Effects of vagus stimulation by a slow deep breathing technique on the haemodynamics of intermediate coronary stenosis

Not Applicable

Recruiting

• Conditions: I25.1; Atherosclerotic heart disease

• Registration Number: DRKS00022888
• Lead Sponsor: Allgemeine und Interventionelle Kardiologie, Elektrophysiologie, Angiologie, Pneumologie und Internistische Intensivmedizin Herzzentrum der Uniklinik Köln

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2020-09-09
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 88

Inclusion Criteria

Indication for cardiac catheterization with RFR-measurement

Exclusion Criteria

Pregnant and lactating women are not included in the study. Persons who are held in custody by court or governmental order will be excluded. Patients who are expected to have problems in conducting the study (dementia, alcohol/drug abuse, known autonomic polyneuropathy, persistent tachycardic atrial arrhythmias, ventricular extrasystole, other serious mental illness) will be excluded.

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
-Proof of an influence of a slow deep breathing technique on the coronary physiology<br>-Feasibility of resonance frequency breathing breathing before, during, and after cardiac catheterization.

Secondary Outcome Measures

Name	Time	Method
- Correlation of coronary blood flow with the extent of heart rate variability<br>- Safety of cycle breathing during cardiac catheterization<br>- extent of heart rate variability on the amplitude of the invasive blood pressure values<br>- Level of depression and anxiety using Hospital Anxiety and Depression Scale questionnaire<br>- Interoceptive ability using the Multidimensional Assessment of Interoceptive Awareness questionnaire<br>- Self-assessment of the degree of tension immediately before the cardiac catheter examination <br>