Aortic dissection associated with cogans's syndrome: Deleterious loss of vascular structural integrity is associated with GM-CSF overstimulation in macrophages and smooth muscle cells

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Abstract

Background: Cogan's syndrome is a rare disorder of unknown origin characterized by inflammatory ocular disease and vestibuloauditory symptoms. Systemic vasculitis is found in about 10% of cases.Case presentation: A 46-year-old female with Cogans's syndrome and a history of arterial hypertension presented with severe chest pain caused by an aneurysm of the ascending aorta with a dissection membrane located a few centimeters distal from the aortic root. After surgery, histopathological analysis revealed that vascular matrix integrity and expression of the major matrix molecules was characterized by elastolysis and collagenolysis and thus a dramatic loss of structural integrity. Remarkably, exceeding matrix deterioration was associated with massively increased levels of granulocyte macrophage colony stimulating factor (GM-CSF).Conclusion: Our data suggest that the persistently increased secretion of the inflammatory mediator GM-CSF by resident inflammatory cells but also by SMC may be the trigger of aortic wall structural deterioration. © 2010 Weissen-Plenz et al; licensee BioMed Central Ltd.

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Weissen-Plenz, G., Sezer, Ö., Vahlhaus, C., Robenek, H., Hoffmeier, A., Tjan, T. D. T., … Sindermann, J. R. (2010). Aortic dissection associated with cogans’s syndrome: Deleterious loss of vascular structural integrity is associated with GM-CSF overstimulation in macrophages and smooth muscle cells. Journal of Cardiothoracic Surgery, 5(1). https://doi.org/10.1186/1749-8090-5-66

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