Effects of different electrical parameter settings on the intelligibility of speech in patients with Parkinson's disease treated with subthalamic deep brain stimulation
Identifieur interne : 003940 ( Main/Exploration ); précédent : 003939; suivant : 003941Effects of different electrical parameter settings on the intelligibility of speech in patients with Parkinson's disease treated with subthalamic deep brain stimulation
Auteurs : Anna Lena Törnqvist [Suède] ; Lucyna Schalén ; Stig Rehncrona [Suède]Source :
- Movement Disorders [ 0885-3185 ] ; 2005-04.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Aged, Deep Brain Stimulation (instrumentation), Deep brain stimulation, Dysarthria (diagnosis), Dysarthria (epidemiology), Dysarthria (etiology), Electric Stimulation (instrumentation), Female, Human, Humans, Laryngoscopy (methods), Male, Middle Aged, Nervous system diseases, Neurosurgical Procedures (instrumentation), Observer Variation, Parkinson Disease (complications), Parkinson Disease (pathology), Parkinson Disease (therapy), Parkinson disease, Parkinson's disease, Questionnaires, Severity of Illness Index, Speech, Speech Intelligibility, Subthalamic Nucleus (pathology), Treatment, Videotape Recording, deep brain stimulation, nucleus subthalamicus, speech, video laryngostroboscopy.
- MESH :
- complications : Parkinson Disease.
- diagnosis : Dysarthria.
- epidemiology : Dysarthria.
- etiology : Dysarthria.
- instrumentation : Deep Brain Stimulation, Electric Stimulation, Neurosurgical Procedures.
- methods : Laryngoscopy.
- pathology : Parkinson Disease, Subthalamic Nucleus.
- therapy : Parkinson Disease.
- Aged, Female, Humans, Male, Middle Aged, Observer Variation, Questionnaires, Severity of Illness Index, Speech Intelligibility, Videotape Recording.
Abstract
We evaluated the effects of different electrical parameter settings on the intelligibility of speech in patients with Parkinson's disease (PD) bilaterally treated with deep brain stimulation (DBS) in the subthalamic nucleus (STN). Ten patients treated with DBS for 15 ± 5 months (mean, SD) with significant (P < 0.01) symptom reduction (Unified Parkinson's Disease Rating Scale III) were included. In the medication off condition, video laryngostroboscopy was performed and then, in random order, 11 DBS parameter settings were tested. Amplitude was increased and decreased by 25%, frequency was varied in the range 70 to 185 pps, and each of the contacts was tested separately as a cathode. The patients read a standard running text and five nonsense sentences per setting. A listener panel transcribed the nonsense sentences as perceived and valued the quality of speech on a visual analogue scale. With the patients' normally used settings, there was no significant (P = 0.058) group difference between DBS OFF and ON, but in four patients the intelligibility deteriorated with DBS ON. The higher frequencies or increased amplitude caused significant (P < 0.02) impairments of intelligibility, whereas changing the polarity between the separate contacts did not. The settings of amplitude and frequency have a major influence on the intelligibility of speech, emphasizing the importance of meticulous parameter adjustments when programming DBS to minimize side effects related to speech. © 2004 Movement Disorder Society
Url:
DOI: 10.1002/mds.20348
Affiliations:
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Le document en format XML
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Ten patients treated with DBS for 15 ± 5 months (mean, SD) with significant (P < 0.01) symptom reduction (Unified Parkinson's Disease Rating Scale III) were included. In the medication off condition, video laryngostroboscopy was performed and then, in random order, 11 DBS parameter settings were tested. Amplitude was increased and decreased by 25%, frequency was varied in the range 70 to 185 pps, and each of the contacts was tested separately as a cathode. The patients read a standard running text and five nonsense sentences per setting. A listener panel transcribed the nonsense sentences as perceived and valued the quality of speech on a visual analogue scale. With the patients' normally used settings, there was no significant (P = 0.058) group difference between DBS OFF and ON, but in four patients the intelligibility deteriorated with DBS ON. The higher frequencies or increased amplitude caused significant (P < 0.02) impairments of intelligibility, whereas changing the polarity between the separate contacts did not. The settings of amplitude and frequency have a major influence on the intelligibility of speech, emphasizing the importance of meticulous parameter adjustments when programming DBS to minimize side effects related to speech. © 2004 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Suède</li></country></list><tree><noCountry><name sortKey="Schalen, Lucyna" sort="Schalen, Lucyna" uniqKey="Schalen L" first="Lucyna" last="Schalén">Lucyna Schalén</name></noCountry><country name="Suède"><noRegion><name sortKey="Tornqvist, Anna Lena" sort="Tornqvist, Anna Lena" uniqKey="Tornqvist A" first="Anna Lena" last="Törnqvist">Anna Lena Törnqvist</name></noRegion><name sortKey="Rehncrona, Stig" sort="Rehncrona, Stig" uniqKey="Rehncrona S" first="Stig" last="Rehncrona">Stig Rehncrona</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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