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Continuous Activity Monitoring During Concurrent Chemoradiotherapy
Nitin Ohri1, Rafi Kabarriti1, William R Bodner1
1Department of Radiation Oncology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York.
Summary
Activity monitors can track patient health during cancer treatment. Daily step counts accurately predict hospitalization risk in patients undergoing concurrent chemoradiotherapy.
Area of Science:
- Oncology
- Medical Technology
- Health Informatics
Background:
- Concurrent chemoradiotherapy is a standard treatment for various cancers.
- Monitoring patient health status during treatment is crucial for managing outcomes.
- Objective measures of patient well-being are needed to predict complications.
Purpose of the Study:
- To assess the feasibility and utility of activity monitoring using step counts in patients receiving concurrent chemoradiotherapy.
- To determine if activity data can serve as a measure of health status during treatment.
- To evaluate step counts as a predictor of unplanned hospitalization risk.
Main Methods:
- A prospective trial was conducted with ambulatory patients undergoing concurrent chemoradiotherapy.
- Patients wore activity monitors continuously throughout their radiation therapy course.
- Step count data were collected weekly and post-treatment; feasibility defined as 80% data collection.
Main Results:
- Activity monitoring was feasible, with 94% of step count data collected.
- A significant association was found between daily step counts and hospitalization risk.
- Each 1000 daily steps reduced hospitalization risk by 38% (HR 0.62, P=.002).
Conclusions:
- Continuous activity monitoring is feasible and well-tolerated during concurrent chemoradiotherapy.
- Step counts provide a powerful, objective, and dynamic indicator of hospitalization risk.
- Activity monitoring can enhance patient care by identifying at-risk individuals.
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