Welcome back to our weekly diabetes advice chromatography column, written by old type 1 and diabetes author Wil Dubois.

This week, Wil's looking whether low blood sugars can lead to substance issues and strokes. You Crataegus laevigata Be surprised, because it's not forever A clear as you might think.

{Need supporte navigating life with diabetes? Email United States at AskDMine@diabetesmine.com}

James, eccentric 2 from Montana, writes: Later Reading last week's Deman D'Mine I got to wondering: Hindquarters low-pitched blood sugars cause a stroke?

Wil@Ask D'Mine answers: Heart attacks, you depend. Brain damage, sure. But strokes? Nope! Considerably… probably non. OK… kind of sorta, in some respects… peradventur…

Here's the problem. While there's so far to be any significant body of evidence that shows hypos actuate strokes, in that respect is some evidence that suggests that folks who have a lot of lows might have worsened strokes, when they do have them, than do mass WHO father't have a distribute of lows.

Where did that come from?

Well, according to search done past Kunjan Dave, John Tamariz, Kushal Desai, Frank Brand, Annie Liu, Isabel Paul, Sanjoy Bhattacharya, and Antonello Pileggi (that's quite a large team!), and promulgated in the journal Stroke—one of the peer-reviewed research journals of the American Core Association—continual hypoglycemia "exacerbated" cam stroke damage.

At least in diabetic rats.

OK, OK. Don River't stop reading. As my boss at the clinic where I worked for half my adult sprightliness splendidly said, "Rats are people, too." And this is a serious enough issue to count, even if the evidence is only animal. As the authors power point unconscious, strokes, along with heart disease, kill much 65% of PWDs. And while the effect of high blood sugar is understood (and I'll talk about that in few minutes) no one had ever so looked at the effect of the unintended consequence of intensive therapy on strokes and stroke outcomes. What unintended aftermath would that be?

Low blood sugar.

And sure enough, when the researchers dug into it, among ill rats with recurrent hypoglycemia, the poor little critters got messed up practically worse by the strokes than did diabetic rats with atomic number 102 lows.

Now, for you deep thinkers World Health Organization wonder how along worldly concern the researchers were capable to give the rats diabetes, the beta cell toxin streptozotochin was used. For those of you wondering how along earth you check a rat's blood loot, the answer is: Tail pricking. And a Bayer Ascensia meter. And where'd they bring their insulin shots? They didn't. For basic diabetes control, every the rats were given subcutaneous insulin pellets. OK, and the hypos? The rats chosen for hypos were given two lows a day, for five days, from Novolog injections in their femoral arteries, on top of their pellet treatments. To trigger lows, the rats got 0.25 units of insulin per kilogram of consistence weight. For a 200-pound human that would translate into most 22 units. How low did IT drop the rats? Actually, non Eastern Samoa underslung as you'd intend, single to 55-65 mg/deciliter, where they were held for a half an hour earlier being injected with sugar to bring them back off risen.

Actually, that's the aspect of this cogitation that scared me the nigh. That kinda abject is hardly desperate. In fact, both the level and the distance of time are scarce uncommon for most of us who use insulin.

Ahorse on, you'rhenium probably following wondering how on solid ground they gave the rats strokes. I guess at this point I'd better detail out that there are two types of strokes. The first type is titled ischemic, and this is caused by a blockage of the blood issue to the brain by a ancestry clot. The second eccentric is named hemorrhagic, and is caused aside the bursting of a blood vessel in the brain. Both types can cause irreversible legal injury to your grey substance. Or kill you.

But the ischemic strokes are the more unrefined kind, and it was a comparatively simple matter for the researchers to simulate them in the rats by blocking the line flow to their little rat brains. They did this by throttling off their arterial blood vessel arties. All was given an eight minute stroke.

Hey, don't shoot the messenger. Apparently, despite all this Inquisition-like torture, the rats were cared for under the Guide for the Care and Use of Science lab Animals published away the National Institutes of Health, which specifies the "highest scientific, humane, and ethical principles."

But back to the study, equitable how much worse was the stroke damage on the hypo rats? Are you sitting perfect? There was a 70% increase in neuronal dying compared to the control group. That's huge.

So what's the mechanism here? How do perennial lows lead to larger numbers of dead brain cells in the setting of a stroke? Well according to the researchers, recurrent hypoglycaemia increases free radical passing from mitochondria, which in turn "raised ischaemic damage."

Whaaaa?

OK. It's non as incompetent as information technology sounds. Protrusive at the back, "increased ischemic damage," is just a fancy way of saying more brain cells were killed in the stroke. And mitochondria? Crudely put, that's a cell's lung. Comfortably, Sir Thomas More of a lung and a digestive system combined. Mitochondria handle respiration and push yield. And free radicals? They aren't loopy protestors with peace treaty signs, pot pipes, and protestation signs. They are highly reactive dead molecules, which trigger oxidative stress, which in turn is the smoking gun in most types of tissue damage complications of masterless diabetes.

So we don't want no free radicals. At to the lowest degree in our bodies.

Unlike heart attacks and brain damage, where a single bad low can either trigger a heart attack or case brain damage, the connection between strokes and lows is more complex. The lows plant up an environment in which, if a stoke happens, it's super-moderate-size.

So you sure equally shit want to ward of a stroke if you are having a lot of lows. Only, once more, IT doesn't seem that the lows themselves trigger strokes. There's no evidence for that yet. Course, bear in judgement only a few years ago we didn't realize that lows triggered ticker attacks, either. So who knows? But what we do know is that strokes can be triggered by malodourous blood line kale.

Yeah. High blood sugars absolutely increase apoplexy risk. Oh, and nonpareil opposite thing to keep in mind is that high blood glucose, in addition to being a set off for a diagonal in the beginning, has a role to play in how that apoplexy plays out. High blood sugar reduces "medical institution outcomes" post-stroke, a fancy white-coat way of locution you're more likely to buy the farm following a stroke if your roue sugars have been running high. So information technology looks like both high and low blood cabbage can realize strokes worse.

Well, that was a long answer to a short question, wasn't information technology? The takeout food is that, no, IT doesn't appear that a low—or even a good deal of lows—can trigger strokes. But if you have frequent lows, so have a CVA, it sure looks look-alike your risk for an unhappy ending is much, much higher.

Like, by 70% some.

This is non a medical advice column. We are PWDs freely and openly joint the wisdom of our collected experiences — our been-there-done-that knowledge from the trenches. Buttocks Line: You quiet pauperization the professional advice and care of a licensed medical professional.