Important Food Sources of Fructose‐Containing Sugars and Incident Hypertension: A Systematic Review and Dose‐Response Meta‐Analysis of Prospective Cohort Studies
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BackgroundSugar‐sweetened beverages are associated with hypertension. We assessed the relation of important food sources of fructose‐containing sugars with incident hypertension using a systematic review and meta‐analysis of prospective cohort studies.Methods and ResultsWe searchedMEDLINE,EMBASE,and Cochrane (through December week 2, 2018) for eligible studies. For each food source, natural log‐transformed risk ratios (RRs) for incident hypertension were pooled using pair‐wise meta‐analysis and linear and nonlinear dose‐response meta‐analyses. Certainty in our evidence was assessed using Grading of Recommendations Assessment, Development and Evaluation. We identified 26 reports, including 15 prospective cohorts (930 677 participants; 363 459 cases). Sugar‐sweetened beverages showed harmful (RRper‐355‐mL, 1.10 [95%CI, 1.08, 1.12]) whereas fruit (RRper‐240‐g, 0.94 [95%CI, 0.96, 0.99]) and yogurt showed protective associations (RRper‐125‐g, 0.95 [95%CI, 0.94, 0.97]) with incident hypertension throughout the dose range. One hundred percent fruit juice showed a protective association only at moderate doses (RRat‐100‐mL, 0.97 [95%CI, 0.94, 0.99]). The pair‐wise protective association of dairy desserts was not supported by linear dose‐response analysis. Fruit drinks or sweet snacks were not associated with hypertension. Certainty of the evidence was “low” for sugar‐sweetened beverages, 100% fruit juice, fruit, and yogurt and “very low” for fruit drinks, sweet snacks, and dairy desserts.ConclusionsThe harmful association between sugar‐sweetened beverages and hypertension does not extend to other important food sources of fructose‐containing sugars. Further research is needed to improve our estimates and better understand the dose‐response relationship between food sources of fructose‐containing sugars and hypertension.RegistrationURL:https://www.clinicaltrials.gov/. Unique identifier:NCT02702375.
