Abstract
BackgroundThe elderly inpatients are in high risk of suffering health-care associated infection (HAI). The study aimed to analyze the risk factors of health-care associated infection (HAI) in elderly hospitalized patients to prevent it and improve the recovery rate of elderly patients.MethodsThe study was a Retrospective Cohort Study based on a 3-year surveillance in elderly inpatients in a large tertiary hospital in China. A retrospective review of the elderly inpatients ≥60 years with or without HAI were conducted. Binary multivariable logistic regression was used to evaluate the potential association between HAI and risk factors.ResultsWe investigated a total of 60,332 subjects aged 60 years old or above. The incidence of HAI in elderly was 2.62%. With adjustment for some factors, advanced age, hospital days before HAI, intensive care unit (ICU) admission, use of ventilator, central line catheter or urinary catheter and cerebral hemorrhage, cerebral infarction, brain neoplasms, diabetes mellitus, coronary artery disease, malignant tumor and malignant hematonosis had significantly increased odds ratios (OR) of suffering from HAI compared with the control group but body weight and operation decreased OR.ConclusionOur findings suggested that advanced age, accompanied by some neurological and chronic noncommunicable diseases, hospital days before HAI, ICU admission, and use of devices were risk factors of suffering HAI in the elderly but the body weight and operation were the potential protective factors in this sample.
Highlights
The elderly inpatients are in high risk of suffering health-care associated infection (HAI)
This study aimed to identify risk factors (RFs) present on admission and acquired during inpatient stay which could be associated with higher risk of acquiring HAI in elderly
The potential association between risk factors and HAI The results of the multivariable logistic regression analysis suggest a significant association between HAI and some relevant factors
Summary
The elderly inpatients are in high risk of suffering health-care associated infection (HAI). The study aimed to analyze the risk factors of health-care associated infection (HAI) in elderly hospitalized patients to prevent it and improve the recovery rate of elderly patients. Health-care associated infections (HAIs) which occur in patients under medical care in hospital or other health care facility is a notable public health concern. They place an enormous burden on poor prognosis, increased mortality, prolong hospitalization, and increased healthcare costs. Roughly one in 25 patients in the USA contracts at least one infection during their hospital care—an alarming statistic that is unacceptable in view of the fact that health care-associated infections (HAIs) are mostly preventable [1]. A Survey of a total 12,299 patients in 199 hospitals showed that fewer patients had health care-associated infections in 2015 (394 patients [3.2%; 95% confidence interval {CI}, 2.9 to 3.5]) than in 2011 (452 [4.0%; 95% CI, 3.7 to 4.4]) (P < 0.001), largely owing to reductions in the prevalence of surgical-site and urinary tract infections [2]
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