Uncomplicated Type B Aortic Dissection: Challenges in Diagnosis and Categorization

Mohamad Bashir*, Sven Zcp Tan, Matti Jubouri, Joseph S. Coselli, Edward P. Chen, Idhrees Mohammed, Bashi Velayudhan, Parham Sadeghipour, Christoph A. Nienaber, Wael I. Awad, Worawong Slisatkorn, Randolph H.L. Wong, Gabrielle Piffaretti, Giovanni Mariscalco, Damian Bailey, Ian M. Williams

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


BACKGROUND: Acute type B aortic dissection (TBAD) is a rare disease that is likely under-diagnosed in the UK. As a progressive, dynamic clinical entity, many patients initially diagnosed with uncomplicated TBAD deteriorate, developing end-organ malperfusion and aortic rupture (complicated TBAD). An evaluation of the binary approach to the diagnosis and categorisation of TBAD is needed.

METHODS: A narrative review of the risk factors predisposing patients to progression from unTBAD to coTBAD was undertaken.

RESULTS: Key high-risk features predispose the development of complicated TBAD, such as maximal aortic diameter > 40 mm and partial false lumen thrombosis.

CONCLUSION: An appreciation of the factors that predispose to complicated TBAD would aid clinical decision-making surrounding TBAD.

Original languageEnglish
Pages (from-to)92-101
Number of pages10
JournalAnnals of Vascular Surgery
Issue number00
Early online date17 Apr 2023
Publication statusPublished - 5 Jun 2023


  • Type B Aortic Dissection (TBAD)
  • unTBAD
  • coTBAD


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