PubMed Journal Database | International forum of allergy & rhinology - Page: 3 RSS

19:31 EDT 17th September 2019 | BioPortfolio

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Showing PubMed Articles 51–75 of 299 from International forum of allergy & rhinology

Impact of endoscopic craniofacial resection on simulated nasal airflow and heat transport.

Endoscopic craniofacial resections (CFR) are performed for extensive anterior skull base lesions. This surgery involves removal of multiple intranasal structures, potentially leading to empty nose syndrome (ENS). However, many patients remain asymptomatic postoperatively. Our objective was to analyze the impact of CFR on nasal physiology and airflow using computational fluid dynamics (CFD). This is the first CFD analysis of post-CFR patients.

Pain management in sinonasal surgery: are opioids required?

Comparative study of simulated nebulized and spray particle deposition in chronic rhinosinusitis patients.

Topical intranasal drugs are widely prescribed for chronic rhinosinusitis (CRS), although delivery can vary with device type and droplet size. The study objective was to compare nebulized and sprayed droplet deposition in the paranasal sinuses and ostiomeatal complex (OMC) across multiple droplet sizes in CRS patients using computational fluid dynamics (CFD).

The impact of medical therapy on cognitive dysfunction in chronic rhinosinusitis.

Cognitive dysfunction in chronic rhinosinusitis (CRS) is often overlooked despite potentially broad implications. Earlier work has demonstrated decreased cognitive function in CRS patients at baseline. In this study we sought to prospectively evaluate the impact of initial, appropriate medical therapy on subjective and objective cognitive function, fatigue, and workplace productivity.

Histopathological and hematological changes in recurrent nasal polyposis.

There is a dearth of information regarding the histological and hematological differences between primary and recurrent chronic rhinosinusitis with nasal polyps (CRSwNP). The present study analyzed the histological changes in recurrent CRSwNP in terms of eosinophilic infiltrate, subepithelial edema, goblet cell hyperplasia, and basement membrane thickness. Blood levels of eosinophils and basophils were also measured prior to surgery on both primary and recurrent disease.

Rates of symptomatology are lower in recurrent sinonasal malignancy than in other recurrent cancers of the head and neck: a multi-institutional study.

Sinonasal malignancies are a rare subset of head and neck tumors, and surveillance strategies after definitive tumor treatment are often generalized from those for overall head and neck cancer outcomes data. However, recent literature suggests that the posttreatment period in sinonasal cancer is fundamentally different and a more tailored surveillance approach may be beneficial. Although rates of symptomatology are high in head and neck cancer recurrence and patient-driven follow-up is common, rates of symp...

Protective effects of α-lipoic acid on cultured human nasal fibroblasts exposed to urban particulate matter.

Exposure to urban particulate matter (UPM) has been studied as a cause of various health problems. Although the association between UPM and the respiratory tract has been well studied, further research is required to characterize the effects of UPM on the upper respiratory tract. We investigated the effects of UPM-induced reactive oxygen species (ROS) production on cultured human nasal fibroblasts, as well as the protective effects of α-lipoic acid (ALA) on ROS production and the underlying signaling pathw...

Management of spontaneous cerebrospinal fluid leaks.

Epidemiology and trends of anaphylaxis in the United States, 2004-2016.

No national study has examined the epidemiology of anaphylaxis after introduction of the codes of the International Statistical Classification of Diseases and Health Related Problems, Tenth Revision, Clinical Modification (ICD-10 CM). Our objective was to examine the trends in incidence and hospitalization rates in the United States utilizing ICD-9 and ICD-10 CM codes.

Survivin facilitates T-helper 2-biased inflammation in the airway.

The biased T helper 2 (Th2) responses play a critical role in the pathogenesis of allergy. The underlying mechanism is not fully understood yet. Survivin can regulate multiple cellular activities. This study aims to elucidate the role of survivin in the development and maintenance of Th2 polarization.

Use of intranasal submucosal fillers as a transient implant to alter upper airway aerodynamics: implications for the assessment of empty nose syndrome.

Empty nose syndrome (ENS) is a debilitating condition associated with inferior turbinate tissue loss. Surgical augmentation of the inferior meatus has been proposed to treat ENS, although efficacy data with validated, disease-specific questionnaires is limited. Instead we evaluated submucosal injection of a transient, resorbable filler into the inferior meatus to favorably alter nasal aerodynamics in ENS patients.

Reliability of the supraorbital ethmoid cell vs Keros classification in predicting the course of the anterior ethmoid artery.

We previously showed that the supraorbital ethmoid cell (SOEC) is a reliable landmark for identifying the anterior ethmoid artery (AEA). Recent data have suggested that Keros classification is also a dependable predictor. We aim to characterize the location of the AEA and its relation to the skull base in patients with and without SOEC using the Keros classification.

MP-AzeFlu provides rapid and effective allergic rhinitis control: results of a non-interventional study in Denmark.

Allergic rhinitis (AR) control is a priority in the European Union (EU), and Allergic Rhinitis and its Impact on Asthma (ARIA) has endorsed a visual analogue scale (VAS) as the new language of AR control. This study evaluated the effectiveness of MP-AzeFlu (Dymista®, antihistamine [azelastine], and intranasal corticosteroid [fluticasone propionate]) using a VAS in real-life clinical practice in Denmark.

Herbal dry extract BNO 1011 improves clinical and mucociliary parameters in a rabbit model of chronic rhinosinusitis.

Enhancing chloride (Cl ) secretion in sinus epithelia represents a novel therapeutic approach to chronic rhinosinusitis (CRS). Herbal dry extract BNO 1011 enhances mucociliary clearance (MCC) via upregulation of Cl secretion in sinonasal cultures in vitro and murine epithelium in vivo. The objective of this study is to evaluate whether the BNO 1011 improves MCC and clinical parameters in a rabbit model of CRS.

Correlation between systemic inflammatory response and quality of life in patients with chronic rhinosinusitis.

Local sinonasal inflammation resulting from altered T-cell immune signaling is a contributor to the pathogenesis of chronic rhinosinusitis (CRS). CRS patients experience negative impacts on quality of life (QOL) and suffer from comorbidities linked to systemic inflammation. However, systemic inflammatory profiling to evaluate the association between systemic inflammation and QOL in CRS has not been performed. Our objectives were to compare local and systemic inflammatory gene expression in patients with CRS...

Deadly amoeba infections from nasal and sinus irrigation: how should we discuss with our patients?

Outcomes and imaging findings of respiratory epithelial adenomatoid hamartoma: a systematic review.

Respiratory epithelial adenomatoid hamartoma (REAH) is a recently classified histopathologic diagnosis often identified incidentally following endoscopic sinus surgery (ESS) for presumed chronic rhinosinusitis. Limited data exist defining preoperative imaging features and surgical outcomes. The purpose of this study is to examine characteristic imaging findings of REAH and postoperative olfactory and recurrence outcomes.

Long-term olfaction outcomes in transnasal endoscopic skull-base surgery: a prospective cohort study comparing electrocautery and cold knife upper septal limb incision techniques.

Olfactory nerve fibers are at risk of injury during transnasal endoscopic skull-base approaches. Olfactory outcomes for various techniques have not been thoroughly investigated. This study aims to report long-term olfactory outcomes when a cold knife upper septal limb incision technique is used compared to monopolar cautery.

An analysis of RUC methodology for determining the RVU valuation of sinus surgery.

The Relative Value Scale Update Committee, commonly known as the RUC, is responsible for defining the value of Current Procedural Terminology (CPT) codes. The RUC process uses survey responses reporting operative times to determine procedure reimbursement, but it is limited by low response rates, small sample sizes, and unclear generalizability of the results. By comparing actual reported intraoperative times to the times determined by the RUC process, in this study we sought to assess the performance of RU...

Clinicopathologic traits and prognostic factors associated with pediatric sinonasal rhabdomyosarcoma.

Pediatric sinonasal rhabdomyosarcoma (RMS) is an aggressive and rare malignancy. This is the first multi-institutional study on the prognostic factors associated with outcomes in this population.

Clarithromycin for the treatment of adult chronic rhinosinusitis: a systematic review and meta-analysis.

The aim of this systematic review (SR) was to assess the safety and efficacy of oral clarithromycin for the treatment of chronic rhinosinusitis (CRS).

The intraoperative accuracy of maxillary balloon dilation: a blinded trial.

Balloon sinus dilation (BSD) is a commonly performed sinus procedure in the United States. Several cadaveric studies have evaluated BSD accuracy and the maxillary sinus has consistently been shown to be the most challenging to cannulate. We designed an independent study to evaluate the intraoperative accuracy of maxillary sinus BSD.

Investigating the correlation between mucus cytokine levels, inflammatory cell counts, and baseline quality-of-life measures in chronic rhinosinusitis.

It is hypothesized that uncontrolled inflammation is responsible for many of the manifestations and symptoms of chronic rhinosinusitis (CRS). Although earlier work has demonstrated an association between olfactory loss and mucus cytokines, the impact on other symptoms is unknown. In this study we investigated the relationship between cytokines, inflammatory cell counts, and patient-reported outcomes measures to better understand how the inflammatory microenvironment correlates with CRS symptomatology.

Formation of papillary mucosa folds and enhancement of epithelial barrier in odontogenic sinusitis.

Odontogenic sinusitis (OS) presents more satisfactory therapeutic effect after endoscopic surgery compared with chronic rhinosinusitis (CRS) of other origin. The aim of the present study was to investigate the clinical characteristics, morphological features, and epithelial barrier function of sinus mucosa of OS and discuss the possible relationship with good prognosis.

Broncho-Vaxom® (OM-85 BV) soluble components stimulate sinonasal innate immunity.

Broncho-Vaxom® (OM-85 BV) is an extract of infectious respiratory bacteria that is used as an immunostimulant outside of the United States for the prevention and treatment of bronchitis and rhinosinusitis. Prior studies have shown that use of OM-85 BV is associated with reduction in frequency of respiratory infection and decreased duration of antibiotic usage. However, the effects of OM-85 BV on respiratory mucosal innate immunity are unknown.

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