Septic cardiomyopathy: pathophysiology and potential new therapeutic approaches

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  • Suzuki Tokiko
    Department of Molecular and Medical Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
  • Sakai Mari
    Department of Molecular and Medical Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
  • Yamashita Shigeyuki
    Department of Molecular and Medical Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
  • Tomita Kengo
    Department of Molecular and Medical Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
  • Hattori Yuichi
    Department of Molecular and Medical Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama

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  • 敗血症性心筋症の病態形成機構の解明と新たな治療への応用
  • ハイケツショウセイ シンキンショウ ノ ビョウタイ ケイセイ キコウ ノ カイメイ ト アラタ ナ チリョウ エ ノ オウヨウ

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Abstract

<p>Sepsis is the leading cause of death in critically ill patients, and its incidence continues to rise. Sepsis was defined as a systemic inflammatory response syndrome with an identifiable focus of infection, but therapeutic strategies aimed at eliminating the inflammatory response have only modest clinical benefit. The development of a failure of one or more organs poses a major threat to the survival of patients with sepsis, and mortality in sepsis is most often attributed to multiple organ dysfunction. Accordingly, sepsis has been recently redefined as life-threatening organ dysfunction due to a dysregulated host response to infection. Cardiac dysfunction is a well-recognized important component of septic multiple organ failure and can compromise the balance between oxygen supply and demand, ultimately leading to the development of multiple organ failure. The existence of cardiac dysfunction in sepsis is associated with much higher mortality when compared with septic patients without heart problems. Dobutamine, a β1-selective adrenoceptor agonist, has been used in septic shock for many years as an only inotrope, but limited clinical outcome measures have been provided as to advisability of the usefulness of dobutamine in septic shock management. Here we provide an overview on the possible mechanisms underlying intrinsic myocardial depression during sepsis and discuss the perspective of several inotropes for sepsis-associated cardiac dysfunction.</p>

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