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Effects of differen...
Effects of different mean arterial pressure targets on plasma volume, ANP and glycocalyx-A randomized trial.
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- Damén, Tor (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för anestesiologi och intensivvård,Institute of Clinical Sciences, Department of Anesthesiology and Intensive care,Sahlgrenska University Hospital,Sahlgrenska Academy
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- Saadati, Sofia, 1992 (författare)
- Gothenburg University,Göteborgs universitet,Sahlgrenska Centrum för Cancerforskning (SCCR),Institutionen för kliniska vetenskaper, Avdelningen för medicinsk strålningsvetenskap,Sahlgrenska Center for Cancer Research (SCCR),Institute of Clinical Sciences, Department of Medical Radiation Sciences,Sahlgrenska Academy
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- Forssell-Aronsson, Eva, 1961 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för medicinsk strålningsvetenskap,Sahlgrenska Centrum för Cancerforskning (SCCR),Institute of Clinical Sciences, Department of Medical Radiation Sciences,Sahlgrenska Center for Cancer Research (SCCR),Sahlgrenska University Hospital,Sahlgrenska Academy
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- Hesse, Camilla (författare)
- University of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för laboratoriemedicin,Department of Laboratory Medicine
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- Bentzer, Peter (författare)
- Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Ricksten, Sven-Erik, 1953 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för anestesiologi och intensivvård,Institute of Clinical Sciences, Department of Anesthesiology and Intensive care,Sahlgrenska Academy,Sahlgrenska University Hospital
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- Nygren, Andreas, 1967 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för anestesiologi och intensivvård,Institute of Clinical Sciences, Department of Anesthesiology and Intensive care,Sahlgrenska Academy,Sahlgrenska University Hospital
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(creator_code:org_t)
- 2020-10-05
- 2021
- Engelska.
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Ingår i: Acta anaesthesiologica Scandinavica. - : Wiley. - 1399-6576 .- 0001-5172. ; 65:2, s. 220-227
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Abstract
Ämnesord
Stäng
- Arterial haematocrit (Hct) has been shown to decrease after anaesthesia induction, most probably because of an increased plasma volume (PV). The primary objective was to quantify change in PV if mean arterial pressure (MAP) was kept at baseline level or allowed to decrease to 60mm Hg. Our secondary objective was to evaluate underlying mechanisms of this response.Twenty-four coronary artery bypass patients were randomized to a higher (90mm Hg, intervention group) or lower (60mm Hg, control group) MAP by titration of norepinephrine. During the experimental procedure, no fluids were administered. Baseline PV was measured by 125 I-albumin and the change in PV was calculated from the change in Hct. Changes in MAP, plasma 125 I-albumin, colloid osmotic pressure, albumin, Mid Regional-pro Atrial Natriuretic Peptide (MR-proANP) and endothelial glycocalyx components were measured from baseline to 50minutes after anaesthesia induction.The MAP during the trial was 93±9mm Hg in the intervention group and 62±5mm Hg in the control group. PV increased with up to 420±180mL in the control group and 45±130mL in the intervention group (P<.001). Albumin and colloid osmotic pressure decreased significantly more in the control group. MR-proANP increased in the control group but no shedding of the glycocalyx layer was detected in either of the groups.Allowing mean arterial pressure to fall to 60mm Hg during anaesthesia induction, increases the plasma volume due to reabsorption of interstitial water, with no ANP-induced degradation of the endothelial glycocalyx.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Anestesi och intensivvård (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Anesthesiology and Intensive Care (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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