Publications by authors named "Molen M"

Objectives: Little is known about the effect of bronchoscopic lung volume reduction using endobronchial valves (BLVR-EBV) on extrapulmonary manifestations like body composition, muscle function or metabolism. Pulmonary rehabilitation (PR) clearly addresses extrapulmonary manifestations of COPD, including physical inactivity and low muscle mass. However, the added impact of BLVR-EBV+PR remains unknown.

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Introduction: Hyperglycemia is common in acute ischemic stroke, and associated with larger infarct volume and unfavorable functional outcome. To identify a subgroup that may benefit from glucose lowering in future studies, we assessed the evolution of glucose levels in the first 24 hrs after admission using continuous glucose monitoring in patients with anterior circulation large vessel occlusion ischemic stroke who underwent endovascular therapy (EVT).

Methods: In a prospective two center cohort study, consecutive patients with anterior circulation ischemic stroke, who were eligible for EVT within 24 hrs of symptom onset, were enrolled.

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  • Researchers created a computer tool to analyze diaphragm shape using CT scans in COPD patients, as diaphragm flatness can indicate disease severity.
  • The tool measures the diaphragm index, showing a clear trend where this index decreases with higher stages of COPD, marked by the GOLD classification.
  • Results suggest that the diaphragm index is positively correlated with lung function (FEV1) and negatively with emphysema severity, indicating it could be a helpful biomarker for assessing COPD.
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Adolescents experience significant developmental changes during a time of heightened sensitivity to social cues, particularly rejection by peers, which can be especially overwhelming for those with elevated levels of social anxiety. Social evaluative decision-making tasks have been useful in uncovering the neural correlates of information processing biases; however, linking youths' task-based performance to individual differences in psychopathology (e.g.

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  • Both bronchoscopic lung volume reduction with endobronchial valves (BLVR-EBV) and pulmonary rehabilitation (PR) are effective for patients with severe COPD, but the study aimed to investigate the effects of PR before and after BLVR-EBV versus BLVR-EBV alone.
  • A total of 97 severe COPD patients were studied, and the results showed no significant difference in exercise capacity or quality of life for those who received PR compared to those who only had BLVR-EBV after six months.
  • The findings suggest that adding PR to BLVR-EBV, whether before or after the procedure, did not enhance exercise capacity or patient outcomes compared to BLVR-EBV alone.
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Desmoplakin (DSP) is a desmosomal component expressed in skin and heart, essential for desmosome stability and intermediate filament connection. Pathogenic variants in the DSP gene encoding DSP, lead to heterogeneous skin, adnexa and heart-related phenotypes, including skin fragility, woolly hair (WH), palmoplantar keratoderma (PPK) and arrhythmogenic/dilated cardiomyopathy (ACM/DCM). The ambiguity of computer-based prediction analysis of pathogenicity and effect of DSP variants, indicates a necessity for functional analysis.

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Introduction: Patients with advanced emphysema eligible for bronchoscopic lung volume reduction (BLVR) using endobronchial valves (EBV) are characterized by severe static lung hyperinflation, which can be considered a treatable trait. Other treatable traits (TTs), which are assumed to be present in this highly selected patient group, have not been studied in detail nor how they may affect health-related quality of life (HRQL).

Aims: We aimed to evaluate a spectrum of TTs in COPD patients eligible for EBV treatment and their association with HRQL.

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The current aim is to illustrate our research on dyslexia conducted at the Developmental Psychology section of the Department of Psychology, University of Amsterdam, in collaboration with the nationwide IWAL institute for learning disabilities (now RID). The collaborative efforts are institutionalized in the Rudolf Berlin Center. The first series of studies aimed at furthering the understanding of dyslexia using a gamified tool based on an artificial script.

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  • Desmosomes are important protein structures that help cells stick together, and their dysfunction can lead to skin and heart problems.
  • This study identifies TUFT1 as a protein associated with desmosomes, particularly involved in maintaining skin integrity, with a specific genetic mutation linked to skin issues in two siblings.
  • The research also demonstrates that lack of TUFT1 impacts skin cell structure and toughness, and a mouse model with TUFT1 removed displayed similar skin fragility and related symptoms.
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  • The study aimed to determine the Minimal Important Difference (MID) of the Constant Work Rate Cycle Test (CWRT) specifically for patients with severe Chronic Obstructive Pulmonary Disease (COPD), as previous estimates were based on those with mild-to-moderate COPD.
  • A total of 141 patients with severe COPD were tested to assess the impact of various treatments, and their results were compared using multiple measures like the 6-minute walking test and lung capacity.
  • The research found that the MID for the CWRT in severe COPD patients is 250 seconds (or an 85% change from baseline), which is significantly higher than previously estimated for less severe cases.
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Second language proficiency may be related to first language acquisition (Ganschow & Sparks, 1991), but relatively little is known about the relation between first and second language grammatical proficiency in primary school children who are in their first stages of foreign language learning. This study aims to determine whether differences in Dutch and English vocabulary and Dutch grammar skills predict differences in English grammatical proficiency in Dutch speaking children who are in grade 4 in primary school. The selected participants are monolingual Dutch pupils (N = 152), aged 9;0-10;0.

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Vegetation and atmosphere processes are coupled through a myriad of interactions linking plant transpiration, carbon dioxide assimilation, turbulent transport of moisture, heat and atmospheric constituents, aerosol formation, moist convection, and precipitation. Advances in our understanding are hampered by discipline barriers and challenges in understanding the role of small spatiotemporal scales. In this perspective, we propose to study the atmosphere-ecosystem interaction as a continuum by integrating leaf to regional scales (multiscale) and integrating biochemical and physical processes (multiprocesses).

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Pulmonary hyperinflation in patients with chronic obstructive pulmonary disease has been related to smaller cardiac chamber sizes and impaired cardiac function. Currently, bronchoscopic lung volume reduction (BLVR) with endobronchial valves is a treatment option to reduce pulmonary hyperinflation in patients with severe emphysema. We hypothesized that reduction of hyperinflation would improve cardiac preload in this patient group.

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Pursuing dating relationships is important for many people's well-being, because it helps them fulfill the need for stable social relationships. However, the neural underpinnings of decision-making processes during the pursuit of dating interactions are unclear. In the present study, we used a novel online speed dating paradigm where participants (undergraduate students, N = 25, aged 18-25 years, 52% female) received direct information about acceptance or rejection of their various speed dates.

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Adolescence is a developmental period characterized by substantial biological, neural, behavioral, and social changes. Learning to navigate the complex social world requires adaptive skills. Although anticipation of social situations can serve an adaptive function, providing opportunity to adjust behavior, socially anxious individuals may engage in maladaptive anticipatory processing.

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New advanced bronchoscopic treatment options for patients with severe chronic obstructive pulmonary disease (COPD) have led to increased interest for COPD phenotyping, including fissure completeness. We investigated clinical, environmental, and genetic factors contributing to fissure completeness in patients with and without COPD. We used data from 9,926 participants of the COPDGene study who underwent chest computed tomographic (CT) scans.

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Background: Currently, patients with COPD who are evaluated for bronchoscopic treatments are routinely screened for pulmonary hypertension (PH) and systolic left ventricle dysfunction by echocardiography.

Objectives: We evaluated the prevalence of PH and systolic left ventricle dysfunction in this patient group and investigated if the previously proposed CT-derived pulmonary artery to aorta (PA:A) ratio >1 and PA diameter measurements can be used as alternative screening tools for PH.

Methods: Two hundred fifty-five patients were included in this retrospective analysis (FEV1 25%pred, RV 237%pred).

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