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Objective: We assessed patterns in the national incidence of pediatric acute sinusitis and associated complications surrounding the initial COVID‐19 lockdown. Study Design: Retrospective National Database review. Setting: The Pediatric Health Information System. Methods: Acute sinusitis and associated complication incidence data from 2015 to 2022 were queried. Three time periods of T1, T2, and T3 were defined as: pre‐COVID‐19 baseline, initial pandemic, and postpandemic. Statistical analysis included Wilcoxon rank sum tests, multivariable logistic regressions, and autoregressive integrated moving averages (ARIMA) to assess differences between the observed complication rates in T2 and T3 and the expected incidence rates in these time periods as estimated from T1 data. Results: We identified 2535 acute sinusitis admissions across 42 centers. The incidence differed between T1 (31.5 cases/month), T2 (15.8 cases/month), and T3 (29 cases/month). Children aged 10 to 14 years had the highest acute sinusitis incidence rate (32.5%) compared to other ages in T2. At T1, acute sinusitis and associated complication rates followed parallel seasonal patterns. Although sinusitis incidence decreased during T2, complications increased significantly during T2 and T3 compared to T1 (37.4% and 39% vs 27.5%, P <.001). In the ARIMA model, the ratio of the observed to expected incidence (95% confidence interval) of complications was 1.09 (0.69, 2.60) in T2 and 1.14 (0.73, 2.62) in T3. Conclusion: We report the simultaneous decrease in acute sinusitis incidence and an increase in associated complications during and after the initial COVID‐19 pandemic compared to the prepandemic baseline, reflecting changing patterns in viral infection due to the pandemic. [ABSTRACT FROM AUTHOR]

BACKGROUND Orbital abscess is a severe infectious condition of the eye that can result in significant complications, including vision loss or fatality. Timely and accurate diagnosis and treatment of this condition are crucial. CASE REPORT A 45-year-old man with exophthalmos, diplopia, and decreased vision was admitted to our hospital. He had a history of chronic sinusitis. Ultrasonography showed a dark fluid area above the superior rectus muscle of the right eye, measuring approximately 5.7 ml. Orbital MRI revealed short T1 and long T2 signal shadows outside the upper muscle cone of the right orbit, with a size of about 13.2 ml. The right eyeball was compressed and moved forward, and the superior rectus muscle was also compressed. Long T2 signal shadows were observed in the right frontal sinus, maxillary sinus, and bilateral ethmoid sinuses, leading to a diagnosis of orbital subperiosteal abscess and sinusitis. We performed a fine-needle puncture and injection of antibiotics into the abscess cavity using a 5-ml syringe under the guidance of B-ultrasound. On the 7th day after surgery, the patient showed clinical improvement with decreased symptoms. His visual acuity improved from 20/40 to 20/20, and diplopia resolved. His sinusitis was treated with medication, and no recurrence of ocular symptoms was observed during the 3-year follow-up. CONCLUSIONS This report highlights the use of ultrasound-guided fine-needle puncture and injection of antibiotics into the abscess cavity for the treatment of an upper-quadrant orbital subperiosteal abscess. Timely surgical drainage and effective antibiotic therapy can help reduce the complications associated with orbital abscesses.

Importance: Chronic rhinosinusitis (CRS) has been associated with anxiety and depression, but the association of socioeconomic factors and temporality has yet to be fully explored., Objective: To determine the bidirectional risk of anxiety and depression for patients with CRS., Design, Setting, and Participants: This retrospective cohort study of the National Institutes of Health All of Us database from January 1, 2008, to December 31, 2018, included 2 cohorts of adult patients with and without CRS. The data were analyzed from July 1, 2023, through April 1, 2024. Patients were classified as having CRS if they had at least 2 diagnoses during the study period. Those with a diagnosis of CRS before the study period were excluded. Patients were propensity score matched (1:5) with patients without CRS for age, sex, race, and annual household income., Main Outcomes and Measures: The primary outcome was the development of anxiety and depression. Patients with CRS were counted as having the primary outcome if it occurred after the criteria for CRS diagnosis were fulfilled. Multivariate logistic regression and survival analysis were performed to determine the odds ratios (ORs) and hazard ratios (HRs) of anxiety and depression. A secondary survival analysis determined the risk of developing CRS between patients with anxiety and depression and controls., Results: Among 33 732 patients (23 382 [69.3%] female individuals; 510 [1.5%] Asian, 6002 [17.9%] Black or African American, 576 [1.7%] multiracial, and 26 036 [77.2%] White individuals), there were 28 110 controls and 5622 patients with CRS. Along with higher odds of having anxiety (OR, 4.39; 95% CI, 3.95-4.87) and depression (OR, 2.04; 95% CI, 1.86-2.24), patients with CRS were at an increased risk of developing anxiety (HR, 2.79; 95% CI, 2.47-3.15) and depression (HR, 1.40; 95% CI, 1.27-1.55) compared with controls. Additionally, patients with anxiety (HR, 2.37; 95% CI, 2.18-2.57) and depression (HR, 1.59; 95% CI, 1.46-1.72) were at an increased risk of developing chronic rhinosinusitis compared with controls., Conclusions and Relevance: In this population-based cohort study of adults with and without CRS, a bidirectional association between common psychiatric disorders and CRS was observed. Physicians and health care clinicians who treat patients with anxiety, depression, and CRS should be vigilant regarding these risks and screen patients appropriately.

Purpose: Antibody therapy for chronic rhinosinusitis with nasal polyps (CRSwNP) has been established in Germany since 2019. With limited long-term data on biologic treatment for CRSwNP, we conducted a comprehensive evaluation of our 4-year data. This monocentric study aims to assess the real-world effects of this treatment on clinical course, quality of life, treatment adherence, biologic switching, dual therapy, and comorbidities., Methods: We retrospectively analysed biologic therapy data in patients with severe chronic rhinosinusitis with nasal polyps. 191 patients with CRSwNP treated with Dupilumab, Mepolizumab, or Omalizumab were observed for up to 4 years in a real-life setting., Results: We observed clear symptom improvements with few side effects. No loss of efficacy or tolerability was noted during the 4-year period. Patients reported high satisfaction compared to previous therapies, with overall improved quality of life. Revision surgery or oral steroid use during biologic therapy was rare. Some patients prolonged injection intervals or discontinued steroid nasal spray. Biologic switching occurred infrequently due to side effects or inadequate response and was generally well tolerated. Many patients reported additional positive effects such as asthma or allergy symptom improvement and reduced medication intake., Conclusion: In summary, this study confirms the potency and tolerability of biologics for CRSwNP treatment, with sustained efficacy over 4 years. Biologic switching is a viable option for inadequate response or intolerable side effects. Therapy positively impacts Th2 comorbidities, corticosteroid requirements, surgery need, and overall compliance remains high., Clinical Trial Registration: Project No.: 22-0802. Registry name: Biologika bei Patient*innen mit chronischer Sinusitis mit Nasenpolypen., (© 2024. The Author(s).)

Background: Sinogenic orbital complications in children are relatively rare but critical conditions that require accurate diagnosis and timely appropriate treatment to prevent severe sequelae., Objective: This article concentrates on clinical, diagnostic, and therapeutic specifics of sinogenic orbital complications in children., Materials and Methods: The work is based on a literature review (PubMed, Google Scholar) and own experience as well as data from the authors' own pediatric population., Results: In children, sinogenic orbital complications are usually secondary due to acute bacterial sinusitis. Correct distinction between pre- and postseptal cellulitis is of utmost importance for correct diagnostic and therapeutic management in order to prevent long-term sequelae. Preseptal cellulitis can be treated conservatively. If there are signs of postseptal involvement, prompt cross sectional imaging will be required. Depending on the severity of the postseptal involvement, surgical treatment may be necessary., Conclusion: Recent literature debates three main issues: 1) developing models for different combinations of symptoms that reliably distinguish between pre- and postseptal cellulitis; 2) selection of appropriate cross-sectional imaging (MRI vs. CT); and 3) indications for surgery. All three issues will be discussed in detail in this article., (© 2024. The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature.)

Objective: Evaluating the possibility of predicting chronic rhinosinusitis with nasal polyps (CRSwNP) disease course using Artificial Intelligence., Methods: We prospectively included patients undergoing first endoscopic sinus surgery (ESS) for nasal polyposis. Preoperative (demographic data, blood eosinophiles, endoscopy, Lund-Mackay, SNOT-22 and depression PHQ scores) and follow-up data was standardly collected. Outcome measures included SNOT-22, PHQ-9 and endoscopy perioperative sinus endoscopy (POSE) scores and two different microRNAs (miR-125b, miR-203a-3p) from polyp tissue. Based on POSE score, three labels were created (controlled: 0-7; partial control: 8-15; or relapse: 16-32). Patients were divided into train and test groups and using Random Forest, we developed algorithms for predicting ESS related outcomes., Results: Based on data collected from 85 patients, the proposed Machine Learning-approach predicted whether the patient would present control, partial control or relapse of nasal polyposis at 18 months following ESS. The algorithm predicted ESS outcomes with an accuracy between 69.23% (for non-invasive input parameters) and 84.62% (when microRNAs were also included). Additionally, miR-125b significantly improved the algorithm's accuracy and ranked as one of the most important algorithm variables., Conclusion: We propose a Machine Learning algorithm which could change the prediction of disease course in CRSwNP., (© 2024 The Author(s). Clinical Otolaryngology published by John Wiley & Sons Ltd.)

Background: Chronic rhinosinusitis with nasal polyps (CRSwNP) is a prevalent chronic inflammatory condition affecting the nose and paranasal sinuses, posing a significant socio-economic impact with substantial challenges in management. Biologics targeting type 2 inflammation such as dupilumab, have emerged as promising options. This study addresses a critical knowledge gap by comprehensively evaluating the 3-year impact of sustained dupilumab therapy in CRSwNP., Methods: A multicentric, retrospective collection of real-world data from five tertiary referral centers in Germany was conducted, enrolling 150 adult patients. The study investigated patient-reported outcomes, disease-specific indices and clinical measures, focusing on therapeutic response persistence, adverse events, and factors influencing treatment continuity., Results: Results indicate significant improvements in clinical parameters from baseline (n = 150) with sustained effectiveness after 36 months (n = 138) as indicated in mean score ± standard deviation. Dupilumab treatment significantly improved overall disease-related impairment (VAS score: 7.5 ± 2.5 to 1.6 ± 1.3) and rhinosinusitis symptoms (SNOT-22: 59.4 ± 19.4 to 18.0 ± 15.0). Nasal Polyp Scores (NPS) decreased (5.3 ± 1.8 to 0.7 ± 1.1), and olfactory function improved (3.2 ± 2.5 to 8.4 ± 2.8), with three out of four patients achieving normosmia or hyposmia after 36 months. An "Excellent" treatment response according to EUFOREA23 criteria was observed in 76.5% of patients after 36 months. Sixteen patients discontinued Dupilumab, 12 permanently. Adverse events totaled 69 in 48 patients, commonly self-limiting., Conclusion: The study highlights the enduring effectiveness and lack of habituation to dupilumab after a sustained therapy of 3 years, providing valuable insights into its long-term therapeutic implications for CRSwNP patients., (© 2024 The Author(s). Allergy published by European Academy of Allergy and Clinical Immunology and John Wiley & Sons Ltd.)

Purpose: To analyze recurrence patterns of chronic sinusitis with nasal polyposis (CRSwNP) in patients who underwent complete FESS and identify predisposing factors for different patterns of recurrence., Methods: Retrospective analysis of patients with CRSwNP who underwent complete FESS at our tertiary medical center. Recurrence patterns were classified into edema, polyp and normal endoscopy, as well as into early (within 6 months) and late recurrence. Statistical analysis to identify risk factors for recurrence included univariate, multivariate logistic regression and cox regression models., Results: 114 patients were included with an average follow-up of 27 months. 91% were categorized as type-2 inflammation. Recurrence was observed in 65.8% of patients within a mean of 12.9 months. 46.7% had polyp recurrence while 53.3% had edema recurrence. Early recurrence was observed in 41%. Serum eosinophilia > 500 cells/uL was found to be significantly associated with recurrence (RR = 1.62, p-value = 0.046), and particularly with polyp recurrence (RR = 3.9, p-value = 0.001). No predictive factors for early recurrence were identified. Edema recurrence was managed with intranasal corticosteroids while polyp recurrence required systemic therapy including biologic therapy., Conclusions: In this study, two thirds of patients experienced post operative recurrence, either mucosal edema or nasal polyps, with similar frequency during an average follow up of over 2 years. Early recurrence was noted in 41% of recurrent cases. Serum eosinophils > 500 cells/uL was the only risk factor for recurrence on multivariate analysis, more accurate markers are needed for improved treatment allocation to CRSwNP patients., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Objective: The aim of this study is to investigate the impact of septal perforation (SP) on quality of life (QoL). SP is compared to the general population and patients with chronic rhinosinusitis with nasal polyposis (CRSwNP) using the Sino-Nasal Outcome Test 22 (SNOT-22)., Methods: Prospective single-center study in a referral Rhinology Unit from January 2014 to March 2023., Results: A total of 392 patients were included in three groups: controls (n = 141), CRSwNP (n = 118), and SP (n = 133). The mean score of the SNOT-22 was significantly higher in the CRSwNP group (42.4, SD = 24.4) and SP (46.5, SD = 22) compared to the control group (6.2, SD = 8.4). Scores by either items or domains were significantly higher in the CRSwNP and SP groups compared to the control group. There were no significant differences in the mean SNOT-22 between the CRSwNP and SP groups (p = 0.26; 95% CI -1.68-9.99). Domain-specific analysis of overall SNOT-22 scores revealed that patients with SP experienced higher levels of disturbances in sleep, function, and psychological domains (p ≤ 0.001)., Conclusion: SP produces a negative impact on QoL similar to CRSwNP. Moreover, sleep, psychological, and function domains are significantly worse in SP. Etiology and area of SP influence nasal and emotion domain, though more studies on SP using SNOT-22 and specific questionnaires are needed., Level of Evidence: 3 Laryngoscope, 134:4480-4487, 2024., (© 2024 The American Laryngological, Rhinological and Otological Society, Inc.)

Objectives: Air quality has been shown to impact the rates of fungal infection of the airway, causing diseases such as acute invasive fungal rhinosinusitis (AIFRS), particularly in immunocompromised patients. We theorize that patients with hematologic malignancies in units with aging air handling units (AHUs) have a higher attack rate of AIFRS., Methods: Retrospective chart review identified patients with hematologic malignancy and AIFRS in two distinct and equal time periods between 2013 and 2022, representing the presence of aging AHUs and new AHUs, respectively. Cubic feet per minute (CFM) air flows, AIFRS attack rates, and clinical data were compared between the two groups and statistical analyses performed., Results: The older AHUs produce air flow of 27,610 CFM and the newer AHUs produce air flow of 80,000 CFM. There were 18 patients with air supplied by older AHUs and 7 patients with air supplied by new AHUs who developed AIFRS. There was a significantly higher AIFRS attack rate for patients supplied by the older AHUs compared with patients supplied by newer AHUs (p = 0.033). The patients supplied by the older AHUs tended to be younger. The white blood cell counts, absolute neutrophil counts, and the mean time to diagnosis did not differ between the two groups., Conclusions: To our knowledge, this is the first study to examine AIFRS in immunocompromised patients' inpatient environment. Further research should explore whether higher CFM AHUs can decrease this disease among our most vulnerable patients., Level of Evidence: 3 Laryngoscope, 134:4466-4470, 2024., (© 2024 The American Laryngological, Rhinological and Otological Society, Inc.)

Background: Dupilumab exerts clinical effects, including improved sinus opacification, olfactory function, and quality of life, in patients with severe chronic rhinosinusitis with nasal polyps (CRSwNPs). Meanwhile, only a few studies have reported its effects on nasal airway resistance and olfactory function, particularly in the Japanese population. Predictors of response remain unclear., Objective: To assess the comprehensive efficacy and therapeutic response to dupilumab in patients with severe CRSwNP with comorbid asthma., Methods: In 16 adult patients with severe CRSwNP with comorbid asthma, the efficacy of 48-week dupilumab treatment, including olfactory function measured by a T&T olfactometer, nasal airway resistance measured by rhinomanometry, nasal polyp score, Lund-Mackay computed tomography score, and 22-item Sinonasal Outcome Test (SNOT-22), was assessed. Regarding asthma, the annualized rate of exacerbations, 7-item Asthma Control Questionnaire (ACQ-7), and spirometry were assessed. Treatment responsiveness was analyzed., Results: With 48-week dupilumab treatment, olfactory function, nasal airway resistance, nasal polyp score, Lund-Mackay computed tomography score, and SNOT-22 scores improved significantly. Regarding comorbid asthma, the annualized rate of exacerbations decreased, and ACQ-7 scores and lung function improved significantly. According to the European Position Paper on Rhinosinusitis and Nasal Polyps 2020/European Forum for Research and Education in Allergy and Airway Diseases criteria, 15 patients (94%) were moderate-to-excellent responders at 48 weeks of treatment. Patients with higher SNOT-22 scores, ACQ-7 scores, the rate of asthma exacerbations in the previous year, and blood eosinophil counts benefited more from the treatment., Conclusion: Dupilumab improved upper and lower airway outcomes especially in patients with severe CRSwNP with comorbid, poorly controlled asthma., Trial Registration: UMIN Clinical Trials Registry: UMIN000038669., Competing Interests: Disclosures The authors have no conflicts of interest to report., (Copyright © 2024 American College of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.)

Objectives: The incidence of odontogenic sinusitis has been gradually increasing due to the recent increases in invasive dental procedures. This study aimed to describe the clinical features of present patients with odontogenic sinusitis compared to the past, confirm the importance of endoscopic sinus surgery (ESS), and analyze the predictive factors for ESS., Methods: This retrospective review included all patients diagnosed with odontogenic sinusitis between January 2010 and December 2011 and between January 2019 and December 2020. The patients were classified into 2 groups (past and present) depending on the time of the first visit. The clinical characteristics and treatment modalities were compared between the two groups. In addition, among patients in the present group, we analyzed variables to identify factors contributing to the risk of undergoing ESS., Results: This study included 56 patients (23 in the past group and 33 in the present group). Compared to the past group, the present group had an older mean age ( P = .001) and significantly increased iatrogenic etiologies (52.1% vs 90.9%; P = .002). The proportion of patients treated with ESS also increased in the present group compared to that in the past group (39.1% vs 66.7%; P = .041). In the present group, 11 patients (33.3%) were cured with conservative treatment, while 22 patients (66.7%) underwent additional ESS. Multivariate analysis revealed that the Lund-Mackay score was the only significant predictor of ESS (odds ratio [OR]: 14.901, P = .035)., Conclusion: The incidence of odontogenic sinusitis with iatrogenic etiologies has increased compared to the past. In addition, two-thirds of the patients in the present study underwent ESS, a significantly higher proportion than in the past. Therefore, ESS is one of the most important treatment modalities for odontogenic sinusitis, especially iatrogenic, in recent years. A severe Lund-Mackay score was associated with a significantly increased risk of ESS., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

To investigate disparities in sensitisation to Staphylococcus aureus enterotoxin A/B (SEA/SEB) and olfactory function in patients with chronic rhinosinusitis (CRS) with nasal polyps (CRSwNP), those with CRS without nasal polyps (CRSsNP), and healthy controls who underwent septoplasty only. We retrospectively reviewed the medical records of 388 subjects aged ≥ 8 years, collected between January 2021 and June 2023. We analysed patient demographics, medical history, serum IgE levels against staphylococcal enterotoxins (SEs), and serum total IgE levels against inhalant allergens. We performed olfactory and taste function tests in the participants to evaluate the relationship between olfactory function and SEs. Of 388 patients enrolled, 145 were healthy controls, 111 had CRSsNP, and 133 had CRSwNP. The prevalence of SEA/SEB positivity was significantly higher among the patients with CRSwNP than among those in the CRSsNP and healthy controls. The olfactory test results showed significant differences among the groups; anosmia was observed in 9.7% of healthy controls, 22.7% of patients with CRSsNP, and 45.1% of patients with CRSwNP. Olfactory threshold deterioration was evident in patients with CRS. Distinction and identification were more impaired in patients with CRSwNP than in those of the other groups. Finally, the olfactory function scores decreased as the serum levels of SEs increased. Sinusitis patients seem to suffer from perceiving odours, and patients with CRSwNP have difficulty distinguishing odours. Olfactory function test scores decreased in patients with a history of asthma, and as serum levels of staphylococcus enterotoxin and blood eosinophil percentage increase. Furthermore, our result suggests a potential role for SE sensitisation and eosinophil percentage in deteriorating olfaction, especially in patients with CRSwNP., (© 2024. The Author(s).)

Background: Anti-IL-4 receptor α antibody (dupilumab) has demonstrated favorable sinonasal outcomes for chronic rhinosinusitis with nasal polyps (CRSwNP), which is mainly caused by type 2 inflammation. Although increased blood eosinophil levels and injection site symptoms are frequently observed as acute adverse events (AEs) of dupilumab, limited knowledge is available regarding the late AEs of dupilumab for CRSwNP., Objectives: We investigated the late AEs following the initiation of dupilumab treatment for CRSwNP., Material and Methods: Fifty-one patients with CRSwNP treated with dupilumab for > 3 months were enrolled, and their clinical data were collected from their medical records., Results: Six (11.8%) patients experienced late AEs. One case of eczema with pruritus, one case of psoriasis-like dermatitis, two cases of severe rash, one case of malignant lymphoma, and one case of alopecia areata were observed. Skin disorders were the most common late AEs in this study. It is a Th1-inflammatory disease, and its mechanism is thought to be due to the immune imbalance caused by dupilumab. We could not confirm whether malignant lymphoma in our case was caused by dupilumab use., Conclusions and Significance: Skin disorders are often late AEs associated with dupilumab; therefore, careful monitoring after dupilumab initiation should be considered.

Objective: Intracranial complications of pediatric sinusitis are uncommon but are often associated with significant morbidity, especially when appropriate care is delayed. The present study aimed to identify commonalities for the development and progression of these complications in the pediatric population., Data Sources: CENTRAL, CINAHL, Citation searching, ClinicalTrials.gov, Embase, Google Scholar, MEDLINE, PsycINFO, PubMed, Scopus, Web of Science, and World Health Organization., Review Methods: A comprehensive literature search was performed using Preferred Reporting Items for Systematic Reviews and Meta-analyses scoping review guidelines. Studies describing intracranial infections secondary to sinusitis in the pediatric population (age <18 years) were included. Studies in which adult and pediatric data were not separated and studies in which the pediatric cohort was fewer than 10 cases were excluded. Ultimately, 33 studies describing 1149 unique patient cases were included for data collection and analysis., Results: Our analysis revealed intracranial complications were more common in adolescent males. Most children presented with over 1 week of vague symptoms, such as headache and fever. The majority of complications were diagnosed radiographically with computed tomography. Subdural empyema and epidural abscess were the most common intracranial complications reported. On average, patients were admitted for over 2 weeks. Most children were treated with a combination of antibiotics and surgical intervention. Complications were rare, but when present, were often associated with significant morbidity., Conclusion: This scoping review of the available literature has provided insight into commonalities among pediatric patients who develop intracranial complications of sinusitis, providing a foundation for further study to inform medical and surgical decision-making in this population., (© 2024 American Academy of Otolaryngology–Head and Neck Surgery Foundation.)

Background: The objective of this study was to identify how - and to what extent - overall symptom severity (OSS) score reflects individual chronic rhinosinusitis (CRS) symptoms and whether it can be measured using alternatives to the standard visual analog scale (VAS)., Methods: CRS patients from four sites across three continents rated their OSS scores, severities of nasal obstruction, nasal drainage, decreased sense of smell, facial pain/pressure and sleep disturbance using a standard VAS, VAS with labeled tick marks at every 1 centimeter, and by writing down their OSS on a scale of 0 - 100 (which was divided by 10), all of which lead to severity scores ranging from 0 - 10 in 0.1 intervals. Quality of life was measured using the SNOT-22 and EQ-5D VAS., Results: In 311 CRS patients, OSS score was significantly correlated with SNOT-22 and EQ-5D VAS. OSS score was most greatly associated with the mean of all individual symptom severity scores. From individual CRS symptoms, OSS was most greatly associated with nasal obstruction followed by nasal drainage and facial pain/pressure severities. These results held true for participants with and without nasal polyps. Measurement of OSS and individual symptom severity scores using a standard VAS, tick-marked VAS, and write-in option had near-perfect consistency., Conclusions: We demonstrate for the first time that OSS largely reflects the mean of individual CRS symptom severities, although OSS is=== most weighted by nasal obstruction severity. OSS and individual symptom severity scores can be measured using a standard VAS, tick-marked VAS or write-in prompt with near-perfect consistency.

Purpose: Chronic Rhinosinusitis with Nasal Polyps (CRSwNP) is a common disease, which was previously approached with sinus surgery or systemic corticosteroids. The advent of biological therapies radically changed the approach to this disease. On the other hand, there is scarce scientific evidence of how specific subsets of patients respond to this treatment., Methods: this is a monocentric, prospective study investigating the long-term efficacy on biweekly 300 mg dupilumab therapy in CRSwNP, prescribed to 61 patients. Patients were evaluated at baseline and every 2 months for the first 6 months, then at 9, 12, 16, 20 and 24 months., Results: dupilumab proved to be an effective treatment, neatly improving both subjective and objective measurements in CRSwNP. The main finding of the study is the difference between specific subgroups of patients: while the overall response is similar, patients with Th2 comorbidities such as asthma and atopy tend to reach a stable response later, with the improvement ongoing even after 6 months of therapy, while non-asthmatic, non-atopic patients attain an earlier stability in response., Conclusions: dupilumab provides an excellent long-term control of CRSwNP, but the response in asthmatic and atopic patients appears to be different and delayed when compared to non asthmatic and non atopic ones., (© 2024. The Author(s).)

A 13-month-old boy presented with bilateral periorbital swelling accompanied by rhinorrhea and fever. Nasal endoscopy revealed middle meatus edema and purulent discharge. He was diagnosed with bilateral preseptal cellulitis and treated with intravenous antibiotics. Continuous fever and new-onset proptosis with extraocular muscle restriction the next day prompted imaging, which revealed sinusitis with bilateral subperiosteal abscesses. He underwent endoscopic sinus surgery with bilateral abscess drainage and recovered uneventfully. Bilateral orbital complications of acute sinusitis are exceedingly rare occurrences and nearly always require surgical treatment., (Copyright © 2024 American Association for Pediatric Ophthalmology and Strabismus. Published by Elsevier Inc. All rights reserved.)

Study Objectives: We have previously estimated that the prevalence of obstructive sleep apnea (OSA) among World Trade Center rescue and recovery workers is 75% and identified that having symptoms of chronic rhinosinusitis (CRS) is an independent risk factor for OSA in this population. Nasal inflammation and/or elevated awake nasal resistance that carried over into sleep could explain this association. To understand the mechanism(s) for the elevated risk of OSA observed in World Trade Center responders with CRS symptoms we examined if elevated awake supine nasal resistance was associated with OSA, CRS and/or nasal inflammatory biomarkers., Methods: A total of 601 individuals (83% male, average age 53 years, body mass index = 29.9 ± 5.5 kg/m 2 ) enrolled in the World Trade Center Health Program and without significant snoring prior to September 11, 2001 underwent 2 nights of home sleep apnea testing, measurements of anterior rhinomanometry in the supine position, and nasal lavage., Results: Awake supine nasal resistance was not associated with OSA; 74.8% and 74.4% of the participants with low and high nasal resistance respectively, had OSA. Patients with CRS had elevated nasal inflammatory markers (interleukin 6, interleukin 8, eosinophilic cationic protein, and neutrophil) but did not have high nasal resistance. Nasal inflammatory markers were not correlated with nasal resistance., Conclusions: As awake nasal resistance did not explain the relationship of CRS to OSA in this large and well characterized dataset, our findings suggest that either "sleep" nasal resistance or other factors such as increased supraglottic inflammation, perhaps through impairing upper airway reflex mechanisms, or systemic inflammation are involved in the pathophysiology of OSA in the World Trade Center population., Citation: Ayappa I, Laumbach R, Black K, et al. Nasal resistance and inflammation: mechanisms for obstructive sleep apnea from chronic rhinosinusitis. J Clin Sleep Med . 2024;20(10):1627-1636., (© 2024 American Academy of Sleep Medicine.)

Acute invasive fungal sinusitis (AIFS) classically presents as an aggressive fungal infection that can spread beyond its origin in the sinuses in immunocompromised patients. Although there have been reports of AIFS in immunocompetent, non-diabetic patients, it is extremely rare and the true mechanism behind it is unknown. A thirty-eight year old immunocompetent, non-diabetic woman underwent bilateral ESS for chronic rhinosinusitis with nasal polyps at a tertiary care center and post-operatively developed AIFS. Patient underwent uncomplicated ESS, was packed with foam containing triamcinolone and discharged on steroid rinses and a prednisone taper. Surgical pathology demonstrated left-sided colonization with non-invasive fungal elements consistent with a mycetoma. She presented on post-operative Day 11 with headache and left-sided retro-orbital pain. A culture of her left nasal cavity grew Rhizopus spp and MRI demonstrated evidence of invasive fungal infection of left sphenoid mucosa as well as inflammatory changes in the left orbit centered at the orbital apex. She was started on amphotericin and underwent a left-sided debridement with biopsies which demonstrated angioinvasive fungal disease. Her vision in her left eye worsened to 20/800 and she was treated with transcutaneous retrobulbar injection of amphotericin B. After stable interval imaging she was discharged on a long-term course of antifungals. Extensive immunologic work-up was unremarkable. We describe a case of an immunocompetent patient who developed AIFS after sinus surgery for CRS and a mycetoma likely as a result of local immune suppression and post-surgical trauma. Laryngoscope, 134:4213-4216, 2024., (© 2024 The American Laryngological, Rhinological and Otological Society, Inc.)

Objectives: Chronic rhinosinusitis (CRS) is a common disease with mucosal inflammation, and may sometimes be accompanied by bone thickening. The disease is usually bilateral; when it is unilateral, there may be a specific disease. This study aimed to investigate the association between unilateral sinus opacification and osteitis., Methods: In total, 104 patients with computed tomography revealing unilateral sinus opacification were included in this study. Patients were retrospectively evaluated using the Global Osteitis Scoring Scale (GOSS) score, Lund-Mackey (LM) score, polyp score, and blood tests., Results: In total, 47, 11, 9, 17, and 20 patients had CRS, paranasal sinus cyst, inverted papilloma, mycetoma, and odontogenic sinusitis, respectively. The GOSS score in patients with mycetoma was higher than that in patients with CRS. However, no significant differences in the GOSS scores between patients with mycetoma, inverted papilloma, and odontogenic sinusitis existed. 10 of the 104 patients had osteitis with extensive bone thickening and a GOSS score of 4 or higher. Patients with CRS and mycetoma tended to have a higher GOSS score for the maxillary sinus than for the other sinuses. There was a significant positive correlation between the GOSS score and LM score in patients with diseases other than paranasal sinus cyst., Conclusions: Mycetoma is more likely to cause osteitis than CRS, and a unique mechanism of osteitis exacerbation is predicted. As there is a positive correlation between bone thickening and sinus inflammation, a close association between osteitis and mucosal inflammation is inferred in diseases involving unilateral sinus opacification., Competing Interests: Declaration of conflicting interestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

The relationship between obstructive sleep apnea (OSA) and chronic rhinosinusitis (CRS) has not yet been fully elucidated. Therefore, the objective of this study was to evaluate the connection between OSA risk and CRS by investigating associations between the STOP-Bang questionnaire and presence of CRS in a nationwide, population-based study. This is a cross-sectional study based on the Korean National Health and Nutrition Examination Survey (KNHANES). We evaluated 10,081 subjects who completed both the STOP-Bang and CRS-related questionnaires. Among the total subjects, 390 (3.9%) were CRS patients. The median STOP-Bang score was 3.0 [2.0; 4.0] in CRS patients, compared to 2.0 [1.0; 3.0] in subjects without CRS. In a low-risk group according to the STOP-Bang questionnaire, 3.1% of subjects were CRS patients. However, a gradual increase was observed among different risk groups. In the higher risk group, CRS patients accounted for 5.3% (P < 0.001). Among the four main symptoms of CRS (nasal obstruction, nasal discharge, facial pain/pressure, and decreased sense of smell), nasal obstruction (4.1 to 7.3%) and a decreased sense of smell (1.9 to 3.3%) increased with higher STOP-Bang scores. This study found that the proportion of patients with CRS was significantly higher in the group at a higher STOP-Bang score in the general population. Among symptoms of CRS, nasal obstruction and anosmia were found to be associated with an increased STOP-Bang score., (© 2024. The Author(s).)

Chronic rhinosinusitis with nasal polyps (CRSwNP) significantly impacts quality of life and often presents therapeutic challenges, with biologics like dupilumab showing promise in managing severe, uncontrolled cases. The aim of this study was to assess the influence of overweight on the effectiveness of dupilumab in patients with uncontrolled CRSwNP. This retrospective study analyzed treatment outcomes of 75 CRSwNP patients receiving dupilumab, categorizing them into underweight/normal-weight (BMI ≤ 24.9 kg/m 2 ) and overweight/obese (BMI ≥ 25 kg/m 2 ) groups. Outcome measures included changes in nasal polyp score (NPS) and sinonasal outcome test (SNOT-22) scores. Results demonstrated that the underweight/normal-weight group experienced significantly greater improvements in NPS and a higher rate of total NPS improvement compared to the overweight/obese group. While SNOT-22 scores improved in both groups, no significant differences were observed. Among patients with comorbid asthma, the underweight/normal-weight subgroup also showed significantly better outcomes, including greater reductions in both NPS and SNOT-22 scores. Multiple regression analysis identified BMI as an independent prognostic factor for NPS outcomes. The findings suggest that overweight/obesity adversely affects the response to dupilumab in CRSwNP, emphasizing the need for personalized treatment strategies considering BMI.

Invasive sinusitis is a rare complication of sinusitis. We present the case of a woman, age 72 years, who presented with acute encephalopathy in the setting of sepsis found to have extensive invasive sinusitis with intracranial extension secondary to Streptococcus intermedius , managed with intravenous antibiotics alone. S. intermedius is a rare cause of acute bacterial sinusitis, associated with infections of relatively greater severity and risk of intracranial spread, often requiring a combination of intravenous antibiotics and surgical debridement for source control. Successful treatment of invasive sinusitis with medical management alone may be achievable if surgical intervention is contraindicated. However, the probability of meaningful recovery without surgical source control is rare and is associated with greater morbidity and mortality. Therefore, factors contributing to the success of medical management alone should be investigated., (Copyright © 2024 Marshfield Clinic Health System.)

Background and Aim: We witnessed a sharp peak in the incidence of invasive fungal sinusitis, particularly mucormycosis, in patients with history of coronavirus disease 2019 (COVID-19) infection in India. Rhino-orbito-cerebral mucormycosis (ROCM) is a fulminant rapidly progressive disease. Early diagnosis significantly improves patient survival and outcomes. Hence, neuroimaging plays a very important role. We studied the magnetic resonance (MR) imaging manifestations of invasive fungal sinusitis and established an imaging protocol, which helps in early diagnosis of the disease per se as well as its complications. We evaluated the differences between COVID-19-associated and non-COVID-19-associated ROCM., Materials and Methods: We retrospectively analyzed the MR imaging manifestations of 91 histopathologically proven cases of post-COVID-19-invasive fungal sinusitis., Results: We observed stage I disease limited to sinuses in 25.2%, stage II disease with intraorbital spread in 23%, and stage III disease with intracranial spread in 51.6% of our patients. Dural involvement was the commonest and earliest sign of stage III disease. Direct parenchymal invasion from the adjacent paranasal sinuses was the commonest pattern of cerebral involvement, involving basifrontal lobe (14.2%) followed by anteromedial temporal lobe (5.4%). We observed orbital and intracranial complications including subperiosteal orbital abscess (1%), cavernous sinus involvement (29.6%), angioinvasion (15.3%), perineural spread (9.8%), and osteomyelitis of skull base and craniofacial bones (45%). Contrary to non-COVID-19-associated ROCM, we did not observe any case with superior ophthalmic vein/dural venous sinus thrombosis or basilar artery angioinvasion in our study., Conclusions: In our study, stage III disease was most commonly due to direct parenchymal invasion into frontal and temporal lobes from the adjacent frontal and sphenoid sinuses, respectively. The commonest vascular complications in our study were cavernous sinus involvement followed by angioinvasion into the cavernous ICA leading to watershed infarcts., (Copyright © 2024 Copyright: © 2024 Neurology India, Neurological Society of India.)

Background: The clinical phenotypes of CRS, such as the presence or absence of polyps, cannot well reflect the pathophysiological mechanisms and characteristics of patients. Only by distinguishing the different internal types of CRS can we individualize patients more accurately., Objective: To investigate the clinical characteristics of chronic rhinosinusitis with different cell types (CRSwNP), and to provide a reference for the diagnosis and treatment of CRSwNP., Materials and Methods: The cytological endotypes of CRSwNP were divided into five groups by cluster analysis., Results: There was a significant difference in the proportion of CRSwNP with different endotypes. There were significant differences in peripheral blood eosinophils, cerebrovascular disease, and unilateral and bilateral nasal polyps among CRSWNP patients with different cytological types., Conclusions: Mixed CRSwNP and eosinophilic CRSwNP are the most common, while neutrophilic CRSWNP is the least common. Eosinophilic CRSwNP is more common in bilateral nasal polyps, with a high recurrence rate and a high probability of olfactory dysfunction. Neutrophilic CRSwNP is more common in elderly patients with cardiovascular and cerebrovascular diseases. Compared with total serum IgE, the percentage of eosinophils in peripheral blood is more helpful for the diagnosis of eosinophilic CRSwNP.

We present a novel case of acute invasive fungal rhinosinusitis (AIFRS) following a maxillary molar root canal in a 69-year-old diabetic female, who subsequently developed unilateral vision loss. The patient reported a 1-week history of progressive left facial pain, trismus, and numbness following the procedure. Initial evaluation was unremarkable, but her condition rapidly deteriorated, culminating in complete vision loss in the left eye. Imaging studies revealed opacification of the left-sided sinuses and a rim-enhancing collection in the left pterygopalatine fossa. Surgical debridement confirmed mucormycosis. The therapeutic approach included systemic and retrobulbar amphotericin B administration, along with multiple sinonasal debridements. The patient's poorly controlled diabetes mellitus significantly contributed to the rapid progression of the infection. Retrobulbar amphotericin B injections were effective in managing orbital involvement, thus avoiding the need for exenteration. Early diagnosis and aggressive treatment are paramount in improving outcomes for patients with AIFRS., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

The abducens nerve, which is vulnerable because of its complex anatomy at the skull base, is seldom affected by acute or severe sphenoid sinusitis. Notably, abducens nerve palsy following asymptomatic chronic rhinosinusitis (CRS) in a healthy young individual after a mild upper respiratory infection (URI) remains undocumented in the literature. Herein, we report a case of acute unilateral abducens neuropathy in a healthy 35-year-old woman with CRS in the ipsilateral sphenoid sinus, following a mild URI 2 weeks earlier. She presented with sudden-onset diplopia, was afebrile, and had normal serum inflammatory biomarkers. Comprehensive ophthalmological and neurological exams revealed no abnormalities except limited lateral gaze in the left eye. Imaging revealed mucosal swelling on the hyperpneumatized left sphenoid sinus, which thinned the clivus and positioned the inflamed mucosa close to the Dorello's canal, likely facilitating the spread of inflammation to the ipsilateral abducens nerve. Urgent endoscopic sinus surgery combined with systemic corticosteroids and antibiotics led to complete resolution by postoperative day 10. The present case demonstrates acute abducens nerve neuropathy from URI-induced exacerbation of sphenoid sinus CRS with specific anatomical predispositions., Competing Interests: Declaration of conflicting interestsThe authors declare that there is no conflict of interest.

Chronic rhinosinusitis with nasal polyps (CRSwNP) is a frequent medical condition. Type 2 inflammation signs CRSwNP in western countries. Type 2 inflammation leads to nasal airflow limitation. Budesonide aqueous nasal spray (BANS) is an intranasal corticosteroid (INCS); it has been launched in the early 1980s. BANS is indicated for treating allergic rhinitis, nonallergic rhinitis, and nasal polyps (both as treatment and prevention after surgery). Consolidated evidence documented its efficacy in treating CRSwNP. In addition, BANS is safe with negligible local and systemic side effects. Recent guidelines for patients with CRSwNP recommend using INCS as the first line in many situations. In particular, patients may assess the perception of symptoms' severity using the Visual Analog Scale (VAS). A score >5/10 means uncontrolled symptoms in both diseases and requires adequate treatment. BANS could appropriately be used in patients with uncontrolled symptoms and/or moderate/severe nasal obstruction. In addition, BANS may adequately integrate surgery and biologics for CRSwNP management. In conclusion, BANS represents a valuable option in managing patients with type 2-mediated CRSwNP.

Background: Headache and facial pain are common symptoms of chronic rhinosinusitis (CRS). However, given the numerous etiologies that can cause these symptoms, the impact of sinus surgery is not well characterized., Methods: A systematic review was performed by searching the literature from inception through June 6, 2023. English-language articles reporting outcomes for facial pain/pressure or headache following endoscopic sinus surgery were selected for inclusion. Meta-analyses were performed using random and fixed effect models on continuous measures (mean), mean difference (Δ), and proportions (%)., Results: A total of 26 articles reporting on 2839 patients were selected for inclusion. The mean patient age was 44.0 ± 3.9 (range 16.0-84.0), with an average symptom duration of 5.3 ± 2.8 years. Among these patients, 56.5% (95% confidence interval [CI]: 52.3-60.6) were male and 77.0% (95% CI: 56.6-92.3) had nasal polyposis (NP). Patients with and without NP reported substantial reductions in both 22-item sino-nasal outcome test facial pain/pressure (with NP: -1.4 [95% CI: -1.6 to -1.2; relative reduction 59.1%]; without NP: -1.5 [95% CI: -1.9 to -1.1; relative reduction 60.9%]) and visual analogue scale (VAS) headache (with NP: -2.5 [95% CI: -2.8 to -2.1; relative reduction 67.2%]; without NP: -2.8 [95% CI: -4.7 to -1.0; relative reduction 42.7%]). Symptom reductions were greater in the without NP versus with NP group; VAS facial pain/pressure: Δ0.4 (95% CI: 0.2-0.6; p = 0.0006) and VAS headache: Δ0.4 (95% CI: 0.1-0.7; p = 0.02)., Conclusions: Our findings suggest that CRS patients, regardless of polyp status, benefit from significant reductions in facial pain/pressure and headache following surgical therapy., (© 2024 ARS‐AAOA, LLC.)

Objective: To identify predictors of chronic rhinosinusitis (CRS) in patients presenting with the chief complaint of nasal allergies., Study Design: Cross-sectional study., Setting: Tertiary care, academic center., Methods: Clinical and demographic characteristics were collected from participants who were patients presenting with the chief complaint of nasal allergies. From all participants, a 22-item Sinonasal Outcome Test (SNOT-22) was collected, and a modified Lund-Kennedy endoscopy score was calculated from nasal endoscopy. Association was sought between having CRS and variables of clinical and demographic characteristics, SNOT-22, and endoscopy score., Results: A total of 219 patients were recruited and 91.3% were diagnosed with allergic rhinitis; 45.2% were also diagnosed with CRS. Approximately half of the patients with CRS reported no intranasal corticosteroid usage. Having CRS was associated with male sex (odds ratio [OR] = 2.29, 95% confidence interval [CI]: 1.30-4.04, P = .004), endoscopy score (OR = 1.96, 95% CI: 1.59-2.42, P < .001), and the SNOT-22 nasal subdomain score (OR = 1.07, 95% CI: 1.03-1.11, P = .001) related to SNOT-22 items: "need to blow nose," "thick nasal discharge," "sense of taste/smell," and "blockage/congestion of nose." At least moderate (item score ≥3) "blockage/congestion of nose" or "thick nasal discharge," mild "need to blow nose" (item score ≥2) or very mild decreased "sense of taste/smell" (item score ≥1), and any nasal endoscopy findings (endoscopy score ≥1) were statistically significant predictors of CRS., Conclusion: Moderate or more severe nasal obstruction or discharge symptoms, any decreased sense of smell/taste, or positive nasal endoscopy findings in patients believing they have allergic rhinitis should prompt further evaluation of CRS to avoid delays in treatment., (© 2024 The Authors. Otolaryngology–Head and Neck Surgery published by Wiley Periodicals LLC on behalf of American Academy of Otolaryngology–Head and Neck Surgery Foundation.)

Phaeohyphomycoses are infections caused by dark-walled dematiaceous fungi. Alternaria and Curvularia are two genera of dematiaceous molds known to cause invasive fungal rhinosinusitis, particularly in immunocompromised patients. Co-infection with two dematiaceous fungi is rarely reported in the literature. This report describes a case of biopsy proven invasive fungal rhinosinusitis with Alternaria spp. and Curvularia spp. co-infection in a neutropenic host. The infection characteristics, microbiologic findings, and treatment are described., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 SFMM. Published by Elsevier Masson SAS. All rights reserved.)

Subperiosteal orbital hematoma secondary to sinusitis is rare. Thus far, 19 cases of this disease have been reported, of which none involved postoperative skin anesthesia in the region innervated by the supraorbital nerve. In this article, for the first time we report a case of subperiosteal orbital hematoma secondary to sinusitis with skin anesthesia in the area innervated by the supraorbital nerve after surgery., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Objective: This case report presents a unique manifestation of Mucocutaneous Leishmaniasis (MCL) in a 56-year-old woman with chronic nasal symptoms. Initially diagnosed with chronic sinusitis and septal perforation, the patient's history of a childhood sandfly bite and subsequent episodes of Leishmaniasis, revealed after nasal surgery, provided crucial information for accurate diagnosis., Methods: A retrospective review was conducted on this patient's electronic medical record., Results: The patient's life-long struggle with nasal obstruction, congestion, and a septal perforation initially masked the underlying MCL. Sinus surgery and persistent symptoms further complicated the diagnostic process. Only after postoperative complications, including grainy skin texture extending into the nasal passages, did the patient recall the sandfly bite, prompting reevaluation and diagnosis of MCL. The case highlights the challenges of diagnosing MCL due to its varied presentation and potential mimicry of other chronic nasal conditions. It emphasizes the importance of thorough patient history-taking, especially when symptoms are atypical or persistent. Additionally, the report underscores the potential for unexpected postoperative complications in MCL patients and the need for vigilance in recognizing and assessing them., Conclusion: This case contributes to the understanding of MCL's diverse clinical presentation and the importance of early diagnosis and multidisciplinary management for prompt intervention and improved outcomes., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Objective: Odontogenic sinusitis (ODS) can cause infectious orbital, intracranial, and osseous complications. Diagnosis and management of complicated ODS have not been discussed in recent sinusitis guidelines. The purpose of this systematic review was to describe epidemiological and clinical features, as well as management strategies of complicated ODS. Data Sources: PubMed, EMBASE, and Cochrane Library. Review Methods: A systematic review was performed to describe various features of complicated ODS. All complicated ODS studies were included in qualitative analysis, but studies were only included in quantitative analysis if they reported specific patient-level data. Results: Of 1126 studies identified, 75 studies with 110 complicated ODS cases were included in qualitative analysis, and 47 studies with 62 orbital and intracranial complications were included in quantitative analyses. About 70% of complicated ODS cases were orbital complications. Only 23% of complicated ODS studies were published in otolaryngology journals. Regarding ODS-related orbital and intracranial complications, about 80% occurred in adults, and 75% were male. Complicated ODS occurred most commonly from apical periodontitis of maxillary molars. There were no relationships between sinusitis extent and orbital or intracranial complications. High rates of anaerobic and α-hemolytic streptococcal bacteria were identified in complicated ODS. Management generally included systemic antibiotics covering aerobic and anaerobic bacteria, and surgical interventions were generally performed to address both the complications (orbital and/or intracranial) and possible infectious sources (dentition and sinuses). Conclusion: ODS should be considered in all patients with infectious extrasinus complications. Multidisciplinary management between otolaryngologists, dental specialists, ophthalmologists, and neurosurgeons should be considered to optimize outcomes. [ABSTRACT FROM AUTHOR]

The aim of this work was to present a practical management algorithm for orbital and brain complications of sinusitis. According to the inclusion criteria, a sample of 68 patients was collected between 2008 and 2018 (39 males and 29 females). Among them, 44 were adults, with a mean age of 50.46 years, and 24 were pediatric patients, with a mean age of 10.33 years. Oral or intravenous antibiotic therapy was administered to all patients. Pharmacological resolution was observed in 14 cases. Early surgical treatment within 48 hours was necessary in 10 cases. Surgery consisted of abscess drainage, associated or not with functional endoscopic sinus surgery. Delayed surgery within 15–30 days was performed in 44 patients. The core procedure was functional endoscopic sinus surgery. Subsidiary procedures were abscess drainage, tooth extraction or cranial base repair. The combination of two or more of these procedures was case selected. Median follow-up was of 46.36 months. Sinusitis complications necessitate rapid diagnosis and prompt treatment. Antibiotic therapy alone is enough for mistreated rhinosinusitis with no anatomical predisposing factor. Surgery is mandatory for altered nasal and paranasal sinus anatomy or odontogenic infections. [ABSTRACT FROM AUTHOR]

Background: With the recent proliferation of novel therapeutics for chronic rhinosinusitis with nasal polyps (CRSwNP), there is an immediate need for comprehensive means to assess CRSwNP disease status as well as to determine treatment efficacy. Outcome measures exist in different forms. Patient-reported outcome measures (PROMs) allow patients to provide direct input about their condition that is not possible to obtain in any other way. Common constructs that are measured using PROMs include quality of life or the burden of disease manifestations (e.g., symptom severity). Outcomes may also include the results of objective diagnostic testing/measurement of clinical signs or measured using psychophysical tests. Biomarkers represent an emerging class of outcome measures for CRSwNP and are chosen to directly reflect the active pathophysiologic processes of CRSwNP in the peripheral blood, sinus/polyp tissues, and sinonasal mucus., Methods: Narrative review of the literature, identifying and describing outcome measures that may be used in the evaluation of CRSwNP and for assessment of treatment responses., Results: In this review, we identify many different outcome measures for CRSwNP that fall under the categories of PROM, objective test, psychophysical test or biomarker. We describe the history of each - including seminal studies - and demonstrate the formal validation, psychometric performance, and limitations of each., Conclusions: PROMs, objective tests, psychophysical tests and biomarkers represent different classes of outcome measures that are complementary means of assessing CRSwNP disease status and treatment efficacy. The choice or interpretation of a CRSwNP outcome measure should be undertaken with full knowledge of its formal validation, psychometric performance, and limitations.

Introduction: Celiac disease is a disease triggered by a protein called gluten. Celiac disease has intestinal and extraintestinal manifestations. Bronchiectasis is a permanent dilation of the bronchi that causes symptoms, such as cough producing a large amount of sputum, recurrent respiratory infections, and breathlessness. In addition, bronchiectasis can present in 60% of cases with chronic rhinosinusitis., Case Presentation: A 40-year-old Arab woman presented with a worsening old cough with an increased amount of sputum; the patient was diagnosed with Celiac disease 7 months prior. Investigations started with laboratory tests followed by a computed tomography scan for the head and chest, bronchoscopy, bronchoalveolar lavage, and spirometry; the final diagnosis was bronchiectasis with chronic rhinosinusitis. She was advised to commit to the gluten-free diet, in addition to the medications prescribed for her bronchiectasis and chronic rhinosinusitis., Conclusion: Celiac disease and bronchiectasis might share an immunologic disturbance that caused both entities, so Celiac disease should be kept in mind as an etiology for pulmonary diseases., (© 2024. The Author(s).)

Although endoscopic sinus surgery (ESS) is beneficial in improving asthma symptoms, its impact on the lung function in patients with asthma and chronic rhinosinusitis remains unclear. We herein report a case of severe asthma with eosinophilic chronic rhinosinusitis, in which ESS substantially improved airflow limitation and concomitantly reduced fractional exhaled nitric oxide and blood eosinophil counts. ESS likely relieved airflow limitation by suppressing type 2 inflammatory pathways. This case highlights ESS as a promising strategy for achieving clinical remission in patients with severe asthma and chronic rhinosinusitis.

Chronic rhinosinusitis (CRS) is a complex inflammatory condition affecting the nasal and paranasal sinus mucosa. Gastroesophageal reflux disease (GERD) has been implicated as a potential exacerbating factor in CRS, but the specific endoscopic features of nasopharyngeal pathology in this context remain poorly understood. Background and Objectives : Chronic rhinosinusitis is a multifactorial disease with various underlying etiologies, including inflammation, anatomical factors, and environmental triggers. While gastroesophageal reflux disease has been suggested as a potential contributor to chronic rhinosinusitis, the specific endoscopic features indicative of nasopharyngeal pathology in CRS patients with GERD symptoms have not been clearly elucidated. Our aim is to identify specific endoscopic features of nasopharyngeal pathology in patients with CRS associated with GERD symptoms and to propose a method for assessing the influence of gastroesophageal reflux disease on the mucosal layer of the nose and nasopharynx. Materials and Methods : We conducted a cross-sectional observational study involving 521 adult patients presenting with symptoms suggestive of CRS. From this cohort, 95 patients with the highest scores on the Reflux Symptom Index (RSI) and Reflux Symptom Score-12 (RSS-12) questionnaires were selected as the main group. Endoscopic examinations were performed to assess the nasal and nasopharyngeal mucosa. Results : Our study revealed significant alterations in the nasopharyngeal mucosa of patients with CRS associated with GERD symptoms. Increased vascularity of the nasopharyngeal mucosa was observed in 91 patients (95.7%), while hypertrophy was noted in 83 patients (87.4%). Mucus was present in the nasopharynx of 77 patients (81.1%), exhibiting varying characteristics of color and consistency. Asymmetric hypertrophy of the oropharyngeal mucosa was noted in 62 patients (65.3%). Conclusions : We propose a method for assessing the influence of gastroesophageal reflux disease on the mucosal layer of the nose and nasopharynx, which may aid in diagnostic and management decisions. Further research is warranted to explore the potential impact of GERD symptoms on the course and severity of CRS exacerbations.

Objective: Intracranial complications of acute bacterial sinusitis are rare pathologies that occur in children, and are associated with significant neurological morbidity and mortality. There is a subjective concern among neurosurgeons that the incidence of this rare disease has increased since the onset of the novel COVID-19 pandemic. The primary objective of this study was to review the presentation and management of patients admitted at the authors' institution with intracranial extension of sinusitis, to better understand the local disease burden relative to the COVID-19 pandemic., Methods: This is a single-center retrospective observational cohort study. The patients underwent neurosurgical intervention for intracranial extension of sinusitis between January 1, 2007, and March 1, 2023. The historical cohort was defined as those patients who presented prior to March 2020. Clinical covariates such as surgical and microbiological data were collected and analyzed., Results: A total of 78 patients (55 historical, 23 new) were included; they had a median age of 11.7 years and a male predominance of 69.2%. There was a significant increase in the annual rate of neurosurgical intervention for suppurative intracranial extension of acute bacterial sinusitis after the onset of the COVID-19 pandemic, with an average of 4.2 cases per year prior to March 2020 compared to 7.7 cases per year after that date (p = 0.013). This increase was largely driven by the unprecedented case volume of 13 cases in 2022. Patients in the new cohort were older (p = 0.009) and more likely to have Pott's puffy tumor/frontal bone osteomyelitis (p = 0.003) at the time of presentation than patients in the historical cohort. Patients in the new cohort had lower rates of readmission within 30 days of discharge than those in the historical cohort (p = 0.047). In both cohorts, patients with seizure on presentation were more likely to have neurological sequelae at last follow-up (p = 0.004), which occurred at a median of 2.9 months after discharge., Conclusions: Clinicians encountering pediatric patients presenting with persistent symptoms of acute bacterial sinusitis must have a high index of suspicion for suppurative intracranial extension. Prompt neuroimaging and subsequent neurosurgical intervention are critical to ensure timely diagnosis and treatment. The results in this study show a significant increase in the number of neurosurgical interventions for suppurative intracranial extension of sinusitis per year after the onset of the COVID-19 pandemic. Further research is needed to understand the underlying pathophysiology of this clinical phenomenon.

Objective: This study evaluated the expression of TIM-3 and its influence on macrophage polarisation in recalcitrant chronic rhinosinusitis with nasal polyps (CRSwNP)., Methods: We detected TIM-3 expression in serum and tissue samples of healthy controls (HC), primary CRSwNP, and patients with recurrent CRSwNP. Macrophage markers were detected among three groups, and their correlations with TIM-3 levels were examined. Macrophages from circulating blood were collected and used to examine the impact of TIM-3 on polarisation in vitro ., Results: TIM-3 levels were enhanced in the CRSwNP group compared to the HC group. Tissue immunofluorescence revealed elevated TIM-3 expression in patients with CRSwNP, and patients with multiple recurrences exhibited higher TIM-3 levels compared to their first recurrence and baseline levels. Tissue CD163 and CD206 levels were higher in recurrent CRSwNP in comparison with primary cases and HCs, and had a positive correlation with TIM-3 levels. TIM-3 overexpression promoted M2 polarisation and enhanced TGF-β1 and IL-10 secretion., Conclusions: TIM-3 expression was enhanced in patients with CRSwNP, especially in those undergoing revision surgeries. TIM-3 may be a novel biomarker for recalcitrant CRSwNP. TIM-3-driven M2 polarisation might be involved in the mechanisms of recurrent CRSwNP., (Copyright © 2024 Società Italiana di Otorinolaringoiatria e Chirurgia Cervico-Facciale, Rome, Italy.)

Purpose: To compare the effects of doxycycline (DOX) and conventional management in patients with refractory chronic rhinosinusitis and nasal polyps (CRSwNP)., Methods: Six databases were searched to September 2023. We retrieved studies that compared improvements in refractory chronic sinusitis-related symptoms between DOX-treated and control groups., Results: DOX significantly reduced the Lund-Kennedy (LK) score [- 0.3670 (range - 0.6173; - 0.1166); I 2  = 92.8%], the nasal polyposis score [- 0.9484 (- 1.2287; - 0.6680); I 2  = 92.5%], the patient-reported Sinonasal Outcome Test (SNOT) score [- 0.3141 (- 0.4622; - 0.1660); I 2  = 91.2%], and the nasal obstruction score [- 0.1813 (- 0.3382; - 0.0243); I 2  = 86.2%]. On subgroup analyses by the measurement timepoints, the extent of nasal polyposis was significantly lower in the DOX group during treatment, at the end of treatment, and 4 and 8 weeks later. The LK scores also indicated improvements during treatment and at the end of treatment. The SNOT score tended to decrease with time in the treatment group. Nasal obstruction symptoms improved during treatment and 4 weeks later., Conclusion: DOX enhances the postoperative endoscopic outcomes of refractory CRSwNP patients by reducing recurrent polyposis and inflammation., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Introduction: This study aimed to elucidate the bacterial profile of chronic rhinosinusitis (CRS) in patients with end-stage renal disease (ESRD) and chronic kidney disease (CKD) compared with nonrenal patients, guiding antibiotic selection for clinicians., Methods: We retrospectively analyzed 13,906 inpatients from the Chang Gung Research Database who underwent sinus surgery (2004-2018). Patients were categorized into ESRD-CRS, CKD-CRS, and non-CKD-CRS based on the estimated glomerular filtration rate. Bacterial cultures from surgical samples were classified as facultative anaerobes or aerobes (e.g., Klebsiella pneumoniae [KP], Pseudomonas aeruginosa [Ps.a]), anaerobes, and fungi and ranked by prevalence., Results: Data from 47 ESRD-CRS, 230 CKD-CRS, and 13,123 non-CKD-CRS patients were analyzed. In ESRD-CRS, the predominant species were KP (31.6%), Ps.a (21.1%), and Coagulase-negative Staphylococcus (CoNS, 15.8%). CKD-CRS showed Staphylococcus epidermidis (27.7%), CoNS (20.5%), and Ps.a (20.5%). Non-CKD-CRS had Staphylococcus epidermidis (29.8%), CoNS (25.0%), and Staphylococcus aureus (15.5%). For anaerobes, ESRD-CRS was dominated by Fusobacterium nucleatum (10.5%) and Peptostreptococcus micros (10.5%), whereas CKD-CRS and non-CKD-CRS showed Propionibacterium acnes as a primary strain (14.5% and 28.7%, respectively)., Conclusion: For CRS in ESRD, antibiotics targeting KP and Fusobacterium nucleatum are recommended. In CKD-CRS, a focus on Staphylococcus epidermidis and Propionibacterium acnes is suggested., Level of Evidence: 4 Laryngoscope, 134:3499-3507, 2024., (© 2024 The American Laryngological, Rhinological and Otological Society, Inc.)

Objective: To compare the efficacy of endoscopic sinus surgery and conservative treatment for orbital apex syndrome caused by sinus lesions. Methods: The clinical data of 56 patients with orbital apex syndrome caused by sinus lesions who were admitted to the First Affiliated Hospital of Zhengzhou University from January 2018 to August 2023 were retrospectively analyzed and divided into a surgical group of 21 cases and a conservative group of 35 cases. The clinical features and prognosis of the two groups were compared. Results: Among the sinus lesions in the surgical group, 61.9% were fungal sinusitis, 28.6% were bacterial sinusitis, and 9.5% were sphenoid sinus tumors. In the conservative group, non-fungal sinusitis accounted for 65.7% and fungal sinusitis accounted for 34.3%. In addition to sinus lesions, patients had underlying diseases. In the surgical group, 71.4% had hypertension and 80.9% had diabetes; in the conservative group, 28.6% had hypertension and 42.9% had diabetes. After a follow-up of 1 month to 5 years, the symptom improvement rate in the surgical group was 85.7%, with 1 case of recurrence. No recurrence was found after reoperation, while the symptom improvement rate in the conservative group was 22.9%, and 6 cases recurred after symptom improvement, and were transferred to rhinology department. No recurrence was seen after surgery. Conclusion: Most of the sinus lesions in this study were fungal sinusitis. In addition, patients with underlying diseases such as diabetes, hypertension, nephrotic syndrome, etc. have reduced nasal immunity, which significantly increases the risk of disease. Since early nasal symptoms are not obvious, multidisciplinary cooperation in diagnosis and treatment is very necessary. Once imaging examination suggests orbital apex syndrome caused by sinus lesions, endoscopic sinus opening should be performed as soon as possible., Competing Interests: The authors of this article and the planning committee members and staff have no relevant financial relationships with commercial interests to disclose., (Copyright© by the Editorial Department of Journal of Clinical Otorhinolaryngology Head and Neck Surgery.)

Aims: Benralizumab, a humanized, afucosylated monoclonal antibody against the interleukin 5 receptor, α subunit, causes rapid depletion of eosinophils by antibody-dependent cellular cytotoxicity. We investigated the pharmacokinetic and pharmacodynamic effects of benralizumab in patients with chronic rhinosinusitis with nasal polyps (CRSwNP) from the phase III OSTRO trial., Methods: Patients received a placebo or 30 mg of benralizumab by subcutaneous injection every 8 weeks (first three doses every 4 weeks) to week 48; a subset of patients continued in an extended follow-up period to assess treatment durability to week 80. Serum benralizumab concentrations and blood eosinophil and basophil counts were assessed to week 80. Biomarker assessments were performed on nasal polyp tissue biopsies at week 56 and nasal lining fluid at weeks 24 and 56 to examine changes in immune cells and inflammatory mediators., Results: Among 185 patients in this analysis, 93 received benralizumab. Serum benralizumab concentrations reached a steady state by week 24 (median concentration 385.52 ng mL -1 ); blood eosinophils were almost fully depleted and blood basophils were reduced between weeks 16 and 56. Nasal polyp tissue eosinophils decreased with benralizumab from 57.6 cells mm -2 at baseline to 0 cells mm -2 at week 56 (P < .001 vs placebo), and tissue mast cells were numerically reduced. In nasal lining fluid, eosinophil-derived neurotoxin was significantly reduced at weeks 24 and 56 (P < .001) and interleukin-17 at week 56 (P < .05) with benralizumab., Conclusion: Benralizumab treatment led to rapid, sustained, nearly complete depletion of eosinophils from blood and nasal polyp tissue in patients with CRSwNP., (© 2024 AstraZeneca. British Journal of Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society.)

Objective: Identifying the biomarkers for uncontrolled chronic rhinosinusitis (CRS) is important for directing treatment decisions. Eosinophilia has been reported to be involved in the poor disease control of CRS and mucus eosinophil-derived neurotoxin (EDN) is potentially a biomarker of intense eosinophil activation. This study aimed to assess the relationship between mucus EDN levels, disease severity, and degree of CRS control., Methods: A total of 150 adult patients with CRS and 25 healthy controls were prospectively enrolled. The nasal mucus and tissue specimens were collected to analyze EDN levels. Disease severity was assessed by Lund-Mackay score and 22-item Sino-Nasal Outcome Test (SNOT-22) score. Five CRS symptom severities during the prior month (nasal blockage, rhinorrhoea/postnasal drip, facial pain/pressure, smell, sleep disturbance or fatigue), use of rescue medications in the last six months, and the presence of diseased mucosa on nasal endoscopy were obtained. Consistent with the European Position Paper on Rhinosinusitis and Nasal Polyps 2020 CRS control criteria, uncontrolled CRS was defined as meeting at least three items., Results: 40% of patients with CRS presented with uncontrolled status. Patients with uncontrolled CRS had significantly higher nasal mucus EDN levels (P = 0.010), percentage of blood eosinophil (P = 0.015), SNOT-22 score (P < 0.001), Lund-Mackay score (P = 0.008), and a more eosinophilic dominant phenotype of CRS (P < 0.001) than patients with controlled CRS. Furthermore, mucus EDN levels were positively correlated with blood eosinophils (r = 0.541, P = 0.005), SNOT-22 score (r = 0.460, P = 0.021), and Lund-Mackay score (r = 0.387, P = 0.039). Mucus EDN levels were the significant parameter related to uncontrolled CRS in multivariable analysis after adjusting for patient demographics and comorbidities (odds ratio = 1.323; P = 0.004)., Conclusions: Mucus EDN levels may be a potential biomarker for identifying the CRS control status., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Background: This study aimed to determine how nasal airflow measures and trigeminal function vary among patients with chronic rhinosinusitis (CRS) versus healthy controls and whether these measures are correlated with subjective nasal obstruction (SNO), olfactory function, and CRS control., Methodology: Participants included CRS patients and healthy controls. After a structured medical history, nasal airflow (peak nasal inspiratory flow [PNIF]; active anterior rhinomanometry [AAR]), trigeminal function (trigeminal lateralization test, CO2 sensitivity), and olfactory "Sniffin's Sticks" odor identification test) tests were performed. SNO ratings were also obtained., Results: Sixty-nine participants were included (37 men, 32 women, mean age 51 years). There was no significant difference for objective nasal airflow between patients and controls, but CRS patients had worse SNO, trigeminal function, and olfaction compared to controls. SNO, but not objective nasal airflow tests, was negatively correlated with CO2 sensitivity and odor identification., Conclusion: The perception of nasal obstruction does not only depend on nasal airflow, but may also be modulated by trigeminal function and other factors. Thus, the role of objective nasal airflow measures as a sole method of functional nasal obstruction assessment in CRS remains limited.

Objective: To measure the inflammatory cytokines of middle ear effusion (MEE) in otitis media (OM) associated with asthma and chronic rhinosinusitis with nasal polyps (CRSwNP) with or without nonsteroidal anti-inflammatory drug (NSAID) sensitivity to strengthen our assumption that OM is part of the same inflammatory entity. The potential individual differences between MEE inflammatory cytokines could be used in clinical practice for more individual characterization of the inflammation., Study Design: Case-control study., Setting: Tertiary referral center., Patients: Convenience sample of 24 case patients with otitis media with effusion (OME) or chronic otitis media (COM), asthma, and CRSwNP, 14 of whom had NSAID intolerance, and 8 controls with OME but no history of asthma, CRSwNP, or NSAID intolerance., Intervention: Diagnostic., Main Outcome and Measure: Inflammatory cytokines including interleukins (IL)-4, IL-5, IL-6, IL-13, and interferon gamma (IFN-γ) in middle ear effusion., Results: The MEE mass fractions of IL-5 ( p = 0.003) and IFN-γ ( p = 0.048) were higher among our case patients with OME/COM than among the controls. For IL-4 and IL-13, the mass fractions were also higher among the case patients than the controls, but this difference was not statistically significant ( p = 0.199 and p = 0.617, respectively). We found no difference between the IL-6 mass fractions of the groups. We found notable heterogeneity in individual patients' cytokine levels., Conclusions: According to our findings, OM, when present, should be considered part of the respiratory inflammatory process associated with asthma and CRSwNP. The individual differences in MEE cytokine levels could be useful as biomarkers., (Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of Otology & Neurotology, Inc.)