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  • Title: EFFECT OF ENLARGED ADENOIDS AND TONSILS ON BLOOD OXYGEN SATURATION IN AL BAHA, SAUDI ARABIA.
    Author: Alzahrani R, Soliman S, Al-Ghamdi S, Alzahrani M, Alghamdi A, Alghamdi I, Alghamdi E, Alzahrani M, Alzahrani Y, Fadlalla M, Alghamdi M.
    Journal: Georgian Med News; 2024 Jun; (351):44-48. PubMed ID: 39230219.
    Abstract:
    INTRODUCTION: The adenoids and palatine tonsils, part of the lymphoid tissue, act as a first line of defense protecting the lower airways and gastrointestinal tract. Adenotonsillar hypertrophy in children may lead to airway obstruction. This study aims to demonstrate the association between adenotonsillar hypertrophy and decreased blood oxygen saturation. METHODS: A retrospective cohort study was conducted among children aged 7-12 years with adenotonsillar hypertrophy and obstructive symptoms, admitted to King Fahad Hospital and Prince Mishari Hospital, Saudi Arabia, for tonsillectomy between July 2023 and January 2024. Exclusion criteria included respiratory diseases, cardiac disease, nasal polyps, nasal septum deviation, chest wall abnormality, and lower airway diseases. The control group included 56 healthy children. An otolaryngologist determined the severity of airway obstruction using the tonsil size. Oxygen saturation was measured using pulse oximetry. The determinants of oxygen saturation were assessed using multiple linear regression, with significance set at p<0.05. RESULTS: The study included 357 participants, with an even age distribution between 7-9 years (49.6%) and 10-12 years (50.4%), and 52% males. Diagnoses included adenoid hypertrophy (30%), tonsil hypertrophy (35%), both conditions (19%), and the control group (16%). Tonsil sizes ranged from Grade 1 (48%) to Grade 4 (8.4%), with 17% normal. The median oxygen saturation was 96.0% for the adenotonsillar hypertrophy group and 99.0% for the control. Oxygen saturation levels differed significantly across groups (p<0.0001), with lower median saturation in hypertrophy groups than controls. Males had a lower oxygen than females (estimate: -0.338, 95% CI [--0.640, -0.036], p=0.028). Adenoid hypertrophy (estimate: -3.863, 95% CI [-5.241, -2.484], p<0.001), tonsil hypertrophy (estimate: -3.631, 95% CI [-5.053, -2.208], p<0.001) and having both conditions (estimate: -3.777, 95% CI [-5.3.7, -2.247], p<0.001) was associated with lower oxygen saturation. Grade 1 tonsil size was associated with an increase in oxygen saturation (estimate = 2.905, 95% CI [1.616, 4.194], p<0.001). In contrast, Grade 4 tonsil size was linked to lower oxygen saturation (estimate=-4.848, 95% CI [-6.367, -3.329], p<0.001). Grades 2 and 3 were not significantly associated with changes in oxygen saturation. CONCLUSION: Adenotonsillar hypertrophy is significantly associated with decreased blood oxygen saturation and related cardiopulmonary complications in children. Early adenotonsillectomy may be of benefit in preventing these complications and improving oxygen saturation levels.
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