期刊
EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY
卷 35, 期 5, 页码 580-584出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.ejvs.2007.12.004
关键词
abdominal aortic aneurysm; matrix metalloproteinase; rupture
Background. The role of matrix metalloproteinases (MMPs) in abdominal aortic aneurysm (AAA) formation is well established. However the changes in plasma MMP levels with AAA rupture have not been reported. The aim of this study was to determine circulating levels of MMPs in non-ruptured and ruptured AAA immediately prior to open repair. Methods. Concentrations of MMPs and their endogenous tissue inhibitors (TIMPs) were quantified using ELISA in pre-operative plasma samples from non-ruptured and ruptured AAA. Results. MMP1 and MMP9 were elevated in the plasma of ruptured AAA versus non-ruptured AAA. A four-fold elevation in pre-operative plasma MMP9 was associated with non-survival at 30 days from rupture surgery compared with those surviving for greater than 30 days. Conclusion. In conclusion, these findings support the role of MMPs in AAA pathogenesis. Elevation of MMP9 was associated with ruptured aneurysm related 30-day mortality and may represent a survival indicator in this group. (C) 2007 European Society for Vascular Surgery. Published by Elsevier Ltd. All rights reserved.
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