SummaryBackgroundDetailed assessments of mortality patterns, particularly age-specific mortality, represent a crucial input that enables health systems to target interventions to specific populations. Understanding how all-cause mortality has changed with respect to development status can identify exemplars for best practice. To accomplish this, the Global Burden of Diseases, Injuries, and Risk Factors Study 2016 (GBD 2016) estimated age-specific and sex-specific all-cause mortality between 1970 and 2016 for 195 countries and territories and at the subnational level for the five countries with a population greater than 200 million in 2016.MethodsWe have evaluated how well civil registration systems captured deaths using a set of demographic methods called death distribution methods for adults and from consideration of survey and census data for children younger than 5 years. We generated an overall assessment of completeness of registration of deaths by dividing registered deaths in each location-year by our estimate of all-age deaths generated from our overall estimation process. For 163 locations, including subnational units in countries with a population greater than 200 million with complete vital registration (VR) systems, our estimates were largely driven by the observed data, with corrections for small fluctuations in numbers and estimation for recent years where there were lags in data reporting (lags were variable by location, generally between 1 year and 6 years). For other locations, we took advantage of different data sources available to measure under-5 mortality rates (U5MR) using complete birth histories, summary birth histories, and incomplete VR with adjustments; we measured adult mortality rate (the probability of death in individuals aged 15–60 years) using adjusted incomplete VR, sibling histories, and household death recall. We used the U5MR and adult mortality rate, together with crude death rate due to HIV in the GBD model life table system, to estimate age-specific and sex-specific death rates for each location-year. Using various international databases, we identified fatal discontinuities, which we defined as increases in the death rate of more than one death per million, resulting from conflict and terrorism, natural disasters, major transport or technological accidents, and a subset of epidemic infectious diseases; these were added to estimates in the relevant years. In 47 countries with an identified peak adult prevalence for HIV/AIDS of more than 0·5% and where VR systems were less than 65% complete, we informed our estimates of age-sex-specific mortality using the Estimation and Projection Package (EPP)-Spectrum model fitted to national HIV/AIDS prevalence surveys and antenatal clinic serosurveillance systems. We estimated stillbirths, early neonatal, late neonatal, and childhood mortality using both survey and VR data in spatiotemporal Gaussian process regression models. We estimated abridged life tables for all location-years using age-specific death rates. We grouped locations in...
SummaryPrevious volunteer studies of an effect-site controlled, patient-maintained sedation system using propofol have demonstrated a risk of over-sedation. We have incorporated a reaction-time monitor into the handset of the patientmaintained sedation system to add an individualised patient-feedback mechanism. This study assessed if such reactiontime feedback modification would reduce the risk of over-sedation in 20 healthy volunteers deliberately attempting to over-administer themselves propofol. All the volunteers successfully sedated themselves without reaching any unsafe endpoints. All volunteers maintained verbal contact throughout, in accordance with the definition of conscious sedation. The mean (SD) lowest S p O 2 was 97 (1.7) % when breathing room air and no volunteer required supplementary oxygen. The mean (SD) maximum effect-site propofol concentration reached was 1.7 (0.4) lg.ml . The present system was found to be safer than its predecessors, allowing conscious sedation, but preventing over-sedation. Accepted: 9 September 2012Effect-site controlled, patient-maintained sedation with propofol allows the patient to control their level of sedation using a hand-held demand button. The system sets a target effect-site concentration [1] at a low level that can then be increased when the patient presses the handset button twice within 1 s. The system increases the plasma concentration to twice that of the target effect-site concentration to 'force' the drug rapidly into the effect-site, and then reduces the plasma concentration as the target effect-site concentration is approached.Instead of a traditional lockout period, the patient cannot initiate a further increment until the plasma concentration decreases to within 10% of the target effect-site concentration. As the brain is the site of action of propofol, this paradigm allows equilibration between the blood and brain to occur. We have found this technique to be safe and effective in patients undergoing dental surgery [2], but before such systems can be used safely in the absence of an anaesthetist, it is necessary to demonstrate that patients are unable to
Patient experience is becoming a central focus of healthcare. A broad range of studies on how to increase patient satisfaction ratings exists; however, they lack the specificity to adequately guide physicians and hospitals on how to improve patient experience. The objective of this study was to define the aspects of patient experience within paediatric cardiologist practices that can serve as predictors of excellent patient satisfaction. From 1 January, 2013 to 28 February, 2015 (26 months), outpatients who visited paediatric cardiologists were asked to complete a 39-question patient satisfaction survey regarding their experience. Surveys were collected over a 26-month period by Press Ganey, an independent provider of patient satisfaction surveys. Participants were asked to rate their experience on a 1-5 Likert-scale: a score of 1 demonstrated a "poor" experience, whereas a score of 5 demonstrated a "very good" experience. This retrospective study of 2468 responses determined that cheerfulness of the practice (r=0.85, p<0.001), a cohesive staff (r=0.83, p<0.001), and a care provider explaining problems and conditions (r=0.81, p<0.001) were key aspects of a paediatric cardiologist's practice that can be used as predictors of overall patient satisfaction. Awareness of how doctors can personalise a patient's experience is vital to achieve greater patient satisfaction and, ultimately, better patient outcomes.
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