Quality of life after endovascular sclerotherapy of low-flow venous malformations: the efficacy of polidocanol compared with ethanol

Abstract

Background

Limited information is available on mid-term results and quality of life (QOL) after endovascular sclerotherapy of venous malformations.

Purpose

To compare two agents—polidocanol and ethanol—with a focus on the influence on QOL after sclerotherapy.

Material and Methods

Forty-one consecutive patients with a venous malformation in the head and neck area or in the extremities were treated with polidocanol between 2008 and 2013. Pre- and post-treatment magnetic resonance imaging (MRI) scans were compared. All patients completed a self-evaluation form on symptoms as well as a QOL questionnaire. The results were compared with previously obtained material during 1991–2001, comprising 44 consecutive, similarly located venous malformation patients subject to ethanol sclerotherapy.

Results

No significant clinical complications were observed. Subjectively, 19 (46%) of the patients benefitted from the treatment. QOL results showed that 85% of patients had an index < 39 – where 0 represents the highest and 100 the lowest QOL. Patients in the ethanol group had marginally better overall post-treatment QOL results. Post-treatment MRI in 35 patients showed the size of the malformation unchanged in 19 (54%) patients, in ten (29%) there was a decrease (<50%) while in six (17%) the decrease was more significant (>50%). Post-treatment MRI results did not correlate with either subjective symptoms or QOL results.

Conclusion

Polidocanol sclerotherapy were found to be an effective, safe, and well tolerated treatment option for low flow venous malformations. Routine MRI for follow-up appears redundant and may be omitted.

Keywords

Venous malformations sclerotherapy polidocanol quality of life pain

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