GUIDEX® Versus Launcher™ Guiding Catheter in Percutaneous Coronary Intervention (PCI) (GUIDEX_FR)

Prior treatment

• Concomitant use of Atherectomy, specialty balloon (intravascular lithotripsy), or investigational coronary devices (intravascular ultrasound, or optical coherence tomography)
• Prior PCI procedure within the last 30 days of the index procedure
• Patient unable to stop his or her daily oral medication includes metformin treatment during 48 hours.

Other illness

• Active bleeding or significant increased risk of bleeding, severe hepatic insufficiency, current peptic ulceration, proliferative diabetic retinopathy.
• Uncontrolled severe hypertension (systolic BP \>180 mm Hg or diastolic BP \>110 mm Hg)
• Patient has allergy to imaging contrast media for which they cannot be pre-medicated
• Patients with hypersensitivity or contraindication to antiplatelet treatment

Lab values

• Current platelet count \<100 x 10\^9cells/L or Hgb \<10 g/dL.
• Unstable patient: myocardial infarction, cardiogenic shock or with troponin above the upper limit of the normal laboratory value in the 24 hours prior to the procedure OR with elevated troponin and abnormal concomitant CK (non-exhaustive list).

Other

• Target vessel \< 2.4 mm in diameter
• Target lesion \> 32 mm in length
• Unable to follow the requirements of the protocol.
• Vulnerable: whose ability or freedom to give or refuse consent is limited.
• Patients who cannot read or write french;
• Major protected by law (tutorship, curatorship, safeguarding justice...).
• Patient is pregnant or nursing

• Patients need to be at least 18 years old.
• Patients with significant coronary artery disease who qualify for PCI (according to ACC/AHA/SCAI 2021 guidelines, including that the patient has received medical therapy with exercise and dietary recommendations before or at the same time as the PCI decision and that the clinical decision depends on the cardiology team) and who can be treated with a radial and femoral approach
• Patients scheduled for for Percutaneous Coronary Intervention and must remain overnight for observation
• The target vessel must have a TIMI flow 3 at baseline
• Palpable radial or fermoral artery
• Patients covered by the social security system