About this trial
The purpose of this study is to learn about effects of remote ischemic conditioning on blood pressure in older patients with essential hypertension.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
1) Age ≥65 years and ≤85 years, regardless of gender;
2) History of essential hypertension and clinical systolic blood pressure ≥ 140 mmHg, regardless of whether they are receiving antihypertensive medication;
3) Willing to participate and sign the informed consent.
Disqualifiers
1) Secondary hypertension;
2) Clinical blood pressure ≥ 180/110 mmHg or 24-hour mean arterial pressure ≥ 170/100 mmHg;
3) Severe organ dysfunction or failure;
4) Severe hematologic disorders or significant coagulation abnormalities;
Trial design
Parallel
Treatments tested in this trial
Remote ischemic conditioning
Procedure/SurgeryRemote ischemic conditioning (RIC) is induced by 4 cycles of 5 min of upper limb ischemia followed by 5 min reperfusion. Limb ischemia was induced by the inflation of an automated cuff to the pressure rising by 20 mmHg from baseline systolic pressure. RIC will be conducted twice daily for 7 days.
Sham remote ischemic conditioning
Procedure/SurgerySham-RIC is performed in the same way as the treatment group except that the blood pressure cuff is inflated to 60 mmHg, which produces mild pressure sensations but has no blocking impact on blood flow.
Treatment groups
Trial outcomes
Primary outcomes
Mean systolic blood pressure
Difference in mean value of systolic blood pressure during RIC/sham-RIC between two groups.
Secondary outcomes
Mean diastolic blood pressure
Difference in mean value of diastolic blood pressure during RIC/sham-RIC between two groups.
Sponsors and contacts
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Yi Yang
Lead sponsor
The First Hospital of Jilin University
Sponsor institution