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Replacing salt with low-sodium salt substitutes (LSSS) for cardiovascular health in adults, children and pregnant women
CONCLUSIONS: When compared to regular salt, LSSS probably reduce blood pressure, non-fatal cardiovascular events and cardiovascular mortality slightly in adults. However, LSSS also probably increase blood potassium slightly in adults. These small effects may be important when LSSS interventions are implemented at the population level. Evidence is limited for adults without elevated blood pressure, and there is a lack of evidence in pregnant women and people in whom an increased potassium intake is known to be potentially harmful, limiting conclusions on the safety of LSSS in the general population. We also cannot draw firm...
Source: Cochrane Database of Systematic Reviews - August 9, 2022 Category: General Medicine Authors: Amanda Brand Marianne E Visser Anel Schoonees Celeste E Naude Source Type: research

Effects of a gluten-reduced or gluten-free diet for the primary prevention of cardiovascular disease
CONCLUSIONS: Very low-certainty evidence suggested that it is unclear whether gluten intake is associated with all-cause mortality. Our findings also indicate that low-certainty evidence may show little or no association between gluten intake and cardiovascular mortality and non-fatal myocardial infarction. Low-certainty evidence suggested that a lower compared with a higher gluten intake may be associated with a slightly increased risk to develop type 2 diabetes - a major cardiovascular risk factor. For other cardiovascular risk factors it is unclear whether there is a difference between a gluten-free and normal diet. Giv...
Source: Cochrane Database of Systematic Reviews - February 24, 2022 Category: General Medicine Authors: Christine Schmucker Angelika Eisele-Metzger Joerg J Meerpohl Cornelius Lehane Daniela Kuellenberg de Gaudry Szimonetta Lohner Lukas Schwingshackl Source Type: research

Calcium supplementation for prevention of primary hypertension
CONCLUSIONS: An increase in calcium intake slightly reduces both systolic and diastolic blood pressure in normotensive people, particularly in young people, suggesting a role in the prevention of hypertension. The effect across multiple prespecified subgroups and a possible dose response effect reinforce this conclusion. Even small reductions in blood pressure could have important health implications for reducing vascular disease. A 2 mmHg lower systolic blood pressure is predicted to produce about 10% lower stroke mortality and about 7% lower mortality from ischaemic heart disease. There is a great need for adequately-pow...
Source: Cochrane Database of Systematic Reviews - January 11, 2022 Category: General Medicine Authors: Gabriela Cormick Agust ín Ciapponi Mar ía Luisa Cafferata Mar ía Sol Cormick Jos é M Belizán Source Type: research

Intermittent fasting for the prevention of cardiovascular disease.
CONCLUSIONS: Intermittent fasting was seen to be superior to ad libitum feeding in reducing weight. However, this was not clinically significant. There was no significant clinical difference between IF and CER in improving cardiometabolic risk factors to reduce the risk of CVD. Further research is needed to understand the safety and risk-benefit analysis of IF in specific patient groups (e.g. patients with diabetes or eating disorders) as well as the effect on longer-term outcomes such as all-cause mortality and myocardial infarction. PMID: 33512717 [PubMed - as supplied by publisher]
Source: Cochrane Database of Systematic Reviews - January 29, 2021 Category: General Medicine Authors: Allaf M, Elghazaly H, Mohamed OG, Fareen MFK, Zaman S, Salmasi AM, Tsilidis K, Dehghan A Tags: Cochrane Database Syst Rev Source Type: research

Pioglitazone for prevention or delay of type 2 diabetes mellitus and its associated complications in people at risk for the development of type 2 diabetes mellitus.
CONCLUSIONS: Pioglitazone reduced or delayed the development of T2DM in people at increased risk of T2DM compared with placebo (low-certainty evidence) and compared with no intervention (moderate-certainty evidence). It is unclear whether the effect of pioglitazone is sustained once discontinued. Pioglitazone compared with metformin neither showed advantage nor disadvantage regarding the development of T2DM in people at increased risk (low-certainty evidence). The data and reporting of all-cause mortality, SAEs, micro- and macrovascular complications were generally sparse. None of the included studies reported on QoL or so...
Source: Cochrane Database of Systematic Reviews - November 19, 2020 Category: General Medicine Authors: Ipsen EØ, Madsen KS, Chi Y, Pedersen-Bjergaard U, Richter B, Metzendorf MI, Hemmingsen B Tags: Cochrane Database Syst Rev Source Type: research

Reduction in saturated fat intake for cardiovascular disease.
CONCLUSIONS: The findings of this updated review suggest that reducing saturated fat intake for at least two years causes a potentially important reduction in combined cardiovascular events. Replacing the energy from saturated fat with polyunsaturated fat or carbohydrate appear to be useful strategies, while effects of replacement with monounsaturated fat are unclear. The reduction in combined cardiovascular events resulting from reducing saturated fat did not alter by study duration, sex or baseline level of cardiovascular risk, but greater reduction in saturated fat caused greater reductions in cardiovascular events. ...
Source: Cochrane Database of Systematic Reviews - May 18, 2020 Category: General Medicine Authors: Hooper L, Martin N, Jimoh OF, Kirk C, Foster E, Abdelhamid AS Tags: Cochrane Database Syst Rev Source Type: research

Omega-3 fatty acids for the primary and secondary prevention of cardiovascular disease.
CONCLUSIONS: This is the most extensive systematic assessment of effects of omega-3 fats on cardiovascular health to date. Moderate- and low-certainty evidence suggests that increasing LCn3 slightly reduces risk of coronary heart disease mortality and events, and reduces serum triglycerides (evidence mainly from supplement trials). Increasing ALA slightly reduces risk of cardiovascular events and arrhythmia. PMID: 32114706 [PubMed - in process]
Source: Cochrane Database of Systematic Reviews - February 28, 2020 Category: General Medicine Authors: Abdelhamid AS, Brown TJ, Brainard JS, Biswas P, Thorpe GC, Moore HJ, Deane KH, Summerbell CD, Worthington HV, Song F, Hooper L Tags: Cochrane Database Syst Rev Source Type: research

Metformin for prevention or delay of type 2 diabetes mellitus and its associated complications in persons at increased risk for the development of type 2 diabetes mellitus.
CONCLUSIONS: Metformin compared with placebo or diet and exercise reduced or delayed the risk of T2DM in people at increased risk for the development of T2DM (moderate-quality evidence). However, metformin compared to intensive diet and exercise did not reduce or delay the risk of T2DM (moderate-quality evidence). Likewise, the combination of metformin and intensive diet and exercise compared to intensive diet and exercise only neither showed an advantage or disadvantage regarding the development of T2DM (very low-quality evidence). Data on patient-important outcomes such as mortality, macrovascular and microvascular diabe...
Source: Cochrane Database of Systematic Reviews - December 2, 2019 Category: General Medicine Authors: Madsen KS, Chi Y, Metzendorf MI, Richter B, Hemmingsen B Tags: Cochrane Database Syst Rev Source Type: research

Mediterranean-style diet for the primary and secondary prevention of cardiovascular disease.
CONCLUSIONS: Despite the relatively large number of studies included in this review, there is still some uncertainty regarding the effects of a Mediterranean-style diet on clinical endpoints and CVD risk factors for both primary and secondary prevention. The quality of evidence for the modest benefits on CVD risk factors in primary prevention is low or moderate, with a small number of studies reporting minimal harms. There is a paucity of evidence for secondary prevention. The ongoing studies may provide more certainty in the future. PMID: 30864165 [PubMed - as supplied by publisher]
Source: Cochrane Database of Systematic Reviews - March 12, 2019 Category: General Medicine Authors: Rees K, Takeda A, Martin N, Ellis L, Wijesekara D, Vepa A, Das A, Hartley L, Stranges S Tags: Cochrane Database Syst Rev Source Type: research

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