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Pre-Procedural Guidelines for Assessing Blood Pressure01:10

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A practical approach to interpreting lower extremity noninvasive physiologic studies.

Thomas E McCann1, Leslie M Scoutt1, Gowthaman Gunabushanam1

  • 1Department of Diagnostic Radiology, Yale University School of Medicine, 333 Cedar Street, PO Box 208042, New Haven, CT 06520, USA.

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Peripheral arterial disease (PAD) diagnosis relies on noninvasive vascular laboratory physiologic studies. This review details their practical application, interpretation, and limitations for evaluating suspected PAD.

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Ankle brachial indexPeripheral arterial diseasePulse volume recordingSegmental pressure measurementsVascular laboratory

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Area of Science:

  • Vascular Medicine
  • Diagnostic Imaging
  • Atherosclerosis Research

Background:

  • Peripheral arterial disease (PAD) is a significant manifestation of atherosclerosis.
  • PAD affects approximately 13% of individuals over 50 years old.
  • Noninvasive vascular studies are crucial for PAD diagnosis and management.

Purpose of the Study:

  • To provide a practical guide to noninvasive vascular laboratory physiologic studies for PAD.
  • To outline techniques, interpretation, pitfalls, and limitations of these diagnostic tools.
  • To present an algorithmic approach for using these studies in suspected PAD cases.

Main Methods:

  • Review of noninvasive vascular laboratory physiologic studies.
  • Focus on techniques, interpretation, and limitations.
  • Exclusion of purely anatomic imaging techniques.

Main Results:

  • Physiologic studies are indispensable for PAD evaluation and follow-up.
  • A practical approach to technique and interpretation is described.
  • An algorithmic approach for initial workup is provided.

Conclusions:

  • Noninvasive physiologic studies are essential for diagnosing and managing PAD.
  • Understanding their application and limitations is key for effective patient care.
  • This review offers a structured approach for clinicians.