Articles Companion animals

16 July 2026

Predictive utility of computed tomography-derived renal parenchymal volume for long-term postoperative renal function in cats with hydronephrosis.

Clinical evidence update from The Journal of small animal practice

Clinical Context

Peer-reviewed veterinary literature continues to shape everyday decision-making for feline patients, especially when new evidence clarifies diagnosis, treatment selection, monitoring, or clinical outcomes.

What the Study Evaluated

A study published in The Journal of small animal practice in 2026 evaluated predictive utility of computed tomography-derived renal parenchymal volume for long-term postoperative renal function in cats with hydronephrosis..

Key Findings

To evaluate the utility of preoperative feline renal parenchymal volume derived from computed tomography in predicting the serum creatinine concentration during the long-term postoperative period. In this retrospective clinical study, we included 13 client-owned cats with normal kidneys and 24 cats with hydronephrosis (16 with chronic kidney disease and 8 without chronic kidney disease). The renal parenchymal volume was derived from CT images and normalised to the body weight. The reference intervals for renal parenchymal volume/body weight and total renal parenchymal volume/body weight were calculated from the control group. We performed...

Why It Matters for Veterinary Professionals

For veterinary professionals, the practical value of this work lies in how the findings may support more structured clinical assessment, clearer monitoring, and more informed decisions for feline patients.

Practical Interpretation

The results should be interpreted in the context of the study design, population, inclusion criteria, and clinical setting. Application in practice should consider patient-specific risk factors, available diagnostics, local standards of care, and clinician judgment.

Clinical Takeaway

Overall, the study adds useful evidence for clinicians seeking to align daily practice with current veterinary research while maintaining a balanced, case-by-case approach.

Read the full article here.

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Predictive utility of computed tomography-derived renal parenchymal volume for long-term postoperative renal function in cats with hydronephrosis.

Clinical evidence update from The Journal of small animal practice

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