28 research outputs found

    Structured primary care for type 2 diabetes has positive effects on clinical outcomes

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    Abstract Background Patients with type 2 diabetes have an increased risk of developing microvascular and macrovascular complications. In routine diabetes care an adequate reduction of risk factors for these complications is often not achieved. Objective The aim of the study was to evaluate the effects of structured diabetes care on clinical outcomes of patients with type 2 diabetes in primary care. Methods We performed a quasi-experimental study on the effects of structured care consisting of organizational and educational components (n = 581) compared with care-as-usual (n = 152). We assessed clinical outcomes of HbA1c, blood pressure, cholesterol, creatinine and body mass index, at baseline and after 1 year. The long-term effects in the structured care group were determined after another 2 years. Results Structured care led to improvement in HbA1c and long-term improvements in blood pressure and cholesterol compared with care-as-usual. After 1 year, the percentage of patients who did not deteriorate was higher in the structured care group, again for HbA1c, diastolic blood pressure, low-density lipoprotein cholesterol and body mass index. Conclusions Structured diabetes care consisting of multiple components has a positive effect on clinical outcomes compared with care-as-usual. Our findings support its further implementation in order to reduce complications in type 2 diabetes patients

    Process evaluation of a lifestyle intervention in primary care: implementation issues and the participants' satisfaction of the GOAL Study

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    The Groningen Overweight and Lifestyle (GOAL) intervention effectively prevents weight gain. The present study describes a process evaluation in which 214 participants in the intervention group received a structured questionnaire within 7 months (a median of 5 months) after the end of the intervention. The authors investigated the content of the intervention (on basis of the participants' recall), the participants' satisfaction of the intervention, the participants' satisfaction with the nurse practitioners (NPs), and the determinants of the participants' satisfaction. In general, the results show that the content corresponded well with the protocol for the intervention, except for the number of telephone calls and the percentage of participants with individualized goals for a healthy lifestyle. The overall satisfaction of the participants was high, and success and perceived success and a low educational level were important determinants for a higher overall satisfaction grade. Furthermore, the NP was considered to be an expert and motivational to learning and keeping up a healthy lifestyle. The authors therefore conclude that the GOAL study is feasible and indicates that the NP is well equipped to treat these patients. However, it is recommended to reinforce the advice given and the lifestyle goals after the first contact sessions

    Preventing weight gain: one-year results of a randomized lifestyle intervention

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    BACKGROUND: Lifestyle interventions targeting prevention of weight gain may have better long-term success than when aimed at weight loss. Limited evidence exists about such an approach in the primary care setting. DESIGN: An RTC was conducted. SETTING/PARTICIPANTS: Participants were 457 overweight or obese patients (BMI=25-40 kg/m(2), mean age 56 years, 52% women) with either hypertension or dyslipidemia, or both, from 11 general practice locations in The Netherlands. INTERVENTION: In the intervention group, four individual visits to a nurse practitioner (NP) and one feedback session by telephone were scheduled for lifestyle counseling with guidance of the NP using a standardized computerized software program. The control group received usual care from their general practitioner (GP). MAIN OUTCOME MEASURES: Changes in body weight, waist circumference, blood pressure, and blood lipids after 1 year (dropout <10%). Data were collected in 2006 and 2007. Statistical analyses were conducted in 2007 and 2008. RESULTS: There were more weight losers and stabilizers in the NP group than in the general practitioner usual care (GP-UC) group (77% vs 65%; p<0.05). In men, mean weight losses were 2.3% for the NP group and 0.1% for the GP-UC group (p<0.05). Significant reductions occurred also in waist circumference but not in blood pressure, blood lipids, and fasting glucose. In women, mean weight losses were in both groups 1.6%. In the NP group, obese people lost more weight (-3.0%) than the non-obese (-1.3%; p<0.05). CONCLUSIONS: Standardized computer-guided counseling by NPs may be an effective strategy to support weight-gain prevention and weight loss in primary care, in the current trial, particularly among men. TRIAL REGISTRATION: The study was registered with the Netherlands Trial Register (NTR), www.trialregister.nl, study no. TC 1365

    Preventing weight gain by lifestyle intervention in a general practice setting - three-year results of a randomized controlled trial

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    Background: Weight regain after initial loss of weight is common, which indicates a need for lifestyle counseling aimed at preventing weight gain instead of weight loss. This study was conducted to determine whether structured lifestyle counseling by nurse practitioners (NPs) group compared with usual care by general practitioners (GP-UC) in overweight and obese patients can prevent (further) weight gain. Methods: A randomized controlled trial in 11 general practice locations in the Netherlands of 457 patients (body mass index, 25-40 [calculated as weight in kilograms divided by height in meters squared]; mean age, 56 years; 52% female) with either hypertension or dyslipidemia or both. The NP group received lifestyle counseling with guidance of the NP using a standardized software program. The GP-UC group received usual care from their GP. Main outcome measures were changes in body weight, waist circumference, blood pressure, and fasting glucose and blood lipid levels after 3 years. Results: In both groups, approximately 60% of the participants achieved weight maintenance after 3 years. There was no significant difference in mean (SD) weight change and change of waist circumference between the NP and GPUC groups (weight change: NP group, -1.2% [5.8%], and GP-UC group, -0.6% [5.6%] [P=.37]; and change of waist circumference: NP group, -0.8 [7.1] cm, and GP-UC group, 0.4 [7.2] cm[P=.11]). A significant difference occurred for mean (SD) fasting glucose levels (NP group, -0.02 [0.49] mmol/L, and GP-UC group, 0.10 [0.53] mmol/L [P=.02]) (to convert to milligrams per deciliter, divide by 0.0555) but not for lipid levels and blood pressure. Conclusions: Lifestyle counseling by NPs did not lead to significantly better prevention of weight gain compared with GPs. In the majority in both groups, lifestyle counseling succeeded in preventing (further) weight gain

    Determinants for the adoption of angiotensin II receptor blockers by general practitioners

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    Results of studies conducted 10-20 years ago show the prominence of commercial information sources in the adoption process of new drugs. Over the past decade, there has been a growing emphasis on practicing evidence-based medicine in drug prescribing. This raises the question whether professional information sources currently counterbalance the influence of commercial information sources in the adoption process. The aim of this study was to identify determinants influencing the adoption of a new drug class, the angiotensin II receptor blockers (ARBs), by general practitioners (CPs) in The Netherlands. A retrospective study was conducted to assess prevalent ARB prescribing for hypertensive patients,using the Integrated Primary Care Information (IPCI) database. We conducted a survey among all GPs who participated in the IPCI project in 2003 to assess their exposure to commercial and professional information sources, perceived benefits and risks of ARBs, perceived influences of the professional network, and general characteristics. Multilevel logistic regression was applied to identify determinants of ARB adoption while adjusting for patient characteristics. Data were obtained from 70 GPs and 9470 treated hypertensive patients. A total of 1093 patients received ARBs (12%). GPs who reported frequent use of commercial information sources were more likely to prescribe ARBs routinely in preference to other antihypertensives, whereas GPs who used a prescribing decision support system and those who were involved in pharmacotherapy education were less likely to prescribe ARBs. Other factors that were associated with higher levels of ARB adoption included a more positive perception of ARBs regarding their effectiveness in lowering blood pressure, and working in single-handed practices or in rural areas. Aside from determinants related to the patient population, adoption of a new drug class among Dutch GPs is still determined more by their reliance on promotional information than by their use of professional information sources. (c) 2006 Elsevier Ltd. All rights reserved
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