Related Experiment Video

Updated: Aug 15, 2026

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings
06:59

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings

Published on: November 9, 2016

[Catheter therapy of coronary disease]

K Vatne1, N E Kløw

  • 1Hjerteseksjonen Røntgen-radiumavdelingen, Rikshospitalet, Oslo.

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|November 30, 1994
PubMed

Insights

Percutaneous transluminal coronary angioplasty (PTCA) using balloon catheters is a common treatment for coronary artery disease. Newer atherectomy catheters have not reduced restenosis rates, but coronary stents show promise in preventing restenosis and emergency bypass surgeries.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Vascular Surgery

Background:

  • Percutaneous transluminal coronary angioplasty (PTCA) is an established invasive treatment for coronary artery disease.
  • High rates of restenosis after PTCA have driven the development of new plaque-removal catheters.
  • Existing atherectomy catheters have not significantly reduced restenosis rates compared to balloon angioplasty.

Purpose of the Study:

  • To discuss and compare the authors' experience with various coronary plaque removal techniques.
  • To evaluate the effectiveness of different interventional strategies in managing coronary artery disease.
  • To assess the impact of novel catheter technologies and stenting on restenosis rates.

Main Methods:

  • Review of clinical experience with balloon angioplasty and atherectomy catheters.
  • Comparison of personal data with existing literature on coronary interventions.
  • Analysis of outcomes including restenosis and need for emergency bypass surgery.

Main Results:

  • Balloon angioplasty and current atherectomy catheters have not led to a decline in restenosis rates.
  • The authors' experience aligns with literature suggesting limited success of atherectomy in reducing restenosis.
  • Coronary stenting appears to be associated with significantly fewer restenoses and emergency bypass operations.

Conclusions:

  • Atherectomy catheters have not yet overcome the challenge of restenosis in coronary artery disease.
  • Coronary stenting represents a significant advancement, improving outcomes by reducing restenosis.
  • Stenting may decrease the need for emergency coronary artery bypass grafting following interventions.

More Related Videos

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function10:28

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function

Published on: March 15, 2022

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis06:59

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis

Published on: August 26, 2025

Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
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...
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.