health

Husband's Cholesterol Level Prompts Wife to Question Statin Need

Ask the Doctors by by Eve Glazier, M.D. and Elizabeth Ko, M.D
by Eve Glazier, M.D. and Elizabeth Ko, M.D
Ask the Doctors | October 23rd, 2017

Dear Doctor: At our last checkups, my husband's LDL was 147, and his HDL was 70. He doesn't know his total cholesterol. My LDL was 157, my HDL 77, and my total cholesterol was 254. But only my husband was prescribed a statin. Is there a reason for this, other than that we have different doctors?

Dear Reader: Although cholesterol is but one of a myriad of risk factors that lead to atherosclerosis, or hardening of the arteries, it's one that can be changed with medications -- with some experts believing that a large portion of the population should be taking these medications to prevent a heart attack or stroke. However, the science is somewhat nuanced as to who precisely might be the best candidates for cholesterol-lowering medication.

The question to ask: Does your husband have other risk factors for atherosclerosis that you don't? This may not be applicable to you or your husband, but smoking cigarettes is one of the greatest risk factors for heart disease. Women who smoke 20 cigarettes per day have a six-times-higher risk of having a heart attack than those who have never smoked. Men have a three-times-greater risk. Other independent risk factors for heart disease are: high blood pressure; diabetes; a history of early heart attacks among immediate family members; elevated levels of an inflammatory marker called cardiac CRP; age; obesity; kidney problems; and, of course, gender. Men simply have a greater incidence of heart attacks than women.

Now let's look at the numbers. Both you and your husband have a high HDL, the so-called "good" cholesterol. People with low HDL cholesterol (less than 40 in men and less than 50 in women) have a greater risk of heart attacks. Elevated LDL, the so-called "bad" cholesterol, is an independent risk factor for atherosclerosis. Studies have shown a decrease in heart attacks and strokes in those with risk factors for atherosclerosis who lower LDL cholesterol with medication.

Many doctors use a calculation based on age, HDL cholesterol, total cholesterol, diabetes, high blood pressure and smoking history to determine a 10-year risk of having a heart attack, stroke or heart failure. The assessment that these doctors make is this: If the calculation shows that a person has a greater than 7.5 to 10 percent risk over a 10-year period, then they should be on a medication to lower cholesterol. Your husband's risk, based on other factors, may have put him at a level for which treatment was deemed necessary.

That said, the science behind the risk calculator is not strong and is, in fact, based on older data. A recent study published in the Journal of the American College of Cardiology tracked 307,000 patients from 2008 through 2013 -- complete with a five-year follow-up -- and found, preliminarily, that the assessment calculators significantly overestimated risk. Thus, many patients may be placed on statins based on an inaccurate calculation.

To your point about physicians, however, some doctors are indeed more likely to treat an elevated LDL cholesterol than others.

So, while your husband may have other risk factors that would lead a physician to prescribe a statin, if you're still concerned about your cholesterol numbers, I would suggest you discuss this with your physician.

(Send your questions to askthedoctors@mednet.ucla.edu, or write: Ask the Doctors, c/o Media Relations, UCLA Health, 924 Westwood Blvd., Suite 350, Los Angeles, CA, 90095. Owing to the volume of mail, personal replies cannot be provided.)

health

Some NSAIDs Linked to Greater Risk of Heart Attack and Stroke

Ask the Doctors by by Eve Glazier, M.D. and Elizabeth Ko, M.D
by Eve Glazier, M.D. and Elizabeth Ko, M.D
Ask the Doctors | October 21st, 2017

Dear Doctor: Do NSAIDs really increase the risk of heart attacks, as I read in the news recently? I take aspirin or Tylenol whenever I get a headache, which is at least a few times each month. Should I be worried?

Dear Reader: Nonsteroidal anti-inflammatory drugs, or NSAIDs, are a widely used group of medications taken to reduce or relieve mild to moderate pain. Ibuprofen, which sells under brand names like Advil and Motrin, and naproxen, which appears under brand names like Aleve and Naprosyn, are among the more popular NSAIDs. Others include diclofenac and celecoxib, both of which require a prescription. And to get right to your question, yes, a body of research warns that NSAIDs are associated with an increased risk of heart attack and stroke.

It's estimated that up to 30 million people in the United States turn to NSAIDs each day to deal with aches and pains, cramps, fever and swelling. The drugs work by blocking the enzymes that produce compounds known as prostaglandins, which trigger the inflammatory response that your body uses to heal itself. That inflammatory response is what causes the aches, pains, fever and swelling when we get hurt or fall ill.

However, NSAIDs can also act on platelet aggregation and cause blood clots, increase fluid retention, raise blood pressure and cause arteries to constrict. When this happens in the right combination and in the wrong person, it can lead to a heart attack or a stroke. Some of the more minor side effects associated with NSAIDs include stomach upset, nausea, diarrhea, rash and constipation.

In 2005, the Food and Drug Administration issued a warning about the link between NSAIDs and stroke and heart attack. A decade later, working from the results of additional research, the FDA strengthened that warning. Since then, numerous studies have come to the same conclusion.

Most recently, a study from the University of Montreal Hospital confirmed the link between NSAIDs and heart attack or stroke. Researchers found that after as little as one week of use of NSAIDs, heart attack risk increased between 20 and 50 percent. One month after the drug was stopped, that risk declined sharply.

While some NSAIDs require a prescription and are taken under a doctor's guidance, quite a few are available over-the-counter. That means that unless buyers are taking the time to read the small print on both the bottle and that origamilike paper insert in the package (and, really, how many of us actually do?) and then strictly following the dosage guidelines, they risk running into trouble.

As for whether you need to worry, the answer is no.

The aspirin you're taking is an NSAID, but the good news is that it is exempt from the stroke/heart attack warning. In fact, because aspirin inhibits the clotting of blood for periods of time ranging from four days to a week, it is commonly used to prevent heart attacks and strokes. Tylenol, the other popular over-the-counter pain reliever you're taking for headache pain, is not considered to be a NSAID. However, do be sure to read the label -- when it is not used properly, Tylenol can affect the liver.

(Send your questions to askthedoctors@mednet.ucla.edu, or write: Ask the Doctors, c/o Media Relations, UCLA Health, 924 Westwood Blvd., Suite 350, Los Angeles, CA, 90095. Owing to the volume of mail, personal replies cannot be provided.)

health

Melatonin and CoQ10 Have Been Shown to Prevent Migraines

Ask the Doctors by by Eve Glazier, M.D. and Elizabeth Ko, M.D
by Eve Glazier, M.D. and Elizabeth Ko, M.D
Ask the Doctors | October 20th, 2017

Dear Doctor: I've suffered with migraines for years, and my doctor wants to give me a daily medication to prevent them. I'm reluctant to rely too heavily on drugs. Aren't there any vitamins or non-prescription medications I can take to prevent migraines?

Dear Reader: The short answer is yes: You can reduce your risk of migraines through non-prescription methods -- and you're not alone in trying to do so. Migraines affect about 12 percent of people in the United States, occurring more often in women, in people between the ages of 30 and 39, and within families.

The headaches can last for hours or up to three days, causing an inability to focus and significant lost productivity. A retrospective analysis of migraine sufferers found that emotional stress was a trigger for 80 percent of them, missing a meal was a trigger for 57 percent, and lack of sleep was a trigger for 50 percent.

When it comes to behavioral interventions, relaxation techniques, cognitive therapy, consistent aerobic exercise and good sleep hygiene can all decrease the frequency of migraines. Now let's look at the data on nutritional supplements.

We'll start with coenzyme CoQ10. In a small 2005 study, patients who experienced migraine headaches two to eight times per month were randomly assigned to take either a placebo or 100 milligrams of CoQ10 three times per day for at least three months. The authors measured success as a greater than 50 percent reduction in the frequency of migraines. Only 14.4 percent of those who took the placebo showed this level of reduction, but 47.6 percent of those who took CoQ10 reduced their frequency of migraines by that amount.

Then there's the B vitamin riboflavin. A small 1998 study found that 59 percent of people who took a daily dose of 400 milligrams had a greater than 50 percent reduction in the frequency of migraines, compared to 15 percent of those who took a placebo. However, it took three months for riboflavin to show this benefit.

Knowing that sleep problems increase the risk of migraines, researchers in a 2016 study compared the effects of 3 milligrams of melatonin to the effects of the anti-depressant amitriptyline or of a placebo. After three months, 54.4 percent of people who took melatonin had a 50 percent or greater reduction in frequency of headaches compared to 39.1 percent in the amitriptyline group and 20 percent in the placebo group. That seems promising, but note that a 2010 study of people who took 2 milligrams of melatonin for a two-month period did not show significant benefit when compared with a placebo.

Now let's move on to botanicals. Small studies have suggested that the root of the butterbur plant, Petasites hybridus, can decrease migraine frequency, but the plant can be toxic to the liver and, in animal studies, has led to genetic changes that could lead to cancer.

Feverfew is another potential treatment. A combined analysis of six trials of the herb yielded conflicting results. Overall, the studies showed that feverfew can decrease the frequency of migraines by 0.6 times per month compared to placebo. Note that it can cause rebound headaches if abruptly stopped, however.

In short, more studies are needed. That said, CoQ10, riboflavin and melatonin all seem like reasonable approaches to help prevent migraines.

(Send your questions to askthedoctors@mednet.ucla.edu, or write: Ask the Doctors, c/o Media Relations, UCLA Health, 924 Westwood Blvd., Suite 350, Los Angeles, CA, 90095. Owing to the volume of mail, personal replies cannot be provided.)

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