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Cutaneous microcirculation in patients with peripheral arterial occlusive disease: Comparison of capillary blood circulation in the nail fold of finger and toe

  • In patients with peripheral arterial occlusive disease (PAOD) a restricted circulation in cutaneous microvessels has been reported. In this study the velocity of erythrocytes (very) in finger nailfold capillaries - a vascular area without upstream macroangiopathy - and also in toe nailfold capillaries - a post-stenotic area –was investigated using capillary microscopy in apparently healthy subjects and patients with PAOD. Already in finger nailfold capillaries very of patients with PAOD under resting conditions was significantly lower than in capillaries of healthy subjects. This was also true for the circulation in toe capillaries. In addition, the erythrocyte velocities under resting conditions in the toe capillaries were significantly lower than in the finger capillaries. Similar results were found for the duration and the maximum velocity of postocclusive hyperemia. It is concluded that the resting blood flow in the skin microcirculation is impaired in PAOD patients, both under resting conditions and during postocclusive hyperemiaIn patients with peripheral arterial occlusive disease (PAOD) a restricted circulation in cutaneous microvessels has been reported. In this study the velocity of erythrocytes (very) in finger nailfold capillaries - a vascular area without upstream macroangiopathy - and also in toe nailfold capillaries - a post-stenotic area –was investigated using capillary microscopy in apparently healthy subjects and patients with PAOD. Already in finger nailfold capillaries very of patients with PAOD under resting conditions was significantly lower than in capillaries of healthy subjects. This was also true for the circulation in toe capillaries. In addition, the erythrocyte velocities under resting conditions in the toe capillaries were significantly lower than in the finger capillaries. Similar results were found for the duration and the maximum velocity of postocclusive hyperemia. It is concluded that the resting blood flow in the skin microcirculation is impaired in PAOD patients, both under resting conditions and during postocclusive hyperemia in finger as well in toe nailfold capillaries.show moreshow less

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Author: Christof Mrowietz, H. Sievers, Gerhard Pindur, Bernhard Hiebl, Friedrich Jung
URL:https://content.iospress.com/articles/clinical-hemorheology-and-microcirculation/ch209220
DOI:https://doi.org/10.3233/CH-209220
ISSN:1875-8622
ISSN:1386-0291
Title of the source (English):Clinical Hemorheology and Microcirculation
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2020
Tag:Microcirculation; capillary microscopy; peripheral arterial occlusive disease
Volume/Year:76
Issue number:2
First Page:279
Last Page:285
Faculty/Chair:Fakultät 2 Umwelt und Naturwissenschaften / FG Molekulare Zellbiologie
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