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- Title
Clostridium difficile infection in the USA: incidence and associated factors in revision total knee arthroplasty patients.
- Authors
Gwam, Chukwuweike U.; George, Nicole E.; Etcheson, Jennifer I.; Tarazi, John M.; Han, Ga-ram; Griffith, Korie M. E.; Mont, Michael A.; Delanois, Ronald E.
- Abstract
Introduction: Revision total knee arthroplasty (TKA) procedures performed secondary to periprosthetic joint infection (PJI) are associated with significant morbidity and mortality. These poor outcomes may be further complicated by postoperative infection requiring antibiotics. However, antibiotic overuse may suppress patients' bacterial flora, leading to Clostridium difficile infection (CDI). Therefore, we aimed to study the: (1) incidence; (2) costs; and (3) risk factors associated with CDI in revision TKA patients.Methods: The National Inpatient Sample database was queried for individuals diagnosed with PJI who underwent revision TKA between 2009 and 2013 (n = 83,806). Patients who developed CDI during their inpatient stay were identified (n = 799). Logistic regression analysis was conducted to assess the association between hospital- and patient-specific characteristics and the development of CDI.Results: The incidence of CDI after revision TKA was 1.0%. These patients were older (mean age 69.05 vs. 65.52 years), had greater LOS (median 11 vs. 5 days) and greater costs ($30,612.93 vs. 18,873.75), and experienced higher in-hospital mortality (3.6 vs. 0.5%; p < 0.001 for all) compared to those without infection. Patients with CDI were more likely to be treated in urban, not-for-profit, medium/large hospitals in the Northeast or Midwest (p < 0.05 for all) and to have underlying depression (OR 4.267; p = 0.007) or fluid/electrolyte disorders (OR 3.48; p = 0.001).Conclusion: Although CDI is rare following revision TKA, it can have detrimental consequences. We demonstrate that CDI is associated with longer LOS, higher costs, and greater in-hospital mortality. With increased legislative pressure to lower healthcare expenditures, it is crucial to identify means of preventing costly complications.
- Subjects
UNITED States; CLOSTRIDIUM disease treatment; CLOSTRIDIUM diseases; MENTAL depression; LENGTH of stay in hospitals; INFECTION; MEDICAL care costs; METROPOLITAN areas; NONPROFIT organizations; COMPLICATIONS of prosthesis; REOPERATION; RISK assessment; SURGICAL complications; TOTAL knee replacement; WATER-electrolyte imbalances; LOGISTIC regression analysis; DESCRIPTIVE statistics; HOSPITAL mortality; ODDS ratio; DISEASE risk factors
- Publication
European Journal of Orthopaedic Surgery & Traumatology, 2019, Vol 29, Issue 3, p667
- ISSN
1633-8065
- Publication type
Article
- DOI
10.1007/s00590-018-2319-3