Impact of Chemoradiation on Blood Vessel Changes in Head and Neck Cancer
Author Information
Author(s): Tavassol Frank, Kokemüller Horst, Zimmerer Rüdiger, Gellrich Nils-Claudius, Eckardt André
Primary Institution: Department of Oral and Maxillofacial Surgery, Hannover Medical School, Hanover, Germany
Hypothesis
The study aims to investigate the effects of neoadjuvant chemoradiation and postoperative radiotherapy on HSP70 expression in head and neck vessels.
Conclusion
Chemoradiation increases the thickness of the intima layer in transplant and recipient veins and raises HSP70 expression in the media layer of recipient vessels.
Supporting Evidence
- Chemoradiation led to thickening of the intima layer in both transplant and recipient veins.
- Conventional radiation decreased HSP70 expression in the intima layer of recipient arteries.
- HSP70 expression was increased in the media layer of recipient veins after chemoradiation.
Takeaway
This study found that cancer treatments can change the blood vessels used in surgeries, which might help or hurt the healing process.
Methodology
The study involved 20 patients, with vessel specimens obtained during surgery and analyzed for HSP70 expression using immunohistochemical staining.
Potential Biases
Potential bias due to the small sample size and the specific patient demographics.
Limitations
The sample size is small, which may limit the generalizability of the findings.
Participant Demographics
17 men and 3 women, mean age 55.5 years, with 65% being smokers.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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