Table 2. Clinical and biochemical profile of enrolled patients at the time of presentation.
Patients | Age (yr) | Sex | Onset age (yr) | Clinical manifestations | Mutated genes | BP | [K+] | [HCO3-] | Arterial pH | [Mg2+] | Urine Ca/Cr | FEMg |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1* | 19 | M | 9 | Weakness in the hands and feet | SLC12A3† | 123/70 | 3.4 | 31 | 7.40 | 0.70 | 0.03 | NA |
2* | 20 | M | 17 | L/E weakness | SLC12A3† | 130/78 | 3.0 | 27 | 7.42 | 0.71 | 0.07 | 1.3 |
3 | 31 | F | NA | Weight loss | SLC12A3† | 80/60 | 3.2 | 23 | 7.55 | 0.63 | 0.03 | 9.0 |
4 | 20 | M | 12 | L/E weakness | SLC12A3† | 104/60 | 3.0 | 31 | 7.43 | 0.58 | 0.04 | 1.7 |
5 | 21 | M | 20 | Weight loss, numbness of hands | SLC12A3† | 100/60 | 2.2 | 39 | 7.47 | 0.63 | 0.07 | 3.0 |
6 | 28 | F | 24 | L/E paresthesia and cramping | SLC12A3† | 100/70 | 2.5 | 38 | 7.47 | 0.58 | 0.32 | 2.7 |
7 | 16 | F | 12 | L/E weakness and paralysis | SLC12A3† | 110/80 | 2.8 | 32 | 7.42 | 0.58 | 0.02 | 2.1 |
8 | 20 | M | 20 | L/E paresthesia and weakness | SLC12A3‡ | 110/70 | 3.1 | 33 | 7.46 | 0.58 | NA | NA |
9 | 20 | M | 15 | L/E weakness and paralysis | SLC12A3‡ | 110/80 | 2.7 | 27 | 7.43 | 0.58 | 0.04 | 1.8 |
10* | 56 | F | 56 | Dizziness | SLC12A3‡ | 120/80 | 2.8 | 33 | 7.50 | 0.46 | 0.49 | 2.5 |
11* | 51 | M | 44 | Loss of consciousness | SLC12A3‡ | 123/76 | 3.3 | 33 | 7.42 | 0.54 | 0.36 | 15.2 |
12 | 67 | F | 47 | Cardiac arrest | SLC12A3‡ | 114/64 | 2.4 | 29 | 7.47 | 0.58 | 0.15 | 3.1 |
13 | 24 | M | 24 | L/E paresthesia | SLC12A3‡ | 104/70 | 3.0 | 28 | NA | 0.54 | 0.13 | 2.4 |
14 | 28 | F | 28 | L/E weakness | SLC12A3‡ | 100/70 | 2.8 | 33 | 7.37 | 0.50 | 0.05 | 3.5 |
15 | 29 | M | 26 | L/E paresthesia | SLC12A3‡ | 100/58 | 3.1 | 25 | NA | 0.71 | 0.10 | 1.5 |
16 | 19 | M | 18 | L/E weakness and paralysis | SLC12A3‡ | 128/67 | 2.8 | 37 | 7.43 | 0.50 | 0.09 | 4.2 |
17 | 27 | M | 27 | L/E paralysis | SLC12A3‡ | 110/80 | 2.5 | 28 | 7.40 | 0.54 | 0.12 | 3.7 |
18 | 55 | F | 55 | No symptoms | SLC12A3‡ | 111/70 | 2.7 | 30 | 7.50 | 0.46 | 0.12 | 1.8 |
19* | 21 | M | 21 | Syncope, L/E weakness | SLC12A3‡ | 95/50 | 2.6 | 30 | 7.45 | 0.50 | 0.16 | 4.3 |
20* | 19 | M | 19 | L/E weakness | SLC12A3‡ | 107/69 | 2.8 | 32 | 7.39 | 0.63 | 0.11 | 1.6 |
21 | 20 | M | 20 | Dizziness | SLC12A3‡ | 120/80 | 3.0 | 27 | NA | 0.67 | 0.06 | 0.9 |
22 | 24 | F | 24 | Involuntary motion of both hands | SLC12A3‡ | 110/70 | 1.9 | 28 | 7.44 | 0.46 | 0.03 | 0.4 |
23 | 28 | M | 23 | L/E weakness | SLC12A3‡ | 120/80 | 3.1 | 28 | NA | 0.54 | 0.06 | 0.6 |
24 | 35 | M | 35 | L/E paralysis | SLC12A3§ | 116/59 | 3.1 | 34 | 7.45 | 0.54 | 0.19 | 2.0 |
25 | 48 | M | 40 | L/E paresthesia | SLC12A3§ | 130/80 | 3.4 | 32 | 7.41 | 0.63 | 0.12 | 2.0 |
26 | 25 | M | 25 | L/E numbness | SLC12A3§ | 113/66 | 3.1 | 33 | NA | 0.63 | 0.03 | 1.4 |
27 | 19 | M | 19 | L/E paralysis | SLC12A3§ | 119/62 | 2.9 | 35 | 7.43 | 0.83 | 0.05 | 16.2 |
28 | 49 | F | 44 | Dizziness, vomiting | SLC12A3§ | 120/70 | 2.9 | 30 | 7.40 | 0.67 | 0.09 | 4.3 |
29 | 23 | M | 23 | NA | SLC12A3§ | 110/80 | 2.9 | 37 | NA | 0.67 | 0.16 | NA |
30 | 19 | M | 17 | L/E weakness, polyuria | SLC12A3§ + CLCNKB§ | 110/60 | 3.0 | 33 | 7.60 | 0.58 | 0.07 | 1.9 |
31 | 25 | M | 3 | Polyuria, polydipsia, failure to thrive, salt craving | SLC12A3§ + CLCNKB† | 95/60 | 3.1 | 30 | NA | 0.63 | 0.26 | 1.9 |
32 | 17 | F | 16 | No symptoms | CLCNKB† | 112/75 | 2.8 | 35 | 7.42 | 0.71 | 0.44 | 1.8 |
33 | 26 | M | 26 | Nephrolithiasis | CLCNKB† | 107/59 | 2.9 | 36 | 7.45 | 0.92 | 0.53 | 0.4 |
34 | 27 | F | 27 | Dizziness | CLCNKB§ | 120/62 | 3.1 | 32 | 7.45 | 0.79 | 0.25 | 1.2 |
*Patients 1 and 2, 10, and 11, 19, and 20 were siblings; †homozygous; ‡compound heterozygous; §single heterozygous mutation. BP, blood pressure (systolic/diastolic, in mmHg); [K+], serum potassium concentration (mM/L); sHCO3-, serum bicarbonate concentration (mM/L); [Mg2+], serum magnesium concentration (mM/L); Ca/Cr, calcium-to-creatinine ratio (mM/mM); FEMg, fractional excretion of Mg (%); NA, Not available; L/E, low-extremity.