PennCare Internal Medicine Associates

Delaware County, Delaware, United States

PennCare Internal Medicine Associates

Delaware County, Delaware, United States
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Wadden T.A.,University of Pennsylvania | Wadden T.A.,Haverford College | Volger S.,University of Pennsylvania | Tsai A.G.,Aurora University | And 72 more authors.
International Journal of Obesity | Year: 2013

Primary care practitioners (PCPs) have been encouraged to screen all adults for obesity and to offer behavioral weight loss counseling to the affected individuals. However, there is limited research and guidance on how to provide such intervention in primary care settings. This led the National Heart Lung and Blood Institute in 2005 to issue a request for applications to investigate the management of obesity in routine clinical care. Three institutions were funded under a cooperative agreement to undertake the practice-based opportunities for weight reduction (POWER) trials. The present article reviews selected randomized controlled trials, published before the initiation of POWER, and then provides a detailed overview of the rationale, methods and results of the POWER trial conducted at the University of Pennsylvania (POWER-UP). POWER-UP's findings are briefly compared with those from the two other POWER trials, conducted at Johns Hopkins University and Harvard University/Washington University. The methods of delivering behavioral weight loss counseling differed markedly across the three trials, as captured by an algorithm presented in the article. Delivery methods ranged from having medical assistants and PCPs from the practices provide counseling to using a commercially available call center, coordinated with an interactive website. Evaluation of the efficacy of primary care-based weight loss interventions must be considered in light of costs, as discussed in relation to the recent treatment model proposed by the Centers for Medicare and Medicaid Services. © 2013 Macmillan Publishers Limited All rights reserved.


Sarwer D.B.,University of Pennsylvania | Moore R.H.,University of Pennsylvania | Moore R.H.,North Carolina State University | Diewald L.K.,University of Pennsylvania | And 72 more authors.
International Journal of Obesity | Year: 2013

Objective: This study investigated changes in the quality of life of men and women who participated in a primary care-based weight loss intervention program. Methods: Participants were enrolled in a 2-year randomized clinical trial (POWER-UP) conducted at the University of Pennsylvania and in six affiliated primary care practices. Inclusion criteria included the presence of obesity (body mass index of 30-50 kg m-2) and at least two components of the metabolic syndrome.Main Outcome Measures:Quality of life was assessed by three measures: the Short Form Health Survey (SF-12); the Impact of Weight on Quality of Life-Lite; and the EuroQol-5D. RESULTS: Six months after the onset of treatment, and with a mean weight loss of 3.9±0.3 kg, participants reported significant improvements on all measures of interest with the exception of the Mental Component Score of the SF-12. These changes remained significantly improved from baseline to month 24, with the exception of the EuroQol-5D. Many of these improvements were correlated with the magnitude of weight loss and, for the most part, were consistent across gender and ethnic group. Conclusions: Individuals with obesity and components of the metabolic syndrome reported significant improvements in most domains of the quality of life with a modest weight loss of 3.7% of initial weight, which was achieved within the first 6 months of treatment. The majority of these improvements were maintained at month 24, when participants had lost 3.0% of their weight. © 2013 Macmillan Publishers Limited All rights reserved.


Volger S.,University of Pennsylvania | Wadden T.A.,University of Pennsylvania | Wadden T.A.,Haverford College | Sarwer D.B.,University of Pennsylvania | And 72 more authors.
International Journal of Obesity | Year: 2013

OBJECTIVE: To examine changes in eating behaviors and physical activity, as well as predictors of weight loss success, in obese adults who participated in a 2-year behavioral weight loss intervention conducted in a primary care setting. DESIGN: A longitudinal, randomized controlled, multisite trial. SUBJECTS: Three hundred ninety obese (body mass index, 30-50 kg m-2) adults, ≥21 years, in the Philadelphia region. METHODS: Participants were assigned to one of three interventions: (1) Usual Care (quarterly primary care provider (PCP) visits that included education on diet and exercise); (2) Brief Lifestyle Counseling (quarterly PCP visits plus monthly lifestyle counseling (LC) sessions about behavioral weight control); or (3) Enhanced Brief LC (the previous intervention with a choice of meal replacements or weight loss medication). RESULTS: At month 24, participants in both Brief LC and Enhanced Brief LC reported significantly greater improvements in mean (±s.e.) dietary restraint than those in Usual Care (4.4±0.5, 4.8±0.5 and 2.8±0.5, respectively; both P-values≤0.016). The percentage of calories from fat, along with fruit and vegetable consumption, did not differ significantly among the three groups. At month 24, both the Brief LC and Enhanced Brief LC groups reported significantly greater increases than usual care in energy expenditure (kcal per week) from moderately vigorous activity (+593.4±175.9, +415.4±179.6 and -70.4±185.5 kcal per week, respectively; both P-values≤0.037). The strongest predictor of weight loss at month 6 (partial R2 =33.4%, P<0.0001) and at month 24 (partial R2 =19.3%, P<0.001) was food records completed during the first 6 months. Participants who achieved a 5% weight loss at month 6 had 4.7 times greater odds of maintaining a ≥5% weight loss at month 24. CONCLUSIONS: A behavioral weight loss intervention delivered in a primary care setting can result in significant weight loss, with corresponding improvements in eating restraint and energy expenditure. Moreover, completion of food records, along with weight loss at month 6, is a strong predictor of long-term weight loss. © 2013 Macmillan Publishers Limited All rights reserved.

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