Resuscitation
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Comparative Study
Sex differences in outcome after ventricular fibrillation in out-of-hospital cardiac arrest.
Previous studies have shown that early defibrillation programs improve survival after an out-of-hospital cardiac arrest (OHCA). Reports also suggest that women fare worse than men do after cardiovascular events, but there is no population-based study of sex differences after an OHCA with early defibrillation. We, therefore, compared the short- and long-term survival and quality-of-life (QOL) in women and men after an OHCA. ⋯ Women are more likely to survive to hospital admission following an OHCA. However, admitted women less likely to survive their hospital stay. Long-term survival and QOL are equally favorable in both sexes.
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UK hospitals have been instructed to ensure that all staff understand the institution's resuscitation policy. Using a questionnaire, we determined the level of knowledge about the hospital's 'do not attempt resuscitation' (DNAR) policy amongst a range of staff. Six hundred and seventy-seven questionnaires were returned. 91.4% of responders did not know the correct overall percentage survival to hospital discharge following an in-hospital cardiac arrest. 19.3% of doctors, 10.6% of nurses, and 8.9% of health care support workers (HCSW) gave answers in the correct range (i.e., 15-25%). ⋯ There was inconsistency about what information staff felt should be included in DNAR documentation and what, if any, continuing care should be given to patients who are not for resuscitation. Our study demonstrates that there is room for improvement in the awareness of staff about the DNAR process. The local DNAR policy is being reviewed to ensure that its messages are clear and a specific DNAR educational programme has been commenced.
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To assess the experience, knowledge and attitudes of local primary health-care doctors towards resuscitation in out-of-hospital cardiac arrest. ⋯ Primary care physicians do see themselves as having an important role in resuscitation. We propose a local initiative to equip, educate and encourage defibrillation by GPs in our community.
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Comparative Study
Titrated hypertonic/hyperoncotic solution for hypotensive fluid resuscitation during uncontrolled hemorrhagic shock in rats.
In volume- or pressure-controlled hemorrhagic shock (HS) a bolus intravenous infusion of hypertonic/hyperoncotic solution (HHS) proved beneficial compared to isotonic crystalloid solutions. During uncontrolled HS in animals, however, HHS by bolus increased blood pressure unpredictably, and increased blood loss and mortality. We hypothesized that a titrated i.v. infusion of HHS, compared to titrated lactated Ringer's solution (LR), for hypotensive fluid resuscitation during uncontrolled HS reduces fluid requirement, does not increase blood loss, and improves survival. ⋯ In prolonged uncontrolled HS, a titrated i.v. infusion of HHS can maintain controlled hypotension with only one-tenth of the volume of LR required, without increasing blood loss. This titrated HHS strategy may not increase the chance of long-term survival.
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Emergency medical services in Zimbabwe are of a very variable standard, and exist in many forms: *Reasonably well-developed urban emergency medical services systems mixed with very poorly resourced and under-developed rural services. *Very high patient workloads, with severely ill medical patients and a large proportion of major trauma and multiple-casualty situations (public safety is given a low priority, and public transport is poorly regulated). *Long emergency response times and patient transport distances. *Somewhat under resourced and under developed emergency departments, with large numbers of critically ill acute patients, as well as many non-emergency/chronic patients who have no other access to appropriate health care. This paper provides a description of the development of ambulance services and acute health care in Zimbabwe, and outline the current demands on the system. Particular reference is made to the City of Harare Ambulance Service, which is considered to be the most developed of the local authority services.