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Critical limb ischaemia

E Minar1

  • 1Medical University Vienna, Department of Internal Medicine II, Waehringer Guertel 18-20, 1090 Vienna, Austria. erich.minar@meduniwien.ac.at

Hamostaseologie
|January 20, 2009
PubMed

Insights

Critical limb ischaemia (CLI), a severe form of peripheral arterial disease (PAD), requires prompt diagnosis and treatment. Management focuses on pain relief, wound healing, and preventing limb loss through revascularization and multidisciplinary care.

Area of Science:

  • Vascular Medicine
  • Cardiovascular Surgery
  • Diabetology

Background:

  • Critical limb ischaemia (CLI) is a severe manifestation of peripheral arterial disease (PAD).
  • CLI presents as chronic ischaemic rest pain, ulcers, or gangrene, necessitating haemodynamic confirmation.
  • Diabetes is a primary risk factor, and CLI indicates generalized atherosclerosis with a poor prognosis.

Purpose of the Study:

  • To outline the diagnostic criteria and management goals for CLI.
  • To emphasize the importance of revascularization and multidisciplinary care in CLI treatment.
  • To discuss current therapeutic options, including prostanoids, and the potential role of angiogenesis.

Main Methods:

  • Clinical diagnosis confirmed by haemodynamic parameters (ankle/toe systolic pressure).
  • Review of treatment goals: pain relief, ulcer healing, limb salvage, improved function, and survival.
  • Assessment of revascularization strategies, multidisciplinary approaches, and pharmacological interventions.

Main Results:

  • CLI incidence is 500-1000 per million annually, with diabetes as a key risk factor.
  • CLI signifies severe atherosclerosis, correlating with reduced overall survival.
  • Prostanoids are effective for CLI patients ineligible for revascularization; therapeutic angiogenesis requires further validation.

Conclusions:

  • Early diagnosis and intervention are crucial for managing CLI.
  • A multidisciplinary approach and timely revascularization are essential for limb salvage and improved outcomes in CLI patients.
  • While prostanoids offer a treatment option, the role of therapeutic angiogenesis in CLI management remains under investigation.

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