Results 71 to 80 of about 61,676 (280)

Role of CT Nose Paranasal Sinuses and Nasal Endoscopy for Decision Making in a Case of Deviated Nasal Septum

open access: yesBengal Journal of Otolaryngology and Head Neck Surgery, 2019
Introduction Deviated nasal septum (DNS) can be asymptomatic in an individual or may cause nasal obstruction. The condition is generally diagnosed clinically and based on clinical diagnosis it is managed Surgically by large without much heed to ...
Sayan Hazra   +4 more
doaj   +3 more sources

Evaluating the Effectiveness of Intranasal Estrogen on Nasal Obstruction in Menopausal Women: A Randomized Clinical Trial Study [PDF]

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2023
Background and Objectives: Nasal obstruction is a common complaint in menopausal women. This study was conducted with the aim of investigating the effectiveness of intranasal estrogen on nasal obstruction in menopausal women.
Behrouz Barati   +3 more
doaj  

CFD simulations of turbulent flow in the human upper airways [PDF]

open access: yesarXiv, 2017
In this paper, investigations are conducted using Reynolds-averaged Navier-Stokes (RANS) turbulence models to investigate the importance of turbulence modelling for nasal inspiration at a constant flow rate of 250 ml/s. Four different, standard turbulence models are tested in a model geometry based on pre-operative CT images of a selected obstructive ...
arxiv  

Nanotherapy for Neural Retinal Regeneration

open access: yesAdvanced Science, EarlyView.
Nanotechnology enhances ophthalmic treatments by improving drug delivery and regenerating ocular tissues, combating vision loss from retinal diseases through innovative nano‐systems. This review outlines ocular anatomy, pathology, immune microenvironment, and barriers, detailing nanocarrier characteristics, classification, and preparation methods, and ...
Chuyao Yu   +11 more
wiley   +1 more source

Exploring the impact of adenoid obstruction on the human nasal airflow through parallel computational fluid dynamics

open access: yesEngineering Reports
Adenoid obstruction is a prevalent condition that can significantly alter nasal airflow patterns, leading to various respiratory symptoms. This study aims to explore the influence of adenoid obstruction on human nasal airflow using computational fluid ...
Zhengzheng Yan   +2 more
doaj   +1 more source

PRMT1 Ablation in Endothelial Cells Causes Endothelial Dysfunction and Aggravates COPD Attributable to Dysregulated NF‐κB Signaling

open access: yesAdvanced Science, EarlyView.
This study investigates the role of protein arginine methyltransferase 1 (PRMT1) in endothelial cells (ECs) in chronic obstructive pulmonary disease (COPD). Mice with endothelial‐specific PRMT1 deletion develop pulmonary hemorrhage, inflammation, and apoptosis, driven by excessive nuclear factor kappa B activation.
Thi Thuy Vy Tran   +7 more
wiley   +1 more source

The impact of intranasal fluticasone on patients with obstructive sleep apnea: a prospective study

open access: yesBrazilian Journal of Otorhinolaryngology, 2021
Introduction: Obstructive sleep apnea is the most common type of sleep apnea, which is caused by complete or partial obstructions of the upper airway. Nasal obstruction is also considered as one of the independent risk factors of obstructive sleep apnea.
Yuan-Yun Tam   +3 more
doaj  

Management of Nasal Valve Dysfunction [PDF]

open access: yesClinical and Experimental Otorhinolaryngology
Nasal valve dysfunction can substantially impact nasal airflow and overall quality of life. This review provides a comprehensive examination of nasal valve dysfunction, including its mechanisms, classification, and surgical management.
Dong-Yun Lee, Tae-Bin Won
doaj   +1 more source

Semi-Automated Nasal PAP Mask Sizing using Facial Photographs [PDF]

open access: yes, 2017
We present a semi-automated system for sizing nasal Positive Airway Pressure (PAP) masks based upon a neural network model that was trained with facial photographs of both PAP mask users and non-users. It demonstrated an accuracy of 72% in correctly sizing a mask and 96% accuracy sizing to within 1 mask size group.
arxiv   +1 more source

Delivery of Human iPSC‐Derived RPE Cells in Healthy Minipig Retina Results in Interaction Between Photoreceptors and Transplanted Cells

open access: yesAdvanced Science, EarlyView.
Human induced pluripotent stem cell‐derived retinal pigment epithelial (hiPSC‐RPE) cells, cultured on a clinically relevant PDLLA scaffold, are transplanted into immunosuppressed minipigs. The study demonstrates the viability, integration, and preservation of RPE‐specific features without gliosis or neuroinflammation, supporting their potential as a ...
Anna Macečková Brymová   +27 more
wiley   +1 more source

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