Successful Surgical and Medical Management of a Pararectal Abscess in a Horse.
Authors: Ortolani Flaminia, Nannarone Sara, Scilimati Nicola, Gialletti Rodolfo
Journal: Journal of equine veterinary science
Summary
# Editorial Summary: Pararectal Abscess Management in an Equine Patient Pararectal abscesses represent a serious post-colic complication with significant risk of septic peritonitis if left untreated, yet clinical literature on their management remains limited. This case report documents the treatment of a 14-year-old pony that developed a pararectal abscess two weeks after colic, diagnosed through rectal palpation, ultrasound, and supportive findings including neutrophilic leukocytosis, hyperfibrinogenaemia, and elevated alkaline phosphatase. The clinical team employed aggressive multimodal therapy combining systemic antibiotics (initial ceftiofur, later rifampicin following culture identification of Streptococcus zooepidemicus), standing surgical drainage with daily lavage using rifampicin and acetylcysteine, standing laparoscopy to assess adhesions, and epidural analgesia—achieving complete resolution within one month and rapid return to competition. The case demonstrates that pararectal abscesses, whilst life-threatening, can be successfully managed through integrated medical-surgical protocols combining antimicrobial therapy tailored to culture results, mechanical drainage and irrigation, and rigorous monitoring via serial rectal examination, haematological parameters, and ultrasound assessment. For equine practitioners, this emphasises that early diagnosis through careful rectal palpation and imaging during extended post-colic monitoring, combined with coordinated medical and surgical intervention, offers realistic prospects for functional recovery even in this challenging condition.
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Practical Takeaways
- •Pararectal abscesses require aggressive combined medical-surgical management including drainage, lavage, and culture-directed antibiotics to prevent rupture and septic peritonitis
- •Standing surgical procedures (drainage, laparoscopy) can be performed safely with epidural anesthesia, allowing comprehensive diagnosis and treatment without general anesthesia risks
- •Regular monitoring with rectal examination, CBC, fibrinogen, serum amyloid A, and ultrasound is essential to track abscess resolution and guide treatment adjustments
Key Findings
- •A 14-year-old pony with pararectal abscess was successfully treated with combined standing surgical drainage, daily lavage with rifampicin and acetylcysteine, and systemic antibiotics (ceftiofur then oral rifampicin based on culture of Streptococcus zooepidemicus)
- •Standing laparoscopy identified adhesions to the rectum as a complication requiring management
- •The pony was discharged after one month and returned to competition, demonstrating successful recovery from a life-threatening condition