Blood pressure
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age requirement Women over 18 years old in the middle and late stages of pregnancy (mid pregnancy: 13-27 weeks, late pregnancy: 28 weeks and beyond) 2. Blood pressure distribution requirements (1) At least 28 pregnant women with normal blood pressure (systolic blood pressure=140mmHg and/or diastolic blood pressure >=90mmHg, and 24-hour proteinuria=140mmHg and/or diastolic blood pressure >=90mmHg, accompanied by proteinuria, 24-hour proteinuria>300mg). 3. Voluntarily participate in this clinical trial and sign an informed consent form; 4. Good compliance and ability to cooperate in completing the entire clinical trial.
Exclusion criteria
Exclusion criteria: 1. Individuals with mental illness or those who cannot cooperate quietly (speaking/moving during the measurement process); Subjects who may have difficulty measuring blood pressure due to skin or limb reasons; 2. Individuals undergoing dialysis treatment or taking anticoagulants, antiplatelet agents, steroids, and other medications; 3. Those outside the coverage range of arm cuff size; Or subjects who have difficulty measuring blood pressure while sitting; 4. Patients with arrhythmia (arrhythmia that may affect the accuracy of blood pressure measurement as determined by the researcher; excluding sinus tachycardia that is common during pregnancy and the researcher believes does not affect measurement); 5. Patients with peripheral arterial disease and diseases that may affect arterial compliance; 6. Smoking, drinking coffee or not emptying the bladder within 30 minutes before measurement; 7. The doctor believes that there are other situations that are not suitable for inclusion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Mean error and standard deviation;Consistency between experimental blood pressure monitor and reference blood pressure values;The relationship between arm circumference and measurement error; | — |
Secondary
| Measure | Time frame |
|---|---|
| Relative error of pulse frequency;Safety evaluation; | — |
Countries
China
Contacts
The First Affiliated Hospital of Anhui Medical University