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Correlational study compares cleaning methods in neonatal intensive care units, suggesting adenosine triphosphate levels may indicate hygiene effectiveness.
to correlate surface cleaning and disinfection monitoring methods in two neonatal intensive care units and compare threshold values for adenosine triphosphate. a correlational study with 864 assessments was conducted using adenosine triphosphate quantification, visual inspection, aerobic colony count, Staphylococcus aureus detection, and resistance testing before and after hygiene procedures. in Unit A, correlations were found between colony count and Staphylococcus aureus on the counter (phase I; P=0.031) and between adenosine triphosphate and colony count in the incubator (phase II; P=0.001). In Unit B, a correlation was observed between adenosine triphosphate and colony count on the infusion pump (phase I; P=0.045). Threshold values for adenosine triphosphate were lower than 28 relative light units in Unit A and equal to or lower than 38 in Unit B. variations were observed in the correlations and threshold values for adenosine triphosphate between the analyzed units.
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Silva et al. (2025) studied this question.
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