Wound infections after cardiac surgery--a wound scoring system may improve early detection |
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Authors: | Tegnell Anders Arén Claes Ohman Lena |
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Institution: | Department of Health and Environment, Faculty of Health Sciences, Link?ping University, Sweden. Anders.Tegnell@inf.liu.se |
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Abstract: | OBJECTIVE: This study was aimed at describing the early development of wound infections after cardiac surgery to identify markers for upcoming infections. DESIGN: We followed a cohort of 200 patients for 3 months after cardiac surgery to establish the incidence of all types of postoperative infections. Wound healing and C-reactive protein (CRP) were followed for the first 2 weeks. RESULTS: A total of 175 patients out of 200 could be followed up. Using a broad definition of wound infection a total of 30% of the patients had some kind of wound infection. The diagnosis of most infections occurred after the patients had left the cardiac surgery unit (median 12 d after surgery). Our wound scoring method shows significant differences at an early stage between infected and non-infected wounds. At the time of diagnoses CRP was elevated in patients with deep sternal infection. CONCLUSION: A long follow-up period is needed to establish the true incidence of infection. Wound scoring can give an early indication of wound infections and CRP can help in the diagnoses of deep infections. |
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