myths and facts about chemobrain - living beyond breast cancer beyond... · 2015-07-30 · myths...
TRANSCRIPT
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Myths and Facts
about
Chemobrain
Arash Asher, MD Director, Cancer Rehabilitation & Survivorship
Cedars-Sinai Medical Center September 17, 2014
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2
• “You have to fight to make yourself remember numbers,
words, places that you go. Sometimes I would leave the
house to go somewhere and I really couldn’t remember
how to get there… it almost made me break down
because of the fact that you think you’re losing your
mind.”
• “What I have to do sometimes is have my son come over
and pay my bills. Can you imagine? It really makes me
feel bad…I’ve been so independent and here I am at 55
years old and I can’t pay my bills. And the money’s
there.”
Perspective from the Patient: “Chemobrain”
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Typical concerns reported by patients with
‘chemobrain’
•Memory lapses
•Difficulty concentrating or
staying focused on a task
•Trouble remembering details
such as names, dates, or
phone numbers
•Difficulty multi-tasking such
as carrying on a conversation
and following a cooking
recipe
•Slower processing speeds
•Difficulty with word retrieval
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Cognitive Domains Affected
•Attention/Concentration
•Verbal memory
•Visual memory
•Visual/Spatial
•Speed of processing information
** Old memories generally NOT impacted
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How Common is “Chemobrain”?
• Not everyone develops cognitive problems
after cancer treatment.
• Up to 75% experience difficulties during
treatment
• Up to 35% have symptoms that persist for
months of years after treatment
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How long does cognitive dysfunction
last after cancer treatment?
•Researchers are not exactly sure
•Most people gradually regain their mental
capacity within 6-9 months
•Best estimate:
About 20% of cancer survivors have long-term cognitive
changes (Ahles and Saykin, Nature, 2007)
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Is Chemobrain Real?
Twin Study: A is patient with breast ca and
B is her identical twin without breast ca. Ferguson et al. JCO 2007
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Trajectories of cognitive change.
Ahles T A et al. JCO 2012;30:3675-3686
©2012 by American Society of Clinical Oncology
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What Causes “Chemobrain”?
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Direct Brain Damage
(Radiation, chemo)
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
Pain
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
Pain
Medication
Side Effects
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
Pain
Medication
Side Effects
Poor Sleep
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Can lack of sleep affect cognition?
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Sleep is needed to clear out the junk
Colored tracers penetrate more deeply into a mouse’s brain when it’s asleep (left, red tracer) than awake (right, green tracer). The finding indicates that channels between brain cells open up during sleep and allow cerebrospinal fluid to wash debris out of the
brain. No evidence that sleeping pills is as effective with this “glymphatic system” as natural sleep
L. Xie et al. Sleep drives metabolite clearance from the adult brain. Science. Vol. 342, October 18, 2013
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Natural Circadian Rhythm
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
Pain
Medication
Side Effects
Poor Sleep Depression &
Anxiety
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
Pain
Medication
Side Effects
Poor Sleep Depression &
Anxiety
Chronic Stress &
Loneliness
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
Pain
Medication
Side Effects
Poor Sleep Depression &
Anxiety
Chronic Stress &
Loneliness
Poor
Nutrition
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Obesity is linked with lower brain volume
•higher BMI was associated with brain volume deficits in
frontal, temporal, parietal, and occipital lobes
Neurobiol Aging. 2010 August ; 31(8): 1326–1339
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Obesity Trends* Among U.S. Adults:
BRFSS, 1985 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. Adults
BRFSS, 1986 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. Adults
BRFSS, 1987 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. Adults
BRFSS, 1988 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. Adults
BRFSS, 1989 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. Adults
BRFSS, 1990 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. Adults
BRFSS, 1991 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14 15%–19%
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Obesity Trends* Among U.S. Adults
BRFSS, 1992 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14 15%–19%
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Obesity Trends* Among U.S. Adults
BRFSS, 1993 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14 15%–19%
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Obesity Trends* Among U.S. Adults
BRFSS, 1994 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
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Obesity Trends* Among U.S. Adults
BRFSS, 1995 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
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Obesity Trends* Among U.S. Adults
BRFSS, 1996 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
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Obesity Trends* Among U.S. Adults
BRFSS, 1997 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14 15%–19% ≥20%
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Obesity Trends* Among U.S. Adults
BRFSS, 1998 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% ≥20%
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Obesity Trends* Among U.S. Adults
BRFSS, 1999 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% ≥20%
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Obesity Trends* Among U.S. Adults
BRFSS, 2000 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% ≥20%
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Obesity Trends* Among U.S. Adults
BRFSS, 2001 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
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(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
Obesity Trends* Among U.S. Adults BRFSS, 2002
No Data <10% 10%–14 15%–19% 20%–24% ≥25%
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Obesity Trends* Among U.S. Adults
BRFSS, 2003 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
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Obesity Trends* Among U.S. Adults
BRFSS, 2004 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
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Obesity Trends* Among U.S. Adults
BRFSS, 2005 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
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Obesity Trends* Among U.S. Adults
BRFSS, 2006 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
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Obesity Trends* Among U.S. Adults
BRFSS, 2007 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
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Obesity Trends* Among U.S. Adults
BRFSS, 2008 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14 15%–19% 20%–24% 25%–29% ≥30%
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Obesity Trends* Among U.S. Adults
BRFSS, 2009 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
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Obesity Trends* Among U.S. Adults
BRFSS, 2010 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
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Dangers of Visceral Fat
•Linked to
Cardiovascular disease
Type II Diabetes
Cognitive impairment!
Some cancers including breast
cancer, colon cancer
Higher mortality rate
•These risks exist even if normal Body
Mass Index
•At menopause, estrogen production
decreases and may contribute to
development of visceral fat
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Practical Omega Recommendations
•If you eat meat, look for grass-fed to avoid the
animal fat
•If you eat seafood, try to consume at least 2
servings of fatty fish each week
•Enjoy eggs.
Whites are pure protein and fat free
Yolks do contain omega-6, cholesteral but also a big
source of choline, zinc, phosphorus, vitamin A/D
•Use olive oil as your main oil
•Eat more fruits, vegetables, and legumes
•Focus on foods that contain omega-3 fatty
acids to balance the omega-6 in our diets
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BAD Fat for our Brains: Trans Fats
•Increase your chance of stroke and
heart attack
•Trans fats: baked goods, snacks such
as potato chips, salad dressings,
margarine, packaged food
Some cities and states banning trans fats in
restaurants!
•FDA now requires disclose trans fats on
labels!
Also called “partially hydrogenated vegetable oil” or
“shortening”
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Mediterranean Diet Linked to Preserving Memory
•19% less likely to develop
problems in thinking and
memory
•Diet:
Omega-3 in diet
Fish
Olive oil
Legumes
UNREFINED cereals
Fruits
Vegetables
Moderate dairy
moderate wine
consumption
Modest amounts of meat
Tsivgoulis G et al., Neurology, 2013
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
Pain
Medication
Side Effects
Poor Sleep Depression &
Anxiety Chronic Stress
Poor
Nutrition
Loss of muscle mass
and inactivity
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Erickson KI, et. al, PNAS, 2010
• Hippocampus shrinks in late adulthood, leading to impaired memory.
• Randomized trial of 120 older adults (no cancer) to exercise and
stretching.
• Also increased levels of BDNF
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The brain can change its own structure and function through thought and activity
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
Pain
Medication
Side Effects
Poor Sleep Depression &
Anxiety
Chronic Stress
& Loneliness
Poor
Nutrition
Loss of muscle mass
and inactivity
Cytokines
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What are Cytokines?
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Seruga B. et al. Cancer. 2008.
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Direct Brain Damage
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, etc)
Pain
Medication
Side Effects
Poor Sleep Depression &
Anxiety Chronic Stress
Poor
Nutrition
Loss of muscle mass
and inactivity
Cytokines
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EMERGING FROM THE HAZE™:
A 6-Week Workshop in Strategies to Combat “Chemobrain”
WEEK 1 – Introduction & Overview
Neuroplasticity: the Brain’s Ability to Change Itself
WEEK 2 - Mood, Automatic Thoughts
Stress Management
Effects of Loneliness on the Brain
WEEK 3 - Cognitive Strategies: Attention
Optimal Exercise for the Brain
WEEK 4 - Cognitive Strategies: Memory
Optimal Sleep for the Brain
WEEK 5 - Cognitive Strategies: Executive Functioning, Coping & Adjustment
Optimal Nutrition for the Brain
WEEK 6 – Coping & Pacing: Putting it all together; Summary & Review
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Other Practical Tips
•Make lists on a notepad; cross off completed items
•Use a planner; mark important appointments on a
calendar
•Organize your surroundings; keep things like keys or
glasses in a designated place
•Eliminate distractions whenever you have a task to
accomplish; have conversations in quiet places
•Don’t multitask; focus on one thing at a time
•Try to note when your ‘chemobrain’ is taking place in
your planner
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Direct CNS Toxicity
(Radiation, chemo)
Genetic
Vulnerability
Hormonal changes
(premature menopause)
Other Medical Problems
(Hypothyroidism, anemia,
COPD, etc.)
Pain
Medication
Side Effects
Poor Sleep Depression &
Anxiety
Chronic Stress
& Loneliness
Poor
Nutrition
Loss of muscle mass
and inactivity
Cytokines
“CHEMO-BRAIN”