estreptoquinase e oxigênio hiperbárico em congestão após reimplante de membro effects of streptokinase and hyperbaric oxygen therapy on venous occlusion after limb reimplantation in rats

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ID: 152637
2007
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Abstract
OBJETIVO: Foram testados os efeitos do fármaco estreptoquinase e da terapia com oxigênio hiperbárico em modelo experimental de oclusão venosa após reimplante de membro. MÉTODOS: Foram realizadas amputações com preservação de vasos e nervos dos membros posteriores direitos de 140 ratos. Os grupos GM0, GM1, GM2, GM3 e GM4 foram submetidos a tempos de oclusão venosa de zero, uma, duas, três e quatro horas. Os grupos GE1 e GE2 foram tratados com estreptoquinase e terapia com oxigênio hiperbárico, respectivamente, após oclusão venosa de três horas. Os resultados foram analisados estatisticamente pelo teste do Qui-quadrado (p<0,05). RESULTADOS: As taxas de mortalidade transoperatórias dos grupos GM0, GM1, GM2, GM3 e GM4 foram 0%, 10%, 15%, 30% e 60% e as pós-operatórias foram 5%; 11,1%; 11,7%; 14,2% e 100%, respectivamente. As taxas de viabilidade dos membros isquêmicos após sete dias de avaliação foram 100%, 87,5%, 80% e 66,67%. As taxas de viabilidade dos grupos GE1 e GE2 foram 76,9% e 100%, respectivamente. As taxas de mortalidade transoperatórias foram diferentes estatisticamente com exceção de GM1 e GM2. As taxas de mortalidade pós-operatórias não foram diferentes com exceção de GM3 e GM4. As taxas de viabilidade dos grupos modelo foram diferentes entre si, exceto os grupos GM1 e GM2. GE1 resultou em uma viabilidade de membros sem diferença estatística e GE2 em uma viabilidade de membros maior que GM3. CONCLUSÃO: A estreptoquinase não alterou os efeitos da oclusão venosa e a terapia com oxigênio hiperbárico aumentou a viabilidade dos membros.
OBJECTIVE: The effectiveness of streptokinase and hyperbaric oxygen therapy on venous occlusion after limb reimplantation was tested in rats. METHODS: Amputation with preservation of vessels and nerves of the right hind limb was carried out in 140 rats. Groups MG0, MG1, MG2, MG3 and MG4 were submitted to 0, 1, 2, 3 and 4 hours of venous occlusion. MG3 was elected as control for the experimental groups. Groups EG1 and EG2 were submitted to 3 hours of venous occlusion and were treated with streptokinase and hyperbaric oxygen therapy. Limbs were observed for 7 days and their mortality and survival rates were studied. RESULTS: Trans-operatory mortality rates in groups MG0, MG1, MG2, MG3 and MG4 were 0, 10, 15, 30 and 60% respectively and the postoperatory mortality rates were 5; 11.1; 11.7; 14.2 and 100% respectively. The limb survival rates were 100%, 87.5%, 80% and 66.67% respectively and 76.9% and 100% in EG1 and EG2. Model groups were statistically different, except for MG1 and MG2 in trans-operatory mortality rates. There were no statistical differences in postoperatory mortality rates between model groups except for MG3 and MG4. Model groups were statistically different, with the exception of MG1 and MG2, in limb survival rates. EG1 and MG3 showed no statistical difference in limb survival and EG2 had a better limb survival than MG3. CONCLUSION: Results suggest that the administration of streptokinase does not change effects of venous occlusion and that hyperbaric oxygen therapy may decrease the effects of venous occlusion in limbs.
Reference Key
cunha2007revistaestreptoquinase Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Marcelo Sacramento Cunha;José Carlos Faes da Silva;Hugo Alberto Nakamoto;Klaus Werner Fels;Marcus Castro Ferreira
Journal acta crystallographica section e
Year 2007
DOI
10.1590/S0104-42302007000100015
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-42302007000100015
Keywords
streptokinase

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