Publications by authors named "Boonen L"

Objective: Existing studies on shared decision-making (SDM) have hardly taken into consideration that patients could have independently developed expectations prior to their consultation with a healthcare provider, nor have studies explored how such expectations affect SDM. Therefore, we explore how pre-consultation expectations affect SDM in patients with low back pain.

Methods: We performed a qualitative study through telephone interviews with 10 patients and seven care professionals (physicians, nurse, physician assistants) and 63 in-person observations of patient-physician consultations in an outpatient clinic in the Netherlands.

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In health care systems based on managed competition, enrolees can choose between insurers who are positioned as prudent buyers of care on their behalf. To avoid risk selection, insurers are compensated through a system of risk equalisation. The Dutch system of risk equalisation is generally considered to be one of the most sophisticated in the world.

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In health care systems based upon managed competition, insurers are expected to negotiate with providers about price and quality of care. The Dutch experience, however, shows that quality plays a limited role in insurer-provider negotiations. It has been suggested that this is partly due to a lack of cooperation among insurers.

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In health care systems based on managed competition, insurers are expected to negotiate with providers about price, quantity, and quality of care. The Dutch experience shows that this expectation may be justified with regard to price and quantity, but for quality the results are less conclusive. To examine the incentives insurers face for enhancing quality of care, we conducted in-depth interviews with CEOs and organised separate focus groups with purchasers and marketers of five Dutch health insurers.

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Background: Parkinson's disease is a complex condition that is best managed by specialised professionals. Trials show that specialised allied health interventions are cost-effective, as compared with usual care. We aimed to study the long-term benefits of specialised physiotherapy using the ParkinsonNet approach in real-world practice.

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Aims: Guidelines advocate down-titration of loop diuretics in chronic heart failure (CHF) when patients have no signs of volume overload. Limited data are available on the expected success rate of this practice or how routine diagnostic tests might help steering this process.

Methods And Results: Fifty ambulatory CHF-patients on stable neurohumoral blocker/diuretic therapy for at least 3months without any clinical sign of volume overload were prospectively included to undergo loop diuretic down-titration.

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Background: This study investigates spot urinary chloride concentration in euvolemic chronic heart failure (CHF) patients.

Methods: This prospective cohort study included 50 ambulatory CHF patients on maintenance loop diuretics without recent hospital admission, clinical signs of volume overload, or adjustment in neurohumoral blocker or diuretic therapy. Spot urinary samples were collected immediately after loop diuretic intake.

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Background: We aimed to determine the accuracy of laser Doppler perfusion imaging (LDPI) in an animal model for hind limb ischemia.

Methods: We used a murine (C57Bl/6 mice) ischemic hind limb model in which we compared LDPI with the clinically used (99m)Tc-sestamibi SPECT perfusion imaging (n = 7). In addition, we used the SPECT tracer (99m)Tc-pyrophosphate ((99m)Tc-PyP) to image muscular damage (n = 6).

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We examine the impact of price, service quality and information search on people's propensity to switch health insurers in the competitive Dutch health insurance market. Using panel data from annual household surveys and data on health insurers' premiums and quality ratings over the period 2006-2012, we estimate a random effects logit model of people's switching decisions. We find that switching propensities depend on health plan price and quality, and on people's age, health, education and having supplementary or group insurance.

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We investigate the impact of the transition towards managed competition in the Dutch health care system on health insurers' contracting behaviour. Specifically, we examine whether insurers have been able to take up their role as prudent buyers of care and examine consumers' attitudes towards insurers' new role. Health insurers' contracting behaviour is investigated by an extensive analysis of available information on purchasing practices by health insurers and by interviews with directors of health care purchasing of the four major health insurers, accounting for 90% of the market.

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Context: To effectively bargain about the price and quality of health services, health insurers need to successfully channel their enrollees. Little is known about consumer sensitivity to different channeling incentives. In particular, the impact of status quo bias, which is expected to differ between different provider types, can play a large role in insurers' channeling ability.

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Purpose: To analyse the development of pharmaceutical policy in the Dutch market for outpatient prescription drugs since the early 1990s.

Methodology: A literature review and document analysis is performed to examine the effects of pharmaceutical policy on the performance of the Dutch market for outpatient prescription drugs since the early 1990s.

Findings: Government efforts to control prices of pharmaceuticals were effective in constraining prices of in-patent drugs, but had an opposite effect on the prices of generic drugs.

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Efficient contracting of health care requires effective consumer channeling. Little is known about the effectiveness of channeling strategies. We study channeling incentives on pharmacy choice using a large scale discrete choice experiment.

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Consumer channeling is an important element in the insurer-provider bargaining process. Health insurers can influence provider choice by offering insurance contracts with restricted provider networks. Alternatively, they can offer contracts with unrestricted access and use incentives to motivate consumers to visit preferred providers.

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