Myriam Van Winckel

Myriam Van Winckel

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Current Organizations / Institutes

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Previous Organizations / Institutes

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Myriam Van Winckel has a total of 199 co-authors. Here are the top co-authors by number of shared publications:


Latest Publications

  • Open Access

    What is the learning effect of video review in postgraduate medical education: a systematic review

    by Marieke Robbrecht, Myriam Van Winckel, Antonius Mulder, Mieke Embo

    Video review is a feasible, commonly used learning tool, but current literature lacks a comprehensive review of its impact on learning in postgraduate medical education. This systematic review aims at examining the learning effect of video review of resident performance in clinical practice during postgraduate medical education. A systematic literature search was conducted from May 2023 to July 2023 with an update on 12/12/2023. Databases of MEDLINE (Pubmed), Web of Science, Embase and ERIC (through Webquest) were searched. Eligible articles had to describe the learning effects of video review in clinical practice in postgraduate medical education. The videos had to be actively recorded in a setting where a camera was not normally used for standard patient care. The investigated effect needed to be classified at least as a Kirkpatrick level 2. We iteratively developed a standardized data extraction form to extract study characteristics. The methodological quality of the individual studies was assessed using the Medical Education Research Quality Instrument. Out of 9323 records after deduplication, 11 studies were included. The designs were randomised controlled trials (n = 4) and single-group pre-test post-tests trials (n = 7). The studies had outcomes related to knowledge and skills (n = 5), resident behaviours (n = 5) and patient outcome (n = 1). All studies reported outcomes regarding learning effect. Video review appears to have a positive impact on residents’ learning outcomes in postgraduate medical education. However, it is mostly not tailored to the specific learning needs of residents, and there is a lack of information regarding its optimal integration with other learning methods and within distinct clinical contexts. The heterogeneity observed among the included studies makes it challenging to formulate clear recommendations in the use of video.


  • Apoptotic enteropathy, gluten intolerance, and IBD-like inflammation associated with lipotoxicity in DGAT1 deficiency–related diarrhea: a case report of a 17-year-old patient and literature review

    by Ellen Deolet, Bert Callewaert, Jeroen Geldof, Stephanie Van Biervliet, Saskia Vande Velde, Jo Van Dorpe, Myriam Van Winckel, Anne Hoorens

    We present a long-term follow-up in a 17-year-old girl with DGAT1-related diarrhea, an autosomal recessive disorder characterized by impaired triglyceride absorption. Neonatal presentation included severe congenital diarrhea, protein-losing enteropathy, and failure to thrive requiring total parenteral nutrition. Duodenal biopsies revealed apoptotic enteropathy and acute inflammation with the presence of macrophages and Touton giant cells, related to the intake of fat. She was able to switch to enteral nutrition on a fat-free diet. However, at age 10, she developed gluten-induced enteropathy and then IBD-like inflammation 5 years later. Immunohistochemistry was able to confirm the diagnosis, while DGAT1 sequencing remained inconclusive. This highlights the role of histopathology and immunohistochemistry, despite the increasing importance of genetic analysis in the diagnostic work-up. This report also illustrates that parenteral nutrition weaning is possible in DGAT1-related diarrhea, but gut barrier dysfunction might increase the risk of autoimmune intestinal disease.


  • STUDENTS IN THE PICTURE: HOW TO IMPROVE WORKPLACE ‘LEARNING’ THROUGH THE USE OF VIDEO RECORDINGS

    by Marieke Robbrecht, Mahtab Zaghi, Twan Mulder, Koen Norga, Myriam Van Winckel, Mieke Embo

    Information about the paper titled "STUDENTS IN THE PICTURE: HOW TO IMPROVE WORKPLACE ‘LEARNING’ THROUGH THE USE OF VIDEO RECORDINGS" at IATED Digital Library

  • Open Access

    Belgian Consensus Recommendations to Prevent Vitamin K Deficiency Bleeding in the Term and Preterm Infant

    by Simon Fiesack, Anne Smits, Maissa Rayyan, Karel Allegaert, Philippe Alliet, Wim Arts, An Bael, Luc Cornette, Ann De Guchtenaere, Nele De Mulder, et al.

    Neonatal vitamin K prophylaxis is essential to prevent vitamin K deficiency bleeding (VKDB) with a clear benefit compared to placebo. Various routes (intramuscular (IM), oral, intravenous (IV)) and dosing regimens were explored. A literature review was conducted to compare vitamin K regimens on VKDB incidence. Simultaneously, information on practices was collected from Belgian pediatric and neonatal departments. Based on the review and these practices, a consensus was developed and voted on by all co-authors and heads of pediatric departments. Today, practices vary. In line with literature, the advised prophylactic regimen is 1 or 2 mg IM vitamin K once at birth. In the case of parental refusal, healthcare providers should inform parents of the slightly inferior alternative (2 mg oral vitamin K at birth, followed by 1 or 2 mg oral weekly for 3 months when breastfed). We recommend 1 mg IM in preterm <32 weeks, and the same alternative in the case of parental refusal. When IM is perceived impossible in preterm <32 weeks, 0.5 mg IV once is recommended, with a single additional IM 1 mg dose when IV lipids are discontinued. This recommendation is a step towards harmonizing vitamin K prophylaxis in all newborns.


  • Open Access

    Does Trypsin Oral Spray (Viruprotect®/ColdZyme®) Protect against COVID-19 and Common Colds or Induce Mutation? Caveats in Medical Device Regulations in the European Union

    by Suzy Huijghebaert, Guido Vanham, Myriam Van Winckel, Karel Allegaert

    Background: nasal or oral sprays are often marketed as medical devices (MDs) in the European Union to prevent common cold (CC), with ColdZyme®/Viruprotect® (trypsin/glycerol) mouth spray claiming to prevent colds and the COVID-19 virus from infecting host cells and to shorten/reduce CC symptoms as an example. We analyzed the published (pre)-clinical evidence. Methods: preclinical: comparison of in vitro tests with validated host cell models to determine viral infectivity. Clinical: efficacy, proportion of users protected against virus (compared with non-users) and safety associated with trypsin/glycerol. Results: preclinical data showed that exogenous trypsin enhances SARS-CoV-2 infectivity and syncytia formation in host models, while culture passages in trypsin presence induce spike protein mutants. The manufacturer claims >98% SARS-CoV-2 deactivation, although clinically irrelevant as based on a tryptic viral digest, inserting trypsin inactivation before host cells exposure. Efficacy and safety were not adequately addressed in clinical studies or leaflets (no COVID-19 data). Protection was obtained among 9–39% of users, comparable to or lower than placebo-treated or non-users. Several potential safety risks (tissue digestion, bronchoconstriction) were identified. Conclusions: the current European MD regulations may result in insufficient exploration of (pre)clinical proof of action. Exogenous trypsin exposure even raises concerns (higher SARS-CoV-2 infectivity, mutations), whereas its clinical protective performance against respiratory viruses as published remains poor and substandard.


  • Successful liver transplantation in hyperornithinemia‐hyperammonemia‐homocitrullinuria syndrome: Case report

    by Pauline De Bruyne, Patrick Verloo, Johan L. K. Van Hove, Bernard de Hemptinne, Saskia Vande Velde, Myriam Van Winckel, Stephanie Van Biervliet, Ruth De Bruyne

    Background: HHH syndrome is a rare autosomal recessive disorder of the urea cycle, caused by a deficient mitochondrial ornithine transporter. We report the first successful liver transplantation in HHH syndrome performed in a seven‐year‐old boy. The patient presented at 4 weeks of age with hyperammonemic coma. The plasma amino acid profile was suggestive of HHH syndrome, and the diagnosis was confirmed when sequencing of the SLC25A15 gene identified two mutations p.R275Q and p.A76D. Although immediate intervention resulted in normalization of plasma ammonia levels within 24 hours, he developed cerebral edema, coma, convulsions, and subsequent neurological sequelae. Metabolic control was difficult requiring severe protein restriction and continued treatment with sodium benzoate and L‐arginine. Despite substantial developmental delay, he was referred to our center for liver transplantation because of poor metabolic control. Following cadaveric split liver transplantation, there was complete normalization of his plasma ammonia and plasma amino acid levels under a normal protein‐containing diet. This excellent metabolic control was associated with a markedly improved general condition, mood and behavior, and small developmental achievements. Twelve years after liver transplantation, the patient has a stable cognitive impairment without progression of spastic diplegia.Conclusion: This first case of liver transplantation in HHH syndrome demonstrates that this procedure is a therapeutic option for HHH patients with difficult metabolic control.


  • Open Access

    Perspectives of Parents and Health Care Providers about (Non)Medical Treatment in Infants with Reflux

    by Santina Gorsen, Koen Boussery, Myriam Van Winckel, Rolinde Demeyer, Eline Tommelein

    Background: Reflux occurs in 50% of healthy infants at some point. This is most often a physiological condition and does not require drug treatment. Various studies have shown that the use of drugs affecting gastric acidity (DAGAs) in infants is increasing. This entails disadvantages such as unnecessary exposure of infants to medication and their side effects and a higher cost to society. Objective: To get an image of the current practice in Flanders regarding diagnosis and treatment of gastro-oesophageal reflux disease (GORD) in infants and the associated use of DAGAs. To this end, we determined both parents’ and health care providers’ experiences and perceptions about these treatments. Method: An observational cross-sectional study was conducted in April and May 2019. We developed a questionnaire for parents and three different questionnaires for health care providers (HCPs), including midwives, general practitioners, paediatricians and community pharmacists (CPs). The questionnaire for parents was only available through an online platform. HCPs were questioned face-to-face and through an online platform. Results: This study made clear that the counselling of children with GORD is multidisciplinary as the median number of counselling HCPs is 3 (interquartile range (IQR) = 2–4). 63% of the included 251 parents also seek support through online forums and groups. 60% of parents report that no physical tests were performed before DAGAs were prescribed and 39% of parents additionally state they perceived no effect of the prescribed DAGAs. Although parents reported to understand HCPs well (average score 7.4/10), satisfaction with care and information provision was scored lower (between 4.8 and 6.1/10). On the other hand, 234 HCPs answered the questionnaire, of which 89 midwives, 78 community pharmacists and 67 physicians. Only 45 HCPs indicate that guidelines to diagnose or treat GORD are clear. Physicians confirm they perform very little physical testing before starting DAGAs. Provided nonmedical measures to patients are largely in line with the European guidelines, however perceived effectiveness is moderate. Conclusion: Parents are in need for more information about tests, nutrition and (non)medical measures. HCPs on the other hand are in need for clear guidelines on diagnosing and treating GORD.


  • Primum non nocere: lingual frenotomy for breastfeeding problems, not as innocent as generally accepted

    by Stephanie Van Biervliet, Myriam Van Winckel, Saskia Vande Velde, Ruth De Bruyne, Marleen D’hOndt

    The frenotomy or surgical release of the lingual frenulum is performed with increasing frequency. Restricted tongue mobility, ankyloglossia, is the main indication for this procedure. This clinical diagnosis is often used as synonym for tongue-tie which is blamed for many feeding difficulties resulting in an increase in performed frenotomies. Until recently, little was known about the anatomical structure and normal variation of the tongue-tie. Different grading systems have been developed. Some are exclusively based on appearance of the tongue-tie; others also include functional elements. There is, however, no established relation between the tongue-tie score and the observed feeding problems or outcomes following frenotomy. Therefore, caution is warranted before submitting babies to this procedure. Conclusion: This narrative review aims to give an overview of current knowledge and concerns regarding the tongue-tie, which need to be considered before referral for a frenotomy. What is Known: • The presence of a tongue-tie is associated with a higher frequency of breastfeeding problems. • Hence, frenotomy is advocated and increasingly performed in infants with breastfeeding problems. Current tongue-tie classifications do not allow to predict breastfeeding problems. What is New: • New anatomy insights caution for possible complications resulting from this seemingly innocent practice of frenotomy. • Frenotomy should only be performed after multidisciplinary evaluation of feeding problems, following exclusion and remediation of other causative factors.