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Do telangiectases communicate with the deep venous system?

K Böhler-Sommeregger1, F Karnel, S Schuller-Petrovic

  • 1Department of Dermatology, University of Vienna, Austria.

The Journal of Dermatologic Surgery and Oncology
|May 1, 1992
PubMed
Summary
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This study reveals that some leg telangiectases connect to deep veins, posing a risk for complications like deep vein thrombosis during sclerotherapy treatment.

Area of Science:

  • Vascular Surgery
  • Radiology
  • Dermatology

Background:

  • Telangiectases are common leg vascular lesions, often treated with sclerotherapy for cosmetic reasons.
  • Complications such as deep vein thrombosis (DVT) and pulmonary embolism (PE) are rare but serious risks associated with sclerotherapy.
  • The underlying anatomical factors predisposing to these iatrogenic thrombotic events remain unclear.

Purpose of the Study:

  • To investigate potential anatomical risk factors linking leg telangiectases to the deep venous system.
  • To identify specific connections that might explain the occurrence of iatrogenic thrombosis after sclerotherapy.

Main Methods:

  • Ascending venography was performed on 15 patients with leg telangiectases.
  • Direct injection of contrast medium into the telangiectases was done concurrently with venography.

Related Experiment Videos

  • A digital radiographic technique was employed for imaging.

    • Main Results:

    • In two patients, contrast medium flowed freely into the femoral veins from the injected telangiectases.
    • This study provides the first in vivo demonstration of venae communicantes connecting intradermal telangiectases to deep leg veins.
    • These findings suggest that specific anatomical variations can facilitate sclerosant spillage into deep veins.

    Conclusions:

    • Certain anatomical configurations of leg telangiectases create a risk for sclerosant entry into the deep venous system.
    • These connections may explain the development of iatrogenic deep vein thrombosis following compression sclerotherapy.
    • Identifying these anatomical predispositions is crucial for risk stratification and patient safety in sclerotherapy.