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Table 1 Eligibility criteria for the transcatheter aortic valve implantation without prior balloon dilatation (DIRECTAVI) study

From: Prior balloon valvuloplasty versus DIRECT transcatheter Aortic Valve Implantation (DIRECTAVI): study protocol for a randomized controlled trial

Criteria

Definition

Inclusion criteria

 Patients aged ≥18 years

 

 Severe aortic valve stenosis

Mean gradient ≥40 mmHg or aortic valve area <1 cm2 on TTEa

 Symptoms suggestive of severe aortic stenosis

Dyspnea, heart failure, angina, syncope

 Contraindication for open heart surgery or excessive surgical risk

Decision of the multidisciplinary heart team

 TAVI using the balloon-expandable SAPIEN 3 valve

 

 Vascular access

Transfemoral, transcarotid, transaortic or subclavian access

Exclusion criteria

 Preexisting aortic prosthesis

“Valve in valve” technique

 Transapical access

 

 BAVb performed for less than 1 week

 

 Recent myocardial infarction

Within the last 3 months

 Left ventricular or atrial thrombus

TTE evaluation

 Significant mitral or tricuspid regurgitation

>grade II on TTE

 Recent cerebrovascular event

Within the last 3 months

 Carotid or vertebral arterial narrowing

Stenosis >80% (Doppler or CT scan)

 Active internal bleeding

 

 Thrombocytopenia

Platelet count <50,000/mm3

 Lack of written informed consent

 

 Severe mental disorder, drug/alcohol addiction

Specialized evaluation

 Life expectancy <1 year

 

 Participation in another drug or device study

Any study that would jeopardize

 

the appropriate analysis of study endpoints

 High probability of nonadherence to the follow-up

Social, psychological or medical requirement reason

 Pregnancy

 
  1. a TTE transthoracic echocardiography, b BAV balloon aortic valvuloplasty. CT computed tomography