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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...
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...
Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
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,...
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...

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Related Experiment Video

Updated: May 8, 2026

Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound
13:48

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Cryoplasty for peripheral arterial disease.

James E McCaslin1, Alina Andras, Gerard Stansby

  • 1Northern Vascular Centre, Freeman Hospital, Newcastle upon Tyne, Tyne & Wear, UK, NE7 7DN.

The Cochrane Database of Systematic Reviews
|August 13, 2013
PubMed
Summary

Cryoplasty, a technique combining balloon angioplasty with vessel wall cooling, shows no established benefit over conventional angioplasty for peripheral arterial disease (PAD). Insufficient high-quality trials prevent definitive conclusions on cryoplasty

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Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Endovascular Techniques

Background:

  • Peripheral arterial disease (PAD) involves narrowed or blocked arteries, often treated with balloon angioplasty.
  • Restenosis, or artery narrowing after angioplasty, is a primary cause of long-term treatment failure.
  • Cryoplasty, a novel endovascular technique, combines balloon dilation with vessel wall cooling to potentially improve angioplasty outcomes.

Purpose of the Study:

  • To systematically review and assess the efficacy and complications of cryoplasty in treating iliac, femoropopliteal, and crural arteries.
  • To evaluate cryoplasty's effectiveness in maintaining short and medium-term arterial patency.
  • To provide focus for future research on cryoplasty for peripheral arterial disease.

Main Methods:

  • A systematic review and update of randomized controlled trials (RCTs) comparing cryoplasty with conventional angioplasty or other procedures.
  • Searched Cochrane Peripheral Vascular Diseases Group Trials, CENTRAL, and trial databases up to October 2012.
  • Included RCTs involving patients with PAD or lower limb bypass graft stenoses, assessing cryoplasty alone or as an adjunct.

Main Results:

  • Seven trials with 478 patients were included; follow-up ranged from 30 days to three years.
  • No statistically significant difference in target lesion patency between cryoplasty and conventional angioplasty in primary studies.
  • Adjunctive cryoplasty showed improved patency at six months in one study; restenosis rates varied, with a short-term benefit favoring cryoplasty in one measure.

Conclusions:

  • The benefit of cryoplasty over conventional angioplasty for PAD remains unestablished due to a small number of low-quality RCTs.
  • Inconsistent technical success and patency rates reported in trials do not clearly support cryoplasty's future role.
  • Insufficient data currently exist to recommend routine cryoplasty use over conventional balloon angioplasty for PAD treatment.