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A 12-month weight loss intervention in adults with obstructive sleep apnoea: is timing important? A step wedge randomised trial.
Truby, Helen; Edwards, Bradley A; Day, Kaitlin; O'Driscoll, Denise M; Young, Alan; Ghazi, Ladan; Bristow, Claire; Roem, Kerryn; Bonham, Maxine P; Murgia, Chiara; Haines, Terry P; Hamilton, Garun S.
Afiliación
  • Truby H; School of Human Movement and Nutrition Sciences, University of Queensland, Melbourne, VIC, Australia.
  • Edwards BA; Department of Physiology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia.
  • Day K; School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia.
  • O'Driscoll DM; School of Clinical Sciences, Department of Nutrition, Dietetics and Food, Monash University, Melbourne, VIC, Australia.
  • Young A; Eastern Health, Department of Respiratory and Sleep Medicine, Melbourne, VIC, Australia.
  • Ghazi L; Eastern Health Clinical School, Monash University, Melbourne, VIC, Australia.
  • Bristow C; Eastern Health, Department of Respiratory and Sleep Medicine, Melbourne, VIC, Australia.
  • Roem K; Eastern Health Clinical School, Monash University, Melbourne, VIC, Australia.
  • Bonham MP; School of Clinical Sciences, Department of Nutrition, Dietetics and Food, Monash University, Melbourne, VIC, Australia.
  • Murgia C; School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia.
  • Haines TP; School of Clinical Sciences, Department of Nutrition, Dietetics and Food, Monash University, Melbourne, VIC, Australia.
  • Hamilton GS; School of Clinical Sciences, Department of Nutrition, Dietetics and Food, Monash University, Melbourne, VIC, Australia.
Eur J Clin Nutr ; 76(12): 1762-1769, 2022 12.
Article en En | MEDLINE | ID: mdl-35927505
BACKGROUND/OBJECTIVES: Continuous positive airway pressure (CPAP) concomitant with weight loss is a recommended treatment approach for adults with moderate-severe obstructive sleep apnoea (OSA) and obesity. This requires multiple synchronous behaviour changes. The aim of this study was to examine the effectiveness of a 6-month lifestyle intervention and to determine whether the timing of starting a weight loss attempt affects weight change and trajectory after 12 months in adults newly diagnosed with moderate-severe OSA and treated at home with overnight CPAP. METHODS: Using a stepped-wedge design, participants were randomised to commence a six-month lifestyle intervention between one and six-months post-enrolment, with a 12-month overall follow-up. Adults (n = 60, 75% males, mean age 49.4 SD 10.74 years) newly diagnosed with moderate-severe OSA and above a healthy weight (mean BMI 34.1 SD 4.8) were recruited. RESULTS: After 12 months, exposure to the intervention (CPAP and lifestyle) resulted in a 3.7 (95% CI: 2.6 to 4.8, p < 0.001) kg loss of weight compared to the control condition (CPAP alone). Timing of the weight loss attempt made no difference to outcomes at 12 months. When exposed to CPAP only (control period) there was no change in body weight (Coef, [95% CI] 0.03, [-0.3 to 0.36], p = 0.86). CONCLUSIONS: The lifestyle intervention resulted in a modest reduction in body weight, while timing of commencement did not impact the degree of weight loss at 12 months. These findings support the recommendation of adjunctive weight-loss interventions within six-months of starting CPAP.
Asunto(s)

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Apnea Obstructiva del Sueño Tipo de estudio: Clinical_trials / Guideline Límite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Eur J Clin Nutr Asunto de la revista: CIENCIAS DA NUTRICAO Año: 2022 Tipo del documento: Article País de afiliación: Australia

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Apnea Obstructiva del Sueño Tipo de estudio: Clinical_trials / Guideline Límite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Eur J Clin Nutr Asunto de la revista: CIENCIAS DA NUTRICAO Año: 2022 Tipo del documento: Article País de afiliación: Australia