Diabetes and PAD are a dangerous combination. (Especially Type 2 diabetes, since most people with this disease develop a form of cardiovascular disease such as PAD. And, while the risk of organ damage from diabetes has decreased over time, there is still a high risk for arterial damage from the disease.) That's a problem, since
Peripheral Arterial Disease (PAD) limits your blood flow. Then, high blood sugar levels can also compromise your blood flow. (And cause nerve damage, which makes you lose feeling in your extremities.) The risk for PAD can even begin if you are prediabetic, as studies show that atherosclerosis (artery hardening) is more common among prediabetics than the general population.
Then, once you are fully diabetic? At that point, the disease is a strong enough risk factor for PAD that some patients will be diagnosed with Diabetic Peripheral Artery Disease (DPAD). And, when dealing with this combination, these factors mean that even small wounds can turn into big infections. At that point, your diabetic ulcer could put you at risk for amputation.
At this point, that possibility is a big problem. According to a new study from Kaiser Health News, this country is facing an epidemic of diabetic foot amputations. In California alone, between 2011 and 2017, 82,000 individuals lost limbs due to diabetic complications.
Limb Loss and Diabetes
As we mentioned, diabetics lose their limbs for a number of reasons. The disease can raise sugar levels in the bloodstream, which in turn can affect circulation and cause organ damage. Also, according to a new study in the journal Diabetes, the disease damages your red blood cells. Specifically, the disease reduces small molecule microRNA-210 in those cells. And, since those molecules help regulate your vascular function, this may contribute to your risk of diabetic limb loss.
Diabetics also often experience reduced sensation in the extremities (neuropathy), which can threaten limbs in two ways. People with circulatory and nerve damage may not know when they injured their limbs. And, because they have compromised blood circulation, even minor injuries can be slow to heal. Over time, and without routine medical care, these untreated, unhealed injuries become deep wounds (ulcers). Once
ulcers develop, diabetics are at immediate risk of losing part of or all of the affected limb.
Unfortunately, matters get worse when you factor in racial inequities. In fact, according to new information revealed in the
Circulation journal, Black adults over 50 are at least twice as likely to suffer from PAD as their white peers. They're also more likely to seek treatment for more advanced disease, and more likely to experience adverse outcomes such as amputation or even death.
Many Amputations are Avoidable
While all the statistics in the study were scary, there's one fact we, as
Houston vein specialists, found particularly scary: many of these amputations would have been avoidable with routine medical care. And, it showed that people who were black or Hispanic were twice as likely to face an amputation, due in large part to inadequate access to care.
So that's the bad news that we took away from this study, but here's something that can make you feel more at ease: with proper preventative care, you can keep your diabetes in good control. This can help you prevent devastating complications like amputations.
Cholesterol, Diabetes and PAD
What kind of preventative vein care do we recommend for diabetics? Diabetes can damage your blood vessels (veins, arteries and/or capillaries), causing your body to deposit cholesterol within the vessels in the hopes of preventing further damage.
Now, cholesterol is a waxy substance that occurs naturally in your cells. Your liver also makes cholesterol, or you take in cholesterol from your food. While you may not know this, your body actually needs some cholesterol to function. After all, cholesterol is involved in making vitamin D, your sex hormones, and steroid hormones such as cortisol. Plus, some cholesterol gets converted to bile acids in your body. And you need those acids to absorb
vitamins a, d, e and k. In other words, you need a little bit of cholesterol to stay healthy.
But the problems start when your cholesterol levels rise. Because, unfortunately, cholesterol can build up. Then, deposits can clog your arteries, causing
a condition known as atherosclerosis. (That's when your arteries narrow, or harden. It's what causes PAD, leaving you at risk of heart-related complications.) And that's where our specialists can help: using interventional radiology techniques, we can remove blockages and help restore your blood flow.
Improved blood flow will reduce your risk of ulcers, help heal existing wounds, and go a long way towards preventing limb loss. Plus, it can help relieve other symptoms of PAD, including pain when you walk, hair loss and skin changes. Even better? Choosing minimally invasive PAD treatment can do more to prevent limb loss.
Amputations, PCBs and Peripheral Arteries
A new review from the European Journal of Vascular and Endovascular Surgery suggests that widening your arteries using paclitaxel-coated balloons (PCBs) ups your risk for major amputation. Fortunately, in our office, we can also treat PAD with stents or atherectomy, so you have your choice of limb-saving options. Which, along with diabetes care, may help you preserve your long-term health.
Plus, we're following new developments in treating PAD. One exciting possibility? LimFlow Inc. is developing a Percutaneous Deep Vein Arterilization System. Basically, it's a minimally invasive device that can bypass blockages in your leg arteries to
boost blood flow.
What's their goal? To help
interventional radiologists like the ones on our team help blood get back to your feet and legs. That way, we can resolve your PAD symptoms, heal any leg ulcers, and improve your quality of life. And, while we're waiting for more date, initial results from the company's clinical device trials show that 77% of patients avoided amputations, 85% enjoyed complete wound healing, and 92% of patients started or completed healing.
Diabetes and Varicose Veins
Diabetes and PAD aren't your only concern: this disease can impact your veins as well. If your blood sugar levels stay elevated for too long, that can damage your blood vessels. Typically, the first blood vessels to experience damage are the ones in your leg. As a result, uncontrolled diabetes can increase your risk for
varicose veins.
What does all this mean for you? Well, if you have diabetes, make sure you keep up appointments with your regular medical team. (And make sure to address any
circulatory problems right away.) If you've got reduced blood flow or atherosclerosis,
make an appointment with our team of experts right away. Doing so might just be the decision you make that saves your limbs!
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