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Design of Cecal Ligation and Puncture and Intranasal Infection Dual Model of Sepsis-Induced Immunosuppression
Published on: June 15, 2019
Sepsis and the heart
1Macclesfield District General Hospital, Victoria Road, Macclesfield SK10 3BL, UK. jdhunter@talk21.com
British Journal of Anaesthesia
|November 27, 2009
Summary
Septic shock causes severe heart muscle dysfunction, impacting both ventricles and reducing pumping efficiency. This review explores the causes, detection using troponin, and management strategies like levosimendan for septic cardiomyopathy.
Area of Science:
- Critical Care Medicine
- Cardiology
- Immunology
Background:
- Septic shock, a severe sepsis complication, affects 10% of ICU admissions.
- Pathophysiology involves immune stimulation, inflammation, and microvascular dysfunction.
- Cardiovascular dysfunction includes hypovolemic, cytotoxic, and distributive shock elements.
Purpose of the Study:
- To detail myocardial dysfunction in adult septic shock.
- To discuss the underlying pathophysiology of septic cardiomyopathy.
- To consider troponin's utility in detecting myocardial dysfunction.
- To review management options for sepsis-induced left ventricular hypokinesia.
Main Methods:
- Review of existing literature on septic shock and myocardial dysfunction.
- Analysis of cardiovascular and myocardial changes in septic shock.
- Evaluation of diagnostic markers like troponin.
- Discussion of therapeutic interventions, including levosimendan.
Main Results:
- Septic shock commonly causes significant myocardial depression (septic cardiomyopathy).
- This is characterized by biventricular contractility impairment.
- Left ventricular ejection fraction and stroke work index are reduced.
Conclusions:
- Septic cardiomyopathy is a key feature of septic shock, involving biventricular dysfunction.
- Understanding pathophysiology is crucial for effective management.
- Troponin may aid in detection, and levosimendan is a potential therapeutic option.
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