[Study on the measurement of glottic proportion in subjects with normal larynx].

The aim of this study is to explore the glottic proportion（GP） and gender difference in Chinese subjects with normal larynx. Two hundred patients with normal larynx in Sixth Medical Center of PLA General Hospital from January 2017 to December 2019 were selected as the experimental group. Group 1 included 100 females and group 2 included 100 males.

Short-term outcome of transcutaneous glucocorticoid injection for laryngeal contact granuloma in females.

Objective: To evaluate the short-term efficacy of transcutaneous glucocorticoid injection for laryngeal contact granuloma in females.

Methods: A total of 14 female patients with laryngeal contact granuloma treated in our outpatient department from November 2017 to January 2020 were included in the study. Inspiratory-phase laryngoscopy images were collected before treatment and 1 month after each injection, and the lesion size was measured and evaluated with ImageJ software.

[Clinical analysis of 46 cases of female laryngeal contact granuloma].

To investigate the clinical characteristics, diagnosis and treatment of female laryngeal contact granuloma. The clinical data of 46 female patients with laryngeal contact granuloma diagnosed and treated by our clinical team from March 2011 to October 2018 were retrospectively analyzed. The age of the 46 patients ranged from 5 to 58 years old, with an average age of 36.

The role of nonacid reflux in laryngopharyngeal reflux diseases.

Objective: To analyze the role of nonacid reflux in laryngopharyngeal reflux diseases (LPRD).

Methods: From January 2014 to April 2019, 344 patients associated with LPRD underwent 24-h multichannel intraluminal impedance-pH monitoring, and their reflux symptom index (RSI) and reflux finding score (RFS) were recorded. The numbers of acid, weakly acidic and alkaline reflux events in the laryngopharynx were counted, and the consistency analysis of the results with the results of the RSI and RFS was conducted.

[Prognostic factors of sudden sensorineural hearing loss in children].

Objective: The aim of this retrospective study was to analyze the recovery rate of sudden sensorineural hearing loss in children, and explore the prognostic factors in order to guide the clinical diagnosis and treatment.

Method: A retrospective review was conducted for the prognosis of children with sudden sensorineural hearing loss during the past 5 years (from November 2010 to May 2015) in Chinese PLA General Hospital. This paper have a complete clinical data of 101 patients (113 ears)with sudden hearing loss, ranging from 0 to 18 years old Patients were divided into four groups according to hearing recovery and eight putative prognostic factors were analyzed.