PubMed Journal Database | International forum of allergy & rhinology RSS

03:19 EDT 24th August 2019 | BioPortfolio

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Showing PubMed Articles 1–25 of 294 from International forum of allergy & rhinology

Impact of margin status on survival after surgery for sinonasal squamous cell carcinoma.

Sinonasal squamous cell carcinoma (SNSCC) is the most common malignancy of the paranasal sinuses. Surgery is the mainstay of treatment, yet positive surgical margins (PSM) are common and the prognostic impact on overall survival (OS) is mixed. Given the heterogeneity of impact of PSM on OS within the literature, we hypothesized that extent of tumor extirpation (microscopic PSM vs macroscopic PSM) may play a role in OS.

The effect of olfactory training on odor identification in patients with traumatic anosmia.

This study investigates the effect of olfactory training on odor identification in patients with traumatic anosmia.

A brief version of the questionnaire of olfactory disorders in patients with chronic rhinosinusitis.

The Questionnaire of Olfactory Disorders-Negative Statements (QOD-NS) is a valuable instrument in the measurement of olfactory-specific quality of life (QOL). In the clinical setting, patients can be overwhelmed with the time required to complete questionnaires. Our objective was to develop a brief version of the QOD-NS to streamline clinical care and research.

Are rhinoviruses implicated in the pathogenesis of sinusitis and chronic rhinosinusitis exacerbations? A comprehensive review.

Rhinovirus (RV) infections are the most common cause of viral upper respiratory infections (URIs), and in the majority of persons they are self-limiting. However, in others, viral URIs can progress to bacterial sinusitis and induce chronic rhinosinusitis (CRS) exacerbations.

Prevalence of chronic rhinosinusitis in bronchiectasis patients suspected of ciliary dyskinesia.

Mucociliary clearance is a main defense mechanism of the airway and is impaired in ciliary dyskinesia. The objective of this study was to evaluate the prevalence of chronic rhinosinusitis (CRS) and its characteristics in bronchiectasis patients suspected of harboring ciliary dyskinesia.

Escalation in mucus cystatin 2, pappalysin-A, and periostin levels over time predict need for recurrent surgery in chronic rhinosinusitis with nasal polyps.

Chronic rhinosinusitis with nasal polyps (CRSwNP) is treated using oral/topical steroids and surgery. Despite maximal medical therapy, some patients remain recalcitrant. Mucus cystatin 2, pappalysin-A, and periostin can predict the presence of CRSwNP and correlate with disease severity. This study was designed to determine whether prospective sampling of these mucus proteins could predict medical failure and the need for revision surgery.

Answers to some common rhinologic questions.

Erratum for "Steroid-eluting sinus implant for in-office treatment of recurrent polyposis: a pharmacokinetic study".

Erratum for "Safety and efficacy of a novel bioabsorbable, steroid-eluting sinus stent".

Serum levels of stress hormones in Albanian patients with allergic rhinitis.

The integration of the immune and endocrine systems through a network of signaling molecules-including cytokines and hormones-produces a consequent modulatory effect on immune function. In this study we aimed to comparatively evaluate the serum concentrations of dehydroepiandrosterone sulfate (DHEA-S) and cortisol in patients with allergic rhinitis and healthy control subjects.

Olfactory dysfunction persists after smoking cessation and signals increased cardiovascular risk.

Olfaction plays a critical role in health and function in older adults, and impaired sense of smell is a strong predictor of morbidity and mortality. Smoking cigarettes causes olfactory impairment, but the mechanism of damage and ability to recover after cessation are unknown. We investigated the relationship between time since quitting and olfactory dysfunction in order to elucidate the mechanism(s) by which smoking damages the olfactory system and to inform patient counseling.

Nasal thallium-201 uptake in patients with parosmia with and without hyposmia after upper respiratory tract infection.

In this study, we aimed to determine whether nasal thallium-201 uptake of the olfactory cleft and olfactory bulb (OB) differs between patients with parosmia with and without hyposmia after upper respiratory tract infection (URTI).

Extent of maxillary sinus surgery and its effect on instrument access, irrigation penetration, and disease clearance.

Middle meatal antrostomy (MMA) provides limited access to the anteromedial and inferior aspect of the maxillary sinus (MS) often resulting in residual disease and inflammatory burden. Newer extended procedures, such as mega-antrostomy (Mega-A) and extended modified mega-antrostomy (EMMA), have been developed to address this limitation. This study assesses the effect of varying extent of MS surgery on irrigation penetration and access of instrumentation.

Sinus irrigation penetration after balloon sinuplasty vs functional endoscopic sinus surgery in a cadaveric model.

Nasal irrigation is a cornerstone of treatment for chronic rhinosinusitis. The purpose of this study was to quantify irrigation penetration to the sinuses following balloon sinuplasty and functional endoscopic sinus surgery (FESS).

The efficacy and safety of two commercial house dust mite extracts for allergic rhinitis: a head-to-head study.

Several studies have demonstrated the efficacy of house dust mite (HDM) immunotherapy in allergic rhinitis (AR). We aimed to compare the efficacy and safety of 2 commercial HDM extracts in a Chinese AR population.

Discriminant analysis followed by unsupervised cluster analysis including exosomal cystatins predict presence of chronic rhinosinusitis, phenotype, and disease severity.

Cystatins are epithelial protease inhibitors that participate in sinonasal immunity and inflammation. Nasal mucus-derived exosomes (NMDEs) are small vesicles secreted by epithelial cells that carry protein cargo reflective of their host cell. NMDEs have been used as a noninvasive biomarker source to study chronic rhinosinusitis with nasal polyps (CRSwNP) proteomics with superior sensitivity to whole mucus. The purpose of this study was to noninvasively quantify exosomal cystatins in a heterogenous populatio...

Development and validation of a nomogram for prognosis of sinonasal squamous cell carcinoma.

Sinonasal squamous cell carcinoma (SNSCC) is a rare malignancy with varied outcomes. The aim of this study was to develop a nomogram for predicting survival of patients with SNSCC.

Sinonasal mucoepidermoid carcinoma: a review of the National Cancer Database.

Primary sinonasal mucoepidermoid carcinoma (SN-MEC) is a malignancy arising from seromucinous glands of the nasal cavity and paranasal sinuses. Given its rarity, few large-scale studies have been performed. In this study we describe the incidence and determinants of survival of patients with SN-MEC leveraging the National Cancer Database (NCDB).

Evidence-based medicine in an evolving field.

Differential perception and tolerance of chronic rhinosinusitis symptoms as a confounder of gender-disparate disease burden.

Previous studies have consistently shown that females with chronic rhinosinusitis (CRS) have a greater CRS symptom burden than males with CRS. Our objective was to determine whether differential disease perception could explain this phenomenon.

HLA-II genes are associated with outcomes of specific immunotherapy for allergic rhinitis.

Although the precise mechanisms underlying the efficacy of allergen-specific immunotherapy (AIT) are not clear, some evidence suggests that this may be linked to polymorphisms in HLA-II gene. We aimed to investigate the correlation between HLA-II gene polymorphisms and house dust mite (HDM)-specific immunotherapy efficacy, and evaluate specific polymorphisms as potential biomarkers in allergic rhinitis (AR) patients who would benefit most from AIT.

Adenosine-induced transient hypotension for carotid artery injury during endoscopic skull-base surgery: case report and review of the literature.

As the management of ventral skull-base pathology has transitioned from open to endonasal treatment, there has been an increased focus on the prevention and endoscopic endonasal management of internal carotid artery (ICA) and major vascular injury. The use of adenosine to induce transient hypotension or flow arrest has been previously described during intracranial aneurysm surgery; however, there have been no reports of the technique being used during endonasal skull-base surgery to achieve hemostasis follo...

Transnasal prelacrimal approach to the inferior intraconal space: a feasibility study.

Endonasal access to the inferomedial and inferolateral intraconal space via the orbital floor has not been reported. The primary purpose of this study was to assess the feasibility of accessing the inferior intraconal space through the orbital floor via a transnasal prelacrimal approach. Secondarily, it aims to highlight anatomical relationships of neurovascular structures in this space, as a requirement to prevent complications.

Assessment of bioabsorbable implant treatment for nasal valve collapse compared to a sham group: a randomized control trial.

Dynamic nasal valve collapse (NVC) is a common factor contributing to nasal obstruction; however, it is often underdiagnosed and untreated. An in-office, minimally invasive procedure addressing dynamic NVC uses a bioabsorbable implant (Latera) to support the lateral nasal wall. This study aimed to evaluate the safety and effectiveness of the treatment in a randomized controlled trial (RCT) with sham control.

Role of inferior turbinate reduction in the quality of life of patients undergoing endoscopic sinus surgery for chronic rhinosinusitis.

The impact on quality of life (QoL) of bilateral inferior turbinate reduction (BITR) performed in the setting of endoscopic sinus surgery (ESS) for chronic rhinosinusitis (CRS) has been a point of controversy. The aim of this study was to determine whether addition of BITR to ESS is associated with improved QoL when compared with ESS alone.

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