Obese obstructive sleep apnea patients with tonsil hypertrophy submitted to tonsillectomy

Area of Science:

• Otolaryngology
• Sleep Medicine
• Obesity Research

Background:

• Obstructive sleep apnea-hypopnea syndrome (OSAHS) is often linked to obesity.
• Obesity complicates upper airway anatomy, challenging surgical treatment success for OSAHS.
• Tonsil hypertrophy is a specific anatomical factor in OSAHS, particularly in obese individuals.

Purpose of the Study:

• To evaluate the efficacy of tonsillectomy in obese patients diagnosed with OSAHS and tonsil hypertrophy.
• To assess the impact of tonsillectomy on apnea-hypopnea index (AHI) and oxygen saturation in this specific patient group.

Main Methods:

• Seven moderately obese OSAHS patients with obstructive palatine tonsil hypertrophy underwent tonsillectomy.
• Pre- and postoperative assessments included body mass index, otorhinolaryngology examination, and polysomnography.
• Key metrics analyzed were AHI and minimum oxyhemoglobin saturation (SaO2 min).

Main Results:

• Tonsillectomy resulted in a significant reduction in average AHI (81/h to 23/h, P=0.0005).
• Average minimum SaO2 significantly improved post-surgery (69% to 83%, P=0.038).
• 86% of patients showed a >50% AHI reduction; 57% achieved AHI <20/h post-procedure.

Conclusions:

• Tonsillectomy is an effective treatment for OSAHS in obese patients with significant tonsil hypertrophy.
• The procedure leads to substantial improvements in AHI and SaO2 min.
• Tonsillectomy can be considered when continuous positive airway pressure (CPAP) is not a viable first-line treatment.