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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Efeitos da toxina botul?nica tipo A associada ? fisioterapia na morfologia muscular e mobilidade funcional em indiv?duos p?s-AVC : ensaio cl?nico randomizado / Effects of botulinum toxin type A and physiotherapy on muscle morphology and functional mobility in stroke survivors : randomized clinical trial

Freire, Bruno Bolla 31 March 2016 (has links)
Submitted by Setor de Tratamento da Informa??o - BC/PUCRS (tede2@pucrs.br) on 2016-07-26T14:07:16Z No. of bitstreams: 1 DIS_BRUNO_BOLLA_FREIRE_COMPLETO.pdf: 1568704 bytes, checksum: 506aa656de55aafd680c5b42ed011bf3 (MD5) / Made available in DSpace on 2016-07-26T14:07:16Z (GMT). No. of bitstreams: 1 DIS_BRUNO_BOLLA_FREIRE_COMPLETO.pdf: 1568704 bytes, checksum: 506aa656de55aafd680c5b42ed011bf3 (MD5) Previous issue date: 2016-03-31 / Introduction: Stroke is the main cause of acquired adult disability and responsible for motor disorders, which the most common is spasticity. The spasticity increase involuntary muscle activity and promote adaptations in muscle morphology and functional performance. The aim of present study is to analyze the effects of botulinum toxin type a (BTA) for spasticity treatment associated with physiotherapy on muscle arquitecture and functional performance of plantiflexors in stroke survivors. Materials and methods: Randomized and controlled clinical trial with sample composed by 20 stroke survivors with ankle spasticity allocated in two groups: intervention group (BTA + physiotherapy) and placebo group (saline solution + physiotherapy). The muscle arquitecture of medial gastrocnemius was measured by fascicle length, penation angle and muscle thickness with ultrasonography, an isokinetic dynamometer was used to measure the force of plantiflexors and was used the fast gait 8 m, Time Up and Go (TUG) and Sit-to-Stand (STS) to mesure funcional performance. All subjects realized a physiotherapy program for 12 weeks. The intervention group used BTA on medial gastrocnemius and soleus muscle; placebo group used saline solution 0.9% on same muscles. Results: Intervention group showed ankle spasticity decrease after 4 and 12 weeks. Two groups showed no significant difference on fascicle length, penation angle and muscle thickness. Similar results were observed in plantiflexors force. Intervention group and placebo group showed execution time decrease in fast gait 8 m test, TUG and STS test after 12 weeks compared to pre-intervention; however, there was observed no difference between groups. Conclusion: Ankle spasticity decrease caused by BTA does not changed arquitecture muscle parameters or better performance in gait and basic functional mobility. Physiotherapy was enough to promote gain in fast gait and basic functional mobility. / Introdu??o: O acidente vascular cerebral ? a maior causa de incapacidade motora adquirida em adultos, respons?vel por diversas complica??es neuromotoras, entre essas a mais frequente ? a espasticidade. A espasticidade causa um aumento da atividade muscular de forma involunt?ria que por sua vez resulta em adapta??es na morfologia muscular e no desempenho funcional. O objetivo desse estudo ? avaliar os efeitos da aplica??o de toxina botul?nica tipo A (TBA) para o tratamento da espasticidade associada a interven??o de fisioterapia nos par?metros de arquitetura muscular e desempenho funcional dos plantiflexores em indiv?duos com espasticidade p?s-AVC. Materiais e m?todos: Ensaio cl?nico randomizado e controlado em que a amostra foi composta por 20 indiv?duos com espasticidade em tornozelo alocados em dois grupos: grupo interven??o (TBA + fisioterapia) e grupo placebo (solu??o salina + fisioterapia). Foi avaliada ? arquitetura muscular do gastrocn?mio medial atrav?s do comprimento de fasc?culo, ?ngulo de pena??o e espessura muscular por meio de ecografia, tamb?m foi mensurado a for?a dos plantiflexores por meio de dinamometria isocin?tica e o desempenho funcional no teste de caminhada r?pida 8 m, Time Up and Go (TUG) e Sit-to-Stand (STS). Todos os participantes realizaram um programa de fisioterapia por 12 semanas em que um grupo aplicou TBA no m?sculo gastrocn?mio medial e s?leo e, o outro grupo aplicou solu??o salina 0,9% nos mesmos m?sculos. Resultados: O grupo interven??o apresentou redu??o da espasticidade no tornozelo ap?s quatro e 12 semanas. Os dois grupos n?o obtiveram diferen?a significativa no comprimento de fasc?culo, ?ngulo de pena??o e espessura muscular. Da mesma forma, n?o houve diferen?a significativa na for?a dos plantiflexores. O grupo interven??o e o grupo placebo obtiveram redu??o do tempo de execu??o ap?s 12 semanas no teste de caminhada r?pida 8 m, TUG e STS comparado ao momento pr?-interven??o, por?m sem diferen?a entre os grupos. Conclus?o: A redu??o do n?vel de espasticidade nos plantiflexores causada pela TBA n?o modificou os par?metros de arquitetura muscular e n?o promoveu um melhor desempenho na marcha ou mobilidade funcional b?sica. A fisioterapia foi suficiente para melhorar o desempenho na marcha e mobilidade funcional b?sica.

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