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[Experimental peritonitis: sequential bacteriologic study of the lymph and blood]
Revista Espanola De Las Enfermedades Del Aparato Digestivo
|December 1, 1989
Summary
In dogs with fecal peritonitis, bacteria rapidly spread through the lymphatic system and into the bloodstream. This lymphatic dissemination of gut microbes persisted for 12 hours, highlighting the thoracic duct's role in bacterial spread.
Area of Science:
- Veterinary Medicine
- Microbiology
- Surgical Pathology
Context:
- Fecal peritonitis is a severe intra-abdominal infection.
- Understanding bacterial dissemination routes is crucial for effective treatment.
- The thoracic duct plays a significant role in lymphatic circulation.
Purpose:
- To investigate the routes of bacterial dissemination in canine fecal peritonitis.
- To analyze the sequential appearance and types of bacteria in lymph and blood.
- To determine the duration of bacterial lymphatic drainage.
Summary:
- In dogs experimentally induced with fecal peritonitis, thoracic duct cannulation revealed rapid bacterial entry into lymph, followed by the bloodstream.
- A progressive increase in bacterial species was observed in lymph and blood samples over 12 hours.
- Isolated microbes, including numerous anaerobic species, reflected the intestinal flora of the cecal origin, confirming lymphatic transport.
Impact:
- This study elucidates the critical role of the lymphatic system, specifically the thoracic duct, in the systemic spread of peritonitis-causing bacteria.
- Findings provide insights into the pathophysiology of intra-abdominal infections and potential targets for therapeutic intervention.
- Highlights the importance of considering anaerobic bacteria in peritonitis cases.