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Journal of critical care · Oct 2021
Deepening of sedation with propofol has limited effect on intra-abdominal pressure - An interventional study in mechanically ventilated adult patients with intra-abdominal hypertension.
- Martin Padar, Joel Starkopf, and Reintam BlaserAnnikaADepartment of Anaesthesiology and Intensive Care, University of Tartu, L. Puusepa 8, 51014 Tartu, Estonia; Department of Intensive Care Medicine, Lucerne Cantonal Hospital, 6000 Lucerne, Switzerland..
- Department of Anaesthesiology and Intensive Care, Tartu University Hospital, L. Puusepa 8, 51014 Tartu, Estonia; Department of Anaesthesiology and Intensive Care, University of Tartu, L. Puusepa 8, 51014 Tartu, Estonia. Electronic address: martin.padar@kliinikum.ee.
- J Crit Care. 2021 Oct 1; 65: 98-103.
PurposeTo evaluate the effect of deepening of sedation on intra-abdominal pressure (IAP).Methods37 adult mechanically ventilated ICU patients with intra-abdominal hypertension received a bolus dose and subsequent infusion of propofol (bolus: 1 mg/kg, infusion: 3 mg/kg/h). IAP, mean arterial pressure (MAP), abdominal perfusion pressure (APP), depth of sedation according to Richmond Agitation-Sedation Scale (RASS), respiratory parameters, and vasopressor dose were assessed after bolus and at 15, 30 and 60 min of infusion of propofol.ResultsMedian IAP at baseline was 15 (13-16) mm Hg. During the intervention, median IAP decreased by 1 mm Hg at all time points. In 24% of patients IAP decreased by ≥3 mm Hg. Compared to baseline, MAP and APP were reduced at all time points. Deepening of sedation per RASS was achieved in 70% of patients at all time points. No changes in respiratory tidal volumes nor plateau pressures were observed. Vasopressor therapy with noradrenaline was started or increased in 43% of patients, whereas the increase in patients already receiving noradrenaline prior to the intervention was not significant.ConclusionsDeepening of sedation with propofol results in a small decrease in IAP and greater simultaneous decrease in MAP and APP, requiring increased vasopressor support in some cases.Copyright © 2021 Elsevier Inc. All rights reserved.
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