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• W138123920 abstract "Wound healing impairment in the leg after removal of the saphenous vein within the framework of a coronary artery bypass graft (CABG) operation represents a clinically significant problem. Patients suffer from this complication, and treatment of the wounds is costly in terms of both time and money. No method is known to date that reliably prevents postoperative wound healing disturbances. The effect of autologous platelet gel to stimulate wound healing is known from various medical disciplines. Within a prospective randomized study, we wanted to determine whether intraoperative use of autologous platelet gel on the leg during a CABG operation could reduce the incidence of postoperative wound healing disturbances. The application group (AG) included 35 patients and was compared to a control group (CG) that also had 35 patients. The platelet gel, as well as the thrombin required to activate the platelets, was prepared from autologous patient blood during the operation. Validation of the platelet gel comprised measurement of the growth factors platelet-derived growth factor AB (PDGF AB) and epidermal growth factor (EGF), as well as the thrombocyte and leukocyte counts. Wound healing was photographically documented after surgery, and the patients were contacted by telephone on day 50 after surgery to obtain information on wound healing status. After cell separation, the platelet count was 1616 +/- 845/microL, which is higher than in whole blood by a factor of 7.1 +/- 2.0, with a platelet yield of 47.0% +/- 13.2%. The PDGF AB concentration after activation of the platelets was raised by a median factor of 158 and EGF by a median factor of 64 compared with whole blood. During the primary clinical stay, no statistically significant differences were recorded in the number of hematomas, postoperative leg swelling, or pain level. Large-area hematomas were less frequent in the application group (AG, 29.4% vs. CG, 60%, p = .007). In the follow-up 51 +/- 9 days after surgery, 17.6% (6/34) of the patients from the AG and 31.4% (11/35) of the patients from the CG showed leg wound healing disturbances (p = .184). Using the cell separation system, a biological product that contains high concentrations of platelets, leukocytes, and growth factors can be prepared reproducibly. Despite optimum application of the autologous platelet gel to the wound, no clinically relevant differences were found between the groups, either during the primary clinic stay or in the follow-up period." @default.
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• W138123920 date "2008-09-01" @default.
• W138123920 modified "2023-10-06" @default.
• W138123920 title "Autologous Platelet Gel Fails to Show Beneficial Effects on Wound Healing after Saphenectomy in CABG Patients" @default.
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• W138123920 doi "https://doi.org/10.1051/ject/200840196" @default.
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