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Intensive Voice Treatment (LSVT®LOUD) for Parkinson's Disease Following Deep Brain Stimulation of the Subthalamic Nucleus

Overview
Journal J Commun Disord
Date 2011 Jul 5
PMID 21724193
Citations 13
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Abstract

Purpose: Intensive voice therapy (LSVT(®)LOUD) can effectively manage voice and speech symptoms associated with idiopathic Parkinson disease (PD). This small-group study evaluated voice and speech in individuals with and without deep brain stimulation of the subthalamic nucleus (STN-DBS) before and after LSVT LOUD, to determine whether outcomes for surgical subjects were comparable to non-surgical cohorts.

Methods: Eight subjects with PD (four with STN-DBS and four without) received LSVT LOUD four times a week for four weeks. Four additional subjects with PD remained untreated. Voice intensity (SPL), Vowel Articulation Index (VAI), the Voice Handicap Index (VHI), and a structured interview were evaluated before and after treatment and again six months later.

Results: Both treated groups showed significant increases in SPL from pre to post and six-month follow up. VAI was significantly higher for the treated groups compared to the untreated subjects at follow up. Several treated individuals had significant clinical improvement in VHI scores, particularly within the LSVT-DBS group. Treated individuals reported improvements in voice and speech in structured interviews; however, answers suggest more variable long-term maintenance within the LSVT-DBS group. The untreated group exhibited no significant changes in any measure throughout the study.

Conclusions: Results support LSVT LOUD for treating voice and speech in individuals with PD following STN-DBS surgery. However, modifications may be required to maintain functional improvements.

Learning Outcomes: As a result of this activity, the participant will be able to (1) describe how deep brain stimulation of the subthalamic nucleus may affect voice and speech in Parkinson disease; (2) describe the effects of intensive voice therapy (LSVT(®)LOUD) on people with PD both with and without STN-DBS; (3) describe how individuals with STN-DBS maintained treatment effects over time.

Citing Articles

The Effectiveness of Lee Silverman Voice Treatment (LSVT LOUD) on Children's Speech and Voice: A Scoping Review.

Papadopoulos A, Voniati L, Ziavra N, Tafiadis D Brain Sci. 2024; 14(9).

PMID: 39335431 PMC: 11429989. DOI: 10.3390/brainsci14090937.


A neurocomputational view of the effects of Parkinson's disease on speech production.

Manes J, Bullock L, Meier A, Turner R, Richardson R, Guenther F Front Hum Neurosci. 2024; 18:1383714.

PMID: 38812472 PMC: 11133703. DOI: 10.3389/fnhum.2024.1383714.


Bridging the Gap: Association between Objective and Subjective Outcomes of Communication Performance in People with Parkinson's Disease Evaluated for Deep Brain Stimulation.

Rodriguez-Porcel F, Schwen Blackett D, Hickok G, Bonilha L, Turner T Mov Disord Clin Pract. 2023; 10(12):1795-1799.

PMID: 38094653 PMC: 10715351. DOI: 10.1002/mdc3.13921.


Lee Silverman Voice Treatment to Improve Speech in Parkinson's Disease: A Systemic Review and Meta-Analysis.

Pu T, Huang M, Kong X, Wang M, Chen X, Feng X Parkinsons Dis. 2022; 2021:3366870.

PMID: 35070257 PMC: 8782619. DOI: 10.1155/2021/3366870.


Lee Silverman voice treatment (LSVT) mitigates voice difficulties in mild Parkinson's disease.

Saffarian A, Amiri Shavaki Y, Shahidi G, Hadavi S, Jafari Z Med J Islam Repub Iran. 2019; 33:5.

PMID: 31086784 PMC: 6504915. DOI: 10.34171/mjiri.33.5.


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