Department of Medicine, Vanderbilt University Medical Center, Nashville, Tenn.
Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tenn.
J Allergy Clin Immunol. 2018 Nov;142(5):1636-1639.e5. doi: 10.1016/j.jaci.2018.06.037. Epub 2018 Jul 21.
Bradykinin concentrations and the ratio of bradykinin to its stable metabolite BK1–5 (RPPGF) were significantly increased in patients presenting with angiotensin-converting enzyme (ACE) inhibitor-associated angioedema compared to ACE inhibitor-treated controls. Cleavage of high molecular weight kininogen was not increased in patients with ACE inhibitor-associated angioedema, indicating that increased bradykinin concentrations result from decreased degradation.
与接受血管紧张素转换酶(ACE)抑制剂治疗的对照组相比,出现 ACE 抑制剂相关性血管性水肿的患者体内缓激肽浓度及其稳定代谢产物 BK1–5(RPPGF)的比值显著升高。ACE 抑制剂相关性血管性水肿患者的高分子量激肽原裂解并未增加,表明缓激肽浓度升高是由于降解减少所致。