Adult surgical experience with loeys-dietz syndrome
© 2015 The Society of Thoracic Surgeons. Background Loeys-Dietz syndrome (LDS) results from mutations in receptors for the cytokine transforming growth factor-β leading to aggressive aortic pathology sometimes accompanied by specific phenotypic features including bifid uvula, hypertelorism, cleft palate, and generalized arterial tortuosity. We reviewed our adult surgical experience with LDS in order to validate current recommendations regarding management of this newly described disease. Methods All adult (≥ 18 years old) patients with LDS undergoing surgical treatment at a single referral institution from September 1999 to May 2013 were retrospectively reviewed. Results Eleven adult LDS patients were identified by clinical criteria and genotyping. Seven (64%) experienced acute type A dissection at some point in their lives. All eventually required aortic root replacement, and 73% required multiple vascular surgical interventions. Over a mean follow-up of 65 ± 49 months, 2.8 cardiovascular procedures per patient were performed. In patients with type A dissection, a mean of 3.4 operations were performed versus 1.8 operations for patients without dissection. Total aortic replacement was required in 5 patients (45%) and 2 (18%) required neurosurgical intervention for cerebrovascular pathology. There was 1 late death from infectious complications, and no deaths from vascular catastrophe. Conclusions These results confirm the aggressive nature of LDS aortic pathology. However, the improved survival compared with earlier LDS reports suggest that aggressive treatment strategies may alter outcomes and improve the natural history of this syndrome.
Williams, JA; Hanna, JM; Shah, AA; Andersen, ND; McDonald, MT; Jiang, YH; Wechsler, SB; Zomorodi, A; McCann, RL; Hughes, GC
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