Certified Wound Specialist

An Ankle-Brachial Index (ABI) reading below 0.9 suggests borderline perfusion, which is indicative of some degree of peripheral artery disease (PAD) and compromised blood flow to the lower extremities. In terms of clinical significance, a reading in this range often signals the need for further evaluation and possible intervention, but does not immediately necessitate surgical intervention or suggest severe ischemia. Normal perfusion is generally indicated by readings of 0.9 to 1.3, while readings below 0.5 would more closely align with severe ischemia. Moreover, a reading below 0.9 indicates a potential for risk, prompting healthcare professionals to monitor the patient's vascular health and consider additional diagnostic procedures or conservative management strategies. Understanding the ABI results helps in the assessment of vascular health and guides treatment decisions.