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According to the latest survey data of China hypertension annual meeting, there are about 300 million patients with hypertension in China, with 10 million new cases of hypertension each year, and there is an obvious trend of younger people. In particular, young and middle-aged people are in a state of mild hypertension for a long time, which causes great pressure on health and medical treatment. At present, the main clinical measures for mild hypertension are to change their eating habits, quit smoking and alcohol, exercise and other lifestyle changes, as well as drug control. For most patients with mild hypertension, drug control is not the best choice. It has been reported that remote ischemic preconditioning (RIPC) may play an effective role in reducing blood pressure .The purpose of this study was to investigate the extent of long-term application of RIPC to reduce blood pressure in patients with mild hypertension.
A total of 200 patients with mild hypertension were enrolled in this study, using the method of open label and parallel grouping; 100 cases in the experimental group and 100 cases in the control group, The experimental group was divided into life intervention + drug group and life intervention + ripc group, with 50 patients in each group. The results of 24-hour ambulatory blood pressure monitoring (ABPM) of the three groups were observed before and 3 months after use, including HR, pulse pressure, 24-hour systolic blood pressure, 24-hour diastolic blood pressure, daytime systolic blood pressure, daytime diastolic blood pressure, nighttime systolic blood pressure and nighttime diastolic blood pressure. The changes of renalase, catecholamine, renin, angiotensin - â…¡, aldosterone, RhoA kinase, no, adenosine and bradykinin were observed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| CRIC+MFT | Experimental | CRIC :Twice daily for 12 weeks using an automated cuff device. Each 30-minute session consisted of 3 cycles of 6 min inflation (pressure individualized: resting SBP-based increments of +40/+30/+20 mmHg depending on baseline SBP level) followed by 4 min deflation (0 mmHg). MFT:Twice daily guided audio sessions (synchronized with CRIC timing) emphasizing focused attention on breath and bodily sensations to foster mindful awareness. |
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| sham CRIC+MFT | Experimental | Sham CRIC: Identical schedule and device; each cycle used fixed 5 min inflation at 60 mmHg (non-ischemic) followed by 5 min deflation. MFT: Twice daily guided audio sessions (synchronized with CRIC timing) emphasizing focused attention on breath and bodily sensations to foster mindful awareness. |
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| CRIC+sham MFT | Experimental | CRIC :Twice daily for 12 weeks using an automated cuff device. Each 30-minute session consisted of 3 cycles of 6 min inflation (pressure individualized: resting SBP-based increments of +40/+30/+20 mmHg depending on baseline SBP level) followed by 4 min deflation (0 mmHg). Sham MFT: Twice daily equivalent-duration audio of looped neutral nature sounds (ocean waves, flowing water, birdsong) without mindfulness instructions. |
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| Sham CRIC+Sham MFT | Placebo Comparator | Sham CRIC: Identical schedule and device; each cycle used fixed 5 min inflation at 60 mmHg (non-ischemic) followed by 5 min deflation. Sham MFT: Twice daily equivalent-duration audio of looped neutral nature sounds (ocean waves, flowing water, birdsong) without mindfulness instructions. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| CRIC | Device | Remote Ischemic Conditioning (CRIC): Twice daily for 12 weeks using an automated cuff device. Each 30-minute session consisted of 3 cycles of 6 min inflation (pressure individualized: resting SBP-based increments of +40/+30/+20 mmHg depending on baseline SBP level) followed by 4 min deflation (0 mmHg). |
| Measure | Description | Time Frame |
|---|---|---|
| Mean systolic blood pressure | 24-hour Mean systolic blood pressure measured by Ambulatory blood pressure monitoring | 3 months |
| Mean diastolic blood pressure | 24-hour Mean diastolic blood pressure measured by Ambulatory blood pressure monitoring | 3 months |
| Measure | Description | Time Frame |
|---|---|---|
| Concentration of Renalase | blood renalase concentration | 3 months |
| Concentration of catecholamine | Blood catecholamine concentration |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| En Li | Contact | 13525070525 | 1799077212@qq.com |
| Name | Affiliation | Role |
|---|---|---|
| Muwei Li, MD | Chinese Academy of Medical Sciences, Fuwai Hospital | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Fuwai central China Cardiovascular hospital | Recruiting | Zhengzhou | Henan | 450008 | China |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 24627443 | Background | Jones H, Hopkins N, Bailey TG, Green DJ, Cable NT, Thijssen DH. Seven-day remote ischemic preconditioning improves local and systemic endothelial function and microcirculation in healthy humans. Am J Hypertens. 2014 Jul;27(7):918-25. doi: 10.1093/ajh/hpu004. Epub 2014 Mar 13. | |
| 21945497 | Background | Moro L, Pedone C, Mondi A, Nunziata E, Antonelli Incalzi R. Effect of local and remote ischemic preconditioning on endothelial function in young people and healthy or hypertensive elderly people. Atherosclerosis. 2011 Dec;219(2):750-2. doi: 10.1016/j.atherosclerosis.2011.08.046. Epub 2011 Sep 7. |
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IPD can be obtained from the researcher upon reasonable request
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| ID | Term |
|---|---|
| D006973 | Hypertension |
| ID | Term |
|---|---|
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
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| MFT | Behavioral | Sham CRIC: Identical schedule and device; each cycle used fixed 5 min inflation at 60 mmHg (non-ischemic) followed by 5 min deflation. |
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| sham CRIC | Other | Sham CRIC: Identical schedule and device; each cycle used fixed 5 min inflation at 60 mmHg (non-ischemic) followed by 5 min deflation. |
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| sham MFT | Other | Sham MFT: Twice daily equivalent-duration audio of looped neutral nature sounds (ocean waves, flowing water, birdsong) without mindfulness instructions. |
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| 3 months |
| Concentration of adenosine | blood adenosine concentration | 3 months |
| Concentration of bradykinin | blood bradykinin concentration | 3 months |
| Concentration of renin | blood renin concentration | 3 months |