PurposeThis study evaluated current fertility care forCKD patients by assessing the perspectives of nephrolo-gists and nurses in the dialysis department.MethodsTwo different surveys were distributed forthis cross-sectional study among Dutch nephrologists(N=312) and dialysis nurses (N=1211). ResultsResponse rates were 50.9% (nephrologists) and45.4% (nurses). Guidelines on fertility care were presentin the departments of 9.0% of the nephrologists and 15.6%of the nurses. 61.7% of the nephrologists and 23.6% ofthe nurses informed ≥50% of their patients on potentialchanges in fertility due to a decline in renal function.Fertility subjects discussed by nephrologists included “wishto have children” (91.2%), “risk of pregnancy for patients’health” (85.8%), and “inheritance of the disease” (81.4%).Barriers withholding nurses from discussing FD werebased on “the age of the patient” (62.6%), “insufficienttraining” (55.2%), and “language and ethnicity” (51.6%).29.2% of the nurses felt competent in discussing fertility,8.3% had sufficient knowledge about fertility, and 75.7%needed to expand their knowledge. More knowledge andcompetence were associated with providing fertility healthcare (p< 0.01). ConclusionsIn most nephrology departments, the guide-lines to appoint which care provider should provide fertil-ity care to CKD patients are absent. Fertility counselingis routinely provided by most nephrologists, nurses oftenskip this part of care mainly due to insufficiencies in self-imposed competence and knowledge and barriers based oncultural diversity. The outcomes identified a need for fer-tility guidelines in the nephrology department and trainingand education for nurses on providing fertility care. CC BY 4.0https://creativecommons.org/licenses/by/4.0/
MULTIFILE
The objective of this study was to determine the feasibility and efficacy of an exercise training program to improve exercise capacity and fatigue level in pediatric patients with end-stage renal disease (ESRD). Twenty children on dialysis intended to perform a 12-week graded community-based exercise program. Exercise capacity and fatigue level were studied; muscle force and health-related quality of life were secondary outcomes. All outcomes were measured at baseline (T = 0) and after intervention (T = 1). Fourteen of the 20 patients (70%) either did not start the program or did not complete the program. Of these patients, seven did not complete or even start the exercise program because of a combination of lack of time and motivational problems. Six patients were not able to continue the program or were unable to do the follow-up measurements because of medical problems. Exercise capacity and muscle strength was higher after the exercise program in the children who completed the training. In conclusion, exercise training is difficult to perform in children with ESRD and is not always feasible in real-life situations for many children with ESRD.
Introduction The research group Biobased Resources & Energy (BRE) of Avans focusses on recovery of valuable building blocks from low-value solid and liquid residual streams from agriculture, households and industries. For the valorisation of these residual streams, BRE looks into different biological, chemical and mechanical processes. One of the main issues in the utilisation of residual streams is economic feasibility and the recovery of multiple resources from one residual stream. Using membrane technologies in combination with biological, chemical and/or mechanical processes could offer great opportunities. Central Research Question What is the applicability of membrane technologies for valorisation of different residual streams and is it possible to integrate membrane technology in current and new biorefining projects of research group BRE: Set-up In order to reach the goal of this postdoc, 4 research questions will be answered using literature search, experimentation and modelling: 1) What membrane methods are currently (commercially) available to enhance the results of current projects in research group BRE? 2) What are the essential technical parameters for membrane separation and how can these be optimized? 3) What is the economic impact of using membrane technology in recovery of valuable building blocks from residual streams? 4) What are the effects of using membranes instead of or complementary to currently used methods on the sustainability of valorisation of residual streams? Cooperation The postdoc and the research group BRE want to extend the contact and research cooperation with (regional) businesses and (applied) universities and support and facilitate the introduction and further development of membrane technologies in the curriculum of different Avans study programmes. This will be done via internships, minor projects (together with businesses) and development of study material for courses and trainings.
This research is a collaborative project between Water Future, Looop, and MNEXT to address the valorisation of a residual stream that remain after valorisation of whey towards food and feed applications: whey permeate. This permeate is a high-volume but low-quality stream, which is currently used as a filler for mainly animal feed, but with the large amounts produced in NW-Europe it is essential to valorise whey permeate higher in the value chain, for example into a biobased resource which replace fossil-based resources in the chemical industry. To accomplish this, pre-processing steps are necessary to remove minerals. Electrodialysis (ED) can remove unwanted minerals from whey permeate by applying an electric field across its membranes. Using ED, whey permeate is expected to demineralize into a liquid which is suitable for application as biobased resource for various applications. Moreover, the extracted mineral stream can also be reused. This one-year project aims to quantify and optimize the demineralisation of whey permeates using a lab-scale ED setup to make the whey permeate stream suitable for re-use and thus reduce the environmental impact of this stream. The project involves setting up an ED setup provided by Water Future to treat whey permeates supplied by Looop, assessing the suitability of treated permeate as a biobased resource in the chemical industry and processing the produced mineral streams into new biobased resources. The result of this research will demonstrate the use of ED as a valorisation technique for whey permeates and the integration of multiple processes into a valorisation pathway to transform costly whey permeates into value-added products. MNEXT leads the research development, aiming to potentially establish a recycle strategy for resource recovery in the dairy industry. The results will be presented through educational activities, reports, digital platforms, and conferences to transfer knowledge to a broader audience.
