223 results on '"Adappa, Nithin D"'
Search Results
2. SNOT‐22 subdomain outcomes following treatment for sinonasal malignancy: A prospective, multicenter study.
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Grimm, David R., Beswick, Daniel M., Maoz, Sabrina L., Wang, Eric W., Choby, Garret W., Kuan, Edward C., Chan, Erik P., Adappa, Nithin D., Geltzeiler, Mathew, Getz, Anne E., Humphreys, Ian M., Le, Christopher H., Abuzeid, Waleed M., Chang, Eugene H., Jafari, Aria, Kingdom, Todd T., Kohanski, Michael A., Lee, Jivianne K., Nayak, Jayakar V., and Palmer, James N.
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- 2024
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3. Akt activator SC79 stimulates antibacterial nitric oxide generation in human nasal epithelial cells in vitro.
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Lee, Robert J., Adappa, Nithin D., and Palmer, James N.
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- 2024
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4. The Utility of a "Second-Look" Debridement Following Endonasal Skull Base Surgery in the Pediatric Population.
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Chang, Michael T., Huang, Alice E., Quon, Jennifer L., Fernandez-Miranda, Juan C., Wen, Christopher Z., Eide, Jacob G., Kshirsagar, Rijul S., Qian, Z Jason, Nayak, Jayakar V., Hwang, Peter H., Adappa, Nithin D., and Patel, Zara M.
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SKULL surgery ,CHILD patients ,PEDIATRIC surgery ,DEBRIDEMENT ,SKULL base ,REOPERATION - Abstract
Background Sinonasal debridement is typically performed in the weeks following endonasal skull base surgery (ESBS). In the pediatric population, this second-look procedure may require general anesthesia; however, there is currently little evidence assessing the benefit of this practice. Methods This was a multicenter retrospective study of pediatric patients (age <18 years) undergoing a planned second-look debridement under general anesthesia following ESBS. Intraoperative findings, interventions performed, and perioperative complications were reviewed. Multivariate regression analysis was performed to identify associations between intraoperative findings and clinical factors. Results We reviewed 69 cases of second-look debridements (age mean 8.6 ± 4.2 years, range: 2–18 years), occurring a mean of 18.3 ± 10.3 days following ESBS. All abnormal findings were noted in patients age ≤12 years. Synechiae were noted in 8.7% of cases, bacterial rhinosinusitis in 2.9%, and failed reconstruction with cerebrospinal fluid leak in 4.5% (two cases of flap malposition and one case of flap necrosis). All failed reconstructions were noted following expanded endonasal cases for craniopharyngioma, and in each case, a revision reconstruction was performed during the second-look surgery. Synechiae were not significantly associated with younger age, revision cases, or cases with reconstructive flaps. There were no perioperative complications. Conclusion Second-look debridement under general anesthesia may be useful in the identification and intervention of sinonasal pathology following endoscopic skull base surgery, particularly in children ≤12 years old or those with pedicled flap reconstructions. Larger controlled studies are warranted to validate this practice and refine indications and timing of this second procedure. [ABSTRACT FROM AUTHOR]
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- 2024
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5. Endoscopic Repair of Anterior Skull Base Cerebrospinal Fluid Leaks is Successful in Frail Patients.
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Eide, Jacob G., Kshirsagar, Rijul S., Wen, Chris, Qatanani, Anas, Harris, Jacob, Sellers, Lauren, Abello, Eric H., Douglas, Jennifer E., Palmer, James N., Adappa, Nithin D., and Kuan, Edward C.
- Abstract
Objective: Surgical frailty estimates a patient's ability to withstand the physiologic stress of an intervention. There is limited data regarding the impact of frailty on endoscopic cerebrospinal fluid (CSF) leak repair. Methods: Patients undergoing CSF leak repair at two tertiary academic skull base programs were retrospectively reviewed. Demographic, treatment, and postoperative outcomes data were recorded. Frailty was calculated using validated indices, including the American Society of Anesthesiologists (ASA) classification, Charlson Comorbidity Index (CCI), and the Modified 5‐Item Frailty Index (mFI‐5). Outcomes included 30‐day medical and surgical complications and readmission. Results: A total of 185 patients were included with 128 (69.2%) female patients and average age of 54 ± 14 years. The average body mass index was 34.6 ± 8.5. The most common identified etiology was idiopathic intracranial hypertension (IIH) in 64 patients (34.6%). A total of 125 patients (68%) underwent perioperative lumbar drain placement (primarily to measure intracranial pressures and diagnose IIH). Most patients were ASA class 3 (48.6%) with mean CCI 2.14 ± 2.23 and mFI‐5 0.97 ± 0.90. Three patients had postoperative CSF leaks, with an overall repair success rate of 98.4%. There was no association between increased frailty and 30‐day medical outcomes, surgical outcomes, or readmission (all p > 0.05). Conclusions: Endoscopic CSF leak repair in a frail population, including lumbar drain placement and bed rest, was not associated with an increased rate of complications. Previous data suggests increased complications in open craniotomy procedures in patients with significant comorbidities. This study suggests that the endoscopic approach to CSF leak repair is well tolerated in the frail population. Level of Evidence: IV Laryngoscope, 134:2713–2717, 2024 [ABSTRACT FROM AUTHOR]
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- 2024
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6. Effects of Akt Activator SC79 on Human M0 Macrophage Phagocytosis and Cytokine Production.
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Lee, Robert J., Adappa, Nithin D., and Palmer, James N.
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BITTERNESS (Taste) ,PATTERN perception receptors ,PHAGOCYTOSIS ,SMALL molecules ,EPITHELIAL cells ,MACROPHAGES ,FLUORESCENT probes ,COMPLEMENT receptors - Abstract
Akt is an important kinase in metabolism. Akt also phosphorylates and activates endothelial and neuronal nitric oxide (NO) synthases (eNOS and nNOS, respectively) expressed in M0 (unpolarized) macrophages. We showed that e/nNOS NO production downstream of bitter taste receptors enhances macrophage phagocytosis. In airway epithelial cells, we also showed that the activation of Akt by a small molecule (SC79) enhances NO production and increases levels of nuclear Nrf2, which reduces IL-8 transcription during concomitant stimulation with Toll-like receptor (TLR) 5 agonist flagellin. We hypothesized that SC79's production of NO in macrophages might likewise enhance phagocytosis and reduce the transcription of some pro-inflammatory cytokines. Using live cell imaging of fluorescent biosensors and indicator dyes, we found that SC79 induces Akt activation, NO production, and downstream cGMP production in primary human M0 macrophages. This was accompanied by a reduction in IL-6, IL-8, and IL-12 production during concomitant stimulation with bacterial lipopolysaccharide, an agonist of pattern recognition receptors including TLR4. Pharmacological inhibitors suggested that this effect was dependent on Akt and Nrf2. Together, these data suggest that several macrophage immune pathways are regulated by SC79 via Akt. A small-molecule Akt activator may be useful in some infection settings, warranting future in vivo studies. [ABSTRACT FROM AUTHOR]
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- 2024
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7. Plasma circulating tumor DNA testing in the management of HPV‐associated sinonasal and nasopharyngeal tumors.
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Im, Eunice, Kuan, Edward C., Adappa, Nithin D., Patel, Anil, and Chapurin, Nikita
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- 2024
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8. Utility of a LangChain and OpenAI GPT‐powered chatbot based on the international consensus statement on allergy and rhinology: Rhinosinusitis.
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Workman, Alan D., Rathi, Vinay K., Lerner, David K., Palmer, James N., Adappa, Nithin D., and Cohen, Noam A.
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- 2024
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9. Predictive factors for decreased baseline quality of life in patients with sinonasal malignancies.
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Fleseriu, Cara M., Beswick, Daniel M., Maoz, Sabrina L., Hwang, Peter H., Choby, Garret, Kuan, Edward C., Chan, Erik P., Adappa, Nithin D., Geltzeiler, Mathew, Getz, Anne E., Humphries, Ian M., Le, Christopher H., Abuzeid, Waleed M., Chang, Eugene H., Jafari, Aria, Kingdom, Todd T., Kohanski, Michael A., Lee, Jivianne K., Nabavizadeh, Seyed A., and Nayak, Jayakar V.
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- 2024
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10. Integrated Molecular and Histological Insights for Targeted Therapies in Mesenchymal Sinonasal Tract Tumors.
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Hoch, Cosima C., Knoedler, Leonard, Knoedler, Samuel, Bashiri Dezfouli, Ali, Schmidl, Benedikt, Trill, Anskar, Douglas, Jennifer E., Adappa, Nithin D., Stögbauer, Fabian, and Wollenberg, Barbara
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Purpose of Review: This review aims to provide a comprehensive overview of mesenchymal sinonasal tract tumors (STTs), a distinct subset of STTs. Despite their rarity, mesenchymal STTs represent a unique clinical challenge, characterized by their rarity, often slow progression, and frequently subtle or overlooked symptoms. The complex anatomy of the sinonasal area, which includes critical structures such as the orbit, brain, and cranial nerves, further complicates surgical treatment options. This underscores an urgent need for more advanced and specialized therapeutic approaches. Recent Findings: Advancements in molecular diagnostics, particularly in next-generation sequencing, have significantly enhanced our understanding of STTs. Consequently, the World Health Organization has updated its tumor classification to better reflect the distinct histological and molecular profiles of these tumors, as well as to categorize mesenchymal STTs with greater accuracy. The growing understanding of the molecular characteristics of mesenchymal STTs opens new possibilities for targeted therapeutic interventions, marking a significant shift in treatment paradigms. Summary: This review article concentrates on mesenchymal STTs, specifically addressing sinonasal tract angiofibroma, sinonasal glomangiopericytoma, biphenotypic sinonasal sarcoma, and skull base chordoma. These entities are marked by unique histopathological and molecular features, which challenge conventional treatment approaches and simultaneously open avenues for novel targeted therapies. Our discussion is geared towards delineating the molecular underpinnings of mesenchymal STTs, with the objective of enhancing therapeutic strategies and addressing the existing shortcomings in the management of these intricate tumors. [ABSTRACT FROM AUTHOR]
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- 2024
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11. Secondary Repair of Iatrogenic Cerebrospinal Fluid Leak during Functional Endoscopic Sinus Surgery in a Tertiary-Care Center.
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Lerner, David K., Chesnais, Helene, Workman, Alan D., Douglas, Jennifer E., Kohanski, Michael A., Palmer, James N., and Adappa, Nithin D.
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RHINORRHEA ,CEREBROSPINAL fluid leak ,ENDOSCOPIC surgery ,ALLERGIC fungal sinusitis ,IATROGENIC diseases - Abstract
This article discusses the secondary repair of iatrogenic cerebrospinal fluid (CSF) leaks during functional endoscopic sinus surgery (FESS) in a tertiary-care center. The study included 12 patients who underwent secondary repair of CSF leaks. The average time from initial surgery to presentation at the institution was 8.25 days, and CSF leaks were recognized intraoperatively in 33.3% of cases. The management included updated CT scans, intravenous ceftriaxone, and operative repair tailored to each patient. Acetazolamide was started postoperatively for patients with a BMI greater than 40, and there were no cases of persistent CSF leaks or meningitis. [Extracted from the article]
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- 2024
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12. Endoscopic Endonasal Approach to Anterior Skull Base Tumor Resection in Young Children.
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Lerner, David K., Castellanos, Mackenzie, Workman, Alan D., Kohanski, Michael A., Douglas, Jennifer E., Storm, Phillip B., Palmer, James N., and Adappa, Nithin D.
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TUMOR surgery ,SKULL base ,SKULL tumors ,CHILD patients - Abstract
This article discusses the use of an endoscopic endonasal approach (EEA) for the resection of anterior skull base tumors in young children. Traditionally, these tumors have been treated with open craniotomy, but the EEA has become more common in pediatric patients. The article reviews a retrospective study of ten patients aged 5 or younger who underwent EEA for tumor resection. The results showed that the EEA was safe and effective, with successful reconstruction of the skull base in all cases. Further research is needed to evaluate the EEA in this population. [Extracted from the article]
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- 2024
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13. Impact of Patient Demographics and Socioeconomic Status on Surgical Outcomes in Endonasal Endoscopic Pituitary Surgery.
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Blue, Rachel, Miranda, Stephen P., Ajmera, Sonia, Kumar, Nankee, Alexis, Maya, Heman-Ackah, Sabrina, Salwi, Sanjana, Palmer, James N., Adappa, Nithin D., Lee, John Y.K., Grady, M. Sean, Yoshor, Daniel, and Jackson, Christina
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ENDOSCOPIC surgery ,SOCIOECONOMIC status ,INCOME - Abstract
This article explores the impact of patient demographics and socioeconomic status on surgical outcomes in endonasal endoscopic pituitary surgery. The study reviewed 187 patients who underwent this surgery between 2017 and 2019. The findings revealed that male patients were more likely to have larger tumors and higher comorbidity scores, while Hispanic patients had smaller tumors and lower comorbidity scores. Black patients experienced longer hospital stays, higher costs, and higher rates of readmission, regardless of income. These results suggest that racial health disparities are not solely due to socioeconomic status and emphasize the importance of considering social determinants of health in clinical practice. [Extracted from the article]
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- 2024
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14. International Consensus Statement on Allergy and Rhinology: Sinonasal Tumors.
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Kuan, Edward C., Wang, Eric W., Adappa, Nithin D., Beswick, Daniel M., London, Nyall R., Su, Shirley Y., Wang, Marilene B., Abuzeid, Waleed M., Alexiev, Borislav, Alt, Jeremiah A., Antognoni, Paolo, Alonso‐Basanta, Michelle, Batra, Pete S., Bhayani, Mihir, Bell, Diana, Bernal‐Sprekelsen, Manuel, Betz, Christian S., Blay, Jean‐Yves, Bleier, Benjamin S., and Bonilla‐Velez, Juliana
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- 2024
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15. Impact of Frailty on Postoperative Outcomes in Extended Endonasal Skull Base Surgery for Suprasellar Pathologies.
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Kshirsagar, Rijul S., Eide, Jacob G., Qatanani, Anas, Harris, Jacob, Abello, Eric H., Roman, Kelsey M., Vasudev, Milind, Jackson, Christina, Lee, John Y.K., Kuan, Edward C., Palmer, James N., and Adappa, Nithin D.
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Objective: Frailty metrics estimate a patient's ability to tolerate physiologic stress and there are limited frailty data in patients undergoing expanded endonasal approaches (EEA) for suprasellar pathologies. Elevated frailty metrics have been associated with increased perioperative complications in patients undergoing craniotomies. We sought to examine this potential relationship in EEA. Study Design: Retrospective cohort study. Setting: Two tertiary academic skull base centers. Methods: Cases of patients undergoing EEA for suprasellar pathologies were reviewed. Demographic, treatment, survival, and postoperative outcomes data were recorded. Frailty was calculated using validated indexes, including the American Society of Anesthesiologists (ASA) classification, the modified 5‐item frailty index (mFI‐5), and the Charlson comorbidity index (CCI). Primary outcomes included 30‐day medical and surgical complications. Results: A total of 88 patients were included, with 59 (67%) female patients and a mean age of 54 ± 15 years. The most common pathologies included 53 meningiomas (60.2%) and 21 craniopharyngiomas (23.9%). Most patients were ASA class 3 (54.5%) with mean mFI‐5 0.82 ± 1.01 and CCI 4.18 ± 2.42. There was no association between increased frailty and 30‐day medical or surgical outcomes (including postoperative cerebrospinal fluid leak), prolonged length of hospital stay, or mortality (all P >.05). Higher mFI‐5 was associated with an increased risk for 30‐day readmission (odds ratio: 2.35, 95% confidence Interval: 1.10‐5.64, P =.04). Conclusion: Despite the patient population being notably frail, we only identified an increased risk for 30‐day readmission and observed no links with deteriorating surgical, medical, or mortality outcomes. This implies that conventional frailty metrics may not effectively align with EEA outcomes. [ABSTRACT FROM AUTHOR]
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- 2024
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16. Multi‐institutional Analysis of Endoscopic Sellar Surgical Volumes During the COVID‐19 Pandemic.
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Salmon, Mandy K., Eide, Jacob G., Kshirsagar, Rijul S., Blue, Rachel, Yoshor, Daniel, Sean Grady, Michael, Lee, John Y.K., Palmer, James N., and Adappa, Nithin D.
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Objective: We sought to quantify trends in operative volumes and complications of endoscopic sellar surgery before and after the COVID‐19 pandemic onset. Study Design: We performed a retrospective analysis. Setting: TriNetX database analysis. Methods: All adults undergoing neuroendoscopy for resection of pituitary tumor (Current Procedural Terminology code 62165) with diagnosis of benign/malignant neoplasm of pituitary gland (D35.2/C75.1) or benign/malignant neoplasm of craniopharyngeal duct (D35.3/C75.2) were included using the TriNetX database for 2 years before (pre‐COVID group) and 2 years after (post‐COVID group) February 17, 2020. Results: A total of 1238 patients in the pre‐COVID group and 1186 patients in the post‐COVID group were compared. Age, gender, and race were statistically similar between the groups (P >.05). Surgical volume decreased by 6% in the post‐COVID group. In 2020 Q2, operative volume decreased by 19%, and in 2021 Q4 (peak COVID‐19 caseload in the United States), operative volumes decreased by 29% compared to 2 years prior. Postoperative complications including meningitis (P =.49), cerebrospinal fluid leak (P =.36), visual field deficits (P =.07), postoperative pneumonia or respiratory failure (P =.42), and 30‐day readmission rates (P =.89) were similar between the 2 groups. Conclusion: Overall, endoscopic sellar surgery may continue to fluctuate with increased COVID‐19 outbreaks. Patient outcomes do not appear to be worsened by decreased operative volumes or delays in nonurgent surgeries. [ABSTRACT FROM AUTHOR]
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- 2024
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17. Combined Transnasal, Transoral Excision of Odontogenic Cysts Offers Reduced Recurrence Rates and Favorable Sinonasal Outcomes.
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Douglas, Jennifer E., Wei, Kimberly, Panara, Kush, Lee, Daniel J., Kohanski, Michael A., Shanti, Rabie M., Panchal, Neeraj, Palmer, James N., and Adappa, Nithin D.
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A study published in the journal Laryngoscope discusses the use of a combined transnasal, transoral approach for the removal of odontogenic cysts. The study found that this approach resulted in reduced recurrence rates and favorable sinonasal outcomes compared to traditional transoral-only approaches. The study included a retrospective review of patients who underwent the combined approach and collected data on demographic information, clinical history, and sinonasal outcomes. The results showed a low recurrence rate and improvement in sinonasal symptoms. The study recommends considering this approach for the management of odontogenic cysts involving the maxillary sinus. [Extracted from the article]
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- 2024
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18. The use of aprepitant for the prevention of postoperative nausea and vomiting in endoscopic transsphenoidal pituitary surgery.
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Lee, Daniel J., Douglas, Jennifer E., Chang, Jeremy, Wilensky, Jadyn, Jackson, Christina, Lee, John Y. K., Grady, Michael Sean, Yoshor, Daniel, Kohanski, Michael A., Palmer, James N., Atkins, Joshua H., and Adappa, Nithin D.
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- 2023
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19. Recurrence patterns among patients with sinonasal mucosal melanoma: A multi‐institutional study.
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Pandrangi, Vivek C., Mace, Jess C., Abiri, Arash, Adappa, Nithin D., Beswick, Daniel M., Chang, Eugene H., Eide, Jacob G., Fung, Nicholas, Hong, Michelle, Johnson, Brian J., Kohanski, Michael A., Kshirsagar, Rijul S., Kuan, Edward C., Le, Christopher H., Lee, Jivianne T., Nabavizadeh, Seyed A., Obermeyer, Isaac P., Palmer, James N., Pinheiro‐Neto, Carlos D., and Smith, Timothy L.
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- 2023
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20. A metagenomic analysis of the virome of inverted papilloma and squamous cell carcinoma.
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Tong, Charles C. L., Lin, Xiang, Seckar, Tyler, Koptyra, Mateusz, Kohanski, Michael A., Cohen, Noam A., Kennedy, David W., Adappa, Nithin D., Papagiannopoulos, Peter, Kuan, Edward C., Baranov, Esther, Jalaly, Jalal B., Feldman, Michael D., Storm, Phillip B., Resnick, Adam C., Palmer, James N., Wei, Zhi, and Robertson, Erle S.
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- 2023
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21. Long‐term quality of life after treatment in sinonasal malignancy: A prospective, multicenter study.
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Maoz, Sabrina L., Wang, Eric W., Hwang, Peter H., Choby, Garret, Kuan, Edward C., Fleseriu, Cara M., Chan, Erik P., Adappa, Nithin D., Geltzeiler, Mathew, Getz, Anne E., Humphreys, Ian M., Le, Christopher H., Abuzeid, Waleed M., Chang, Eugene H., Jafari, Aria, Kingdom, Todd T., Kohanski, Michael A., Lee, Jivianne K., Lazor, Jillian W., and Nabavizadeh, Ali
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- 2023
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22. Orbital resection by intranasal technique (ORBIT): A new classification system for reporting endoscopically resectable primary benign orbital tumors.
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Jafari, Aria, Adappa, Nithin D., Anagnos, Vincent J., Campbell, Raewyn G., Castelnuovo, Paolo, Chalian, Ara, Chambers, Christopher B., Chitguppi, Chandala, Dallan, Iacopo, El Rassi, Edward, Freitag, Suzanne K., Fernandez Miranda, Juan C., Ferreira, Manuel, Gardner, Paul A., Gudis, David A., Harvey, Richard J., Huang, Qian, Humphreys, Ian M., Kennedy, David W., and Lee, John Y. K.
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- 2023
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23. Long‐term aspirin desensitization has mucosal cytokine features of immune tolerance.
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Kohanski, Michael A., Qatanani, Anas, Lin, Cailu, Tan, Li Hui, Chang, Jeremy, Corr, Andrew, Herzberg, Sabrina, Adappa, Nithin D., Palmer, James N., Reed, Danielle R., Bosso, John V., and Cohen, Noam A.
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IMMUNOLOGICAL tolerance ,ALLERGY desensitization ,NASAL polyps ,ASPIRIN ,CYTOKINES ,TH2 cells ,TUMOR necrosis factors - Abstract
This article discusses the long-term effects of aspirin desensitization on the inflammatory response in patients with aspirin-exacerbated respiratory disease (AERD). The study found that after long-term aspirin desensitization, there were significant increases in interferon-gamma (IFN-γ) and interleukin-10 (IL-10), suggesting a shift in the inflammatory response. These cytokines are associated with immune tolerance and may play a role in the mechanism of aspirin desensitization. However, the specific cells producing these cytokines and the role of lipid mediators in aspirin desensitization were not addressed in this study. Further research is needed to understand the cellular context and mechanisms associated with these cytokine shifts. [Extracted from the article]
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- 2024
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24. The benefits and risks of non‐steroidal anti‐inflammatory drugs for postoperative analgesia in sinonasal surgery: a systematic review and meta‐analysis.
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Lee, Daniel J., Grose, Elysia, Brenna, Connor T. A., Philteos, Justine, Lightfoot, David, Kirubalingam, Keshinisuthan, Chan, Yvonne, Palmer, James N., Adappa, Nithin D., and Lee, John M.
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- 2023
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25. The Impact of Delay in Treatment on Survival in Surgically Managed Sinonasal Undifferentiated Carcinoma.
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Qatanani, Anas M., Eide, Jacob G., Harris, Jacob C., Brant, Jason A., Palmer, James N., Adappa, Nithin D., and Kshirsagar, Rijul S.
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TREATMENT delay (Medicine) ,CARCINOMA ,PARANASAL sinuses ,RECURSIVE partitioning ,GOVERNMENT insurance ,SURVIVAL analysis (Biometry) ,PROGRESSION-free survival - Abstract
Background Sinonasal undifferentiated carcinoma (SNUC) is a rare, aggressive malignancy with a poor prognosis, and multimodal therapy is the standard of care. We sought to characterize treatment delays in SNUC managed with surgery and adjuvant radiation and to determine the impact on survival using the National Cancer Database (NCDB). Methods This was a retrospective, population-based cohort study of patients with SNUC between 2004 and 2016 in the NCDB. The intervals of diagnosis to surgery (DTS), surgery to radiation (SRT), and radiation duration (RTD) were examined. Recursive partitioning analysis (RPA) was performed to identify the variables with the greatest impact on survival. The association between treatment delay and overall survival (OS) was then assessed using multivariate Cox proportional hazards regression. Results Of 173 patients who met inclusion criteria, 65.9% were male, average age at diagnosis was 56.6 years, and 5-year OS was 48.1%. Median durations of DTS, SRT, and RTD were 18, 43, and 46 days, respectively. Predictors of treatment delay included Black race, government insurance excluding Medicare/Medicaid, and positive margins. RPA-derived optimal thresholds were 29, 28, and 38 days for DTS, SRT and RTD, respectively. On multivariate analysis, positive margins (hazard ratio [HR]: 4.82; 95% confidence interval [CI]: 2.28–10.2) and DTS less than 29 days (HR: 2.41; 95% CI: 1.23–4.73) were associated with worse OS. Conclusion Our results likely reflect the aggressive nature of the disease with surgeons taking more invasive disease to the operating room more quickly. Median treatment intervals described may serve as relevant national benchmarks. [ABSTRACT FROM AUTHOR]
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- 2023
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26. Incidence of Sinus Inflammation After Endoscopic Skull Base Surgery in the Pediatric Population.
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Henry, Laura E., Eide, Jacob G., Kshirsagar, Rijul S., Tong, Charles C. L., Kuan, Edward C., Poonia, Seerat K., Storm, Phillip B., Palmer, James N., and Adappa, Nithin D.
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Background: The extended endonasal approach has been utilized in the resection of anterior skull base lesions in the pediatric population. There are unique challenges to these patients in the post‐operative setting, including patient compliance with medical therapy and post‐operative debridements, and a smaller nasal airway that may increase propensity toward scarring. Our objective for this study is to evaluate the incidence of post‐operative radiographic inflammation in this patient population using the Lund‐Mackay (LM) score. Methods: A single‐center, retrospective review of pediatric patients undergoing endoscopic approach to the skull base between 2009 and 2021 was performed. Demographic and clinicopathologic data and pre‐ and post‐operative imaging were analyzed. One‐way ANOVA followed by Tukey multiple pairwise comparisons statistical tests were used to compare mean LM scores between groups. Results: Seventy‐two patients (52 males, 20 females) were identified with a median follow‐up of 27 months. All patients underwent an extended endonasal approach for resection of skull base lesions. The mean LM scores were compared between pre‐operative MRI, first post‐operative MRI > 30 days after surgery, and most recent post‐operative MRI. One‐way ANOVA was performed with significant differences noted between the groups (p < 0.001). Tukey multiple pairwise comparisons test was then performed and noted significant differences between the pre‐operative and first post‐operative LM (p < 0.0001) and the first post‐operative and most recent LM (p < 0.0001). There was no significant difference noted between the pre‐operative LM score and most recent LM score (p = 0.14). Conclusion: Despite concerns regarding possible subsequent development of chronic rhinosinusitis following endoscopic skull base surgery in pediatric patients, the current study suggests that transient radiographic evidence of sinus inflammation can be seen up to six months postoperatively, which appears to resolve by approximately two years after surgery. Level of Evidence: 4 Laryngoscope, 133:2014–2017, 2023 [ABSTRACT FROM AUTHOR]
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- 2023
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27. Dupilumab‐related adverse events among patients with chronic rhinosinusitis with nasal polyposis.
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Lee, Daniel J., Cramer, Hannah B., Kshirsagar, Rijul S., Douglas, Jennifer E., Kohanski, Michael A., Palmer, James N., Adappa, Nithin D., and Bosso, John V.
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- 2023
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28. Microbial metabolite succinate activates solitary chemosensory cells in the human sinonasal epithelium.
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Sell, Elizabeth A., Tan, Li Hui, Lin, Cailu, Bosso, John V., Palmer, James N., Adappa, Nithin D., Lee, Robert J., Kohanski, Michael A., Reed, Danielle R., and Cohen, Noam A.
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- 2023
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29. Primary sinonasal lymphoma: A multi‐institutional experience of clinical presentation, treatment, and outcomes.
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Eide, Jacob G., Kshirsagar, Rijul S., Birkenbeuel, Jack L., Abello, Eric H., Hobday, Sara, Herzberg, Sabrina, Wang, Beverly Y., Palmer, James N., Adappa, Nithin D., and Kuan, Edward C.
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- 2023
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30. Readability and quality analysis of patient education materials in aspirin‐exacerbated respiratory disease.
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Panara, Kush, Grose, Elysia, Lee, Daniel J., Safadi, Jenelle, Douglas, Jennifer E., Kohanski, Michael A., Palmer, James N., Lee, John M., Adappa, Nithin D., and Bosso, John V.
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- 2023
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31. Determinants of Patient Refusal of Postoperative Radiation Therapy in Sinonasal Squamous Cell Carcinoma.
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Kshirsagar, Rijul S., Eide, Jacob G., Prasad, Aman, Carey, Ryan M., Rajasekaran, Karthik, Brant, Jason A., Newman, Jason G., Palmer, James N., and Adappa, Nithin D.
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PROPORTIONAL hazards models ,SQUAMOUS cell carcinoma ,PROGRESSION-free survival ,PARANASAL sinuses ,RADIOTHERAPY ,OLDER patients - Abstract
Objectives Although adjuvant radiotherapy may be indicated in patients with sinonasal squamous cell carcinoma (SNSCC) following primary surgery, some patients choose to forgo recommended postoperative radiation therapy (PORT). This study aimed to elucidate factors associated with patient refusal of recommended PORT in SNSCC and examine overall survival. Methods Retrospective analysis of patients with SNSCC treated with primary surgery from the National Cancer Database diagnosed between 2004 and 2016. A multivariable logistic regression model was created to determine the association between clinical or demographic covariates and likelihood of PORT refusal. Unadjusted Kaplan–Meier estimates, log-rank tests, and a multivariable Cox proportional hazard model were used to assess overall survival. Results A total of 2,231 patients were included in the final analysis, of which 1,456 (65.3%) were males and 73 (3.3%) refused recommended PORT. Patients older than 74 years old were more likely to refuse PORT than those younger than 54 (odds ratio [OR] 3.43, 95% confidence interval [CI]: 1.84–6.62). Median survival among the entire cohort, those who received recommended PORT, and those who refused PORT was 83.0 months (95% CI: 74.6–97.1), 83.0 months (95% CI: 74.9–98.2), and 63.6 months (95% CI: 37.3–101.4), respectively. Refusal of PORT was not associated with overall survival (hazard ratio: 0.99, 95% CI: 0.69–1.42). Conclusions PORT refusal in patients with SNSCC is rare and was found to be associated with several patient factors. The decision to forgo PORT is not independently associated with overall survival in this cohort. Further study is required to determine the clinical implications of these findings as the treatment decisions are complex. [ABSTRACT FROM AUTHOR]
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- 2023
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32. Image‐Guided Surgical Device Failures in Functional Endoscopic Sinus Surgery: A MAUDE Analysis.
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Hassanin, Samir W., Kshirsagar, Rijul S., Eide, Jacob G., Chang, Jeremy, Liang, Jonathan, Palmer, James N., and Adappa, Nithin D.
- Abstract
Objective: Image‐guided surgery (IGS) devices have become widely used for anatomic localization during functional endoscopic sinus surgery (FESS). However, there are no studies that analyze the post‐market complications associated with IGS device use during FESS. The objective of this study was to better characterize post‐market complications associated with the use of IGS devices during sinus surgery. Methods: The US Food and Drug Administration's Manufacturer and User Facility Device Experience database was queried for event reports associated with neurological stereotaxic devices utilized in IGS between the dates of January 1, 2016 and December 31, 2020. Medical device reports that were analyzed for this study pertained strictly to FESS. Results: There were 1873 reports involving IGS devices for FESS included in this study. Fifty‐five reports involved adverse events to patients (2.9%) and 1818 (97.1%) involved device malfunctions. Of the adverse events to patients, the most common included cerebrospinal fluid leakage (45.6%), tissue damage (12.7%), and nervous system injury (3.6%). The most commonly reported device malfunction was imprecision (21.1%). Conclusion: IGS devices are widely utilized in FESS. Of the medical device reports between 2016 and 2020, less than 3% resulted in adverse events. Further studies of the infrequent post‐market complications of IGS devices used in FESS can help guide surgeons on the risks of their clinical use. Level of Evidence: 4—Retrospective database survey without controls Laryngoscope, 133:1310–1314, 2023 [ABSTRACT FROM AUTHOR]
- Published
- 2023
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33. In-Hospital Cost Comparison for Open Versus Endoscopic Endonasal Approach for Meningioma Resection.
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Parasher, Arjun K., Lerner, David K., Miranda, Stephen P., Douglas, Jennifer E., Glicksman, Jordan T., Alexander, Tyler, Lin, Theodore, Ebesutani, Darren, Kohanski, Michael, Lee, John Y.K., Storm, Phillip B., O'Malley Jr., Bert W., Yoshor, Daniel, Palmer, James N., Grady, M. Sean, and Adappa, Nithin D.
- Subjects
CONSUMER price indexes ,MENINGIOMA ,SKULL base ,LENGTH of stay in hospitals ,ELECTRONIC health records - Abstract
Objective: To determine the in-hospital cost implications of an endoscopic expanded endonasal approach (EEEA) for meningioma resection relative to the open transcranial approach. Methods: All anterior skull base meningioma surgeries performed over a period from January 1
st , 2015 to October 31th, 2017 were evaluated. The electronic medical record was reviewed for patient factors, tumor characteristics, and cost variables associated with each hospital stay and univariate analysis was performed using R software. All cost data were converted into August 2021-equivalent dollar amounts using the United States Bureau of Labor Statistics consumer price index. Results: Thirty-five patients met study criteria, including 27 patients undergoing an open transcranial approach and 8 undergoing an EEEA. Average length of stay for patients undergoing an open approach was 9.3 days compared to 5.6 within the EEEA group (P =.126). The average total in-hospital cost of patient undergoing an EEEA was $35417.1 compared to $46406.9 among patients undergoing an open transcranial approach (P =.168). On univariate analysis, the cost of an open transcranial approach relative to the EEEA was $10989.8 (P =.411). Conclusions: The open transcranial approach remained the dominant surgical approach to anterior skull base meningiomas over our study time period. However, despite limited patient numbers the EEEA was associated with decreased total in-hospital costs. [ABSTRACT FROM AUTHOR]- Published
- 2023
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34. Genetics of denatonium‐responsive bitter receptors in aspirin‐exacerbated respiratory disease.
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Douglas, Jennifer E., Lin, Cailu, Mansfield, Corrine J., Bell, Katherine, Salmon, Mandy K., Kohanski, Michael A., Adappa, Nithin D., Palmer, James N., Bosso, John V., Reed, Danielle R., and Cohen, Noam A.
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- 2023
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35. The Use of Aprepitant to Reduce Postoperative Nausea and Vomiting in Endoscopic Transsphenoidal Pituitary Surgery.
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Lee, Daniel J., Douglas, Jennifer E., Chang, Jeremy, Kohanski, Michael A., Palmer, James N., and Adappa, Nithin D.
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POSTOPERATIVE nausea & vomiting ,SURGERY - Published
- 2023
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36. Combined Transnasal, Transmaxillary Endoscopic Approach to a Large Pterygopalatine Fossa Schwannoma.
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Douglas, Jennifer E., Lee, Daniel J., Kohanski, Michael A., Adappa, Nithin D., and Palmer, James N.
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- 2023
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37. The Impact of Preoperative Frailty on Endoscopic Cerebrospinal Fluid Leak Repair Outcomes in the Anterior Skull Base.
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Eide, Jacob G., Kshirsagar, Rijul S., Wen, Chris, Qatanani, Anas, Harris, Jacob, Abello, Eric H., Kuan, Edward C., Palmer, James N., and Adappa, Nithin D.
- Subjects
CEREBROSPINAL fluid leak ,SKULL base ,RHINORRHEA ,FRAILTY - Published
- 2023
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38. Comparison of In-Hospital Costs for Expanded Endonasal Approaches and Craniotomy for Anterior Skull Base Tumors.
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Parasher, Arjun K., Lerner, David K., Miranda, Stephen P., Douglas, Jennifer E., Glicksman, Jordan T., Alexander, Tyler, Lin, Theodore, Kohanski, Michael, Lee, John, Storm, Phillip B., Yoshor, Daniel, Palmer, James N., Grady, M. Sean, and Adappa, Nithin D.
- Subjects
SKULL tumors ,CRANIOTOMY ,SKULL base ,COST - Published
- 2023
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39. Utilizing the Off-Target Effects of T1R3 Antagonist Lactisole to Enhance Nitric Oxide Production in Basal Airway Epithelial Cells.
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McMahon, Derek B., Jolivert, Jennifer F., Kuek, Li Eon, Adappa, Nithin D., Palmer, James N., and Lee, Robert J.
- Abstract
Human airway sweet (T1R2 + T1R3), umami (T1R1 + T1R3), and bitter taste receptors (T2Rs) are critical components of the innate immune system, acting as sensors to monitor pathogenic growth. T2Rs detect bacterial products or bitter compounds to drive nitric oxide (NO) production in both healthy and diseased epithelial cell models. The NO enhances ciliary beating and also directly kills pathogens. Both sweet and umami receptors have been characterized to repress bitter taste receptor signaling in healthy and disease models. We hypothesized that the sweet/umami T1R3 antagonist lactisole may be used to alleviate bitter taste receptor repression in airway basal epithelial cells and enhance NO production. Here, we show that lactisole activates cAMP generation, though this occurs through a pathway independent of T1R3. This cAMP most likely signals through EPAC to increase ER Ca
2+ efflux. Stimulation with denatonium benzoate, a bitter taste receptor agonist which activates largely nuclear and mitochondrial Ca2+ responses, resulted in a dramatically increased cytosolic Ca2+ response in cells treated with lactisole. This cytosolic Ca2+ signaling activated NO production in the presence of lactisole. Thus, lactisole may be useful coupled with bitter compounds as a therapeutic nasal rinse or spray to enhance beneficial antibacterial NO production in patients suffering from chronic inflammatory diseases such as chronic rhinosinusitis. [ABSTRACT FROM AUTHOR]- Published
- 2023
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40. Savory Signaling: T1R Umami Receptor Modulates Endoplasmic Reticulum Calcium Store Content and Release Dynamics in Airway Epithelial Cells.
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McMahon, Derek B., Jolivert, Jennifer F., Kuek, Li Eon, Adappa, Nithin D., Palmer, James N., and Lee, Robert J.
- Abstract
T1Rs are expressed in solitary chemosensory cells of the upper airway where they detect apical glucose levels and repress bitter taste receptor Ca
2+ signaling pathways. Microbial growth leads to a decrease in apical glucose levels. T1Rs detect this change and liberate bitter taste receptor signaling, initiating an innate immune response to both kill and expel pathogens through releasing antimicrobial peptides and increasing nitric oxide production and ciliary beat frequency. However, chronic inflammation due to disease, smoking, or viral infections causes a remodeling of the epithelial airway. The resulting squamous metaplasia causes a loss of multi-ciliated cells and solitary chemosensory cells, replaced by basal epithelial cells. To understand how T1R function is altered during disease, we used basal epithelial cells as a model to study the function of T1R3 on Ca2+ signaling dynamics. We found that both T1R1 and T1R3 detect amino acids and signal via cAMP, increasing the responsiveness of the cells to Ca2+ signaling stimuli. Either knocking down T1R1/3 or treating wild-type cells with MEM amino acids caused a reduction in ER Ca2+ content through a non-cAMP signaled pathway. Treatment with amino acids led to a reduction in downstream denatonium-induced Ca2+ -signaled caspase activity. Thus, amino acids may be used to reduce unwanted apoptosis signaling in treatments containing bitter compounds. [ABSTRACT FROM AUTHOR]- Published
- 2023
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41. Loss of CFTR function is associated with reduced bitter taste receptor-stimulated nitric oxide innate immune responses in nasal epithelial cells and macrophages.
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Carey, Ryan M., Palmer, James N., Adappa, Nithin D., and Lee, Robert J.
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BITTERNESS (Taste) ,EPITHELIAL cells ,CYSTIC fibrosis transmembrane conductance regulator ,IMMUNE response ,NITRIC oxide - Abstract
Introduction: Bitter taste receptors (T2Rs) are G protein-coupled receptors identified on the tongue but expressed all over the body, including in airway cilia and macrophages, where T2Rs serve an immune role. T2R isoforms detect bitter metabolites (quinolones and acyl-homoserine lactones) secreted by gram negative bacteria, including Pseudomonas aeruginosa, a major pathogen in cystic fibrosis (CF). T2R activation by bitter bacterial products triggers calcium-dependent nitric oxide (NO) production. In airway cells, the NO increases mucociliary clearance and has direct antibacterial properties. In macrophages, the same pathway enhances phagocytosis. Because prior studies linked CF with reduced NO, we hypothesized that CF cells may have reduced T2R/NO responses, possibly contributing to reduced innate immunity in CF. Methods: Immunofluorescence, qPCR, and live cell imaging were used to measure T2R localization, calcium and NO signaling, ciliary beating, and antimicrobial responses in air-liquid interface cultures of primary human nasal epithelial cells and immortalized bronchial cell lines. Immunofluorescence and live cell imaging was used to measure T2R signaling and phagocytosis in primary human monocyte-derived macrophages. Results: Primary nasal epithelial cells from both CF and non-CF patients exhibited similar T2R expression, localization, and calcium signals. However, CF cells exhibited reduced NO production also observed in immortalized CFBE41o-CF cells and non-CF 16HBE cells CRISPR modified with CF-causing mutations in the CF transmembrane conductance regulator (CFTR). NO was restored by VX-770/VX-809 corrector/potentiator pre-treatment, suggesting reduced NO in CF cells is due to loss of CFTR function. In nasal cells, reduced NO correlated with reduced ciliary and antibacterial responses. In primary human macrophages, inhibition of CFTR reduced NO production and phagocytosis during T2R stimulation. Conclusions: Together, these data suggest an intrinsic deficiency in T2R/NO signaling caused by loss of CFTR function that may contribute to intrinsic susceptibilities of CF patients to P. aeruginosa and other gram-negative bacteria that activate T2Rs. [ABSTRACT FROM AUTHOR]
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- 2023
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42. A National Cancer Database Analysis of Sinonasal Malignant Myoepithelial Carcinoma Outcomes.
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Eide, Jacob G., Kshirsagar, Rijul S., Brant, Jason A., Palmer, James N., and Adappa, Nithin D.
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PARANASAL sinuses ,PROPORTIONAL hazards models ,MAXILLARY sinus ,NASAL cavity - Abstract
Objectives: Myoepithelial carcinoma (MECA) is a rare salivary gland tumor that can occur in the sinonasal cavity with poor outcomes. There are limited data on sinonasal outcomes to guide management. We sought to use the National Cancer Database (NCDB) to better define treatment outcomes in MECA. Methods: We conducted a retrospective analysis of the NCDB from 2004 to 2016 for patients with MECA of the sinonasal cavity. Patient demographic, treatment, and survival information were extracted from the database. Unadjusted Kaplan–Meier estimates, log-rank tests, and a multivariable Cox proportional hazard model were used to assess overall survival (OS). Results: A total of 38 patients were included. The average age was 60.7 ± 18.2 years and male patients represented 47.4% of the cohort. Most patients were White (n = 26, 68.4%) and the majority of patients had either private insurance (n = 20, 52.6%) or Medicare (n = 15, 39.5%). The primary site of most tumors was nasal cavity (n = 19, 50%), followed by maxillary sinus (n = 16, 42.1%). Most tumors were >4 cm (n = 17, 44.7%). The 1-, 5-, and 10-year OS was 89.7% (95% confidence interval [CI]: 80.7%−99.8%), 63.6% (95% CI: 49.4%−82%), and 46.4% (95% CI: 31%−69.5%), respectively. The median survival for the overall cohort was 85.8 months. Medicare insurance was associated with a decreased OS (hazard ratio [HR]: 8.2; 95% CI: 2.88−23.4, P <.001). Patients who underwent surgery had a significant survival benefit (HR: 0.04, 95% CI: 0.01−0.21, P <.001). Discussion: MECA of the sinonasal cavity is a rare tumor with poorly understood behavior. Data from the NCDB suggests that it is a relatively aggressive tumor with surgical management associated with better outcomes. This analysis is limited by the small sample size and further research into optimal treatment regimens is needed. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
43. In‐Hospital Costs for Open versus Endoscopic Endonasal Approach for Craniopharyngioma Resection.
- Author
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Parasher, Arjun K, Lerner, David K, Miranda, Stephen P., Douglas, Jennifer E., Glicksman, Jordan T, Alexander, Tyler, Lin, Theodore, Ebesutani, Darren, Kohanski, Michael, Lee, John YK, Storm, Phillip B, O'Malley, Bert W, Yoshor, Daniel, Palmer, James N, Grady, M Sean, and Adappa, Nithin D
- Abstract
Objective: To determine the in‐hospital cost implications of an expanded endoscopic endonasal approach (EEEA) for craniopharyngioma resection relative to the traditional open transcranial approach. Methods: All craniopharyngioma surgeries performed at a single institution over a period from January 1st 2001 to October 31th 2017 were evaluated. The electronic medical record was reviewed for patient factors, tumor characteristics, and cost variables associated with each hospital stay and univariate regression analysis was performed using R software. Results: Thirty‐six patients met study criteria, including 22 undergoing an open approach and 14 undergoing an EEEA. There was a significantly longer average length of stay among patients undergoing open resection (21.5 vs. 10.6 days, p = 0.024). The average total in‐hospital cost of a patient undergoing an EEEA was $58979.3 compared to $89142.3 for an open approach (p = 0.127). On univariate regression analysis, the total in‐hospital cost for a patient undergoing an open approach relative to an EEEA was $30163.0 (p = 0.127). The open approach was exclusively performed from study onset until April 2010 (16 patients). From April 2010 to August 2013, 6 open approaches and 5 EEEA were performed. The EEEA has been exclusively performed from August 2013 until the conclusion of our study period (9 patients). Conclusions: There has been a shift toward surgical resection of craniopharyngioma via an EEEA approach for amenable tumors. Our study demonstrates that the EEEA has become the preferred surgical approach at our institution, and shows that the EEEA is associated with shorter postoperative length of stay and lower total in‐hospital cost. Laryngoscope, 133:83–87, 2023 [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
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44. Postoperative protocols following endoscopic skull base surgery: An evidence‐based review with recommendations.
- Author
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Abiri, Arash, Patel, Tirth R., Nguyen, Emily, Birkenbeuel, Jack L., Tajudeen, Bobby A., Choby, Garret, Wang, Eric W., Schlosser, Rodney J., Palmer, James N., Adappa, Nithin D., and Kuan, Edward C.
- Published
- 2023
- Full Text
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45. Dupilumab Adverse Events in Nasal Polyp Treatment: Analysis of FDA Adverse Event Reporting System.
- Author
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Swisher, Austin R., Kshirsagar, Rijul S., Adappa, Nithin D., and Liang, Jonathan
- Abstract
Objectives: Dupilumab was the first biologic approved to treat chronic rhinosinusitis with nasal polyps (CRSwNP). While the risk of adverse events in phase-III clinical trials was low, dupilumab-associated adverse reactions (DAR) with real-world use is unknown and potentially under-reported. We aimed to evaluate DAR for CRSwNP treatment (CRSwNP-tx) using the FDA Adverse Event Reporting System (FAERS). Study Design: Retrospective database study. Methods: FAERS was queried for DAR from 2019Q1 to 2021Q2. Individual DAR (iDAR) were categorized and quantitatively compared between treatment groups (CRSwNP, asthma, atopic dermatitis). Zero-truncated Poisson regression was modeled to predict the number of iDAR, and logistic regression was modeled to predict serious DARs. Results: There were 15,411 DAR observations; 911 for CRSwNP-tx, of which 121 (13.3%) had serious reactions and 3 died. Common CRSwNP-tx iDAR were dermatologic (13.9%), generalized (13.3%), and injection-site (10.8%) symptoms. The number of CRSwNP-tx iDAR was 2.99 [2.81, 3.17], compared to 3.44 [3.32, 3.56] for asthma and 3.18 [3.13, 3.24] for atopic dermatitis (Kruskal-Wallis test, P < .001). For CRSwNP-tx, iDAR reported-risk-ratio was 0.84 [0.77, 0.92] among men and 1.12 [1.04, 1.22] among older adults (>50). Serious DAR reported-odds-ratio was 1.37 [0.91, 2.04] among men and 1.39 [0.93, 2.08] among older adults. Conclusions: While there are limitations with FAERS, this analysis suggests CRSwNP-tx is associated with fewer iDAR compared with other treatment indications. More iDAR are experienced among women and older adults, but men tend to have more serious DAR. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
46. Outcomes of endoscopic endonasal resection of pediatric craniopharyngiomas.
- Author
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Patel, Tapan D., Rullan‐Oliver, Bianca, Ungerer, Heather, Storm, Phillip B., Kohanski, Michael A., Adappa, Nithin D., and Palmer, James N.
- Published
- 2022
- Full Text
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47. Multi‐institutional review of sinonasal and skull base chondrosarcoma: 20‐year experience.
- Author
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Eide, Jacob G., Kshirsagar, Rijul S., Harris, Jacob C., Civantos, Alyssa, Brody, Robert M., Lee, John Y. K., Alonso‐Basanta, Michelle, Lazor, Jillian W., Nabavizadeh, Ali, Wang, Beverly Y., Kuan, Edward C., Palmer, James N., and Adappa, Nithin D.
- Subjects
SKULL base ,PARANASAL sinuses ,CHONDROSARCOMA ,REOPERATION ,SURVIVAL rate - Abstract
Background: Chondrosarcomas of the sinonasal cavity and skull base are uncommon malignancies. We sought to provide long‐term outcomes at two tertiary care centers. Methods: Patients with chondrosarcoma treated between 2000 and 2021 were included. The primary outcomes were overall survival (OS) and disease‐specific survival (DSS). Results: Thirty‐eight patients met inclusion criteria. Fourteen patients had sinonasal (36.8%), 7 petroclival (18.4%), and 17 other primary skull base lesions (44.7%). Twenty‐eight patients (73.7%) underwent radiation with an average dose of 67.3 ± 15.1 Gy. Eighteen patients (47.4%) required revision surgery for recurrence. 1, 5, and 10‐year OS were 97.3%, 93.1%, and 74.7%. DSS at 5‐ and 10‐year survival was 95.7%. Adjuvant radiation was associated with improved OS (HR: 0.12; 95% CI: 0.02–0.75, p = 0.023). Conclusion: We present our experience over the last 20 years treating chondrosarcomas. Favorable survival outcomes can be achieved but recurrence requiring repeat resection is common. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
48. Odontogenic Sinusitis is a Common Cause of Operative Extra-Sinus Infectious Complications.
- Author
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Douglas, Jennifer E., Patel, Tapan, Rullan-Oliver, Bianca, Ungerer, Heather, Hinh, Lisa, Peterson, Edward L., Kohanski, Michael A., Kennedy, David W., Palmer, James N., Adappa, Nithin D., and Craig, John R.
- Subjects
MAXILLARY sinus diseases ,SINUSITIS ,OSTEOMYELITIS ,MAXILLARY sinus - Abstract
Background: Orbital, intracranial, and osseous extra-sinus complications can arise from bacterial or fungal sinusitis. Odontogenic sinusitis (ODS) can cause extra-sinus complications, but its prevalence remains poorly characterized. Objective: To determine the frequency of ODS as a cause of operative extra-sinus infectious complications and describe clinical features of all complicated sinusitis cases. Methods: A multi-institutional retrospective review was performed on all operative sinusitis-related extra-sinus complications from 2011 to 2020. ODS was diagnosed by sinus computed tomography (CT) and dental evaluations when available. Demographics, complication types, sinusitis etiologies, and various clinical features were analyzed. Results: Forty-five patients were included (mean age 55.5 years, 56% male). Of the extra-sinus complications, 40% were orbital only, 22% intracranial only, 13% osseous only, and 25% involved combined complications. The 2 most common causes of extra-sinus complications were ODS (40%) and mucopyocele (27%). When invasive fungal etiologies were excluded, and only unilateral maxillary opacification on CT was considered, nearly 60% of extra-sinus complications were due to ODS. Unilateral maxillary sinus opacification on CT was present in 100% of complicated ODS compared to 44% of nonodontogenic cases, and oral anaerobes were only identified in ODS cases. No complicated ODS patients underwent dental interventions during hospitalization. Conclusion: ODS was the most common cause of operative extra-sinus infectious complications. Clinicians should consider ODS high on the differential diagnosis of all patients presenting with complicated sinusitis, especially when sinusitis is unilateral and invasive fungal infection is not suspected. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
49. Sinonasal Acinic Cell Carcinoma: A Review of the National Cancer Database.
- Author
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Kshirsagar, Rijul S., Eide, Jacob G., Brant, Jason A., Palmer, James N., and Adappa, Nithin D.
- Subjects
PARANASAL sinuses ,SPHENOID sinus ,PROPORTIONAL hazards models ,MAXILLARY sinus ,NASAL cavity - Abstract
Background: Acinic cell carcinoma (ACC) is a salivary gland malignancy that rarely can involve the sinonasal cavity. There are limited outcomes data available to guide management. Objective: We sought to use the National Cancer Database (NCDB) to characterize treatment outcomes in sinonasal ACC. Methods: A retrospective analysis of the NCDB from 2004 to 2016 for patients with ACC involving the sinonasal cavity was conducted. Demographic, treatment, and survival information were obtained. Unadjusted Kaplan-Meier estimates, log-rank tests, and a multivariable Cox proportional hazard model were used to assess overall survival (OS). Results: A total of 28 patients were included in the analysis with an average age of 58.6 ± 15.5 years. Half the patients (n = 14, 50%) were male, mostly white (n = 23, 82.1%), and with private insurance (n = 16, 57.1%). The nasal cavity was the most common subsite (n = 18, 64.3%), followed by the maxillary sinus (n = 5, 17.9%). Most patient received surgery alone (n = 17, 60.7%), with the remaining patients undergoing surgery followed by radiation (n = 8, 28.6%), radiation alone (n = 1, 3.6%), and no treatment (n = 2, 7.1%). The 1-, 5-, and 10-year survival in this cohort was 100% (95% CI: 100%–100%), 84.3% (95% CI: 71.2%–99.7%), and 72.2% (95% CI: 55%–94.8%), respectively. On multivariate analysis, older age was associated with worse OS (hazard ratio (HR): 1.27; 95% CI: 1.11–1.46, P <.001). Disease of the sphenoid sinus correlated with worse survival (HR: 198, 95% CI: 10.4–3,739, P <.001) and large tumor size was associated with worse OS on log-rank test, but not on multivariate analysis. Conclusion: Sinonasal ACC is a rare entity with relatively good long-term outcomes. Older age and primary disease of the sphenoid sinus are associated with worse outcomes. Most patients are treated with surgical resection. Future research is needed to assess the optimal timing and indications for radiation therapy. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
50. In-Hospital Costs Associated With an Expanded Endonasal Approach to Anterior Skull Base Tumors.
- Author
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Parasher, Arjun K., Lerner, David K., Glicksman, Jordan T., Lin, Theodore, Miranda, Stephen P., Ebesutani, Darren, Kohanski, Michael, Lee, John Y. K., Storm, Phillip B., O'Malley Jr., Bert W., Yosher, Daniel, Palmer, James N., Grady, Sean, and Adappa, Nithin D.
- Subjects
STATISTICS ,CEREBROSPINAL fluid leak ,CONFIDENCE intervals ,NEUROSURGERY ,ENDOSCOPIC surgery ,DIABETES insipidus ,HOSPITAL costs ,MEDICAL care costs ,SURGERY practice ,ACQUISITION of data ,SURGICAL complications ,COST control ,NASAL septum ,MENINGIOMA ,MEDICAL records ,PITUITARY tumors ,DESCRIPTIVE statistics ,SKULL base ,DATA analysis software ,WHITE people ,SKULL tumors ,ENDOSCOPY ,MEDICAL specialties & specialists ,AFRICAN Americans - Abstract
Objective: To determine in-hospital costs associated with performing an EEA to anterior skull base pathology and to identify drivers of cost variability for patients undergoing endoscopic anterior skull base surgery. Methods: All endoscopic anterior skull base surgeries performed over a period from January 1st, 2015 to October 24th, 2017 were evaluated. The electronic medical record was reviewed for patient factors, tumor characteristics, and cost variables associated with each hospital stay and univariate analysis was performed using Stata software. Results: An EEA was associated with an average total in-hospital cost of $44 545. Compared to patients undergoing a transsphenoidal approach to pituitary tumor resection, EEA patients incurred higher in-hospital costs across all variables including a total cost increase of $15 921 (95% confidence interval $5720-26 122, P =.002). Univariate analysis of all endoscopic anterior skull base surgery patients showed a cost increase of $30 616 associated with post-operative cerebrospinal fluid (CSF) leak ($10 420-50 811, P =.004), $14 610 with post-operative diabetes insipidus (DI) ($4610-24 609, P =.004), and $11 522 with African-American patients relative to Caucasian patients ($3049-19 995, P =.008). Conclusions: Patients who undergo endoscopic EEA for resection of anterior skull base tumors typically incur greater in-hospital costs than patients undergoing a standard TSA. Post-operative complications such as CSF leak and DI, as well as ethnicity, are significant drivers of cost-variability. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
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