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Combined Echocardiography Approach may timely diagnose CTRCD in breast cancer patients: JAMA

Dr. Shravani DaliWritten by Dr. Shravani Dali Published On 2022-02-19T09:00:49+05:30  |  Updated On 19 Feb 2022 9:01 AM IST
Combined Echocardiography Approach may timely diagnose CTRCD in breast cancer patients: JAMA
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A Combined Echocardiography Approach for the Diagnosis of Cancer Therapy–Related Cardiac Dysfunction in Women With Early-Stage Breast Cancer is beneficial, according to a recent study published in the JAMA Cardiology.

Diagnosis of cancer therapy-related cardiac dysfunction (CTRCD) remains a challenge. Cardiovascular magnetic resonance (CMR) provides accurate measurement of left ventricular ejection fraction (LVEF), but access to repeated scans is limited.

A study was conducted to develop a diagnostic model for CTRCD using echocardiographic LVEF and strain and biomarkers, with CMR as the reference standard.

In this prospective cohort study, patients were recruited from the University of Toronto–affiliated hospitals from November 2013 to January 2019 with all cardiac imaging performed at a single tertiary care centre. Women with human epidermal growth factor receptor 2 (HER2)–positive early-stage breast cancer were included. The main exclusion criterion was a combining echocardiographic 3-D LVEF with 2-D GLS and 2-D GCS may provide a timely diagnosis of CTRCDcontraindication to CMR. A total of 160 patients were recruited, 136 of whom completed the study.

Patients underwent echocardiography, high-sensitivity troponin I (hsTnI), B-type natriuretic peptide (BNP), and CMR studies preanthracycline and postanthracycline every 3 months during and after trastuzumab therapy. Echocardiographic measures included 2-dimensional (2-D) LVEF, 3-D LVEF, peak systolic global longitudinal strain (GLS), and global circumferential strain (GCS). LVEF CTRCD was defined using the Cardiac Review and Evaluation Committee Criteria, GLS or GCS CTRCD as a greater than 15% relative change, and abnormal hsTnI and BNP as greater than 26 pg/mL and ≥ 35 pg/mL, respectively, at any follow-up point. Combinations of echocardiographic measures and biomarkers were examined to diagnose CMR CTRCD using conditional inference tree models.

Results:

Among 136 women (mean [SD] age, 51.1 [9.2] years), CMR-identified CTRCD occurred in 37 (27%), and among those with analyzable images, in 30 of 131 (23%) by 2-D LVEF, 27 of 124 (22%) by 3-D LVEF, 53 of 126 (42%) by GLS, 61 of 123 (50%) by GCS, 32 of 136 (24%) by BNP, and 14 of 136 (10%) by hsTnI. In isolation, 3-D LVEF had greater sensitivity and specificity than 2-D LVEF for CMR CTRCD while GLS had greater sensitivity than 2-D or 3-D LVEF. Regression tree analysis identified a sequential algorithm using 3-D LVEF, GLS, and GCS for the optimal diagnosis of CTRCD (area under the receiver operating characteristic curve, 89.3%). The probability of CTRCD when results for all 3 tests were negative was 1.0%. When 3-D LVEF was replaced by 2-D LVEF in the model, the algorithm still performed well; however, its primary value was to rule out CTRCD. Biomarkers did not improve the ability to diagnose CTRCD.

Thus, using CMR CTRCD as the reference standard, these data suggest that a sequential approach combining echocardiographic 3-D LVEF with 2-D GLS and 2-D GCS may provide a timely diagnosis of CTRCD during routine CTRCD surveillance with greater accuracy than using these measures individually.

Reference:

A Combined Echocardiography Approach for the Diagnosis of Cancer Therapy–Related Cardiac Dysfunction in Women With Early-Stage Breast Cancer by Maryam Esmaeilzadeh, et al. published in the JAMA Cardiology.

https://jamanetwork.com/journals/jamacardiology/fullarticle/2788571?guestAccessKey=59e41b9d-07e7-4b73-8eb3-df28ce8c0fc2&utm_source=silverchair&utm_medium=email&utm_campaign=article_alert-jamacardiology&utm_content=olf&utm_term=020922



JAMA Cardiologyechocardiographycardiac dysfunctionBreast CancerEarly-Stage Breast Cancerwomen
Source : JAMA Cardiol
Dr. Shravani Dali
Dr. Shravani Dali

    Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.

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