La coronarographie est-elle douloureuse ?

Non. Elle se fait sous anesthésie locale, le plus souvent par le poignet. On ressent la piqûre d'anesthésie, parfois une sensation de chaleur au moment de l'injection du produit de contraste, mais l'examen lui-même n'est pas douloureux.

Peut-on poser un stent pendant la coronarographie elle-même ?

Oui, c'est fréquent lorsque la lésion est unique, accessible et que la situation le justifie. Le cardiologue traite alors dans le même temps. Dans les formes plus complexes, on préfère s'arrêter, réunir les avis et décider ensuite.

Pourquoi me propose-t-on un pontage alors qu'un stent semble plus simple ?

Parce que le stent traite un point précis, alors que le pontage contourne toute une zone malade. Lorsque plusieurs artères sont atteintes, que le tronc commun est en cause ou que vous êtes diabétique, les résultats du pontage sont plus durables sur le long terme.

Combien de temps peut-on attendre entre la coronarographie et l'opération ?

Cela dépend entièrement du résultat. Certaines situations imposent une prise en charge urgente, d'autres laissent plusieurs semaines pour organiser le bilan et l'intervention sereinement. Votre cardiologue vous le précise dès la sortie.

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Tests and numbersJuly 2026

After coronary angiography: stent or bypass, how is the next step decided?

A coronary angiogram does not just show the state of your arteries, it steers the whole treatment. Here are the three possible outcomes and the criteria that tip the balance towards a stent or towards a bypass.

A coronary angiogram is often experienced as the moment of truth. It partly is, but it is not an endpoint: it is where a decision starts. Once the images are in, the question becomes what to do next, and the answer is not the same for two patients whose arteries look alike.

What exactly a coronarography shows

The test involves injecting a contrast dye into the arteries that feed the heart muscle, the coronary arteries, then filming them under X-ray. It answers precise questions: which arteries are narrowed, by how much, over what length, exactly where, and whether blood is still finding its way round through collateral vessels.

What a coronary angiogram cannot tell you on its own: how strongly your heart contracts, the state of your valves, whether you could withstand an operation. Those come from the echocardiogram, the blood tests and the consultation.

The three possible suites

1. Medical treatment alone

It is the most common outcome, and often the best. When the narrowings are moderate or few in number, well-conducted treatment associated with cessation of tobacco and control of diabetes, cholesterol and blood pressure results in lasting results. Not being operated is not a failure, it is a result.

2. Angioplasty with stent placement

The interventional cardiologist opens up the narrowed segment with a balloon and leaves a small metal scaffold behind, the stent, which holds the artery open. The hospital stay is short, recovery quick, and it can sometimes be done straight after the angiogram.

3. Coronary artery bypass

The surgeon takes a vessel, most often the internal mammary artery or a vein from the leg, and builds a new route around the diseased segment. It is a bigger operation, but it lasts longer where the disease is extensive. It is set out in detail on our page about bypass.

Criteria that make one side or the other tilt

Folder element	Rather, it is oriented towards
A single artery affected, short and accessible lesion	Stent
Three arteries affected, or common trunk damage	Bypass surgery
Diabetes with multiple arteries	Bypass surgery
Very calcified, long or at a crossing	Bypass surgery
Heart function diminished	Discussion on a case-by-case basis, often a bypass
Significant Fragility, High Age, Other Severe Diseases	Stent or medical treatment

No one of these criteria decides on its own. It is the combination that counts, and your own view is part of it.

A decision that is made by several

In complex cases, good practice is to sit the cardiologist and the surgeon down over the same file before anything is put to the patient. That joint discussion avoids two mirror-image mistakes: offering surgery where a simple procedure would have done, and stacking up stents where one operation would have settled the matter for good.

Questions to ask before accepting

How many arteries are involved, and which?
What happens if I don't do anything right now?
What benefit do you expect, about symptoms and risk?
What are the risks specific to my case, not the general figures?
How long is the hospital and the activity stopped?
What treatment should I take next, and for how long?

A doctor who answers these questions willingly is a good sign. Nobody should sign a consent form without understanding what they are signing.

Prepare for the next round

Whichever option is chosen, a few things improve the outcome: stopping smoking, even late in the day, getting diabetes under control, taking your prescribed medicines without gaps, and flagging any blood-thinning treatment. If surgery is planned, a dental check is often asked for, because a dental focus of infection can jeopardise heart surgery.

You come out of a coronary chart and we're talking about surgery? Dr Tber's practice in Tangier takes your file, talks you through the reasoning and gives you a clear opinion, including when that opinion is not to operate. Book an appointment.

Frequently asked questions

Is coronarography painful?

No. It is done under local anaesthetic, most often through the wrist. You feel the sting of the local anaesthetic, sometimes a wave of warmth as the contrast dye goes in, but the test itself is not painful.

Can we put a stent in the coronarography itself?

Yes, that is common where there is a single, accessible lesion and the situation warrants it. The cardiologist then treats it in the same sitting. In more complex cases it is better to stop, gather opinions and decide afterwards.

Why do I get a bypass when a stent seems simpler?

Because the stent deals with a specific point, while the bypass goes around a whole diseased area. When several arteries are reached, the common trunk is involved or you are diabetic, the results of the bypass are more lasting in the long term.

How long can we wait between the coronarography and the operation?

That depends entirely on the result. Some situations call for urgent treatment, others leave several weeks to organise the work-up and the operation calmly. Your cardiologist tells you which as you leave.

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