The Study
Effect of Perioperative Physical Activity on Skeletal Muscle Loss 6 Months After Esophageal Cancer Surgery
This study looked at people who had surgery for esophageal cancer and noticed that those who walked less and were older tended to lose more muscle afterward. But it didn’t make anyone walk more — it just watched what happened. So we can’t say walking more will definitely help — only that it’s linked.
Analysis score
Maximum 72 for a cohort study.
Where the score came from
After surgery to remove esophageal cancer, many patients lose muscle — this study looked at why.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 554 / 100
Quality score
Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — losing over 6% of muscle is clinically meaningful and linked to worse recovery and survival.
- 2Patients over 69 lost more muscle.
- 3Those who walked less than 7,800 steps before surgery or less than 2,400 steps in week 3 after surgery also lost more muscle — median loss was 6.2%.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Cancer Diagnosis & Prognosis
Year
2024
Authors
J. Honke, Y. Hiramatsu, Keiko Mori, S. Kawata, Y. Morita, H. Kikuchi, H. Takeuchi
Related Content
Claims (6)
As people get older, they naturally lose muscle and bone mass at a faster rate than when they were younger.
Patients older than 69 who have surgery to remove part of the esophagus due to cancer lose more than seven times as much skeletal muscle six months after surgery as younger patients, even when accounting for their physical activity and nutrition levels.
Patients who take fewer than 7,800 steps per day before esophageal cancer surgery and fewer than 2,400 steps per day during the third week after surgery experience a 6.2% median decrease in skeletal muscle mass six months later, regardless of age or nutritional status.
Patients who take fewer than 2,400 steps per day in the third week after esophageal cancer surgery experience more muscle loss six months later compared to those who take more steps.
Patients who undergo esophagectomy for esophageal cancer lose an average of 6.2% of their skeletal muscle mass within six months, even when receiving standard medical care before and after surgery.
Patients who walk more before esophagectomy surgery tend to walk more after surgery.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.