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Midterm Results of David Reimplantation in Patients With Connective Tissue Disorder

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source: Annals of Thoracic Surgery

year: 2013

authors: Svensson LG, Blackstone EH, Alsalihi M, Batizy LH, Roselli EE, McCullough R, Vivacqua A, Moran RT, Gillinov AM, Thamilarasan M, Griffin B, Hammer DF, Stewart WJ, Sabik JF 3rd, Lytle BW


Few series have examined follow-up risks of the David reimplantation operation in patients with connective tissue disorder. Hence, we assessed its midterm safety and effectiveness for Marfan syndrome and other connective tissue disorders, such as Ehlers-Danlos, Loeys-Dietz, and marfanoid syndromes.
Of 313 patients who underwent modified David reimplantation, 178 identified as having connective tissue disorders underwent operation from January 1, 1991, to December 31, 2010. These disorders included Marfan (84%), marfanoid (8.4%), Loeys-Dietz (5.6%), Ehlers-Danlos (1.1%), and other syndromes (1.1%). Concomitant procedures included mitral valve repair in 7.3% and an atrial fibrillation procedure in 3.4%.
There were no operative or 30-day deaths. Complications included prolonged ventilation (3%), renal failure (3%), reoperation for bleeding (2.2%), and permanent stroke (0.56%). Eight-year survival was 94% and freedom from aortic valve reoperation at 6 years was 92%. Of the 7 aortic valve reoperations, 3 were attributable to endocarditis and 3 to technical failure. One reoperation was performed at another hospital, and the reason could not be determined. There were no late strokes or hemorrhagic events. At 4 years, approximately 70% of patients had no aortic valve regurgitation, and 18% were in grade 1+.
Prophylactic root and valve preservation using David reimplantation is safe and provides excellent midterm effectiveness and low risk of late events except for endocarditis.

organization: Marfan Syndrome and Connective Tissue Disorder Clinic, Cleveland

DOI: 10.1016/j.athoracsur.2012.08.043

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