Table 4.
Calcium, phosphate and renal markers at presentation and follow-up in a 5-month-old male entire British Shorthair cat (case 2) treated for suspected hypervitaminosis D toxicity
| Case 2 | Day 1 | Day 2 | Day 3 | Day 4 | Day 5 | Day 6 | Day 8 | Day 10 | Day 15 | Day18 | Day 22 | Day 30 | Day 46 | Day 54 | RI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Creatinine (μmol/l) | 83 | 70 | 72 | 76 | 59 | 81 | 133–175 | ||||||||
| Urea (mmol/l) | 7.0 | 8.4 | 9.4 | 9.8 | 7.6 | 7.6 | 6.5–10.5 | ||||||||
| Ionised calcium (mmol/l) | 1.82 | 1.94 | 1.72 | 1.80 | 1.65 | 1.45 | 1.64 | 1.76 | 1.46 | 1.31 | 1.31 | 1.33 | 1.43 | 1.27 | 1.10–1.40 |
| Total calcium (mmol/l) | 3.92 | 3.52 | 3.94 | 3.39 | 2.78 | 2.97 | 2.30–2.50 | ||||||||
| Phosphate (mmol/l) | 1.89 | 1.74 | 1.84 | 2.14 | 1.98 | 2.63 | 0.95–1.55 | ||||||||
| Calcium × phosphate product (mmol2/l2) | 7.41 | 6.12 | 7.25 | 7.25 | 5.50 | 7.81 | <5.6 | ||||||||
| Treatment | IVFT | IVFT, F, Pr | F, Pr, Fy | Pr | Pr | ||||||||||
RI = reference interval; IVFT = intravenous fluid therapy; F = furosemide; Pr = prednisolone; Fy = Fybogel