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A pilot study with flow mediated skin fluorescence: A novel device to assess microvascular endothelial function in coronary artery disease
Abstrakt
Background: Endothelial dysfunction is one of the earliest vascular manifestations in the pathogenesis of cardiovascular disease. Noninvasive, simple and inexpensive methods of endothelial function assessment are therefore needed. Methods: Microvascular endothelial function was assessed in coronary artery disease (CAD) patients by flow mediated skin fluorescence (FMSF), based on measurements of NADH fluorescence intensity during brachial artery occlusion (ischemic response [IRmax]) and immediately after occlusion (hyperemic response [HRmax]). Additionally, plasma levels of asymmetric dimethylarginine (ADMA) and endothelin-1 (ET-1) were measured to assess the association between biochemical markers and microvascular function evaluated in vivo by FMSF. Results: A significant inverse correlation was found between ADMA levels and hyperemic response (r = –0.534, p = 0.003), while ET-1 levels were inversely related to the ischemic response (r= –0.575, p = 0.001). Both IR and HR were found lowest in patients with advanced CAD and diabetes. When the repeatability of the method was tested, the intraclass correlation coefficient for IRmax and HRmax were 0.985 (p < 0.001) and 0.914 (p < 0.001), respectively. Moreover, in Bland and Altman analysis, both variables IRmax and HRmax showed good agreement in repeated measurements. Conclusions: In this pilot study, it was demonstrated that NADH fluorescence measured by FMSF device in CAD patients was associated with established plasma endothelial markers, and that both ischemic and hyperemic response were blunted in patients with advanced disease and diabetes. Furthermore, FMSF device showed excellent repeatability and good agreement for repeated measurements. However, further study is warranted to confirm these results in a larger patient cohort.
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Autorzy (5)
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Maria Tarnawska
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Karolina Dorniak
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Marcin Hellmann
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- Wersja publikacji
- Accepted albo Published Version
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.5603/CJ.a2017.0096
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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Cardiology Journal
nr 25,
strony 120 - 127,
ISSN: 1897-5593 - Język:
- angielski
- Rok wydania:
- 2018
- Opis bibliograficzny:
- Tarnawska M., Dorniak K., Kaszubowski M. F., Dudziak M., Hellmann M.: A pilot study with flow mediated skin fluorescence: A novel device to assess microvascular endothelial function in coronary artery disease// Cardiology Journal. -Vol. 25, iss. 1 (2018), s.120-127
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.5603/cj.a2017.0096
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 114 razy
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