Effect of Carbon Nanoparticle Tracing on Colorectal Cancer Survival
Author Information
Author(s): Wen Guangxu, Jia Zihao, Wang Yingying, Kang Qingjie, Hu Denghua, Wang Ziwei
Primary Institution: The First Affiliated Hospital of Chongqing Medical University
Hypothesis
Does the preoperative carbon nanoparticle tracing technique improve five-year overall survival and disease-free survival rates in colorectal cancer patients undergoing radical surgery?
Conclusion
The carbon nanoparticle tracing technique increases the number of lymph nodes detected but does not significantly impact five-year overall survival or disease-free survival rates in colorectal cancer patients.
Supporting Evidence
- The number of lymph nodes detected in the CAS group was significantly higher than in the non-CAS group.
- Five-year overall survival rates were 90.8% in the CAS group and 87.4% in the non-CAS group.
- Five-year disease-free survival rates were 88.5% in the CAS group and 83.4% in the non-CAS group.
- Univariate and multivariate analyses identified age, tumor stage, and postoperative treatments as significant factors affecting survival.
Takeaway
Using a special dye before surgery helps doctors find more lymph nodes, but it doesn't really help patients live longer or stay cancer-free for five years.
Methodology
A retrospective cohort study analyzing data from 1,869 colorectal cancer patients who underwent radical resection, comparing those who received carbon nanoparticle tracing with those who did not.
Limitations
The study does not analyze specific tumor stages in detail and lacks data on the degree of lymph node staining.
Participant Demographics
1,869 patients, median age 64 years, 58.2% male, 41.8% female.
Statistical Information
P-Value
p>0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website