期刊
JOURNAL OF DIABETES AND ITS COMPLICATIONS
卷 28, 期 6, 页码 844-849出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jdiacomp.2014.07.013
关键词
Wound healing; Hyperglycemia; Plasminogen activation; Wound fluid; Diabetes
资金
- Dokuz Eylul University Scientific Research Program (DEUSAG)
Aims: Wounds in patients with hyperglycemia show impaired healing. Plasminogen activation is crucial in several overlapping phases of wound healing process. In this study, we aimed i) to compare acute wound fluid in patients with hyperglycemia and normoglycemia, ii) to focus on the elements of plasminogen activation in the wound fluid, and iii) to determine if the acute wound fluid characteristics are associated with surgical site infections. Methods: In a cohort of 54 patients, a closed suction drain was placed in the wound above the anterior abdominal wall fascia under the skin in order to collect postoperative acute wound fluid samples for 3 following days after colorectal surgery. Patients were classified as normoglycemic (n = 25) or hyperglycemic (n = 29; 17 with type 2 diabetes and 12 with stress induced hyperglycemia). Surgical site infection was defined according to the Centers for Disease Control criteria. The levels of urokinase-type plasminogen activator (uPA), urokinase-type plasminogen activator receptor (uPAr), plasminogen activator inhibitor-1 (PAI-1), interleukin-1 beta (IL-1 beta), tumor necrosis factor-alpha (TNF-alpha), and fibroblast growth factor-1 (FGF-1) were measured in the wound fluid. Results: Compared to normoglycemic subjects, patients with hyperglycemia had significantly lower levels of uPA and uPAr in the wound fluid despite similar or even higher circulating levels. There was no significant difference in IL-1 beta, TNF-alpha, PAI-1 and FGF-1 levels. In the whole study population, the wound fluid levels of uPA and uPAr were negatively correlated with circulating glucose levels. No difference was detected in the wound fluid characteristics of patients with and without surgical site infection. Conclusion: Patients with hyperglycemia exhibit decreased levels of uPA and uPAr in the wound fluid, suggesting a local failure in plasminogen activation at the wound site. (C) 2014 Elsevier Inc. All rights reserved.
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