Does cardiovascular autonomic dysfunction contribute to fatigue in Parkinson's disease?
Identifieur interne : 000334 ( Main/Exploration ); précédent : 000333; suivant : 000335Does cardiovascular autonomic dysfunction contribute to fatigue in Parkinson's disease?
Auteurs : Tomohiko Nakamura [Japon] ; Masaaki Hirayama [Japon] ; Takashi Hara [Japon] ; Tetsuo Hama [Japon] ; Hirohisa Watanabe [Japon] ; Gen Sobue [Japon]Source :
- Movement Disorders [ 0885-3185 ] ; 2011-08-15.
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Abstract
Patients with Parkinson's disease often complain of fatigue, and although cardiac sympathetic denervation is thought to be associated with fatigue, this link remains unclear. Previously, we detected cardiac sympathetic denervation in patients with Parkinson's disease using dobutamine, a selective beta‐1 stimulant. To clarify the involvement of autonomic dysfunction in fatigue in Parkinson's disease, we conducted autonomic function tests on 33 patients with Parkinson's disease (mean age, 66.1 ± 5.6 years; 20 men, 13 women) and evaluated their relationships to fatigue. We divided patients into 2 groups, fatigued (n = 12) and nonfatigued (n = 21), based on an average score ≥ 3.3 on the Parkinson fatigue scale. Autonomic function tests included the coefficient of variation of R–R intervals, head‐up tilt test, norepinephrine and dobutamine infusion tests, and cardiac 123I‐metaiodobenzylguanidine scintigraphy. The coefficient of variation of R–R intervals and the systolic blood pressure changes accompanying the head‐up tilt test did not show significant differences between the 2 groups; however, the pressor responses in the norepinephrine and dobutamine infusion tests were significantly greater in the fatigued group than in the nonfatigued group. The 123I‐metaiodobenzylguanidine heart‐to‐mediastinal uptake ratio was lower in the fatigued group than in the nonfatigued group. Partial correlation analyses, using disease duration and Hoehn and Yahr stage as control variables, also demonstrated significant correlations between the Parkinson fatigue scale score and the results of the autonomic function tests and cardiac 123I‐metaiodobenzylguanidine uptake. Our results suggest that autonomic dysfunction, including cardiac sympathetic denervation, is associated with fatigue in patients with Parkinson's disease. © 2011 Movement Disorder Society
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DOI: 10.1002/mds.23744
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2011-08-15">2011-08-15</date><biblScope unit="volume">26</biblScope><biblScope unit="issue">10</biblScope><biblScope unit="page" from="1869">1869</biblScope><biblScope unit="page" to="1874">1874</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">F8FA9B84353F7352D62E9A51F147B1FAFB48180E</idno><idno type="DOI">10.1002/mds.23744</idno><idno type="ArticleID">MDS23744</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Parkinson's disease</term><term>autonomic dysfunction</term><term>cardiac 123I‐metaiodobenzylguanidine scintigraphy</term><term>cardiac denervation</term><term>fatigue</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Patients with Parkinson's disease often complain of fatigue, and although cardiac sympathetic denervation is thought to be associated with fatigue, this link remains unclear. Previously, we detected cardiac sympathetic denervation in patients with Parkinson's disease using dobutamine, a selective beta‐1 stimulant. To clarify the involvement of autonomic dysfunction in fatigue in Parkinson's disease, we conducted autonomic function tests on 33 patients with Parkinson's disease (mean age, 66.1 ± 5.6 years; 20 men, 13 women) and evaluated their relationships to fatigue. We divided patients into 2 groups, fatigued (n = 12) and nonfatigued (n = 21), based on an average score ≥ 3.3 on the Parkinson fatigue scale. Autonomic function tests included the coefficient of variation of R–R intervals, head‐up tilt test, norepinephrine and dobutamine infusion tests, and cardiac 123I‐metaiodobenzylguanidine scintigraphy. The coefficient of variation of R–R intervals and the systolic blood pressure changes accompanying the head‐up tilt test did not show significant differences between the 2 groups; however, the pressor responses in the norepinephrine and dobutamine infusion tests were significantly greater in the fatigued group than in the nonfatigued group. The 123I‐metaiodobenzylguanidine heart‐to‐mediastinal uptake ratio was lower in the fatigued group than in the nonfatigued group. Partial correlation analyses, using disease duration and Hoehn and Yahr stage as control variables, also demonstrated significant correlations between the Parkinson fatigue scale score and the results of the autonomic function tests and cardiac 123I‐metaiodobenzylguanidine uptake. Our results suggest that autonomic dysfunction, including cardiac sympathetic denervation, is associated with fatigue in patients with Parkinson's disease. © 2011 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><country name="Japon"><noRegion><name sortKey="Nakamura, Tomohiko" sort="Nakamura, Tomohiko" uniqKey="Nakamura T" first="Tomohiko" last="Nakamura">Tomohiko Nakamura</name></noRegion><name sortKey="Hama, Tetsuo" sort="Hama, Tetsuo" uniqKey="Hama T" first="Tetsuo" last="Hama">Tetsuo Hama</name><name sortKey="Hara, Takashi" sort="Hara, Takashi" uniqKey="Hara T" first="Takashi" last="Hara">Takashi Hara</name><name sortKey="Hirayama, Masaaki" sort="Hirayama, Masaaki" uniqKey="Hirayama M" first="Masaaki" last="Hirayama">Masaaki Hirayama</name><name sortKey="Sobue, Gen" sort="Sobue, Gen" uniqKey="Sobue G" first="Gen" last="Sobue">Gen Sobue</name><name sortKey="Watanabe, Hirohisa" sort="Watanabe, Hirohisa" uniqKey="Watanabe H" first="Hirohisa" last="Watanabe">Hirohisa Watanabe</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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