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Medical resuscitations in rugged prehospital settings require emergency personnel to perform high-risk procedures in low-resource conditions. Just-in-Time Guidance (JITG) utilizing augmented reality (AR) guidance may be a solution. There is little literature on the utility of AR-mediated JITG tools for facilitating the performance of emergent field care.
Study Objective:
The objective of this study was to investigate the feasibility and efficacy of a novel AR-mediated JITG tool for emergency field procedures.
Methods:
Emergency medical technician-basic (EMT-B) and paramedic cohorts were randomized to either video training (control) or JITG-AR guidance (intervention) groups for performing bag-valve-mask (BVM) ventilation, intraosseous (IO) line placement, and needle-decompression (Needle-d) in a medium-fidelity simulation environment. For the interventional condition, subjects used an AR technology platform to perform the tasks. The primary outcome was participant task performance; the secondary outcomes were participant-reported acceptability. Participant task score, task time, and acceptability ratings were reported descriptively and compared between the control and intervention groups using chi-square analysis for binary variables and unpaired t-testing for continuous variables.
Results:
Sixty participants were enrolled (mean age 34.8 years; 72% male). In the EMT-B cohort, there was no difference in average task performance score between the control and JITG groups for the BVM and IO tasks; however, the control group had higher performance scores for the Needle-d task (mean score difference 22%; P = .01). In the paramedic cohort, there was no difference in performance scores between the control and JITG group for the BVM and Needle-d tasks, but the control group had higher task scores for the IO task (mean score difference 23%; P = .01). For all task and participant types, the control group performed tasks more quickly than in the JITG group. There was no difference in participant usability or usefulness ratings between the JITG or control conditions for any of the tasks, although paramedics reported they were less likely to use the JITG equipment again (mean difference 1.96 rating points; P = .02).
Conclusions:
This study demonstrated preliminary evidence that AR-mediated guidance for emergency medical procedures is feasible and acceptable. These observations, coupled with AR’s promise for real-time interaction and on-going technological advancements, suggest the potential for this modality in training and practice that justifies future investigation.
Our team of core and higher psychiatry trainees aimed to improve secondary mental health service detection of and response to gender-based violence (GBV) in South East London. We audited home treatment team (HTT), drug and alcohol (D&A) service and in-patient ward clinical records (n = 90) for female and non-binary patients. We implemented brief, cost-neutral staff engagement and education interventions at service, borough and trust levels before re-auditing (n = 86), completing a plan–do–study–act cycle.
Results
Documented enquiry about exposure to GBV increased by 30% (HTT), 15% (ward) and 7% (D&A), post-intervention. We identified staff training needs and support for improving GBV care. Up to 56% of records identified psychiatric symptoms related to GBV exposure.
Clinical implications
Moves to make mental healthcare more trauma-informed rely on services first being supportive environments for enquiry, disclosure and response to traumatic stressors. Our collaborative approach across clinical services increased GBV enquiry and documentation. The quality of response is more difficult to measure and requires concerted attention.
Lambeth Home Treatment Team (LHTT) provides short-term intensive community psychiatric care to a diverse South London population. The high turnover of patients requires a streamlined process to review and discuss their progress. We aimed to discuss patients in more frequent, targeted and shorter meetings, and to improve continuity of medical care using a ‘named doctor’ system. We assessed impact on length of stay with LHTT, on staff time as well as on both patient and staff satisfaction.
Methods
The system of once-weekly day-long discussions of entire caseload was replaced by twice-weekly discussions of new and concerning patients only. The system of medical reviews was changed from ad hoc to MDT-agreed allocation to a specific doctor for the duration of LHTT stay.
Data on duration of treatment and caseload size were taken from regular LHTT statistical reports. Staff and patient questionnaires assessed impact on satisfaction and time spent in review discussions.
Results
Qualitative reports of staff experience revealed that the new system was felt to provide better continuity of care, better time efficiency (less time spent learning about new patients) and improved learning experiences for doctors in training. Downsides included lack of ‘automatic second opinion’ when a patient was reviewed by a different doctor, felt to be mitigated by more frequent discussions in MDT reviews when needed.
Patient feedback showed no significant change was noted in overall experience of LHTT, although patients were more likely to feel involved in their care (88% said ‘definitely’ compared to 68% before the change).
Time spent discussing patients in clinical review meetings reduced from an average of 38.5 to 28.5 person-hours per week.
Average caseload reduced from 57 to 42. However, duration of treatment increased from 18.8 days to 20.4 days.
Conclusion
The reduction in staff time in reviews suggests that the system had been appropriately streamlined. While caseload size reduced, duration of stay slightly increased, so the new system was not found to have had a significant impact on objective measures of patient care.
Staff feedback was generally favourable, highlighting continuity of care and time efficiency. Patient feedback, while good both before and after our change, suggested a greater feeling of involvement in their care, possibly due to clearer communication and discussion of plan from the start of LHTT care.
The way in which saints' cults operated across and beyond political, ethnic and linguistic boundaries in the medieval British Isles and Ireland, from the sixth to the sixteenth centuries, is the subject of this book. In a series of case studies, the contributions highlight the factors that allowed particular cults to prosper in, or that made them relevant to, a variety of cultural contexts. The collection has a particular emphasis on northern Britain, and the role of devotional interests in connecting or shaping a number of polities and cultural identities (Pictish, Scottish, Northumbrian, Irish, Welsh and English) in a world of fluid political and territorial boundaries. Although the bulk of the studies are concerned with the significance of cults in the insular context, many of the articles also touch on the development of pan-European devotions (such as the cults of St Brendan, The Three Kings or St George).
Contributors: James E. Fraser, Thomas Owen Clancy, Fiona Edmonds, John Reuben Davies, Karen Jankulak, Sally Crumplin, Joanna Huntington, Steve Boardman, Eila Williamson, Jonathan Wooding
Paleosols that formed primarily before the last glaciation cannot be adequately explained by a model of Holocene-like interglacial periods of about 10,000 yr in length which has been inferred from the marine 18O16O record. Geological and palynological evidence from terrestrial, midlatitude sites suggests that temperate conditions conducive to soil formation existed for periods greatly in excess of 10,000 yr during the middle and late Pleistocene. Available data on soils formed during this interval from Western Europe and midwestern United States are best explained by relatively long interglaciations or the development of composite soils over a number of temperate periods. Climatic contrasts between the interglaciations appear to have been overemphasized: widespread assumptions regarding greater warmth in interglaciations prior to the present one are generally unproven. In the absence of precise dating, progress in relating paleosols to fragmentary local records of Quaternary climatic changes will be achieved by detailed analytical techniques such as soil micromorphology.
There is often a two-way relationship between the lack of access to adequate and affordable energy services and poverty. The relationship is, in many respects, a vicious cycle in which people who lack access to cleaner and affordable energy are often trapped in a re-enforcing cycle of deprivation, lower incomes and the means to improve their living conditions while at the same time using significant amounts of their very limited income on expensive and unhealthy forms of energy that provide poor and/or unsafe services.
Access to cleaner and affordable energy options is essential for improving the livelihoods of the poor in developing countries. The link between energy and poverty is demonstrated by the fact that the poor in developing countries constitute the bulk of an estimated 2.7 billion people relying on traditional biomass for cooking and the overwhelming majority of the 1.4 billion without access to grid electricity. Most of the people still reliant on traditional biomass live in Africa and South Asia.
Limited access to modern and affordable energy services is an important contributor to the poverty levels in developing countries, particularly in sub-Saharan Africa and some parts of Asia. Access to modern forms of energy is essential to overcome poverty, promote economic growth and employment opportunities, support the provision of social services, and, in general, promote sustainable human development. It is also an essential input for achieving most Millennium Development Goals (MDGs) – a useful reference of progress against poverty by 2015 and a benchmark for possible progress much beyond that.
Erosion is a natural phenomenon, but one that has been accelerated by human activities. The scale of accelerated soil erosion that has been achieved by humans has been summarized by Myers (1988, p. 6):
Since the development of agriculture some 12,000 years ago, soil erosion is said by some to have ruined 4.3 million km2 of agricultural lands, or an area equivalent to rather more than one-third of today's crop-lands … the amount of agricultural land now being lost through soil erosion, in conjunction with other forms of degradation, can already be put at a minimum of 200,000 km2 per year.
Accelerated soil erosion is indeed a serious aspect of environmental change and there has been a long history of research (see e.g. Marsh, 1864; Sauer, 1938; Bennett, 1939; Jacks and Whyte, 1939; Morgan, 2005). Although many techniques have been developed to mitigate the problem it appears to be intractable. As Carter (1977, p. 409) reported for the USA:
Although nearly $15 billion has been spent on soil conservation since the mid-1930s, the erosion of croplands by wind and water … remains one of the biggest, most pervasive environmental problems the nation faces. The problem's surprising persistence apparently can be attributed at least in part to the fact that, in the calculation of many farmers, the hope of maximizing short-term crop yields and profits has taken precedence over the longer term advantages of conserving the soil. For even where the loss of topsoil has begun to reduce the land's natural fertility and productivity, the effect is often masked by the positive response to heavy application of fertilizer and pesticides, which keep crop yields relatively high.
Edited by
Steven Boardman, Reader in Scottish History, University of Edinburgh,John Reuben Davies, Dr John Reuben Davies was Research Fellow in Scottish History, University of Edinburgh - now at University of Glasgow.,Eila Williamson, Editor of the Innes Review, c/o University of Edinburgh
Edited by
Steven Boardman, Reader in Scottish History, University of Edinburgh,John Reuben Davies, Dr John Reuben Davies was Research Fellow in Scottish History, University of Edinburgh - now at University of Glasgow.,Eila Williamson, Editor of the Innes Review, c/o University of Edinburgh
The origins of this volume lie in a series of papers delivered during two sessions of the Leeds International Medieval Congress in July 2006, supplemented by further invited contributions. The two sessions were organised under the auspices of the Survey of Dedications to Saints in Medieval Scotland, a project funded by a Major Research Grant from the Arts and Humanities Research Council. The project is designed to record and collate acts of dedication to saints (loosely defined to include all forms of commemoration and veneration) within the boundaries of the Scottish realm from the early medieval period to 1560.
The aim of the Leeds papers was collectively to address the way in which devotion to particular saints might transcend or cross linguistic, cultural and political boundaries. The emphasis of the papers collected here is therefore on the issue of transmission, that is, why certain saints’ cults spread beyond their original points or communities of origin to achieve a wider and more diverse following and the mechanisms by which this occurred. Many of the chapters have an Insular, and particularly north-British, focus. For this reason the volume was originally to have been entitled Saints’ Cults in the Insular World, but the wider scope of some of the essays, particularly the inclusion of material on Brittany and Breton cults, persuaded the publishers and editors to opt for the current title. The editors acknowledge that the implication that the cults examined in the volume grew and developed in a cultural, linguistic, devotional or political environment that could be described as distinctively or significantly ‘Celtic’ is potentially unhelpful.Most obviously, a number of contributions deal with societies, such as late medieval lowland Scotland and northern England, which were most assuredly not part of any wider ‘Celtic World’, if such could be said to have existed. Here, then, ‘Celtic’ is being used solely as a geographical shorthand to indicate that the studies that make up the volume concentrate on saints’ cults in a northern British context where interaction between Irish, Welsh and Scottish devotional traditions was extensive (particularly in the early medieval period).
Aside from the principal concern with tracing and explaining the spread of cults into new areas or social contexts, the collected essays have thrown up a variety of interesting sub themes.
Edited by
Steven Boardman, Reader in Scottish History, University of Edinburgh,John Reuben Davies, Dr John Reuben Davies was Research Fellow in Scottish History, University of Edinburgh - now at University of Glasgow.,Eila Williamson, Editor of the Innes Review, c/o University of Edinburgh
Edited by
Steven Boardman, Reader in Scottish History, University of Edinburgh,John Reuben Davies, Dr John Reuben Davies was Research Fellow in Scottish History, University of Edinburgh - now at University of Glasgow.,Eila Williamson, Editor of the Innes Review, c/o University of Edinburgh
Edited by
Steven Boardman, Reader in Scottish History, University of Edinburgh,John Reuben Davies, Dr John Reuben Davies was Research Fellow in Scottish History, University of Edinburgh - now at University of Glasgow.,Eila Williamson, Editor of the Innes Review, c/o University of Edinburgh
Edited by
Steven Boardman, Reader in Scottish History, University of Edinburgh,John Reuben Davies, Dr John Reuben Davies was Research Fellow in Scottish History, University of Edinburgh - now at University of Glasgow.,Eila Williamson, Editor of the Innes Review, c/o University of Edinburgh
Edited by
Steven Boardman, Reader in Scottish History, University of Edinburgh,John Reuben Davies, Dr John Reuben Davies was Research Fellow in Scottish History, University of Edinburgh - now at University of Glasgow.,Eila Williamson, Editor of the Innes Review, c/o University of Edinburgh
Edited by
Steven Boardman, Reader in Scottish History, University of Edinburgh,John Reuben Davies, Dr John Reuben Davies was Research Fellow in Scottish History, University of Edinburgh - now at University of Glasgow.,Eila Williamson, Editor of the Innes Review, c/o University of Edinburgh
The years covered by this volume saw events and developments of major significance in the Mediterranean world. The first section of the book examines the Persian empire, the regions it comprised and its expansion during the reigns of Cyrus, Darius and Xerxes. In Greece, Sparta was attending maturity as the leader of a military coalition and Athens passed through a period of enlightened tyranny to a moderate democracy of dynamic energy and clear-sighted intelligence. Given the contrast between Greek ideas and Persian absolutism a clash between Greece and Persia became inevitable, and important chapters deal with the revolt of the Ionian Greeks against the Persians, and the two Persian invasions of Greece including the epic battles of Marathon, Thermopylae and Salamis. The third part of the volume turns to the Western Mediterranean. Italy now becomes a significant factor in the history of the area and this section covers the Italic peoples and their languages from the Bronze to the Iron age, and examines the Etruscans and their culture. Sicily is the subject of the final chapter. There the Greek city-states under Gelon of Syracuse and Theron ruler of Acragas repelled a Carthaginian onslaught at the battle of Himera. This new edition has been completely replanned and rewritten in order to reflect the advances in scholarship and changes in perspective which have been taking place in the sixty years since the publication of its predecessor.
Volume VI of the new edition of The Cambridge Ancient History begins with Sparta attempting to consolidate its leadership of mainland Greece and ends with the death of Alexander the Great after he had conquered the Persian Empire and marched far into India. It is correspondingly wide-ranging in its treatment of the politics and economy, not only of old Greece, but of the Near East and the western Mediterranean. The century also saw the continued development of Classical Greek art and the moulding of Greek prose as an uniquely flexible means of expression. The formation of the great philosophical schools assured to Athens in her political decline a long future as a cultural centre, and established patterns of thought which dominated western civilization for two thousand years.
Volume III of The Cambridge Ancient History was first published in 1925 in one volume. The new edition has expanded to such an extent, owing to the immense amount of new information now available, that it has had to be divided into three parts. Volume III Part 1 opens with a survey of the Balkans north of Greece in the Prehistoric period. This is the first time such a survey has been published of this area which besides its intrinsic interest is important for its influence on the cultures of the Aegean and Anatolia. The rest of the book is devoted to the tenth to the eighth centuries B. C. In Greece and the Aegean the main theme is the gradual regeneration from the Dark Age and the emergence of a society in which can be seen the beginnings of the city-state. During the same period in Western Asia and the Middle East the Kingdoms of Assyria and Babylonia rise to power, the Urartians appear, and in Palestine the kingdoms of Israel and Judah flourish. In Egypt the country's fortunes revive briefly under Shoshenq I. The final chapter in this part deals with the languages of Greece and the Balkans and with the invention and spread of alphabetic writing.