Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

The CHAT classification of stroke.

E F Bernstein1, N L Browse

  • 1Department of Surgery, Scripps Clinic and Research Foundation, La Jolla, California 92037.

Annals of Surgery
|February 1, 1989
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The pulsed-dye laser for treatment of cutaneous conditions.

Giornale italiano di dermatologia e venereologia : organo ufficiale, Societa italiana di dermatologia e sifilografia·2009
Same author

A pilot investigation to subjectively measure treatment effect and side-effect profile of non-ablative skin remodeling using a 532 nm, 2 ms pulse-duration laser.

Journal of cosmetic and laser therapy : official publication of the European Society for Laser Dermatology·2002
Same author

Value of isotope lymphography in the diagnosis of lymphoedema of the leg.

The British journal of surgery·2002
Same author

Glycolic acid treatment increases type I collagen mRNA and hyaluronic acid content of human skin.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2001
Same author

Extensive pigmentation secondary to minocycline treatment of rheumatoid arthritis.

The Journal of rheumatology·2001
Same author

Clinical characteristics of 500 consecutive patients presenting for laser removal of lower extremity spider veins.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2001
Same journal

Real-world Safety and Performance of the Symani Surgical System® in Microsurgical Reconstructive Procedures: Primary Results from the PRIMO Study.

Annals of surgery·2026
Same journal

Revisiting Simultaneous Liver and Kidney Transplantation from Donors After Circulatory Death in the Era of Machine Perfusion Technologies: A US Nationwide Analysis of 10,687 Cases.

Annals of surgery·2026
Same journal

The International Medical Graduate Paradox.

Annals of surgery·2026
Same journal

Defining the Incremental Value of Endoscopic Ultrasound in Assessing Pancreatic Cystic Neoplasms.

Annals of surgery·2026
Same journal

Trends in Metabolic and Bariatric Surgery and GLP-1 Receptor Agonist Use Among Adolescents with Severe Obesity.

Annals of surgery·2026
Same journal

The Ambulatory Surgery Center Paradox: Why 60% of Surgeries Occur Where 2% of AI Research Happens.

Annals of surgery·2026
See all related articles

A new classification system for cerebrovascular disease, the CHAT system, improves stroke episode reporting. It reveals significant differences in survival and stroke-free survival after carotid endarterectomy.

Area of Science:

  • Neurology
  • Vascular Surgery
  • Clinical Epidemiology

Background:

  • Current stroke terminology is inconsistent, hindering data inclusion on arterial disease extent and global brain symptoms.
  • Existing classifications lack European alignment and fail to capture hemispheric or global clinical history.
  • Inconsistent terminology complicates comparative analysis and clinical trial design for cerebrovascular disease.

Purpose of the Study:

  • To introduce and validate the Cerebrovascular History and Anatomy Taxonomy (CHAT) classification system.
  • To address limitations in current stroke episode terminology for cerebrovascular disease.
  • To enhance the reporting and analysis of surgical cerebrovascular disease experience.

Main Methods:

  • Development of the CHAT classification system incorporating clinical presentation, history, arterial disease details, and brain abnormalities.

Related Experiment Videos

  • Retrospective review of 480 consecutive carotid endarterectomy cases using the CHAT system.
  • Statistical analysis to compare survival and stroke-free survival probabilities based on presenting conditions and patient history.

    • Main Results:

    • The CHAT classification demonstrated advantages in analyzing carotid endarterectomy data.
    • Significant differences in survival probability were observed for asymptomatic stenosis patients with prior contralateral symptoms.
    • Stroke-free survival varied significantly between patients presenting with amaurosis fugax versus transient ischemic attacks (TIAs).

    Conclusions:

    • The CHAT classification system offers a significant advancement for reporting surgical cerebrovascular disease.
    • CHAT facilitates more precise analysis of patient outcomes after carotid endarterectomy.
    • This classification has implications for ongoing randomized trials comparing medical and surgical treatments for carotid artery disease.