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. 2016 Jul-Sep;15(3):217-223.
doi: 10.1590/1677-5449.004616.

Estudo comparativo da termoablação da veia safena magna na coxa, com e sem tumescência

[Article in Portuguese]
Fabiano Luiz Erzinger  1 , Walter Junior Boim de Araujo  1 , Carlos Seme Nejm Junior  2 , Filipe Carlos Caron  1 , Jorge Rufino Ribas Timi  1   2
Affiliations

Estudo comparativo da termoablação da veia safena magna na coxa, com e sem tumescência

[Article in Portuguese]
Fabiano Luiz Erzinger et al. J Vasc Bras. 2016 Jul-Sep.

Abstract
in English, Portuguese

Background: Endovenous laser treatment of saphenous veins offers patients a procedure with low rates of complications and an early return to occupational activities.

Objective: To compare rates of formation of bruising, of paresthesia along the path of the great saphenous vein (GSV), and of GSV obliteration 30 days after thermal ablation in the thigh, performed with or without tumescence and using two different types of fiber.

Methods: This was a prospective study, analyzing three groups of patients who underwent GSV thermal ablation in the thigh, using a wavelength of 1470 nm. Patients in group 1 were treated with a conventional fiber using tumescence; those in group 2 were treated with a conventional fiber without using tumescence; and patients in group 3 were treated with a double radial fiber without tumescence. After 30 days, the rates of obliteration shown by Doppler ultrasonography, of paresthesias, and of bruising were compared.

Results: Comparison of the results of thermal ablation of 90 GSVs in the thigh revealed similar rates of obliteration, with no statistical differences. The rate of paresthesia along the path of the GSV in the thigh was higher in the groups without tumescence than in the group with tumescence, but the difference only attained statistical significance for the comparison with the group that was treated with the conventional fiber. There was bruising in all groups, with greater frequency in group 1 (73.33%).

Conclusions: Tumescence proved useful for preventing minor neurological injuries, but didn’t have any influence on the rates of bruising occurrence or of occlusion of the GSV in the thigh up to 30 days after thermal ablation.

Contexto: O tratamento com laser endovenoso das veias safenas oferece ao paciente um procedimento com baixos índices de complicações, proporcionando retorno precoce à atividade ocupacional.

Objetivo: Comparar a formação de hematoma, a presença de parestesia no trajeto da veia safena magna (VSM) e a sua taxa de obliteração em 30 dias após a termoablação ao nível da coxa, utilizando ou não a tumescência e dois tipos de fibras.

Métodos: Estudo prospectivo em que foram analisados três grupos de pacientes submetidos a termoablação da VSM em coxa, utilizando comprimento de onda 1470 nm. No grupo 1, utilizou-se fibra convencional e tumescência; no grupo 2, fibra convencional sem tumescência; e no grupo 3, fibra dupla radial sem tumescência. Foram comparados, no período de 30 dias, a taxa de obliteração ao eco-Doppler, a ocorrência de parestesias e hematomas.

Resultados: Ao se comparar 90 VSMs de coxa submetidas a termoablação, obteve-se taxas de obliterações similares entre os grupos, sem diferença estatística. Nos grupos sem tumescência, ocorreu maior número de parestesias no trajeto da VSM na coxa no sétimo dia do que no grupo com tumescência, mas somente com significância estatística na comparação com o grupo da fibra convencional. Ocorreram hematomas em todos os grupos, sendo mais frequentes no grupo 1 (73,33%).

Conclusões: A realização da tumescência mostrou-se útil na prevenção de lesões neurológicas menores, mas não influenciou a ocorrência de hematomas e a taxa de oclusão da VSM na coxa em até 30 dias de sua termoablação.

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Conflict of interest statement

Conflito de interesse: Os autores declararam não haver conflitos de interesse que precisam ser informados.

Figures

Figura 1
Figura 1. (A) fibra convencional; (B) fibra dupla radial.
Figura 2
Figura 2. Local da punção e acompanhamento da progressão da fibra com ultrassom.
Figura 3
Figura 3. Controle no sétimo dia. Paciente do grupo com tumescência com hematoma menor, local da parestesia indicado.
Figure 1
Figure 1. (A) Conventional (bare) fiber; (B) Double radial fiber.
Figure 2
Figure 2. Puncture site and monitoring of progress of fiber with ultrasound.
Figure 3
Figure 3. Control on day 7. Patient in group treated with tumescence, with minor bruising, indicating location of paresthesia.
See this image and copyright information in PMC

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