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To observe blood pressure variation in various real-world settings
Arterial blood pressure (ABP) monitoring is a corner stone in perioperative management. However, proper control of SBP requires accurate measurement of ABP. The aim of this work is to validate the wrist OBP monitor in obese patients and compare it to upper arm location (in accuracy, convenience, and trending) using invasive blood pressure monitor as a reference standard.
The study will examine urinary sodium excretion induced by psychological stress and its diurnal pattern as a novel biological mechanism that may underlie an abnormal diurnal pattern of blood pressure. The study will test the hypotheses that lower stress-induced sodium excretion is associated with an abnormal diurnal pattern of sodium excretion, and that an abnormal diurnal pattern of sodium excretion is associated with an abnormal diurnal pattern of blood pressure. Primary Aim 1: To examine the association between urinary sodium excretion after provoked psychological stress and the diurnal pattern of sodium excretion. Primary Aim 2: To examine the association between the diurnal pattern of sodium excretion and the diurnal pattern of BP. Secondary Aim: To examine whether the association between urinary sodium excretion after provoked stress and the diurnal pattern of sodium excretion is modified by ecological momentary levels of perceived stress, experienced during the daytime period. Exploratory Aim: To determine the socio-demographic, behavioral, and psychological traits, chronic stress, and biological stress-related factors that are associated with lower stress-induced sodium excretion. Identification of these factors will help determine who is at risk for having a differential sodium excretion response to psychological stress.
To explore in a pilot randomized clinical trial, the impact of Home Blood Pressure Monitoring with patient directed information as compared to usual care on the postoperative management of blood pressure.
This four-arm randomized controlled trial was designed to study the effects of magnesium supplements (total daily dose: 450 mg elemental magnesium) on vascular stiffness in healthy overweight and slightly obese men and women. In addition, the effects of magnesium supplements on blood pressure and gut microbiota will be evaluated. Three groups will receive magnesium supplements (magnesium oxide, magnesium citrate or magnesium sulphate) and one group will receive a placebo.
This project aims to verify the chronic effect of Mat Pilates exercise on climacteric symptoms, ambulatory blood pressure responses, lipid and glucose profile and pro and anti-inflammatory and antioxidant markers in postmenopausal normotensive and hypertensive women. All volunteers received the same intervention.
In this clinical study the investigators will compare blood pressure measurements obtained using the non-invasive, continuous and wireless Biobeat monitoring device (a wrist watch or a patch configuration) to an invasive arterial line (radial or femoral) in 30 patients immediately after cardiac surgery, at the intensive care unit.
Hypertension is common side effect of Cushing Syndrome (CS): in patients with endogenous CS and those treated with glucocorticosteroids (GCs). The impact of the intravenous GCs therapy on blood pressure (BP) remains unclear. According to the European Group On Graves' Orbitopathy (EUGOGO), patients with active, severely symptomatic and sight-threatening Graves' orbitopathy (GO) should be treated with high dose intravenous methylprednisolone (IVMP) pulses. There are, however, reports of fatal side effects that may be associated with this therapy (e.g.: pulmonary embolism, myocardial infarction, severe cerebrovascular events, acute liver damage and sudden death). For this reason, the cumulative dose of IVMP should not exceed 8 g within each treatment course, and pulses should not be given on consecutive or alternate days, except for the case of dysthyroid optic neuropathy. A consensus on the monitoring of patients during and after IVMP pulse administration is not yet established. What is more, there is lack of paper regarding pattern of blood pressure at various time points during and after ivGCs administration. Thus, the investigators decided to evaluate acute changes of N-terminal pro-brain natriuretic peptide (NT-proBNP) as a marker of hemodynamic stress and to monitor BP before, during and after IVMP pulse administration. All of patients were treated routinely according to EUGOGO recommendations with standard doses of methylprednisolone with standard recommended schedule. Inclusion criterion for the therapy was according to EUGOGO guidelines active, moderate-to-severe and active GO (12 pulses of IVMP 6x0.5g followed by 6x0.25g every week).
The clinical protocol of the trial: 1. Objective of the trial: To assess the accuracy of device. 2. Test methods and procedures: Perform comparation test on seated position by two devices at the same time. 3. DUT: Transtek Blood Pressure Monitor, Model TMB-1591-A-002, with Cuff (sizes, cm) 15-21, 20-26, 25-34, 25-34(L), 32-43, 32-43(L), 40-55. 4. Reference device: Baumanometer Desk Mercury Sphygmomanometer. 5. Study endpoints: Comply with ANSI/AAMI ISO 81060-2:2013 standard. 6. Statistical methodology used: Standard deviation, Mean error.
The investigator's objective is to validate the novel automated blood pressure device against the requirements set forth in the AAMI_ISO 81060-2:2010 standard in voluntarily consented study participants.