health

Hip Fractures Not Uncommon Among the Elderly

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 | September 6th, 2017

Dear Doctor: I know of several older women who have died within a year after a hip fracture. But why? Is this due to a cause and effect of a bone fracture, or something else entirely?

Dear Reader: Hip fractures are common as we get older. The lifetime risk of a hip fracture in a woman is 17.5 percent; for men, it's 6 percent. Women have greater rates of osteoporosis than men and thus the greater risk of fractures. Now let's look at why hip fractures increase the rate of death.

Let's start with the most common reason for an older person to get a fracture -- a fall. Such a fall doesn't usually occur from hiking mountainous terrain, but rather from a misstep or a loss of balance within the home. In fact, 90 percent of hip fractures in the elderly occur because of a fall from a standing position. The loss of balance that precipitates a fall occurs because of weakness in hip girdle muscles, and/or generalized weakness due to illness, medication and/or a prior stroke. To put it simply, the more debility one has, the greater their chance of falling; the hip fracture is often the consequence of that debility. So this debility, in itself, can be a major reason for the increased death rates seen among people with hip fractures.

Next, the majority of displaced hip fractures will require surgery to repair. The surgery can be either a total hip replacement or a surgery to bring the misaligned pieces of bone together using metal screws, rods and plates. Surgeries are fraught with possible complications, leading to a greater risk of debility and even death. Complications include blood loss, cardiac arrest, stroke, problems with anesthesia, infection and blood clots.

However, waiting too long to have a surgery for a hip fracture can also lead to prolonged bedrest, resulting in an increased chance of blood clots in the legs, bed sores, urinary tract infections, pneumonia and, again, death.

Another problem, before and after surgery for a hip fracture, is that elderly patients are especially likely to become delirious. One study found that 61 percent of elderly patients with a hip fracture had an acute state of confusion. This confusion leads to greater agitation, an inability to eat and limited ability to recover from a hip fracture. In addition, confusion can lead to medications to sedate an agitated patient, further delaying recovery.

For some, recovery from a hip fracture can take months. Long hospital and rehabilitation facility stays lead to an even greater risk of complications.

When you add pre-fracture problems to post-fracture problems, it's no surprise that the mortality rates are so high. A 2017 European study found that, in people older than 60, 15.1 percent of 463 patients died within one year of a hip fracture. A 2010 American study of the same age group found that 21.2 percent of 758 patients died within one year of a hip fracture.

So prevention is crucial. Regular exercise, use of calcium and maintaining good vitamin D levels are absolutely necessary. So is good overall health. Encourage it in yourself, and do what you can for those you love.

(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

No Definitive Answer as to Whether Organics Are Healthier Foods

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 | September 5th, 2017

Dear Doctor: Are organic foods better for you than ordinary foods? I say yes because there are no hormones or pesticides involved. My husband says that once you wash your produce carefully, the only difference between an organic peach and a regular one is the price tag.

Dear Reader: Welcome to a long-running and robust debate. Whether organic foods provide health benefits over and above those grown by conventional methods has been under discussion for decades. (And here we're being polite -- both sides of this battle can get pretty worked up.)

Before we wade into the fray, let's take a stab at some definitions. That's actually easier said than done. At its most basic, when something is organically grown, it is understood to have been raised without the use of synthetic pesticides, herbicides or fertilizers; without antibiotics; and with seeds or products that have not been genetically engineered or altered.

Dig a little deeper (sorry) and the word "organic" takes a detour into the legal realm. In order to market their products as organic, farmers must adhere to specific guidelines put forth by the U.S. Department of Agriculture. So to simplify our discussion, let's go with the basic spirit of the word. That is, fruits and vegetables raised without conventional pesticides or synthetic fertilizers, and farm animals raised without the use of hormones, and with access to the outdoors and to pasture.

Are organically raised foods better for your health? Studies say maybe. Will we ever get a definitive answer? Probably not. The challenge is that the topic is so vast as to be virtually unmanageable. Even studies that have broken the question down into discrete parts come up with mixed results.

So what is known for sure?

When you buy organic produce, you're getting fruits and vegetables with measurably less pesticide residue than when you buy the same produce that has been conventionally grown. But before you take a victory lap, conventionally grown produce in the United States generally exceeds the minimum tolerance levels for pesticides set by the Food and Drug Administration.

As to why organic produce has any pesticide residue at all, some have been OK'd for organic farming. Drift from conventional farms, plus lingering DDT in the soil, are believed to account for the rest of the pesticide residue found on organic produce.

Studies show that organically grown produce also has higher levels of antioxidants and lower levels of the heavy metal cadmium than does conventional produce. And when it comes to beef, the FDA's feeding guidelines that call for organic cattle to be raised on grass and alfalfa lead to meat that is higher in omega-3 fatty acids. Increased levels of omega-3's are also found in organic dairy and eggs. On the minus side: Organically produced milk tends to be lower in iodine, an essential nutrient, than conventional milk.

In a paper published this year, researchers did the heavy lifting and systematically examined the published literature on the benefits of organic versus conventional food. Their findings: "It is therefore currently not possible to quantify to what extent organic food consumption may affect human health."

Bottom line: The "organic vs. conventional" battle rages on.

(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

Fruit Juice Not a Suitable Drink for Toddlers

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 | September 4th, 2017

Dear Doctor: Just how bad is it to give kids fruit juice before they turn 1?

Dear Reader: Fruit juice has been touted as "part of a nutritious breakfast" for years. As a child, I was told that juice was good for me, providing me with vitamin C. After all, it was a healthier alternative to sodas, and it tasted good. Today, kids routinely drink cranberry juice, orange juice, grape juice, apple juice and many other juices for those reasons. But now, with the epidemic of obesity and diabetes, adults are starting to think more carefully about the sugar content of fruit juice.

Fruit juice contains four sugars: sucrose, glucose, fructose and sorbitol. All of these, except sorbitol, are easily absorbed by the body and raise blood sugar and insulin levels. In addition, the sugars from juice that are not absorbed can cause bloating, abdominal pain and diarrhea in toddlers.

Another problem with fruit juice is that you easily get all the sugar of a fruit, but without the fiber. Take orange juice, for example. If you were to eat an orange, your hunger might be satiated enough not to eat another, thus limiting your sugar and caloric intake. However, an 8-ounce glass of orange juice might require four oranges. This is true for many other fruits as well. That's a lot of sugar and calories, with all their negative effects.

A recent policy statement from the American Academy of Pediatrics suggests that infants who drink fruit juice may be less likely to eat fruits when they are older, and, further, infants might be replacing milk with juice. Milk, in addition to sugar, has a substantial amount of the protein, fat and vitamins necessary for growth. However, juice has sugar and some vitamins, but no protein or fat. Not convinced? Excessive consumption of juice in children has been associated with malnutrition and short stature. (Note that because water lacks nutrients, it's not recommended for infants younger than 6 months.)

Another worry about the sugar in fruit juice is the effect it has on young teeth, because prolonged exposure to sugar leads to cavities. The risk is heightened when infants are given juice in a bottle or sippy cup, because they can carry the bottle or sippy cup with them -- drinking whenever they want. Both the American Academy of Pediatrics and the American Academy of Pediatric Dentistry recommend that juice be given only in an open cup to minimize how much a child drinks.

I agree that giving juice to children younger than 1 year of age is not healthy for them. But the same holds true for those older than 1. Juice may have some health benefits, but overconsumption will still ultimately lead to a greater risk for obesity, cavities and diabetes. So parents of older children should continue to control their consumption of juice. And, because they're not reliant on liquids for nutrition, teaching them to use water to slake their thirst is a good idea.

We've focused here on drinks that are 100 percent juice. The unhealthy elements of juice become even more pronounced when sugar is added to create a "fruit drink" or a "juice cocktail."

I understand that it's hard for a parent to say no to a crying infant who craves juice or a fruit drink. But doing so is much easier than trying to change entrenched unhealthy habits.

(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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