Can’t Sleep | Cancer News

Fatigue Affects Breast Cancer Patients Even Before First Chemotherapy Treatment

Apr 25

ScienceDaily (Apr. 27, 2007) — A University of Nebraska Medical Center study has found that even before women with breast cancer undergo chemotherapy, they experience fatigue and disruptions in sleep and activity levels. Researchers say their findings suggest health professionals should address fatigue following breast cancer surgery.

Researchers say controlling fatigue after surgery — before starting chemotherapy — is important because fatigue typically increases during chemotherapy. Between 70 to 95 percent of breast cancer patients experience fatigue while undergoing chemotherapy.

The study was published in the current issue of the Journal of Pain and Symptom Management. Having studied 130 women with early stage breast cancer (stage I, II, IIIA), it the largest study to document the prevalence of fatigue associated with altered sleep and activity patterns before chemotherapy treatment. The data confirms what was reported in a previous smaller study funded by the National Institutes of Health.

“We found women are not going into chemotherapy in the best possible shape,” said Ann Berger, Ph.D., Niedfelt Professor of Nursing, UNMC College of Nursing, who has conducted several studies over the past 15 years related to fatigue in cancer patients. “It makes it that much more difficult to reduce the fatigue during treatment. If you start out with some fatigue, it will probably increase.”

“We as health professionals need to address potential fatigue and sleep issues sooner,” said Dr. Berger, principal investigator of the study. “If women are having sleep problems after surgery, we need to address this symptom before women begin chemotherapy. “What we’ve learned might explain why we’re having problems reducing fatigue in breast cancer patients during chemotherapy.”

The published study comes from initial results of a five-year, $1.5 million grant Dr. Berger and her team received in 2003. The purpose of the study, which was funded by the National Institute of Nursing Research, a division of the National Institutes of Health, was to determine the best ways to reduce fatigue during chemotherapy and to prevent chronic fatigue after treatment.

Researchers measured sleep and activity patterns during the 48 hours prior to the first chemotherapy treatment using wristwatch-sized activity monitors called actigraphs.

Fatigue, the most prevalent and distressing symptom for breast cancer patients receiving chemotherapy, has long been accepted by health professionals and patients alike as a side effect of treatment. Researchers say there are ways to intervene, and now they have found it may be important to intervene during the recovery period after breast cancer surgery.

Researchers say disrupted sleep, low daytime activity and/or reduced activity are likely to contribute to mild fatigue before chemotherapy and moderate to severe fatigue after chemo. They say fatigue should be addressed before and after surgery. Women typically begin chemotherapy three to four weeks after surgery.

Dr. Berger said because inactivity contributes to fatigue, she and colleagues say though women need to rest for several days after surgery, they should try to regain activity when they’re able. “We’ve been telling patients for years to rest and take it easy, but in some cases, we’re finding the patients who remain inactive are the one who report higher fatigue.”

Cancer-related fatigue can have a profound impact on an individual’s life, with significant physical, emotional, social, and economic consequences that may persist for months or years after completing treatment. Even after treatment ends, between 30 and 50 percent of patients say their fatigue remains at least six months or doesn’t ever go away.

Fatigue related to cancer treatment is described as a distressing, persistent, sense of tiredness or exhaustion that is not proportional to activity. The factors associated with fatigue are the presence and severity of anxiety, pain, lower sleep quality, physical inactivity, and poor performance status, leaving little desire to work or socialize.

Dr. Berger said the findings provide an important benchmark to begin looking for interventions to reduce cancer-related fatigue.

The study was undertaken to further establish values for sleep, wake, activity, rest, circadian rhythms and fatigue and how they interrelate in women before and during the first year after chemotherapy.

University Of Nebraska (2007, April 27). Fatigue Affects Breast Cancer Patients Even Before First Chemotherapy Treatment, According To Study. ScienceDaily. Retrieved December 4, 2007, from http://www.sciencedaily.com /releases/2007/04/070426135536.htm

achy muscles, breast cancer, can't sleep, cancer, cancer studies, chemotherapy, fatigue, immune system, insomnia, side effects, sleeping trouble, stress, tired, weak, women 0 Comments

Nervous System Changes

Apr 25

Nervous System Changes

What they are and why they occur

Chemotherapy can cause damage to your nervous system. Many nervous system problems get better within a year of when you finish chemotherapy, but some may last the rest of your life. Symptoms may include:

Tingling, burning, weakness, or numbness in your hands or feet
Feeling colder than normal
Pain when walking
Weak, sore, tired, or achy muscles
Being clumsy and losing your balance
Trouble picking up objects or buttoning your clothes
Shaking or trembling
Hearing loss
Stomach pain, such as constipation or heartburn
Fatigue
Confusion and memory problems
Dizziness
Depression

Ways to manage

Let your doctor or nurse know right away if you notice any nervous system changes. It is important to treat these problems as soon as possible.
Be careful when handling knives, scissors, and other sharp or dangerous objects.
Avoid falling. Walk slowly, hold onto handrails when using the stairs, and put no-slip bath mats in your bathtub or shower. Make sure there are no area rugs or cords to trip over.
Always wear sneakers, tennis shoes, or other footwear with rubber soles.
Check the temperature of your bath water with a thermometer. This will keep you from getting burned by water that is too hot.
Be extra careful to avoid burning or cutting yourself while cooking.
Wear gloves when working in the garden, cooking, or washing dishes.
Rest when you need to.
Steady yourself when you walk by using a cane or other device.
Talk to your doctor or nurse if you notice memory problems, feel confused, or are depressed.
Ask your doctor for pain medicine if you need it.

Let your doctor or nurse know right away if you notice any nervous system changes. It is important to treat these problems as soon as possible.

Forgetfullness, achy muscles, appetite change, arthritis, body temperature, burning, can't sleep, depression, diarrhea, dizzy, drug reaction, faint, fatigue, feet burn, foot pain, hearing loss, insomnia, loss of appetite, memory loss chemo, numb, numbness, pain, rash, sensitive to sun, side effects, skin changes, sleeping trouble, sore, stomach pain, tingling, tired 0 Comments

Chemobrain: When cancer treatment disrupts your thinking and memory

Dec 05

From MayoClinic.com http://www.chemobraininfo.org

For years people undergoing cancer treatment have described their minds as being in a fog — unable to concentrate and remember details about their everyday lives. Doctors and researchers knew something was wrong, but they couldn’t pinpoint what it was.

Research now shows that what these people are experiencing is called mild cognitive impairment — the loss of the ability to remember certain things, learn new skills and complete certain tasks. The cause of mild cognitive impairment during cancer treatment still isn’t clear, nor is it clear how often it happens or what may trigger it. Doctors aren’t sure what they can do about it.

But that doesn’t mean there isn’t any hope. Recognize mild cognitive impairment and its association with cancer treatment, and talk to your doctor about your symptoms or concerns. Taking small steps can help you cope with changes in your memory during treatment.

What is chemobrain?

The terms “chemobrain” and “chemofog” refer to cognitive changes during and after cancer diagnosis and treatment. Though these terms imply a relation to chemotherapy, it isn’t clear that chemotherapy is responsible. Women with breast cancer who underwent chemotherapy were the first group to bring these symptoms to light, as more started mentioning their symptoms to their doctors. It isn’t clear whether chemotherapy, or other factors such as stress and hormonal fluctuations, cause the changes in memory and thinking. What is clear is that some people with cancer do notice increased difficulties with certain mental tasks during and after cancer treatment.

In general, researchers have found that chemotherapy can affect your cognitive abilities in the following ways:

	Word finding. You might find yourself reaching for the right word in conversation.
	Memory. You might experience short-term memory lapses, such as not remembering where you put your keys or what you were supposed to buy at the store.
	Multitasking. Many jobs require you to manage multiple tasks during the day. Multitasking is important at work as well as at home — for example, talking with your kids and making dinner at the same time. Chemotherapy may affect how well you’re able to perform multiple tasks at once.
	Learning. It might take longer to learn new things. For example, you might find you need to read paragraphs over a few times before you get the meaning.
	Processing speed. It might take you longer to do tasks that were once quick and easy for you.

About 20 percent to 30 percent of people undergoing chemotherapy will experience cognitive impairment, though some studies report that at least half the participants had memory problems. One study found 35 percent of women with breast cancer had memory problems before beginning chemotherapy, so it’s not clear how or if memory changes are related to cancer treatment. Signs and symptoms of these memory changes can last for a year or two after your treatment.

Changes in memory during and after treatment may be very subtle. You might notice changes during your everyday tasks and as you start working again after treatment. The memory changes are often so subtle, in fact, that researchers find that people who report having memory difficulties tend to score in the normal ranges on tests of their cognitive ability. That makes it more difficult to understand, diagnose and treat the memory changes.

What causes the memory changes?

Doctors don’t know what causes the cognitive changes associated with chemotherapy. It was previously thought that chemotherapy drugs didn’t enter your brain, but were kept out by the blood-brain barrier, which separates chemicals that should be in your brain from those that shouldn’t. But some researchers now suspect some chemotherapy drugs may be able to slip past the blood-brain barrier. This could potentially affect your brain and your memory.

It isn’t clear which chemotherapy drugs are more likely to cause memory changes or if higher doses pose a bigger risk than do smaller ones. And it isn’t possible to predict who’s more likely to have cognitive impairment after chemotherapy.

A number of factors can cause temporary memory problems in people undergoing chemotherapy — making it difficult to identify the so-called chemobrain from the normal stresses of treatment. Temporary memory problems can, for the most part, be treated. Causes include:

	Low blood counts. If your blood counts are low, you might feel tired, making it difficult to concentrate.
	Stress. Being diagnosed with cancer and starting treatment is stressful. Stress also makes concentrating difficult.
	Medication to treat side effects. Certain medications for treating side effects including nausea and vomiting may cause drowsiness. When you’re tired, it may take longer to complete tasks.
	Lingering depression. Depression is common in people with cancer. If your depression continues after your treatment, you might find it difficult to pay attention.
	Lingering fatigue. Fatigue is a side effect of several types of cancer treatment, including chemotherapy. Your fatigue might end when your cancer treatment ends, though it also can continue after treatment.
	Hormonal changes. Many cancer treatments may alter the normal hormonal balance in your body, causing cognitive changes. Hormonal changes are a side effect of some treatments and, with other treatments, are the intended way to treat your cancer.
	Pain medications. Some pain medications cause drowsiness and difficulty concentrating. For most people, these side effects diminish or disappear once a proper dose of pain medication is established.

Talk to your doctor about your memory problems. If your symptoms are caused by medications or stress, your doctor can treat those symptoms and help get your mind back on track.

How are memory changes treated?

If you have impaired memory, your doctor may first try to rule out other causes of memory problems, such as stress and depression. Currently no medications exist to treat cognitive impairment associated with cancer and its treatment. Researchers are investigating whether medications for such disorders as depression, attention-deficit hyperactivity disorder (ADHD) and dementia could prove effective.

You can help yourself cope with the changes in your memory by taking a few simple steps. You might want to:

	Exercise your body. Aerobic exercise helps your mood and can make you feel more alert. Both can help you when it comes to concentrating.
	Exercise your mind. Give your mind a workout by learning a new skill, such as a new language. Take a class, participate in a book club or try crossword puzzles.
	Track your memory problems. Keep a detailed diary of your memory problems throughout your day. Carry your diary with you and take quick notes on what medications you take and when. Note the time of day your memory problems occur and the situation.
	Target specific problems. Use your daily diary to determine what influences your memory problems. If they tend to crop up in the early afternoon, you may be able to prepare yourself by not scheduling meetings or deadlines at that time of day.
	Take notes. Make a list of everything you need to accomplish today and use it as a guide. Take detailed notes of things you need to remember.
	Start a routine. Put your keys or other commonly misplaced objects in the same place every time you set them down. Try to keep the same schedule every day.
	Talk about your problems. Be open with your friends and family about what you’re experiencing. Let them know your mind is moving a little slower these days and explain how they can help you. This can help you relax and make it easier for you to think and process information.

Find the coping method that’s best for you and stick to it. Talk to your doctor about your concerns. He or she might have some other suggestions.

What other types of cancer treatment might cause cognitive impairment?

Chemotherapy isn’t the only cancer treatment that may cause memory and thinking problems. Other treatments that might affect your brain include:

	Hormone therapy. It isn’t clear whether women undergoing hormone therapy that alters the amount of estrogen in their bodies experience memory problems. Some studies link memory function to the amount of estrogen in the brain. Other studies haven’t found this link.
	Immunotherapy. This experimental therapy stimulates your body’s own defenses to fight your cancer. Treatment with cytokines — a type of protein that causes inflammation in your body — may cause problems with memory, multitasking and processing information.
	Radiation therapy. Radiation to your brain can impair your memory and your motor function, as well as your ability to learn new things and to multitask. Older adults and people receiving high doses of radiation are at a greater risk of memory problems. If you receive both chemotherapy and brain radiation, your risk is also higher.

As research continues, doctors expect to better understand which cancer treatments cause cognitive impairment and what they can do to limit their side effects.

Take note of any memory problems

If you’re currently undergoing cancer treatment or you’ve already been through treatment, take note of any problems you have remembering certain things or concentrating during certain tasks. Talk to your doctor about your signs and symptoms.

If you’ve yet to start your treatment, talk to your doctor about the risks of treatment, including cognitive impairment. Understanding your risks can help you make more informed decisions about your treatment.

October 13, 2006 http://www.chemobraininfo.org

Forgetfullness, breast cancer, can't sleep, chemo brain, chemofog, depression, excercise, fatigue, immune system, infection, low blood count, medication, memory loss chemo, pain, side effects, stress, unable to concentrate 1 Comment