BackgroundUnderlying systems factors have been seen to be crucial contributors to the occurrence of medication errors. By understanding the causes of these errors, the most appropriate interventions can be designed and implemented to minimise their occurrence.ObjectiveThis study aimed to systematically review and appraise empirical evidence relating to the causes of medication administration errors (MAEs) in hospital settings.Data SourcesNine electronic databases (MEDLINE, EMBASE, International Pharmaceutical Abstracts, ASSIA, PsycINFO, British Nursing Index, CINAHL, Health Management Information Consortium and Social Science Citations Index) were searched between 1985 and May 2013.Study SelectionInclusion and exclusion criteria were applied to identify eligible publications through title analysis followed by abstract and then full text examination. English language publications reporting empirical data on causes of MAEs were included. Reference lists of included articles and relevant review papers were hand searched for additional studies. Studies were excluded if they did not report data on specific MAEs, used accounts from individuals not directly involved in the MAE concerned or were presented as conference abstracts with insufficient detail.Data Appraisal and Synthesis MethodsA total of 54 unique studies were included. Causes of MAEs were categorised according to Reason’s model of accident causation. Studies were assessed to determine relevance to the research question and how likely the results were to reflect the potential underlying causes of MAEs based on the method(s) used.ResultsSlips and lapses were the most commonly reported unsafe acts, followed by knowledge-based mistakes and deliberate violations. Error-provoking conditions influencing administration errors included inadequate written communication (prescriptions, documentation, transcription), problems with medicines supply and storage (pharmacy dispensing errors and ward stock management), high perceived workload, problems with ward-based equipment (access, functionality), patient factors (availability, acuity), staff health status (fatigue, stress) and interruptions/distractions during drug administration. Few studies sought to determine the causes of intravenous MAEs. A number of latent pathway conditions were less well explored, including local working culture and high-level managerial decisions. Causes were often described superficially; this may be related to the use of quantitative surveys and observation methods in many studies, limited use of established error causation frameworks to analyse data and a predominant focus on issues other than the causes of MAEs among studies.LimitationsAs only English language publications were included, some relevant studies may have been missed.ConclusionsLimited evidence from studies included in this systematic review suggests that MAEs are influenced by multiple systems factors, but if and how these arise and interconnect to lead to errors remains to be fully determined. Further research with a theoret...
Future research should attend to the wide methodological inconsistencies between studies to gain a greater measure of comparability to help guide any forthcoming interventions.
The terminal deoxynucleotidyl transferase (TdT)-mediated dUTP nick-end labelling (TUNEL) technique has been extensively used for the detection and quantification of apoptosis in histological tissue sections. However, the interpretation and specificity of this assay have been controversial. With accumulating knowledge of the molecular mechanisms of cell death and the discovery of the caspases as key mediators of apoptosis, more direct and earlier measurements of apoptosis in tissue sections have emerged. This study, using antibodies that specifically recognize activated caspase-3 and caspase-cleaved cytokeratin (CK) 18, evaluated whether immunohistochemical stains would improve the detection and quantification of apoptosis in tissue sections, compared with the TUNEL assay. Tumour xenografts of the prostate cancer cell line PC-3 were used as an example, since these tissues contain large numbers of cells undergoing apoptosis. Apoptotic cells were quantified and apoptotic indices were calculated by computer-assisted image analysis following identification of apoptotic cells by morphological analysis, the TUNEL assay, activated caspase-3 and cleaved CK18 immunohistochemistry. The results indicated that activated caspase-3 immunohistochemistry was an easy, sensitive, and reliable method for detecting and quantifying apoptosis in this model. An excellent correlation (R = 0.89) between the apoptotic indices obtained using activated caspase-3 and cleaved CK18 immunostaining was observed. A good correlation (R = 0.75) between the apoptotic indices obtained using activated caspase-3 immunostaining and the TUNEL assay was also found. Activated caspase-3 immunohistochemistry is therefore recommended for the detection and quantification of apoptosis in tissue sections.
IntroductionIt has been suggested that doctors in their first year of post-graduate training make a disproportionate number of prescribing errors.ObjectiveThis study aimed to compare the prevalence of prescribing errors made by first-year post-graduate doctors with that of errors by senior doctors and non-medical prescribers and to investigate the predictors of potentially serious prescribing errors.MethodsPharmacists in 20 hospitals over 7 prospectively selected days collected data on the number of medication orders checked, the grade of prescriber and details of any prescribing errors. Logistic regression models (adjusted for clustering by hospital) identified factors predicting the likelihood of prescribing erroneously and the severity of prescribing errors.ResultsPharmacists reviewed 26,019 patients and 124,260 medication orders; 11,235 prescribing errors were detected in 10,986 orders. The mean error rate was 8.8 % (95 % confidence interval [CI] 8.6–9.1) errors per 100 medication orders. Rates of errors for all doctors in training were significantly higher than rates for medical consultants. Doctors who were 1 year (odds ratio [OR] 2.13; 95 % CI 1.80–2.52) or 2 years in training (OR 2.23; 95 % CI 1.89–2.65) were more than twice as likely to prescribe erroneously. Prescribing errors were 70 % (OR 1.70; 95 % CI 1.61–1.80) more likely to occur at the time of hospital admission than when medication orders were issued during the hospital stay. No significant differences in severity of error were observed between grades of prescriber. Potentially serious errors were more likely to be associated with prescriptions for parenteral administration, especially for cardiovascular or endocrine disorders.ConclusionThe problem of prescribing errors in hospitals is substantial and not solely a problem of the most junior medical prescribers, particularly for those errors most likely to cause significant patient harm. Interventions are needed to target these high-risk errors by all grades of staff and hence improve patient safety.Electronic supplementary materialThe online version of this article (doi:10.1007/s40264-015-0320-x) contains supplementary material, which is available to authorized users.
How extensive is health care service delivery via the Internet? Should all practicing professional psychologists immediately acquire audio and video Internet capability so they can interact with their patients via this modality? Five hundred and ninety-six practicing psychologists responded to a survey about their use of the telephone and the Internet in their professional practices. Use of the telephone in the delivery of clinical services was nearly universal. However, only 2% of respondents had utilized the Internet or satellite technology in the delivery of health care. Nonetheless, routine use of such technology in sendee delivery is expected to increase as the technology becomes more universally available and regularly used.Should you be delivering your clinical services via the Internet? Is your practice shrinking, or otherwise being handicapped, because you are not involved in the "telehealth" movement? How extensive is the participation of professional psychologists in the so-called eHealth revolution?Telehealth (or tele medicine) initiatives have been highly publicized in newspapers, in magazines, and on television. Professional Psychology: Research and Practice has featured several sections of articles on telepsychology initiatives (i.e., this issue, April 2000, and December 1998). For the past 5 years, the federal government has put significant amounts of funding into telehealth demonstrations and services. Behavioral health (or psychological services) is one of the leading areas in terms of receiving such funding for telehealth initiatives (Conrad, 1998). Although it is clear that telehealth holds particular promise for making some health care services more readily available and easier to use, it is unclear the extent to which the typical professional psychologist today is involved in such telehealth activities.Critical to understanding the extent of the involvement of professional psychologists in telehealth is the definition of telehealth.Most typically, the definition of telehealth covers real-time service provision that occurs when the patient and the provider are phys-GARY R. VANDENBOS received his PhD in clinical psychology from the University of Detroit in 1973. He is the executive director of Publications and Communications for the American Psychological Association (APA).
ObjectivesTo investigate the underlying causes of intravenous medication administration errors (MAEs) in National Health Service (NHS) hospitals.SettingTwo NHS teaching hospitals in the North West of England.ParticipantsTwenty nurses working in a range of inpatient clinical environments were identified and recruited using purposive sampling at each study site.Primary outcome measuresSemistructured interviews were conducted with nurse participants using the critical incident technique, where they were asked to discuss perceived causes of intravenous MAEs that they had been directly involved with. Transcribed interviews were analysed using the Framework approach and emerging themes were categorised according to Reason's model of accident causation.ResultsIn total, 21 intravenous MAEs were discussed containing 23 individual active failures which included slips and lapses (n=11), mistakes (n=8) and deliberate violations of policy (n=4). Each active failure was associated with a range of error and violation provoking conditions. The working environment was implicated when nurses lacked healthcare team support and/or were exposed to a perceived increased workload during ward rounds, shift changes or emergencies. Nurses frequently reported that the quality of intravenous dose-checking activities was compromised due to high perceived workload and working relationships. Nurses described using approaches such as subconscious functioning and prioritising to manage their duties, which at times contributed to errors.ConclusionsComplex interactions between active and latent failures can lead to intravenous MAEs in hospitals. Future interventions may need to be multimodal in design in order to mitigate these risks and reduce the burden of intravenous MAEs.
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