TABLE 1.
CLINICAL CHARACTERISTICS AND SERUM CHEMISTRIES
| Pt | Sex | Age at Colectomy (yr) | Age First Stone (yr) | Prior Stones | Age at Biopsy (yr) | ESWL | PNL | Total Procedures | Serum Creat (mg/dl) | Serum CO2 (mM/L) | Serum K (mM/L) | eGFR (ml/min) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | F | 21 | 31 | >12/2 | 53 | 2/2 | 1/1 | 6/6 | 0.9 | 23 | 4.5 | 70 |
| 2 | M | 10 | 27 | 3/1 | 43 | 1/1 | 1/1 | 5/3 | 1.2 | 25 | 3.4 | 70 |
| 3 | F | 19 | 25 | 10/3 | 58 | 3/0 | 3/2 | 9/3 | 1 | 29 | 4.7 | 61 |
| 4 | F | 20 | 60 | 2 | 61 | 1 | 2 | 5 | 0.8 | 26 | 4.3 | 78† |
| 5 | M | 58 | 59 | 8/6 | 61 | 1/0 | 2/1 | 5/2 | 2.3 | 19 | 5.2 | 31† |
| 6 | M | 36 | 49 | 7/7 | 63 | 6/6 | 1/1 | 15/15 | 1.3 | 28 | 3.8 | 63 |
| 7 | M | 49 | 51 | 1 | 51 | 0 | 1/1 | 1/1 | 0.9 | 26 | 3.6 | 108 |
Prior stones: number of stones/number in PNL kidney; ESWL, extracorporeal shock wave lithotripsy; PNL, percutaneous nephrolithotomy; Total procedures: number procedures/procedures in PNL kidney, includes cystoscopy, open surgery, ureteroscopy as well as ESWL and PNL;. Pt 4 had a history of scleroderma, and patients 6 and 7 had diabetes. eGFR, estimated glomerular filtration rate using MDRD equation,
†
denotes patients with a prior history of acute renal failure.