CLI Treatment in Mountain View
Understanding Critical Limb Ischemia (CLI): Symptoms, Risks & Treatment | FKMD

Understanding Critical Limb Ischemia (CLI): Symptoms, Risks & Treatment

Critical Limb Ischemia (CLI) is the most severe form of Peripheral Arterial Disease (PAD). It occurs when blood flow to the limbs is significantly reduced, causing pain, non-healing wounds, and, if left untreated, potential limb loss. CLI is a medical emergency that requires immediate evaluation and expert care.

What Is Critical Limb Ischemia?

CLI is a progressive stage of PAD where blood flow is so restricted that the tissues in the legs or feet begin to suffer. Unlike intermittent claudication (which causes pain during activity), CLI causes pain even at rest and can result in ulcers or gangrene. Without treatment, CLI can lead to amputation and life-threatening complications.

Symptoms of CLI

  • Severe leg or foot pain, especially at night or when lying down
  • Non-healing sores or ulcers on toes, feet, or legs
  • Blackened or dead tissue (gangrene)
  • Shiny, thin, or pale skin
  • Weak or absent pulses in the foot
  • Cool temperature in the lower extremity

What Causes CLI?

The primary cause of CLI is atherosclerosis—a buildup of plaque in the arteries that narrows or blocks blood flow. Risk factors include:

  • Diabetes
  • Smoking
  • High cholesterol
  • Hypertension
  • Obesity
  • Kidney disease
  • Previous history of PAD or heart disease

How CLI Is Diagnosed

  • Ankle-Brachial Index (ABI): Measures the ratio of blood pressure in the ankle and arm
  • Doppler Ultrasound: Assesses blood flow in arteries
  • CT Angiography: Provides detailed images of arterial blockages
  • Catheter-Based Angiogram: Minimally invasive technique to visualize and treat blockages

Treatment Goals for CLI

  • Relieve pain
  • Promote wound healing
  • Restore blood flow
  • Prevent amputation
  • Improve mobility and quality of life

Advanced Treatments at FKMD

  • Balloon Angioplasty: Opens up narrowed arteries using a small balloon
  • Stenting: Keeps the artery open with a metal mesh device
  • Atherectomy: Removes plaque buildup inside the artery
  • Drug-Coated Balloon Therapy: Delivers medication to reduce restenosis

These procedures are often performed on an outpatient basis, avoiding the need for traditional surgery and speeding up recovery.

Limb Salvage vs. Amputation

Limb salvage is our top priority. Early diagnosis and revascularization dramatically reduce the chance of needing an amputation. At FKMD, we work with your entire care team to save your limb and improve long-term outcomes.

The Role of Wound Care

CLI often results in chronic wounds that are slow to heal. Our team coordinates with wound care specialists to provide integrated treatment, including:

  • Debridement (removal of dead tissue)
  • Advanced dressings and topical therapies
  • Hyperbaric oxygen therapy (when appropriate)

Lifestyle Changes to Prevent Progression

  • Quitting smoking
  • Managing blood sugar and cholesterol
  • Eating a heart-healthy diet
  • Following an exercise regimen
  • Adhering to prescribed medications

Why Early Intervention Matters

CLI can be fatal if not treated promptly. It is associated with high rates of limb loss and mortality within 1–2 years of diagnosis. That’s why early detection, referral, and action are critical to improving outcomes.

Why Choose FKMD?

At FKMD, we provide a comprehensive approach to CLI using minimally invasive vascular techniques. Our skilled interventional radiologists perform the latest procedures with precision and care, helping patients avoid surgery and recover faster.

Get Help Today

If you or a loved one is suffering from non-healing leg wounds, severe leg pain, or has been told amputation is the only option—get a second opinion. CLI is serious, but there are advanced treatments available that can save your limb and your life.

📞 Call 650-404-8445 to schedule your CLI consultation at FKMD today.