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Active not recruitingOBSERVATIONAL

Automatic PredICtion of Edema After Stroke

After a serious stroke, some people develop dangerous brain swelling, called malignant brain edema. This swelling can be life-threatening and cause lasting disability. Doctors sometimes perform an operation to relieve the pressure, but knowing the best time to do this for each patient is tricky. This study uses a special computer program, called machine learning, to help. Researchers are feeding the computer information from thousands of patients who have had a stroke – including their brain scans and other medical details. The computer learns to spot patterns that might predict who will develop severe swelling. The goal is to develop a tool that could help doctors identify these patients earlier, allowing them to make timely decisions about treatment, which could lead to better outcomes.

At a glance

Status
Active not recruiting
Sponsor
University Hospital Tuebingen
Enrolment target
1,687
Start
01 Apr 2019
Estimated completion
31 Dec 2025

What is this study about?

Imagine a computer that can learn from lots of information, just like we do. In this study, scientists are using a special computer program to learn from the medical records and brain scans of 1,500 people who have had a severe type of stroke. This kind of stroke, affecting a major artery in the brain (called the MCA), can sometimes lead to dangerous swelling in the brain. This swelling is serious and can cause a lot of harm.

Doctors sometimes perform an operation called a 'decompressive craniectomy' to relieve this brain pressure. While this surgery can save lives, it's not always clear when is the best time to do it for each person. The aim of this study is to help doctors make those decisions earlier and more effectively. By teaching the computer to recognise specific signs and patterns from past patient data, they hope to create a tool that can predict who is most at risk of developing severe brain swelling.

First, the computer 'learns' from the information of 1,400 past patients. It looks for connections between the images of their brains, how their bodies reacted, and whether they developed severe swelling. Then, the computer program is tested on a new group of 100 past patients to see how well it works. If successful, this computer tool could become a valuable aid for doctors, helping them identify patients who might need surgery sooner, potentially leading to better recovery and fewer long-term problems.

Key takeaways

  • Uses computer learning to predict severe brain swelling after stroke.
  • Aims to help doctors identify at-risk patients earlier.
  • Analysing existing medical records and brain scans of past stroke patients.
  • Could improve treatment decisions and patient outcomes in the future.
  • No new patients or treatments are involved in this research.

Who may be eligible?

This study is looking at information from past patients who have experienced a specific type of stroke.

The researchers are interested in people who had a very serious stroke affecting a main blood vessel in their brain, called the MCA. This includes patients who developed severe brain swelling and those who didn't. It also includes those who received treatments like 'clot-busting' drugs or surgery to relieve brain pressure, and those who didn't.

Patients would not be included if their stroke was a long time ago (not 'acute') or if it was a smaller stroke that didn't affect a significant part of the MCA.

Could this study suit you?

Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.

  1. Did I have a very serious stroke affecting a main brain artery (MCA)?
  2. Was my stroke recent?
  3. Did doctors consider my stroke large?
  4. Did I get any specific stroke treatments or surgery, or not?
  5. Did I experience brain swelling, or not?
Answer every question to see your result.

What does participation involve?

It's important to know that this study is using information from patients who have already had a stroke in the past (this is called a retrospective study). This means no new patients are being recruited, and no one will be asked to do anything extra or have any new tests. Researchers are simply analysing existing Anonymous medical records alongside brain scans.

Potential risks and benefits

Since this study is looking at already collected, anonymous patient data, there are no direct risks to individual patients. There are also no direct benefits to individual patients as they are not actively participating in new treatments or assessments. However, the potential benefit is that the information gathered could lead to better prediction tools for future stroke patients, potentially improving their care and outcomes. As no new participation is involved, the right to withdraw for an individual patient is not applicable.

Locations (19)

Some site locations are approximate. We're improving this — please verify with the trial team before travelling.
  • St. John's Hospital
    Verified postcode
    Vienna, Austria
  • Charité Universitätsmedizin Berlin
    Verified postcode
    Berlin, Germany
  • Universitätsklinikum Bonn
    Verified postcode
    Bonn, Germany
  • Fraunhofer- Gesellschaft zur Förderung der angewandten Forschung e.V., Fraunhofer MEVIS
    Verified postcode
    Bremen, Germany
  • Universitätsklinikum Düsseldorf
    Verified postcode
    Düsseldorf, Germany
  • Universitätsklinikum Hamburg-Eppendorf
    Verified postcode
    Hamburg, Germany
  • Klinikum der Medizinischen Hochschule Hannover
    Verified postcode
    Hanover, Germany
  • Universitätsklinikum Heidelberg
    Verified postcode
    Heidelberg, Germany
  • Universitätsklinikum Leipzig
    Verified postcode
    Leipzig, Germany
  • Klinikum der Ludwig-Maximilians-Universität München
    Verified postcode
    Munich, Germany
  • Technische Universität München
    Verified postcode
    Munich, Germany
  • Universitätsklinikum Münster
    Verified postcode
    Münster, Germany

Common questions

What is a 'malignant brain edema'?

It's a very severe and dangerous swelling of the brain that can happen after a serious stroke, which needs urgent medical attention.

What does 'machine learning' mean?

It's a type of computer program that can learn from large amounts of information to spot patterns and make predictions, similar to how our brains learn.

Will this study involve new patients or new treatments?

No, this study is looking at information from patients who have already had a stroke in the past, so no new patients are involved, and no new treatments are being tested.

Why is it important to predict brain swelling early?

Identifying brain swelling early can help doctors decide if and when to perform surgery to relieve pressure, which could potentially save lives and improve recovery for future stroke patients.

What is an 'MCA stroke'?

It's a stroke that affects the Middle Cerebral Artery, which is a major blood vessel supplying blood to a large part of the brain.

How to find out more

Always speak to your GP or specialist before deciding to take part in a study.

Discussion

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