Loeys-Dietz syndrome (LDS) is a rare autosomal dominant disease related to genetic mutations in receptors for the cytokine transforming growth factor-receptor type 1 (TGFB-R1) or 2 gene (TGFB-R2) on the cell surface. LDS results in abnormal protein synthesis and dysfunctional connective tissue, which can result in unique cardiovascular anesthesia challenges related to perioperative management. Patients with LDS may manifest hypertelorism, bifid uvula or cleft palate, and arterial tortuosity. Virtually all LDS patients show some type of abnormal skin findings and bleeding tendency. These patients may show a rapid progression of aortic dilation, regurgitation, and a propensity towards rupture and/or dissection at a much earlier age and smaller aneurysm size. LDS patients who require surgical intervention require meticulous vigilance from the anesthesiologist. We describe a 26 year old patient with documented LDS type 1 who presented for repair of an ascending/root aneurysm in this case report. Recognition of LDS and intra-operative management of the cardiovascular manifestations of this disease is paramount in ensuring successful surgical outcome and to limit morbidity and mortality.
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