Table of Contents
Which drugs cause coronary steal phenomenon?
Isoflurane was introduced for general clinical use in North America in 1981. Shortly thereafter, in 1983, a study suggested that the anesthetic was a potent coronary vasodilator that could cause coronary steal and myocardial ischemia in patients with coronary artery disease.
What is steel phenomenon?
Subclavian steal phenomenon (or syndrome) originates from severe stenosis or occlusion of the proximal subclavian artery resulting in the reversal of blood flow in the ipsilateral vertebral artery (VA) to perfuse the limb. From: Complications in Endovascular Surgery, 2022.
What is coronary subclavian steal syndrome?
Coronary subclavian steal syndrome (CSSS) is a rare manifestation of subclavian artery stenosis which occurs in coronary artery bypass grafting patients when (1) the left internal mammary artery (LIMA) is used to bypass an occlusion in the left anterior descending artery (LAD) and (2) there is at least >75\% stenosis of …
How do you fix steal syndrome?
Discussion. Currently described therapies for steal syndrome include access ligation, banding, proximalization of the arterial inflow, and distal revascularization with interval ligation procedure. Distal radial artery ligation has also been used for patients with distal radiocephalic AVFs.
What causes steal syndrome?
The arterial steal syndrome may develop if the inevitable proximal shunting of blood is significant enough to cause hand ischemia. Proximal shunting is attributed to the reversal of blood flow through distal arteries, induced by the low-pressure system produced by the arteriovenous connection.
Do nitrates cause coronary steal?
In light of the worsening of angina under nitrate therapy, it is highly probable that nitrate therapy decreased coronary perfusion pressure and increased coronary steal in our patient.
Does isoflurane cause coronary steal syndrome?
Early studies indicated that isoflurane caused coronary steal and should therefore be avoided in patients with coronary heart disease.
Is steal syndrome serious?
ISS is a serious clinical condition. Not only does the pain reduce the patient’s ability to tolerate hemodialysis, the ischemia can lead to tissue necrosis and eventual loss of fingers and even the entire hand.
Can steal syndrome be cured?
Steal was cured in 90 to 100\% of patients, but only 10 to 40\% of the banded accesses remained patent (Table 2, [5,6,20]).
What is coronary artery perfusion?
Coronary perfusion pressure (CPP) is a measure of how well blood flows within the heart. The metric is used to monitor the transit of blood through the coronary arteries. The coronary arteries are blood vessels responsible for supplying your heart with oxygen.
What is coronary stent implantation?
A coronary stent is a tube-shaped device placed in the coronary arteries that supply blood to the heart, to keep the arteries open in the treatment of coronary heart disease. It is used in a procedure called percutaneous coronary intervention (PCI). Coronary stents are now used in more than 90\% of PCI procedures.