Parkinson's Disease Tulip


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Old 02-14-2007, 06:41 PM #1
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In Remembrance
 
Join Date: Sep 2006
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15 yr Member
lou_lou lou_lou is offline
In Remembrance
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Join Date: Sep 2006
Location: about 45 minutes to anywhere!
Posts: 3,086
15 yr Member
Arrow I have been dxd with dyspnea-fyi - PD and shortness of breath -Pubmed article

Respiratory muscle performance and the Perception of dyspnea in Parkinson's disease.

Weiner P, Inzelberg R, Davidovich A, Nisipeanu P, Magadle R, Berar-Yanay N, Carasso RL.

Department of Medicine A, Hillel Yaffe Medical Center, Hadera, Israel.

BACKGROUND: Pulmonary and respiratory muscle function impairment are common in patients with Parkinson's disease (PD). However, dyspnea is not a frequent complaint among these patients, although it is well documented that the intensity of dyspnea is related to the activity and the strength of the respiratory muscles.

PATIENTS AND METHODS: We studied pulmonary function, respiratory muscle strength and endurance and the perception of dyspnea (POD) in 20 patients with PD (stage II and III Hoehn and Yahr scale) before and after their first daily L-dopa dose. Respiratory muscle strength was assessed by measuring the maximal inspiratory and expiratory mouth pressures (PImax and PEmax), at residual volume (RV) and total lung capacity (TLC) respectively. The POD was measured while the subject breathed against progressive load and dyspnea was rated using a visual analog scale. RESULTS: Respiratory muscle strength and endurance were decreased and the POD was increased during the off medication period compared to normal subjects.

There was a nonsignificant trend to an increase in Plmax, PEmax and endurance after L-dopa intake. The POD of PD patients decreased (p<0.05) following medication, although, it remained increased (p<0.01) as compared to the normal subjects. Even if patients had spirometry data showing a mild restrictive pattern, before medication, both forced vital capacity (FVC) and forced expiratory volume (FEV)1 remained almost identical after L-dopa intake.
CONCLUSIONS: Patients with PD have higher POD, compared to normal subjects and this increased perception is attenuated when the patients are on dopaminergic medication. The change in the POD is not related to changes in respiratory muscle performance or pulmonary functions. A central effect or a correction of uncoordinated respiratory movements by L-dopa may contribute to the decrease in POD following L-dopa treatment.

PMID: 11858539 [PubMed - indexed for MEDLINE]

the list of dyspnea and PD -
http://www.ncbi.nlm.nih.gov/entrez/q...arch&DB=pubmed

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