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Histological study of tendon healing in malnourished Wistar rats treated with ultrasound therapy
Carvalho, Paulo de Tarso Camillo de; Silva, Iandara Schettert; Reis, Filipe Abdalla dos; Belchior, Ana Carulina Guimarães; Aydos, Ricardo Dutra; Facco, Gilberto Gonçalves; Dourado, Doroty Mesquita.
  • Carvalho, Paulo de Tarso Camillo de; UNIDERP. Department of Physiotherapy. Campo Grande. BR
  • Silva, Iandara Schettert; UNIDERP. Department of Veterinary. Campo Grande. BR
  • Reis, Filipe Abdalla dos; UNIDERP. Department of Physiotherapy. Campo Grande. BR
  • Belchior, Ana Carulina Guimarães; UNIDERP. Department of Physiotherapy. Campo Grande. BR
  • Aydos, Ricardo Dutra; Federal University of Mato Grosso do Sul. Department of Surgery. Campo Grande. BR
  • Facco, Gilberto Gonçalves; UNIDERP. Department of Veterinary. Campo Grande. BR
  • Dourado, Doroty Mesquita; UNIDERP. Department of Physiotherapy. Campo Grande. BR
Acta cir. bras ; 21(supl.4): 13-17, 2006. ilus
Article in English | LILACS | ID: lil-440772
ABSTRACT

PURPOSE:

To investigate the effects of therapeutic ultrasound on the healing of tendon injuries in malnourished rats.

METHODS:

After the intended nutritional states had been attained, the animals (N=36) were distributed into three groups, named G1(N=12), control group; G2(N=12), malnourished rats treated with 3 MHz ultrasound at an intensity of 0.5 W/cm²; and G3 (N=12), normal animals treated with 3 MHz at 0.5 W/cm². The injuries were induced by means of an operation to expose the heel tendon and crush it using Allis forceps.

RESULTS:

The data obtained relating to leukocyte counts, fibroblasts, vessel neoformation, fibrosis and collagen were subjected to statistical treatment using analysis of variance (ANOVA) and Student's t test. Results of p < 0.05 were obtained for fibrosis and collagen.

CONCLUSION:

The ultrasound was shown to be effective in repairing the tendon, even in malnourished animals whose healing process was retarded.
RESUMO

OBJETIVO:

Investigar os efeitos do ultrassom terapêutico na cicatrização de lesões tendíneas em ratos desnutridos.

MÉTODOS:

Após ser constatado o estado nutricional proposto, os animais (N=36) foram distribuídos em três grupos, denominados G1(N=12) grupo controle, G2(N=12) desnutrido tratado com ultra-som 3 MHz a 0,5 w/cm² de intensidade e G3(N=12) animais normais tratados com 3 MHz a 0,5 w/cm². As lesões foram induzidas através de procedimento operatório para exposição e esmagamento com pinça Allis, do tendão calcâneo.

RESULTADOS:

Os dados obtidos em relação à quantidade de leucócitos, fibroblastos, neoformações de vasos, fibrose e colágeno foram submetidos ao tratamento estatístico pela análise de variância (ANOVA) e teste "t" obtendo-se p < 0,05 para fibrose e colágeno.

CONCLUSÃO:

O ultra-som mostrou-se eficaz no reparo tendíneo, mesmo nos animais desnutridos e com processo de cicatrização retardado.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Tendon Injuries / Ultrasonic Therapy / Wound Healing / Malnutrition Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2006 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Mato Grosso do Sul/BR / UNIDERP/BR

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Full text: Available Index: LILACS (Americas) Main subject: Tendon Injuries / Ultrasonic Therapy / Wound Healing / Malnutrition Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2006 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Mato Grosso do Sul/BR / UNIDERP/BR