Table 1.
Specific data on each of the 25 infants hospitalised for melamine-induced kidney stones complicated by acute obstructive renal failure
| Number | Gender | Age (months) | Duration of consuming the milk (months) | Main symptoms | Stone position | Size of stones (total, cm2) | Serum potassium(mmol/l) | BUN (mmol/l) | Cr (μmol/l) | Serum uric acid (μmol/l) | Treatment | Effect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | m | 13 | 13 | dysuria, fever | 134 | 1.67 | 5.35 | 20.5 | 370.0 | 727 | C | effective |
| 2 | f | 7 | 5 | anuria, fever | 12 | 0.83 | 5.68 | 30.6 | 467.0 | 300 | C | effective |
| 3 | m | 20 | 20 | abdominal pain, oliguria | 23 | 4.60 | 18.8 | 305.9 | 546 | C | effective | |
| 4 | m | 12 | 12 | anuria, fever | 134 | 1.43 | 7.91 | 30.7 | 355.0 | 537 | C | effective |
| 5 | f | 8 | 4 | vomit, oliguria, fever | 34 | 6.22 | 14.7 | 93.0 | 793 | C | effective | |
| 6 | f | 8 | 4 | vomit, diarrhoea, anuria | 34 | 1.92 | 3.72 | 30.0 | 534.0 | 706 | F | effective |
| 7 | m | 8 | 8 | vomit, oliguria, fever | 134 | 2.69 | 5.96 | 23.7 | 420.0 | 815 | PD | effective |
| 8 | m | 7 | 7 | anuria | 24 | 1.61 | 8.12 | 49.0 | 908.0 | 635 | PD | cure |
| 9 | m | 6 | 6 | anuria, fever | 34 | 1.58 | 5.68 | 27.5 | 448.3 | 1,108 | PD | effective |
| 10 | m | 10 | 6 | oliguria | 2 | 0.99 | 5.67 | 16.1 | 164.8 | 833 | C | effective |
| 11 | m | 20 | 20 | vomit, anuria, abdominal distention | 12 | 1.79 | 5.73 | 39.7 | 711.0 | 647 | C | effective |
| 12 | f | 8 | 0.5 | anuria | 134 | 2.22 | 5.57 | 24.7 | 575.9 | 1257 | PD | effective |
| 13 | m | 7 | 7 | oliguria, abdominal distention | 234 | 0.34 | 5.78 | 21.0 | 248.8 | 820 | F | cure |
| 14 | m | 17 | 17 | anuria | 34 | 1.14 | 2.94 | 18.0 | 181.5 | 952 | C | effective |
| 15 | m | 7 | 7 | diarrhoea, haematuria, oliguria | 14 | 0.77 | 5.10 | 22.4 | 387.4 | 830 | PD + C | effective |
| 16 | m | 13 | 13 | diarrhoea, vomit, anuria | 12 | 1.12 | 5.42 | 23.5 | 381.0 | 1,247 | F | effective |
| 17 | m | 7 | 7 | anuria | 1234 | 1.78 | 6.48 | 25.6 | 375.0 | 614 | PD | cure |
| 18 | f | 8 | 8 | diarrhoea, oliguria | 124 | 2.58 | 6.34 | 30.5 | 854.0 | 993 | PD + C | cure |
| 19 | m | 22 | 12 | anuria, fever | 234 | 0.95 | 4.46 | 26.8 | 670.9 | 940 | PD | effective |
| 20 | f | 10 | 6 | vomit, oliguria, fever | 4 | 4.86 | 19.5 | 157.0 | 195 | F | effective | |
| 21 | m | 12 | 7 | anuria | 14 | 1.21 | 5.59 | 21.0 | 290.0 | 709 | F | effective |
| 22 | m | 36 | 24 | anorexia, oliguria | 24 | 0.42 | 4.94 | 27.7 | 439.0 | 439 | HD | cure |
| 23 | f | 11 | 11 | haematuria, oliguria | 124 | 2.60 | 8.84 | 47.3 | 598.0 | 621 | C | effective |
| 24 | f | 11 | 11 | dysuria | 24 | 1.35 | 5.57 | 19.1 | 166.1 | 442 | F | cure |
| 25 | m | 8 | 2 | anorexia, oliguria | 1 | 0.10 | 4.53 | 21.3 | 194.3 | 769 | F | cure |
Stone position: 1. pyeloureteric junction; 2. ureter spanning iliac blood vessels; 3. ureter attaching to the bladder; 4. pelvis and calyces renales
Treatment: C cystoscopy and retrograde catheterisation; PD peritoneal dialysis; HD haemodialysis; F fluid administration