Inflammatory diseases of the aorta, other than those of known infective etiology, are poorly understood. We analyzed a large series of affected patients who had histologic diagnoses with a view to improving the classification of the extent of aortitis to enable a more targeted approach of treatment.
Methods
Between 1996 and 2012, we operated on 7551 patients with ascending or aortic arch disease, of whom 279 had clinically diagnosed inflammatory disease. Of these, 156 (2%) were found to have aortitis on histologic examination.
Results
Patients were divided into 4 histologically based groups: giant cell aortitis, 31% (49/156); Takayasu arteritis, 5.1% (8/156); isolated aortitis, 59% (92/156); and other, 4.5% (7/156). Patterns of anatomic extent were also analyzed, and in particular it was noted that giant cell aortitis and isolated aortitis had more extensive disease. In addition, specimen analysis suggested early indications of unrecognized preexistent infections. Death after surgery occurred in 3.2% (5/156), and stroke in 1.9% (3/156). Kaplan-Meier survival at 8 years was 55%. We present a classification for disease extent and management.
Conclusions
Aortitis continues to be a conundrum; however, good results are achievable with surgery. Intervention should be based on a clearer understanding of the histologic pattern and extent of disease, which helps in subsequent targeted disease management.
CTSNet classification
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Disclosures: Authors have nothing to disclose with regard to commercial support.
