Publications by authors named "George Scangas"

Background: The management of acute exacerbations of chronic rhinosinusitis (AECRS) is understudied and the most cost-effective management of AECRS has not been previously investigated. The aim of this study is to determine the most cost-effective strategy for the initial management of AECRS.

Methods: The study design consisted of a decision-tree economic model comparing three different initial strategies for managing a patient perceived AECRS: observation, upfront rescue medications, or clinic visit with diagnostic nasal endoscopy (DNE).

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The original manufacturer of azelastine‒fluticasone (AZ‒FL) prevented generic availability until 2020 via patent enforcement. Following generic availability of AZ‒FL, Medicare utilization increased and spending decreased. Retail prices for generic AZ‒FL remain high due to markup by manufacturers and pharmacies.

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Objective: Though the endoscopic endonasal approach (EEA) is a widely accepted treatment for skull base tumors, the specific use of EEA for olfactory groove meningiomas (OGMs) is debated, with variable outcomes reported in the literature. We review the surgical results of OGM resections for one surgeon including the operative approach, surgical nuances, and outcomes, with a focus on factors relating to patient selection which favor EEA over transcranial approaches.

Methods: We retrospectively reviewed thirteen cases of endoscopic endonasal resection of olfactory groove meningiomas.

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Objective: The EuroQol 5-Dimension (EQ-5D) is a general health survey that is quick to administer, widely used, and directly convertible to health utility values (HUV). We aim to describe the five-year EQ-5D outcomes among patients who undergo surgical treatment for chronic rhinosinusitis (CRS).

Study Design: Prospective observational cohort study.

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Between 2007 and 2022, the FDA received 119 US-based reports mentioning budesonide nasal irrigation. Most reports were submitted by patients and alerted FDA to off-label usage of budesonide. Notable adverse events reported to the FDA included headache, dyspnea, and blurred vision.

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Article Synopsis
  • The average selling price of omalizumab rose nearly 60% between January 2005 and January 2023.
  • Medicare spending on omalizumab from 2016 to 2021 exceeded $3.7 billion.
  • Utilization of omalizumab within Medicare Part B and D increased by about 30% during the same five-year period.
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Objective: To identify the impact of gender on the clinical outcomes of endoscopic sinus surgery (ESS) through the comparison of quality of life measures in female and male patients who undergo surgical treatment for chronic rhinosinusitis (CRS).

Study Design: Prospective observational cohort study.

Methods: Patients with CRS completed the 22-item Sino-Nasal Outcome Test (SNOT-22) and EuroQol 5-Dimension Survey (EQ-5D) preoperatively and annually for 5 years following ESS.

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Using publicly available Medicare data, we performed a retrospective cross-sectional analysis of separation between otolaryngologists and affiliated medical groups between 2014 and 2021. During this period, the cumulative turnover rate among otolaryngologists was 36.4%, with annual turnover rates ranging between 6.

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Absorbable steroid-eluting sinus implants provide targeted corticosteroid release over a sustained period and are designed to prevent both undesirable adhesion formation and sinus ostia restenosis. Here, we highlight the key evidence of these implants to date and query a group of experts via a Delphi process on the indications and optimal timing for intraoperative or in-office placement of these implants. Six of a total of 12 statements reached consensus and were accepted.

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Article Synopsis
  • A study was conducted to determine how medical management impacts health utility value (HUV) in patients with chronic rhinosinusitis (CRS) who did not have surgery.
  • A total of 115 patients were assessed using the EQ-5D-5L questionnaire, which showed a significant improvement in HUV after 12 months of treatment, with a mean increase of +0.073.
  • However, no significant change in HUV was observed from baseline to 24 months, suggesting that while short-term improvements occur, long-term outcomes may vary, which could help guide future cost-effectiveness studies for CRS treatments.
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In January 2021, the Centers for Medicare & Medicaid Services began requiring hospitals to publish price transparency files listing all prices negotiated with payers. We performed a cross-sectional analysis of payer-negotiated prices for commonly performed outpatient otolaryngology surgery at all hospitals scored by the in otolaryngology. We compared prices among hospitals (across-center ratios) and among payers at the same hospital (within-center ratios).

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Background: Currently, limited data exist as to long-term disease-specific outcomes after endoscopic sinus surgery (ESS) for chronic rhinosinusitis (CRS). In this report, we present outcomes data collected over 5 years in a large prospective cohort of patients who underwent surgical treatment for CRS.

Methods: Patients who completed the 22-item Sino-Nasal Outcome Test (SNOT-22) before ESS were asked to complete the same survey at yearly intervals for 5 years thereafter.

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Objective: Surgical education has undergone major changes in recent years, as hands-on learning opportunities have been replaced or supplemented with online tools. The goal of this project is to examine the educational impact of a surgical training website, SinusVideos.com, on otolaryngologists at various levels of training.

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Objective: Nonabsorbable nasal packing is often placed for the treatment of epistaxis or after sinonasal or skull base surgery. Antibiotics are often prescribed to prevent toxic shock syndrome (TSS), a rare, potentially fatal occurrence. However, the risk of TSS must be balanced against the major risk of antibiotic use, specifically colitis (CDC).

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Background: Endoscopic dacryocystorhinostomy (EN-DCR) is an increasingly common procedure performed by otolaryngologists. While EN-DCR has a high rate of success at relieving blockage of the lacrimal system, little is known regarding associated postoperative infection (POI) rates and risk factors.

Objective: The purpose of this study was to identify factors associated with the occurrence of postoperative orbital and rhinologic infection in a large cohort of patients undergoing EN-DCR.

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Removal of foreign bodies from the infratemporal fossa is surgically challenging and fraught with risks. This report describes our experience with a minimally invasive transoral technique, utilizing endoscopic and image guidance technology, for retrieval of infratemporal fossa foreign bodies in 6 patients. The technique was successfully applied in all cases with identification and retrieval of the foreign bodies, which included 4 hypodermic needles broken off during dental injections, a cottonoid surgical sponge lost during a facial fracture repair, and a maxillary molar displaced during attempted extraction.

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Background: Coronavirus disease 2019 (COVID-19) has significantly impacted endonasal surgery, and recent experimentation has demonstrated that sinonasal drilling and cautery have significant propensity for airborne particulate generation immediately adjacent to the surgical field. In the present investigation, we assessed nasopharyngeal suctioning as a mitigation strategy to decrease particulate spread during simulated endonasal surgical activity.

Methods: Airborne particulate generation in the 1-µm to 10-µm range was quantified with an optical particle sizer in real-time during cadaveric-simulated anterior and posterior endonasal drilling and cautery conditions.

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Objective: In the era of SARS-CoV-2, the risk of infectious airborne aerosol generation during otolaryngologic procedures has been an area of increasing concern. The objective of this investigation was to quantify airborne aerosol production under clinical and surgical conditions and examine efficacy of mask mitigation strategies.

Study Design: Prospective quantification of airborne aerosol generation during surgical and clinical simulation.

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Background: International experience with coronavirus 2019 (COVID-19) suggests it poses a significant risk of infectious transmission to skull base surgeons, due to high nasal viral titers and the unknown potential for aerosol generation during endonasal instrumentation. The purpose of this study was to simulate aerosolization events over a range of endoscopic procedures to obtain an evidence-based aerosol risk assessment.

Methods: Aerosolization was simulated in a cadaver using fluorescein solution (0.

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Objective: Both endoscopic sinus surgery (ESS) and biologic therapies have shown effectiveness for medically-refractory chronic rhinosinusitis with nasal polyps (CRSwNP) without severe asthma. The objective was to evaluate cost-effectiveness of dupilumab versus ESS for patients with CRSwNP.

Study Design: Cohort-style Markov decision-tree economic model with a 36-year time horizon.

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Objective: The primary aim of this study was to describe national variations in sinus balloon dilation (SBD), examine the relationship between endoscopic sinus surgery (ESS) and SBD prevalence patterns, and evaluate associations between reimbursement rates and regional variations in sinus surgery.

Study Design: Retrospective observational study.

Setting: Medicare Provider Utilization and Payment (PUP) Part B Data from January 1, 2016, to December 31, 2016.

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Background: Although endoscopic dacryocystorhinostomy (endo-DCR) is a common treatment of nasolacrimal duct obstruction, little is known about the determinants of surgical success and failure. The purpose of this study was to identify patient- and technique-specific factors that may influence surgical outcomes of primary and revision endo-DCR.

Methods: A retrospective review was conducted of 596 patients who underwent endo-DCR over a 30-year period (1989-2018).

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