Transfemoral Transcatheter Aortic Valve Implantation With or Without

Status Completed

Clinical Trial Summary

Prior to the deployment of transcatheter heart valves (THV), balloon aortic valvuloplasty (BAV) is often performed under rapid right ventricular pacing (burst >180 bpm) with the induction of a functional cardiac arrest for up to 30 seconds. Aortic valve predilation aims at facilitating the crossing of the aortic annulus, accurate valve positioning and does also provide information on the anatomy of the valve complex. However, BAV has been shown to have a number of potentially detrimental effects.

There is limited experience for the balloon expandable Edwards THV on the need for predilation (BAV). Experience so far has only been documented from smaller, uncontrolled case series.

The investigators aim to document the incidence of several kinds of complications in a large, multicenter registry / prospective controlled cohort study to identify associations between patient related variables and outcomes.

Clinical Trial Description

Aortic valve predilation aims at facilitating the crossing of the aortic annulus, accurate valve positioning and does also provide information on the anatomy of the valve complex. However, BAV has been shown to have a number of potentially detrimental effects, such as:

- Functional cardiac arrest induced by rapid pacing leads to transient coronary, cerebral, and renal ischemia.

- In patients with a reduced left ventricular ejection fraction (LVEF), prolonged cardiac depression after rapid pacing is observed and may result in hemodynamic failure and systemic inflammatory response syndrome (SIRS). Both are associated with a high periprocedural mortality.

- BAV has been identified as a major source of thrombotic and valvular material, thus increasing the risk for coronary obstruction with subsequent myocardial infarction and/or stroke.

- The local trauma in the left-ventricular outflow tract caused by BAV may potentially contribute to aortic root rupture.

The investigators aim to document the incidence of cerebrovascular complications, paravalvular leakage and operative outcomes in a large, multicenter registry / prospective controlled cohort study to identify associations between patient related variables and outcomes. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02760771
Study type	Observational [Patient Registry]
Source	Institut für Pharmakologie und Präventive Medizin
Contact
Status	Completed
Phase	N/A
Start date	May 2016
Completion date	December 2017

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Transfemoral Transcatheter Aortic Valve Implantation With or Without Predilation of the Aortic Valve (EASE-IT TF) — EASE-IT-TF

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms