title: [Chronic Debakey I aortic dissection in Marfan syndrome and hypertensive patients with modified stented elephant trunk surgery: a post-operative CT assessment].
abstract: OBJECTIVE
  To assess the outcome of stented elephant trunk surgery for chronic DebakeyIaortic dissection in Marfan syndrome and hypertension patients by CT.
  
  
  METHODS
  Between 2003 and 2008, 54 patients underwent the modified stented elephant trunk procedure and total arch replacement for chronic DebakeyIaortic dissection. Twenty-two patients were made a diagnosis of Marfan syndrome and the other 32 patients of hypertension. Aortic evolvement was evaluated with CT angiography by calculating the diameter ratios between the stent graft/true lumen and the aorta at the same level.
  
  
  RESULTS
  CT study one year after discharge showed no difference in the diameter ratios of the stent and aorta at the carina level between groups (0.84 +/- 0.16 vs 0.80 +/- 0.23, P = 0.472), but had significant difference before and after surgery (0.29 +/- 0.16 vs 0.72 +/- 0.21, P < or = 0.001). And significant difference occurred at the different periods after discharge (0.72 +/- 0.21 vs 0.81 +/- 0.20, 0.81 +/- 0.20 vs 0.77 +/- 0.20, P < or = 0.001). The residual false lumen in the proximal descending aorta reached complete thrombosis in 59% of Marfan and 78% of hypertension.
  
  
  CONCLUSIONS
  The modified stented elephant trunk technique is effective for closing the false lumen in the proximal descending aorta of chronic DebakeyIaortic dissection in Marfan syndrome and hypertension patients.
authors.affiliation: Department of Cardiovascular Surgery, Cardiovascular Institute & Fuwai Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100037, China.
authors.forename: Xin
authors.initials: X
authors.lastname: Zhao
authors.forename: Qian
authors.initials: Q
authors.lastname: Chang
authors.forename: Jun-ming
authors.initials: JM
authors.lastname: Zhu
authors.forename: Yong-min
authors.initials: YM
authors.lastname: Liu
authors.forename: Cun-tao
authors.initials: CT
authors.lastname: Yu
authors.forename: Hai-tao
authors.initials: HT
authors.lastname: Zhang
authors.forename: Jun
authors.initials: J
authors.lastname: Zheng
authors.forename: Bin
authors.initials: B
authors.lastname: Li
authors.forename: Li-zhong
authors.initials: LZ
authors.lastname: Sun
mesh_terms: D000328:Adult; D000784:Aortic Dissection / Q000000981:diagnostic imaging* / Q000601:surgery; D017545:Aortic Aneurysm, Thoracic / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000000981:diagnostic imaging* / Q000601:surgery; D008297:Male; D008382:Marfan Syndrome / Q000000981:diagnostic imaging* / Q000601:surgery; D008875:Middle Aged; D011184:Postoperative Period; D015607:Stents; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome