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Related Experiment Videos

Hand ischemia after radial artery cannulation.

R James Valentine1, J Gregory Modrall, G Patrick Clagett

  • 1Division of Vascular Surgery, Department of Surgery, The University of Texas Southwestern Medical Center, Dallas, TX 75390-9031, USA.

Journal of the American College of Surgeons
|June 28, 2005
PubMed
Summary

Radial artery cannulation can cause hand ischemia, leading to a high risk of tissue loss. Nonoperative therapy with vasodilators may be as effective as surgery in preventing digital gangrene.

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Area of Science:

  • Vascular Surgery
  • Hand Surgery
  • Arterial Monitoring

Background:

  • Hand ischemia is a rare but serious complication of radial artery cannulation.
  • The causes and outcomes of this complication remain unclear.

Purpose of the Study:

  • To investigate the causes and outcomes of hand ischemia following radial artery cannulation.
  • To evaluate the effectiveness of different treatment strategies.

Main Methods:

  • Retrospective review of eight patients with radial cannula-induced arterial thrombosis over five years.
  • Documentation of thrombosis via noninvasive tests or arteriography.
  • Analysis of treatment outcomes including surgical repair and nonoperative management.

Main Results:

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  • Ischemia duration averaged 3 days, affecting the entire hand or digits.
  • Surgical repair (thrombectomy, angioplasty, vein graft) had a high occlusion rate.
  • All patients with repaired arteries experienced ongoing ischemia, leading to gangrene or amputation.
  • Nonoperative treatment with vasodilators resulted in gangrene in only one patient.

Conclusions:

  • Hand ischemia after radial artery cannulation carries a significant risk of tissue loss.
  • Operative repair showed no advantage over nonoperative therapy in preventing digital gangrene.
  • Distal embolization is hypothesized as a cause of persistent ischemia.
  • Nonoperative management with vasodilators can be effective.