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Ankle fracture is associated with prolonged venous dysfunction

S Tierney1, P Burke, P Fitzgerald

  • 1Department of Surgery, Royal College of Surgeons in Ireland, Beaumont Hospital, Dublin.

The British Journal of Surgery
|January 1, 1993
PubMed
Summary
This summary is machine-generated.

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Ankle fractures significantly impair leg venous pump function for at least 12 weeks, with prolonged deficits in ejection volume fraction and increased residual volume fraction. Full recovery of venous function was observed by 18 weeks post-injury.

Area of Science:

  • Orthopedics
  • Vascular Medicine
  • Biomedical Engineering

Background:

  • Leg swelling is a common complication after ankle fractures.
  • Ankle fractures often require surgical intervention and immobilization, potentially affecting venous circulation.

Purpose of the Study:

  • To prospectively assess venous pump function and venous patency following ankle fractures.
  • To quantify the impact of ankle fractures on venous hemodynamics over time.

Main Methods:

  • Prospective study of 26 patients with ankle fractures undergoing surgical fixation and casting.
  • Air plethysmography used to measure functional venous volume, venous filling index (VFI), ejection volume fraction (EVF), and residual volume fraction (RVF).
  • Duplex ultrasonography assessed popliteal and femoral venous patency; uninjured leg served as control.

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Main Results:

  • No deep vein thrombosis occurred. Significant reductions in EVF and increases in RVF were observed at 5, 6, and 12 weeks post-fracture compared to the control leg (P < 0.001).
  • Venous pump function showed gradual improvement, with no significant differences between fractured and control limbs by 18 weeks.
  • Impaired venous pump function, characterized by reduced EVF and elevated RVF, persisted for at least 12 weeks.

Conclusions:

  • Ankle fractures lead to significant and prolonged impairment of venous pump function.
  • Recovery of venous hemodynamics is observed by 18 weeks after ankle fracture treatment.
  • Understanding these venous changes is crucial for managing post-fracture complications like leg swelling.