Link Between Brain Swelling and Death From Cerebral Malaria

Malaria was accountable for roughly 584,000 deaths in 2013, the greater part of which were among kids in Africa. Now, investigators from Michigan State University state to have made a ground-breaking discovery about cerebral malaria, a dangerous type of the disease: it is brain swelling that leads to children to die from it – a finding that may lead the way for new therapies.

Dr. Terrie Taylor with her patient in Malawi.Image credit MSU
Dr. Terrie Taylor with her patient in Malawi.Image credit MSU

Malaria is triggered by Plasmodium parasites transmitted by a bite from infected Anopheles mosquitoes. However a curable disease if treated rapidly and properly, it stays accountable for thousands of deaths each year.

In Africa – where over 90% of malaria deaths happen – a kid dies from the this condition every minute. It is approximated that in 2013, 437,000 African kids died from the disease before they arrived at their 5th birthday.

Cerebral malaria is one of the very frequent causes of death from the disease. It takes place when blood cell that contains the Plasmodium parasite block blood vessels to the brain. This can lead to brain swelling and brain damage.

Researchers have seen much good results in discovering therapies that can wipe out the Plasmodium parasite, dealing with malaria at its root. In December 2014, for instance, Clinical Research Society reported on a research reported in the Proceedings of the National Academy of Sciences, in which scientists recognized an anti-malaria substance that damaged all traces of the parasite in mice inside 48 hours.

The Michigan State investigators – lead by Dr. Terrie Taylor – say advancement in discovering ways to treat the effects of malaria, however, has moved at a much sluggish pace. But with the support of magnetic resonance imaging (MRI), Dr. Taylor and her team think they may be closer to determining such treatments.

After examine the brain pictures of hundreds of kids with cerebral malaria using MRI, Dr. Terrie Taylor and her team  identified that inflammation is what leads to death in cerebral malaria. Image credit MSU
After examine the brain pictures of hundreds of kids with cerebral malaria using MRI, Dr. Terrie Taylor and her team identified that inflammation is what leads to death in cerebral malaria. Image credit MSU

Death in cerebral malaria ‘triggered by brain stem compression’

Dr. Taylor spends 6 months in a year at the Queen Elizabeth Hospital in Malawi, treating and researching children with malaria. In 2008, the hospital obtained an MRI scanner – a device that, though common in developed nations, is very uncommon in Africa.

The study team used MRI to examine the brain pictures of hundreds of kids with cerebral malaria, some of whom had survived the condition and some of whom had died from it.

The outcomes of the research, which are presented in The New England Journal of Medicine, exposed that kids who had live through the disease never experienced brain inflammation, while the greater part of those who died experienced serious brain swelling. “This was a triumphant moment,” states Dr. Taylor. “I desired to say to the parasite ‘Ha! You never believed we would get an MRI, did you?'”

In detail, the investigators identified that the brain of some kids with cerebral malaria turns into so swollen that the organ is pushed out through the bottom of the skull, compressing the brain stem. This can lead to a child to stop respiration, resulting in their death.

Leaving comments on the team’s finding, Dr. Taylor states that:

“Because we understand now that the brain inflammation is what leads to death, we can work to discover new therapies.

The next move is to recognize what’s resulting in the swelling and then develop therapies targeting those causes. It’s also feasible that using ventilators to keep the kids breathing till the swelling decreases might save lives, but ventilators are few and far between in Africa at this time.”