Association of sleep duration and noise exposure with hearing loss among Chinese and American adults: two cross-sectional studies.

Objectives: To examine the associations of sleep duration (SPD) and noise exposure with hearing loss (HL) among Chinese and American adults.

Design: Two cross-sectional studies.

Setting: The National Health and Nutrition Examination Survey (2011-2012), and Zhejiang Chinese participants between 1 January 2018 and 1 November 2021.

Paranasal sinus CT and 3 kinds of nasal endoscopic sphenoid sinus surgical approaches: Retrospective analysis of 128 cases.

Even being equipped with advanced surgical navigation systems, thorough analysis of patient's imaging diagnosis before procedures is still of great necessity for the operators. This study aimed to explore the morphological changes of sphenoid sinus lesions as observed on computed tomography (CT), and further carry out the fenestration of sphenoid sinus under guidance of the CT.A retrospective analysis of the characteristics of CT images was performed.