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Revista Brasileira de Terapia Intensiva

Print version ISSN 0103-507XOn-line version ISSN 1982-4335


DARMON, Michael; MALAK, Sandra; GUICHARD, Isabelle  and  SCHLEMMER, Benoit. Acute tumor lysis syndrome: a comprehensive review. Rev. bras. ter. intensiva [online]. 2008, vol.20, n.3, pp.278-285. ISSN 0103-507X.

Tumor lysis syndrome is characterized by the massive destruction of malignant cells and the release in the extra-cellular space of their content. While Tumor lysis syndrome may occur spontaneously before treatment, it usually develops shortly after the initiation of cytotoxic chemotherapy. These metabolites can overwhelm the homeostatic mechanisms with development of hyperuricaemia, hyperkalaemia, hyperphosphataemia, and hypocalcaemia. These biological manifestations may lead to clinical manifestations including, acute kidney injury, seizure, or sudden death that require intensive care. Since clinical tumor lysis syndrome is associated with a poor prognosis both prevention of tumor lysis syndrome and prevention of clinical consequences of tumor lysis syndrome are mandatory. The objective of this review is to describe pathophysiological mechanisms, biological and clinical manifestations of tumor Lysis syndrome, and to provide upto-date guidelines to ensure prevention of tumor lysis syndrome. Review of selected studies on tumor lysis syndrome published at the PubMed database during the last 20 years. Additional references were retrieved from the studies initially selected. Tumor lysis syndrome is a frequent and life-threatening complication of the newly diagnosed malignancies. Preventive measures, including hydration, uricolytic agents, eviction of factors predisposing to acute kidney injury and, in the more severe patients, on prophylactic renal replacement therapy, are required to prevent or limit clinical consequences of Tumor lysis syndrome. However optimal timing and modalities of prevention remains unknown and may be modified by the changing spectrum of patients at risk of tumor lysis syndrome. Development and validation of risk based strategies is required to limit the high morbidity and mortality of this complication.

Keywords : Tumor Lysis syndrome; Antineoplastic agents [adverse effects Hyperphosphataemia]; Hypercalcemia; Hyperuricemia; Renal insufficiency, acute; Leukemia; Lymphoma, non-Hodgkin; Intensive care units; Kidney diseases [chemically induced]; Uric acid [adverse effects].

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