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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. The impact of patients' demographics and clinical characteristics on clinical outcome was measured using mixed effects modeling for univariate and multivariable analysis. Multivariable logistic regression threshold analyses were also performed., Results: Among the 925 patients enrolled in the study, the SNOT-22 was completed after ESS by 641 patients (69.3%) at 1 year and 338 patients (36.5%) at 5 years. The mean preoperative SNOT-22 score of 48.5 (standard error [SE], 0.69) improved at all subsequent yearly time-points, including 5 years (mean, 25.8; SE, 1.08; p < 0.0001). SNOT-22 scores over time were impacted by nasal polyps (p < 0.001), environmental allergies (p = 0.010), diabetes (p = 0.032), and preoperative Lund-Mackay score (p < 0.001)., Conclusion: Endoscopic sinus surgery appears to be effective at improving the quality of life of patients with CRS for both the short and long term. The successful outcome of such surgery, however, is influenced by a variety of clinical factors, which should be taken into account by clinicians who are considering surgical treatment of CRS for select patients., (© 2021 ARS-AAOA, LLC.)

I., Executive Summary: BACKGROUND: The 5 years since the publication of the first International Consensus Statement on Allergy and Rhinology: Rhinosinusitis (ICAR-RS) has witnessed foundational progress in our understanding and treatment of rhinologic disease. These advances are reflected within the more than 40 new topics covered within the ICAR-RS-2021 as well as updates to the original 140 topics. This executive summary consolidates the evidence-based findings of the document., Methods: ICAR-RS presents over 180 topics in the forms of evidence-based reviews with recommendations (EBRRs), evidence-based reviews, and literature reviews. The highest grade structured recommendations of the EBRR sections are summarized in this executive summary., Results: ICAR-RS-2021 covers 22 topics regarding the medical management of RS, which are grade A/B and are presented in the executive summary. Additionally, 4 topics regarding the surgical management of RS are grade A/B and are presented in the executive summary. Finally, a comprehensive evidence-based management algorithm is provided., Conclusion: This ICAR-RS-2021 executive summary provides a compilation of the evidence-based recommendations for medical and surgical treatment of the most common forms of RS., (© 2021 ARS-AAOA, LLC.)

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). Patients' demographics and surgical techniques were assessed., Results: Among the cohort of patients (n = 478) who underwent primary endo-DCR, 10% (n = 48) required revision surgery. Patients who failed primary DCR tended to be younger (p = 0.015) and were less likely to have chronic sinonasal inflammation on histopathology (p = 0.047) than the successful surgery group. After adjusting for patient demographics and comorbidities, the occurrence of a postoperative complication was significantly associated with primary DCR failure (odds ratio [OR], 2.2; p = 0.032). Among the cohort of patients (n = 118) who underwent revision endo-DCR, 8.5% (n = 10) required additional revision surgery. Patients who failed revision DCR tended to be younger (p = 0.022), more likely to have had intraoperative laser usage (p = 0.031), and more likely to have had an intraoperative complication (p = 0.013) than the successful revision surgery group. Endo-DCR failure was not associated with smoking status, middle turbinate resection, or intraoperative visualization of the internal common punctum (p > 0.05)., Conclusion: An understanding of factors associated with primary and revision endo-DCR failure can help to inform preoperative counseling, intraoperative surgical technique, and postoperative care in the treatment of patients with nasolacrimal duct obstruction., (© 2019 ARS-AAOA, LLC.)

Background: Orbital cavernous hemangiomas (OCH) are the most common adult orbital tumor and represent an ideal index lesion for endonasal orbital tumor surgery. In order to standardize outcomes reporting, an anatomic-based staging system was developed., Methods: An international, multidisciplinary panel of 23 experts in orbital tumor surgery was formed. A modified Delphi method was used to develop the cavernous hemangioma exclusively endonasal resection (CHEER) staging system with a total of 2 rounds being completed., Results: Tumors medial to a plane along the long axis of the optic nerve may be considered amenable for an exclusively endonasal resection. In select cases, tumors may extend inferolaterally if the tumor remains below a plane from the contralateral naris through the long axis of the optic nerve (ie, plane of resectability [POR]). This definition reached consensus with 91.3% of panelists in agreement. Five stages were designed based on increasing technical resection difficulty and potential for morbidity. Stages were based on the relationship of the tumor to the extraocular muscles, the inferomedial muscular trunk of the ophthalmic artery (IMT), and orbital foramina. Staging by anatomic location also reached consensus with 87.0% of panelists in agreement. Size was not included in the staging system due to the lack of agreement on the contribution of size to resection difficulty., Conclusion: Endoscopic orbital tumor surgery is a nascent field with a growing, yet heterogeneous, body of literature. The CHEER staging system is designed to facilitate international, high-quality, standardized studies establishing the safety, efficacy, and outcomes of endonasal resection of OCH., (© 2019 ARS-AAOA, LLC.)

Background: The objective of this study was to evaluate the impact of bilateral inferior turbinate reduction (BITR) on patient-reported quality of life (QOL) following endoscopic sinus surgery (ESS) for chronic rhinosinusitis (CRS)., Methods: This was a prospective cohort study. Patients with CRS, who were recruited from 10 different otolaryngologic practices between 2011 and 2014, completed the 22-item Sino-Nasal Outcome Test (SNOT-22), Chronic Sinusitis Survey (CSS), and EuroQol 5 Dimension (EQ-5D) survey at baseline, and at 12, 24, 36, and 48 months after ESS. A total of 113 patients who underwent ESS with BITR were compared to 788 patients who underwent ESS without BITR., Results: Significant demographic and comorbid differences between BITR and non-BITR cohorts included age (41 vs 49 years, p < 0.0001), presence of asthma (19% vs 36%, p < 0.0001), prior sinus surgery (22% vs 53%, p < 0.0001), and concurrent septoplasty (80% vs 53%, p < 0.0001), respectively. On univariate analysis, patients who underwent ESS with or without BITR were found to have statistically significant improvement in disease-specific (SNOT-22 and CSS) and general (EQ-5D) QOL scores at years 1 through 4 (p < 0.05). On multivariate regression, however, the performance of BITR was not associated with any improvements in these outcome measures., Conclusion: Patients undergoing ESS achieve similar long-term improvement in both disease-specific and general QOL regardless of the performance of concurrent BITR., (© 2019 ARS-AAOA, LLC.)

Background: The objective of this work was to evaluate the impact of asthma on the cost-effectiveness profile of endoscopic sinus surgery (ESS) compared to medical therapy for patients with chronic rhinosinusitis with nasal polyps (CRSwNP)., Methods: The study design consisted of a cohort-style Markov decision-tree cost utility analysis with a 35-year time horizon. Matched cohorts of CRSwNP patients with (n = 95) and without (n = 95) asthma who underwent ESS were compared with cohorts of patients from the national Medical Expenditures Survey Panel (MEPS) database who underwent medical management for chronic rhinosinusitis (CRS). Baseline, 1-year, and 2-year health utility values were calculated from responses to the EuroQol-5 Dimension (EQ-5D) instrument in both cohorts. The primary outcome measure was the incremental cost effectiveness ratio (ICER) for each cohort., Results: The reference cases for CRSwNP patients with and without asthma yielded ICERs for ESS vs medical therapy alone of $12,066 per quality-adjusted life year (QALY) and $7,369 per QALY, respectively. At a willingness-to-pay threshold of $50,000/QALY, the ICER scatter plots demonstrated 86% and 99% certainty that the ESS strategy was the most cost-effective option for CRSwNP patients with and without asthma, respectively. ESS was not significantly more cost effective for CRSwNP patients without asthma (p = 0.494)., Conclusion: ESS remains cost effective compared to medical therapy for patients both with and without asthma. While the comorbidity of asthma results in an inferior ICER result, it does not result in a statistically significant negative impact on the overall cost effectiveness of ESS., (© 2017 ARS-AAOA, LLC.)

Background: The purpose of this work was to evaluate the cost-effectiveness of endoscopic sinus surgery (ESS) compared to medical therapy for patients with chronic rhinosinusitis (CRS)., Methods: The study design consisted of a microsimulation Markov decision-tree economic model with a 31-year time horizon. A cohort of 489 patients who underwent ESS for CRS were matched 1 to 1 with a cohort of 489 patients from the national Medical Expenditures Panel Survey database who underwent medical management for CRS. Utility scores were calculated from responses to the EuroQol 5-Dimension instrument in both cohorts. Decision-tree analysis and a subsequent 10-state Markov model utilized published event probabilities as well as primary data from a large multisurgeon prospective outcomes study to calculate long-term costs and utility. The primary outcome measure was incremental cost per quality-adjusted life year (QALY). Multiple sensitivity analyses were performed., Results: The incremental cost-effectiveness ratio (ICER) for ESS vs medical therapy alone was $13,851.26 per QALY. The cost effectiveness acceptability curve demonstrated 85.84% and 98.69% certainty that the ESS strategy was the most cost-effective option at willingness-to-pay thresholds of $25,000 and $50,000 per QALY, respectively., Conclusion: This study shows ESS to be a cost-effective intervention compared to medical therapy alone for the management of patients with CRS., (© 2016 ARS-AAOA, LLC.)

Background: Endoscopic orbital surgery represents the next frontier in endonasal surgery. The current literature is largely composed of small, heterogeneous, case series with little consensus regarding optimal techniques. The purpose of this study was to combine the experience of multiple international centers to create a composite of the global experience on the endoscopic management of a single type of tumor, the orbital cavernous hemangioma (OCH)., Methods: This was a retrospective study of techniques for endoscopic OCH resection from 6 centers on 3 continents. Only primary data from strictly endoscopic resection of OCHs were included. Responses were analyzed to qualitatively identify points of both consensus and variability among the different groups., Results: Data for a total of 23 patients, 10 (43.5%) male and 13 (56.5%) female were collected. The majority of lesions were intraconal (60.9%). The mean ± standard deviation (SD) surgical time was 150.7 ± 75.0 minutes with a mean blood loss of 82.7 ± 49.6 mL. Binarial approaches (26.1%) were used exclusively in the setting of intraconal lesions, which were associated with a higher rate of incomplete resection (31.3%), postoperative diplopia (25.0%), and the need for reconstruction (37.5%) than extraconal lesions. Orthotropia and symmetric orbital appearance were achieved in 60.9% and 78.3% of cases, respectively., Conclusion: Extraconal lesions were managed similarly; however, greater variability was evident for intraconal lesions. These included the laterality and number of hands in the approach, methods of medial rectus retraction, and the need for reconstruction. The increased technical complexity and disparity of techniques in addressing intraconal OCHs suggests that continued research into the optimal management of this subclass of lesions is of significant priority., (© 2015 ARS-AAOA, LLC.)

Background: The body of knowledge regarding rhinosinusitis(RS) continues to expand, with rapid growth in number of publications, yet substantial variability in the quality of those presentations. In an effort to both consolidate and critically appraise this information, rhinologic experts from around the world have produced the International Consensus Statement on Allergy and Rhinology: Rhinosinusitis (ICAR:RS)., Methods: Evidence-based reviews with recommendations(EBRRs) were developed for scores of topics, using previously reported methodology. Where existing evidence was insufficient for an EBRR, an evidence-based review (EBR)was produced. The sections were then synthesized and the entire manuscript was then reviewed by all authors for consensus., Results: The resulting ICAR:RS document addresses multiple topics in RS, including acute RS (ARS), chronic RS (CRS)with and without nasal polyps (CRSwNP and CRSsNP), recurrent acute RS (RARS), acute exacerbation of CRS (AECRS), and pediatric RS., Conclusion: As a critical review of the RS literature, ICAR:RS provides a thorough review of pathophysiology and evidence-based recommendations for medical and surgical treatment. It also demonstrates the significant gaps in our understanding of the pathophysiology and optimal management of RS. Too often the foundation upon which these recommendations are based is comprised of lower level evidence. It is our hope that this summary of the evidence in RS will point out where additional research efforts may be directed., (© 2016 ARS-AAOA, LLC.)

Background: The need for objective assessment of patient outcomes is becoming an essential component of clinical practice for both private and academic otolaryngologists. The purpose of this study is to describe the implementation of an online model for collection of clinical outcomes data in patients with chronic rhinosinusitis (CRS)., Methods: Patients completed the Sinonasal Outcome Test (SNOT-22), Chronic Sinusitis Survey (CSS), and EuroQol 5-dimension assessment (EQ-5D), before and after sinus surgery. One year after initial patient enrollment, an online tool was developed to facilitate collection of postoperative data. Response rates preimplementation and postimplementation of online data collection were compared., Results: A total of 520 sinus surgery patients provided outcomes data from the practices of 7 private practice (n = 308) and 4 academic otolaryngologists (n = 212). With implementation of the online collection instrument, the response rate at 3 months increased from 67% to 78.8% (p = 0.004). The overall follow-up rate at 3 months was higher in patients recruited from private as compared to academic practices (77.9% vs 69.8%, respectively, p = 0.04)., Conclusion: Quality of life data can be effectively collected from CRS patients in both the private and academic practice setting. The addition of an online data collection tool can significantly increase response rates, and allow a comprehensive capture of meaningful clinical outcomes. Such a model is not difficult to implement and has increasing relevance as payers begin to request outcome data from providers., (© 2014 ARS-AAOA, LLC.)

Background: Cavernous hemangiomas are the most common orbital tumors in adults. Traditional orbitotomy approaches to resect these intraconal lesions are associated with patient morbidity due to difficulties with visualization and access in the region of the orbital apex., Methods: In this retrospective chart review and case series, the records of 5 patients who underwent endoscopic resection of orbital hemangiomas by the senior authors (A.F. and R.M.) between 2007 and 2011 were reviewed. Patient demographics, preoperative, and postoperative variables were assessed., Results: All tumors were located in the medial orbital apex. Mean tumor size was 1.7 cm in maximum dimension (range, 1.0-2.7 cm). Proptosis and/or optic neuropathy were present in all cases. Surgeries were performed through an entirely endoscopic transnasal approach. One patient underwent subtotal tumor resection. Proptosis improved by a mean ± standard deviation of 1.75 ± 0.87 mm. The average improvement in visual acuity was 1.8 lines on a Snellen chart (range, 1-4 lines). There were no long-term adverse sequelae., Conclusion: Endoscopic techniques for the treatment of patients with hemangiomas in the posterior medial orbit appear to offer the advantage of enhanced surgical access with reduced patient morbidity compared to conventional orbitotomy approaches., (© 2014 ARS-AAOA, LLC.)