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| Influencing factors of nosocomial infections among radiotherapy patients |
| SUN Feifei, LOU Xiaohong, YU Hongbin
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| Department of Nosocomial Infection Management, Yiwu Central Hospital, Yiwu, Zhejiang 322000, China |
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Abstract Objective To investigate the influencing factors of nosocomial infections among patients undergoing radiotherapy, so as to provide insights into nosocomial infection control among radiotherapy patients. Methods The malignant tumor patients receiving radiotherapy in Yiwu Central Hospital from 2019 to 2020 were selected. Their demographic features, radiotherapy and nosocomial infections were collected through the eletronic medical records. The factors affecting nosocomial infections were identified among radiotherapy patients using a multivariable logistic regression model. Results Totally 553 malignant tumor patients receiving radiotherapy were enrolled, including 268 men ( 48.46% ) and with a mean age of ( 60.31±13.66 ) years. The mean duration of hospital stay was ( 28.67±14.32 ) days, and the mean radiotherapy cycle was ( 3.63±1.89 ) weeks. A total of 46 patients were detected with nosocomial infections, with prevalence of 8.32%. The top three sites with the highest prevalence of nosocomial infections included the lower respiratory tract ( 14 cases, 30.43% ), oral cavity ( 10 cases, 21.74 ) and urinary tract ( 8 cases, 17.39% ), and 42 bacterial strains were isolated, with Gram-negative bacteria as the predominant strains ( 25 strains, 59.52% ). Multivariable logistic regression analysis showed that radiotherapy cycle of 4 weeks and longer ( OR=3.857, 95%CI: 1.896-7.846 ), radiotherapy exposure ( OR=3.254, 95%CI: 1.561-6.783 ), arteriovenous catheterization ( OR=2.165, 95%CI: 1.144-4.098 ), urinary tract intubation ( OR=6.028, 95%CI: 1.841-19.734 ) and poor nutritional status ( OR=3.933, 95%CI: 1.493-10.360 ) were associated with nosocomial infections among radiotherapy patients. Conclusion Radiotherapy cycle, exposure to radiotherapy, arteriovenous catheterization, urinary tract intubation and poor nutritional status are factors affecting nosocomial infections among radiotherapy patients.
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Received: 25 January 2022
Revised: 07 March 2022
Published: 12 May 2022
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