Jornal Vascular Brasileiro
https://www.jvascbras.org/article/doi/10.1590/jvb.2014.015
Jornal Vascular Brasileiro
Original Article

Is vein damage the only cause of clinical signs of lower limb chronic venous insufficiency?

É a lesão venosa a única responsável pela clínica da insuficiência venosa crônica dos membros inferiores?

Amélia Cristina Seidel; Ricardo Lima Coelho; Mariana Lima Coelho; Cleusa Ema Quillici Belczak

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Abstract

Background:Venous insufficiency is a very prevalent disease. Some decades ago a group of patients was identified that had symptoms of venous insufficiency, but no visible anatomic abnormalities. Studies showed that this subset had reduced venous tone, and their condition became known as hypotonic phlebopathy.Objective:To investigate prevalence, age group and variations in body mass index (BMI) among patients with hypotonic phlebopathy.Methodology:A total of 1,960 limbs were examined in 1,017 patients who had been referred for complaints compatible with venous insufficiency. Patients with BMI ≥ 30 were defined as obese. The patients were examined using color Doppler ultrasonography to detect presence or absence of reflux in veins of the lower limbs and were then distributed into two groups as follows: patients with CEAP ≤ 1 and no reflux, diagnosed with hypotonic phlebopathy; or patients with CEAP ≥ 2 and reflux.Results:The study sample comprised 89.7% women and 10.3% men with a mean age of 44.9 years. Hypotonic phlebopathy was more common among the women (p = 0.0001). Obese women were more likely than women who were not obese to have venous symptom etiology involving trunk lesions (p = 0.0017). Among the men, obesity was unrelated to etiology of symptoms (p = 0.5991). Symptomology was more likely to be related to trunk vein damage among older age groups than among younger age groups (p-valor <0.0001).Conclusions:Hypotonic phlebopathy was very prevalent, particularly among young women who were not obese.

Keywords

venous insufficiency, color Doppler ultrasonography, varicose veins

Resumo

Contexto:A insuficiência venosa é uma doença muito prevalente. Há algumas décadas, evidenciou-se a existência de um grupo que, embora apresentasse sintomas de insuficiência venosa, não possuía alterações anatômicas visíveis. Estudos mostraram redução no tônus venoso nesses indivíduos, denominando-os portadores de flebopatia hipotônica.Objetivo:Estudar a prevalência, a faixa etária e as variações do índice de massa corporal (IMC) em pacientes portadores de flebopatia hipotônica.Metodologia:Foram examinados 1.960 membros de 1.017 pacientes, devido a queixas compatíveis com insuficiência venosa. Foram considerados obesos aqueles com IMC ≥ 30. Foram avaliados com ecocolor Doppler, para se detectar a presença ou não de refluxo em veias dos membros inferiores, sendo então distribuídos em dois grupos: aqueles com CEAP ≤ 1, além de excluído refluxo, os portadores de flebopatia hipotônica, e outros com CEAP ≥ 2 e com refluxo.Resultados:A amostra foi composta por 89,7% de mulheres e 10,3% de homens, com faixa etária média de 44,9 anos. A flebopatia hipotônica foi mais comum em mulheres (p-valor = 0,0001). Naquelas obesas, houve mais lesão troncular como etiologia dos sintomas venosos do que nas não obesas (p-valor = 0,0017). Dentre os homens, a presença de obesidade não influenciou na etiologia dos sintomas (p-valor = 0,5991). Nos grupos etários de idade mais avançada, a presença de sintomatologia teve como origem etiológica a lesão venosa troncular com mais frequência do que nas faixas etárias mais jovens (p-valor <0,0001).Conclusão:A flebopatia hipotônica se mostrou muito prevalente, principalmente em mulheres jovens não obesas.

Palavras-chave

insuficiência venosa, ultrassonografia Doppler em cores, veias varicosas

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