Resuscitation
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Observational Study
Time course of platelet counts in relation to the neurologic outcome in patients undergoing targeted temperature management after cardiac arrest.
Thrombocytopenia is common and associated with mortality in critically ill patients. However, the time course of platelet counts and its association with the neurologic outcome after out-of-hospital cardiac arrest (OHCA) are not well known. The purpose of this study is to describe the time course of platelet counts in relation to the neurologic outcome in patients undergoing targeted temperature management (TTM) after CA. ⋯ The changes in platelet counts in OHCA patients have a biphasic pattern that is significantly different in patients with good neurologic outcomes and those with poor neurologic outcomes at 6 months. A low platelet count 7 days after CA was associated with a poor neurologic outcome and mortality at 6 months.
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Studies suggest that hyperoxemia increases short-term mortality after cardiopulmonary resuscitation (CPR), but the effect of hyperoxemia on long-term outcomes is unclear. We determined the prevalence of early hyperoxemia after CPR and its association with long-term neurological outcome and mortality. ⋯ We found no association between early post-arrest hyperoxemia and unfavourable outcome. Subgroup analysis found no differential effect depending on arrest location, initial rhythm or time-to-ROSC.
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An investigation of inter-shock timing and electrode placement for double-sequential defibrillation.
Double-Sequential Defibrillation (DSD) is the near-simultaneous use of two defibrillators to treat refractory VF. We hypothesized that (1) risk of DSD-associated defibrillator damage depends on shock vector and (2) the efficacy of DSD depends on inter-shock time. ⋯ University of Alabama at Birmingham Institutional Animal Care and Use Committee (IACUC) Protocol Number 06860.
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The incidence of cardiac arrest (CA) in nursing homes is rising. Our objective was to compare nursing home CAs with at-home CAs in patients aged 65 and over with regard to the CAs' characteristics, the use and characteristics of cardiopulmonary resuscitation (CPR), and the outcome. ⋯ Nursing home residents who experience a CA are less likely to receive CPR from a MICU. If CPR is performed, however, the residents' prognosis is no worse than that of patients treated at home.
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Knowledge about the effect of bystander cardiopulmonary resuscitation (CPR) in out-of-hospital cardiac arrest (OHCA) of non-cardiac origin is lacking. We aimed to investigate the association between bystander CPR and survival in OHCA of presumed non-cardiac origin. ⋯ Bystander CPR was associated with a higher chance of 30-day survival among OHCA of presumed non-cardiac origin regardless of the underlying cause (medical/non-medical). Rates of bystander CPR and 30-day survival improved during the study period.