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PURPOSE: This study aimed to evaluate the utility of large language model (LLM) artificial intelligence tools, Chat Generative Pre-Trained Transformer (ChatGPT) versions 3.5 and 4, in managing complex otolaryngological clinical scenarios, specifically for the multidisciplinary management of odontogenic sinusitis (ODS). METHODS: A prospective, structured multidisciplinary specialist evaluation was conducted using five ad hoc designed ODS-related clinical scenarios. LLM responses to these scenarios were critically reviewed by a multidisciplinary panel of eight specialist evaluators (2 ODS experts, 2 rhinologists, 2 general otolaryngologists, and 2 maxillofacial surgeons). Based on the level of disagreement from panel members, a Total Disagreement Score (TDS) was calculated for each LLM response, and TDS comparisons were made between ChatGPT3.5 and ChatGPT4, as well as between different evaluators. RESULTS: While disagreement to some degree was demonstrated in 73/80 evaluator reviews of LLMs' responses, TDSs were significantly lower for ChatGPT4 compared to ChatGPT3.5. Highest TDSs were found in the case of complicated ODS with orbital abscess, presumably due to increased case complexity with dental, rhinologic, and orbital factors affecting diagnostic and therapeutic options. There were no statistically significant differences in TDSs between evaluators' specialties, though ODS experts and maxillofacial surgeons tended to assign higher TDSs. CONCLUSIONS: LLMs like ChatGPT, especially newer versions, showed potential for complimenting evidence-based clinical decision-making, but substantial disagreement was still demonstrated between LLMs and clinical specialists across most case examples, suggesting they are not yet optimal in aiding clinical management decisions. Future studies will be important to analyze LLMs' performance as they evolve over time.
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Inteligência Artificial , Sinusite , Humanos , Estudos Prospectivos , Reprodutibilidade dos Testes , IdiomaRESUMO
BACKGROUND: Multidisciplinary collaboration is essential for effective odontogenic sinusitis (ODS) management. One point of debate has been the optimal timing of primary dental treatment and endoscopic sinus surgery (ESS), but differences in time to completion of these treatment pathways have not been studied. METHODS: A retrospective cohort study was conducted on ODS patients from 2015 to 2022. Demographic and clinical variables were recorded, and various durations of time were analyzed from rhinologic consultation through treatment completion. Resolution of sinusitis symptoms and purulence on endoscopy was also recorded. RESULTS: Eighty-nine ODS patients were analyzed (47.2 % male, median 59 years-old). Of the 89 ODS patients, 56 had treatable dental pathology, and 33 had no treatable dental pathology. Median time to treatment completion for all patients was 103 days. Of 56 ODS patients with treatable dental pathology, 33 had primary dental treatment, and 27 (81 %) required secondary ESS. In patients who underwent primary dental treatment followed by ESS, median time from initial evaluation to treatment completion was 236.0 days. If ESS was pursued primarily followed by dental treatment, median time from initial evaluation to treatment completion was 112.0 days, which was significantly shorter than if dental treatment was pursued primarily (p = 0.002). Overall symptomatic and endoscopic resolution was 97.8 %. CONCLUSIONS: After dental and sinus surgical treatment, ODS patients experienced 97.8 % resolution of symptoms and purulence on endoscopy. In patients with ODS due to treatable dental pathology, primary ESS followed by dental treatment resulted in a shorter overall treatment duration than primary dental treatment followed by ESS.
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Sinusite Maxilar , Rinite , Sinusite , Humanos , Masculino , Pessoa de Meia-Idade , Feminino , Sinusite Maxilar/etiologia , Sinusite Maxilar/cirurgia , Estudos Retrospectivos , Sinusite/complicações , Sinusite/terapia , Endoscopia/métodos , Fatores de Tempo , Doença CrônicaRESUMO
PURPOSE: Empty nose syndrome (ENS) is characterized by nasal dryness, crusting, and paradoxical nasal obstruction most commonly after inferior turbinate resection. ENS has also been reported to occur after middle turbinate resection (MTR), and concern for causing ENS is a possible reason surgeons preserve the MT during endoscopic sinus surgery (ESS). The objective was to determine whether MTR during ESS led to ENS. MATERIALS AND METHODS: This was a prospective case series of 95 consecutive patients that underwent bilateral subtotal MTR during ESS with either Draf IIB or Draf III frontal sinusotomies, for chronic rhinosinusitis with or without nasal polyps, and frontal sinus inverted papillomas. Demographic data and postoperative Empty Nose Syndrome 6-item Questionnaire (ENS6Q) scores were obtained. Nasal crusting was also documented on last postoperative nasal endoscopy. RESULTS: Pathologies included chronic rhinosinusitis with nasal polyps (69), without nasal polyps (12), and inverted papillomas (14). Fifty-six patients underwent subtotal MTRs during ESS with Draf IIB, and 39 with Draf III. Mean follow-up was 19.4 months (range 12-49). Mean postoperative ENS6Q score was 2.1. Only 2.1% had ENS6Q scores ≥ 11, and 6.3% had nasal crusting at last follow-up. None of the patients with ENS6Q scores ≥ 11 had nasal crusting at last follow-up. There were no significant differences in outcomes between ages, genders, surgery types, or pathologies. CONCLUSIONS: Patients who underwent bilateral subtotal MTR during ESS were unlikely to develop ENS by at least 1 year postoperatively, based on patients rarely experiencing ENS6Q scores ≥ 11 or persistent nasal crusting.
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Endoscopia/efeitos adversos , Endoscopia/métodos , Obstrução Nasal/etiologia , Procedimentos Cirúrgicos Otorrinolaringológicos/efeitos adversos , Procedimentos Cirúrgicos Otorrinolaringológicos/métodos , Complicações Pós-Operatórias/etiologia , Rinite/cirurgia , Sinusite/cirurgia , Conchas Nasais/cirurgia , Adulto , Idoso , Doença Crônica , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Obstrução Nasal/epidemiologia , Pólipos Nasais/complicações , Pólipos Nasais/cirurgia , Complicações Pós-Operatórias/epidemiologia , Estudos Prospectivos , Rinite/complicações , Sinusite/complicações , Inquéritos e Questionários , Síndrome , Fatores de TempoRESUMO
PURPOSE: Endodontic disease is one of the most common causes of bacterial odontogenic sinusitis (ODS). Diagnosing ODS of endodontic origin involves otolaryngologists confirming sinusitis, and dental specialists confirming endodontic sources. The purpose of this study was to conduct a multidisciplinary literature review to highlight clinical and microbiological features of ODS, and the most optimal diagnostic modalities to confirm endodontic disease. METHODS: An extensive review of both medical and dental literature was performed by rhinologists, endodontists, and an infectious disease specialist. Frequencies of various clinical and microbiological features from ODS studies were collected, and averages were calculated. Different endodontic testing and imaging modalities were also evaluated on their abilities to confirm endodontic disease. RESULTS: ODS patients most often present with unilateral sinonasal symptoms for over 3 months, purulence on nasal endoscopy, and overt dental pathology on computed tomography (CT). Subjective foul smell, and maxillary sinus cultures demonstrating anaerobes and α-streptococci (viridans group) may be more specific to ODS. For endodontic evaluations, cold pulp testing and cone-beam CT imaging are most optimal for confirming pulpal and periapical disease. CONCLUSION: Diagnosing ODS requires collaboration between otolaryngologists and dental specialists. Clinicians should suspect ODS when patients present with unilateral sinonasal symptoms, especially foul smell. Patients will generally have purulent drainage on nasal endoscopy, and both sinus opacification and overt dental pathology on CT. However, some patients will have subtle or absent dental pathology on CT. For suspected endodontic disease, endodontists should be consulted for at least cold pulp testing, and ideally cone-beam CT.
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Infecções Bacterianas , Sinusite Maxilar/diagnóstico , Sinusite Maxilar/microbiologia , Pulpite/diagnóstico , Pulpite/microbiologia , Adulto , Tomografia Computadorizada de Feixe Cônico , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Tomografia Computadorizada por Raios X , Estreptococos Viridans/isolamento & purificação , Estreptococos Viridans/patogenicidadeRESUMO
PURPOSE: Odontogenic sinusitis (ODS) is underrepresented in the literature compared to other forms of rhinosinusitis, specifically in sinusitis guidelines and position statements. ODS publication characteristics could help explain why ODS has received less attention in sinusitis guidelines and position statements. The purpose of this study was to explore trends in the quantity and quality of ODS studies over 3 decades from 1990 to 2019. METHODS: A systematic review was performed to identify all ODS studies from 1990 to 2019. The following variables from all ODS studies were compared between and across the 3 decades: authors' specialties, journal specialties, authors' geographic origins (continents), study topics, study designs, and evidence levels. RESULTS: From 1990 to 2019, there were 254 ODS studies that met inclusion criteria. Numbers of publications increased each decade, with 161 being published from 2010 to 2019. Otolaryngologists and dental authors published over 75% of ODS studies each decade, with 60-75% of ODS articles being published in otolaryngology or dental journals. European and Asian authors published the most ODS studies each decade. Overall, 92-100% of ODS publications per decade were level 4 and 5 evidence, with no significant changes between or across decades. CONCLUSION: While numbers of ODS publications increased each decade from 1990 to 2019, evidence levels remained low without significant changes over time. Otolaryngologists and dental authors published the majority of ODS studies each decade, with a minority of these studies being multidisciplinary. More ODS studies are needed across all aspects of the condition, and future projects would benefit from improved study designs and multidisciplinary collaboration.
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Sinusite Maxilar , Otolaringologia , Sinusite , Humanos , Otorrinolaringologistas , Projetos de Pesquisa , Sinusite/complicações , Sinusite/epidemiologiaRESUMO
PURPOSE: Odontogenic sinusitis is underrepresented in sinusitis literature as well as in the otolaryngology teaching curriculum sponsored by the American Academy of Otolaryngology-Head and Neck Surgery. Otolaryngologists and residents in training may therefore have a decreased awareness of the condition. The objective of this study was to survey otolaryngology chief residents toward the ends of their training to determine how often they considered odontogenic sinusitis as a cause of unilateral sinus disease. MATERIALS AND METHODS: An online REDCap survey was conducted from December 2018 to January 2019. Online surveys were emailed to 119 Otolaryngology residency program directors in the United States of America, which were then forwarded to their chief residents. Surveys included 3 demographic and 4 clinical questions. Clinical questions included 3 computed tomography-based questions requiring either differential diagnoses or most likely diagnosis, and 1 question on residents' perceived prevalence of odontogenic sinusitis as a cause of unilateral sinus opacification. Answer choices were tabulated and compared based on geographic region and post-residency career plans. RESULTS: Of 293 chief residents emailed, 94 completed the survey (32.1%). While answer choices on imaging-based questions varied, odontogenic sinusitis was generally underrecognized. Approximately 70% of residents felt odontogenic sinusitis represented 0%-40% of unilateral sinus opacification. There were no statistically significant differences in answers based on geographic distribution or post-residency career plans. CONCLUSIONS: Otolaryngology chief residents recognized odontogenic sinusitis with variable accuracy on imaging, and generally underestimated its prevalence as a cause of unilateral sinus opacification. Efforts should be made to teach otolaryngology residents about odontogenic sinusitis.
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Conscientização , Internato e Residência , Sinusite Maxilar , Otorrinolaringologistas/psicologia , Otolaringologia/educação , Diagnóstico Diferencial , Humanos , Sinusite Maxilar/complicações , Sinusite Maxilar/diagnóstico , Sinusite Maxilar/diagnóstico por imagem , Sistemas On-Line , Doenças dos Seios Paranasais/etiologia , Inquéritos e Questionários , Tomografia Computadorizada por Raios X , Estados UnidosRESUMO
PURPOSE: To determine the effect of intranasal Doyle splints on postoperative pain following septoplasty and inferior turbinate reduction (ITR). Changes in Nasal Obstruction Symptom Evaluation (NOSE) scores were also evaluated. MATERIALS AND METHODS: A prospective cohort study conducted from January 2017 to January 2019. Patients were recruited if they experienced nasal obstruction due to septal deviation and inferior turbinate hypertrophy, and failed a one-month trial of intranasal corticosteroids. All patients underwent septoplasty with ITR, and either had Doyle splints or no splints placed. Patients were prescribed hydrocodone-acetaminophen 5-325 mg and asked to keep a daily log of pain medication use and visual analog scale (VAS) scores. Pain logs and NOSE scores were compared between patients who had splints versus patients who had no splints placed after septoplasty and ITR over the first postoperative week. NOSE scores were also collected at every postoperative visit (1 week, 1 month, and 6 months). RESULTS: Fifty-seven patients were enrolled (37 splints, 20 no-splints). The median postoperative pain VAS score was 3.0 (interquartile range [IQR] 2.0-5.0) for the splint group and 4.0 (IQR 2.0-5.0) for the no-splint group (P = 0.906). The median postoperative pain medication requirement in morphine equivalents at the first postoperative visit was 5.4 mg/day (IQR 2.0-13.3) for the splint group and 8.4 mg/day (IQR 1.8-15.3) for the no-splint group (P = 0.833). CONCLUSIONS: There were no statistically significant differences in postoperative pain VAS scores or pain medication use between the two groups. All patients experienced significant reductions in NOSE scores postoperatively.
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Obstrução Nasal/cirurgia , Septo Nasal/cirurgia , Dor Pós-Operatória/tratamento farmacológico , Dor Pós-Operatória/etiologia , Rinoplastia/efeitos adversos , Rinoplastia/métodos , Contenções/efeitos adversos , Conchas Nasais/cirurgia , Adulto , Estudos de Coortes , Feminino , Humanos , Hipertrofia , Masculino , Pessoa de Meia-Idade , Obstrução Nasal/diagnóstico , Obstrução Nasal/etiologia , Septo Nasal/patologia , Medição da Dor , Dor Pós-Operatória/diagnóstico , Estudos Prospectivos , Resultado do Tratamento , Conchas Nasais/patologiaRESUMO
Fibrolamellar carcinoma was first described in 1956. Subsequent large studies failed to identify cases before 1939 (the start of the World War II). This finding, combined with the presence of aryl hydrocarbon receptors on the tumor cells, have suggested that fibrolamellar carcinomas may be caused by environmental exposures that are new since World War II. To investigate this possibility, the surgical pathology files before 1939 were reviewed for hepatocellular carcinomas resected in young individuals. Two cases of fibrolamellar carcinoma were identified, from 1915 to 1924. The diagnosis of fibrolamellar carcinoma was confirmed at the histologic, ultrastructural and proteomic levels. These two fibrolamellar carcinoma cases clarify a key aspect of fibrolamellar carcinoma biology, reducing the likelihood that these tumors result exclusively from post World War II environmental exposures.
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Carcinógenos Ambientais/efeitos adversos , Carcinoma Hepatocelular/etiologia , Exposição Ambiental/efeitos adversos , Adulto , Idoso , Biomarcadores Tumorais/análise , Biomarcadores Tumorais/genética , Carcinoma Hepatocelular/química , Carcinoma Hepatocelular/genética , Carcinoma Hepatocelular/ultraestrutura , Subunidades Catalíticas da Proteína Quinase Dependente de AMP Cíclico/genética , Proteínas de Choque Térmico HSP40/genética , Humanos , Imuno-Histoquímica , Hibridização in Situ Fluorescente , Masculino , Microscopia Eletrônica , Fatores de RiscoAssuntos
Doenças do Nervo Abducente/etiologia , Barotrauma/complicações , Seio Cavernoso/diagnóstico por imagem , Espirro , Doenças do Nervo Trigêmeo/etiologia , Doenças do Nervo Abducente/diagnóstico , Idoso , Feminino , Humanos , Imageamento por Ressonância Magnética , Síndrome , Tomografia Computadorizada por Raios X , Doenças do Nervo Trigêmeo/diagnósticoRESUMO
The differential diagnosis of unilateral sinus disease (USD) is broad, and while concerning etiologies like sinonasal neoplasia, invasive fungal sinusitis, and cerebrospinal fluid rhinorrhea should always be considered, most cases are due to noninvasive inflammatory or infectious conditions. To diagnose USD appropriately, clinicians must integrate the clinical history and examination, nasal endoscopy, computed tomography (CT), and possibly MRI. Odontogenic sinusitis (ODS) is the most common cause of unilateral maxillary sinus opacification on CT, with 45% to 75% of such cases being odontogenic in nature. This study provides USD diagnostic considerations and reinforces the diagnostic approach to ODS.
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This article summarizes how to diagnose common and nuanced cases of odontogenic sinusitis (ODS) through a collaborative approach between otolaryngologists and dental specialists, with a heightened focus on the role of otolaryngologists in the diagnostic process. A critical part of the diagnostic framework is that otolaryngologists must confirm the infectious sinusitis but also suspect ODS to ensure he or she refers the patient to a dental specialist to confirm or refute ipsilateral infectious maxillary dental pathology. To confirm the purulent sinusitis of ODS, nasal endoscopy is most critical. Computed tomography imaging is an important part of the workup.
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BACKGROUND: The anterior ethmoidal artery (AEA) flap has been successful in repairing anterior nasal septal perforations and has been presumed to be axially based on AEA branches coursing through or around the cribriform plate (CP). However, limited evidence supports the flap's axial supply. The purposes of this cadaveric and computed tomography (CT) study were to assess the arterial anatomy from the CP to the septum, and to determine AEA flap length to predict ideal flap base width. METHODS: Ten fresh latex-injected cadavers were utilized for endoscopic dissection to identify arteries traversing the CPs on each side. First, arterial trajectories along the dorsal septum were recorded. Measurements were then made bilaterally along the septum from the middle turbinate (MT) axilla to the nasal branch of the AEA (NBAEA) traversing the CP. Additionally, 100 sinus CTs were reviewed to measure AEA flap lengths bilaterally. RESULTS: From 10 cadavers, 20 sides were utilized for measurements. In all cadavers, the AEA septal branches coursed diagonally or horizontally along the dorsal septum, and never directly vertically. The mean distance from the MT axilla to the NBAEA was 1.24 ± 1.93 cm (range = 1-1.5 cm). Based on CTs, the mean AEA flap length was 6.40 ± 0.60 cm. CONCLUSIONS: Based on the non-vertical courses of AEA septal branches, the AEA flap is more likely a random transposition flap than an axial flap. Average AEA flap length ranged from 6.0 to 7.0 cm. Assuming 3:1 length:width ratios, AEA flap base widths should be about 2.0-2.3 cm. LEVEL OF EVIDENCE: NA Laryngoscope, 134:2100-2104, 2024.
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Retalhos Cirúrgicos , Conchas Nasais , Humanos , Retalhos Cirúrgicos/irrigação sanguínea , Artérias/anatomia & histologia , Tomografia Computadorizada por Raios X , Endoscopia/métodos , CadáverRESUMO
This case highlights the successful use of a large nasoseptal flap to repair a large maxillary sinus floor defect. Surgeons can therefore rely on this flap for repairing maxillary sinus floor defects of most sizes and locations. Laryngoscope, 134:87-91, 2024.
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Seio Maxilar , Levantamento do Assoalho do Seio Maxilar , Humanos , Seio Maxilar/cirurgia , Retalhos CirúrgicosRESUMO
OBJECTIVES: Unilateral clear thin rhinorrhea (UCTR) can be concerning for a nasal cerebrospinal fluid (CSF) leak. Beta-2 transferrin electrophoresis has been the gold standard for initial non-invasive confirmatory testing for CSF rhinorrhea, but there can be issues with fluid collection and testing errors. Ipratropium bromide nasal spray (IBNS) is highly effective at reducing rhinitis-related rhinorrhea, and should presumably not resolve CSF rhinorrhea. This study assessed whether different clinical features and IBNS response helped predict presence or absence of CSF rhinorrhea. METHODS: A prospective cohort study was conducted where all patients with UCTR had nasal fluid tested for beta-2 transferrin, and were prescribed 0.06% IBNS. Patients were diagnosed with CSF rhinorrhea or other rhinologic conditions. Clinical variables like IBNS response (rhinorrhea reduction), positional worsening, salty taste, postoperative state, female gender, and body-mass index were assessed for their ability to predict CSF rhinorrhea. Sensitivity, specificity, and predictive values and odds ratios were calculated for all clinical variables. RESULTS: Twenty patients had CSF rhinorrhea, and 53 had non-CSF etiologies. Amongst clinical variables assessed for predicting CSF absence or presence, significant associations were shown for IBNS response (OR = 844.66, p = 0.001), positional rhinorrhea worsening (OR = 8.22, p = 0.049), and body-mass index ≥30 (OR = 2.92, p = 0.048). IBNS response demonstrated 96% sensitivity and 100% specificity, and 100% positive and 91% negative predictive values for predicting CSF rhinorrhea. CONCLUSIONS: In patients with UCTR, 0.06% IBNS response is an excellent screening tool for excluding CSF rhinorrhea, and should be considered in the diagnostic workup of CSF rhinorrhea. LEVEL OF EVIDENCE: 2 Laryngoscope, 134:56-61, 2024.
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Rinorreia de Líquido Cefalorraquidiano , Ipratrópio , Humanos , Feminino , Rinorreia de Líquido Cefalorraquidiano/diagnóstico , Sprays Nasais , Estudos Prospectivos , Mucosa Nasal , Vazamento de Líquido Cefalorraquidiano , Transferrina/análiseRESUMO
Maxillary sinus grafting is a predictable regenerative technique to facilitate maxillary posterior implant placement when there is insufficient vertical bone height inferior to the maxillary sinuses to allow placement of implants of adequate dimensions. It enables an increase in vertical bone height, which makes implant placement easier. Maxillary sinus mucosal membrane perforation is one of the most common intraoperative complications during maxillary sinus grafting and may result in extrusion of graft material into the sinus. When this occurs, the mucociliary function of the maxillary sinus may expel the extruded graft material through its natural ostium, though graft particles may remain in the sinus or possibly occlude the natural ostium. After grafting, transient maxillary sinus mucosal oedema may occur. A postoperative CBCT scan may reveal varying degrees of sinus opacification, namely partial, subtotal or total. Although it is always possible to identify graft material, which may enter the sinus as a result of membrane perforation that might not even be visible to the implantologist during the surgical procedure, it is challenging to assess whether sinus opacification is due to mucosal thickening or mucus accumulation. The aim of the present case series was to offer a pragmatic approach to managing asymptomatic patients whose CBCT scans demonstrated partial, subtotal or total maxillary sinus opacification with bone graft particles that seemed to have been extruded into the sinus.
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Tomografia Computadorizada de Feixe Cônico , Seio Maxilar , Levantamento do Assoalho do Seio Maxilar , Humanos , Transplante Ósseo/métodos , Transplante Ósseo/efeitos adversos , Implantação Dentária Endóssea/efeitos adversos , Implantação Dentária Endóssea/métodos , Edema/etiologia , Edema/diagnóstico por imagem , Edema/patologia , Seguimentos , Seio Maxilar/cirurgia , Seio Maxilar/diagnóstico por imagem , Mucosa Nasal/diagnóstico por imagem , Mucosa Nasal/patologia , Complicações Pós-Operatórias/diagnóstico por imagem , Complicações Pós-Operatórias/etiologia , Levantamento do Assoalho do Seio Maxilar/efeitos adversos , Levantamento do Assoalho do Seio Maxilar/métodosRESUMO
BACKGROUND: Empty nose syndrome (ENS) is a poorly understood, debilitating condition affecting a minority of patients who underwent nasal airway surgery, most commonly following inferior turbinate surgery. Few publications have demonstrated middle turbinate resection (MTR) causing ENS, but MTR is still considered a potential cause of ENS. The Empty Nose Syndrome 6-item Questionnaire (ENS6Q) is validated for ENS diagnosis, with ENS6Q ≥ 11 considered highly suggestive of ENS. The purpose of this multicenter study was to determine the incidence of patients with ENS6Q ≥ 11 following subtotal MTR during endoscopic sinus surgery (ESS) for chronic rhinosinusitis with nasal polyps (CRSwNP) by comparing preoperative and postoperative ENS6Q scores. METHODS: A multi-institutional prospective cohort study (8 US institutions) was conducted on patients who underwent bilateral subtotal MTR during ESS for CRSwNP. Preoperative and postoperative ENS6Q scores were compared after at least 12 months of postoperative follow-up. RESULTS: Of 110 patients, mean age was 51.6 years and 59.1% were male. Mean follow-up was 14.5 ± 2.5 months (range 12.1-22.3 months). Mean preoperative and postoperative ENS6Q were 7.7 and 2.2, respectively, demonstrating a mean 5.5 point decrease postoperatively (p < 0.0001). At final follow-up, no patient had an ENS6Q ≥ 11. Of note, 20% of patients had preoperative ENS6Q scores ≥11, but all decreased to <11 postoperatively. CONCLUSIONS: Based on prospective multicenter data over 1-2 years postoperatively, subtotal MTR for CRSwNP never led to ENS6Q scores ≥11, and patients experienced significant decreases in ENS6Q postoperatively. Subtotal MTR during ESS for CRSwNP was, therefore, unlikely to cause ENS even with long-term follow-up. LEVEL OF EVIDENCE: 4 Laryngoscope, 2024.
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BACKGROUND: Beta-2 transferrin (B2-Tf) gel electrophoresis (GE) is the preferred non-invasive diagnostic modality for confirming cerebrospinal fluid (CSF) in body fluids. While B2-Tf GE testing is highly sensitive and specific for CSF, false-positive (FP) and false-negative (FN) results can lead to diagnostic and therapeutic dilemmas. Several series have demonstrated potential causes of false B2-Tf GE results, but few studies have reported reasons for these errors. The purpose of this systematic review was to describe sources of B2-Tf GE errors. METHODS: A systematic review was performed by searching OVID, EMBASE, and Web of Science databases for B2-Tf GE studies. After applying exclusion criteria, original research studies directly addressing erroneous B2-Tf GE results underwent qualitative analysis. RESULTS: Of the 243 abstracts screened, 71 underwent full-text review and 18 studies reporting B2-Tf GE errors were included for analysis. There were 15 potential FPs, 12 actual FPs, 12 potential FNs, 19 actual FNs, and 14 indeterminate results. There were also 246 potentially indeterminate results from in vitro studies. Reasons for B2-Tf GE errors included serum transferrin alterations (n = 17; all potential), infection related (n = 13; 9 potential), orbital or salivary contamination (n = 2; 1 potential), and collection related (n = 255; 246 potential). There were 31 false or indeterminate results with unspecified reasons. There were no reported errors due to laboratory processing. CONCLUSIONS: Multiple potential or actual reasons for false or indeterminate results have been reported for B2-Tf GE testing of rhinorrhea and otorrhea. Future studies should explore reasons for B2-Tf testing errors and how these may affect clinical decision making.
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OBJECTIVES: Investigate the use of nasal endoscopy, sinus imaging, and neurologic evaluation in patients presenting to a rhinologist primarily for craniofacial pain. METHODS: This was a retrospective analysis of consecutive outpatients presenting to a rhinologist between 2016 and 2019 with chief complaints of craniofacial pain with or without other sinonasal symptoms, who were then referred to and evaluated by headache specialists. Data analyzed included sinusitis symptoms, Sino-Nasal Outcome Test (SNOT-22) scores (and facial pain subscores), pain location, nasal endoscopy, computed tomography (CT) findings, and headache diagnoses made by headache specialists. RESULTS: Of the 134 patients with prominent craniofacial pain, the majority of patients were diagnosed with migraine (50%) or tension-type (22%) headache, followed by multiple other non-sinogenic headache disorders. Approximately 5% of patients had headaches attributed to sinusitis. Amongst all patients, 90% had negative nasal endoscopies. Patients with negative endoscopies were significantly less likely to report smell loss (P = .003) compared to those with positive endoscopies. Poor agreement was demonstrated between self-reported pain locations and sinus findings on CT (kappa values < 0.20). Negative nasal endoscopy showed high concurrence with negative CT findings (80%-97%). CONCLUSIONS: Patients presenting with chief complaints of craniofacial pain generally met criteria for various non-sinogenic headache disorders. Nasal endoscopy was negative in 90% of patients, and CT demonstrated poor agreement with pain locations. Nasal endoscopy and CT shared high concurrence rates for negative sinus findings. The value of nasal endoscopy over sinus imaging in craniofacial pain evaluation should be explored in future studies.
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Transtornos da Cefaleia , Sinusite , Humanos , Estudos Retrospectivos , Cefaleia/diagnóstico , Cefaleia/etiologia , Dor Facial/diagnóstico , Dor Facial/etiologia , Sinusite/diagnóstico , Transtornos da Cefaleia/diagnóstico , Transtornos da Cefaleia/etiologia , EndoscopiaRESUMO
BACKGROUND: Odontogenic sinusitis (ODS) is distinct from non-odontogenic rhinosinusitis with regard to clinical features as well as diagnostic and therapeutic approaches. While numerous studies have explored immune profiles of chronic rhinosinusitis, very few studies have explored the inflammatory endotype of ODS. METHODS: Odontogenic sinusitis was diagnosed by confirming infectious sinusitis adjacent to infectious maxillary odontogenic pathology. Maxillary sinus cultures and mucosal biopsies were obtained during endoscopic endonasal surgery in ODS and control patients. Controls were patients undergoing endoscopic skull base surgery with no sinus disease. Specimens were snap frozen in liquid nitrogen and stored at -80°C. Analysis was performed using a multiplex assay to measure Th-1 (TNFα, IFNγ, IL-2,12,18), Th-2 (IL-4,5,9,13), Th-17 (IL-17A,17F,22), and innate (CCL5,CXCL9,CXCL10, IL-6,8,10,12,23,27) immune pathways. Groups were compared via independent sample t-tests; if assumptions were violated, nonparametric Wilcoxon ranked sum tests were performed. RESULTS: Specimens from 22 ODS patients were compared to nine controls. ODS mucosal tissue was sampled in the setting of the following dental pathologies: post-dental extraction (n = 15), untreated apical periodontitis (n = 2), apical periodontitis after root canal therapy (n = 2), and maxillary sinus bone grafting with or without dental implantation (n = 3). The following cytokines were significantly elevated in ODS compared to controls: IFNγ, TNFα, IL-6, 8, 10, 27, and CXCL9. IL-17 levels were similar in both ODS and controls. Therefore, ODS demonstrated heightened innate and Th1 immune activity. CONCLUSION: ODS demonstrated both innate immune and Th1 inflammatory endotypes. Further studies are needed to explore ODS immunopathobiology and its potential impact on ODS management.