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The Effects of Postoperative Trimetazidine Treatment on Ischemia-Reperfusion Injury after Isolated Surgical Myocardial Revascularization

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30 sept. 2024
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hs-TNT levels in the two groups

Variable Study group (n = 45) Control group (n = 45) p value
12 h before surgery (%) 19.9 ± 1.1 (18.3–22.1) 20.5 ± 2.1 (18.3–31.1) >0.05
12 h after surgery (%) 187.2 ± 8.9 (165–206) 186.8 ± 12.5 (166–221) >0.05
6 months after surgery (%) 19.4 ± 1.1 (17.9–22) 19.6 ± 1.2 (18.1–22.3) >0.05

MDA levels in the two groups

Variable Study group (n = 45) Control group (n = 45) p value
12- h before surgery (µmol/ml) 236 ± 11 (223–243) 232 ± 12 (219–244) >0.05
12- h after surgery (µmol/ml) 287 ± 18 (269–303) 284 ± 20 (264–300) >0.05
1- month after surgery (µmol/ml) 227 ± 9 (211–233) 270 ± 14 (260–282) <0.05
6- months after surgery (µmol/ml) 211 ± 7 (205–216) 231 ± 13 (221–239) <0.05

Postoperative data

Variable Study group (n = 45) Control group (n = 45) p value
Cardiac ward stay (h) 23.4 ± 2.9 (17–29) 23.3 ± 2.6 (18–28) >0.05
In-hospital stay (days) 6.8 ± 0.8 (5–8) 7.1 ± 0.7 (5–8) <0.05
Total blood loss (ml) 255.7 ± 60.6 (170–410) 276 ± 66.2 (180–440) >0.05

Intraoperative data

Variable Study group (n = 45) Control group (n = 45) p value
CPB time (min), mean ± s.d. (range) 43.7 ± 3.3 (38–51) 43.5 ± 3.8 (38–55) >0.05
Aortic cross-clamp time (min), mean ± s.d. (range) 27.4 ± 2.5 (22–31) 28.2 ± 2.7 (21–34) >0.05
Number of bypass grafts performed, n 135 135 >0.05
Venous bypass grafts, n 90 90 >0.05
Off-pump procedures, n nil nil

Demographic and preoperative characteristics

Variable Study group (n = 45) Control group (n = 45) p value
Male sex, n (%) 34 (75.6%) 33 (73.3%) >0.05
Age (years) 62.97±9.45 (55–72) 64.18±6.54 (52–75) >0.05
BMI 29.3 (23.1–32.4) 29.6 (24.2–31.9) >0.05
Diabetes type 2, n (%) 45 (100%) 45 (100%) >0.05
Arterial hypertension, n (%) 31 (68.8%) 29 (64%9) >0.05
Hyperlipidemia, n (%) 30 (66.6%) 31 (68.8%) >0.05
Elective surgery, n (%) 45 (100%) 45 (100%) >0.05
Patients with implanted stents, n (%) 11 (24%) 14 (31%) >0.05
Total number of stents deployed, n 16 19 >0.05
EuroSCORE II, mean ± s.d. 1.6 ± 0.4 1.5 ± 0.7 >0.05

LVEF in the two groups

Variable Study group (n = 45) Control group (n = 45) p value
12 h before surgery (%) 44.1 ± 0.2 (41–51) 45.2 ± 2.7 (41–51) >0.05
1 h after surgery (%) 43.8 ± 5.7 (38–48) 44.6 ± 3.2 (39–51) >0.05
On discharge (%) 47.5 ± 2.8 (43–53) 47.8 ± 2.9 (43–55) >0.05
6 months after surgery (%) 54.4 ± 3.2 (48–62) 53.9 ± 3.0 (49–57) >0.05

CK-MB levels in the two groups

Variable Study group (n = 45) Control group (n = 45) p value
12 h before surgery (%) 2.9 ± 0.2 (2.4–3.6) 2.9 ± 0.2 (2.4–3.5) >0.05
12 h after surgery (%) 37.9 ± 5.7 (29–49) 37 ± 5.9 (27–49) >0.05
6 months after surgery (%) 3.1 ± 0.4 (2.1–3.8) 3.2 ± 0.3 (2.7–3.8) >0.05