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1.
Int J Clin Pract ; 64(6): 775-83, 2010 May.
Artigo em Inglês | MEDLINE | ID: mdl-20353431

RESUMO

BACKGROUND: As obesity prevalence and health-care costs increase, Health Care providers must prevent and manage obesity cost-effectively. METHODS: Using the 2006 NICE obesity health economic model, a primary care weight management programme (Counterweight) was analysed, evaluating costs and outcomes associated with weight gain for three obesity-related conditions (type 2 diabetes, coronary heart disease, colon cancer). Sensitivity analyses examined different scenarios of weight loss and background (untreated) weight gain. RESULTS: Mean weight changes in Counterweight attenders was -3 kg and -2.3 kg at 12 and 24 months, both 4 kg below the expected 1 kg/year background weight gain. Counterweight delivery cost was pound59.83 per patient entered. Even assuming drop-outs/non-attenders at 12 months (55%) lost no weight and gained at the background rate, Counterweight was 'dominant' (cost-saving) under 'base-case scenario', where 12-month achieved weight loss was entirely regained over the next 2 years, returning to the expected background weight gain of 1 kg/year. Quality-adjusted Life-Year cost was pound2017 where background weight gain was limited to 0.5 kg/year, and pound2651 at 0.3 kg/year. Under a 'best-case scenario', where weights of 12-month-attenders were assumed thereafter to rise at the background rate, 4 kg below non-intervention trajectory (very close to the observed weight change), Counterweight remained 'dominant' with background weight gains 1 kg, 0.5 kg or 0.3 kg/year. CONCLUSION: Weight management for obesity in primary care is highly cost-effective even considering only three clinical consequences. Reduced healthcare resources use could offset the total cost of providing the Counterweight Programme, as well as bringing multiple health and Quality of Life benefits.


Assuntos
Peso Corporal/fisiologia , Neoplasias do Colo/complicações , Doença das Coronárias/complicações , Diabetes Mellitus Tipo 2/complicações , Obesidade/terapia , Índice de Massa Corporal , Neoplasias do Colo/economia , Doença das Coronárias/economia , Análise Custo-Benefício , Diabetes Mellitus Tipo 2/economia , Feminino , Seguimentos , Humanos , Assistência de Longa Duração/economia , Masculino , Pessoa de Meia-Idade , Obesidade/economia , Atenção Primária à Saúde , Anos de Vida Ajustados por Qualidade de Vida
2.
Eur J Clin Nutr ; 59 Suppl 1: S93-100; discussion S101, 2005 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-16052202

RESUMO

OBJECTIVE: To improve the management of obese adults (18-75 y) in primary care. DESIGN: Cohort study. SETTINGS: UK primary care. SUBJECTS: Obese patients (body mass index > or =30 kg/m(2)) or BMI> or =28 kg/m(2) with obesity-related comorbidities in 80 general practices. INTERVENTION: The model consists of four phases: (1) audit and project development, (2) practice training and support, (3) nurse-led patient intervention, and (4) evaluation. The intervention programme used evidence-based pathways, which included strategies to empower clinicians and patients. Weight Management Advisers who are specialist obesity dietitians facilitated programme implementation. MAIN OUTCOME MEASURES: Proportion of practices trained and recruiting patients, and weight change at 12 months. RESULTS: By March 2004, 58 of the 62 (93.5%) intervention practices had been trained, 47 (75.8%) practices were active in implementing the model and 1549 patients had been recruited. At 12 months, 33% of patients achieved a clinically meaningful weight loss of 5% or more. A total of 49% of patients were classed as 'completers' in that they attended the requisite number of appointments in 3, 6 and 12 months. 'Completers' achieved more successful weight loss with 40% achieving a weight loss of 5% or more at 12 months. CONCLUSION: The Counterweight programme provides a promising model to improve the management of obesity in primary care.


Assuntos
Ciências da Nutrição/educação , Obesidade/terapia , Avaliação de Processos e Resultados em Cuidados de Saúde , Educação de Pacientes como Assunto , Atenção Primária à Saúde/métodos , Adolescente , Adulto , Idoso , Competência Clínica , Estudos de Coortes , Medicina Baseada em Evidências , Exercício Físico/fisiologia , Feminino , Promoção da Saúde/métodos , Humanos , Estilo de Vida , Masculino , Pessoa de Meia-Idade , Obesidade/dietoterapia , Obesidade/tratamento farmacológico , Cooperação do Paciente , Médicos de Família , Atenção Primária à Saúde/normas , Autoeficácia , Resultado do Tratamento , Reino Unido
3.
Obes Res Clin Pract ; 2(1): I-II, 2008 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-24351674

RESUMO

OBJECTIVES: To examine relationships between body mass index (BMI), prevalence of physician-recorded cardiovascular disease (CVD) risk factors in primary care, and changes in risk with 10% weight change. METHODS: The Counterweight Project conducted a baseline cross-sectional survey of medical records of 6150 obese (BMI ≥ 30 kg/m(2)), 1150 age- and sex-matched overweight (BMI 25 to <30 kg/m(2)), and 1150 age- and sex-matched normal weight (BMI 18.5 to <25 kg/m(2)) controls, in primary care. Data were collected for the previous 18 months to examine BMI and disease prevalence, and then modelled to show the potential effect of 10% weight loss or gain on risk. RESULTS: Obese patients develop more CVD risk factors than normal weight controls. BMI ≥ 40 kg/m(2) exhibits increased prevalence of type 2 diabetes mellitus (DM), odds ratio (OR) men: 6.16 (p < 0.001); women: 7.82 (p < 0.001) and hypertension OR men: 5.51 (p < 0.001); women: 4.16 (p < 0.001). Dyslipidaemia peaked around BMI 35 to <37.5 kg/m(2), OR men: 3.26 (p < 0.001); women 3.76 (p < 0.001) and CVD at BMI 37.5 to <40 kg/m(2) in men, OR 4.48 (p < 0.001) and BMI ≥ 40 kg/m(2) in women, OR 3.98 (p < 0.001). A 10% weight loss from the sample mean of 32.5 kg/m(2) reduced the OR for type 2 DM by 30% and CVD by 20%, while 10% weight gain increased type 2 DM risk by more than 35% and CVD by 20%. CONCLUSION: Obesity plays a fundamental role in CVD risk, which is reduced with weight loss. Weight management intervention strategies should be a public health priority to reduce the burden of disease in the population.

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