Reference intervals for thromboelastometry with the ROTEM delta in cats.

Limited data exist regarding standardized coagulation profiles for domestic cats using modern viscoelastic diagnostic tools. Clinicians often lack specific benchmarks to interpret blood clotting dynamics in feline patients accurately. Prior research has shown that coagulation parameters vary significantly across different mammalian species. That uncertainty drove the need for species-specific metrics to ensure diagnostic precision. No prior work had resolved the variability inherent in feline blood samples when processed through automated viscoelastic systems. Previous studies often relied on manual methods that failed to capture the full complexity of clot formation. This gap motivated a systematic evaluation of feline hemostasis using advanced instrumentation. Establishing these benchmarks provides a necessary foundation for identifying pathological clotting states in clinical settings.

The aim of this study was to assess the precision of viscoelastic measurements in feline blood using the ROTEM delta analyzer. Researchers sought to establish reliable reference intervals for healthy cats to support clinical diagnostics. The team addressed the lack of standardized benchmarks for feline coagulation profiles in veterinary medicine. They aimed to determine if the device could provide consistent results across different biological samples. The study also investigated how various activating reagents influence the speed and quality of clot formation. By evaluating intra-assay variability, the authors intended to validate the reliability of the instrumentation. This work was motivated by the need to improve the accuracy of hemostatic assessments in feline patients. Establishing these ranges provides a necessary foundation for future clinical interpretations of complex blood clotting data.

Review Approach involved a systematic assessment of feline blood samples using the ROTEM delta platform. Investigators analyzed blood from two cats in quadruplicate to determine intra-assay variability. The team recruited 55 healthy European shorthair cats to define standard reference ranges. Researchers processed samples without any additives to establish baseline clotting characteristics. They also performed tests using three distinct reagents to trigger coagulation pathways. The study design incorporated various age groups and both sexes to ensure representative data. Statistical analysis focused on calculating the coefficient of variation for all measured parameters. This rigorous approach ensured that the resulting benchmarks reflect reliable performance of the diagnostic equipment.

Key Findings From the Literature indicate that the ROTEM delta analyzer achieves acceptable reproducibility for feline blood assessments. Most parameters demonstrated a coefficient of variation below 10 percent. The ex-tem reagent, containing tissue factor, yielded the most rapid clotting times, measured between 44.0 and 98.7 seconds. This specific reagent also produced the highest maximum lysis values among the tested groups. The data revealed substantial inter-individual variation across many of the analyzed parameters. Differences between age groups occurred only sporadically throughout the study population. These results confirm the stability of the device when processing feline samples under various conditions. The findings provide a comprehensive set of reference values for future veterinary diagnostic applications.

The authors suggest that the ROTEM delta device demonstrates sufficient consistency for routine veterinary use. These findings imply that the generated reference intervals serve as a practical guide for clinicians. The researchers propose that the wide range of individual variation necessitates cautious interpretation of patient results. Synthesis and implications indicate that age-related differences do not significantly impact most coagulation metrics in healthy populations. The study highlights that tissue factor-based reagents yield the most rapid clotting responses in feline samples. Future clinical applications should rely on these established ranges to identify abnormal hemostatic function. The data confirm that viscoelastic testing is a viable approach for monitoring feline blood coagulation. These results provide a baseline for comparing healthy feline hemostasis against various disease states.