Negative pressure wound therapy for the management of surgical site infections with zoonotic, drug-resistant pathogens on the upper body of the horse

Equine Vet Educ. August 2023;35(8):e531-e536. 18 Refs

Tianti Askey¹, Dustin Major², Carolyn Arnold

¹ One Thirteen Equine, Millsap, TX, USA.; ² dmajor@cvm.tamu.edu

Author Abstract

This case series reviews the use of negative pressure wound therapy (NPWT) for surgical site infections (SSI) on the upper body of six horses at an academic referral institution between 2016 and 2020. The SSIs consisted of three ventral midline celiotomy incisions post-abdominal exploratory, one paralumbar flank incision for removal of an ovarian abscess, an incision for resection of a septic jugular vein, and a large defect resulting from the resection of chronically abscessed skin and subcutaneous tissue on the shoulder and pectoral region. All SSIs contained zoonotic, polymicrobial, multi-drug resistant pathogens (methicillin-resistant Staphylococcus aureus or extended spectrum beta-lactamase Klebsiella or Enterobacteriaceae) that were managed without systemic, regional, or topical antimicrobials. All horses were discharged from the hospital, and long-term follow-up revealed satisfactory functional and cosmetic outcomes according to owner questionnaires. Duration of NPWT ranged from 4 to 15 days in five horses, but one horse required NPWT for 70 days due to the large nature of the defect. The NPWT system was easy to use, well-tolerated by patients, and produced acceptable functional and cosmetic outcomes for the clients. By containing wound exudate and reducing daily wound care, it improved hospital biosecurity and reduced exposure to hospital personnel.

Keywords

horse, contaminated wounds, NPWT, surgical site infection, vacuum-assisted closure

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