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Jornal Vascular Brasileiro

versão impressa ISSN 1677-5449versão On-line ISSN 1677-7301

Resumo

TEDESCHI FILHO, Wagner et al. Influence of shoe heel height on venous function in young women. J. vasc. bras. [online]. 2007, vol.6, n.4, pp.352-358. ISSN 1677-5449.  http://dx.doi.org/10.1590/S1677-54492007000400009.

BACKGROUND: The influence of shoe heel height on venous function is still a controversial subject in the international literature. The importance of ergonomics for quality of life is a universally accepted factor, and situations that impair it, such as prolonged permanence in the supine position, shoe quality and workplace conditions may interfere with the individual"s health. OBJECTIVE: To analyze the influence of shoe heel height on lower limb venous drainage using air plethysmography. METHOD: Fifteen asymptomatic women with mean age of 24.6 years, wearing shoes of appropriate size were examined in three different situations: barefoot (0 cm), medium heels (3.5 cm) and high heels (7 cm). Body mass index was < 25 and the subjects were classified according to the CEAP International Classification based on clinical (C0 or C1), etiologic (Ep), anatomic (As) and physiopathological (Pr) criteria. The values of venous filling index (VFI), ejection fraction (EF) and residual volume fraction (RVF) were divided into three categories according to heel height and compared to one another by repeated means analysis of variance (ANOVA). RESULTS: EF was decreased and RVF was increased in the high heel group compared to the barefoot group (p < 0.005). These parameters did not differ between the medium heel group and the other groups. VFI showed a similar behavior in the three situations evaluated. CONCLUSION: High heels reduce muscle pump function, as demonstrated by the fall in EF and increase in RVF, and their continued use may provoke venous hypertension in the lower limbs, possibly representing a predictive factor of venous disease symptoms.

Palavras-chave : Plethysmography; ergonomics; lower limbs; venous insufficiency.

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