Agreement between lacrimal fluid and serum for detecting urea nitrogen and creatinine in dogs.

Objective: To determine whether urea nitrogen and creatinine levels differ in lacrimal fluid (LF) and serum (SER) in nonazotemic (control) and azotemic dogs and whether there is an agreement between LF and SER.

Methods: A prospective observational study was performed at the Auburn University Small Animal Teaching Hospital between May 2023 and March 2024. Forty control and 38 azotemic dogs were enrolled.

Association of abdominal effusion with a single decompressive cystocentesis prior to catheterization in male cats with urethral obstruction.

Objective: To evaluate the occurrence of abdominal effusion and its association with decompressive cystocentesis in male cats with urethral obstruction.

Design: Prospective observational clinical study.

Animals: Forty-five male neutered, client-owned cats with naturally occurring urethral obstruction.