Early Detection of Anthracycline-Induced Cardiotoxicity in Female Breast Cancer Patients Using Speckle Tracking Echocardiography in an African Tertiary Institution.

Q4 Medicine
West African journal of medicine Pub Date : 2024-12-30
O A Orimolade, O S Ogah, A Adebiyi, A Aje, O M Adebayo, A Oguntade, T O Ogundiran
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Abstract

Background: Although, survival rates have improved in breast cancer care, cardiotoxicity from chemotherapy used for breast cancer has emerged as an important cause of morbidity in these individuals. This study evaluated early myocardial dysfunction using two-dimensional (2D) speckle tracking echocardiography in breast cancer patients treated with anthracyclines.

Methodology: Sixty-two patients with anthracycline naïve breast cancer and 62 controls were studied. All patients were treated with standard regimens containing epirubicin. Echocardiography was done at three time points (baseline, one month and three months). Left ventricular ejection fraction and global longitudinal strain were measured.

Results: The mean age of the subjects was 47.6±10.46 years, obesity was the most common co-morbidity (27.4%) followed by hypertension (14.5%). Over the three month-follow-up period, the left atrial volume increased from 21.4±6.90mls/m2 at baseline to 24.8±6.38mls/m2, the mean left ventricular ejection fraction decreased from 62.4±9.35% at baseline to 54.8±7.22%, and the average left ventricular global longitudinal strain decreased from -19.0±5.91% at baseline to -16.1±3.70% by three month-follow-up. The percentage change in GLS at one month was 15.98% compared to 4.06% change in ejection fraction at one month follow-up. Thirty-five patients (56.5%) developed cardiotoxicity; however, no significant predictor of cardiotoxicity was noted.

Conclusion: This study showed reduced left ventricular ejection fraction, reduced left ventricular global longitudinal strain, and increased left atrial volume over a period of three months in breast cancer patients treated with anthracycline-based chemotherapy. It also confirms the usefulness of speckle tracking echocardiography in evaluating breast cancer patients pre-, intra-, and post-chemotherapy.

在非洲高等教育机构使用斑点跟踪超声心动图早期检测蒽环类药物诱导的女性乳腺癌患者心脏毒性。
背景:虽然乳腺癌治疗的生存率有所提高,但乳腺癌化疗的心脏毒性已成为这些个体发病的重要原因。本研究利用二维斑点跟踪超声心动图评估蒽环类药物治疗乳腺癌患者的早期心肌功能障碍。方法:对62例蒽环类药物naïve乳腺癌患者和62例对照组进行研究。所有患者均采用含表柔比星的标准方案治疗。在三个时间点(基线、1个月和3个月)进行超声心动图检查。测量左心室射血分数和整体纵向应变。结果:患者平均年龄为47.6±10.46岁,以肥胖居多(27.4%),其次为高血压(14.5%)。随访3个月,左房容积由基线时的21.4±6.90mls/m2增加到24.8±6.38mls/m2,平均左室射血分数由基线时的62.4±9.35%下降到54.8±7.22%,平均左室总纵应变由基线时的-19.0±5.91%下降到-16.1±3.70%。1个月GLS变化百分比为15.98%,而1个月随访时射血分数变化百分比为4.06%。35例(56.5%)出现心脏毒性;然而,没有注意到心脏毒性的显著预测因子。结论:本研究显示,在接受蒽环类药物化疗的乳腺癌患者中,左心室射血分数降低,左心室总纵应变降低,左心房容积增加,持续时间为3个月。它也证实了斑点跟踪超声心动图在评估乳腺癌患者化疗前、化疗中和化疗后的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
West African journal of medicine
West African journal of medicine Medicine-Medicine (all)
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