Exercise Improves Lymphedema Symptoms in Breast Cancer Survivors

Arm lymphedema, or chronic swelling of the arm,lymphedema was reassessed. Of note, all of the
occurs in 10 to 30 percent of women followingwomen who were randomized to the weight training
treatment for breast cancer. When the lymphaticgroup were required to wear custom-fitted
drainage network in the arm has been disrupted bycompression garments when they were lifting
the surgical removal of armpit lymph nodes by theweights.
surgeon, or by radiation therapy to the armpit areaNot surprisingly, the women who participated in
(or, sometimes, following both types of treatment),regular weight training reported significant
the delicate network of lymphatic vessels that returnimprovement in upper and lower body strength
excess tissue fluid back to the heart can becomeduring the course of this research study. Moreover,
obstructed. This lymphatic obstruction can result inat the end of one year, both the patients and a
chronic swelling of the hand and arm. Patients withcertified lymphedema specialist reported a significant
significant lymphedema of the arm following breastdecrease in the severity and frequency of
cancer treatment may experience considerablelymphedema symptoms among the patients who
swelling (edema), heaviness, stiffness and discomfortwere randomized to the weight-lifting group. At the
of the affected hand and arm.same time, twice weekly weightlifting sessions had
Physicians caring for breast cancer patients haveno significant effect on the extent of arm and hand
traditionally advised against heavy lifting followingswelling among these women with chronic
breast cancer surgery, for fear that doing so mightlymphedema.
increase arm lymphedema. However, a newThe results of this clinical study are good news for
prospective randomized clinical research study callsbreast cancer survivors with chronic lymphedema.
into question the traditional advice against vigorousPhysicians who care for such patients should all be
exercise involving the upper extremities, includingmade aware of the results of this research study,
lifting weights as a strengthening exercise.and they should begin encouraging their lymphedema
This new study, which appears in the New Englandpatients to engage in regular weight training
Journal of Medicine, included 141 breast cancer(provided, of course, that there are no health issues
survivors with chronic lymphedema. These womenthat preclude lifting weights). Not only does regular
were divided into two groups, with a "treatment"weight training appear to decrease the severity and
group randomized to twice-weekly progressivefrequency of lymphedema symptoms (based upon
weight training and a "control" group of women whothe findings of this study), but the added health
were randomized to no weight training. All of theadvantages of such training also include increased
women participating in this study were followed forstrength and a decreased risk of osteoporosis as
one year, at the end of which the degree of armwell.