Case Report

Cisplatin-Induced Renal Salt Wasting Requiring over 12 Liters of 3% Saline Replacement

Table 1

Hospital course of patient with cisplatin-induced renal salt wasting.

Hospital dayLaboratory findingsUrine volume (mL)Total  (Na + K) urinary loss (mEq/L) Management
SNa (mEq/L)U(Na + K) (mEq/L)Uosm (mosm/Kg)Sosm (mosm/Kg)SPhos (mg/dL)Medications3% NS (mL)

1138Cisplatin
2133
3125, 122, 119, 124, 1236932623.1300
4125, 1229072.83800885800
5124, 127, 1268062.74050923875
6129, 133, 128, 1328472.83100880750
7130, 13683232450774500
8133, 128, 1349032.92445694670
9132, 122, 1247602.824606931400
10132, 131, 130, 1356362.72485646850
11134, 1338272.91630474Benazepril650
12136, 1338102.82425569500
13133, 1297682.71950598600
14134, 1317313.12500747Ibuprofen0
15132, 1303.118205801000
16130, 1296373.21925515500
17129, 138, 126, 130, 1317344.12375679500
18131, 1314.528506491000
19138, 138, 1357833.12200679500
2013578736007410
21135540367010490
22130, 129, 131265000
23126, 1276601750469250
24131, 131, 1277741600473250
25130, 127, 131, 1346251750378250
26135, 1355281800392
271394041700278
28137, 130, 1346752225542
29131, 1352100537
301321020
31138
Total12145

SNa: serum sodium; U(Na + K): urine sodium plus potassium; Uosm: urine osmolality; Sosm: serum osmolality; SPhos: serum phosphorus; NS: normal saline.