Solution infundibular pulmonary stenosis in tetralogy of fallot

 

(57) Abstract:

The invention relates to medicine, namely to endovascular surgery. Inflate the balloon for stent implantation in infundibulum the right ventricle. Fix the stent diastolic size infundibulum. The method allows to produce an adequate way of outflow of blood from the right ventricle into the pulmonary artery. 2 Il.

The invention relates to medicine, namely to endovascular surgery.

There is a method of percutaneous transluminal balloon dilation infundibular pulmonary stenosis in tetralogy of Fallot (TF).

The disadvantage of this method is trauma to the myocardium of the right ventricle (PJ) due to tears in the area of infundibular stenosis by balloon, which leads to heart failure.

Also known solution stenosis by intravascular implantation of the prosthesis is a stent, in particular in the narrowing of the carotid arteries. As you know, the carotid artery located in the neck and is easily accessible to external influences. The risk of deformation of the stent implanted in the carotid artery, was eliminated by increasing the radial elasticity of the ribs of the stent.

The purpose of the erode and effectiveness of operations.

This objective is achieved in that for eliminating infundibular pulmonary stenosis (Fig. 1, systole) when (TF) using endovascular prosthesis is a stent that is implanted in an area of infundibular stenosis, fixing the size of infundibulum in diastole (Fig.2, diastole, the stent).

The method is as follows. Produce contrast enhancement of the right ventricle, determine the size of infundibulum in diastole and from these data, choose the stent. By directing the Explorer balloon and the stent is carried out in the area infundibular stenosis. The balloon inflate and expand the stent to a diameter of infundibulum in diastole. This fails to create an adequate way of outflow of blood from the mud into the pulmonary artery and to avoid laceration of the myocardium infundibulum.

The proposed solution infundibular pulmonary stenosis TF reduces the trauma to the myocardium mud and increase the efficiency of operations through the creation of a fixed tunnel in the area of infundibular stenosis.

Solution infundibular pulmonary stenosis in tetralogy of Fallot, including dilatation of the balloon, wherein the balloon is inflated for stent implantation in infundibulum right gelado the

 

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