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Treatment of autonomic dysfunction in Parkinson disease and other synucleinopathies.

ABSTRACT: Dysfunction of the autonomic nervous system afflicts most patients with Parkinson disease and other synucleinopathies such as dementia with Lewy bodies, multiple system atrophy, and pure autonomic failure, reducing quality of life and increasing mortality. For example, gastrointestinal dysfunction can lead to impaired drug pharmacodynamics causing a worsening in motor symptoms, and neurogenic orthostatic hypotension can cause syncope, falls, and fractures. When recognized, autonomic problems can be treated, sometimes successfully. Discontinuation of potentially causative/aggravating drugs, patient education, and nonpharmacological approaches are useful and should be tried first. Pathophysiology-based pharmacological treatments that have shown efficacy in controlled trials of patients with synucleinopathies have been approved in many countries and are key to an effective management. Here, we review the treatment of autonomic dysfunction in patients with Parkinson disease and other synucleinopathies, summarize the nonpharmacological and current pharmacological therapeutic strategies including recently approved drugs, and provide practical advice and management algorithms for clinicians, with focus on neurogenic orthostatic hypotension, supine hypertension, dysphagia, sialorrhea, gastroparesis, constipation, neurogenic overactive bladder, underactive bladder, and sexual dysfunction. © 2018 International Parkinson and Movement Disorder Society.

SUBMITTER: Palma JA

PROVIDER: S-EPMC5844369 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Treatment of autonomic dysfunction in Parkinson disease and other synucleinopathies.

Palma Jose-Alberto JA Kaufmann Horacio H

Movement disorders : official journal of the Movement Disorder Society 20180301 3

Dysfunction of the autonomic nervous system afflicts most patients with Parkinson disease and other synucleinopathies such as dementia with Lewy bodies, multiple system atrophy, and pure autonomic failure, reducing quality of life and increasing mortality. For example, gastrointestinal dysfunction can lead to impaired drug pharmacodynamics causing a worsening in motor symptoms, and neurogenic orthostatic hypotension can cause syncope, falls, and fractures. When recognized, autonomic problems can ...[more]

PMID: 29508455

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Project description:Importance:Evidence suggests that development of autonomic dysfunction (AutD) may negatively affect disease course and survival in patients with synucleinopathies. However, the few available studies on Parkinson disease (PD) have conflicting results, comprise a small number of patients, have short follow-up periods, and lack pathologic confirmation of the diagnosis. Objective:To examine the association of time of onset of AutD with disease progression and survival in PD. Design, Setting, and Participants:This retrospective review of clinical data from 100 consecutive patients with an autopsy-confirmed diagnosis of PD from the archives of the Queen Square Brain Bank in London, United Kingdom, from January 1, 2006, to June 3, 2016, included patients with PD regularly seen by hospital specialists (neurologists or geriatricians) in the United Kingdom throughout their disease until death. Patients with dementia before or within 1 year after onset of motor symptoms, monogenic forms of PD, comorbidities that affect autonomic function, a coexisting neuropathologic diagnosis, or insufficient clinical information were excluded. Main Outcomes and Measures:Survival and time from diagnosis to specific disease milestones were calculated to assess disease progression. Autonomic dysfunction was defined as autonomic failure at autonomic function testing or 2 of the following symptoms: urinary symptoms, constipation, upper gastrointestinal tract dysfunction, orthostatic hypotension, sweating abnormalities, or erectile dysfunction. Multivariable Cox proportional hazards regression models on the risk of a disease milestone and death were used. Results:A total of 100 patients (60 [60.0%] male; mean [SD] age at diagnosis, 63.9?[10.3] years; mean [SD] disease duration, 14.6?[7.7] years) were studied. Autonomic dysfunction developed in 85 patients (mean [SD] time from diagnosis, 6.7?[7.7] years) and was associated with older age at diagnosis, male sex, poor initial levodopa treatment response, and postural instability and gait difficulty motor PD subtype in linear regression analysis, but staging of ?-synuclein pathologic changes was unrelated. Earlier AutD increased the risk of reaching the first milestone (hazard ratio, 0.86; 95% CI, 0.83-0.89; P?<?.001) and shortened survival (hazard ratio, 0.92; 95% CI, 0.88-0.96; P?<?.001). Older age at diagnosis and poorer levodopa treatment response were the other factors associated with shorter survival in adjusted multivariate analysis. Conclusions and Relevance:Earlier AutD is associated with a more rapid development of disease milestones and shorter survival in patients with PD.

Project description:BackgroundDifferential diagnosis of idiopathic Parkinson disease (IPD) and multiple system atrophy-Parkinson type (MSA-P) is challenging since they share clinical features with parkinsonism and autonomic dysfunction. To distinguish MSA-P from IPD when the symptoms are relatively mild, we investigated the usefulness of the quantitative fractionalized autonomic indexes and evaluated the correlations of autonomic test indexes and functional status.MethodsThirty-six patients with parkinsonism (22 with IPD and 14 with MSA-P) in Soonchunhyang University Bucheon Hospital from February 2014 to June 2015 were prospectively enrolled in the study. We compared fractionalized autonomic indexes and composite autonomic scoring scale between patients with IPD and MSA-P with Hoehn and Yahr (H&Y) score ≤3. Parasympathetic indexes included expiratory/inspiratory ratio during deep breathing, Valsalva ratio (VR), and regression slope of systolic blood pressure (BP) in early phase II (vagal baroreflex sensitivity) during Valsalva maneuver. Sympathetic adrenergic indexes were pressure recovery time (PRT) and adrenergic baroreflex sensitivity (BRSa) (BP decrement associated with phase 3 divided by the PRT), sympathetic index 1, sympathetic index 3, early phase II mean BP drop, and pulse pressure reduction rate. Additionally, we compared the unified multiple system atrophy rating scale (UMSARS) and H&Y scores and the autonomic indexes in all patients.ResultsPRT was significantly different between the IPD and MSA-P groups (P = 0.004) despite the similar BP drop during tilt. Cut-off value of PRT was 5.5 s (sensitivity, 71.4%; specificity, 72.7%). VR (r = -0.455, P = 0.009) and BRSa (r = -0.356, P = 0.036) demonstrated a significant correlation with UMSARS and H&Y scores.ConclusionsAmong the cardiovascular autonomic indexes, PRT can be a useful parameter in differentiating the early stage of MSA-P from that of IPD. Moreover, VR, and BRSa may be the optimal indexes in determining functional symptom severity.

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Treatment of autonomic dysfunction in Parkinson disease and other synucleinopathies.

Publications

Treatment of autonomic dysfunction in Parkinson disease and other synucleinopathies.

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