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Gazeta Médica
Print version ISSN 2183-8135On-line version ISSN 2184-0628
Abstract
MAXIMIANO, Cristiana; CUNHA, Carla; SILVA, Albina and PEREIRA, Almerinda. Catheter-Related Bloodstream Infection in Neonatal Intensive Care Unit: Prospective Surveillance Study. Gaz Med [online]. 2021, vol.8, n.1, pp.11-16. Epub May 07, 2021. ISSN 2183-8135. https://doi.org/10.29315/gm.v8i1.389.
Introduction:
Intravascular catheters are substantial in neonatal intensive care units (NICU). Monitoring infection rates is increasingly regarded as an important contributor to safe and high-quality health care. Our study aimed to determine the current incidence of catheter-related bloodstream infection (CRBSI) in a level III NICU, comparing with other reports and with a previous similar study performed in our NICU in 2011.
Methods:
From January 2017 to December 2019 a prospective surveillance was undertaken in the NICU of Hospital de Braga. All newborns (NB) with a central catheter (CC) inserted in our NICU were considered. The microbiological diagnosis was performed by peripheral blood culture (BC) and the culture of the CC tip after removal.
Results:
There were inserted a total of 404 CC, 138 umbilical catheters (UC), and 266 peripherally inserted central catheters (PICC). The average gestational age was 30.4 weeks (SD±3.89 w), mean birth weight of 1380.03 g (SD±742.68 g), with 76.03% of very low birth weight (VLBW). The mean length of CC use was 11.51 days (SD ±11.08 d). There were 95 positive CC tip cultures, 25 (26.32%) UC, and 70 (73.68%) PICC. From 41 BC collected, there were 9 positive (21.95%), 2 from NB with UC, and 7 from NB with PICC. In both cultures, coagulase-negative Staphylococci were the most common organism identified. CRBSI rate is 0.5%. The incidence density of catheter contamination was 20.43 per 1000 catheter-days.
Discussion:
Comparing with the previous study from 2011, there is a significant improvement in the CRBSI rate, reflecting the efforts done to prevent infections. Our CRBSI rate and the infection microbiology were similar to other NICUs.
Keywords : Catheter-Related Infections; Infant, Newborn; Infant, Newborn, Diseases; Intensive Care Units, Neonatal.