Clinical Context
A 62-year-old patient with treatment-resistant hypertension despite maximally tolerated medical therapy is evaluated for catheter-based renal denervation using an ultrasound intravascular system. The interventional cardiology or interventional radiology team performs pre-procedure assessment including vascular access planning (typically femoral arterial access), review of antihypertensive regimen, renal artery imaging (CTA, MRA, or diagnostic angiography), and baseline renal function. On the day of service the patient is brought to an angiography suite or hybrid operating room. Under conscious sedation or monitored anesthesia care (or general anesthesia if clinically indicated), vascular access is obtained, diagnostic renal angiography is performed to confirm anatomy and suitability, and the C1736 single-use intravascular ultrasound renal denervation catheter is advanced to each renal artery. Ultrasound energy is applied per device protocol while monitoring hemodynamics. Post-procedure angiography confirms vessel integrity. Typical immediate post-procedure workflow includes access site management, short-term observation in a recovery area or same-day observation unit, discharge instructions for blood pressure monitoring and medication adjustments, and scheduled follow-up with blood pressure and renal function assessment at 1–3 months and beyond. Typical site of service: hospital outpatient department, ambulatory surgical center, or catheterization/angiography suite within a hospital. Service type: image-guided, catheter-based endovascular renal sympathetic denervation using a single-use ultrasound system.