Heart Rate Variability Biofeedback Intervention on the Stress Response of Prehypertensives

Effects of heart rate variability biofeedback on cardiovascular responses and autonomic sympathovagal modulation following stressor

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-TRC-14005001

Enrollment

Unknown

Registered

2014-07-24

Start date

2014-07-24

Completion date

Unknown

Last updated

2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prehypertension

Interventions

SAB:slow abdominal breathing

HRV-BF:HRV-biofeedback

control:Nil

Eligibility

Sex/Gender

All

Age

19 Years to 23 Years

Inclusion criteria

Inclusion criteria: 1. Age 18-30;2. Confirmed diagnosis of prehypertension (PHT) according to the JNC 7 criteria (SBP: 120-139mmHg and/or DBP: 80-89mmHg) were considered to participate in this study.

Exclusion criteria

Exclusion criteria: Subjects with symptoms or clinical criteria suggestive of cardiopulmonary, metabolic, or major psychiatric diseases were excluded. None of the participants were receiving medical treatment before enrollment; They were required to abstain from food or drink for 2 hours prior to the training process and caffeine on the day of training to control for the impact of these variables on autonomic cardiovascular responses.

Design outcomes

Primary

Measure	Time frame
HR;RSP;GSR;BVP;HRV;	—

Countries

China

Contacts

Public ContactTinghuai Wang

wangth@mail.sysu.edu.cn+86 13808862124

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026