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Putting a Class I Stocking over a Class I Stocking Does Not Make a Class II Stocking.

Kotaro Suehiro1, Noriyasu Morikage, Masanori Murakami

  • 1Division of Vascular Surgery, Department of Surgery and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan.

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PubMed
Summary

Doubling compression stockings significantly increases interface pressures (IPs), especially in the supine position. Even larger sizes of double stockings yield higher IPs than single ones, warranting caution.

Keywords:
compression stockinginterface pressurestatic stiffness index

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Area of Science:

  • Vascular Medicine
  • Biomedical Engineering
  • Textile Science

Background:

  • Compression stockings are vital for managing venous disorders.
  • Understanding interface pressures (IPs) is crucial for effective compression therapy.
  • The impact of doubling compression stockings on IPs requires thorough investigation.

Purpose of the Study:

  • To evaluate the interface pressures (IPs) achieved when using double-layered compression stockings.
  • To compare IPs from double stockings against single stockings across various sizes and body positions.

Main Methods:

  • Ten healthy volunteers participated in the study.
  • Interface pressures were measured using single and double class I compression stockings (sizes S to 4L).
  • Measurements were taken in both standing and supine positions.

Main Results:

  • Double S-size stockings produced significantly higher IPs (1.7 times and 20 mmHg greater) than single S-size stockings.
  • Even the largest size (4L) double stockings resulted in higher IPs than single S-size stockings.
  • IPs decreased with increasing stocking size but remained elevated in double-layer configurations.

Conclusions:

  • Doubling compression stockings significantly increases interface pressures in both standing and supine positions.
  • Clinicians should exercise caution, as double stockings, particularly in the supine position, can lead to excessively high IPs.
  • This highlights the importance of appropriate sizing and application when considering double-layer compression therapy.