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Management of a large tuberculosis contact investigation related to a contaminated bone graft product used in spinal surgery
- Marci Drees, Lija Gireesh, Carol Briody, Charlotte Miller, Emily Hanlin, Ruoran Li, William Wilson, Noah Schwartz, Isaac Benowitz, Janet Glowicz, Tabe Mase
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- Journal:
- Antimicrobial Stewardship & Healthcare Epidemiology / Volume 2 / Issue S1 / July 2022
- Published online by Cambridge University Press:
- 16 May 2022, p. s57
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Background: In March–April 2021, 23 patients at a 906-bed hospital in Delaware had surgical implantation of a bone graft product contaminated with Mycobacterium tuberculosis; 17 patients were rehospitalized for surgical site infections and 6 developed pulmonary tuberculosis. In May 2021, we investigated this tuberculosis outbreak and conducted a large, multidisciplinary, contact investigation among healthcare personnel (HCP) and patients potentially exposed over an extended period in multiple departments. Methods: Exposed HCP were those identified by their managers as present, without the use of airborne precautions, in operating rooms (ORs) during index spine surgeries or subsequent procedures, the postanesthesia care unit (PACU) when patients had draining wounds, inpatient rooms when wound care was performed, and the sterile processing department (SPD) on the days repeated surgeries were performed. We created and assigned an online education module and symptom screening questionnaire to exposed HCP. Employee health services (EHS) instituted a dedicated phlebotomy station to provide interferon-γ release assay (IGRA) testing for HCP at ≥8 weeks after last known exposure. EHS managed all exposed HCP, including nonemployees (eg, private surgeons) via automated e-mail reminders, which were escalated through supervisory chains as needed until follow-up completion. The infection prevention team notified exposed patients, defined as those who shared semiprivate rooms with case patients with transmissible tuberculosis. The Delaware Division of Public Health performed IGRA testing. Results: There were 506 exposed HCP in ORs (n = 100), the PACU (n = 87), inpatient units (n = 140), the SPD (n = 54), and other locations (n = 122); 83% were employed by the health system. Surgical masks and eye protection were routinely used during patient care. All exposed HCP completed screening by December 17, 2021. Furthermore, 2 HCP had positive IGRAs without symptoms or chest radiograph abnormalities, indicating latent tuberculosis infection, but after further review of records and interviews, we discovered that they had previously tested positive and had been treated for latent tuberculosis infection. In addition, 5 exposed patients tested negative and 2 remain pending. Conclusions: This large investigation demonstrated the need for a systematic process that encompassed all exposed HCP including nonemployees and incorporated administrative controls to ensure complete follow-up. We did not identify any conversions related to this outbreak despite high burden of disease in case patients and multiple exposures to contaminated bone-graft material and infectious bodily fluids without respirator use. Transmission risk was likely reduced by baseline surgical mask use and rapid institution of airborne precautions after outbreak recognition.
Funding: None
Disclosures: None
Carrots and Sticks: Achieving High Healthcare Personnel Influenza Vaccination Rates without a Mandate
- Marci Drees, Kathleen Wroten, Mary Smedley, Tabe Mase, J. Sanford Schwartz
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- Journal:
- Infection Control & Hospital Epidemiology / Volume 36 / Issue 6 / June 2015
- Published online by Cambridge University Press:
- 27 February 2015, pp. 717-724
- Print publication:
- June 2015
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OBJECTIVE
Achieving high healthcare personnel (HCP) influenza vaccination rates has typically required mandating vaccination, which is often challenging to implement. Our objective was to achieve >90% employee influenza vaccination without a mandate.
DESIGNProspective quality improvement initiative
SETTING AND PARTICIPANTSAll employees of a 2-hospital, 1,100-bed, community-based academic healthcare system.
METHODSThe multimodal HCP vaccination campaign consisted of a mandatory declination policy, mask-wearing for non-vaccinated HCP, highly visible “I’m vaccinated” hanging badges, improved vaccination tracking, weekly compliance reports to managers and vice presidents, disciplinary measures for noncompliant HCP, vaccination stations at facility entrances, and inclusion of a target employee vaccination rate (>75%) metric in the annual employee bonus program. The campaign was implemented in the 2011–2012 influenza season and continued throughout the 2012–2013 through 2014–2015 influenza seasons. Employee compliance, vaccination, exemption and declination rates were calculated and compared with those of the seasons prior to the intervention.
RESULTSCompared with vaccination rates of 57%–72% in the 3 years preceding the intervention, employee influenza vaccination increased to 92% in year 1 and 93% in years 2–4 (P<.001). The proportion of employees declaring medical/religious exemptions or declining vaccination decreased during the 4 years of the program (respectively, 1.2% to 0.5%, P<.001; 4.4% to 3.8%, P=.001).
CONCLUSIONSAn integrated multimodal approach incorporating peer pressure, accountability, and financial incentives was associated with increased employee vaccination rate from ≤72% to ≥92%, which has been sustained for 4 influenza seasons. Such programs may provide a model for behavioral change within healthcare organizations.
Infect Control Hosp Epidemiol 2015;00(0): 1–8