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Nikolay et al. Vessel Plus 2018;2:35 I http://dx.doi.org/10.20517/2574-1209.2018.45 Page 3 of 8

Table 1. Patient characteristics and concomitant disease
Criteria OO EP HS P
Sex, female, n (%) 26 (26.53%) 50 (43.1%) 12 (30.77%) 0.03
Age, year 70.47 ± 9.1 65.87 ± 10.3 65.45 ± 11.9 0.001
Diabetes, n (%) 37 (37.76%) 13 (11.21%) 10 (25.64%) 0.001
Hypertonic disease (HD), n (%) 85 (86.73%) 101 (87.07%) 28 (71.79%) 0.06
2 stage of HD, n (%) 59 (60.20%) 74 (75.51%) 23 (58.97%) 0.43
3 stage of HD, n (%) 23 (23.47%) 20 (17.24%) 5 (12.82%)
CHF*, n (%) 37 (37.76%) 89 (76.72%) 17 (43.59%) 0.001
CHF, 2st by NYHA, n (%) 23 (23.47%) 72 (62.07%) 10 (25.64%) 0.08
CHF, 3st by NYHA, n (%) 11 (11.23%) 17 (14.65%) 7 (17.95%)
CAD*, n (%) 81 (82.65%) 104 (89.66%) 28 (71.79%) 0.10
CAD, F/Class 1-2, n (%) 60 (61.23%) 61 (52.59%) 14 (35.89%) 0.075
CAD, F/Class 3-4, n (%) 21 (21.43%) 43 (37.07%) 10 (25.64%)
Myocardial infarction, n (%) 8 (8.16%) 9 (7.76%) 12 (30.77%) 0.001
Chronic kidney disease, n (%) 21 (21.43%) 23 (19.83%) 6 (15.38%) 0.72
Smoking, n (%) 69 (70.41%) 58 (50%) 10 (25.64%) 0.001
CVD*, n (%) 27 (27.55%) 45 (38.79%) 7 (17.95%) 0.009

*CVD: cerebrovascular disease; CHF: chronic heart failure; NYHA: New York Heart Association; CAD: coronal arterial disease; OO: open
operative; EP: endovascular procedures; HS: hybrid surgery techniques

Table 2. Surgical interventions
Type of surgery OO EP HS
Superficial femoral artery loop endartherectomy 27 - 2
Femoro-popliteal bypass above knee 17 - 30
Femoro-popliteal bypass under knee 49 - 7
Femoro-tibial bypass 5 - -
Balloon angioplasty of the superficial femoral artery, popliteal or tibial arteries - 116 39
OO: open operative; EP: endovascular procedures; HS: hybrid surgery techniques

following criteria were assessed: the primary patency of the operated segment, the incidence of complications
(thrombosis of the surgical site, bleeding, infectious complications, myocardial infarction, stroke, acute renal
failure), the need for re-intervention on the operated segment and the number of amputations in the first 30
days after primary intervention.

Statistical processing of the obtained results was carried out using the Stata Statistica 10 data analysis
package. We used the Kolmogorov-Smirnov criterion for determining the normality of the quantitative
data distribution. The quantitative characteristics were presented in the following form: mean ± standard
deviation. The identification of differences between groups was detected using the nonparametric Mann-
Whitney U test (t-test). The description of qualitative features was carried out in the form of relative
frequencies and expressed as a percentage. The reliability of the distribution of qualitative characteristics was
2
determined using the χ criterion. Differences between groups are considered reliable at P < 0.05.
RESULTS
Among the patients from the EP group, the greatest number of people with CHF and cerebrovascular
disease were present. The group with hybrid operations contained the greatest proportion of people with
postinfarction cardiosclerosis, that indicating a minimal invasive of this intervention. Among patients with
open reconstruction were persons of the oldest age, and they were associated with a significant degree of
calcification and prolonged occlusive-stenotic lesion [Table 1].

The degree of ischemia and features of atherosclerotic lesions were differentiated based on Transatlantic
Intersociety Classification II (TASC II) in Figures 1 and 2.