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The Bacteriological Profile of Surgical Site Infections in Orthopaedic Implant Surgeries in South-East Nigeria

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DOI: 10.4236/jbm.2019.79003    29 Downloads   74 Views


Background: Knowledge of the common bacteria that cause surgical site infection (SSI) and their antibiotic sensitivity is mandatory if treatment of surgical infection is to be successful. The threat of the emergence of resistant strains of bacteria is ever-present. Hence, a sensitivity directed therapy is paramount for the successful eradication of organisms with minimal risk of development of antibiotic resistance. Aim: The aim is to identify the common bacteria that cause SSI in orthopaedic implant surgeries in our hospital. Method: This is a prospective longitudinal study that includes all orthopaedic surgeries involving the use of implants within one year. Patients that had major orthopaedic surgeries involving implant were followed up and their wounds inspected for signs of SSI on postoperative days 3, 7, 14, 42 and 90. Wound swab was taken for microscopy, culture and sensitivity analysis from those who had wound infection, based on the CDC guidelines. Results: One-hundred and sixteen patients met our inclusion criteria and were included in the analysis. There were 62 males and 54 females. The mean age of the participant was 39.62 years (SD = 15.02 years). Fracture fixation with plates and screws was the most common implant surgery done. The incidence of SSI was 2.6%, and Escherichia coli was the most common isolated pathogen. All the SSIs were superficial incisional type, and the infection was monomicrobial in 67% of cases and polymicrobial in 33%. All of the isolated pathogens were sensitive to Imipenem and Gentamycin. Conclusion: Superficial incisional SSI is the most common type of SSI in this study. Escherichia coli is the most frequent pathogen in SSI affecting implant surgeries in our hospital. Gentamycin and Imipenem should be used for the prophylaxis of SSI in our environment.

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Okoro, K. , Ede, O. , Iyidobi, E. , Enweani, U. , Nwadinigwe, C. , Eyichukwu, G. , Anyaehie, U. , Ahaotu, F. and Ezeh, R. (2019) The Bacteriological Profile of Surgical Site Infections in Orthopaedic Implant Surgeries in South-East Nigeria. Journal of Biosciences and Medicines, 7, 19-27. doi: 10.4236/jbm.2019.79003.

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