Abstract
Determination of predictors that can affect development of atherosclerosis progression in the postoperative period is an urgent problem in vascular surgery. Integrated assessment of markers of apoptosis and cell proliferation in atherosclerotic lesions and their progression after surgery in patients with peripheral arterial diseases. The investigation included 30 patients with stage IIB-III peripheral arterial disease. All patients have undergone open surgical interventions on the arteries of the aorto-iliac and femoral-popliteal segments. During these interventions, intraoperative specimens were obtained from the vascular wall with atherosclerotic lesions. The following values were evaluated: VEGF А165, PDGF BB, and sFas. Samples of normal vascular wall were obtained from post-mortem donors and used as a control group. The levels of Bax and p53 were increased (p<0.001) in samples from arterial wall with atherosclerotic plaque, while sFas values were reduced (p<0.001), compared to their levels in control samples. Values of PDGF BB and VEGF A165 were 1.9 and 1.7 times higher in atherosclerotic lesion samples (p=0.001), in comparison with the control group. The levels of p53 and Bax were increased against a background of reduced sFas levels in samples with progression of atherosclerosis compared to their baseline values in samples with atherosclerotic plaque (p<0.05). Initially increased values of the Bax marker against a background of reduced sFas values in vascular wall samples from patients with peripheral arterial disease is associated with risk of atherosclerosis progression in the postoperative period.
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