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Blood test results before brain tumor surgery may help predict bleeding afterward

Original title: Preoperative systemic inflammatory indices as risk factors for hemorrhage after supratentorial brain tumor resection in patients requiring prolonged neurosurgical intensive care: development and temporal validation of an early postoperative risk stratification model.

How far along is this research?

This was tested in people. That is the most reliable kind of research we share.

This came from looking back at past patient records, and the risk tool is not used in regular care yet.

The short version

Routine blood tests taken before brain tumor surgery may help doctors spot who is more likely to bleed in the brain after the operation.

What was studied. Doctors looked back at records of 587 people who had planned surgery to remove a tumor in the upper part of the brain and who then stayed in intensive care for more than 48 hours. They checked whether signs of inflammation in routine blood tests taken before surgery lined up with bleeding after surgery.

What they found. Bleeding after surgery was common. It happened in 32.9% of the first group of 438 patients. It happened in 32.2% of the second group of 149 patients. Two of the three blood test measures were linked to a higher chance of bleeding. A third one was not. Where the tumor was, how big it was, and blood pressure after surgery also mattered.

What this means, and what it doesn't

What it could mean: Doctors may be able to use blood tests you already get to flag who needs closer watching right after brain tumor surgery. If you are at higher risk, your team might check on you more often in the first days. It does not change the surgery itself.

What it doesn't mean: This is not a treatment and it is not a cure. Nothing here shrinks a tumor or helps you live longer. The study looked back at records of past patients at one hospital. It did not test the tool on new patients in a live trial. The tool is not perfect and cannot say for sure who will bleed and who will not. It is not part of everyday care yet. Ask your own surgeon what your risks are.

Source: PubMed, July 20, 2026 · Read the original

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