Early effects of adjuvant breast cancer radiotherapy on right ventricular systolic and diastolic function.

Abstract:

AIM:Reduced right ventricular (RV) systolic function correlates with poor prognosis in several heart diseases. The aim of this prospective single-Center study was to investigate whether conformal three-dimensional (3D) breast cancer radiotherapy impairs RV function. PATIENTS AND METHODS:Forty-nine patients with early-stage left-sided breast cancer underwent comprehensive two-dimensional (2D) echocardiography before and after radiotherapy. RV function was evaluated with tricuspid annular plane systolic excursion (TAPSE), pulsed tissue Doppler peak velocity at the lateral RV wall (S') and RV and venous flow analysis. RESULTS:Radiotherapy reduced TAPSE from 24.5 ± 4.0 mm to 22.4 ± 3.9 mm (p<0.001), S' from 12.7 ± 3.1 m/s to 12.2 ± 2.7 m/s (p=0.11) and pulmonary flow velocity time integral (VTI) from 16.6 ± 3.1 cm to 15.9 ± 2.3 cm (p=0.07), respectively. These changes were unrelated to changes in LV function. CONCLUSION:Modern radiotherapy reduced RV systolic function. As a readily-available and sensitive measurement, TAPSE is as a practical tool for detection of radiotherapy-induced cardiac changes.

journal_name

Anticancer Res

journal_title

Anticancer research

authors

Tuohinen SS,Skyttä T,Virtanen V,Luukkaala T,Kellokumpu-Lehtinen PL,Raatikainen P

subject

Has Abstract

pub_date

2015-04-01 00:00:00

pages

2141-7

issue

4

eissn

0250-7005

issn

1791-7530

pii

35/4/2141

journal_volume

35

pub_type

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