Jornal Vascular Brasileiro
https://www.jvascbras.org/article/doi/10.1590/1677-5449.190009
Jornal Vascular Brasileiro
Original Article

Influência da densidade de energia endovenosa linear no sucesso da termoablação endovenosa a laser como tratamento da insuficiência venosa crônica

Influence of linear intravenous energy density on the success of intravenous laser ablation for treatment of chronic venous insufficiency

Luiza de Freitas Heineberg; Adriana Buechner de Freitas Brandão; Filipe Carlos Caron; Jaqueline Beirith; Walter Junior Boim de Araujo

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Resumo

Resumo: Contexto: Mostra-se relevante a elucidação da influência da densidade de energia endovenosa linear (linear endovenous energy density, LEED) média no sucesso do tratamento da insuficiência venosa crônica por termoablação endovenosa a laser visando diminuir a morbidade desse método.

Objetivos: Avaliar a influência da LEED média na prevalência de fechamento das safenas após 30 dias do procedimento.

Métodos: Foram analisados 153 membros inferiores de 118 pacientes de um hospital referência, submetidos a termoablação com laser endovenoso 1470 nm sob anestesia local para o tratamento de insuficiência venosa crônica. Foi calculada a LEED média dos pacientes tratados para determinar se foi necessária uma energia maior que a média para o sucesso do tratamento.

Resultados: Dos 153 membros inferiores submetidos ao tratamento, houve diferença significativa (p = 0,021) no fechamento da junção safeno-femoral relacionada à LEED média utilizada acima do joelho. Por outro lado, no segmento de coxa não houve diferença significativa.

Conclusões: A LEED acima da média de 70,57 J/cm apresentou um índice maior de fechamento na junção safeno-femoral. Porém, no segmento de coxa, a densidade não influenciou o resultado, demonstrando que uma energia mais alta do que 70,57 J/cm tende a não ser necessária para o tratamento desse segmento.

Palavras-chave

insuficiência venosa, laser, veia safena, varizes

Abstract

ABSTRACT: Background: It is relevant to elucidate the influence that mean linear endovenous energy density (LEED) has on the success of endovenous laser ablation treatment for chronic venous insufficiency, in order to reduce the method’s adverse effects.

Objectives: To evaluate the influence of mean LEED on the prevalence of saphenous closure 30 days after the laser ablation procedure.

Methods: 153 lower limbs from 118 patients seen at a tertiary hospital and treated for chronic venous insufficiency with endovenous 1470 nm laser ablation under local anesthesia were evaluated. The mean LEED used to treat patients was calculated to determine whether greater than average LEED was required for treatment success.

Results: A significant difference (p = 0.021) in saphenofemoral junction closure was associated with mean LEED used above the knee. Conversely, there was no significant difference in the thigh segment.

Conclusions: Linear intravenous energy density greater than the mean of 70.57 J/cm was associated with a higher rate of closure at the saphenofemoral junction. However, density did not have an influence on the result for the thigh segment, showing that an energy density exceeding 70.57 J/cm tends not to be required for treatment of this segment.
 

Keywords

venous insufficiency, laser, saphenous vein, varicose veins

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Submitted date:
01/30/2019

Accepted date:
05/28/2019

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