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Initial Proof-of-Concept Study on Immediate Effects of External Advanced Pneumatic Compression on Pharyngeal and
Jessica W Gregor1, Brent Chang1, Nandita Keole2
1Department of Otolaryngology - Head and Neck Surgery, Mayo Clinic, Phoenix, Arizona, USA.
Background:
External and internal head and neck cancer related lymphedema (HNCRL) is a common consequence of radiation treatment (RT). Currently, internal HNCRL can be clinically assessed endoscopically using a visuoperceptual, ordinal rating scale. Use of fluoroscopy to identify and measure internal HNCRL has been explored but is not widely used in clinical practice. Advanced Pneumatic Compression (APC) has shown external HNCRL reduction after a single treatment, whereas internal HNCRL reduction has not yet been assessed.
Methods:
Fluoroscopic lateral scouts and TIMS Review software (TIMS Medical) were used to assess immediate internal HNCRL measures of 30 HNC patients with RT history following a single APC treatment. Pre and post external measures were also obtained. Paired t-test was used to assess changes in pre and post measures. A post-treatment survey was completed.
Results:
All 30 patients had both immediate external and internal HNCRL reductions, and all reductions were statistically significant. All reported positive benefit.
Conclusions:
A single, external APC treatment immediately impacted the extent of pharyngeal and laryngeal edema in post-radiated HNC survivors. Fluoroscopy can be a clinically useful and complementary modality to detect, surveil, and measure internal HNCRL.
