Technology nowadays has made even the most complex of studies very easy and understandable with valuable findings. And now, researchers from the University of Waterloo have used computer simulations to better understand the impacts pregnancy can have on kidneys.
The research paper, titled, 'Adaptive changes in single-nephron GFR, tubular morphology, and transport in a pregnant rat nephron: modelling and analysis' was published in the 'American Journal of Physiology-Renal Physiology'.
It was authored by Melissa Stadt, a master's researcher in applied mathematics at the University of Waterloo and Anita Layton, professor of applied mathematics and Canada 150 Research Chair in mathematical biology and medicine at the University of Waterloo.
The new research has aimed to help medical practitioners better understand the physiology of the kidneys during pregnancy and develop appropriate patient care and treatments to improve health outcomes.
The researchers were interested in how the kidneys changed during a typical pregnancy and how increased strain on the kidneys could lead to gestational diseases. The kidneys also had a possibility to be affected by preeclampsia - unusually high blood pressure during pregnancy that may lead to organ damage.
"One thing that happens during pregnancy is that plasma volume expands to supply a developing fetus and placenta," said Stadt. "There's also retention of extra sodium and potassium, which are essential electrolytes during pregnancy. Basically, everything about pregnancy means a lot more work for the kidneys," she added.
The research team used computational models representing kidney function during mid-and late pregnancy. These in-silico experiments, so-called because they were essentially conducted in the silicon of computer chips, provided a way to simulate different kinds of strain on the kidneys that would otherwise not be possible to test in live pregnancies without substantial risk.
Because of the risks associated with human pregnancies, medical researchers often used other mammals like rats for research. Although computational models did not require any live test subjects, the research team still modelled rat pregnancies so they could incorporate more of the existing scientific data into their study.
"What's powerful about computational modelling is that we can do trials that we could never do in live experiments," said Layton. "We can easily change one parameter and see the implications. Once we have the working model, we can see how these changes affect pregnancy," she added.
While computational models of organs like the kidneys are only ever approximations of what may happen in a specific individual case, they are a safe, cost-effective and timely way to conduct trials, not just of the various impacts pregnancy may have on the kidneys, but also of potential treatments and medications.
"If things go wrong in pregnancy, it can affect the mother for the rest of their life, and the growing fetus is very sensitive to any complications that affect the mother's organs," said Layton. "That's where our models come in. Unfortunately, there's a big gap in medical research related to all the changes in the kidneys of pregnant women. So our research is trying to make some progress and help improve health outcomes during pregnancy."
( With inputs from ANI )
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