Table 2.
Characteristics of the cases of Cu deficiency in patients on PD during Zinc supplementation
| Becton DL et al.[6] | Saly DL et al.[7] | The present case | |
|---|---|---|---|
| Sex | Male | Female | Male |
| Age (years) | 16 | 61 | 59 |
| PD vintage | 8 years | Not available | 7 months |
| Zinc supplementation | Yes | Yes | Yes |
| Complete blood count | |||
| White blood cells (/μL) | 2200 | Unremarkable change | 1600 |
| Hemoglobin (g/dL) | 9.6 (With RBC transfusion) | 8.3 | 6.7 |
| Mean corpuscular volume (fl) | 84 | 84 | 97.8 |
| Platelets (/μL) | 17.7 × 104 | Unremarkable change | 17.8 × 104 |
| Blood chemistry | |||
| Albumin (g/dL) | 2.9 | Not available | 3.1 |
| Ferritin (ng/dL) | Mildly elevated | Iron study were normal | 608 |
| Zn (μg/dL) | Normal | 134 | 105 |
| Cu (μg/dL) | 12 | < 10 | 12 |
| Ceruloplasmin (mg/dL) | 2.0 | < 4 | 2.7 |
| Vitamin B12 (pg/mL) | Not available | 1207 | 156 |
| Folic acid (ng/mL) | Normal | 20.3 | 20.0 |
| Treatment | |||
| Cu supplementation | Orally | Intravenously and orally | Orally |
| Duration for the recovery of the main symptoms | 2 weeks | 5 days | 7 days |