Dogs 8 years of age and older with first-time gastrointestinal foreign bodies have an increased occurrence of incidental pathologic surgical findings.

Senior dogs undergoing first-time foreign body surgery are 16 times more likely to have incidental intraoperative pathologic findings.

This retrospective cohort study evaluated the prevalence of incidental intraoperative pathologic findings in dogs undergoing gastrointestinal foreign body retrieval surgery, stratified by age and surgical history. A total of 313 dogs were reviewed from January 2023 through August 2025, divided into two groups: those younger than 8 years and those 8 years of age or older. Among dogs under 8 years, only 7.6% had incidental intra-abdominal pathology identified during surgery. In contrast, 56.7% of dogs aged 8 years and older undergoing their first foreign body retrieval surgery had incidental pathologic findings, representing a 16-fold increased likelihood compared to younger dogs. Notably, senior dogs with a prior history of surgical foreign body retrieval had a substantially lower incidence of incidental findings at 5.9%, comparable to the younger cohort. This suggests that dogs presenting as first-time foreign body cases at an advanced age may have underlying conditions that predisposed them to the ingestion event or that have gone previously undetected. The clinical implication is significant: veterinarians should engage in thorough preoperative client communication with owners of geriatric dogs presenting for their first foreign body surgery, addressing the elevated probability of discovering concurrent pathology, the potential necessity for additional surgical interventions, and the compounded anesthetic and surgical risks. These findings support a more conservative and investigative surgical approach in this patient population.

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