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Acquired sensorineural hearing loss,oxidative stress,and microRNAs

Neural Regeneration Research 2025年第9期20卷 2513-2519页

作者： Desmond A.Nunez Ru C.Guo Division of otolaryngology–head&neck surgery Department of SurgeryFaculty of MedicineThe University of British ColumbiaVancouverBCCanada Division of otolaryngology–head&neck surgery Gordon&Leslie Diamond Health Care CentreVancouver General HospitalVancouverBCCanada Faculty of Medicine–The University of British Columbia VancouverBCCanada

Hearing loss is the third leading cause of human ***-related hearing loss,one type of acquired sensorineural hearing loss,is largely responsible for this escalating global health ***-induced,ototoxic,and idiopathic sudden sensorineural are other less common types of acquired hearing *** etiology of these conditions is complex and multi-fa ctorial involving an interplay of genetic and environmental *** stress has recently been proposed as a likely linking cause in most types of acquired sensorineural hearing *** non-coding RNA sequences known as microRNAs(miRNAs)have increasingly been shown to play a role in cellular hypoxia and oxidative stress responses including promoting an apoptotic *** hair cell death is a central histopathological finding in sensorineural hearing *** these cells do not regenerate in humans,it underlies the irreversibility of human age-related hearing *** EMBASE,Ovid MEDLINE,Web of Science Core Collection,and *** databases over the period August 1,2018 to July 31,2023 were searched with"hearing loss,""hypoxamiRs,""hypoxia,""microRNAs,""ischemia,"and"oxidative stress"text words for English language primary study publications or registered clinical *** red clinical trials known to the senior author we re also assessed.A total of 222studies were thus *** excluding duplicates,editorials,retra ctions,secondary research studies,and non-English language articles,39 primary studies and clinical trials underwent full-text *** resulted in 11 animal,in vitro,and/or human subject journal articles and 8 registered clinical trial database entries which form the basis of this narrative *** miR-34a and miR-29b levels increase with age in *** miRNAs were demonstrated in human neuroblastoma and murine cochlear cell lines to target Sirtuin 1/peroxisome proliferato r-activated receptor gamma coactivator-1-alpha(SIRT1/P GC-1α),SIRT

关键词： hearing loss hypoxia microRNAs oxidative stress sensorineural

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Overprescription of opioid analgesia is common following ambulatory otolaryngology—head and neck surgery procedures: A multicenter study

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World Journal of Otorhinolaryngology-head and neck surgery 2022年第2期8卷 145-151页

作者： Amr F.Hamour Frederick Laliberte Jordan Levy Jason Xu Edward Park Vincent Lin John de Almeida Julie Strychowsky Antoine Eskander Eric Monteiro Department of otolaryngology-head and neck surgery University of TorontoTorontoOntarioCanada Department of otolaryngology-head and neck surgery London Health Sciences CentreLondonOntarioCanada Department of otolaryngology-head and neck surgery Mount Sinai HospitalTorontoOntarioCanada

Background: The rise in the use of prescription opioids for postoperative analgesia within surgery has mirrored an increased trend of opioid-related morbidity within Canada and the United States. This study prospectively studied daily pain levels and medication requirements postoperatively in patients undergoing elective otolaryngology—head and neck surgery ***: Patients were asked to prospectively document their pain level and medication use daily for 7 days postoperatively. A final survey was used to quantify unused medication left at home and clarify each patient's disposal plan. We included patients undergoing elective outpatient or short stay surgeries from three tertiary care centers in Toronto, Ontario from September 2016 to September 2017. Previous opioids users or patients suffering from chronic pain were ***: A final cohort of 56 eligible adult patients were included in the study. The most common procedures were thyroidectomy (n = 19), endoscopic sinus surgery (n= 10), tympanoplasty/ossiculoplasty (n= 7), and cochlear implant (n = 5). Most patients received a prescription for acetaminophen/codeine (n = 29, 51.8%) or acetaminophen/oxycodone (n = 22, 39.3%) and used on average 29% of their initial prescription. Patients most commonly opted to keep their unused narcotics at home (n = 23, 41%). A total of 710 tablets of narcotics were overprescribed in our study population, 351 of which were kept in patients'' home for future ***: There is a clear tendency to overestimate postoperative pain resulting in significant overprescription of opioids among Otolaryngologists.

关键词： analgesia health policy opioid quality improvement quality of life

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Inhibition of the NLRP3 inflammasome attenuates spiral ganglion neuron degeneration in aminoglycoside-induced hearing loss

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Neural Regeneration Research 2025年第10期20卷 3025-3039页

作者： Jia Fang Zhuangzhuang Li Pengjun Wang Xiaoxu Zhang Song Mao Yini Li Dongzhen Yu Xiaoyan Li Yazhi Xing Haibo Shi Shankai Yin Department of otolaryngology head and neck surgery Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of MedicineOtolaryngology Institute of Shanghai Jiao Tong UniversityShanghai Key Laboratory of Sleep Disordered BreathingShanghaiChina Department of Otorhinolaryngology-head and neck surgery Shanghai Children’s HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina

Aminoglycosides are a widely used class of antibacterials renowned for their effectiveness and broad antimicrobial ***,their use leads to irreversible hearing damage by causing apoptosis of hair cells as their direct *** addition,the hearing damage caused by aminoglycosides involves damage of spiral ganglion neurons upon *** investigate the mechanisms underlying spiral ganglion neuron degeneration induced by aminoglycosides,we used a C57BL/6J mouse model treated with *** found that the mice exhibited auditory deficits following the acute loss of outer hair *** ganglion neurons displayed hallmarks of pyroptosis and exhibited progressive degeneration over *** profiling of these neurons showed significant upregulation of genes associated with inflammation and immune response,particularly those related to the NLRP3 *** of the canonical pyroptotic pathway in spiral ganglion neurons was observed,accompanied by infiltration of macrophages and the release of proinflammatory *** intervention targeting NLRP3 using Mcc950 and genetic intervention using NLRP3 knockout ameliorated spiral ganglion neuron degeneration in the injury *** findings suggest that NLRP3 inflammasome-mediated pyroptosis plays a role in aminoglycoside-induced spiral ganglion neuron *** of this pathway may offer a potential therapeutic strategy for treating sensorineural hearing loss by reducing spiral ganglion neuron degeneration.

关键词： degeneration hearing loss macrophages Mcc950 neuroinflammation NLRP3 inflammasome ototoxicity pyroptosis sensorineural hearing loss spiral ganglion neuron

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Roadmap of otolaryngology—head and neck surgery Clinic in a Tertiary Center: A Prospective Cohort Study of 1178 Patients

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International Journal of otolaryngology and head & neck surgery 2016年第1期5卷 6-16页

作者： Ameen Z. Alherabi Department of Ophthalmology & otolaryngology—head & neck surgery Umm Al-Qura University and King Abdullah Medical City Makkah Saudi Arabia

Objectives: An otolaryngology—head and neck surgery clinic is an integral part of any modern tertiary center outpatient department. The objective of this article is to present our experience in developing a local electronic Makkah otolaryngology—head and neck DATABASE (MO-HND) and provide a roadmap for the development of otolaryngology—head and neck surgery clinics in other tertiary centers. Methods: This is a prospective audit of all patients attending our clinic over 3 months period (July to September 2014). The data were recorded using our MO-HND. Results: A total of 1178 patients were included. The mean age was 27.7 ± 6.7 years. Participants included 586 males (49.7%) and 592 females (50.3%). There were 1139 (96.6%) Saudi and 39 (3.4%) non-Saudi patients. The specialist clinic undertook most of the workload (66%). The majority of surgery bookings (94%) were carried out through a consultant clinic. Of all participants, 80% were diagnosed with general ENT conditions, 21% underwent a procedure in the clinic, and 29% required further investigations. The surgical conversion rate was 16.3%. Conclusion: Electronic DATABASES have become important tools for improving medical services. Primary and secondary level medical centers and hospitals should increase their role in alleviating pressure from tertiary and quaternary level hospitals. In turn, a model concentrated on subspecialty clinics and services should be developed.

关键词： ENT otolaryngology head and neck Clinic

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Pediatric otolaryngology-head and neck surgery in China: Present situation and future prospects

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Pediatric Investigation 2019年第3期3卷 137-140页

作者： Xin Ni Jie Zhang Department of Otorhinolaryngology head and neck surgery Beijing Children’s HospitalCapital Medical UniversityNational Centerfor Children’s HealthBeijingChina Beijing Key Laboratory for Pediatric Diseases of otolaryngology–head and neck surgery BeijingChina

Evolution Pediatric otolaryngology–head and neck surgery (OHNS) is a young discipline in the 21st century. During its development, the discipline and its sub-areas were increasingly enriched and refined, and its name evolved from 'ear, nose and throat' to 'otorhinolaryngology' and then to 'otolaryngology–head and neck surgery' In the United States, the American Laryngological Association was established in 1878, and the American Academy of Ophthalmology and otolaryngology was founded in 1903. However, no doctors specialized in pediatric OHNS until the 1940s.

关键词： Pediatric otolaryngology–head and neck surgery (OHNS) discipline future prospects

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Tranylcypromine upregulates Sestrin 2 expression to ameliorate NLRP3-related noise-induced hearing loss

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Neural Regeneration Research 2025年第5期20卷 1483-1494页

作者： Xihang Chen Zhifeng Chen Menghua Li Weiwei Guo Shuolong Yuan Liangwei Xu Chang Lin Xi Shi Wei Chen Shiming Yang Senior Department of otolaryngology head and neck surgery Chinese PLA General HospitalChinese PLA Medical SchoolBeijingChina State Key Laboratory of Hearing and Balance Science BeijingChina National Clinical Research Center for Otolaryngologic Diseases BeijingChina Key Laboratory of Hearing Science Ministry of EducationBeijingChina Beijing Key Laboratory of Hearing Impairment Prevention and Treatment BeijingChina Department of Otorhinolaryngology head and neck surgery The First Affiliated Hospital of Fujian Medical UniversityFuzhouFujian ProvinceChina Department of otolaryngology head and neck surgery The 940th Hospital of Joint Logistics Support Force of Chinese PLALanzhouGansu ProvinceChina Key Laboratory of Tropical Biological Resources of Ministry of Education School of Pharmaceutical SciencesHainan UniversityHaikouHainan ProvinceChina Academician Workstation of Hainan University School of Pharmaceutical SciencesYazhou BaySanyaHainan ProvinceChina

Noise-induced hearing loss is the primary non-genetic factor contributing to auditory ***,there are currently no effective pharmacological interventions for patients with noise-induced hearing ***,we present evidence suggesting that the lysine-specific demethylase 1 inhibitor–tranylcypromine is an otoprotective agent that could be used to treat noise-induced hearing loss,and elucidate its underlying regulatory *** established a mouse model of permanent threshold shift hearing loss by exposing the mice to white broadband noise at a sound pressure level of 120 d B for 4 *** found that tranylcypromine treatment led to the upregulation of Sestrin2(SESN2)and activation of the autophagy markers light chain 3B and lysosome-associated membrane glycoprotein 1 in the cochleae of mice treated with *** noise exposure group treated with tranylcypromine showed significantly lower average auditory brainstem response hearing thresholds at click,4,8,and 16 k Hz frequencies compared with the noise exposure group treated with *** findings indicate that tranylcypromine treatment resulted in increased SESN2,light chain 3B,and lysosome-associated membrane glycoprotein 1 expression after noise exposure,leading to a reduction in levels of 4-hydroxynonenal and cleaved caspase-3,thereby reducing noise-induced hair cell ***,immunoblot analysis demonstrated that treatment with tranylcypromine upregulated SESN2 expression via the autophagy *** treatment also reduced the production of NOD-like receptor family pyrin domaincontaining 3(NLRP3)*** conclusion,our results showed that tranylcypromine treatment ameliorated cochlear inflammation by promoting the expression of SESN2,which induced autophagy,thereby restricting NLRP3-related inflammasome signaling,alleviating cochlear hair cell loss,and protecting hearing *** findings suggest that inhibiting lysine-specific demethylase 1 is a

关键词： 4-hydroxynonenal apoptosis autophagy cleaved caspase-3 inflammation NOD-like receptor family pyrin domain-containing 3(NLRP3) noise-induced hearing loss oxidative stress Sestrin2 tranylcypromine

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Perceptions of telemedicine at a pediatric otolaryngology-head and neck surgery program

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World Journal of Pediatric surgery 2022年第4期5卷 282-288页

作者： Claire Gwilt Gregory Metzger Kris Jatana Tran Bourgeois Patrick Walz The Ohio State University College of Medicine ColumbusOhioUSA Department of surgery The Ohio State University Wexner Medical CenterColumbusOhioUSA Department of Pediatric surgery Nationwide Children's HospitalColumbusOhioUSA Department of Pediatric otolaryngology Nationwide Children's HospitalColumbusOhioUSA Center for Surgical Outcomes Research Nationwide Children's HospitalColumbusOhioUSA Department of otolaryngology The Ohio State University Wexner Medical CenterColumbusOhioUSA

Objective With few studies investigating the effectiveness of telemedicine(TM)in pediatric otolaryngology(ear,nose,and throat;ENT),its role in clinical practice is *** objective of this study was to investigate provider perspectives regarding utility of TM in pediatric ENT *** A survey gauging the relative merits of TM visits for common pediatric ENT chief complaints and postoperative visits was distributed to all pediatric ENT providers at a tertiary care,free-standing children’s *** were asked to assess the effectiveness of TM visits compared with in-person visits for completing the following tasks:history collection,physical examination,medical decision-making,and patient *** Providers rated TM visits as less useful than in-person visits for completing the most predefined tasks but did identify advantages in history taking via TM for the majority of *** with providers with≥10 years of experience,those withneck masses,and stridor/noisy *** regarding the utility of TM for postoperative visits were mixed,with adenoidectomy,tonsillectomy and superficial procedures being most frequently deemed appropriate for *** The introduction of TM to pediatric ENT faces limitations in detailed examination of areas not accessible without specialized *** to its strength in history taking,results suggest an asynchronous,‘store and forward’encounter followed by an in-person physical examination to confirm the diagnosis and treatment plan could be beneficial.

关键词： pediatric superficial diagnosis

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Primary chordoma of the nose

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Chinese Medical Journal 2003年第1期116卷 154-156页

作者：牟忠林刘兆华 Department of otolaryngology-head and neck surgery

Chordoma as a rare malignant tumor arising from remnants of the notochord, accounts for 4% of malignant bone tumors. It occurs twice as frequently in men compared with women and is uncommon in individuals less than 40 years of age.1-3 Topographic distribution is spheno-occipital (35% to 44%), vertebral (15%), and sacrococcygeal (42% to 50%).4 Unusual locations include the mandible and the maxilla, and lesions in these locations have been called ectopic or dental chordomas. Some chordomas with nasal and paranasal presentations have been reported, but primary chordoma of the nose occurs rarely. To our knowlege only two cases have been reported so far according to the literature.4,5 In this paper, we present primary chordoma of the nose, its characteristics and our experiences with it.

关键词： malignant tumor bone tumors

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Trimetallic mesoporous PdCuRu for efficient formate electrosynthesis from polyethylene terephthalate recycling

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Science China Chemistry 2025年

作者： Yuting Li Huiqin Yao Lizhi Sun Shu Han Xiaoxiang Xu Guangyin Fan Ben Liu College of Chemistry and Materials Science Sichuan Normal University Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University School of Basic Medical Sciences Ningxia Medical University Department of Otorhinolaryngology-head and neck surgery Zhongnan Hospital of Wuhan University

Electrochemical recycling of waste polyethylene terephthalate（PET） plastics represents a green and sustainable route to produce valuable fuels and address serious environmental issues. Despite some encouraged achievements, their progress is still slower because of the lack of highly active and selective electrocatalysts. Here, we reported an efficient PET recycling route with trimetallic PdCuRu mesoporous nanospheres（MSs） as a high-performance electrocatalyst that achieved selective electrosynthesis of valuable formate from PET hydrolysate（PETH） electrooxidation. Penetrated metal mesopores and trimetallic compositions of PdCuRu MSs synergistically optimized electronic structures of Pd sites and changed chemisorption properties of intermediates, which disclosed a high formate Faradic efficiency of 97% and impressive yield rate of 0.49 mmol h-1cm-2in an alkaline solution. Meanwhile, this electrocatalyst held good electrocatalytic stability, retaining high formate Faradic efficiency and yield rate even being performed for 10 cycles, which highlighted its potential applications for practical PET recycling. Our study provides a powerful strategy for designing high-performance electrocatalysts toward selective electro-synthesis of valuable fuels from various waste plastics.

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An efficient strategy for establishing a model of sensorineural deafness in rats

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Neural Regeneration Research 2015年第10期10卷 1683-1689页

作者： Long Ma Hai-jin Yi Fen-qian Yuan Wei-wei Guo Shi-ming Yang The Second Artillery General Hospital of Chinese PLA Department of otolaryngology-head & neck surgery Beijing Tiantan Hospital Capital Medical University Department of head and neck surgery Jiangxi Cancer Hospital Department of otolaryngology Head & Neck Surgery Institute of Otolaryngology Chinese PLA General Hospital

Ototoxic drugs can be used to produce a loss of cochlear hair cells to create animal models of deafness. However, to the best of our knowledge, there is no report on the establishment of a rat deafness model through the combined application of aminoglycosides and loop diuretics. The aim of this study was to use single or combined administration of furosemide and kanamycin sulfate to establish rat models of deafness. The rats received intravenous injections of different doses of furosemide and/or intramuscular injections of kanamycin sulfate. The auditory brainstem response was measured to determine the hearing threshold after drug application. Immunocytochemistry and confocal microscopy were performed to evaluate inner ear morphology. In the group receiving combined administration of furosemide and kanamycin, the auditory brainstem response threshold showed significant elevation 3 days after administration, higher than that produced by furosemide or kanamycin alone. The hair cells showed varying degrees of injury, from the apical turn to the basal turn of the cochlea and from the outer hair cells to the inner hair cells. The spiral ganglion cells maintained a normal morphology during the first week after the hair cells completely disappeared, and then gradually degenerated. After 2 months, the majority of spiral ganglion cells disappeared, but a few remained. These findings demonstrate that the combined administration of furosemide and kanamycin has a synergistic ototoxic effect, and that these drugs can produce hair cell loss and hearing loss in rats. These findings suggest that even in patients with severe deafness, electronic cochlear implants may partially restore hearing.

关键词： nerve regeneration sensorineural deafness kanamycin furosemide ototoxic drug spiral ganglion cells hair cell neural regeneration

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