Subclavian Artery Thrombosis Workup

  • Author: Mary C Mancini, MD, PhD; Chief Editor: John Geibel, MD, DSc, MA   more...
 
Updated: Nov 15, 2011
 

Laboratory Studies

  • Complete blood cell count, platelet count, and basic chemistry profile: Results should be within reference ranges; however, abnormalities in these parameters could be early indicators of dehydration or a hypercoagulable state.
  • Prothrombin time, activated partial thromboplastin time: Again, results should be within reference ranges; however, they should be checked in order to assess the patient's coagulation profile.
  • Antithrombin III level: In a hypercoagulable state, the antithrombin III level is low.
  • Alpha-macroglobulin, plasminogen levels: Low levels indicate a prothrombotic state.
  • Fibrinogen, factor VII, and factor VIII levels: Elevated levels indicate a prothrombotic state.
  • Protein C and S levels: Abnormalities in these parameters indicate a chronic inflammatory state.
  • Factor V Leiden and factor II C20210-a levels should also be assessed.
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Imaging Studies

  • Arteriography: This is a vital component of the evaluation process in order to determine the anatomical aberrations of the arterial system and to plan possible therapeutic interventions. Include a venous runoff as well because accompanying subclavian vein pathology should not be overlooked.
  • Computerized axial tomography scanning: This study is of assistance in defining bony pathology of the thoracic outlet that may contribute to occlusion of the subclavian artery.
  • Magnetic resonance arteriography: This study is a useful modality for defining subclavian artery anatomy and pathology.[5]
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Other Tests

  • Echocardiography should be obtained in order to evaluate possible sources of arterial emboli.
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Contributor Information and Disclosures
Author

Mary C Mancini, MD, PhD  Professor and Chief of Cardiothoracic Surgery, Department of Surgery, Louisiana State University School of Medicine in Shreveport

Mary C Mancini, MD, PhD is a member of the following medical societies: American Association for Thoracic Surgery, American College of Surgeons, American Surgical Association, Phi Beta Kappa, Society of Thoracic Surgeons, and Southern Surgical Association

Disclosure: Nothing to disclose.

Specialty Editor Board

Jeffrey Lawrence Kaufman, MD  Associate Professor, Department of Surgery, Division of Vascular Surgery, Tufts University School of Medicine

Jeffrey Lawrence Kaufman, MD is a member of the following medical societies: Alpha Omega Alpha, American College of Surgeons, American Society for Artificial Internal Organs, Association for Academic Surgery, Association for Surgical Education, Massachusetts Medical Society, Phi Beta Kappa, and Society for Vascular Surgery

Disclosure: Nothing to disclose.

Francisco Talavera, PharmD, PhD  Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Medscape Salary Employment

Daniel S Schwartz, MD, FACS  Assistant Clinical Professor of Cardiothoracic Surgery, Mount Sinai School of Medicine; Chief of Thoracic Surgery, Huntington Hospital

Daniel S Schwartz, MD, FACS is a member of the following medical societies: American College of Chest Physicians, American College of Surgeons, Society of Thoracic Surgeons, and Western Thoracic Surgical Association

Disclosure: Nothing to disclose.

Paolo Zamboni, MD  Professor of Surgery, Chief of Day Surgery Unit, Chair of Vascular Diseases Center, University of Ferrara, Italy

Paolo Zamboni, MD is a member of the following medical societies: American Venous Forum and New York Academy of Sciences

Disclosure: Nothing to disclose.

Chief Editor

John Geibel, MD, DSc, MA  Vice Chair and Professor, Department of Surgery, Section of Gastrointestinal Medicine, and Department of Cellular and Molecular Physiology, Yale University School of Medicine; Director, Surgical Research, Department of Surgery, Yale-New Haven Hospital

John Geibel, MD, DSc, MA is a member of the following medical societies: American Gastroenterological Association, American Physiological Society, American Society of Nephrology, Association for Academic Surgery, International Society of Nephrology, New York Academy of Sciences, and Society for Surgery of the Alimentary Tract

Disclosure: AMGEN Royalty Consulting; ARdelyx Ownership interest Board membership

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The anatomy of the subclavian artery in the thoracic outlet.
Carotid-subclavian bypass for subclavian steal syndrome.
Subclavian-subclavian or axillary-axillary bypass for subclavian artery occlusion.
 
 
 
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