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Evaluation of Hyperlipasemia and Clinical Signs in 106 Dogs After Hospitalization for Acute Pancreatitis: Results
1Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.
Background:
No data after hospitalization for acute pancreatitis (AP) in dogs comparing clinical signs to lipase results exists.
Objectives:
Evaluate disease severity, lipase activity, and pancreatic lipase immunoreactivity (PLI) after hospitalization for suspected AP.
Animals:
One hundred and six client-owned dogs with a minimum of one re-check 2 weeks after hospitalization for AP.
Methods:
Combined retrospective and prospective study. Clinical signs graded using a clinical disease activity score (CDAS = CIBDAI complemented by abdominal pain) were compared to DGGR-lipase activity (LIPC Roche) and PLI (SpecPL) at 2 weeks (t2, n = 106) after discharge. Additional re-checks were available 6 weeks (t3, n = 56), 12 weeks (t4, n = 24), and 24 weeks (t5, n = 13) after discharge.
Results:
Lipase activity and PLI correlated strongly at all time points (rs 0.863-0.937, p < 0.0001). Discordant results in regard to published reference intervals (RI) were rare (2.8% at t2, 1.7% at t3, 4.2% at t4, 0% at t5) and seemed clinically irrelevant. Dogs with still elevated lipase activity and PLI at t2 (24/106.22.6%) and t3 (21/56.37.5%) were significantly older compared to dogs with lipase within RI. Weak and moderate correlation between CDAS and lipase activity/PLI was found only at t2 (rs 0.391, p = 0.0009; rs 0.279, p = 0.004) and t5 (rs 0.603, p = 0.032; rs 0.57 p = 0.045). Most dogs (79.2%) with still elevated lipase at t2 had no or minimal clinical signs (CDAS 0-3). The same applied to all later re-checks.
Conclusion And Clinical Importance:
Both lipase assays did not differ when compared to clinical status. Most dogs with hyperlipasemia after hospitalization for AP have no or minimal clinical signs.
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