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Related Concept Videos

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

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Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
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Pulse Assessment Sites01:11

Pulse Assessment Sites

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Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
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Peripheral Artery Disease IV: Nursing Management01:26

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 The nursing management of a patient with peripheral artery disease (PAD) begins with a thorough assessment of the patient’s health history and clinical manifestations.AssessmentHealth History: Evaluate the patient’s history of hypertension, hyperlipidemia, family history of cardiovascular issues, and lifestyle factors such as dietary patterns, smoking, and physical activity.Physical Examination:Assess the affected extremity for decreased or absent peripheral pulses,...
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Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Assessment of the Cardiovascular System III: Palpation01:27

Assessment of the Cardiovascular System III: Palpation

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Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
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Related Experiment Video

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Methods for Acute and Subacute Murine Hindlimb Ischemia
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Perfusion imaging techniques in lower extremity peripheral arterial disease.

Nikolaos Galanakis1, Thomas G Maris2, Nikolaos Kontopodis3

  • 1Department of Medical Imaging, University Hospital Heraklion, University of Crete Medical School, Heraklion, Greece.

The British Journal of Radiology
|May 6, 2022
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Summary

Peripheral arterial disease (PAD) affects lower limb blood flow. Imaging techniques like ultrasound and MRI can assess limb perfusion, aiding in treatment planning and prognosis for PAD patients.

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Area of Science:

  • Vascular Medicine
  • Medical Imaging
  • Radiology

Background:

  • Lower limb peripheral arterial disease (PAD) involves impaired blood flow due to arterial blockages.
  • Diagnosis typically relies on clinical assessment, ankle-brachial index, and imaging like ultrasound, CT, MRI, and angiography.
  • While assessing macrovascular lesions, these modalities can also evaluate limb perfusion.

Purpose of the Study:

  • To provide an overview of lower limb perfusion imaging techniques.
  • To discuss the clinical applications of these techniques in evaluating PAD.
  • To highlight their role in assessing revascularization outcomes.

Main Methods:

  • Review of established and emerging perfusion imaging techniques.
  • Discussion of modalities including ultrasound, CT, MRI, digital subtraction angiography, and scintigraphy.
  • Focus on specific protocols and applications for lower limb perfusion assessment.

Main Results:

  • Imaging modalities offer valuable data on limb perfusion beyond macrovascular lesion characterization.
  • Perfusion assessment aids in evaluating ischemia severity and identifying hypoperfused areas.
  • Techniques are crucial for planning revascularization and assessing treatment success.

Conclusions:

  • Imaging-based perfusion assessment is vital for comprehensive PAD evaluation.
  • These techniques enhance treatment strategy planning and outcome monitoring.
  • Perfusion imaging provides critical prognostic information, including amputation risk.