Figure 6 The decrease of the short
axis radial strain firstly appeared in the left ventricular anterior
wall, lateral wall and posterior wall, while the decrease of the short
axis circumferential strain firstly appeared in the left ventricular
anterior wall. (n=10) A: The short axis radial strain of ant. free wall.
B: The short axis radial strain of lateral wall. C: The short axis
radial strain of posterior wall. D: The short axis radial strain of inf.
free wall. E: The short axis radial strain of post. septal wall. F: The
short axis radial strain of anterior septum. G: The short axis
circumferential strain of ant. free wall. H: The short axis
circumferential strain of lateral wall. I: The short axis
circumferential strain of posterior wall. J: The short axis
circumferential strain of ant. base. K: The short axis circumferential
strain of post. septal wall. L: The short axis circumferential strain of
anterior septum. 5-FU + BEV group: 5-fluorouracil + bevacizumab group.
*: P <0.05.
In the aspect of strain rate, the
long axis radial strain rate of each segment of left ventricle was
significantly different on the 7th day, slightly lower than that of the
control group on the 14th day. The long axis longitudinal strain rate of
left ventricle was slightly lower than that of the control group on the
14th day, in which the decrease of left ventricular apical segment was
larger than that of the middle segment and basal segment, but there was
no statistical difference (P >0.05). The short axis
radial strain rate of left ventricular anterior wall, posterior wall,
inferior wall and anterior interval was lower than that of the control
group on the 14th day, but there was no significant difference in the
left ventricular lateral wall and posterior septum. The short axis
circumferential strain rate of each segment of the left ventricle
decreased in different degrees on the 7th and 14th day, but there was no
statistical difference (P >0.05). As figure 7 and 8.