Preoperative optimization of modifiable risk factors is associated with decreased superficial surgical site infections after total joint arthroplasty: a prospective case-control study

Authors

  • Maria Sigurdardottir Department of Anaesthesia and Intensive Care, Landspitali – The National University Hospital of Iceland, Reykjavik; Faculty of Medicine, University of Iceland, Reykjavik
  • Martin Ingi Sigurdsson Department of Anaesthesia and Intensive Care, Landspitali – The National University Hospital of Iceland, Reykjavik; Faculty of Medicine, University of Iceland, Reykjavik
  • Rafael Daniel Vias Department of Mathematics, Faculty of Physical Sciences, University of Iceland, Reykjavik
  • Yngvi Olafsson Department of Orthopeadics, Landspitali – The National University Hospital of Iceland, Reykjavik
  • Ingibjorg Gunnarsdottir Department of Clinical Nutrition, Landspitali – The National University Hospital of Iceland, Reykjavik; Faculty of Food Science and Nutrition, University of Iceland
  • Emil L Sigurdsson Faculty of Medicine, University of Iceland, Reykjavik; Development Centre for Primary Health Care, Reykjavik, Iceland
  • Sigurbergur Karason Department of Anaesthesia and Intensive Care, Landspitali – The National University Hospital of Iceland, Reykjavik; Faculty of Medicine, University of Iceland, Reykjavik

DOI:

https://doi.org/10.2340/17453674.2024.41012

Keywords:

Modifiable risk factors, Periprosthetic joint infection, Postoperative complications, Preoperative optimization, Surgical site infection, Total joint arthroplasty

Abstract

Background and purpose: The aim of our study was to investigate change in modifiable risk factors following preoperative optimization and whether risk of superficial surgical site infection (SSI) after total joint arthroplasty (TJA) could be reduced.
Methods: This is a prospective study of implementation of a preoperative optimization pathway for patients waiting for primary TJA. Information regarding the intervention arm was collected from January 2019 to January 2021, first at decision for operation and then at preoperative assessment 1 week prior to operation. The control arm was included between August 2018 and September 2020 after receiving conventional preoperative preparation and information gathered at preoperative assessment. Follow up occurred 6 weeks postoperatively for both groups. The primary outcome was postoperative superficial SSI.
Results: The optimization effort resulted in improvement of weight, anemia, HbA1c, vitamin D, and patient engagement. At preoperative assessment the baseline characteristics of the 2 groups were similar except that the intervention group had substantially more comorbidities. Regarding superficial SSI, association was found with BMI ≥ 30 and HbA1c ≥ 42 mmol/mol in the control group but not in the intervention group. When corrected for differences in ASA classification (reflecting comorbidities), age, and sex, being in the intervention group was associated with lower odds of occurrence of superficial SSI compared with the control group (OR 0.64, 95% confidence interval 0.42–0.97).
Conclusion: We showed that preoperative optimization in a structured cooperation between hospital and primary care was associated with a reduced risk of superficial SSI.

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References

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Published

2024-07-17

How to Cite

Sigurdardottir, M., Sigurdsson, M. I., Vias, R. D., Olafsson, Y., Gunnarsdottir, I., Sigurdsson, E. L., & Karason, S. (2024). Preoperative optimization of modifiable risk factors is associated with decreased superficial surgical site infections after total joint arthroplasty: a prospective case-control study. Acta Orthopaedica, 95, 392–400. https://doi.org/10.2340/17453674.2024.41012