Alicia G Kachmar1,2, Sharon Y Irving1,3, Cynthia A Connolly1, Martha A Q Curley1,4,5. 1. Department of Family and Community Health, School of Nursing, University of Pennsylvania, Philadelphia, PA. 2. Hillman Scholars Program in Nursing Innovation at the University of Pennsylvania School of Nursing, Philadelphia, PA. 3. Division of Anesthesiology and Critical Care Medicine, Critical Care Nursing, Children's Hospital of Philadelphia, Philadelphia, PA. 4. Division of Anesthesia and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. 5. Critical Care and Cardiovascular Program, Boston Children's Hospital, Boston, MA.
Abstract
OBJECTIVES: To identify risk factors associated with cognitive impairment as assessed by neuropsychologic tests in neurotypical children after critical illness. DATA SOURCES: For this systematic review, we searched the Cochrane Library, Scopus, PubMed, Ovid, Embase, and CINAHL databases from January 1960 to March 2017. STUDY SELECTION: Included were studies with subjects 3-18 years old at the time of post PICU follow-up evaluation and use of an objective standardized neuropsychologic test with at least one cognitive functioning dimension. Excluded were studies featuring patients with a history of cardiac arrest, traumatic brain injury, or genetic anomalies associated with neurocognitive impairment. DATA EXTRACTION: Twelve studies met the sampling criteria and were rated using the Newcastle-Ottawa Quality Assessment Scale. DATA SYNTHESIS: Ten studies reported significantly lower scores in at least one cognitive domain as compared to healthy controls or normed population data; seven of these-four case-control and three prospective cohort studies-reported significant lower scores in more than one cognitive domain. Risk factors associated with post critical illness cognitive impairment included younger age at critical illness and/or older age at follow-up, low socioeconomic status, high oxygen requirements, and use of mechanical ventilation, sedation, and pain medications. CONCLUSIONS: Identifying risk factors for poor cognitive outcomes post critical illness may help healthcare teams modify patient risk and/or provide follow-up services to improve long-term cognitive outcomes in high-risk children.
OBJECTIVES: To identify risk factors associated with cognitive impairment as assessed by neuropsychologic tests in neurotypical children after critical illness. DATA SOURCES: For this systematic review, we searched the Cochrane Library, Scopus, PubMed, Ovid, Embase, and CINAHL databases from January 1960 to March 2017. STUDY SELECTION: Included were studies with subjects 3-18 years old at the time of post PICU follow-up evaluation and use of an objective standardized neuropsychologic test with at least one cognitive functioning dimension. Excluded were studies featuring patients with a history of cardiac arrest, traumatic brain injury, or genetic anomalies associated with neurocognitive impairment. DATA EXTRACTION: Twelve studies met the sampling criteria and were rated using the Newcastle-Ottawa Quality Assessment Scale. DATA SYNTHESIS: Ten studies reported significantly lower scores in at least one cognitive domain as compared to healthy controls or normed population data; seven of these-four case-control and three prospective cohort studies-reported significant lower scores in more than one cognitive domain. Risk factors associated with post critical illness cognitive impairment included younger age at critical illness and/or older age at follow-up, low socioeconomic status, high oxygen requirements, and use of mechanical ventilation, sedation, and pain medications. CONCLUSIONS: Identifying risk factors for poor cognitive outcomes post critical illness may help healthcare teams modify patient risk and/or provide follow-up services to improve long-term cognitive outcomes in high-risk children.
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