health

Acupuncture Is an Option for Carpal Tunnel Treatment

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 | June 23rd, 2017

Dear Doctor: Could acupuncture help my carpal tunnel syndrome?

Dear Reader: Carpal tunnel syndrome (CTS) is caused by compression of the median nerve within the wrist, specifically in an area called the carpal tunnel. The symptoms include pain or numbness that radiates to the first three fingers of the hand. The sensations can awaken patients at night or strike when they're doing certain activities. When the median nerve is significantly compressed, a person can develop weakness in the thumb and fingers and have difficulty even holding a cup. Wrist splints, physical therapy, NSAIDs and steroids can initially address the condition, while surgery is often recommended for severe cases. But only recently has acupuncture been studied for carpal tunnel syndrome.

Let's start with a 2011 review of multiple studies of acupuncture for carpal tunnel syndrome. Many studies were not randomized controlled trials, but the authors were able to evaluate six trials: four done in China, one from the United States and one from Germany. Five of the studies used needle acupuncture, and one of the studies used laser acupuncture, which targets acupuncture points with low-energy laser beams.

The U.S. study compared acupuncture in traditional acupuncture points with acupuncture in random points, called sham acupuncture. That study found no difference between the two types of acupuncture. Two studies that compared steroid injections to acupuncture found a greater benefit with the use of acupuncture. A study comparing massage to acupuncture with massage found greater benefit with the acupuncture version than with the massage alone. And a fifth study, comparing acupuncture to oral steroids, found only a mild benefit from acupuncture. As for the laser acupuncture trial, it found a greater benefit with laser upon traditional acupuncture points versus laser upon sham acupuncture points.

Overall, those authors concluded that the data supporting acupuncture for carpal tunnel syndrome are encouraging, but not convincing.

A 2012 study performed in Iran was slightly more positive. It compared the use of wrist splints at night along with two acupuncture treatments per week for four weeks versus the use of night splints along with B12 vitamins and sham acupuncture. Symptom scores stayed unchanged in the sham acupuncture group, but significantly improved with the use of traditional acupuncture points. In addition, nerve function slightly improved with the use of traditional acupuncture points, but not with sham acupuncture.

A 2017 U.S. study divided 79 carpal tunnel patients into three treatment groups: one group that received acupuncture with electrical stimulation against traditional points near the wrists; another group that used sham acupuncture; and a last group that used acupuncture with electrical stimulation against traditional points, but in an area far from the wrists. Each group had 16 treatments over eight weeks.

The authors found a greater improvement of symptoms with the use of traditional wrist acupuncture and electrical stimulation versus those who had sham acupuncture. They also found improvements in nerve conduction using the acupuncture with electrical stimulation against both local and distant points. What was most interesting about this study was that the authors showed how acupuncture in traditional, and not sham, acupuncture points caused brain changes on functional MRIs, which correlated with a decrease in symptoms of CTS.

If you have mild to moderate carpal tunnel syndrome, it certainly seems worth considering acupuncture in addition to wrist splints at night and physical therapy. However, more studies are needed to solidify this recommendation.

(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

Antibacterial Products Offer No Resistance to Viruses

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 | June 22nd, 2017

Dear Doctor: Can you settle an argument in our family? Ever since the Ebola virus hit the news, my aunt has been using antibacterial products for everything. She even had the kitchen walls coated with antibacterial paint! But from what we're learning in biology, that's not going to help against a virus. Who's right?

Dear Reader: It's true that whenever reports of a dangerous outbreak like Ebola, bird flu or the Zika virus hit the news cycle, sales of antibacterial products spike. People are understandably concerned about their health and safety, and are responding to news reports that can be high in drama but low on important details.

What you're learning in biology is correct. Antibacterial products will have no effect on a virus. In fact, there is growing concern that the overuse of antibacterial soaps, lotions, laundry products, cosmetics and even house paint may cause more problems than it is solving. A bit about that in a moment.

But first, what's the difference between a bacterium and a virus?

A virus, which needs a host to survive, is basically a Trojan horse. It's made up of a protein coat that shields a core of genetic material. Once inside the body, the virus enters a cell and hijacks its biological mechanisms. It forces the cell to turn out thousands of new copies of the virus, which causes the cell to die. These newly minted viruses then go on to attack fresh cells.

Although they cause a host of deadly illnesses, viruses are not all bad. Thanks to their vast numbers and remarkable diversity, scientists believe that viruses have beneficial functions that are not yet understood. In fact, some leading-edge research into cancer is exploring how to harness the unique properties of viruses to formulate new medications, as well as find mechanisms to attack disease cells.

Bacteria, by contrast, are tiny one-celled organisms that can reproduce on their own. The vast majority of them are benign and even helpful, as we're learning in our research into the gut biome. Less than 1 percent of bacteria cause illness in humans. Those that do emit toxins that damage tissue, interfere with important biological pathways and make you sick. Illnesses caused by bacteria include food poisoning, Lyme disease, pneumonia, cholera and dysentery, to name just a few.

Like viruses, bacteria reproduce quickly. Unlike viruses, they can proliferate outside of human cells. That means that good hygiene is the best defense against the spread of bacterial infections.

So how can products that target bacteria be bad?

The problem is that antibacterial products aren't 100 percent effective. The bacteria they leave behind can, over time, develop a tolerance to certain antibacterial agents in the products, a trait known as cross-resistance. Scientists are concerned that this can lead to genetic mutations that will make bacteria immune to antibiotics.

But we have good news.

According to the FDA, plain old soap and water is still the best defense against bacterial contamination. Soap lifts dirt from your hands and, with 30 seconds of scrubbing and a thorough rinse, the bacteria are down the drain.

(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

Surgery Not Always Necessary for Hyperparathyroidism

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 | June 21st, 2017

Dear Doctor: When does a person require parathyroid surgery? I've heard it discussed, but don't know much about it.

Dear Reader: As their name implies, the parathyroid glands are located next to the thyroid gland. You have four of them, two on each side, behind the thyroid gland in the neck. The parathyroid glands help regulate calcium and potassium levels in the bloodstream. They do this through the production of parathyroid hormone, which is produced in varying quantities depending upon the levels of calcium, phosphorus and vitamin D. As the calcium levels increase, the levels of parathyroid hormone decrease and vice versa.

Sometimes, however, the parathyroid glands overproduce parathyroid hormone, causing levels of calcium to increase. Primary hyperparathyroidism is the overproduction of parathyroid hormone due to a defect with the gland. This occurs in three in 1,000 people, and is more prevalent between the ages of 50 and 65; women are three times more likely than men to have the condition.

In 80 to 85 percent of cases, primary hyperparathyroidism is due to a benign tumor on one of the parathyroid glands. About 6 percent of the time, primary hyperparathyroidism is related to enlargement of two or more parathyroid glands. Only rarely, in 1 to 2 percent of cases, parathyroid cancer is the cause of this hormone elevation.

Most hyperparathyroidism symptoms aren't obvious. The condition is generally found incidentally after a blood test shows a high calcium level. In such cases, patients have often complained of fatigue, weakness, decreased appetite and difficulties with mental tasks. The classical symptoms of primary hyperparathyroidism are a depressed mood, nausea, poor appetite, increased thirst, increased urination, kidney stones and, very rarely, bone pain and psychosis. Of note, people with this condition have a two- to threefold increased risk of bone fractures. Further, when primary hyperparathyroidism is severe, the high calcium levels can lead to confusion and even coma.

In such severe cases, surgery is obviously warranted. It is also indicated if calcium blood levels are greater than 1 mg/dl above the upper limit of normal; if a person has osteoporosis, kidney stones or kidney dysfunction; or if the person is younger than 50.

But, if calcium levels are only mildly elevated, it isn't clear that surgery is necessary. That said, people who have had surgery due to mild calcium elevations have noted increases in bone density, decreased incidence of kidney stones and slight improvement of mood.

For a less invasive surgery, it is important to determine which of the glands is overproducing parathyroid hormone. This is normally done with a SPECT scan and an ultrasound. In the hands of an experienced surgeon, this assessment will lead to a smaller incision, less operating time and less damage to surrounding tissues.

However, when high levels are caused by multiple glands overproducing parathyroid hormone (which occurs 15 percent of the time) or if a thyroid abnormality is also found, then a more extensive surgical exploration is needed. A significant drop in blood calcium levels can happen after surgery, so the levels need to be monitored afterward.

Not everyone is a candidate for surgery. If this is the case, medications like Cinacalcet can lower calcium levels, and bisphosphonates, like Fosamax, can improve bone density.

As with every condition, each person's needs are different.

(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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