Nitric Oxide and Reactive Hyperemia: Role of Location and Duration of Ischemia
Author(s) -
Ulrike Raff,
ClausEric Ott,
Stefan John,
Bernhard M.W. Schmidt,
Erwin H. Fleischmann,
R. Schmieder
Publication year - 2010
Publication title -
american journal of hypertension
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 136
eISSN - 1941-7225
pISSN - 0895-7061
DOI - 10.1038/ajh.2010.72
Subject(s) - medicine , ischemia , reactive hyperemia , anesthesia , saline , forearm , blood pressure , blood flow , surgery
Ischemia-induced reactive hyperemia (RH) is mediated by various factors including release of nitric oxide (NO). The contribution of NO to RH equals the extent of L-NMMA-dependent reduction of forearm blood flow (FBF). Because the optimal duration and location of ischemia that provokes maximum NO activation is unknown, we analyzed which duration and location stimulates most NO release, aiming at developing a noninvasive tool to measure endothelial integrity by NO synthase activity in humans.
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