The Evaluation of Eustachian Tube Function and Its Influencing Factors After Snoring Operation in Children

Inclusion Criteria:

① Age 3-14 years old.

② Patients diagnosed as snoring or adenoid hypertrophy in children, tonsil hypertrophy andchronic tonsillitis who are to be treated by adenoidectomy or tonsillectomy ortonsillectomy;

③ Conform to 1. Symptoms: snoring during sleep, breathing with mouth open, some with apnea,restless sleep, and a few children with hearing loss. 2. Fiberoptic nasopharyngoscopyshowed adenoids and/or tonsil hypertrophy. 3. No family history of deafness, no history ofototoxic drugs. 4. No external ear and maxillofacial deformity. 5. The tympanic pressurecurve is "C" or "B". 6. No suppurative medium. Auricular inflammation and tympanic membrane perforation; Adhesive otitis media,cholesteatoma of middle ear.

④ Patients' families cooperated well.

⑤ The patient's guardian volunteered to participate in this study and signed the informedconsent form.

Exclusion Criteria:

• Middle ear catheterization or puncture was performed at the same time;
• Eustachian atresia or cleft lip and palate; There are craniofacial abnormalitiesor neuromuscular diseases;
• Benign and malignant tumors of nose or nasopharynx;
• Other middle ear diseases (suppurative otitis media, tympanic membraneperforation; Adhesive otitis media, middle ear cholesteatoma, etc.); ⑤Those who can't cooperate; ⑥ Previous tonsil and adenoid surgery; ⑦Upper respiratory tract infection in recent two weeks; ⑧ Any othercircumstances that researchers think should be excluded from thisstudy;