Last updated: April 8, 2022
Sponsor: Tehran Heart Center
Overall Status: Active - Recruiting
Phase
N/A
Condition
Orthostatic Hypotension
Cataplexy
Dizzy/fainting Spells
Treatment
N/AClinical Study ID
NCT05086679
1400-2-101-54781
Ages 18-65 All Genders
Study Summary
Eligibility Criteria
Inclusion
Inclusion Criteria:
- Patients with 18≤age≤65
- VVS as the cause of TLOC confirmed by Clinical diagnosis And CSSS ≥-2
- ≥2 episodes of VVS during the last year
- The capability of giving informed consent
- Signed written informed consent
Exclusion
Exclusion Criteria:
- Orthostatic hypotension (decrease in BP ≥20/10 mmHg after 5-minute stand test)
- Postural tachycardia (increase in heart rate ≥30 bpm after 5-minute stand test)
- Carotid sinus hypersensitivity (ventricular pause >3 or decrease in BP > 50 mmHG aftercarotid sinus massage, performed in patients 40 years or older)
- History of Seizure
- Currently using midodrine or fludrocortisone
- Cardiac rhythm disorders including ventricular tachycardia, long QT syndrome, Brugadasyndrome, ARVC, CHB, or any conduction abnormality on ECG
- Severe valvular heart disease
- Hypertrophic cardiomyopathy
- Cardiac systolic dysfunction (ejection fraction ≤40%)
- Obstructive coronary artery disease
- Cardiac implantable electronic devices
- Prior recommendation of ECS by a health-care provider, or other indication for ECS use
- Foot ulcers and diabetic foot
- Chronic venous insufficiency
- Renal failure stage ≥3 (eGFR <60 mL/min/1.73 m2)
- Presence of a chronic severe illness
- Pregnancy, or intention to become pregnant in the next year
- Unwillingness to participate or to provide informed consent
Study Design
Total Participants: 268
Study Start date:
March 14, 2022
Estimated Completion Date:
December 10, 2024
Study Description
Connect with a study center
Tehran Heart Center
Tehran, 1411713138
Iran, Islamic Republic ofActive - Recruiting
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