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Abstract

Background

Based on clinical observations we hypothesized that patients with intramuscular venous malformations (VMs) did worse or needed more sclerotherapy sessions than patients with extramuscular VMs.

Purpose

To evaluate the difference in treatment and quality of life (QOL) results after Polidocanol sclerotherapy of intra- and extramuscular low-flow VMs.

Material and methods

Forty-one patients with a VM were treated with Polidocanol in two university hospitals. The results were retrospectively analyzed. Pre- and post-treatment magnetic resonance imaging (MRI) scans were compared. All patients completed a self-evaluating form on symptoms as well as a QOL questionnaire. The results were compared between two groups: intra- and extramuscular VM’s.

Results

No statistically significant differences between intra- and extramuscular groups concerning QOL and specific dimensions pain, functional problems or cosmetic appearance were found. Radiological changes in MRI examinations did not correlate with any of the subjective symptoms. 56% of the patients benefitted from the treatment according to patient self-evaluation.

Conclusion

In this material intramuscular VM’s responded to the treatment comparably to extramuscular malformations. Post-treatment MRI findings do not correlate with subjective symptoms or QOL results and thus, a routine post-treatment examination seems to be unwarranted. Subjective symptoms and QOL results are the most important parameters in evaluating the effectiveness of sclerotherapy.

Keywords

Intramuscular extramuscular venous malformation quality of life sclerotherapy

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