Related Experiment Video

Updated: Aug 5, 2026

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
05:31

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients

Published on: September 20, 2020

Predictors of radial artery patency for coronary bypass operations

S V Moran1, R Baeza, E Guarda

  • 1Department of Cardiovascular Diseases, Catholic University School of Medicine, and Clinica Alemana, Santiago, Chile. smoran@med.puc.cl

The Annals of Thoracic Surgery
|November 28, 2001
PubMed

Insights

Coronary artery bypass grafting using radial artery grafts shows improved patency when native arteries have significant stenosis. Diltiazem did not affect graft patency rates in this study.

Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Vascular Grafting

Background:

  • Limited data on angiographic predictors for radial artery patency in coronary bypass grafting.
  • Unclear benefit of calcium antagonists on graft outcomes.

Purpose of the Study:

  • Identify angiographic predictors of radial artery graft patency.
  • Evaluate the impact of diltiazem on graft patency.

Main Methods:

  • Studied 115 patients undergoing myocardial revascularization with radial artery, internal mammary, and vein grafts.
  • Quantitative angiography analyzed graft patency at 1 year post-surgery.
  • Compared outcomes between patients receiving diltiazem and those who did not.

Main Results:

  • Radial artery graft patency was 80% at 30-month follow-up.
  • Higher native coronary artery stenosis (>=70%) correlated with significantly better radial graft patency (92%).
  • No significant difference in clinical or angiographic outcomes with diltiazem use.

Conclusions:

  • Native coronary artery stenosis is a key predictor of radial artery graft patency.
  • Diltiazem does not appear to influence radial artery graft patency.
Abstract

More Related Videos

Predicting Amputation using Local Circulating Mononuclear Progenitor Cells in Angioplasty-treated Patients with Critical Limb Ischemia07:25

Predicting Amputation using Local Circulating Mononuclear Progenitor Cells in Angioplasty-treated Patients with Critical Limb Ischemia

Published on: September 22, 2020

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique07:30

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique

Published on: April 1, 2022

Related Concept Videos

Assessment of radial pulse01:11

Assessment of radial pulse

Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
Assessment of apical radial pulse01:25

Assessment of apical radial pulse

Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
Pre-Procedural Guidelines for Assessing Blood Pressure01:10

Pre-Procedural Guidelines for Assessing Blood Pressure

Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the patient.
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 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...
Aneurysm IV: Nursing Management01:22

Aneurysm IV: Nursing Management

Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...