SVP Classification for Pelvic Veins

The use of historical nomenclature for pelvic venous disorders fails to recognize the complex and interrelated pelvic venous circulation, contributes to misdiagnosis and poor treatment outcomes, and hinders clinical research.  The SVP (Symptoms-Varices-Pathophysiology)  the instrument is designed to clarify the classification of pelvic venous disorders by  defining homogenous patient populations.  The SVP instrument will facilitate clinical communication, allow treatment to be more precisely directed, and facilitate the development of patient-reported outcome measures and clinical trials.

The Symptoms-Varices-Pathophysiology (SVP) Classification of Pelvic Venous Disorders A Report of the American Vein & Lymphatic Society International Working Group on Pelvic Venous Disorders

Abstract

"As the importance of pelvic venous disorders (PeVD) has been increasingly recognized, progress in the field has been limited by the lack of a valid and reliable classification instrument. Misleading historical nomenclature, such as the “ May-Thurner,” “ pelvic congestion,” and “nutcracker” syndromes, often fails to recognize the interrelationship of many pelvic symptoms and their underlying pathophysiology. Based upon a perceived need, the American Vein and Lymphatic Society (AVLS) convened an international, multidisciplinary panel charged with developing a discriminative classification instrument for PeVD. This instrument, the “SVP” classification for PeVD, includes three domains – Symptoms (S), Varices (V), and Pathophysiology (P), with the pathophysiology domain encompassing the Anatomic (A), Hemodynamic (H), and Etiologic (E) features of the patient’s disease. An individual patient’s classification is designated as SVPA, H, E. For patients with pelvic origin lower extremity signs or symptoms, the SVP instrument is complementary and should be used in conjunction with CEAP. The SVP instrument accurately defines the diverse patient populations with PeVD, an important step in improving clinical decision making, developing disease-specific outcome measures, and identifying homogenous patient populations for clinical trials."

Venous Classification Workbooks - Now Available!

Improve your understanding and application of venous classification systems for lower leg (CEAP) and pelvic venous disease (SVP) with these two new digital workbooks created in collaboration with the American Venous Forum. Each course includes real patient cases explaining the classification systems and opportunities to practice classifying real patients.

  • Review venous classification with real patient cases
  • Learn at home with the digital workbook
  • Practice applying venous classification systems
  • Up to 4.5 hours of CME
  • Upt to 14 real patient cases per classification

SVP Presentation from 2020 AVLS Annual Congress

SVP Classifier App

The use of historical nomenclature for pelvic venous disorders fails to recognize the complex and interrelated pelvic venous circulation; contributes to misdiagnosis and poor treatment outcomes; and hinders clinical research. The SVP (Symptoms-Varices-Pathophysiology) instrument is designed to clarify the classification of pelvic venous disorders by defining homogenous patient populations. The SVP instrument will facilitate clinical communication, allow treatment to be more precisely directed, and facilitate the development of patient-reported outcome measures and clinical trials.

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