nadine Yoritomo
- Morris K. Udall Parkinson's Disease Research Center, Johns Hopkins University School of Medicine, 10751 Fall Road, Suite 250, Lutherville, MD 21093, Baltimore, MD, United States
| | - Emma Powers
- Morris K. Udall Parkinson's Disease Research Center, Johns Hopkins University School of Medicine, 10751 Fall Road, Suite 250, Lutherville, MD 21093, Baltimore, MD, United States
| | - Jason Brandt
- Division of Medical Psychology, Dept. of Psychiatry and Behavioral Science, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 218, Baltimore, MD, 21287, United States
| | - Ted M Dawson
- Movement Disorders Division, Dept. of Neurology, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 6-181, Baltimore, MD, 21287, United States; Morris K. Udall Parkinson's Disease Research Center, Johns Hopkins University School of Medicine, 10751 Fall Road, Suite 250, Lutherville, MD 21093, Baltimore, MD, United States; Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, United States; Solomon H. Snyder Department of Neuroscience, United States; Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, 21205, United States
| | - Liana S Rosenthal
- Movement Disorders Division, Dept. of Neurology, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 6-181, Baltimore, MD, 21287, United States; Morris K. Udall Parkinson's Disease Research Center, Johns Hopkins University School of Medicine, 10751 Fall Road, Suite 250, Lutherville, MD 21093, Baltimore, MD, United States
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41
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Lawrence BJ, Gasson N, Loftus AM. Prevalence and Subtypes of Mild Cognitive Impairment in Parkinson's Disease. Sci Rep 2016; 6:33929. [PMID: 27650569 PMCID: PMC5030649 DOI: 10.1038/srep33929] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 09/06/2016] [Indexed: 11/09/2022] Open
Abstract
The current study examined the prevalence and subtypes of Mild Cognitive Impairment (MCI) in an Australian sample of people with Parkinson’s Disease (PD). Seventy participants with PD completed neuropsychological assessments of their cognitive performance, using MDS Task Force Level II diagnostic criteria for PD-MCI. A cut-off score of less than one standard deviation (SD) below normative data determined impaired performance on a neuropsychological test. Of 70 participants, 45 (64%) met Level II diagnostic criteria for PD-MCI. Among those with PD-MCI, 42 (93%) were identified as having multiple domain impairment (28 as amnestic multiple domain and 14 as nonamnestic multiple domain). Single domain impairment was less frequent (2 amnestic/1 nonamnestic). Significant differences were found between the PD-MCI and Normal Cognition groups, across all cognitive domains. Multiple domain cognitive impairment was more frequent than single domain impairment in an Australian sample of people with PD. However, PD-MCI is heterogeneous and current prevalence and subtyping statistics may be an artifact of variable application methods of the criteria (e.g., cut off scores and number of tests). Future longitudinal studies refining the criteria will assist with subtyping the progression of PD-MCI, while identifying individuals who may benefit from pharmacological and nonpharmacological interventions.
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Affiliation(s)
- Blake J Lawrence
- Curtin Neuroscience Laboratory, School of Psychology and Speech Pathology, Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia.,ParkC Collaborative Research Group, Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia
| | - Natalie Gasson
- Curtin Neuroscience Laboratory, School of Psychology and Speech Pathology, Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia.,ParkC Collaborative Research Group, Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia
| | - Andrea M Loftus
- Curtin Neuroscience Laboratory, School of Psychology and Speech Pathology, Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia.,ParkC Collaborative Research Group, Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia
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