scholarly journals Lung Function Testing On and Off Dopaminergic Medication in Parkinson's Disease Patients With and Without Dysphagia

2015 ◽  
Vol 3 (2) ◽  
pp. 146-150 ◽  
Author(s):  
Tareq Sawan ◽  
Mary Louise Harris ◽  
Christopher Kobylecki ◽  
Laura Baijens ◽  
Michel van Hooren ◽  
...  
Author(s):  
J. Koschel ◽  
K. Ray Chaudhuri ◽  
L. Tönges ◽  
M. Thiel ◽  
V. Raeder ◽  
...  

2021 ◽  
pp. 1-6
Author(s):  
Mark Tomishima ◽  
Agnete Kirkeby

After many years of preclinical development, cell and gene therapies have advanced from research tools in the lab to clinical-grade products for patients, and today they constitute more than a quarter of all new Phase I clinical trials for Parkinson’s disease. Whereas efficacy has been convincingly proven for many of these products in preclinical models, the field is now entering a new phase where the functionality and safety of these products will need to stand the test in clinical trials. If successful, these new products can have the potential to provide patients with a one-time administered treatment which may alleviate them from daily symptomatic dopaminergic medication.


2021 ◽  
Vol 182 ◽  
pp. 106396
Author(s):  
David A. Kaminsky ◽  
Donald G. Grosset ◽  
Deena M. Kegler-Ebo ◽  
Salvador Cangiamilla ◽  
Michael Klingler ◽  
...  

1993 ◽  
Vol 3 (2) ◽  
pp. 92-95
Author(s):  
P. Helms

PLoS ONE ◽  
2015 ◽  
Vol 10 (8) ◽  
pp. e0135287 ◽  
Author(s):  
Wiebke Grashorn ◽  
Odette Schunke ◽  
Carsten Buhmann ◽  
Katarina Forkmann ◽  
Sabrina Diedrich ◽  
...  

Breathe ◽  
2018 ◽  
Vol 14 (4) ◽  
pp. 325-332 ◽  
Author(s):  
Pierantonio Laveneziana ◽  
Marie-Cécile Niérat ◽  
Antonella LoMauro ◽  
Andrea Aliverti

2021 ◽  
Vol 11 (6) ◽  
pp. 116-124
Author(s):  
Abdulrhman Mustafa Rasheed ◽  
Ahmed Fadlalla ◽  
Fadelelmoula Tarig ◽  
Wael F Asmaa Hegazy Alblowi ◽  
Fawaz Alshammari Saitah

Pulmonary events in rheumatoid arthritis (RA) reflects the involvement of pleurae, lung interstitium, and airways. Overall, pulmonary manifestations are estimated to cause 10–20% of mortalities in RA. Respiratory system involvement as extra-articular presentations of RA is common among some Saudi patients. This study aims to evaluate specific airway conductance (sGaw), airway resistance (Raw), and specific airway resistance (sRaw), using plethysmography. Comparison for deployed methods is made by forced spirometer as an indicator for obstruction among patients with RA. The study sought to use the methods to enhance lung testing among RA patients. An analytical, hospital-based study was carried out at pulmonary function test laboratory, department of respiratory care King Saud Medical City (KSMC). RA patients were selected, with an age group of 18-75years. The tests for Forced spirometer and plethysmography were carried out to assess and analyze how the respiratory mechanism was impacted by the disease. Data collected was analyzed using Statistical Package for Social Sciences (SPSS), version 21. The obstructive and mixed ventilation patterns constituted 15%; the mean values of Raw and sRaw were significantly higher compared to mean values predicted for participants selected during the study, while sGaw was significantly lower compared to mean values predicted for participants selected. Monitoring of airway resistance parameters using plethysmography can be used as indicators of lung function testing among RA patients.


2020 ◽  
Author(s):  
Abhinav Sharma ◽  
Diego Vidaurre ◽  
Jan Vesper ◽  
Alfons Schnitzler ◽  
Esther Florin

AbstractPathological oscillations including elevated beta activity in the subthalamic nucleus (STN) and between STN and cortical areas are a hallmark of neural activity in Parkinson’s disease (PD). Oscillations also play an important role in normal physiological processes and serve distinct functional roles at different points in time. We characterised the effect of dopaminergic medication on oscillatory whole-brain networks in PD in a time-resolved manner by employing a hidden Markov model on combined STN local field potentials and magnetoencephalography (MEG) recordings from 17 PD patients. Dopaminergic medication led to communication within the medial and orbitofrontal cortex in the delta/theta frequency range. This is in line with deteriorated frontal executive functioning as a side effect of dopamine treatment in Parkinson’s disease. In addition, dopamine caused the beta band activity to switch from an STN-mediated motor network to a frontoparietal-mediated one. In contrast, dopamine did not modify locally-originating STN oscillations in PD. STN–STN synchrony emerged both on and off medication. By providing electrophysiological evidence for the differential effects of dopaminergic medication on the discovered networks, our findings open further avenues for electrical and pharmacological interventions in PD.


BJPsych Open ◽  
2021 ◽  
Vol 7 (S1) ◽  
pp. S279-S280
Author(s):  
Emma Padfield ◽  
Hannah Potticary ◽  
Tim Segal

AimsThe first objective was to estimate prevalence of sense of presence (SoP) experiences in patients with Parkinson's Disease (PD), including whether onset was prior to or after commencing dopaminergic medication. The second objective was to explore the relationship between frequency of SoP experiences and dopaminergic drug, drug dosage and length of drug exposure. The experimental hypothesis was that SoP symptoms in PD would present more frequently in patients treated longer and with higher dopaminergic drug doses.BackgroundPD is a debilitating neurodegenerative disorder. Psychiatric symptoms are common and associated with impaired quality of life and higher treatment costs. PD psychosis often starts with ‘minor hallucinations’, the most common being a false ‘sense of presence’ (SoP), the vivid sensation that someone else is nearby when nobody is there. SoP symptoms typically do not cause significant distress but may act as a prognostic marker for future severe psychosis and may prompt alteration of treatment or reduction in dopaminergic drug dosage. This study aimed to extend prior research by characterizing SoP further and investigating the link with dopaminergic medication.MethodThis was a retrospective, cross-sectional study. Twenty-one patients diagnosed with PD completed a questionnaire to identify presence of SoP symptoms, duration of symptoms, timing of onset related to dopaminergic treatment and the frequency of symptoms in relation to current levodopa equivalent dose (LED). Descriptive frequencies were compared using a two-tailed t-test. Multiple regression analysis was conducted to assess the relationship between frequency of SP experiences, levodopa equivalent dose and length of drug exposure.ResultSixteen of twenty-one patients reported experiencing SoP symptoms. Patients who had not experienced SoP symptoms had a significantly lower LED than those who had experienced these symptoms. There were no other significant differences between the groups. No statistical significance was shown on regression analysis; however our study was not adequately powered for the regression analysis as the number of participants was too low.ConclusionThis study confirms that SoP symptoms are common among patients with PD and supports a correlation between the total daily equivalent dose of levodopa and SoP symptoms. It does not provide evidence for a temporal relationship between onset of SoP symptoms and duration of dopaminergic treatment. The study was insufficiently powered and a larger study is required to investigate further.


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