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Effects of levosimendan on right ventricular afterload in patients with acute respiratory distress syndrome: a pilot study.

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TLDR
Evidence is provided that levosimendan improves right ventricular performance through pulmonary vasodilator effects in septic patients with ARDS and is able to improve the overall prognosis of patients with sepsis and ARDS.
Abstract
OBJECTIVE: Acute respiratory distress syndrome (ARDS) is frequently associated with increased pulmonary vascular resistance and thus with systolic load of the right ventricle. We hypothesized that levosimendan, a new calcium sensitizer with potential pulmonary vasodilator properties, improves hemodynamics by unloading the right ventricle in patients with ARDS. DESIGN: Prospective, randomized, placebo-controlled, pilot study. SETTING: Twenty-two-bed multidisciplinary intensive care unit of a university hospital. PATIENTS: Thirty-five patients with ARDS in association with septic shock. INTERVENTIONS: Patients were randomly allocated to receive a 24-hr infusion of either levosimendan 0.2 microg/kg/min (n = 18) or placebo (n = 17). Data from right heart catheterization, cardiac magnetic resonance, arterial and mixed venous oxygen tensions and saturations, and carbon dioxide tensions were obtained before and 24 hrs after drug infusion. MEASUREMENTS AND MAIN RESULTS: At a mean arterial pressure between 70 and 80 mm Hg (sustained with norepinephrine infusion), levosimendan increased cardiac index (from 3.8 +/- 1.1 to 4.2 +/- 1.0 L/min/m) and decreased mean pulmonary artery pressure (from 29 +/- 3 to 25 +/- 3 mm Hg) and pulmonary vascular resistance index (from 290 +/- 77 to 213 +/- 50 dynes/s/cm(5)/m(2); each p < .05). Levosimendan also decreased right ventricular end-systolic volume and increased right ventricular ejection fraction (p < .05). In addition, levosimendan increased mixed venous oxygen saturation (from 63 +/- 8 to 70 +/- 8%; p < .01). CONCLUSIONS: This study provides evidence that levosimendan improves right ventricular performance through pulmonary vasodilator effects in septic patients with ARDS. A large multiple-center trial is needed to investigate whether levosimendan is able to improve the overall prognosis of patients with sepsis and ARDS. (Less)

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Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock: 2016

Andrew Rhodes, +58 more
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Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock: 2016.

Andrew Rhodes, +58 more
TL;DR: A consensus committee of 55 international experts representing 25 international organizations was assembled at key international meetings (forSurviving Sepsis Campaign Guidelines for Management of Sepsis and Septic Shock: 2012 as discussed by the authors ).
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References
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Journal ArticleDOI

Definitions for Sepsis and Organ Failure and Guidelines for the Use of Innovative Therapies in Sepsis

TL;DR: An American College of Chest Physicians/Society of Critical Care Medicine Consensus Conference was held in Northbrook in August 1991 with the goal of agreeing on a set of definitions that could be applied to patients with sepsis and its sequelae as mentioned in this paper.
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Early Goal-Directed Therapy in the Treatment of Severe Sepsis and Septic Shock

TL;DR: This study randomly assigned patients who arrived at an urban emergency department with severe sepsis or septic shock to receive either six hours of early goal-directed therapy or standard therapy (as a control) before admission to the intensive care unit.
Journal ArticleDOI

The American-European Consensus Conference on ARDS: Definitions, mechanisms, relevant outcomes, and clinical trial coordination

TL;DR: The acute respiratory distress syndrome (ARDS), a process of nonhydrostatic pulmonary edema and hypoxemia associated with a variety of etiologies, carries a high morbidity, mortality, and financial cost.
Journal ArticleDOI

The acute respiratory distress syndrome

TL;DR: An overview of the definitions, clinical features, and epidemiology of the acute respiratory distress syndrome is provided and advances in the areas of pathogenesis, resolution, and treatment are discussed.
Journal ArticleDOI

Inhaled Nitric Oxide for the Adult Respiratory Distress Syndrome

TL;DR: Inhalation of nitric oxide by patients with severe adult respiratory distress syndrome reduces the pulmonary-artery pressure and increases arterial oxygenation by improving the matching of ventilation with perfusion, without producing systemic vasodilation.
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