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Related Concept Videos

Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
Varicose Veins II: Diagnostic Studies and Interprofessional Care01:26

Varicose Veins II: Diagnostic Studies and Interprofessional Care

Varicose veins, or varicosities, develop when the valves in the veins, which control blood flow, weaken or damage. It causes blood to pool and the veins to enlarge. Understanding the clinical manifestations, diagnostic approaches, and management options for varicose veins is crucial for effective treatment and relief.Clinical manifestationsClinical manifestations of varicose veins include a heavy, achy feeling or pain after prolonged standing or sitting. This discomfort can often be relieved by...
Peripheral Artery Disease IV: Nursing Management01:26

Peripheral Artery Disease IV: Nursing Management

The nursing management of a patient with peripheral artery disease (PAD) begins with a thorough assessment of the patient’s health history and clinical manifestations.AssessmentHealth History: Evaluate the patient’s history of hypertension, hyperlipidemia, family history of cardiovascular issues, and lifestyle factors such as dietary patterns, smoking, and physical activity.Physical Examination:Assess the affected extremity for decreased or absent peripheral pulses, temperature changes,...
Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...

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Related Experiment Video

Updated: Jun 21, 2026

Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis
11:16

Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis

Published on: July 22, 2014

Evolving modalities for femoropopliteal interventions.

Gary M Ansel1, Alan B Lumsden

  • 1MidOhio Cardiology and Vascular Consultants, Midwest Cardiology Research Foundation, Riverside Methodist Hospital, Columbus, Ohio 43214, USA. gansel@mocvc.com

Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists
|July 24, 2009
PubMed
Summary
This summary is machine-generated.

New endovascular devices show promise for femoropopliteal lesions, but long-term patency and restenosis rates require further study. Drug-eluting stents and coated balloons offer potential improvements over bare metal stents.

Related Experiment Videos

Last Updated: Jun 21, 2026

Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis
11:16

Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis

Published on: July 22, 2014

Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Biomaterials Science

Background:

  • Balloon angioplasty for femoropopliteal lesions has limited primary patency improvement.
  • Nitinol stents offer better short- to midterm patency than older models, but long-term data and mechanical fatigue are concerns.
  • Covered stents and drug-eluting stents (DES) aim to reduce restenosis by preventing tissue infiltration and intimal hyperplasia.

Purpose of the Study:

  • To review the current landscape and evolving technologies in endovascular interventions for femoropopliteal arterial occlusive disease.
  • To evaluate the efficacy and safety of various stent types, including nitinol, covered, drug-eluting, and bioabsorbable stents.
  • To identify potential failure modes and future directions for improving primary patency rates.

Main Methods:

  • Review of clinical studies, single-center registries, and multicenter randomized trials.
  • Comparison of outcomes for bare nitinol stents, covered stent-grafts (e.g., Viabahn), drug-eluting stents (sirolimus, paclitaxel, everolimus), and paclitaxel-coated balloons.
  • Analysis of primary patency rates, restenosis, and stent fracture incidence.

Main Results:

  • Nitinol stents show favorable short- to midterm patency, but long-term data are pending; mechanical fatigue is a concern.
  • Covered stent-grafts (Viabahn) demonstrate general effectiveness, with ongoing trials comparing them to bare nitinol stents.
  • Drug-eluting stents (sirolimus) in the SIROCCO trials showed safety but not superior efficacy over bare nitinol stents, which had unexpectedly low restenosis rates. Paclitaxel-eluting stents and coated balloons are under investigation with encouraging early results. Bioabsorbable stents face challenges with radial force and degradation.

Conclusions:

  • While nitinol stents have improved outcomes, long-term patency and restenosis remain challenges in femoropopliteal interventions.
  • Drug-eluting stents and coated balloons represent promising advancements, but further long-term data are needed to establish their superiority.
  • Ongoing research into novel stent designs and drug-delivery systems is crucial for enhancing treatment efficacy and patient outcomes in femoropopliteal disease.