>Year 2011, Issue 3
Noriega-Salas AL, Sánchez-López-López MÁ, Esperón LGI, Trejo SJ
Application of 2% lidocaine on subcutaneous cell tissue of clean-contaminated and contaminated surgical wounds to diminish the incidence of infection
Cir Gen 2011; 33 (3)
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Objective: To demonstrate that the application of 2% lidocaine on the subcutaneous tissue of surgical clean-contaminated and contaminated wounds diminishes the infection risk.
Setting: Hospital General “Xoco”, second level health care hospital.
Design: Non-controlled, simple, randomized clinical assay.
Statistical analysis: Fisher’s exact test, and Student’s t test.
Patients and methods: A simple randomized assignation was used for two groups of patients. One group of 11 patients was applied 10 ml of 2% lidocaine on the subcutaneous tissue of the wound, and the other group of 11 patients received 0.9% saline solution; all 22 patients had clean-contaminated and contaminated surgical wounds. Surgical wounds were checked 7 days after surgery, and the studied variables were age, gender, presence or not of infection on the superficial surgical site.
Results: No infection was observed in the 11 patients in whom 2% lidocain had been applied, whereas 3 patients from the 0.9% saline solution group presented infection of the surgical wound, with a statistically significant difference of P ‹ 0.05 between both groups.
Conclusion: A statistically significant diminution was observed in the frequency of infection at the surgical clean-contaminated and contaminated wounds when applying 2% lidocaine, as compared to not applying it.
||Lidocaine, surgical infections, prevention.
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>Year 2011, Issue 3