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. Author manuscript; available in PMC: 2017 Jul 4.
Published in final edited form as: Eur J Vasc Endovasc Surg. 2017 Apr 14;53(6):820–829. doi: 10.1016/j.ejvs.2017.03.001

Figure 5.

Figure 5

Low flow mediated constriction and the progression of abdominal aortic aneurysm (AAA). The low flow mediated constriction (FMC) response of brachial artery at the same time points was investigated, as an extension to the FMD protocol. We hypothesised that the significant changes in FMD observed were driven by the derangement in vasoconstrictive tone in these patients, thereby masking the otherwise normal FMD response. However, there was no correlation between (A) FMC and AAA size or (B) future growth rate of AAA. (C) FMC did not change during the natural history of AAA progression (Wilcoxon matched pairs signed rank test [WMPST] p = .8), and (D) is unaffected by AAA surgery (WMPST p = .8).