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The morphometrical evaluation after uvulopalatopharyngoplasty.
Tsutomu Nomura1, Tomomi Horikoshi2, Yuka Kitano2
1Division of Head & Neck Surgery/Otolaryngology, Department of Comprehensive Medical Sciences, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama, 350-0283, Japan. t-nomura@dent.meikai.ac.jp.
Sleep & Breathing = Schlaf & Atmung
|October 4, 2023
Summary
Uvulopalatopharyngoplasty (UPPP) improved obstructive sleep apnea symptoms by widening pharyngeal volume and increasing cross-sectional area. Changes in airway shape, not just volume, are key for symptom improvement.
Area of Science:
- Otolaryngology
- Sleep Medicine
- Medical Imaging
Background:
- Obstructive sleep apnea syndrome (OSAS) significantly impacts patient health, often presenting with snoring and apnea.
- Uvulopalatopharyngoplasty (UPPP) is a surgical intervention aimed at treating OSAS.
Purpose of the Study:
- To assess the effectiveness of UPPP in treating OSAS.
- To analyze the postoperative morphometrical changes in the pharynx following UPPP.
Main Methods:
- 11 patients with OSAS underwent UPPP.
- Pre- and postoperative assessments included CT scans, pharyngeal volume (PV), and cross-sectional area (CSA) measurements.
- Six-category morphometrical analyses were conducted.
Main Results:
- 10 out of 11 patients experienced symptom improvement.
- Postoperative pharyngeal volume (PV) and cross-sectional area (CSA) significantly increased.
- Changes in PV correlated with improvements in the respiratory event index (REI).
Conclusions:
- UPPP leads to pharyngeal widening and increased CSA, contributing to symptom relief.
- Airway shape modification, alongside volume increase, is crucial for effective OSAS treatment post-UPPP.
- The degree of symptom improvement is not solely dependent on pharyngeal volume changes.
