• ISSN 1674-8301
  • CN 32-1810/R
Volume 30 Issue 5
Sep.  2016
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Fuhua Huang, Liangpeng Li, Wei Qin, Cunhua Su, Liming Wang, Liqiong Xiao, Xin Chen. Partial aortic root remodeling for root reconstruction in patients with acute type A dissection[J]. The Journal of Biomedical Research, 2016, 30(5): 411-418. doi: 10.7555/JBR.30.20150097
Citation: Fuhua Huang, Liangpeng Li, Wei Qin, Cunhua Su, Liming Wang, Liqiong Xiao, Xin Chen. Partial aortic root remodeling for root reconstruction in patients with acute type A dissection[J]. The Journal of Biomedical Research, 2016, 30(5): 411-418. doi: 10.7555/JBR.30.20150097

Partial aortic root remodeling for root reconstruction in patients with acute type A dissection

doi: 10.7555/JBR.30.20150097
  • Received: 2015-07-19
  • Revised: 2015-10-05
  • Issue Date: 2016-09-28
  • In the present study, we reported our experience with partial aortic root remodeling for root reconstruction in patients with acute type A dissection, which involves in non-coronary sinus and/or the right coronary sinus with just one trimmed Dacron graft. Between February 2001 and May 2010, we performed partial aortic root remode-ling in 40 patients, who underwent emergency surgical intervention. The dissected sinuses were excised leaving a 3-5 mm rim of the aortic wall from the attached aortic valve cusps. A short piece (4-5 cm) of collagen coated woven polyester vascular prosthesis was trimmed with one or two "tongues" to reconstruct the non-coronary sinus and/ or the right coronary sinus, but without using separated patches. Additional procedures were including hemi-arch replacement in 11 patients, and total arch replacement plus stent-elephant trunk in 20 patients. The mean follow-up time was 36.4±3.6 months. In-hospital mortality was only 5.0% (2/40); furthermore, 3 (8.6%) patients underwent re-operation of the aortic valve and 2 (5.7%) patients died during follow-up. At the end of follow-up, trivial or no aortic regurgitation was found in 33 patients, but mild aortic regurgitation was found in 2 patients. Our data suggest that the early and mid-term results of partial aortic root remodeling were favorable, and it restored valve durability and function. Thus, the use of technique for root reconstruction in patients with acute type A dissection should be vigorously encouraged.

     

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