The Relationships Between Salt & Potassium | Healthy Eating | SF Gate
Your sodium-potassium balance has major implications for your health. With the frequent calls for low-salt diets, sodium has developed a bit of a bad study evaluated the relationship between sodium-potassium ratio and. Certain salt substitutes have a lot of potassium and very little sodium. They are not expensive and can be used freely unless you have certain medical conditions . The minerals sodium and potassium walk a tricky tightrope together as they work to balance the fluids in your body. Too much salt in your diet.
The quality of the evidence of the included studies was then graded using published guidelines. For some investigators, the relationship between dietary salt intake and health has been considered strong enough to make predictions regarding reduction in cardiovascular events and mortality should a population-wide reduction in dietary salt occur.
While there now appears to be relative agreement regarding a relationship between dietary salt intake and blood pressure, a cause-and-effect relationship between salt intake and cardiovascular event rates and mortality is more contentious.
It is worth noting that a definitive pre-clinical study of the effect of dietary salt and potassium intake on lifespan of mammals was published over a half century ago by Meneely and Ball.
Potassium and sodium out of balance
In addition, supplementing dietary potassium mitigated the effects of high salt intake. Nevertheless, the trials reviewed in this study provided high quality evidence supporting a health benefit from restricting dietary sodium and increasing potassium.
The debate was rekindled when a high-profile prospective study showing an association between low baseline UNa excretion and higher CVD mortality. Participants in that trial were treated with doses of furosemide between — mg twice daily, as well as spironolactone, angiotensin converting enzyme inhibitors, beta-blockers, and digitalis. In this heavily medicated population, a reduction in dietary salt intake promoted an increase in mortality.
Values obtained from spot urine specimens are not a suitable alternative for hour collections, especially among sick patients such as those included in the study. Medications such as diuretics, angiotensin-converting enzyme inhibitors, and angiotensin receptor blockers can greatly affect sodium levels in spot urine collections; and, the use of these drugs is more likely in those at greatest risk for CVD and is thus subsequently linked to a greater potential for measurement error.
Another study in patients with type 2 diabetes mellitus found that lower h UNa excretion was associated with increased all-cause and cardiovascular mortality. Sick individuals have a higher risk of disease progression and associated outcomes; and, as one becomes more ill, caloric intake along with salt intake can fall dramatically.
Although severe restrictions in dietary sodium intake might contribute to adverse outcomes in these patients with multiple co-morbidities, this classical framework, as noted by Whelton and colleagues, is potentially one of reverse causality. In contrast, some of the newer publications utilized data previously collected in studies that had a different purpose.
Although availability and access of observational data sets are more convenient and less expensive, one must take caution with interpretation of results as they are not specifically designed to explore the dietary salt risk or dietary potassium benefit in regard to CVD prevention.
Conclusions and Implications for Clinicians and the General Public In the US, current recommendations and guidelines 8182 emphasize a reduction in dietary salt and a simultaneous increase in dietary potassium consumption.
For potassium, the data suggest that supplementation is best achieved through alterations in the diet. The analyses provided in the present study support the application of these recommendations to the population as a whole, with some caveats. Because You determine what information to enter into the Services, We are not responsible for the accuracy of user-created data or any functionality that works on the user-created data.
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A Primer on Potassium - Sodium Breakup
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