Diagnostic Criteria of Flow-Mediated Vasodilation for Normal Endothelial Function and Nitroglycerin-Induced Vasodilation for Normal Vascular Smooth Muscle Function of the Brachial Artery

Tatsuya Maruhashi, Masato Kajikawa, Shinji Kishimoto, Haruki Hashimoto, Yuji Takaeko, Takayuki Yamaji, Takahiro Harada, Yiming Han, Yoshiki Aibara, Farina Mohamad Yusoff, Takayuki Hidaka, Yasuki Kihara, Kazuaki Chayama, Ayumu Nakashima, Chikara Goto, Hirofumi Tomiyama, Bonpei Takase, Takahide Kohro, Toru Suzuki, Tomoko IshizuShinichiro Ueda, Tsutomu Yamazaki, Tomoo Furumoto, Kazuomi Kario, Teruo Inoue, Shinji Koba, Kentaro Watanabe, Yasuhiko Takemoto, Takuzo Hano, Masataka Sata, Yutaka Ishibashi, Koichi Node, Koji Maemura, Yusuke Ohya, Taiji Furukawa, Hiroshi Ito, Hisao Ikeda, Akira Yamashina, Yukihito Higashi

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Abstract

Background: Diagnostic criteria of flow-mediated vasodilation (FMD), an index of endothelial function, and nitroglycerin-induced vasodilation (NID), an index of vascular smooth muscle function, of the brachial artery have not been established. The purpose of this study was to propose diagnostic criteria of FMD and NID for normal endothelial function and normal vascular smooth muscle function. Methods and Results: We investigated the cutoff values of FMD and NID in subjects with (risk group) and those without cardiovascular risk factors or cardiovascular diseases (no-risk group) in 7277 Japanese subjects (mean age 51.4±10.8 years) from the Flow-Mediated Dilation Japan study and the Flow-Mediated Dilatation Japan Registry study for analysis of the cutoff value of FMD and in 1764 Japanese subjects (62.2±16.1 years) from the registry of Hiroshima University Hospital for analysis of the cutoff value of NID. Receiver-operator characteristic curve analysis of FMD to discriminate subjects in the no-risk group from patients in the risk group showed that the optimal cutoff value of FMD to diagnose subjects in the no-risk group was 7.1%. Receiver-operator characteristic curve analysis of NID to discriminate subjects in the no-risk group from patients in the risk group showed that the optimal cutoff value of NID to diagnose subjects in the no-risk group was 15.6%. Conclusions: We propose that the cutoff value for normal endothelial function assessed by FMD of the brachial artery is 7.1% and that the cutoff value for normal vascular smooth muscle function assessed by NID of the brachial artery is 15.6% in Japanese subjects. Clinical Trial Registration: www.umin.ac.jp Unique identifiers: UMIN000012950, UMIN000012951, UMIN000012952, and UMIN000003409.

Original languageEnglish
Article numbere013915
JournalJournal of the American Heart Association
Volume9
Issue number2
DOIs
Publication statusPublished - Jan 21 2020

Keywords

  • diagnostic criteria
  • endothelial function
  • flow-mediated vasodilation
  • nitroglycerin-induced vasodilation
  • vascular smooth muscle function

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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    Maruhashi, T., Kajikawa, M., Kishimoto, S., Hashimoto, H., Takaeko, Y., Yamaji, T., Harada, T., Han, Y., Aibara, Y., Mohamad Yusoff, F., Hidaka, T., Kihara, Y., Chayama, K., Nakashima, A., Goto, C., Tomiyama, H., Takase, B., Kohro, T., Suzuki, T., ... Higashi, Y. (2020). Diagnostic Criteria of Flow-Mediated Vasodilation for Normal Endothelial Function and Nitroglycerin-Induced Vasodilation for Normal Vascular Smooth Muscle Function of the Brachial Artery. Journal of the American Heart Association, 9(2), [e013915]. https://doi.org/10.1161/JAHA.119.013915