Research Article

Right Ventricular Dysfunction in Patients Experiencing Cardiotoxicity during Breast Cancer Therapy

Table 5

Ventricular function parameters at the time of cardiotoxicity and at follow-up () in patients with and without left ventricular ejection fraction recovery to ≥55%.

(+) LV recovery
(−) LV recovery

Left ventricle
 Baseline EF
  by MUGA (%)
62 ± 861 ± 4
 Cardiotoxicity EF
  by MUGA (%)
49 ± 345 ± 3
 Cardiotoxicity EF
  by ECHO (%)
49 ± 644 ± 6
 Post-treatment EF
  by ECHO (%)
59 ± 248 ± 6
 Cardiotoxicity
  GLS
−15.6 ± 2.8−15.0 ± 1.9
 Post-treatment
  GLS
−19.8 ± 2.3−16.0 ± 1.8
Right ventricle
 Baseline EF
  by MUGA (%)
48 ± 348 ± 4
 Cardiotoxicity EF
  by MUGA (%)
41 ± 542 ± 4
 Cardiotoxicity FAC
  by ECHO (%)
45 ± 342 ± 9
 Post-treatment FAC
  by ECHO (%)
54 ± 443 ± 8
 Cardiotoxicity
  RVFWLS
−25.3 ± 2.2−24.8 ± 4.6
 Post-treatment
  RVFWLS
−32.1 ± 5.3−23.4 ± 3.8
 Cardiotoxicity
  RVGLS
−21.1 ± 1.8−20.2 ± 2.8
 Post-treatment
  RVGLS
−24.6 ± 3.7−22.1 ± 4.9

Abbreviations as per Table 2; recovery is defined as an LVEF ≥55% at last follow-up.