Critical care : the official journal of the Critical Care Forum
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Predicting whether a critically ill patient will survive intensive care treatment remains difficult. The advantages of a validated strategy to identify those patients who will not benefit from intensive care unit (ICU) treatment are evident. Providing critical care treatment to patients who will ultimately die in the ICU is accompanied by an enormous emotional and physical burden for both patients and their relatives. The purpose of the present study was to examine whether health-related quality of life (HRQOL) before admission to the ICU can be used as a predictor of mortality. ⋯ This study shows that the pre-admission HRQOL measured with either the one-item general health question or the complete SF-36 is as good at predicting survival/mortality in ICU patients as the APACHE II score. The value of these measures in clinical practice is limited, although it seems sensible to incorporate assessment of HRQOL into the many variables considered when deciding whether a patient should be admitted to the ICU.
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The burden of infection in industrialized countries has prompted considerable effort to improve the outcomes of patients with sepsis. This has been formalized through the Surviving Sepsis Campaign 'bundles', derived from the recommendations of 11 professional societies, which have promoted global improvement in those practices whose primary goal it is to reduce sepsis-related death. However, difficulties remain in implementing all of the procedures recommended by the experts, despite the apparent pragmatism of those procedures. We summarize the main proposals made by the Surviving Sepsis Campaign and focus on the difficulties associated with making a proper diagnosis and supplying adequate treatment promptly to septic patients.
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Randomized Controlled Trial
Goal-directed fluid management based on pulse pressure variation monitoring during high-risk surgery: a pilot randomized controlled trial.
Several studies have shown that maximizing stroke volume (or increasing it until a plateau is reached) by volume loading during high-risk surgery may improve post-operative outcome. This goal could be achieved simply by minimizing the variation in arterial pulse pressure (deltaPP) induced by mechanical ventilation. We tested this hypothesis in a prospective, randomized, single-centre study. The primary endpoint was the length of postoperative stay in hospital. ⋯ Monitoring and minimizing deltaPP by volume loading during high-risk surgery improves postoperative outcome and decreases the length of stay in hospital.
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In the previous issue of Critical Care Chenaud and colleagues found that most intensive care unit patients who had given informed consent for their participation in a clinical trial could not recall either the purpose of the trial or its related risks several days later. These findings should remind us that informed consent is a process, not an event, but they should not be interpreted to mean that recall is, of itself, a useful criterion for evaluating either the validity or the quality of the informed consent process. On an entirely separate note, the decision of the authors not to obtain informed consent for this study itself raises interesting questions about the ethics of doing research on the ethics of doing research.
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Editorial Comment
Improvements in the outcome of children with meningococcal disease.
Recent years have seen a marked reduction in the mortality of children with meningococcal disease in paediatric intensive care units (PICU); the reasons for this improvement are multifactorial. The mortality rates for critically ill children overall have improved and reasons for this are probably increased centralisation of PICU services and that fewer critically ill children are now looked after on adult units. Specific treatment pathways for sepsis have improved with the publication of clinical guidelines for children and initiatives such as the Surviving Sepsis Campaign. There is a continuing need to focus on the care delivered to children before reaching PICU and to minimise the morbidity suffered by survivors of this disease.