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Observational Study
. 2023 Nov;20(9):3514-3522.
doi: 10.1111/iwj.14224. Epub 2023 May 8.

Surgical site infection in skin surgery-An observational study

Justin Gabriel Schlager  1 , Kathrin Patzer  1 , Jens Wallmichrath  1 , Lars E French  1   2 , Elena Kunrad  1 , Sophia Schlingmann  1 , Daniel Stiefel  1 , Benjamin Kendziora  1 , Daniela Hartmann  1
Affiliations
Observational Study

Surgical site infection in skin surgery-An observational study

Justin Gabriel Schlager et al. Int Wound J. 2023 Nov.

Abstract

Background: Surgical site infection (SSI) has a significant impact on patients' morbidity and aesthetic results.

Objective: To identify risk factors for SSI in dermatologic surgery.

Patients and methods: This prospective, single-centre, observational study was performed between August 2020 and May 2021. Patients that presented for dermatologic surgery were included and monitored for the occurrence of SSI. For statistical analysis, we used a mixed effects logistic regression model.

Results: Overall, 767 patients with 1272 surgical wounds were included in the analysis. The incidence of SSI was 6.1%. Significant risk factors for wound infection were defect size over 10cm2 (OR 3.64, 95% confidence interval [CI] 1.80-7.35), surgery of cutaneous malignancy (OR 2.96, CI 1.41-6.24), postoperative bleeding (OR 4.63, CI 1.58-13.53), delayed defect closure by local skin flap (OR 2.67, CI 1.13-6.34) and localisation of surgery to the ear (OR 7.75, CI 2.07-28.99). Wound localisation in the lower extremities showed a trend towards significance (OR 3.16, CI 0.90-11.09). Patient-related factors, such as gender, age, diabetes, or immunosuppression, did not show a statistically significant association with postoperative infection.

Conclusion: Large defects, surgery of cutaneous malignancy, postoperative bleeding, and delayed flap closure increase the risk for SSI. High-risk locations are the ears and lower extremities.

Keywords: antibiotic prophylaxis; dermatologic surgical procedures; prospective studies; surgical wound infection; wound closure techniques.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

FIGURE 1
FIGURE 1
Flowchart of the study sample.
FIGURE 2
FIGURE 2
Forest plot illustrating the odds ratios derived by the final mixed effects model.
See this image and copyright information in PMC

References

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