Background: The risk of urinary tract infections (UTIs) is increased by unnecessary placement and prolonged use of urinary catheters. Aim: To assess whether inappropriate use of catheters and... Show moreBackground: The risk of urinary tract infections (UTIs) is increased by unnecessary placement and prolonged use of urinary catheters. Aim: To assess whether inappropriate use of catheters and catheter-associated UTI were reduced through patient participation. Methods: In this multicentre, interrupted time-series and before-and-after study, we implemented a patient-centred app which provides catheter advice for patients, together with clinical lessons, feedback via e-mails and support rounds for staff members. Data on catheter use and infections were collected during a six-month baseline and a six-month intervention period on 13 wards in four hospitals in the Netherlands. Dutch Trial Register: NL7178. Findings: Between June 25th, 2018 and August 1st, 2019, 6556 patients were included in 24 point-prevalence surveys, 3285 (50%) at baseline and 3271 (50%) during the intervention. During the intervention 249 app users and a median of seven new app users per week were registered (interquartile range: 5.5e13.0). At baseline, inappropriate catheter use was registered for 175 (21.9%) out of 798 catheters, compared to 55 (7.0%) out of 786 during the intervention. Time-series analysis showed a non-significant decrease of inappropriate use of 5.8% (95% confidence interval: e3.76 to 15.45; P ¼ 0.219), with an odds ratio of 0.27 (0.19e0.37; P < 0.001). Catheter-associated UTI decreased by 3.0% (1.3e4.6; P ¼ 0.001), with odds ratio 0.541 (0.408e0.716; P < 0.001). Show less
BackgroundWhen research evidence is limited, inconsistent, or absent, healthcare decisions and policies need to be based on consensus among interested stakeholders. In these processes, the... Show moreBackgroundWhen research evidence is limited, inconsistent, or absent, healthcare decisions and policies need to be based on consensus among interested stakeholders. In these processes, the knowledge, experience, and expertise of health professionals, researchers, policymakers, and the public are systematically collected and synthesised to reach agreed clinical recommendations and/or priorities. However, despite the influence of consensus exercises, the methods used to achieve agreement are often poorly reported. The ACCORD (ACcurate COnsensus Reporting Document) guideline was developed to help report any consensus methods used in biomedical research, regardless of the health field, techniques used, or application. This explanatory document facilitates the use of the ACCORD checklist.Methods and findingsThis paper was built collaboratively based on classic and contemporary literature on consensus methods and publications reporting their use. For each ACCORD checklist item, this explanation and elaboration document unpacks the pieces of information that should be reported and provides a rationale on why it is essential to describe them in detail. Furthermore, this document offers a glossary of terms used in consensus exercises to clarify the meaning of common terms used across consensus methods, to promote uniformity, and to support understanding for consumers who read consensus statements, position statements, or clinical practice guidelines (CPGs). The items are followed by examples of reporting items from the ACCORD guideline, in text, tables, and figures.ConclusionsThe ACCORD materials—including the reporting guideline and this explanation and elaboration document—can be used by anyone reporting a consensus exercise used in the context of health research. As a reporting guideline, ACCORD helps researchers to be transparent about the materials, resources (both human and financial), and procedures used in their investigations so readers can judge the trustworthiness and applicability of their results/recommendations. Show less
This contribution describes societies and institutes in the Netherlands that played key roles in scholarly research on the Ancient Near East and Egypt. Public interest followed academic... Show moreThis contribution describes societies and institutes in the Netherlands that played key roles in scholarly research on the Ancient Near East and Egypt. Public interest followed academic developments at a distance. Leading figures, almost all academics, are briefly discussed.After a promising start in the 19th century, development in Dutch Egyptology was mostly limited to religious studies. Assyriology was largely a side-interest for theologians. While other European countries founded national scholarly societies and financed grand expeditions, attention in the Netherland was mainly directed to the Dutch East-Indies, with Oriental studies mostly a function of colonial administration, in combination with Semitic languages (connected to Bible studies).During the first quarter of the 20th century, Oriental studies in the Netherlands were marked by proliferation and specialisation – albeit with a continued emphasis on language studies, and usually from a biblical perspective. The general public was not yet involved. The second quarter of the 20th century saw further diversification of the field, a failed marriage between Ancient Near Eastern and Classical studies, and a broadening audience.After World War II, the range of history, language studies, and archaeology fully developed in the Netherlands. Internationalisation, rising population and student numbers, and economic growth were instrumental. The fourth quarter of the 20th century was characterised by the definitive division between Middle and Far Eastern versus Ancient Near Eastern studies. State-funded research was the norm; the popular audience increased.In the first quarter of the 21st century (not comprehensively addressed in this contribution) state-funded research declined while modest private initiatives (societies of museum and excavation “friends”) can be observed. Show less
Dental calculus. This small, hard, inconspicuous substance that forms on the teeth of humans and animals contains a surprising amount of information about our lives. During its formation and growth... Show moreDental calculus. This small, hard, inconspicuous substance that forms on the teeth of humans and animals contains a surprising amount of information about our lives. During its formation and growth as a living biofilm, it accumulates a wide variety particles, especially bacteria and food debris.What makes this so interesting to archaeologists is that, when plaque hardens and forms dental calculus, these particles become trapped and well-protected against removal and degradation during hundreds to thousands of years, preserving a picture of past activities.The major problem—one of the major problems, for there are several—one of the many major problems is that this picture was never a complete picture of a lifetime of activities, and that picture fades over time. We know that these problems exist and that they limit our interpretations of past activities. What we need to do is approach these problems at a fundamental level. In my dissertation I introduce a protocol for growing artificial dental calculus. Working with a very controlled model allows me to explore the influence of a wide range of factors that may affect the uptake of particles into dental calculus, and better explain why and how our picture is incomplete. Show less
Tuberculosis (TB) is associated with 1.5 million deaths annually. There is a need exists to optimize both current as well as novel antibiotic combination treatment strategies to improve the... Show moreTuberculosis (TB) is associated with 1.5 million deaths annually. There is a need exists to optimize both current as well as novel antibiotic combination treatment strategies to improve the effectiveness and safety of treatments against TB. This PhD thesis has described how various quantitative pharmacology modeling approaches can contribute to the further development and optimization of both existing and novel therapies and treatment strategies against TB. Show less
This book focuses on the general right of suspension regulated in article 6:52 et seq. of the Dutch Civil Code. The author pays attention, among other things, to the requirements for the power to... Show moreThis book focuses on the general right of suspension regulated in article 6:52 et seq. of the Dutch Civil Code. The author pays attention, among other things, to the requirements for the power to suspend, including the coherence criterion (Dutch: samenhangcriterium), which is also the central requirement. The author explains that this criterion is not a measure of judgment or criterion to be judged by itself, but the existence of sufficient coherence between mutual obligations to justify suspension is rather a conclusion that follows the application of the coherence criterion. The author also discusses how the general right of suspension is exercised. Under circumstances, that exercise may be unacceptable. This involves weighing the interests involved in that exercise. Procedural aspects of the general right of suspension are also discussed, including the dictum. The author discusses that under circumstances an order for gradual performance fits a defense of suspension better than a rejection of the claim. The author makes this concrete using many examples mainly from case law. This book is therefore relevant for both law and legal practice. Show less
The fundamental research question in this dissertation is what the image of man - in the broadest sense of the word - entails within the classical and modern enlightenment points of view. This... Show moreThe fundamental research question in this dissertation is what the image of man - in the broadest sense of the word - entails within the classical and modern enlightenment points of view. This overarching question is considered with regard to the notions of man maintained by the ancients and moderns, with regard to their visions of society, and with regard to the worldview these theories entail. We also evaluate which of the two paradigms is the more convincing upon scrutiny. We have answered such questions by distilling the ideas of the classical philosopher Aristotle -and some ontological ideas from his teacher, Plato- on the one hand, and from the modern intellectual giant, Thomas Hobbes, on the other hand. This is premised on the belief that the essential features of the classical and modern idealtype are to be found within their thought and works.In order to answer our central question, we had to look into the values which underly each vision of man. After all, values are the ideas that motivate our actions as individuals and as a community. We found that the classical vision is guided by the value of Virtue/Duty, Hierarchy and the pursuit of Community in a world permeated with objective values, whilst the modern conception embraces Freedom, Equality and Individuality in a world that is set free of objective values. Show less
Lung cancer is the leading cause of cancer death in the Netherlands. For years chemotherapy was the only (palliative) treatment, with a short survival of only months. Since the introduction of... Show moreLung cancer is the leading cause of cancer death in the Netherlands. For years chemotherapy was the only (palliative) treatment, with a short survival of only months. Since the introduction of immunotherapy in 2015, this survival has increased significantly, with the first results showing a survival of even a few years. However, the response rate is relatively low, the treatment is expensive and the (low percentage of) side effects are severe. Therefore a biomarker is needed to predict which patients would benefit of immunotherapy.This thesis is about the search for a new biomarker. With the use of the RNA of platelets, proteins, tumor markers in blood and a an electronic nose for exhaled breath, we tried to find a non-invasive biomarker for the prediction of response on immunotherapy and for the (future) use in clinical practice, some of which are promising. Show less
Space data provide timely and reliable information that enables a wide variety of civil and commercial applications. Thanks to their volume, velocity, variety, and veracity, space big data create... Show moreSpace data provide timely and reliable information that enables a wide variety of civil and commercial applications. Thanks to their volume, velocity, variety, and veracity, space big data create the potential for additional benefits from space data.The benefits of space big data depend on the ways in which data are collected, accessed, used, and disseminated, therefore the laws and data policies that affect them should be studied. This thesis answers the question ‘How could space big data be regulated to address existing legal challenges and enhance their benefits?’. In particular, it identifies the laws and data policies that are relevant to the collection, access, use, and dissemination of space big data, among the legal frameworks that govern activities involving space or data. It also assesses the impact of the relevant laws and data policies, in terms of the limitations they impose on data collection, access, use, and dissemination. From the analysis of the relevant laws and data policies and their impact, the thesis draws the areas where their application encounters difficulties and describes the respective legal challenges. Based on these findings, recommendations are provided for overcoming the legal challenges and enhancing the collection, access, use, and dissemination of data, and by extension, their benefits. Show less
In this dissertation, Dutch secondary school teachers’ attitudes, knowledge, noticing skills and reasoned practices regarding culturally responsive teaching in a multicultural classroom context,... Show moreIn this dissertation, Dutch secondary school teachers’ attitudes, knowledge, noticing skills and reasoned practices regarding culturally responsive teaching in a multicultural classroom context, were examined. These components of culturally responsive teaching were addressed in three explorative, qualitative studies. In the first study, expert teachers’ reasoned practices were examined by in depth interviews. In the second and third study, spherical video-based virtual reality (SV-VR) clips of a multicultural classroom were used to provide teachers an immersive, authentic and comparable experience. The second study focussed on student teachers’ and expert teachers’ noticing through a cultural lens. In the third study, the SV-VR clips were used for deeper reflections in focus groups through which expert teachers’ culturally responsive attitudes, knowledge, noticing skills and reasoned practices were examined. The main results of this dissertation show that expert teachers teaching at Dutch multicultural schools indicate that working on a good interpersonal relationship with students is crucial. Moreover, the importance of adopting a genuinely curious attitude regarding students’ Funds of Knowledge/ Identity is often referred to. Such knowledge is also seen as necessary to notice relevant classroom events. Recommendations are made for teacher education regarding preparing teachers to teach multicultural classes. Show less
Cerebral Amyloid Angiopathy (CAA) is one of the main causes of intracerebral hemorrhage (ICH) in the elderly, and affects millions of people worldwide. CAA is caused by the deposition of the... Show moreCerebral Amyloid Angiopathy (CAA) is one of the main causes of intracerebral hemorrhage (ICH) in the elderly, and affects millions of people worldwide. CAA is caused by the deposition of the protein Amyloid-β in the walls of the cerebral and leptomeningeal vessels, which leads to vessel fragility and eventually rupture. CAA has a variable disease course and can present with a spectrum of symptoms. There is currently no cure for CAA, and certain diagnosis during life remains challenging.This thesis has used data from patients with hereditary and non-hereditary (sporadic) CAA to investigate novel clinical and radiological (MRI) markers of CAA, and has used them to formulate a pathophysiologic framework for the temporal ordering of disease processes in CAA. Our results provide new insights in the disease cascade, can aid in diagnosing the disease and have important implications for future clinical trial design, aiding in the identification and timing of candidates for disease-modifying treatments and the choice for the appropriate biomarkers to monitor treatment effect. CAA is a disease with a complex disease cascade and a large variety in disease course, both clinically and radiologically. However, it is just this variety that gives hope for the future: if we find what drives variability in CAA we might find ways for disease modification, prevention and treatment, and identification of in vivo biomarkers with specificity for CAA are a vital part of this search. Show less
Zhang, L.; Cao, Z.; Sivertsen, G.; Kochetkov, D. 2024
Drawing on new data, Lin Zhang, Zhe Cao, Gunnar Sivertsen, and Dmitry Kochetkov explore how the conflict in Ukraine has changed Russian science and how international sanctions have played a minor... Show moreDrawing on new data, Lin Zhang, Zhe Cao, Gunnar Sivertsen, and Dmitry Kochetkov explore how the conflict in Ukraine has changed Russian science and how international sanctions have played a minor role compared to domestic politics in isolating Russian scientists. Show less
Time-series forecasting through modelling sequences of temporally dependent observations has many industrial and scientific applications. While machine learning models have been widely used to... Show moreTime-series forecasting through modelling sequences of temporally dependent observations has many industrial and scientific applications. While machine learning models have been widely used to create time-series forecasting models, creating efficient and performant time-series forecasting models is a complex task for domain users. Automated Machine Learning (AutoML) is a growing field that aims to make the process of creating machine-learning models accessible for non-machine learning experts. This is achieved by optimising machine learning pipelines automatically. Time-series machine-learning pipelines include various specialised pre-processing steps that are not currently supported by existing AutoML systems. This dissertation investigates how AutoML can be extended to time-series data analysis problems such as time-series forecasting. Several challenges arise when developing specialised AutoML systems for time-series forecasting. For instance, advanced machine-learning pipelines that can extract time-series features and select well-suited machine-learning models need to be developed. Also, extra hyperparameters such as the window size, which shows how many historical data points are helpful, need to be optimised by the AutoML system. This dissertation addresses these issues. We provide a comprehensive overview of the AutoML research field, including hyperparameter optimisation techniques, neural architecture search, and existing AutoML systems. Next, we investigate the use of AutoML for short-term forecasting, single-step ahead time-series forecasting, and multi-step time-series forecasting with time-series features. Show less
This thesis contains several investigations into the contribution of complement proteins, especially C1q, in several human diseases. Additionally, human autoantibodies against C1q (anti-C1q) are... Show moreThis thesis contains several investigations into the contribution of complement proteins, especially C1q, in several human diseases. Additionally, human autoantibodies against C1q (anti-C1q) are studied, cloned and characterized in order to further the understanding of their role in autoimmune disease. Show less
In this dissertation, I draw on twelve months of ethnographic fieldwork with Egyptians in Amsterdam to study how the nationalization of our imagination and social-legal and material infrastructures... Show moreIn this dissertation, I draw on twelve months of ethnographic fieldwork with Egyptians in Amsterdam to study how the nationalization of our imagination and social-legal and material infrastructures mediates social life. I describe how, just like the group of people categorized as Egyptian in Amsterdam is diverse, the Dutch state is too, consisting of a a range of images, laws, organizations, and people that embody them. I argue that this Dutch state multiple structures almost all aspects of life, but ultimately cannot define who we are, or what we do. Show less
The decision for immediate breast reconstruction after mastectomy is a preference-sensitive decision. For preference-sensitive decisions, shared decision making is propagated, but not yet properly... Show moreThe decision for immediate breast reconstruction after mastectomy is a preference-sensitive decision. For preference-sensitive decisions, shared decision making is propagated, but not yet properly implemented. Furthermore, prior studies identified unmet decision support needs in women considering breast reconstruction. With this thesis we aimed to optimally support women in making an informed decision about breast reconstruction. For this purpose, we developed an online patient decision aid (pDA) for breast cancer patients considering immediate breast reconstruction after mastectomy. This thesis describes the development and evaluation of this pDA. In our multicenter randomized controlled trial including 250 participants, we found that women who used the pDA felt better prepared for decision making, than women who received usual care. Other outcomes did not differ between both groups. Show less
The parabolic Anderson model (PAM), which is the Cauchy problem for the heat equation with random potential. The PAM is a mathematical model that describes how mass (i.e. matter or energy) flows in... Show moreThe parabolic Anderson model (PAM), which is the Cauchy problem for the heat equation with random potential. The PAM is a mathematical model that describes how mass (i.e. matter or energy) flows in a medium in the presence of a field of sources and sinks.The PAM has been extensively studied on regular lattices and is well understood there. However, the lattice is not always a suitable model and we look for extensions to random graphs. Very little is known for general graphs and the literature is extremely sparse. The present thesis is a contribution to this developing area. Because sparse random graphs can often be approximated by trees, the natural first step is to consider the PAM on a tree. In particular, this thesis is devoted to studying the PAM on random trees. Show less
This thesis is about the role of elites in Ethiopia's nation-building process, 1960-2020. The study aims to answer questions regarding the formation, manoeuvering and circulation of elites. Using a... Show moreThis thesis is about the role of elites in Ethiopia's nation-building process, 1960-2020. The study aims to answer questions regarding the formation, manoeuvering and circulation of elites. Using a combination of theoretical notions on elite circulation and elite bargaining as conceptual framework, the research employed mixed methods, including in-depth interviews and document analysis. The trajectory of Ethiopian state formation is analyzed, highlighting elites' evolving nature and characteristics across different regimes. From the imperial regime via the Derg and EPRDF regimes to today’s PP rule, changes in power structures, ideologies, and socioeconomic dynamics have influenced elite composition and behaviour. Various dimensions and instruments of nation-building like economic integration, cultural integration, political centralization, and the establishment of effective state institutions are discussed. It is concluded that successive governments struggled to effectively utilize these instruments. It resulted in fragmentation, polarization, and authoritarianism, as key challenges were not met, including the failure to establish a compelling ideology and unifying national symbols, to provide overall public goods, to further civil society, or develop overarching language and education policies. The study proposes recommendations to address these challenges to nation-building, including elite reconfiguration, fostering consensus among ruling elites and stakeholders, and reducing the dominance of politicized ethno-elites. Show less
