Related Experiment Videos
[Central hemodynamics and left ventricle contractility in experimental septicemia]
Fortschritte Der Medizin
|July 7, 1977
Summary
This study in dogs reveals that septicaemia (blood infection) causes consistent hemodynamic changes and myocardial contractility disturbances, regardless of bacterial type. Endotoxin presence correlates with low-cardiac-output shock and reduced heart function.
Area of Science:
- Veterinary Medicine
- Cardiovascular Physiology
- Infectious Diseases
Context:
- Septicaemia in dogs, induced by abscesses or peritonitis, presents complex physiological challenges.
- Bacterial identification included Staphylococcus aureus and Pseudomonas aeruginosa.
- Hemodynamic monitoring revealed consistent temporal patterns during infection.
Purpose:
- To investigate the hemodynamic and myocardial alterations in dogs experiencing induced septicaemia.
- To establish correlations between infection progression, endotoxin presence, and cardiovascular dysfunction.
- To explore potential causes of negative inotropic effects during septic shock.
Summary:
- Induced septicaemia in dogs resulted in three distinct hemodynamic intervals.
- A correlation was observed between the general infection and circulatory responses.
- Endotoxin presence was linked to low-cardiac-output shock syndrome and myocardial contractility impairment.
Impact:
- Findings elucidate the cardiovascular pathophysiology of canine septicaemia.
- Highlights the role of endotoxins in septic shock and myocardial dysfunction.
- Provides insights into potential therapeutic targets for septic shock management in veterinary medicine.