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Connection regarding urinary salt and you may potassium removal with systolic blood pressure level on Diet Methods to End Blood circulation pressure Sodium Trial

Posted By: |Posted In: Jeevansathi visitors | March 20, 2022 | No Comment

The 2019 National Academy of Science, Engineering and Medicine Dietary Reference Intakes (DRI) for Sodium (Na + ) and Potassium (K + ) Report concluded there remains insufficient evidence to establish a K + DRI. This study tested the hypothesis that reduced Na + and increased K + excretion will positively associate with lower blood pressure in salt sensitive (SS) and salt resistant (SR) participants in the Dietary Approaches to Stop Hypertension Sodium Trial (DASH–Sodium). Via the NHLBI BioLINCC we accessed the DASH-Sodium dataset for data on systolic blood pressure (SBP), 24-h urinary Na + and K + excretion at screening (regular patient diet; N = 186, SS N = 222 SR) and post DASH diet (N = 71 SS, N = 119 SR). The relationships between SBP, urinary Na + and K + excretion, and Na + /K + ratio were assessed via linear regression. At screening elevated urinary Na + excretion positively associated with SBP in SS (1 g increase in urinary Na + excretion = +1 0 ± 0.4 mmHg) but not SR participants, and urinary K + excretion of <1 g K + /day was associated with higher SBP in SS and SR participants. Urinary K + excretion ?1 g/day, or a decreases in urinary Na + /K + ratio, was not associated with lower SBP. Post the DASH–sodium diet intervention, SBP was reduced in SS and SR participants. However, no correlation was observed between reduced SBP and urinary K + excretion or the urinary Na + /K + ratio irrespective of the salt sensitivity of blood pressure. Our data support the DRI recommendation not to establish a K + DRI and suggest further evidence is required to support a reduced Na + /K + ratio to lower SBP.

Inclusion

Blood pressure, typically the most popular low-communicable state globally, means a critical worldwide public health issue. In line with the 2017 Western Heart Organization (AHA) recommendations, the new frequency from blood pressure among us grownups try projected is 46% ; concurrently,

Relationship from urinary salt and you can potassium removal with systolic blood pressure level throughout the Weightloss Methods to End Hypertension Sodium Demo

50% regarding hypertensive people are estimated getting salt delicate (SS) . Due to the fact indexed because of the Federal Center having Chronic Problem Cures and you may Wellness Campaign statement

90% out-of American adults eat too much slimming down sodium (Na + ), having the typical everyday application exceeding 3400 milligrams when you look at the mature United states boys, a value nearly 3 x the fresh every single day use recommended by the AHA while the Federal Academy out-of Research, Technologies, and Treatments Fat loss Resource Consumption (DRI) . Since way too much weightloss Na + consumption, that will push the fresh new salt sensitivity off blood pressure levels while increasing blood circulation pressure exposure, globally slimming down Na + consumption try a community fitness risk. The brand new effect away from weight-loss Na + consumption towards blood circulation pressure could have been investigated into the multiple weight-loss intervention products promoting proof you to quicker diet sodium intake within the regulated configurations contributes to reductions inside the blood pressure levels [6,eight,8]. Then, meta-analyses keeps synchronised losing weight Na + limitation that have decrease inside the blood pressure level suggesting discover a medical benefit in normotensive and you will hypertensive anyone irrespective of the brand new sodium awareness out-of blood pressure [nine, 10].

Recent evidence suggests the salt sensitivity of blood pressure may be modulated, in part, by dietary potassium (K + ) intake. Increasing dietary K + intake appears to counteract the effects of dietary Na + intake on increasing blood pressure [11,12,13]. Despite several studies that have documented blood pressure lowering effects of increasing K + intake, the 2019 National Academy of Science, Engineering, and Medicine DRI for sodium and potassium Report did not establish a DRI for K + . This randki jeevansathi report concluded that more evidence is required to support a DRI of K + with particular reference to a lack of K + dose-response trials limiting the evidence to establish a K + DRI . Several studies have reported that the urinary Na + :K + ratio has a stronger association with blood pressure than Na + or K + independently [14, 15]. Largely based on these data, a urinary Na + to K + molar ratio of <1 has been recommended [16, 17] as a beneficial target to improve long-term blood pressure control. Given the high global dietary Na + intake this would necessitate dietary, or other means, of K + supplementation-for which a DRI has not been established . A leading dietary intervention study was the Dietary Approaches to Stop Hypertension 2 Trial (DASH-Sodium) conducted between 1997 and 2002 . The DASH-Sodium trial was a multicenter, randomized clinical trial that examined the impact of three levels dietary Na + intake in combination with either a control or DASH diet (rich in fruits, vegetables, and low-fat dairy products, and reduced in total fat) on blood pressure. This study demonstrated substantial effects of dietary Na + reduction and the DASH diet on reducing blood pressure, with more significant blood pressure lowering effects with the combination of a DASH diet plus dietary Na + reduction than dietary Na + restriction alone in individuals with higher than optimal blood pressure . Given that the DASH diet intervention elevated dietary K + intake by increasing dietary intake of fruits and vegetables in combination with modifying daily dietary Na + intake, examining the potential interaction between dietary Na + and K + intake on blood pressure in the DASH trial will provide valuable insight into the potential influence of dietary K + on blood pressure.

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