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Fig. 4 | Surgical Case Reports

Fig. 4

From: Post-hepatectomy tolvaptan-induced hypernatremia in a hepatocellular carcinoma patient with cirrhosis: a case report

Fig. 4

Sequential changes in serum Na level, weight, and urine volume. Tolvaptan administration was started on POD 1; the Na level, which was 151 mEq/L before the surgery, rose to 174 mEq/L on POD 5. After terminating tolvaptan administration, the Na level gradually decreased and returned to the preoperative level by POD 9. The urine volume increased after tolvaptan administration to more than 4,000 mL/day. Body weight increased by 3.7 kg compared to the preoperative level; after tolvaptan administration, it returned to values similar to those observed before the operation

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