Resuscitation
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The absence of nationwide surveillance data on out-of-hospital cardiac arrest (OHCA) in the United States (US) limits understanding of the epidemiology of paediatric OHCA. We investigated the national characteristics of paediatric OHCA using the National Emergency Medical Services Information System (NEMSIS). ⋯ Using data from the NEMSIS, we estimate that there are over 23,000 annual paediatric OHCA in the US. These data provide key insights of paediatric OHCA in the US.
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In a previous study, low and high-normal arterial carbon dioxide tension (PaCO2) were not associated with serum neuron-specific enolase (NSE) in cardiac arrest survivors. We assessed the effect of PaCO2 on NSE in cerebrospinal fluid (CSF) and serum. ⋯ Association was found between NSE and PaCO2 using CSF, despite including normocapnic ranges; TWA of PaCO2 may be most strongly associated with CSF NSE levels. A prospective, multi-centre study is required to confirm our results.
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Hemoglobin (Hb) is a main determinant of tissue oxygen delivery and anemia could be particularly harmful in post-anoxic brain injury. The aim of this study was to evaluate the association of Hb and venous Hb oxygen saturation (SvO2/ScvO2) with long-term neurological outcome in patients admitted after cardiac arrest (CA). ⋯ Low hemoglobin values and low values of oxygen venous saturation are significantly associated with unfavorable neurological outcome in adult patients resuscitated from cardiac arrest.
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To examine the association between heat index (HI) during the induction, maintenance, and rewarming periods of targeted temperature management (TTM) and neurologic outcome in out-of-hospital cardiac arrest (OHCA) survivors. ⋯ Heat generation was independently associated with neurologic outcome in OHCA survivors who underwent TTM at 33 °C. The performance of HI was higher in the rewarming period than in the induction or maintenance period in association with poor neurologic outcomes.
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Observational Study
Capillary Refill Time as Part of an Early Warning Score for Rapid Response Team Activation is an Independent Predictor of Outcomes.
Capillary refill time (CRT) is easy, quick to perform and when prolonged in critical illness, correlates with progression of organ failure and mortality. It is utilized in our hospital's early warning score (EWS) as one of 11 parameters. We sought to define CRT's value in predicting patient outcomes, compared to the remaining EWS elements. ⋯ This is the first time CRT has been evaluated in RRT patients. Its measurement is easy to perform and proves useful as an assessment of adult patients at-risk for clinical decline. Its prolongation in our population was an independent predictor of mortality and the combined outcome. This study and others suggest that CRT should be considered further as a fundamental assessment of patients at-risk for clinical decline.