PMC3785211_01
Cannulation of the right coronary artery from right radial access, with 4 french JR4 catheter for diagnostic coronary angiography.
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No catheter waveform change was noted. 4 french JR4 catheter was placed into the right coronary artery without any difficulty (Fig. 1).
Attempt at selective cannulation of right coronary artery ostium using a MAC 3.0 catheter (unsuccessful), using right femoral access.
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AR1, MAC 3, MAC 3.5, catheters for approximately two hours, to engage right coronary artery ostium (Figs. 3-4).
Successful cannulation of right coronary artery ostium using JR4 guide catheter using right radial access (first attempt).
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AR1, MAC 3, MAC 3.5, catheters for approximately two hours, to engage right coronary artery ostium (Figs. 3-4).
Cutting balloon (4.0/15mm) inflation at right coronary ostium using JR4 guide catheter from right radial access.
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Radiofocus Glidesheath (Terumo Medical) was introduced in the right radial artery and 6 french JR4 guiding catheter was placed in the ascending aorta. Right coronary ostium was engaged at the first attempt (Fig. 5).
Stent deployment (5.0/18 mm Herculink) at right coronary artery ostium using JR4 guide catheter from right radial access.
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The guidewire was promptly placed in the distal right coronary artery and 4.0/15 mm Cutting balloon was used to pre-dilate the right coronary ostium with 1 inflation at 14 atmospheres for 120 seconds (Fig. 6).
Final result after transradial intervention.
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The stent was post-dilated with the same balloon with two inflations at 20 atmospheres for 15 seconds each (Fig. 7).