Bacterial meningitis and brain abscesses secondary to infectious disease processes involving the head in horses: seven cases (1980-2001).

The research paper looks into how horses suffer from bacterial meningitis or brain abscesses due to infectious diseases that affect the head. The study was carried out on seven adult horses and is based on medical records from several institutions.

Research Methodology

• The indicated study is retrospective in nature, meaning it uses past data to draw conclusions. In this case, medical records were used as the primary source of data.
• The records reviewed were extracted from three institutions: Tufts University, the University of Pennsylvania, and the Livestock Disease Diagnostic Center in Lexington, KY.
• The subject of the study were horses that were more than 12 months old. This condition was implemented to focus on adult horses, excluding younger animals.
• To be included in the study, a horse needed to meet specific criteria. A postmortem identification of bacterial meningitis or brain abscess had to be established, an intracranial infection had to be verified, the horse had to have a primary infectious disease process impacting the head, and there needed to be no signs of systemic infection.

Research Findings

• The study period examined 23 adult horses with bacterial meningitis or a brain abscess. However, only 7 of these met the necessary requirements set out for eligibility in the study.
• The primary sites of infection in these animals were the paranasal sinuses, nasal cavity, periocular tissues, and submandibular lymph nodes.
• Three out of the seven horses died abruptly before they could be admitted to the hospital, while another died 7 days after the manifestation of neurological abnormalities had begun.
• The rest, three horses, were euthanized due to their fast-deteriorating clinical health.

Conclusions

• Although infrequent, fatal intracranial complications can arise in horses that have infectious diseases affecting the head. This makes it an important area for veterinarians to monitor and treat proactively.