Hospitalization before surgery increases risk for postoperative infections

Marta Kelava, Michael Robich, Penny L. Houghtaling, Joseph F. Sabik, Steven Gordon, Tomislav Mihaljevic, Eugene H. Blackstone, Colleen G. Koch

Research output: Contribution to journalArticle

Abstract

Methods: A total of 32,707 patients underwent cardiac surgery from January 1, 2000, to January 1, 2011. Forty percent (13,107) were hospitalized before their surgery date or were transfers from other health care facilities, and 60% (19,600) were same-day admissions. The primary outcome consisted of a composite infection: pneumonia, sepsis, surgical site infection, and urinary tract infection. The secondary outcome was in-hospital death. The propensity method was used to compare infectious complications and mortality between groups.

Results: Overall infectious complications occurred in 2327 patients (7.1%). Overall composite and individual infections decreased over the study period (P for trend .0001). Among 7814 propensity-matched pairs, 522 infections (6.7%) occurred in the same-day admission group versus 676 (8.7%) in the prior hospitalization group, P.0001. In-hospital mortality was 1.5% (n = 120) for the same-day admission group versus 2.8% (n = 221) for the prior hospitalization group (P < .0001).

Conclusions: Although the risk of infection decreased over time, the relationship between exposure to a health care facility before surgical intervention and higher infection risk remained substantial. Further investigation into processes of care surrounding infection control is necessary to reduce postoperative infections and associated morbidity.

Objectives: Exposure to a health care facility before surgery may increase risk for postoperative infections. Our objectives were to (1) determine whether the prevalence of postoperative infections was higher among patients who were hospitalized before cardiac surgery, (2) identify risk factors for infection, and (3) evaluate in-hospital outcomes.

Original languageEnglish (US)
Pages (from-to)1615-1621.e3
JournalJournal of Thoracic and Cardiovascular Surgery
Volume148
Issue number4
DOIs
StatePublished - Oct 1 2014
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Pulmonary and Respiratory Medicine
  • Cardiology and Cardiovascular Medicine

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    Kelava, M., Robich, M., Houghtaling, P. L., Sabik, J. F., Gordon, S., Mihaljevic, T., Blackstone, E. H., & Koch, C. G. (2014). Hospitalization before surgery increases risk for postoperative infections. Journal of Thoracic and Cardiovascular Surgery, 148(4), 1615-1621.e3. https://doi.org/10.1016/j.jtcvs.2014.06.067