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Intermediate Technical IVT

Rutherford classification

Pronunciation: RUTH-er-ford

Standardized system for grading chronic limb ischemia severity in peripheral arterial disease.

Full Definition

The Rutherford classification is a standardized clinical grading system used to categorize the severity of chronic limb ischemia in patients with peripheral arterial disease (PAD). The system divides patients into categories ranging from 0 (asymptomatic) to 6 (major tissue loss), with subcategories based on objective criteria including walking distance, ankle-brachial index, and presence of tissue loss. Categories 0-3 represent claudication of varying severity, Category 4 indicates ischemic rest pain, Category 5 denotes minor tissue loss, and Category 6 signifies major tissue loss requiring amputation. This classification system provides a common language for clinicians, enables comparison across studies, and helps guide treatment decisions by stratifying patients according to limb threat level. The Rutherford classification is widely used in clinical practice and research to assess treatment outcomes and determine optimal therapeutic interventions.

Usage

Usage note: Always capitalize as proper noun; include category number when specified

In Context

  • "The patient presented with Rutherford Category 3 claudication, experiencing symptoms at less than one block." — Vascular surgery consultation
  • "Following revascularization, the patient improved from Rutherford Category 5 to Category 1." — Post-intervention follow-up

Also known as

Rutherford grading Rutherford scale

Contrasted with

Fontaine classification

Don't confuse with

Fontaine classification Wagner classification

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