Contact precautions: more is not necessarily better.


OBJECTIVE To determine whether increases in contact isolation precautions are associated with decreased adherence to isolation practices among healthcare workers (HCWs). DESIGN Prospective cohort study from February 2009 to October 2009. SETTING Eleven teaching hospitals. PARTICIPANTS HCWs. METHODS One thousand thirteen observations conducted on HCWs. Additional data included the number of persons in isolation, types of HCWs, and hospital-specific contact precaution practices. Main outcome measures included compliance with individual components of contact isolation precautions (hand hygiene before and after patient encounter, donning of gown and glove upon entering a patient room, and doffing upon exiting) and overall compliance (all 5 measures together) during varying burdens of isolation. RESULTS Compliance with hand hygiene was as follows: prior to donning gowns/gloves, 37.2%; gowning, 74.3%; gloving, 80.1%; doffing of gowns/gloves, 80.1%; after gown/glove removal, 61%. Compliance with all components was 28.9%. As the burden of isolation increased (20% or less to greater than 60%), a decrease in compliance with hand hygiene (43.6%-4.9%) and with all 5 components (31.5%-6.5%) was observed. In multivariable analysis, there was an increase in noncompliance with all 5 components of the contact isolation precautions bundle (odds ratio [OR], 6.6 [95% confidence interval (CI), 1.15-37.44]; P = .03) and in noncompliance with hand hygiene prior to donning gowns and gloves (OR, 10.1 [95% CI, 1.84-55.54]; P = .008) associated with increasing burden of isolation. CONCLUSIONS As the proportion of patients in contact isolation increases, compliance with contact isolation precautions decreases. Placing 40% of patients under contact precautions represents a tipping point for noncompliance with contact isolation precautions measures.

DOI: 10.1086/675294

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@article{Dhar2014ContactPM, title={Contact precautions: more is not necessarily better.}, author={Sorabh Dhar and Dror Marchaim and Ryan Tansek and Teena Chopra and Adnan Yousuf and Ashish Bhargava and Emily Toth Martin and Thomas R. Talbot and Laura E. Johnson and Ameet S Hingwe and Jerry M Zuckerman and Bartholomew R Bono and Emily K Shuman and Jos{\'e} Andr{\'e}s Poblete and MaryAnn Tran and Grace Kulhanek and Rama V Thyagarajan and Vijayalakshmi Nagappan and Carrie A Herzke and Trish Perl and Keith S. Kaye}, journal={Infection control and hospital epidemiology}, year={2014}, volume={35 3}, pages={213-21} }