Role of Biomarkers in Chemotherapy-Induced Cardiotoxicity
Section snippets
Current approach
The most typical clinical manifestation of cardiotoxicity is asymptomatic or symptomatic cardiac dysfunction. In clinical practice, regular cardiac function assessment is recommended by oncologic guidelines to detect early cardiotoxicity,5, 6, 7 by the evaluation of left ventricular ejection function (LVEF) and by either echocardiography or multigated acquisition scanning. However, some major limitations of this approach must be highlighted. First, not all patients treated with CT require LVEF
Possible strategies for cardioprotection
The best treatment for CT-induced cardiotoxicity is its prevention in the first instance. Currently, several preventive measures are being used, including close monitoring of cardiac function, limiting cumulative CT dose, using AC analogues, adding cardioprotectants to the CT regimen, using nutritional supplements, and planning preventive pharmacologic therapies in high-risk patients selected by means of biomarkers.62 In all this, of course, the oncologic effectiveness must be maintained.
Conclusions
Cardiotoxicity is a frequent complication of CT and has a strong impact, in clinical and prognostic terms, on patients with cancer. The main strategy for minimizing cardiotoxicity is still early detection of high-risk patients and the initiation of prompt prophylactic treatment. Measurement of serum cardiospecific biomarkers may therefore become a useful routine method for identifying patients more prone to developing cardiotoxicity and in whom a preventive pharmacologic strategy and closer
Statement of Conflict of Interest
All authors declare that there are no conflicts of interest.
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