MovDisordV3, PascalFrancis, Curation, bibRecord, 001446

Cerebral autoregulation is preserved in multiple system atrophy : A transcranial doppler study

Identifieur interne : 001446 ( PascalFrancis/Curation ); précédent : 001445; suivant : 001447

Cerebral autoregulation is preserved in multiple system atrophy : A transcranial doppler study

Auteurs : Anne Pavy-Le Traon [France] ; Richard L. Hughson [Canada] ; Claire Thalamas [France] ; Monique Galitsky [France] ; Nelly Fabre [France] ; Olivier Rascol [France] ; Jean-Michel Senard [France]

Source :

Movement disorders [ 0885-3185 ] ; 2006.

RBID : Pascal:07-0090864

Descripteurs français

Pascal (Inist)
- Système nerveux pathologie, Atrophie multisystématisée, Système nerveux autonome pathologie, Hypotension artérielle orthostatique, Encéphale, Autorégulation, Dopplérométrie, Analyse spectrale.

English descriptors

KwdEn :
- Diseases of the autonomic nervous system, Doppler ultrasound study, Encephalon, Multiple system atrophy, Nervous system diseases, Postural hypotension, Self regulation, Spectral analysis.

Abstract

Patients with multiple system atrophy (MSA) present large changes in blood pressure (BP) due to autonomic disturbances. We analyzed how this change may influence dynamic cerebral autoregulation (DCA). Simultaneous recordings of arterial BP (Finapres) and middle cerebral artery (MCA) blood flow velocity (BFV) (transcranial Doppler) were performed in 10 patients with MSA (61 ± 12 yr of age) and 12 healthy volunteers (61 ± 11 yr of age): cerebral BFV response to oscillations in mean BP was studied in the supine position by cross-spectral analysis of mean BP and mean MCA BFV. The DCA was also studied during the decrease in BP the first seconds when standing up from a sitting position by the assessment of the cerebrovascular resistance index (CR; mean BP/mean MCA BFV ratio). The MCA BFV/BP cross-spectral analysis showed a phase for the mid-frequency band (0.07-0.2 Hz) significantly larger in MSA, suggesting more active autoregulation in response to larger changes in BP. Changes in CR reflecting the rate of autoregulation, when standing did not differ between the two groups. These data suggest that dynamic cerebral autoregulation is preserved in MSA.

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A08	`01`	`1`	`ENG`	`@1 Cerebral autoregulation is preserved in multiple system atrophy : A transcranial doppler study`
A11	`01`	`1`		`@1 PAVY-LE TRAON (Anne)`
A11	`02`	`1`		`@1 HUGHSON (Richard L.)`
A11	`03`	`1`		`@1 THALAMAS (Claire)`
A11	`04`	`1`		`@1 GALITSKY (Monique)`
A11	`05`	`1`		`@1 FABRE (Nelly)`
A11	`06`	`1`		`@1 RASCOL (Olivier)`
A11	`07`	`1`		`@1 SENARD (Jean-Michel)`
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A14	`04`			`@1 Clinical Investigation Centre, Hopital Purpan @2 Toulouse @3 FRA @Z 3 aut. @Z 4 aut. @Z 6 aut.`
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C01	`01`		`ENG`	@0 Patients with multiple system atrophy (MSA) present large changes in blood pressure (BP) due to autonomic disturbances. We analyzed how this change may influence dynamic cerebral autoregulation (DCA). Simultaneous recordings of arterial BP (Finapres) and middle cerebral artery (MCA) blood flow velocity (BFV) (transcranial Doppler) were performed in 10 patients with MSA (61 ± 12 yr of age) and 12 healthy volunteers (61 ± 11 yr of age): cerebral BFV response to oscillations in mean BP was studied in the supine position by cross-spectral analysis of mean BP and mean MCA BFV. The DCA was also studied during the decrease in BP the first seconds when standing up from a sitting position by the assessment of the cerebrovascular resistance index (CR; mean BP/mean MCA BFV ratio). The MCA BFV/BP cross-spectral analysis showed a phase for the mid-frequency band (0.07-0.2 Hz) significantly larger in MSA, suggesting more active autoregulation in response to larger changes in BP. Changes in CR reflecting the rate of autoregulation, when standing did not differ between the two groups. These data suggest that dynamic cerebral autoregulation is preserved in MSA.
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C03	`01`	`X`	`FRE`	`@0 Système nerveux pathologie @5 01`
C03	`01`	`X`	`ENG`	`@0 Nervous system diseases @5 01`
C03	`01`	`X`	`SPA`	`@0 Sistema nervioso patología @5 01`
C03	`02`	`X`	`FRE`	`@0 Atrophie multisystématisée @2 NM @5 02`
C03	`02`	`X`	`ENG`	`@0 Multiple system atrophy @2 NM @5 02`
C03	`02`	`X`	`SPA`	`@0 Atrofia multisistematizada @2 NM @5 02`
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C03	`03`	`X`	`SPA`	`@0 Sistema nervioso autónomo patología @5 03`
C03	`04`	`X`	`FRE`	`@0 Hypotension artérielle orthostatique @5 04`
C03	`04`	`X`	`ENG`	`@0 Postural hypotension @5 04`
C03	`04`	`X`	`SPA`	`@0 Hipotensión arterial ortostática @5 04`
C03	`05`	`X`	`FRE`	`@0 Encéphale @5 09`
C03	`05`	`X`	`ENG`	`@0 Encephalon @5 09`
C03	`05`	`X`	`SPA`	`@0 Encéfalo @5 09`
C03	`06`	`X`	`FRE`	`@0 Autorégulation @5 10`
C03	`06`	`X`	`ENG`	`@0 Self regulation @5 10`
C03	`06`	`X`	`SPA`	`@0 Autoregulación @5 10`
C03	`07`	`X`	`FRE`	`@0 Dopplérométrie @5 11`
C03	`07`	`X`	`ENG`	`@0 Doppler ultrasound study @5 11`
C03	`07`	`X`	`SPA`	`@0 Dopplerometría @5 11`
C03	`08`	`X`	`FRE`	`@0 Analyse spectrale @5 12`
C03	`08`	`X`	`ENG`	`@0 Spectral analysis @5 12`
C03	`08`	`X`	`SPA`	`@0 Análisis espectral @5 12`
C07	`01`	`X`	`FRE`	`@0 Système nerveux central @5 37`
C07	`01`	`X`	`ENG`	`@0 Central nervous system @5 37`
C07	`01`	`X`	`SPA`	`@0 Sistema nervioso central @5 37`
C07	`02`	`X`	`FRE`	`@0 Exploration ultrason @5 38`
C07	`02`	`X`	`ENG`	`@0 Sonography @5 38`
C07	`02`	`X`	`SPA`	`@0 Exploración ultrasonido @5 38`
C07	`03`	`X`	`FRE`	`@0 Appareil circulatoire pathologie @5 39`
C07	`03`	`X`	`ENG`	`@0 Cardiovascular disease @5 39`
C07	`03`	`X`	`SPA`	`@0 Aparato circulatorio patología @5 39`
N21				`@1 057`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Patients with multiple system atrophy (MSA) present large changes in blood pressure (BP) due to autonomic disturbances. We analyzed how this change may influence dynamic cerebral autoregulation (DCA). Simultaneous recordings of arterial BP (Finapres) and middle cerebral artery (MCA) blood flow velocity (BFV) (transcranial Doppler) were performed in 10 patients with MSA (61 ± 12 yr of age) and 12 healthy volunteers (61 ± 11 yr of age): cerebral BFV response to oscillations in mean BP was studied in the supine position by cross-spectral analysis of mean BP and mean MCA BFV. The DCA was also studied during the decrease in BP the first seconds when standing up from a sitting position by the assessment of the cerebrovascular resistance index (CR; mean BP/mean MCA BFV ratio). The MCA BFV/BP cross-spectral analysis showed a phase for the mid-frequency band (0.07-0.2 Hz) significantly larger in MSA, suggesting more active autoregulation in response to larger changes in BP. Changes in CR reflecting the rate of autoregulation, when standing did not differ between the two groups. These data suggest that dynamic cerebral autoregulation is preserved in MSA.</div>
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</fA66>
<fC01 i1="01" l="ENG"><s0>Patients with multiple system atrophy (MSA) present large changes in blood pressure (BP) due to autonomic disturbances. We analyzed how this change may influence dynamic cerebral autoregulation (DCA). Simultaneous recordings of arterial BP (Finapres) and middle cerebral artery (MCA) blood flow velocity (BFV) (transcranial Doppler) were performed in 10 patients with MSA (61 ± 12 yr of age) and 12 healthy volunteers (61 ± 11 yr of age): cerebral BFV response to oscillations in mean BP was studied in the supine position by cross-spectral analysis of mean BP and mean MCA BFV. The DCA was also studied during the decrease in BP the first seconds when standing up from a sitting position by the assessment of the cerebrovascular resistance index (CR; mean BP/mean MCA BFV ratio). The MCA BFV/BP cross-spectral analysis showed a phase for the mid-frequency band (0.07-0.2 Hz) significantly larger in MSA, suggesting more active autoregulation in response to larger changes in BP. Changes in CR reflecting the rate of autoregulation, when standing did not differ between the two groups. These data suggest that dynamic cerebral autoregulation is preserved in MSA.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002B17</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>002B17F</s0>
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<fC02 i1="03" i2="X"><s0>002B17C</s0>
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<s5>01</s5>
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<fC03 i1="01" i2="X" l="ENG"><s0>Nervous system diseases</s0>
<s5>01</s5>
</fC03>
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<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Atrophie multisystématisée</s0>
<s2>NM</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Multiple system atrophy</s0>
<s2>NM</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Atrofia multisistematizada</s0>
<s2>NM</s2>
<s5>02</s5>
</fC03>
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<s5>03</s5>
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<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Sistema nervioso autónomo patología</s0>
<s5>03</s5>
</fC03>
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<s5>04</s5>
</fC03>
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<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Hipotensión arterial ortostática</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Encéphale</s0>
<s5>09</s5>
</fC03>
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<s5>09</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Autorégulation</s0>
<s5>10</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Self regulation</s0>
<s5>10</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Autoregulación</s0>
<s5>10</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Dopplérométrie</s0>
<s5>11</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Doppler ultrasound study</s0>
<s5>11</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Dopplerometría</s0>
<s5>11</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Analyse spectrale</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Spectral analysis</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Análisis espectral</s0>
<s5>12</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Système nerveux central</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Central nervous system</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Sistema nervioso central</s0>
<s5>37</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Exploration ultrason</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Sonography</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Exploración ultrasonido</s0>
<s5>38</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Appareil circulatoire pathologie</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Cardiovascular disease</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Aparato circulatorio patología</s0>
<s5>39</s5>
</fC07>
<fN21><s1>057</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Cerebral autoregulation is preserved in multiple system atrophy : A transcranial doppler study

Cerebral autoregulation is preserved in multiple system atrophy : A transcranial doppler study

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