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Does chemotherapy harm ability to function for older women with breast cancer?

A recent study published in the Journal of the American Geriatrics Society looked at how the breast cancer and chemotherapy treatments affect a woman’s ability to function and perform daily activities

  • Do you have trouble with strenuous activities, like carrying a heavy shopping bag?
  • Do you have any trouble taking a long walk?
  • Do you have any trouble taking a short walk outside the house?
  • Do you need to stay in bed or in a chair during the day?
  • Do you need help with eating, dressing, washing yourself, or using the toilet?

In their new study, the researchers’ goal was to learn about changes in the participants’ ability to perform daily activities after the participants received chemotherapy. The researchers also wanted to learn more about why some women lost some of their abilities – or experienced a decline – in performing daily activities, and why other women were able to recover the abilities they had before their treatment.

Short-term decline in physical function was common among older adults treated with chemotherapy.

The researchers said that their findings might help identify breast cancer survivors at risk of physical function decline and might shed light on future treatments designed to decrease this risk.

The researchers learned that short-term decline in physical function was common among older adults treated with chemotherapy for breast cancer. In the study, almost half (42%) of the participants experienced a decrease in their ability to function from pre-chemotherapy to the end of treatment. And almost one-third (30%) of the participants experienced a decline in their ability to function from before they started chemotherapy to 12 months later.

Among patients who experienced physical function decline from before chemotherapy to end of chemotherapy, about half (47%) were resilient, meaning they “bounced back” to the activity level they previously had within 12 months after starting chemotherapy treatment.

The impact of treatment on physical function is an important consideration for older adults. Functional decline is associated with loss of independence and increased risks for hospitalization and nursing home placement.

Interestingly, some older adults who experience problems performing their daily activities after cancer treatment are able to bounce back. Also known as “resilience,” this process of recovery is considered vital to successful ageing. Resilient older adults may be more able to recover after a stressful experience like chemotherapy.

Risk factors for functional decline one year after chemotherapy included:

  • Fatigue
  • Having breathing difficulties
  • Being unmarried or lacking social support, such as assistance from family and friends
  • Poor appetite.

“In our study, about half of the patients who experienced functional decline were able to ‘bounce back’ to their former function, and we considered them to be physically resilient,” said the researchers. “We also learned that half of the patients were resistant to decline, and maintained their functional status throughout treatment.”

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