Wiki Transapical transcatheter valve in mitral ring via left thoracotomy

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0484T -Transapical transcatheter valve in mitral ring via left thoracotomy

Hi,

Require CPT codes and Clinical Trail for mentioned below procedure.

I thought the appropriate CPT code 0484T

PROCEDURE PERFORMED:
1. Transapical transcatheter valve in mitral ring via left thoracotomy.
2. Temporary transvenous pacemaker insertion.
3. Transesophageal echocardiography.

DETAILS OF PROCEDURE:

Intraoperative transesophageal echocardiography was performed and
showed significant pannus within the prior mitral ring with presence of severe mitral
valve stenosis. There was no significant mitral regurgitation present. The patient was
brought to the hybrid operating room and placed in the supine position. He was prepped
and draped in the usual fashion. The patient was placed under general anesthesia.
Transesophageal echocardiography probe was placed and used throughout the procedure to
evaluate the mitral valve and position of our catheters. A 5-French bipolar pacing
catheter was placed in the apex of the right ventricle through right femoral venous
access. We also obtained access in the right femoral artery and placed a 5-French sheath,
just in case we needed to place an intra-aortic balloon pump for hemodynamic support
during the case. Subsequently, the left chest was opened via anterior thoracotomy, and we
found the anterior apical portion which would be appropriate for placement of the valve.
Two pledgetted sutures were placed around the LV apex. The left apex was cannulated with
a needle, and a soft wire was placed into the left atrium. Using a JR4 catheter, we
placed the wire into the right superior pulmonary vein. Then, we exchanged out the wire
for a stiff Amplatz wire. At that point, the patient had already been anticoagulated with
heparin to keep an ACT greater than 250 seconds. At that point, we placed an Ascendra
transcatheter valve introducer into the left ventricular apex, and subsequently we
prepared a 29 mm Edwards Sapien 3 transcatheter valve. Since this was a 31 mm ring, we
decided to go with a 29 mm regular prep of Sapien valve. We also had measured the ring
area on echocardiography. The transcatheter valve was deployed with rapid ventricular
pacing, and the valve was very carefully deployed under fluoroscopy guidance. The valve
deployed in excellent position. The delivery device was subsequently removed. We did
postdilate the valve by adding 1 mL of contrast due to presence of mild paravalvular leak.
After the postdilatation, there was only trivial paravalvular leak noted. There was no
central mitral regurgitation. The mitral valve seemed to be well seated inside the prior
mitral ring. This concluded the operation. The patient tolerated the surgery well, and
there were no complications. The postprocedure mitral valve area was 2.66 sq cm, the mean
gradient across the valve was 3 mmHg. There was presence of trivial paravalvular mitral
insufficiency after valve deployment. The patient was transferred to the cardiovascular
recovery area in a stable condition.
 
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