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Lower limb arteriosclerosis is a chronic vascular disease. Without early diagnosis and treatment, it may cause severe obstruction of blood flow, leading to ulcers and tissue necrosis, and even amputation. Diagnostic methods are diverse, covering clinical symptom observation, imaging examinations, and vascular function assessments to ensure comprehensive and accurate identification of the condition.
1. Clinical Symptom Assessment
Doctors inquire about the patient’s pain characteristics, walking endurance, and limb sensory changes to preliminarily judge vascular involvement, providing a basis for further diagnosis.
2. Pulse Examination of Limbs
Palpating the pulse strength of the major arteries in the lower limbs is an important means of quickly screening for vascular stenosis or occlusion. A weakened pulse suggests arteriosclerosis.
3. Ankle-Brachial Index (ABI) Measurement
Measuring the ratio of ankle to arm blood pressure, an ABI value lower than the normal range indicates insufficient blood supply to the lower limbs, making it a non-invasive and sensitive diagnostic method.
4. Doppler Ultrasound Examination
Doppler ultrasound is used to evaluate blood flow velocity and vascular stenosis, helping to locate the lesion site. It is a commonly used and safe diagnostic technique.
5. Angiography
By injecting contrast agents to observe vascular morphology and blood flow patency, angiography is considered the gold standard for diagnosing lower limb arteriosclerosis and can precisely guide treatment plans.
6. Magnetic Resonance Angiography (MRA)
MRA can clearly display vascular structures without contrast agents, helping to assess the extent of lesions. It is suitable for patients who cannot tolerate contrast agents.
7. Computed Tomography Angiography (CTA)
CTA combines CT scanning with contrast agents to display vascular conditions quickly and accurately, particularly effective for complex lesions.
The diagnosis of lower limb arteriosclerosis requires a multi-dimensional approach. Early identification is crucial to slowing disease progression. Experts at United Life International Medical Center point out that scientific diagnosis and timely treatment can significantly reduce the risk of amputation and improve patients’ quality of life. Regular screening is recommended for high-risk groups, along with advanced technology for precise management.
