{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T05:14:16Z","timestamp":1773033256744,"version":"3.50.1"},"reference-count":32,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2017,8,3]],"date-time":"2017-08-03T00:00:00Z","timestamp":1501718400000},"content-version":"vor","delay-in-days":2,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microcirculation"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>We examined the effects of systemic ETX on jejunal mucoal microcirculatory parameters in anesthetized pigs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Jejunal mucosal tissue <jats:styled-content style=\"fixed-case\">PO<\/jats:styled-content><jats:sub>2<\/jats:sub> was measured employing Clark\u2010type surface oxygen electrodes. Oxygen saturation of jejunal microvascular hemoglobin was determined by tissue reflectance spectrophotometry. Jejunal microcirculatory blood flow was assessed by laser Doppler flowmetry. Microvascular conductance and rhythmical oscillation of the tissue <jats:styled-content style=\"fixed-case\">PO<\/jats:styled-content><jats:sub>2<\/jats:sub> were calculated. Systemic hemodynamic variables, mesenteric venous and systemic acid base and blood gas variables, and lactate measurements were recorded. Measurements were taken at BL and after <jats:italic>Escherichia coli<\/jats:italic> LPS administration in 20\u00a0minutes intervals for 110\u00a0minutes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>ETX infusion led to a significant (<jats:italic>P<\/jats:italic>&lt;.05) decrease of <jats:styled-content style=\"fixed-case\">PO<\/jats:styled-content><jats:sub>2<\/jats:sub>muc (from 24\u00b14 to 8\u00b14\u00a0mm\u00a0Hg) and microvascular HbO<jats:sub>2<\/jats:sub> (from 41\u00b113 to 24\u00b112%). Microcirculatory conductivity increased in ETX animals, microvascular blood flow remained unchanged (<jats:styled-content style=\"fixed-case\">PU<\/jats:styled-content>; from 228\u00b145 to 232\u00b158). ETX induced an increase in oscillation frequency of mucosal tissue oxygenation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Endotoxinemia resulted in a significant depression of mucosal tissue oxygenation despite a constant microcirculatory blood flow. This impairment of tissue oxygenation resulted in an increase in the vasomotion pattern in a futile attempt to counteract the undersupply of oxygen to the jejunal tissue.<\/jats:p><\/jats:sec>","DOI":"10.1111\/micc.12379","type":"journal-article","created":{"date-parts":[[2017,5,6]],"date-time":"2017-05-06T09:04:40Z","timestamp":1494061480000},"source":"Crossref","is-referenced-by-count":9,"title":["The impact of endotoxin on jejunal tissue oxygenation"],"prefix":"10.1111","volume":"24","author":[{"given":"Werner","family":"Pajk","sequence":"first","affiliation":[{"name":"Department of Anesthesiology and Critical Care Medicine Innsbruck Medical University  Innsbruck Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karl\u2010Heinz","family":"Stadlbauer","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology and Critical Care Medicine Innsbruck Medical University  Innsbruck 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