Publications by authors named "Rizopoulos D"

Background And Aims: The effectiveness of transition programs from paediatric to adult healthcare in adolescents with inflammatory bowel disease is not clear, as prospective studies using validated outcome measures for transition are lacking. This study aimed to develop and validate a quantitative Transition Success Score, and to apply it in a multicenter setting to assess the effectiveness of transitional care.

Methods: The Top 10 outcome items related to successful transition, identified through an international Delphi study with IBD stakeholders, were integrated into a generic questionnaire, the Transition Success Score.

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Background: Aortic wall shear stress (WSS) is a known predictor of ascending aortic growth in patients with a bicuspid aortic valve (BAV). The aim of this study was to study regional WSS and changes over time in BAV patients.

Methods: BAV patients and age-matched healthy controls underwent four-dimensional (4D) flow cardiovascular magnetic resonance (CMR).

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Article Synopsis
  • The study investigates the unique heart failure (HF) characteristics in patients with obesity by analyzing 4210 circulating proteins to identify obesity-specific biomarkers in those with reduced ejection fraction (HFrEF).
  • Out of 373 patients monitored over a median of 2.1 years, 26% were classified as obese, and 30% experienced critical heart failure outcomes, showing subtle differences in prognosis between obese and non-obese groups.
  • A total of 141 proteins linked to obesity were identified, with 50 of those associated with heart failure outcomes, indicating that these proteins could enhance healthcare strategies for managing obesity-related heart failure and suggest pathways for further research.
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  • The study investigates the differences in anti-tumour necrosis factor (TNF) treatment response between pediatric (pIBD) and adult (aIBD) inflammatory bowel disease patients, highlighting that children often experience a loss of response in their first year on medication.
  • Researchers conducted a prospective, observational study comparing biomarkers from both groups, monitoring treatment escalation and drug levels over 18 months.
  • The findings revealed that treatment escalation occurred more frequently in pIBD patients, and while no biomarkers for maintained response were identified, nine pro-inflammatory proteins emerged as potential predictors for loss of response in this group.
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  • The study aimed to create a method for reporting rare and severe adverse events in children with inflammatory bowel disease (IBD) to establish incidence rates, compare different regions, and benchmark against overall children’s adverse event rates.
  • Researchers utilized data from the PIBD-SETQuality Safety Registry, which collected information on ten specified adverse events among children under 19 diagnosed with IBD, reported by pediatric gastroenterologists.
  • The registry gathered monthly reports from doctors participating in a network, focusing only on recent events and excluding events that didn’t meet specific criteria or involved unverified IBD diagnoses.
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Background: Data on cost-effectiveness of first-line infliximab in paediatric patients with Crohn's disease are limited. Since biologics are increasingly prescribed and accompanied by high costs, this knowledge gap needs to be addressed.

Aim: To investigate the cost-effectiveness of first-line infliximab compared to conventional treatment in children with moderate-to-severe Crohn's disease.

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Aims: Examining the systemic biological processes in the heterogeneous syndrome of heart failure with reduced ejection fraction (HFrEF), as reflected by circulating proteins, in relation to echocardiographic characteristics, may provide insights into heart failure pathophysiology. We investigated the link of 4210 repeatedly measured circulating proteins with repeatedly measured echocardiographic parameters as well as with elevated left atrial pressure (LAP), in patients with HFrEF, to provide insights into underlying mechanisms.

Methods And Results: In 173 patients with HFrEF, we performed 6-monthly echocardiography and trimonthly blood sampling during a median follow-up of 2.

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The aim of this longitudinal cohort study, is to provide more insight into the pattern of brain abnormalities, and possible consequences for cognitive functioning, in patients with classic infantile Pompe disease. We included 19 classic infantile Pompe patients (median age last assessment 8.9 years, range 1.

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Background: The Nasal Obstruction Symptom Evaluation (NOSE) and the Functional subscale of the Standardized Cosmesis and Health Nasal Outcomes Survey (SCHNOS-O) are widely used patient-reported outcome measures to measure functional outcomes of rhinoplasty. However, as different instruments produce scores on different metrics, results of these instruments cannot be linked directly, thus hindering comparison and aggregating of rhinoplasty outcome data from practices using either instrument. The aim of this study was to develop and validate crosswalks between the NOSE and the SCHNOS-O.

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Prostate cancer patients who undergo prostatectomy are closely monitored for recurrence and metastasis using routine prostate-specific antigen measurements. When prostate-specific antigen levels rise, salvage therapies are recommended in order to decrease the risk of metastasis. However, due to the side effects of these therapies and to avoid over-treatment, it is important to understand which patients and when to initiate these salvage therapies.

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Background: Active surveillance (AS), where treatment is deferred until cancer progression is detected by a biopsy, is acknowledged as a way to reduce overtreatment in prostate cancer. However, a consensus on the frequency of taking biopsies while in AS is lacking. In former studies to optimize biopsy schedules, the delay in progression detection was taken as an evaluation indicator and believed to be associated with the long-term outcome, prostate cancer mortality.

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Background And Purpose: Pompe disease is a rare, inheritable, progressive metabolic myopathy. This study aimed to estimate the minimal clinically important difference (MCID) for an improvement in forced vital capacity in the upright seated position (FVC) and the 6-min walk test (6MWT) after a year of treatment with enzyme replacement therapy.

Methods: Data were obtained from two prospective follow-up studies.

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Joint models for longitudinal and time-to-event data are often employed to calculate dynamic individualized predictions used in numerous applications of precision medicine. Two components of joint models that influence the accuracy of these predictions are the shape of the longitudinal trajectories and the functional form linking the longitudinal outcome history to the hazard of the event. Finding a single well-specified model that produces accurate predictions for all subjects and follow-up times can be challenging, especially when considering multiple longitudinal outcomes.

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Aims: Risk assessment tools are needed for timely identification of patients with heart failure (HF) with reduced ejection fraction (HFrEF) who are at high risk of adverse events. In this study, we aim to derive a small set out of 4210 repeatedly measured proteins, which, along with clinical characteristics and established biomarkers, carry optimal prognostic capacity for adverse events, in patients with HFrEF.

Methods And Results: In 382 patients, we performed repeated blood sampling (median follow-up: 2.

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Article Synopsis
  • The study assessed the impact of early anti-TNF treatment for children diagnosed with Crohn's disease, focusing on high-risk individuals.
  • It involved tracking the health outcomes of 331 children over 2 years, comparing those who started anti-TNF therapy within 90 days of diagnosis to those who did not.
  • Results showed that early anti-TNF users had significantly better rates of achieving remission and mild/inactive disease at one year, especially among high-risk patients.
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Aims: This study aims to provide insight into sex-specific cardiovascular protein profiles and their associations with adverse outcomes, which may contribute to a better understanding of heart failure (HF) pathophysiology and the optimal use of circulating proteins for prognostication in women and men.

Methods And Results: In 250 stable patients with HF with reduced ejection fraction (HFrEF), we performed trimonthly blood sampling (median follow-up: 26 [17-30] months). We selected all baseline samples and two samples closest to the primary endpoint (PEP; composite of cardiovascular death, heart transplantation, left ventricular assist device implantation, and HF hospitalization) or one sample closest to censoring and applied the Olink Cardiovascular III panel.

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Objectives: Medical imaging plays an essential role in healthcare. As a diagnostic test, imaging is prone to substantial overuse and potential overdiagnosis, with dire consequences to patient outcomes and health care costs. Clinical decision support systems (CDSSs) were developed to guide referring physicians in making appropriate imaging decisions.

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With a treatment policy strategy, therapies are evaluated regardless of the disturbance caused by intercurrent events (ICEs). Implementing this estimand is challenging if subjects are not followed up after the ICE. This circumstance can be dealt with using delta adjustment (DA) or reference-based (RB) imputation.

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Objectives: Predicting the patients' tolerance to enteral nutrition (EN) would help clinicians optimize individual nutritional intake. This study investigated the course of several gastrointestinal (GI) biomarkers and their association with EN advancement (ENA) longitudinally during pediatric intensive care unit (PICU) admission.

Methods: This is a secondary analysis of the Early versus Late Parenteral Nutrition in the Pediatric Intensive Care Unit randomized controlled trial.

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Objective: Early-stage glottic cancer (ESGC) is a malignancy of the head and neck. Besides disease control, preservation and improvement of voice quality are essential. To enable expectation management and well-informed decision-making, patients should be sufficiently counseled with individualized information on expected voice quality.

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Background & Aims: Critically ill children are fed day and night, assuming this improves enteral tolerance and the probability of achieving nutritional goals. It was previously shown that a fasting response, reflected by increased ketosis, at least partly explained the beneficial outcome of delayed initiation of supplemental parenteral nutrition. This study aims to investigate whether an overnight fast increases ketosis and is feasible and safe in critically ill children.

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Objectives: Transition readiness can predict a successful transition from pediatric to adult care. This study aimed to validate and develop age-dependent reference scores for the (Dutch version of) Transition Readiness Assessment Questionnaire (TRAQ), in adolescents and young adults (AYAs) with inflammatory bowel disease (IBD).

Methods: TRAQ has 20 items (score 1-5) distributed over 5 domains (total sum score 100) and is completed by AYAs.

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Background And Objectives: Enzyme replacement therapy (ERT) has substantially improved the outcome of classic infantile Pompe disease, an inheritable muscle disease previously fatal at infancy. However, under treatment, patients develop white matter abnormalities and neurocognitive problems. Therefore, upcoming therapies also target the brain.

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