Publications by authors named "Jan Wind"

Purpose: The aim of this study is to assess cost-effectiveness of general practitioner (GP) versus surgeon-led colon cancer survivorship care from a societal perspective.

Methods: We performed an economic evaluation alongside the I CARE study, which included 303 cancer patients (stages I-III) who were randomised to survivorship care by a GP or surgeon. Questionnaires were administered at baseline, 3-, 6-, 12-, 24- and 36-months.

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Article Synopsis
  • - In the I CARE study, colon cancer patients were assigned to receive follow-up care from either general practitioners (GPs) or surgeons to analyze the impact on recurrence detection and time to recurrence.
  • - Out of 303 patients, slightly more recurrences were detected in the surgeon group compared to the GP group, but the difference was minimal and both groups showed similar outcomes in terms of mortality rates.
  • - The study concluded that follow-up care from GPs is just as effective as that from surgeons for detecting cancer recurrences and does not result in significant differences in patient survival rates.
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Objective: Patients treated for colon cancer report many symptoms that affect quality of life (QoL). Survivorship care aims at QoL improvement. In this study, we assess associations between symptoms and seeking supportive care and lower QoL and QoL changes overtime during survivorship care.

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Background: GPs are well placed to enhance shared decision making (SDM) about treatment for patients with advanced cancer. However, to date, little is known about GPs' views about their contribution to SDM.

Aim: To explore GPs' perspectives on their role in SDM about palliative cancer treatment and the requirements they report to fulfil this role.

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Objectives: The I CARE study (Improving Care After colon canceR treatment in the Netherlands) aims to compare surgeon-led to general practitioner (GP)-led colon cancer survivorship care. Recruitment to the trial took longer than expected. In this descriptive study, recruitment is critically reviewed.

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Background: Colon cancer is associated with an increased risk of physical and psychosocial morbidity, even after treatment. General practitioner (GP) care could be beneficial to help to reduce this morbidity. We aimed to assess quality of life (QOL) in patients who received GP-led survivorship care after treatment for colon cancer compared with those who received surgeon-led care.

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Background: Using advance care planning (ACP) to anticipate future decisions can increase compliance with people's end-of-life wishes, decrease inappropriate life-sustaining treatment and reduce stress, anxiety and depression. Despite this, only a minority of older people engage in ACP, partly because care professionals lack knowledge of approaches towards ACP with older people and their families.

Objective: To explore older people's and their families' experiences with ACP in primary care.

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Objective: To evaluate the introduction of a "time out consultation" with the general practitioner (GP) recommended to patients following the diagnosis of colorectal carcinoma (CRC) before start of treatment.

Methods: A prospective study using questionnaires to compare the number of GP consultations, with their content and outcomes before and after the introduction of an additional consultation with the GP to improve decision-making and adequate support.

Results: 72 patients before and 98 patients after the introduction of the "time out consultation" participated.

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Porous, porous/gutter layer and porous/gutter layer/selective layer types of membranes were investigated for their gas transport properties in order to derive an improved description of the transport performance of thin film composite membranes (TFCM). A model describing the individual contributions of the different layers' mass transfer resistances was developed. The proposed method allows for the prediction of permeation behaviour with standard deviations (SD) up to 10%.

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Objectives: Advance care planning (ACP) with older people needs to be approached differently than ACP with patients with a terminal illness. ACP is still used with only a minority of older patients due to a lack of knowledge regarding appropriate approaches to ACP with older people. General practitioners (GPs) may play a key role in ACP with older people.

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Introduction: While close collaboration between general practitioners (GPs) and hospital specialists is considered important, the sharing of care responsibilities between GPs and oncologists during palliative chemotherapy has not been clearly defined.

Objective: Evaluate the opinions of GPs and oncologists about who should provide different aspects of care for patients receiving palliative chemotherapy.

Design: We conducted semi-structured interviews using six hypothetical scenarios with purposively sampled GPs (n = 12) and oncologists (n = 10) in the Netherlands.

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Background: Due to ageing, increasing cancer incidence and improved treatment, the number of survivors of cancer increases. To overcome the growing demand for hospital care survivorship by the involvement of the general practitioner (GP) has been suggested. Dutch GPs started a project to offer survivorship care to their patients with the help of monthly oncology meetings with hospital specialists.

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Background: Few older people benefit from advance care planning (ACP), due to several barriers related to primary care professionals, such as insufficient knowledge, negative beliefs and a lack of time. Information on overcoming these barriers is limited. We assumed primary care professionals experienced in ACP with older patients are likely to have learned how to overcome these barriers.

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Background/aims: Several initiatives have started to transfer colorectal cancer follow-up (FU) from secondary to primary care. For this purpose, it is important to assess when and how recurrences of rectal carcinoma are detected after treatment with curative intent.

Methods: Retrospective multicentre cohort study.

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Background: As colon cancer is increasingly becoming a chronic illness with a broad range of symptoms, there is a need for individually tailored care for these patients.

Objective: To investigate patients' opinions about GP involvement in survivorship care and the use of eHealth applications, such as Oncokompas2.0, to support self-management.

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Purpose: Follow-up after colorectal cancer treatment with curative intent aims to detect recurrences and metachronous tumors in a timely manner. The objective of this study is to assess how recurrent disease presents and is diagnosed within scheduled follow-up according to the national guideline for the Netherlands.

Methods: In a retrospective study of consecutive patients with colorectal cancer who were treated in 2 hospitals in the Netherlands, we identified patients with colon cancer who underwent surgery with curative intent between January 2007 and December 2012.

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Objectives: The aim of this study was to explore the perspectives of general practitioners (GPs) regarding their current and future role in survivorship care of patients with colon cancer, and to assess their perspectives on patients' self-management capacities and the value of the eHealth application Oncokompas(2.0) used by patients.

Setting: GPs from the central part of the Netherlands were interviewed at their location of preference.

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Mixed-matrix membranes (MMMs) are promising candidates to improve the competitiveness of membrane technology against energy-intensive conventional technologies. In this work, MMM composed of poly(octylmethylsiloxane) (POMS) and activated carbon (AC) were investigated with respect to separation of higher hydrocarbons (C3+) from permanent gas streams. Membranes were prepared as thin film composite membranes on a technical scale and characterized via scanning electron microscopy (SEM) and permeation measurements with binary mixtures of n-C₄H10/CH₄ under varying operating conditions (feed and permeate pressure, temperature, feed gas composition) to study the influence on separation performance.

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Article Synopsis
  • * It utilizes a randomized controlled trial design, enrolling around 300 eligible patients with stages I, II, or III colon carcinoma, divided into four groups to assess the impact of an online self-management tool, Oncokompas(2.0).
  • * The primary goal is to evaluate how these different care approaches affect patients' quality of life, along with various secondary outcomes related to physical and psychosocial well-being.
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Gas permeation characteristics of carbon nanomembranes (CNMs) from self-assembled monolayers are reported for the first time. The assembly of CNMs onto polydimethylsiloxane (PDMS) support membranes allows mechanical measurements under compression as well as determination of gas permeation characteristics. The results suggest that molecular-sized channels in CNMs dominate the permeation properties of the 1 nm thin CNMs.

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In this study we report the preparation of nanohybrid dispersant molecules based on pyrene and polyhedral oligomeric silsesquioxanes for non-covalent functionalization of multi-walled carbon nanotubes (MWCNTs). The prepared dispersant improves the dispersion of MWCNTs in organic solvents with very different polarities such as tetrahydrofuran, toluene, and n-hexane. The functionalized MWCNTs were used to introduce conductivity into polydimethylsiloxane membranes which can be used for electrostatic discharge applications.

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Objective: To investigate which perioperative treatment, ie, laparoscopic or open surgery combined with fast track (FT) or standard care, is the optimal approach for patients undergoing segmental resection for colon cancer.

Summary Background Data: Important developments in elective colorectal surgery are the introduction of laparoscopy and implementation of FT care, both focusing on faster recovery.

Methods: In a 9-center trial, patients eligible for segmental colectomy were randomized to laparoscopic or open colectomy, and to FT or standard care, resulting in 4 treatment groups.

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Miniaturization and manipulation of materials at nanometer scale are key challenges in nanoscience and nanotechnology. In membrane science and technology, the fabrication of ultra-thin polymer films (defect-free) on square meter scale with uniform thickness (<100 nm) is crucial. By using a tailor-made polymer and by controlling the nanofabrication conditions, we developed and manufactured defect-free ultra-thin film membranes with unmatched carbon dioxide permeances, i.

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