[Pyothorax in nine dogs].

Area of Science:

• Veterinary Medicine
• Canine Surgery
• Infectious Diseases

Background:

• Pyothorax is a serious condition in dogs.
• Previous treatments involving antibiotics and drainage showed variable success rates.
• The role of foreign bodies like grass awns in canine pyothorax pathogenesis is debated.

Purpose of the Study:

• To evaluate the efficacy of systemic antibiotics combined with pleural drainage and lavage for treating canine pyothorax.
• To compare the outcomes of this combined treatment with historical data lacking pleural lavage.
• To investigate potential etiological factors, such as grass awns, in canine pyothorax within the Netherlands.

Main Methods:

• Nine dogs diagnosed with pyothorax were enrolled.
• Treatment involved administration of systemic antibiotics.
• Surgical procedures included drainage and lavage of the pleural space.

Main Results:

• All nine dogs (100%) achieved complete clinical recovery.
• Follow-up for eight dogs over six months or longer revealed no signs of relapse.
• The treatment protocol demonstrated excellent efficacy compared to methods without pleural lavage.

Conclusions:

• Systemic antibiotics with pleural drainage and lavage represent a highly effective treatment for canine pyothorax.
• The addition of pleural lavage significantly improves treatment outcomes.
• Grass awn migration may not be a primary cause of pyothorax in dogs in the Netherlands, suggesting other etiological factors may be more relevant in this region.