Abstract
INTRODUCTION Health care workers have an increased risk of infection due to occupational Mycobacterium tuberculosis exposure, including multidrug-resistant strains. Health care workers' risk of developing tuberculosis is greater than that of the general population, whether in low-, intermediate- or high-incidence countries. Adherence to infection control measures (administrative controls, environmental controls, and personal respiratory protection) is essential to reduce risk of disease transmission between suspected tuberculosis patients and health care workers, but for different reasons, both objective and subjective, adherence is low. Identifying the causes of low adherence is a prerequisite to effective programming to reduce risk. OBJECTIVE Identify perceived barriers to adherence to tuberculosis infection control measures among health care workers in the Dominican Republic. METHODS During August 2014, a qualitative study was conducted in two tertiary-level hospitals in different regions of the Dominican Republic. A semi-structured interview guide of nine questions was developed, based on the scientific literature and with consensus of clinical experts. Nine semi-structured interviews were conducted with a purposive sample of seven physicians (five men, two women) and two baccalaureate nurses (both women) working in the emergency medicine, internal medicine or nursing departments of those institutions. Question topics included clinical experience of M. tuberculosis infection and disease; knowledge of disease transmission and preventive practices; clinical management strategies; and perceptions of effectiveness of directly observed treatment, short-course, and disease coping strategies. RESULTS Perceived barriers were described as: 1) sense of invincibility of health care workers; 2) personal beliefs of health care workers related to direct patient communication; 3) low provider-to-patient ratios in hospitals; 4) absence of tuberculosis isolation units for patients within hospitals; and 5) limited availability of protective masks for health care workers. CONCLUSIONS Our results highlight that perceived barriers at the individual or institutional level may hinder how health care workers understand and comply with preventive strategies to reduce risk of tuberculosis transmission. Addressing these barriers by strengthening infection control program infrastructure and implementing educational interventions within institutions may reduce risk of nosocomial tuberculosis transmission to health care workers. KEYWORDS Health care providers, infection control, infectious disease transmission, health care associated infection, nosocomial infection, Mycobacterium tuberculosis occupational exposure, occupational health, qualitative research, tuberculosis, Dominican Republic.
Highlights
Health care workers have an increased risk of infection due to occupational Mycobacterium tuberculosis exposure, including multidrug-resistant strains
Our results highlight that perceived barriers at the individual or institutional level may hinder how health care workers understand and comply with preventive strategies to reduce risk of tuberculosis transmission
Published international guidelines for reducing nosocomial M. tuberculosis transmission have focused on a hierarchical strategy involving administrative controls (e.g., TB infection control plans; TB risk assessment; Health care workers (HCW) training), environmental controls and personal respiratory protection.[3,4]
Summary
Health care workers have an increased risk of infection due to occupational Mycobacterium tuberculosis exposure, including multidrug-resistant strains. Adherence to infection control measures (administrative controls, environmental controls, and personal respiratory protection) is essential to reduce risk of disease transmission between suspected tuberculosis patients and health care workers, but for different reasons, both objective and subjective, adherence is low. Health care workers (HCW) are at increased risk of infection due to occupational exposure to Mycobacterium tuberculosis, including multidrug-resistant strains. These guidelines are ideal for health care settings, they fail to consider perceived barriers of HCWs, on the frontlines of TB care
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