ArticleEuropean journal of applied physiology2019
Cuff inflation time significantly affects blood flow recorded with venous occlusion plethysmography.
Article in European journal of applied physiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed.
- Energy availability modulates regional blood flow via estrogen-independent pathways in regularly menstruating young women.European journal of applied physiology · 2024Article
- Beneficial Effects of Cocoa Flavanols on Microvascular Responses in Young Men May Be Dependent on Ethnicity and Lifestyle.Nutrients · 2024Article
- Endothelial Function in Pulmonary Arterial Hypertension: From Bench to Bedside.Journal of clinical medicine · 2024Review
- Plethysmographic assessment of vasomotor response in patients with congestive heart failure before and after heart transplantation.Biomedical optics express · 2024Article
- Skin Microhemodynamics and Mechanisms of Its Regulation in Type 2 Diabetes Mellitus.Biophysics · 2022Article
- Assessment and pathophysiology of microvascular disease: recent progress and clinical implications.European heart journal · 2021Article
- Prostaglandin contribution to postexercise hyperemia is dependent on tissue oxygenation during rhythmic and isometric contractions.Physiological reports · 2020Article
- Overview of the Assessment of Endothelial Function in Humans.Frontiers in medicine · 2020Review
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Authors and funding
3 authors.
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Abstract
purposeWe tested whether the values of limb blood flow calculated with strain-gauge venous occlusion plethysmography (VOP) differ when venous occlusion is achieved by automated, or manual inflation, so providing rapid and slower inflation, respectively.
methodIn 9 subjects (20-30 years), we calculated forearm blood flows (FBF) values at rest and following isometric handgrip at 70% maximum voluntary contraction (MVC) when rapid, or slower inflation was used.
resultRapid and slower cuff inflation took 0.23 ± 0.01 (mean ± SEM) and 0.92 ± 0.02 s, respectively, reflecting the range reported in published studies. At rest, FBF calculated from the 1st cardiac cycle after rapid and slower inflation gave similar values: 10.5 ± 1.4 vs. 9.6 ± 1.3 ml dl
conclusionThese findings confirm that the 1st cardiac cycle following venous occlusion should be used when calculating FBF using VOP and, but importantly, indicate that cuff inflation should be almost instantaneous; just ≥ 0.9 s leads to substantial underestimation, especially at high flows.
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