Publications by authors named "Veen R"

Photodynamic therapy (PDT) is a treatment modality clinically approved for several oncologic indications, including esophageal and endobronchial cancers, precancerous conditions including Barrett's esophagus and actinic keratosis, and benign conditions like age-related macular degeneration. While it is currently clinically underused, PDT is an area of significant research interest. Because PDT relies on the absorption of light energy by intrinsic or administered absorbers, the dosimetric quantity of interest is the absorbed energy per unit mass of tissue, proportional to the fluence rate of light in tissue.

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Statement Of Problem: A nasal prosthesis may compensate for a partial or complete defect of the nose associated with trauma or amputation. However, the design and production is time-consuming, expensive, and expertize-dependent. Computer-generated prosthesis models and 3D printing can optimize the process.

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Background: Metastatic retroperitoneal lymph node dissection (LND) for nodal recurrence is applied for a variety of cancers, such as urological, gynaecological and rectal cancer. Precise localisation and resection of these lymph nodes (LNs) during surgery can be challenging, especially after previous radiotherapy or surgery. The objective of this study was to assess the added value of surgical navigation for targeted LND in the retroperitoneum.

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Background: Sexual health is an important aspect of human well-being. In terms of sexual health and healthcare, sex workers might need more specialized care than others, given their higher risk for both discrimination and various sexually transmitted diseases. However, little is known about the quality of healthcare professionals' training regarding sexual health and healthcare of sex workers in Germany.

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Article Synopsis
  • The study investigated cognitive impairments in cerebellar disorders and identified two subtypes of cerebellar cognitive affective syndrome (CCAS) using cluster analysis.
  • The German CCAS-Scale was utilized to assess 205 cerebellar patients and 200 controls, revealing one cluster with severe cognitive impairment and another with milder deficits that often overlapped with healthy controls.
  • Findings suggest that cognitive performance in cerebellar patients is influenced by both demographic factors and cluster assignment, indicating that the assessment tool may struggle to detect milder impairments.
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Background: As in many other countries, the Dutch emergency healthcare system is under pressure due to increasing numbers of patients, limited budgets, and constrained (human) resources (TraumaNet AMC 19 May, 2016; Int J Emerg Med 6:41, 2013). eHealth, enlarged by the COVID-19 pandemic, has been advocated to substitute face-to-face care to alleviate the pressure of the burden of care (Ministry of Health Welfare and Sport, 2022; Dutch Society of Hospitals, 2022). In order for eHealth solutions to be adopted in daily practice, is it essential to assess healthcare professionals' attitudes toward its usefulness.

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Background: Orthopedic trauma care encounters challenges in follow-up treatment due to limited patient information provision, treatment variation, and the chaotic settings in which it is provided. Additionally, pressure on health care resources is rising worldwide. In response, digital follow-up treatment pathways were implemented for patients with orthopedic trauma, aiming to optimize health care resource use and enhance patient experiences.

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Purpose: In mandibular reconstructive surgery with free fibula flap, 3D-printed patient-specific cutting guides are the current state of the art. Although these guides enable accurate transfer of the virtual surgical plan to the operating room, disadvantages include long waiting times until surgery and the inability to change the virtual plan intraoperatively in case of tumor growth. Alternatively, (electromagnetic) surgical navigation combined with a non-patient-specific cutting guide could be used, requiring accurate image-to-patient registration.

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Cooperative photoinduced switching of molecular materials at the nanoscale is still in its infancy. Strongly cooperative spin-crossover nanomaterials are arguably the best prototypes of photomagnetic and volume-changing materials that can be manipulated by short pulses of light. Open questions remain regarding their non-equilibrium dynamics upon light excitation and the role of cooperative elastic interactions in nanoscale systems that are characterized by large surface/volume ratios.

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All humans have the occupational right to sleep; therefore, occupational therapy practitioners must prioritize sleep with their clients. In this column, we identify ways to incorporate sleep health into the education and training of occupational therapy practitioners. This starts with identifying entry-level and continuing education opportunities to proclaim sleep as an occupation and a basic biological need.

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Introduction: Specialized lifestyle programmes for patients undergoing metabolic-bariatric surgery (MBS) are provided to facilitate adjustment and adherence to a healthy lifestyle after surgery. However, pre-programme food and health literacy in MBS patients is often unknown. In the general population, approximately three-quarters of people exhibit sufficient health literacy.

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Background: Eukaryotic cells are highly compartmentalized by a variety of organelles that carry out specific cellular processes. The position of these organelles within the cell is elaborately regulated and vital for their function. For instance, the position of lysosomes relative to the nucleus controls their degradative capacity and is altered in pathophysiological conditions.

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Background: Obesity increases the risk of atrial fibrillation (AF). We hypothesize that 'obese' epicardial adipose tissue (EAT) is, regardless of comorbidities, associated with markers of AF vulnerability.

Methods: Patients >40y of age undergoing bariatric surgery and using <2 antihypertensive drugs and no insulin were prospectively included.

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The prefrontal cortex (PFC) plays an important role in social behavior and is sensitive to stressful circumstances. Challenging life conditions might change PFC function and put individuals at risk for maladaptive social behavior. The excitation-inhibition (EI) balance of prefrontal neurons appears to play a crucial role in this process.

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Background: Bariatric surgery with same-day discharge (SDD) is becoming increasingly common. Nevertheless, there is limited data available comparing gastric bypass patients with SDD to those with overnight hospitalization.

Objective: The aim of this study was to investigate the short-term outcomes of gastric bypass with SDD compared to overnight hospitalization in The Netherlands.

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Article Synopsis
  • * Data were compared from two periods: pre-VFC (2018) with 101 patients and post-VFC (2022) with 113 patients, showing a decrease in average wait time from 8.9 days to 7.6 days.
  • * Additionally, the percentage of surgeries delayed beyond 14 days dropped from 7% to 5%, indicating improved surgical planning and efficiency after VFC implementation.
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Enabling light-controlled ionic devices requires insight into photoionic responses in technologically relevant materials. Mixed-conducting perovskites containing nondilute Fe─serving as electrodes, catalysts, and sensors─can support large, electronically accommodated excursions in oxygen content, typically controlled by temperature, bias, and gas atmosphere. Instead, we investigated the ability of low-fluence, above-bandgap illumination to adjust oxygen stoichiometry and drive oxygen fluxes in nondilute Sr(TiFe)O ( = 0.

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Tight junctions play a pivotal role in the functional integrity of the human body by forming barriers that compartmentalize tissues and protect the body from external threats. Essential components of tight junctions are the transmembrane claudin proteins, which can polymerize into tight junction strands and meshworks. This study delves into the structural determinants of claudin polymerization, using the close homology yet strong difference in polymerization capacity between claudin-3 and claudin-4.

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Formation of fluid-filled lumina by epithelial tissues is essential for organ development. How cells control the hydraulic and cortical forces to control lumen morphology is not well understood. Here, we quantified the mechanical role of tight junctions in lumen formation using MDCK-II cysts.

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Background: Undetected obstructive sleep apnea (OSA) is highly prevalent in patients undergoing bariatric surgery and increases perioperative risks. Screening for OSA using preoperative polygraphy (PG) with subsequent continuous positive airway pressure (CPAP) is costly and time-consuming. Postoperative continuous pulse oximetry (CPOX) is less invasive, and is hypothesized to be a safe and cost-effective alternative.

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Trauma is one of the main causes of death in younger people and ongoing disability worldwide. In Europe, while there is generally good organization of trauma reception and acute treatment, rehabilitation from major musculoskeletal injuries is less well defined and provided. This article documents the diverse approaches to rehabilitation after major injury in 6 European nations.

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A multicenter review of Periorbital Necrotizing Fasciitis including nine cases, aged 41 to 82, mostly female, and mainly post-traumatic or idiopathic. Streptococcus pyogenes was the most frequent pathogen. Treatment involved debridement alongside antibiotic therapy in all cases.

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Article Synopsis
  • Ferrocene is an important electron donor, and understanding its excited states is crucial for creating effective donor-acceptor (D-A) molecules with stable charge transfer states.
  • Research using femtosecond optical transient absorption spectroscopy has identified two electronic excited states in a bimetallic D-A compound, with lifetimes of 30 ps and 500 ps, revealing a high-spin (d-d) state that is typically underrepresented in discussions about ferrocene.
  • X-ray transient absorption spectroscopy further confirmed the high-spin character of the state with a 500 ps lifetime, indicating notable structural changes that are significant for improving the design of ferrocene-based materials in photocatalysis and photovoltaics.
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Although widely used in follow-up treatment protocols, the added value of routine radiographs to clinical decision-making in nonoperative treatment of patients with metatarsal fractures is unclear. This retrospective cohort study aimed to determine whether routine follow-up radiographs contributed to changes in treatment strategies in nonoperative treatment of patients with a metatarsal fracture. Adult (aged ≥ 18 years) patients who received nonoperative follow-up treatment for a metatarsal fracture between May first, 2020 and May second, 2022 were included.

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Purpose: The demand for trauma care in the Netherlands is increasing due to a rising incidence of injuries. To provide adequate trauma care amidst this increasing pressure, a Virtual Fracture Care (VFC) review protocol was introduced for treatment of musculoskeletal injuries to the extremities (MIE). This study aimed to assess the influence of the Dutch VFC review protocol on secondary healthcare utilization (i.

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