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Blood Pressure - DOAJ

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Last Updated: 10 June 2022

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Discrepancy Between Invasive and Noninvasive Blood Pressure Measurements in Patients with Sepsis by Vasopressor Status

"The Surviving Sepsis Guidelines call for invasive arterial BP testing, although the benefits of noninvasive BP monitoring are uncertain. " Patients with sepsis requiring vasopressors are vulnerable to changes in treatment, according to We hypothesized that IABP monitoring would be linked to shifts in care among patients with sepsis. For the maintenance of mean arterial pressure of 65 mm Hg, we established a clinically significant BP discrepancy between NIBP and IABP measurement as a result of more than ten millimeters of mercury and change of BP leadership. In multivariable logistic regression, a higher Sequential Organ Failure Assessment score, and serum lactate were all associated with an elevated risk of clinically significant BPD. Conclusion: The use of vasopressors was also correlated with an elevated risk of a clinically significant blood pressure discrepancy between the IABP and NIBP measurements in our sample of septic patients. "Research is needed to confirm our findings and determine the benefits vs. the risk of harm of IABP monitoring in patients with sepsis. ".

Source link: https://doi.org/10.5811/westjem.2022.1.53211


Self-monitoring of blood pressure among women with hypertensive disorders of pregnancy: a systematic review

"In addition, during the COVID-19 response, WHO advice recommends SMBP for pregnant people with hypertension, which may help identify pre-eclampsia, increase end-user autonomy, and empowerment, and reduce health system burden. " During pregnancy, we conducted a systematic review of SMBP during pregnancy to expand the evidence base for WHO's guideline on self-care interventions. Methods We looked for journals that compared SMBP to clinic-based monitoring during antenatal care. Overall, there was no difference between SMBP and clinic-monitoring for the majority of the study's outcomes, although there were some instances of an elevated risk of C-section among pregnant women with persistent hypertension. According to one report, SMBP will save the health sector.

Source link: https://doi.org/10.1186/s12884-022-04751-7


Empirical analyses and simulations showed that different machine and statistical learning methods had differing performance for predicting blood pressure

"Abstract Machine learning is increasingly being used to predict clinical outcomes. " In a particular situation, we used Monte Carlo simulations to see whether machine learning techniques are more effective than statistical learning methods. In each of the simulated derivation samples, we applied the six learning strategies and evaluated results in the simulated validation samples. In both disease samples and across all six data-generation steps, neural networks tended to result in forecasts with lower predictive accuracy than the other five methods. Boosted trees and OLS regression did well across a variety of scenarios, according to the OLS regression model.

Source link: https://doi.org/10.1038/s41598-022-13015-5


Wearable Blood Pressure Sensing Based on Transmission Coefficient Scattering for Microstrip Patch Antennas

"Compared to previous cuff-based options, meatless, cuffles, and continuous blood pressure monitoring devices provide a more accurate measure of blood pressure for clinical diagnosis or continuous monitoring of hypertensive patients. " This research also looked at a novel way to get the pulse transit time as an alternative to measuring BP. Pulse transmit time is based on determining the time difference between the transmission coefficient scattering waveforms measured between the two pairs of metallic sensors, fueling the assumption that brachial arterial geometries are dynamic. With the rise in the brachial artery thickness-radius ratio, the absolute risk of arterial blood pressure rises. "The results of both methods show how the radius estimates, PTT and pulse wave velocity, as well as electromagnetic antenna propagation characteristics can be used to estimate continuous BP non-invasively. ".

Source link: https://doi.org/10.3390/s22113996


The Effects of Berry Polyphenols on the Gut Microbiota and Blood Pressure: A Systematic Review of Randomized Clinical Trials in Humans

"Berry intake has positive results on blood pressure. " Intestinal microbiota convert berry phytochemicals into more bioactive forms. Hence, we conducted a systematic review of random clinical trials to see if berry polyphenols in foods, extracts, or supplements had an effect on both the profile of gut microbiota and diastolic blood pressure in humans. Two blinded reviewers, who also conducted bias research independently, were imported into Covidence for screening and data extraction by two blinded reviewers, who also conducted bias analysis independently. One random clinical trial showed a low risk of bias, while the other two randomized clinical trials indicated a low, medium, or uncertain risk of bias. Berry intake for 8–u201312 weeks had no effect on both blood pressure and gut microbiota, according to the randomized clinical trials. "Some randomized clinical trials are needed to determine the effects of berry consumption on the appearance of gut microbiota and blood pressure in humans. ".

Source link: https://doi.org/10.3390/nu14112263


The Modulation of Arachidonic Acid Metabolism and Blood Pressure-Lowering Effect of Honokiol in Spontaneously Hypertensive Rats

"Background: Cardiovascular diseases have consistently been the leading cause of death in the United States over the last two decades, with 30 percent of the adult American population having hypertension. " The kidney's metabolites of arachidonic acid play a vital role in blood pressure control. The rats were euthanized and kidney tissue were collected after a total of three weeks of therapy to determine the activity of the two key enzymes involved in AA metabolism in the kidney, namely cytochrome P450 4A and soluble epoxide hydrolase. HON rats did not experience the increase in blood pressure in the untreated SHR. The rat kidney's high-dose HON significantly reduced blood pressure and reduced blood pressure, as well as cut the expression and protein expression of the CYP4A enzyme. By medium and high doses of HON, the production of the sEH enzyme in renal cytosol was severely reduced.

Source link: https://doi.org/10.3390/molecules27113396


Effects of Higher Normal Blood Pressure on Brain Are Detectable before Middle-Age and Differ by Sex

When researching the effects of age, sex, body mass index, and antihypertensive drugs, "Background: To quantify the relationship between blood pressure across its full range, brain volumes, and white matter lesions. " Methods: Participants in the UK Biobank were included and stratified by sex and four age groups, age groups, and four age groups. Using the FreeSufer software and WMLs, mean arterial pressure, systolic BP, diastolic BP, and brain volumes were used to determine the relationship between mean arterial pressure, systolic BP, diastolic BP, and brain volumes segmented. Both brain mass index, antihypertensive drug, and BP were all investigated in predicting brain volumes and WMLs. Both lower BMI and anti-hypertensive drugs had a protective effect. The full BP range from middle adulthood to old age is correlated with poorer cerebral stability across the full range.

Source link: https://doi.org/10.3390/jcm11113127


General Anesthesia-Related Drop in Diastolic Blood Pressure May Impact the Long-Term Outcome in Stroke Patients Undergoing Thrombectomy

"Methods: From the prospective STAY ALIVE stroke registry, records of consecutive patients with acute ischemic stroke were extracted. The minimum value of systolic, diastolic, and mean arterial pressure in the GA was significantly lower in the GA than in the CS group, and GA was characterized with a longer onset to EVT time and a higher decline in all hemodynamic variables. A rise in diastolic blood pressure was also associated with a poor 90-day result. Conclusion: A GA-related decrease in DBP may cause a short-term recovery in stroke patients undergoing thrombectomy.

Source link: https://doi.org/10.3390/jcm11112997


Effects of Obesity, Blood Pressure, and Blood Metabolic Biomarkers on Grey Matter Brain Healthcare Quotient: A Large Cohort Study of a Magnetic Resonance Imaging Brain Screening System in Japan

"This research looked at the connection between grey matter volume and blood biomarkers, blood pressure, and obesity. " We sought to clarify lifestyle causes that promote GM volume loss. The grey matter brain healthcare quotient, which represents the GM volume as a deviation value, was determined by us. Although the new cross-sectional study can't establish a cause-and-effect relationship, elevated BMI, u03b3-GTP, and fasting blood glucose may lead to GM volume loss," the current cross-sectional study cannot determine whether a cause-and-effect relationship, elevated BMI, u03b3-GTP, and fasting blood glucose could contribute to GM volume loss.

Source link: https://doi.org/10.3390/jcm11112973

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions