Peripheral Angioplasty / Stenting
Endovascular treatment of peripheral arterial disease — iliac, femoropopliteal, tibial, and occasionally brachiocephalic lesions. Balloon angioplasty, drug-coated balloons, bare-metal and drug-eluting stents, atherectomy (directional, rotational, laser). Performed by interventional radiologists, vascular surgeons, and interventional cardiologists depending on center.
Clinical pathway
- Contralateral or ipsilateral retrograde femoral access (or radial with long-shaft devices).
- Diagnostic angiography — abdominal aorta + bilateral runoff.
- Crossing the lesion — wire + support catheter; subintimal with re-entry device for chronic total occlusions.
- Lesion preparation — balloon angioplasty; atherectomy for calcified lesions.
- Stent if needed — bare-metal, drug-eluting, or covered depending on location and lesion morphology.
- Final angiography + closure — manual compression, radial band, or closure device.
Typical systems
- Philips Azurion 7
- Philips Allura Xper FD20
- Siemens Artis zee
- Siemens Artis Q
- GE Innova 2100-IQ
- GE Innova 3100-IQ
Large-FOV (FD20-class) detectors are the default for peripheral work; small-FOV (FD10-class) rooms cover only iliac / proximal SFA workably.
Room + procedure characteristics
- Procedure time: 60 min (simple iliac) to 4+ hours (complex CLI with tibial intervention).
- Team: interventional operator + scrub tech + circulator + RN; local + conscious sedation standard.
- Dose: moderate; long runoff runs and tibial work drive operator and patient dose.
Equipment considerations that bite
- Detector size and FOV — peripheral runoff and bilateral lower-extremity work need large-FOV / FD20-class. Small-detector cardiac rooms can run pelvis but force compromises distally.
- Bolus chase / stepping table — peripheral angio quality depends on coordinated table-stepping. Older rooms without it use bolus runoff at multiple stations, with longer fluoro time.
- Dose-management software — long fluoro times on CLI cases make ClarityIQ (Philips), CARE / CLEAR (Siemens), AutoEx (GE) operationally meaningful. Cumulative operator dose over a career is the real exposure.
- Tube heat capacity — tibial / pedal work runs long fluoro at high mag; tube thermal limits trip mid-case on tired tubes.
- Image-record retention — PACS storage for long-runoff DSAs is non-trivial; sites without modern storage hit limits.
Operational reality
- Operator mix drives the room. A radiologist-IR program, vascular-surgery program, and cardiology PAD program all use the same hardware differently — drape kits, table preferences, image-presets diverge.
- Hybrid OR conversion — some centers convert peripheral cases to hybrid OR for fem-pop bypass + endovascular combos. Equipment overlap is partial; drape inventory and surgical-suite integration are separate projects.
- Throughput is access / closure time, not fluoro. Adding rooms only helps if the holding bay scales with it.
- Refurb economics — large-FOV interventional rooms cost more than small-FOV cardiac rooms; demand is driven by program-mix, and the FD20 / FD10 split is the price-determining variable on the refurb market.