Utiliza este identificador para citar o vincular este elemento: http://hdl.handle.net/10553/35349
Títulos: Potato consumption does not increase blood pressure or incident hypertension in 2 cohorts of Spanish adults
Autores/as: Hu, Emily A.
Martínez-González, Miguel Ángel
Salas-Salvadó, Jordi
Corella, Dolores
Ros, Emilio
Fitó, Montse
García-Rodríguez, Antonio
Estruch, Ramón
Arós, Fernando
Fiol, Miquel
Lapetra, Josë
Serra-Majem, Lluis 
Pinto, Xavier
Ruiz-Canela, Miguel
Razquin, C.
Bullo, M.
Sorlí, José V.
Schröder, H.
Rebholz, Casey M.
Toledo, Estefanía
PREDIMED Study and SUN Project Investigators
Clasificación UNESCO: 3206 Ciencias de la nutrición
Palabras clave: Potatoes
Hypertension
Blood pressure
PREDIMED study
SUN cohort
Mediterranean
Fecha de publicación: 2017
Revistas: Journal of Nutrition 
Resumen: Background: Potatoes have a high glycemic load but also antioxidants, vitamins, and minerals. It is unclear what mechanisms are involved in relation to their effect on blood pressure (BP) and hypertension. Objectives: This study aimed to assess the association between potato consumption, BP changes, and the risk of hypertension in 2 Spanish populations. Methods: Separate analyses were performed in PREDIMED (PREvención con DIeta MEDiterránea), a multicenter nutrition intervention trial of adults aged 55-80 y, and the SUN (Seguimiento Universidad de Navarra) project, a prospective cohort made up of university graduates and educated adults with ages (means±SDs) of 42.7±13.3 y for men and 35.1± 10.7 y for women. In PREDIMED, generalized estimating equations adjusted for lifestyle and dietary characteristics were used to assess changes in BP across quintiles of total potato consumption during a 4-y follow-up. Controlled BP values (systolic BP < 140 mm Hg and diastolic BP < 90 mm Hg) during follow-up were also assessed. For SUN, multivariateadjusted HRs for incident hypertension during a mean 6.7-y follow-up were calculated. Results: In PREDIMED, the total potato intake was 81.9 ± 40.6 g/d. No overall differences in systolic or diastolic BP changes were detected based on consumption of potatoes. For total potatoes, the mean difference in change between quintile 5 (highest intake) and quintile 1 (lowest intake) in systolic BP after multivariate adjustment was 20.90 mm Hg (95% CI: -2.56, 0.76 mm Hg; P-trend = 0.1) and for diastolic BP was 20.02 mm Hg (95% CI: -0.93, 0.89 mm Hg; P-trend = 0.8). In SUN, the total potato consumption was 52.7 ± 33.6 g/d, and no significant association between potato consumption and hypertension incidence was observed in the fully adjusted HR for total potato consumption (quintile 5 compared with quintile 1: 0.98; 95% CI: 0.80, 1.19; P-trend = 0.8). Conclusions: Potato consumption is not associated with changes over 4 y in blood pressure among older adults in Spain or with the risk of hypertension among Spanish adults.
URI: http://hdl.handle.net/10553/35349
ISSN: 0022-3166
DOI: 10.3945/jn.117.252254
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