Publications by authors named "Schrag A"

Cognitive impairment is common in Parkinson's disease (PD) but has limited treatment options. Medication has shown some benefits but accompanied by risk of adverse events. We aimed to investigate effectiveness and feasibility of nonpharmacological interventions for people with PD and cognitive impairment on patient-centred outcomes.

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Background: Parkinson's disease is a complex progressive neurodegenerative disease increasing globally. Self-management interventions have shown promise in improving the quality of life for people with chronic conditions. This paper aims to describe the development processes and the core components of a facilitated self-management toolkit to support people with Parkinson's disease to self-manage their condition.

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Background: Little is known about factors modulating pain and pain-related functional impairment in isolated cervical dystonia (CD).

Objective: The aim was to assess the prevalence and interrelationship between pain-modulating factors and pain-related determinants of functional impairment and quality of life in CD.

Methods: We analyzed pain-aggravating and pain-relieving external factors, the degree of pain-related functional impact on routine activities, and the relationship between these and pain severity, using cross-sectional data collected using the Pain in Dystonia Scale (PIDS) from 85 participants with CD.

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Background: Health-related quality of life is an important patient-reported outcome, which can be assessed using instruments such as the Multiple System Atrophy (MSA) Quality of Life (MSA-QoL) scale. However, at 40-items its length can prove burdensome, particularly to patients with a disease such as MSA. This can contribute to respondent burden and poor-quality response data.

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Objectives: People with multiple system atrophy (MSA) and their carers may have many concerns about their disease and the future. This survey of people with MSA and their carers aimed to increase understanding of end-of-life care and palliative care for this group.

Methods: A survey was undertaken by the MSA Trust of people living with MSA and carers of those with the condition between August and October 2022.

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Depression in Parkinson disease (PD) is common, is disabling and responds poorly to standard antidepressants. Motivational symptoms of depression are particularly prevalent in PD and emerge with loss of dopaminergic innervation of the striatum. Optimizing dopaminergic treatment for PD can improve depressive symptoms.

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Background: Cognitive impairment is common in Parkinson's disease and is associated with poorer quality of life and increased caregiver distress, but little qualitative information is available on lived experiences of people with Parkinson's who also have cognitive impairment.

Objectives: The aim of this study was to explore the challenges of cognitive impairment in Parkinson's, triangulating the perspectives of people with Parkinson's, caregivers and healthcare professionals.

Methods: Semistructured interviews were conducted with 11 people with Parkinson's and cognitive impairment, 10 family caregivers and 27 healthcare professionals, using purposive sampling in the United Kingdom (2019-2021).

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Background: Pain is a frequent yet poorly characterized symptom of multiple system atrophy (MSA). Understanding the factors influencing pain and its burden is crucial for improving the symptomatic treatment and quality of life of MSA individuals.

Objective: This study aimed at assessing the prevalence, characteristics, and current treatment strategies for pain in MSA.

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Article Synopsis
  • The study aimed to create a shorter version of the Progressive Supranuclear Palsy quality of life scale (PSP-QoL) to make it easier for patients, especially those with cognitive impairments, to complete.
  • Involved a retrospective analysis of data from 245 PSP patients in Germany, resulting in a condensed 12-item scale that covers mental and physical aspects of daily living.
  • The new scale, called the PSP-ShoQoL, showed strong correlations with existing measures of quality of life and demonstrated its sensitivity to changes over time.
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Reduced spontaneous blinking is a recognized Parkinson's disease (PD) feature. In contrast, voluntary blinking has been less studied and might serve as a measurable marker of facial bradykinesia. We tested 31 PD patients and 31 controls.

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Purpose: To investigate the contributors to self-rated health in people with late-stage Parkinson's disease (PD) and cognitive impairment.

Methods: A secondary analysis of baseline data from the international Care of Late-Stage Parkinsonism (CLaSP) cohort study was conducted. Participants with PD and either dementia or mild cognitive impairment or MMSE < 24/30 in the absence of major depression were included if they had completed the EQ-5D-3L assessment (n = 277).

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Introduction: Real-world studies of lower-risk myelodysplastic syndromes (LR-MDS) are limited. We evaluated treatment patterns, clinical outcomes, and healthcare resource utilization (HCRU) among patients with LR-MDS treated with erythropoiesis-stimulating agents (ESAs) in the United States.

Patients And Methods: This retrospective study included patients with LR-MDS who initiated treatment with ESAs between January 1, 2016 and June 30, 2019.

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The effects of subthalamic nucleus deep brain stimulation (STN-DBS) on anxiety in Parkinson's disease (PD) are understudied. We identified clinical predictors of STN-DBS effects on anxiety in this study. In this prospective, open-label, multicentre study, we assessed patients with anxiety undergoing STN-DBS for PD preoperatively and at 6-month follow-up postoperatively.

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Background: There is evidence that social interaction has an inverse association with the development of neurodegenerative diseases. PREDICT-Parkinson Disease (PREDICT-PD) is an online UK cohort study that stratifies participants for risk of future Parkinson disease (PD).

Objective: This study aims to explore the methodological approach and feasibility of assessing the digital social characteristics of people at risk of developing PD and their social capital within the PREDICT-PD platform, making hypotheses about the relationship between web-based social engagement and potential predictive risk indicators of PD.

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Article Synopsis
  • Parkinson's disease (PD) is a progressive and incurable condition, but recent research identifies a prodromal phase (pPD) that could help in early detection and intervention.
  • Ethical considerations in disclosing pPD risk revolve around beneficence, nonmaleficence, autonomy, and justice, necessitating a careful balance between the benefits and potential emotional impacts of such a diagnosis.
  • Future studies should focus on the implications of early detection in diverse populations, emphasizing the importance of personalized communication and shared decision-making in managing patient care.
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Background: People with Parkinson's disease (PD) have an increased risk of dementia, yet patients and clinicians frequently avoid talking about it due to associated stigma, and the perception that "nothing can be done about it". However, open conversations about PD dementia may allow people with the condition to access treatment and support, and may increase participation in research aimed at understanding PD dementia.

Objectives: To co-produce information resources for patients and healthcare professionals to improve conversations about PD dementia.

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Article Synopsis
  • The study investigated the effectiveness of Compassionate Mind Training (CMT) in improving quality of life and psychological well-being for people with Parkinson's disease (PD), particularly focusing on neuropsychiatric symptoms.
  • Over a 6-week online intervention with 24 PD patients, significant improvements were observed in quality of life and reduction of perceived stigma, along with better stress regulation as indicated by increased heart rate variability (HRV).
  • The findings suggest that CMT is a feasible approach for PD patients and that HRV could serve as a valuable physiomarker for assessing the impact of psychological interventions.
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Background: A history of anxiety is more common in people with Parkinson's disease (PD). The prospective risk of PD in those newly presenting with anxiety and factors that increase the risk of PD in patients with anxiety have not been investigated.

Aim: To investigate the incidence of PD in people with anxiety aged ≥50 years and clinical features associated with later diagnosis of PD in people with anxiety.

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Purpose: To examine the association of several antihypertensive medication classes with incidence of Parkinson's disease (PD), taking into account possible underlying conditions.

Methods: In a case-control study based on a large primary care database and including 21,981 PD cases and 21,981 non-PD controls matched for age, sex, and possible treatment indications associations with different antihypertensive medication groups, including diuretics, betablockers, calcium channel blockers, angiotensin-converting enzyme inhibitors and angiotensin-II receptor-blockers and PD were examined.

Results: Antihypertensive medications overall were associated with a lower risk of subsequent diagnosis of PD (OR: 0.

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Background: Isolated Rapid Eye Movement (REM) sleep Behavior Disorder (iRBD) requires quantitative tools to detect incipient Parkinson's disease (PD).

Methods: A motor battery was designed and compared with the Movement Disorder Society-Unified Parkinson's Disease Rating Scale part III (MDS-UPDRS-III) in people with iRBD and controls. This included two keyboard-based tests (BRadykinesia Akinesia INcoordination tap test and Distal Finger Tapping) and two dual tasking tests (walking and finger tapping).

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Background: Parkinson's disease (PD) is a neurodegenerative disease that leads to progressive disability. Cost studies have mainly explored the early stages of the disease, whereas late-stage patients are underrepresented.

Objective: The aim is to evaluate the resource utilization and costs of PD management in people with late-stage disease.

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Background: Multiple system atrophy (MSA) is a neurodegenerative disease with presentations including parkinsonism, autonomic disturbances, gait impairment and mood disorders. The progressive nature of MSA results in a significant deterioration in quality of life for patients.

Objectives: To investigate the needs of people with MSA (PwMSA) in the United Kingdom (UK) and the support provided to them.

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