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- Title
Role of serum sodium in assessing hospital mortality in cancer patients with spontaneous tumour lysis syndrome inducing acute uric acid nephropathy.
- Authors
Hsu, H-H.; Chen, Y-C.; Tian, Y-C.; Chan, Y-L.; Kuo, M-C.; Tang, C-C.; Fang, J-T.; Lee, S-Y.; Yang, C-W.
- Abstract
Spontaneous tumour lysis syndrome (STLS) inducing acute uric acid nephropathy, a rare and neglected disease, presents more insidiously than conventional post-treatment tumour lysis syndrome. Although STLS is a serious and potentially fatal complication in patients with neoplastic disorders, few investigations have addressed the relevance of clinical and laboratory features in assessing prognosis. A retrospective study was conducted, reviewing the records of all patients who developed acute renal failure (ARF) at Chang Gung memorial hospital between 1 July 1999 and 30 June 2003. STLS-induced acute uric acid nephropathy was identified in 12 of 1072 ARF patients (1.1%) during the study period. All patients had advanced stage tumours with large tumour burden, and 66.7% of cases had abdominal organ involvement. All 12 hyperuricemic patients became oliguric despite conservative therapy, and remained hyperuricemic (21.6 ± 5.2 mg/dl) before dialysis therapy. Diuresis developed in eight patients (66.7%), with associated resolution of hyperuricemia, azotemia and metabolic derangements following dialysis initiation. Overall hospital mortality was 58.3%. Death in most patients was related to hyponatremia and hypoalbuminemia on admission. The serum sodium was found to have the best Youden index (0.86) and highest overall prediction accuracy (93%). Moreover, serum sodium and serum albumin for individual patients were significantly and positively correlated (r = 0.617, p = 0.032). This investigation confirms a grave prognosis for cancer patients with STLS inducing acute uric acid nephropathy. Hyponatremia and hypoalbuminemia on the first day of admission indicate poor prognosis in such patients.
- Publication
International Journal of Clinical Practice, 2009, Vol 63, Issue 5, p751
- ISSN
1368-5031
- Publication type
Article
- DOI
10.1111/j.1742-1241.2007.01264.x