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Updated: Nov 14, 2025
04:01
Author Spotlight: Advanced Integrated Model for Sepsis-Induced Myopathy and Single-Cell Metabolic Analysis
Published on: June 14, 2024
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Sepsis-induced myocardial dysfunction: the role of mitochondrial dysfunction
1Department of Gastroenterology, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Wu Hou District, Chengdu, 610041, China.
Summary
Sepsis-induced myocardial dysfunction (SIMD) involves heart muscle problems during sepsis. This review explores mitochondrial dysfunction, immune imbalance, and mitophagy as key factors in SIMD.
Area of Science:
- Cardiology
- Pathophysiology
- Mitochondrial Biology
Background:
- Sepsis-induced myocardial dysfunction (SIMD) is characterized by systolic and diastolic heart dysfunction during sepsis.
- SIMD is linked to adverse clinical outcomes and increased mortality rates.
- Understanding SIMD mechanisms is crucial for improving patient prognosis.
Purpose of the Study:
- To review the role of mitochondrial dysfunction in SIMD.
- To explore other mitochondria-related mechanisms contributing to SIMD.
- To consolidate current knowledge on SIMD pathophysiology.
Main Methods:
- Literature review focusing on mitochondrial dysfunction in sepsis.
- Analysis of studies investigating immune imbalance, energetic reprogramming, mitophagy, and pyroptosis in SIMD.
- Synthesis of findings on the interplay of these mechanisms.
Main Results:
- Mitochondrial dysfunction is a central mechanism in SIMD.
- Abnormal immune responses, metabolic shifts, and impaired mitophagy contribute to myocardial injury.
- Reactive oxygen species (ROS) and calcium dysregulation are implicated in SIMD pathogenesis.
Conclusions:
- Mitochondrial dysfunction and related pathways are key drivers of SIMD.
- Mitophagy may play a protective role in myocardial cells during sepsis, particularly in survivors.
- Further research into these mechanisms can guide therapeutic strategies for SIMD.
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