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[The heart in infection and MODS (multiple organ dysfunction syndrome)]
U Müller-Werdan1, R Prondzinsky, R Witthaut
1Lehrstuhl für Kardiologische Intensivmedizin an der Klinik, Martin-Luther-Universität Halle-Wittenberg, Halle/Saale, Bundesrepublik Deutschland.
Wiener Klinische Wochenschrift
|January 1, 1997
Summary
Sepsis and SIRS can cause acute septic cardiomyopathy, a serious heart dysfunction often leading to fatal heart failure. This condition, characterized by pump failure and enlarged ventricles, is potentially reversible with targeted treatments.
Area of Science:
- Cardiology
- Critical Care Medicine
- Pathophysiology
Context:
- Heart dysfunction is a key component of multiple organ dysfunction syndrome (MODS) in sepsis and systemic inflammatory response syndrome (SIRS).
- Acute septic cardiomyopathy is frequently underestimated, contributing significantly to sepsis-related mortality.
- This condition shares similarities with SIRS-cardiomyopathy in non-infectious MODS.
Purpose:
- To highlight the underappreciated role and characteristics of acute septic cardiomyopathy.
- To elucidate the multifactorial pathogenesis of heart disease in sepsis and SIRS.
- To discuss current therapeutic strategies and the need for causal treatment principles.
Summary:
- Acute septic cardiomyopathy presents as significant pump failure with enlarged ventricles, not primarily ischemic, and can be worsened by pulmonary hypertension.
- The endotoxin/TNF-alpha/NO/cGMP cascade is identified as a major negative inotropic pathway in sepsis-induced heart dysfunction.
- Current management is largely symptomatic, but research is exploring causal therapeutic approaches within comprehensive sepsis treatment.
Impact:
- Emphasizes the critical relevance of cardiac dysfunction in sepsis and SIRS, potentially reducing mortality.
- Provides insights into the mechanisms of septic cardiomyopathy, guiding future research and therapeutic development.
- Underscores the need for a shift from symptomatic to causal treatments for improved patient outcomes in critical care settings.