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首页> 外文期刊>Journal of Clinical Medicine Research >Chemotherapy Induced Cardiomyopathy: Pathogenesis, Monitoring and Management
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Chemotherapy Induced Cardiomyopathy: Pathogenesis, Monitoring and Management

机译:化学疗法诱发的心肌病:发病机制,监测和管理

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The survival rate of cancer patients has greatly increased over the last 20 years. However, to achieve this result, a considerable price has been paid in terms of the side effects associated with the intensive anticancer treatment. The most common adverse effect is cardiotoxicity which may compromise the clinical effectiveness of chemotherapy, affecting the patient’s survival and quality of life independently of the oncological prognosis. There are 2 types of cardiac toxicities, type I which is more serious and result in permanent damage to the myocardium and type II which is usually reversible. Chemotherapies varies in their incidence of inducing cardiomyopathy, and the onset which may occur acutely (during or shortly after treatment), sub-acutely (within days or weeks after completion of chemotherapy) or chronically (weeks to months after drug administration). Cardiac events associated with chemotherapy may consist of mild blood pressure changes, thrombosis, Electrocardiographic (ECG) changes, arrhythmias, myocarditis, pericarditis, myocardial infarction, cardiomyopathy, cardiac failure (left ventricular failure), and congestive heart failure (CHF).?The risk for such effects depends upon: cumulative dose, rate of drug administration, mediastinal radiation, advanced age, younger age, female gender, pre-existing heart disease and hypertension. Serial measurements of LVEF and fractional shortening are the most common indices monitored to assess left ventricular systolic function and cardiotoxicity. This can be achieved by 2-dimensional, M-mode and color Doppler echocardiographic examination; also Cardiac troponins as a biological marker for myocardial damage can be used for monitoring in patients received anthracyclines.?Angiotensin-converting enzyme (ACE) inhibitors (ACEIs) have been shown to slow the progression of left ventricular dysfunction in several different clinical settings, including anthracycline-induced cardiomyopathy. Carvedilol and probably with anti-oxidants like Probucol and vitamin E benefits also.doi:10.4021/jocmr2009.02.1225
机译:在过去的20年中,癌症患者的生存率已大大提高。然而,为了获得该结果,就与强化抗癌治疗相关的副作用而言已经付出了可观的代价。最常见的不良反应是心脏毒性,它可能会损害化学疗法的临床效果,并独立于肿瘤的预后而影响患者的生存和生活质量。心脏毒性有2种类型,一种是较严重的I型,会导致对心肌的永久性损害,另一种通常是可逆的。化学疗法诱导心肌病的发生率各不相同,其发作可能是急性的(在治疗期间或治疗后不久),亚急性的(在化疗完成后的几天或几周内)或慢性的(在给药后数周至数月)。与化疗有关的心脏事件可能包括轻度血压变化,血栓形成,心电图(ECG)变化,心律不齐,心肌炎,心包炎,心肌梗塞,心肌病,心力衰竭(左心衰竭)和充血性心力衰竭(CHF)。造成这种影响的风险取决于:累积剂量,药物施用率,纵隔放疗,老年,年轻,女性,既往心脏病和高血压。 LVEF和缩短分数的连续测量是监测以评估左心室收缩功能和心脏毒性的最常见指标。这可以通过二维,M模式和彩色多普勒超声心动图检查来实现。心肌肌钙蛋白作为心肌损伤的生物学标志物也可用于监测蒽环类药物的患者。血管紧张素转换酶(ACEI)抑制剂已显示出在几种不同的临床环境中可减慢左心功能不全的进展。蒽环类药物引起的心肌病。卡维地洛并可能与抗氧化剂如普罗布考和维生素E有益.doi:10.4021 / jocmr2009.02.1225

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