Current cardiology reports · 2022
Role of Myocardial Strain Imaging in Cancer Therapy-Related Cardiac Dysfunction.
СтатьяОбзорПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Chaganti Bhanu T, Negishi Kazuaki, Okajima Kazue
Аннотация
PURPOSE OF REVIEW: This review aims to provide a contemporary perspective on the role of myocardial strain imaging in the management of patients on cardiotoxic therapy.
RECENT FINDINGS: Risk/benefit evaluation of cardiotoxic cancer treatment remains challenging, weighing life-saving cancer therapy with fatal cardiac dysfunction potentially caused by cancer therapy. The serial change in left ventricular ejection fraction (LVEF) was conventionally used for the detection of cancer therapy-related cardiac dysfunction (CTRCD). Peak systolic global longitudinal strain (GLS) by speckle-tracking echocardiography has turned into a vital pre- and post-chemotherapy assessment for the early detection of cardiotoxicity. Complexity in cardiotoxic therapy regimen, different definition of CTRCD by LVEF, variations in GLS values, timings, and variable cutoffs make it challenging to standardize the protocol for the detection of CTRCD. GLS > 15% relative reduction from baseline has been widely used. Evidence suggests that GLS could predict early subclinical LV dysfunction, and initiation of cardioprotective therapy led to less decline of LV function. Most of the studies used an echocardiographic endpoint, and the impact of GLS on the long-term clinical outcome is not established. GLS has emerged as a reliable measure to identify early subclinical LV dysfunction by detecting myocardial deformation in patients on cardiotoxic chemotherapy. To date, a significant decline in GLS suggests the initiation of cardioprotective therapy with close monitoring. Interruption of prognostically important cardiotoxic chemotherapies requires a multidisciplinary team approach guided mainly by LVEF and other clinical factors. Further randomized control trials with hard clinical endpoints and longer follow-ups may help to determine the role of GLS in CTRCD.
RECENT FINDINGS: Risk/benefit evaluation of cardiotoxic cancer treatment remains challenging, weighing life-saving cancer therapy with fatal cardiac dysfunction potentially caused by cancer therapy. The serial change in left ventricular ejection fraction (LVEF) was conventionally used for the detection of cancer therapy-related cardiac dysfunction (CTRCD). Peak systolic global longitudinal strain (GLS) by speckle-tracking echocardiography has turned into a vital pre- and post-chemotherapy assessment for the early detection of cardiotoxicity. Complexity in cardiotoxic therapy regimen, different definition of CTRCD by LVEF, variations in GLS values, timings, and variable cutoffs make it challenging to standardize the protocol for the detection of CTRCD. GLS > 15% relative reduction from baseline has been widely used. Evidence suggests that GLS could predict early subclinical LV dysfunction, and initiation of cardioprotective therapy led to less decline of LV function. Most of the studies used an echocardiographic endpoint, and the impact of GLS on the long-term clinical outcome is not established. GLS has emerged as a reliable measure to identify early subclinical LV dysfunction by detecting myocardial deformation in patients on cardiotoxic chemotherapy. To date, a significant decline in GLS suggests the initiation of cardioprotective therapy with close monitoring. Interruption of prognostically important cardiotoxic chemotherapies requires a multidisciplinary team approach guided mainly by LVEF and other clinical factors. Further randomized control trials with hard clinical endpoints and longer follow-ups may help to determine the role of GLS in CTRCD.