Amplitude and speed of masticatory movements in patients with Parkinson's disease
Amplitude e velocidade dos movimentos mastigatórios em pacientes com doença de Parkinson
Lucas Carvalho Aragão Albuquerque; Hilton Justino da Silva; Leandro Araújo Pernambuco; Sandro Junior Henrique de Lima; Daniele Andrade da Cunha
Abstract
Purpose: to characterize the amplitude and speed of masticatory cycles evaluated by electrognathography in one group of elder individuals and to compare these data with those of two other groups of Parkinson's disease subjects.
Methods: 42 volunteers participants in this study were divided into three groups: A with 15 volunteers, average age of 62 years, 8 females, B with 14 volunteers characterized by a Parkinson's hypokinesia, average age of 58 years, of which 7 are female, and C with 13 volunteers characterized by a Parkinson's tremor, with average age of 64 years, being 4 female. It was used the ANOVA test for difference of means with post-hoc Dunnett's contrast or Student's t-test, all at 0.05 significance level.
Results: there were greater differences between the means of groups A and B in the total number of masticatory cycles (A = 23.13 ± 1.41 B = 18.21 ± 1.70) [p = 0.034] and in the maximum mouth opening amplitudes (A = 34.66 ± 2.04 B = 26.72 ± 2.49) [p = 0.018], lateralization to the right (A = 7.02 ± 0.59 B = 5.80 ± 0.97) P = 0.036] and left (A = 6.44 ± 0.64 B = 3.35 ± 0.80) [p = 0.039].
Conclusion: the elderly group exceeded the means, in the mandibular movement during chewing, of the rigid group of parkinsonians. We may conclude that factors such as parkinsonian stiffness are likely to compromise the chewing of individuals with Parkinson's disease.
Keywords
Resumo
Objetivo: caracterizar a amplitude e a velocidade dos ciclos mastigatórios avaliados por eletrognatografia em um grupo de indivíduos idosos e confrontar esses dados com outros dois grupos de sujeitos com doença de Parkinson (DP) diferenciados pela característica motora predominante.
Métodos: os 42 participantes foram divididos em três grupos: A com 15 voluntários e média de idade de 62 anos, sendo 8 do sexo feminino; B com 14 voluntários Parkinsonianos com rigidez predominante e média etária de 58 anos, dos quais 7 eram mulheres; e o grupo C com 13 voluntários, com DP e tremor predominante, com média de idade de 64 anos, sendo 4 mulheres. Empregou-se o teste ANOVA para diferença de médias, com contraste post-hoc de Dunnett ou teste t de Student, todos em nível de significância de 0,05.
Resultados: houve maiores diferenças entre as medias dos grupos A e B no numero total de ciclos mastigatórios (A= 23,13 ± 1,41 B=18,21 ± 1,70) [p=0,034] e nas amplitudes máxima de abertura de boca (A= 34,66 ± 2,04 B=26,72 ± 2,49) [p=0,018], lateralização para direita (A=7,02 ± 0,59 B=5,80 ± 0,97) [p=0,036] e para esquerda (A=6,44 ± 0,64 B=3,35 ± 0,80) [p=0,039].
Conclusão: tendo o grupo de idosos superado as medias, na movimentação mandibular durante a mastigação, do grupo de parkinsonianos com rigidez significativamente. Podemos concluir que, é provável que fatores como a rigidez parkinsoniana possam comprometer a mastigação de indivíduos com a doença de Parkinson.
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Referências
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Submetido em:
19/07/2016
Aceito em:
24/11/2016
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