76 year old male with severe extensive aneurysmal PAD, presented with new onset CCS Class II angina and positive SPECT MPI for moderate inferior ischemia. A Cardiac Cath on March 13, 2018 revealed 3V + LM CAD: 70% distal LM bifurcation (Medina 1,1,1), 90% proximal LAD, 80% proximal LCx with small subtotal OM, 90% RCA-RPL2, SYNTAX Score of 28 and LVEF 70%. Patient underwent Heart Team discussion and high risk PCI was recommended based on the patient’s wishes. Now planned for IVUS guided unprotected left main bifurcation PCI using DK Crush technique via radial access.
Moderator: Sameer Mehta, MD
Both Mini Crush and DK crush are two good bifurcation techniques with excellent side branch ostial coverage. Outcomes are similar after these 2 techniques with major difference of 3 less steps in Mini Crush vs DK crush and hence is the preferred bifurcation 2-stent technique in our Cath Lab.
All current DES are suitable for DK Crush technique with my personal favorite being Xience DES for this purpose.
DK Crush should be avoided in small sidebranches (<2.25mm), angle >90degree and in ACS/MI setting.
Absolutely no gender barriers for Interventional cardiology except that this sub speciality is very demanding and may take a significant toll on the family life. Hence less women cardiologists want to become Interventionalist (<15% as of a recent survey).
The factors of radiation exposure with consequences of child bearing and wearing lead apron for prolonged hours, are the two main reasons I have encountered while interviewing women cardiology fellows, biasing them against selecting Interventional cardiology as the their future subspecialty of choice.
Poor guide support for radial access to engage the grafts is the most common reason for the operator not to select radial access, especially with the low volume operators. Of course if radial arteries have been used as the graft conduits, then radial access is not even being entertained and operators are reluctant to use ulnar artery in these cases for fear of major vascular complications, in case ulnar artery is traumatized.
I will say absolutely yes for the femoral access over radial access in today’s case for bifurcation ULM PCI due to complexity of bifurcation.
At present crossover from radial access to femoral access in our lab is 2-3% only; largely due to increasing experience and selecting alternate radials, if one fails. Last 2 months, our radial PCI is being done in 40-42% of cases.
We have not done formal analysis of radiation exposure between two vascular access strategies. But I am sure our data will be the similar to the reported literature that higher radiation exposure to the pt and operators with radial access over femoral access especially in complex cases like today.
Few studies have reported lower contrast use with radial vs femoral access but I am not fully convinced as it seems to be higher contrast use with radial access over femoral access PCI in our lab.
71 year old male with multiple CAD risk factors presented with NSTEMI, pneumonia and septic shock in October 2018.
57 year old diabetic male presented with new onset CCS Class II angina and positive stress echo for multisegmental wall hypokinesis.
86 year old female with chronic stable angina CCS Class II and positive MPI for two years being managed on medication.
62 year old male presented with CCS Class II angina and positive SPECT MPI for basal inferior and inferolateral moderate size area of ischemia and infarction.