health

Antibiotics May Be Option for Patients With Acute Appendicitis

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 | May 1st, 2018

Dear Doctor: My older brother was experiencing abdominal pain and nausea, and when he went to his doctor, he was told he had a "hot" appendix. But instead of surgery, he was treated with antibiotics. Is this safe? Shouldn't his appendix have been removed?

Dear Reader: You're correct that surgery has long been the go-to method of dealing with appendicitis. The first successful appendectomy was actually performed in London in 1735, to remove the perforated appendix of a young boy who had swallowed a pin. (And this was pre-anesthesia, so you can imagine what a grueling procedure that must have been.)

Since that time, surgical techniques have advanced to the point where, by the late 1990s, traditional open surgery had given way to the less invasive laparoscopic approach. Now, medicine is revisiting the idea of treating the existing infection in the appendix -- that's where the antibiotics come in -- rather than pre-emptively removing the organ.

The appendix is a thin, tubular pouch, about 2 to 4 inches long in adults, which descends from the colon on the lower right side of the abdomen. Since it has no obvious purpose, it has been the subject of scientific speculation pretty much from the moment it was first identified. However, according to the most recent findings, the appendix is more complex and more important than was previously thought. Research shows that it's the site of vital cellular activity during fetal development. In adults, it appears to have a role in immune function.

An inflamed or infected appendix is a medical emergency. That's because, if left untreated, the buildup of infectious materials inside of it can cause it to become perforated or even burst. If that happens, the contents of the appendix will spill into the abdominal cavity, which can lead to serious complications, like peritonitis. In cases of a burst or perforated appendix, surgery is always the primary treatment. Not only does the appendix need to be removed, the abdominal cavity must be cleansed to prevent infection.

When the appendix is merely inflamed, though, and when CT scans confirm that the organ is not in danger of bursting, treating the existing infection with antibiotics becomes an option. Patients say they opt for this treatment because they want to avoid the risks of surgery and the resulting time spent recovering from the procedure. They are also drawn to the lower cost of the antibiotics option. And while studies support the use of antibiotics in treating uncomplicated acute appendicitis, the approach has its drawbacks.

A study published in the Journal of the American Medical Association in 2015 compared the outcomes patients who underwent appendectomies with those who underwent treatment with antibiotics. In the group that had the surgery, all but one of the 273 surgical patients had successful outcomes. Among the non-surgical group, 70 of the 256 patients -- that's 27 percent -- had a recurrence and required surgery within the next 12 months. Still, for the other 186 patients, antibiotic therapy spared them the risks and costs of surgery.

Of course, every person's circumstance is unique. We're assuming your brother had a conversation with his doctor about the best treatment for him, and we would encourage others to do so as well.

(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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Patient Worries About Side Effects of Anti-Arrhythmic Medication

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 | April 30th, 2018

Dear Doctor: My doctor wants me to take amiodarone for my heart. But the potential side effects scare the heck out of me: possible death, permanent blindness, liver problems, thyroid problems. Should I do catheter ablation instead? My doctor says my fears are unwarranted.

Dear Reader: I can understand your concerns regarding amiodarone; the potential side effects do sound alarming. But keep in mind that the drug has been used for many years to help control the heart from going into abnormal rhythms and, unlike other medications used to maintain normal heart rhythm, amiodarone is less likely to cause abnormal heart rhythms, meaning that it is less likely to lead to sudden cardiac death. Because of this, amiodarone is the most commonly prescribed anti-arrhythmic medication.

That doesn't mean one should discount the possible side effects. First, amiodarone can be toxic to the lungs, causing an inflammatory reaction that leads to cough, shortness of breath, weight loss and chest pain. Lung toxicity occurs 5 to 15 percent of the time at doses higher than 400 milligrams per day, but only 1.9 percent of the time at doses of 150 to 330 milligrams per day. Because amiodarone is stored in fat cells, it may take months for the symptoms to begin to reverse, so afflicted patients will need to take prolonged courses of oral steroids to decrease inflammation.

Amiodarone can also affect the thyroid, causing low or high thyroid levels in the blood. Low thyroid levels are most likely, occurring in up to 20 percent of patients on high doses of the medication, but in only 3 to 4 percent of patients taking lower doses. High thyroid levels can result up to 3 percent of the time. Because of these effects, you should have your thyroid levels checked before starting amiodarone and every six months after starting the medication.

As you mentioned, the drug can also cause nerve dysfunction in the eye, leading to blindness, though this is rare. Amiodarone can also affect other nerves of the body, leading to tremors, loss of sensation and loss of bodily control. This happens much less frequently at lower doses, but still occurs about 4 percent of the time. Further, the drug can elevate blood tests for liver enzymes, with some people developing significant liver inflammation. As with the thyroid, you should monitor your liver function every six months while taking amiodarone.

A host of minor side effects include nausea, skin reactions and urinary difficulties.

You mentioned considering catheter ablation, which is sometimes performed for abnormal heart rhythms. In this procedure, an energy source is used to destroy the portion of the heart causing the abnormal rhythm. However, with some heart rhythm problems, such as atrial fibrillation, catheter ablation may initially convert the rhythm, but after one year the atrial fibrillation returns in up to 60 percent of patients. Using amiodarone before and after the catheter ablation can significantly increase the rate of success for the ablation. So, if you have atrial fibrillation, you may benefit from both amiodarone and catheter ablation.

I'm not certain what type of heart condition you have or why your doctor recommends amiodarone specifically. But it is indeed a good medication for preventing abnormal heart rhythms. Just be sure you're monitored closely for lung toxicity, thyroid abnormalities and liver inflammation.

(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

Talk to Your Doctor First Before Trying Fasting-Mimicking Diet

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 | April 28th, 2018

Dear Doctor: I'm reading a lot about a fasting-mimicking diet, which is supposed to help you live longer. What is it? I've been planning to lose some weight and wonder whether this diet might be worth trying.

Dear Reader: The approach you're referring to falls into an ever-expanding category of dieting known as intermittent fasting. It has its roots in research that has found a correlation between periodic fasting and increased longevity, as well as positive health outcomes. We live in a culture obsessed with the notion that we're just one ingredient or rule or combination of foods away from a perfect diet, one that will keep us (no pressure) lean and fit and healthy and happy, so it's not too surprising that the fasting-mimicking diet would have its moment.

Let's start with the background. A number of studies have found that intermittent fasting can bestow a range of metabolic benefits. These include a reduction in body fat and overall body weight, lower blood pressure, improved blood lipid levels and improved regulation of blood sugar. Several methodologies fall under the intermittent fasting umbrella, including 24-hour fasts, alternate-day fasting, restricted calorie diets and time-restricted diets, which allow eating only during certain hours of the day. The downside of this approach to eating is that it is quite restrictive and can be difficult to adhere to. In addition, there is concern that intermittent fasting, which entails a certain amount of deprivation, can lead to bingeing and other extreme eating behavior.

When it comes to the fasting-mimicking diet, the food restrictions kick in for just five days out of the month. That is, the diet mimics a fast without requiring daily deprivation. During those five days, calories are limited to about 800 per day. The nutrient profile of the diet is typically high in fat, low in protein, with carbohydrates falling somewhere in the middle. Some versions of this approach, which are more extreme, allocate nutrients in accordance with the high-fat ketogenic diet. In this approach, 80 percent of daily calories come from fat, with the rest divided equally between carbohydrates and protein.

A study published in the journal Science Translational Medicine last year followed 71 individuals who either followed a fasting-mimicking diet for five days each month for three months, or else switched to the fasting-mimicking diet after first following their normal diet for three months. Among both groups, researchers saw a drop in both body weight and body fat, as well as beneficial effects to blood pressure, fasting blood glucose and markers of inflammation. Interestingly, these benefits were more pronounced among individuals at greatest risk for disease than in those who were not at risk. And while the authors of this study concluded that the five-day fasting-mimicking diet is both safe and feasible for healthy adults, they also point out that larger studies are needed to see whether these results can be replicated.

As for whether this particular approach is one you should try, we believe that's a discussion you should have with either a dietician or your family physician. While the benefits of this approach to diet are appealing, it requires both discipline and consistency for optimal results.

(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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