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The application of the strip-shaped cymba conchae orthosis in the nonsurgical correction of complex auricular deformity

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Journal of Otology 2024年第1期19卷 24-29页

作者： Huijuan Xu Shaoguang Ding Fei Zhang Zhifeng Zhang Xiangyu Chen Mingyang Li Haitao Yang Fugen Han Hongjian Liu department of otolaryngology Head and neck surgery People’s Hospital of Henan UniversityHenan Provincial People’s HospitalZhengzhouChina department of otolaryngology Head and neck surgery Henan Provincial People’s HospitalPeople’s Hospital of Zhengzhou UniversityPeople’s Hospital of Henan UniversityZhengzhouChina department of otolaryngology Head and neck surgery Henan Children’s HospitalZhengzhouChina department of otolaryngology Head and neck surgery The Third People’s Hospital of ZhengzhouZhengzhouChina Zheng Dong Mihuan Clinic ZhengzhouChina

Objective: This study aims to evaluate the efficacy and safety of using a strip-shaped cymba conchae orthosis for the nonsurgical correction of complex auricular deformities. Methods: Clinical data were collected from 2020 to 2021 for 6 patients who underwent correction using a stripshaped cymba conchae orthosis. The indications, corrective effects, and complications associated with use of the orthosis were analyzed. Results: There were four indications for treatment: cryptotia with helix adhesion;cryptotia with grade I microtia;cryptotia with excessive helix thickness;and auricular deformity beyond the treatment time window(≥6 months). Excellent corrective effects were observed in all 6 patients. Complications occurred in one patient, who recovered after symptomatic treatment. Conclusion: The use of a strip-shaped cymba conchae orthosis alone or combined with a U-shaped helix orthosis presents a feasible approach for correcting complex auricular deformities or deformities beyond the treatment time window in pediatric patients.

关键词： Cymba conchae Auricular deformity Cryptotia Nonsurgical correction Orthosis

Construction of a novel six-gene signature to predict tumour response to induction chemotherapy and overall survival in locoregionally advanced laryngeal and hypopharyngeal carcinoma

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Genes & Diseases 2024年第3期11卷 148-150页

作者： Chen Tan Lingwa Wang Yifan Yang Shizhi He George G.Chen Jason YK.Chan Michael CF.Tong C.A.van Hasselt Wenbin Xu Ling Feng Ru Wang Jugao Fang department of otolaryngology Head and neck surgery Beijing Tongren HospitalCapital Medical UniversityBeijing 100730China Key Laboratory of otolaryngology Head and neck surgery(Ministry of Education of China) Beijing Institute of OtolaryngologyBeijing 100730China department of Otorhinolaryngology Head and Neck SurgeryThe Chinese University of Hong KongPrince of Wales HospitalHongKong SAR999077China department of Medical Genetics Institute of Basic Medical ScienceChinese Academy of Medical Science&Peking Union Medical CollageBeijing 100730China

Locoregionally advanced laryngeal and hypopharyngeal cancers(LA-LHCs)are traditionally treated with surgery followed by postoperative radiotherapy,which impairs speech and swallowing functions and reduces the quality of life.^(1,2)The use of induction chemotherapy(IC)as a larynxpreserving approach for LA-LHCs has been verified and refined.^(3)However,the short-term tumor response to IC varies,non-responders usually show poor survival and little benefit.

关键词： chemotherapy laryngeal surgery

Minimally invasive management of parapharyngeal space tumors:Introducing a decision-making algorithm and radiologic tool

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Laparoscopic, Endoscopic and Robotic surgery 2024年第3期7卷 97-101页

作者： Manuel Schoch Gunesh Rajan Grzegorz Karwacki department of otolaryngology and Head-neck surgery Hospital of St.GallSt.GallenSwitzerland department of otolaryngology and Head-neck surgery Hospital of LucerneLuzernSwitzerland department of Radiology and Nuclear Medicine Hospital of LucerneLuzernSwitzerland

Objective Traditionally tumors of the parapharyngeal space(PPS)are resected through transcervical *** recent approaches include endoscopic approaches or transoral robotic surgery(TORS)without directions on when to use which *** objective was to find objective parameters to choose the most suitable *** It is a retrospective study containing 6 patients from May 2019 to May 2021 with tumors of the PPS treated in the department of otolaryngology and Head-neck surgery at the Hospital of Lucerne,*** The data was analysed in average 53 months after *** resection was completed with TORS in 3 patients and endoscopically in 3 *** operation time was 114 *** major complications *** evidence of tumor was found in magnetic resonance imaging studies postoperatively in all *** We conclude that a resection via TORS or endoscopic technique is safe and ***,we postulate that the further a tumor is located in the upper lateral area of the PPS,an approach via TORS is less possible.

关键词： Oto-rhino-laryngology Endoscopic surgery Robotic surgery Parapharyngeal space tumors

Acquired sensorineural hearing loss,oxidative stress,and microRNAs

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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

Acquired sensorineural hearing loss,oxidative stress,and microRNAs

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Neural Regeneration Research 2025年第09期 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 Columbia Division of otolaryngology-Head & neck surgery Gordon & Leslie Diamond Health Care CentreVancouver General Hospital Faculty of Medicine-The University of British Columbia

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

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Modified intratympanic steroid therapy for sudden sensorineural hearing loss via tympanic tube and gelfoam as a salvage treatment

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Journal of Otology 2024年第1期19卷 19-23页

作者： Sichao Liang Yunshuo Li Zhenping Guo Manlin Lu Xin Li Jia Xu Wenjing Chen Juanjuan Gao Haijin Yi department of otolaryngology Head and Neck SurgeryBeijing Tsinghua Changgung HospitalSchool of Clinical MedicineTsinghua UniversityBeijing102218China

Background: Sudden sensorineural hearing loss(SSNHL) is a prevalent emergency in ear, nose, and throat practice. Previous studies have demonstrated that intratympanic steroid therapy(IST) can serve as a salvage treatment for SSNHL after the failure of systemic steroid therapy(SST).Objective: This study aimed to analyze the efficacy of modified IST involving the insertion of a tympanic tube and gelfoam as a salvage treatment for patients with SSNHL, and to explore its associated ***: Totally, 74 patients who were aged 22–81 years with SSNHL were enrolled and allocated to either the control group(n = 25) or the treatment group(n = 49) based on their treatment modalities. All patients received SST lasting for at least 7 days. Subsequently, patients in the treatment group, after SST failure, underwent IST twice a week for 2–6 weeks, while the control group did not. Efficacy was assessed by the improvement in pure tone average at the affected frequency at the beginning and end of ***: Hearing improvement in all patients after IST in the treatment group was 9.71 ± 14.84 dB, with significant improvement at affected frequencies(250-8000 Hz) compared with the control group(P 0.05).Conclusion: The modified IST was demonstrated to be a safe and effective method as a salvage treatment for SSNHL. This study explored the efficacy of a modified IST approach, incorporating the utilization of tympanic tubes and gelfoam as key components. The findings underscore the advantages of gelfoam as a strategic drug carrier placed in the round window niche. By minimizing drug loss, extending action time, and increasing perilymph concentration, gelfoam enhances the therapeutic impact of IST, contributing to improved hearing outcomes in pat

关键词： Modified intratympanic steroid therapy Sudden sensorineural hearing loss Gelfoam Tympanic tube

Development of Chinese herbal medicine for sensorineural hearing loss

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Acta Pharmaceutica Sinica B 2024年第2期14卷 455-467页

作者： Yunhao Wu Jingwen Zhang Qiuping Liu Zhuang Miao Renjie Chai Wenyong Chen State Key Laboratory of Bioelectronics Department of Otolaryngology Head and Neck SurgeryZhongda HospitalSchool of Life Sciences and TechnologyAdvanced Institute for Life and HealthJiangsu Province HighTech Key Laboratory for Bio-Medical ResearchSoutheast UniversityNanjing 210096China department of otolaryngology-Head and neck the Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou 510120China department of otolaryngology-Head and neck surgery Affiliated Hospital of Jiangnan UniversityWuxi 214000China department of otolaryngology Head and neck surgery Sichuan Provincial People’s HospitalUniversity of Electronic Science and Technology of ChinaChengdu 610000China Co-Innovation Center of Neuroregeneration Nantong UniversityNantong 226001China Institute for Stem Cell and Regeneration Chinese Academy of ScienceBeijing 100085China Beijing Key Laboratory of Neural Regeneration and Repair Capital Medical UniversityBeijing 100069China

According to the World Health Organization’s world report on hearing,nearly 2.5 billion people worldwide will suffer from hearing loss by 2050,which may contribute to a severe impact on individual life quality and national *** hearing loss(SNHL)occurs commonly as a result of noise exposure,aging,and ototoxic drugs,and is pathologically characterized by the impairment of mechanosensory hair cells of the inner ear,which is mainly triggered by reactive oxygen species accumulation,inflammation,and mitochondrial *** recent advances have been made in understanding the ability of cochlear repair and regeneration,there are still no effective therapeutic drugs for *** herbal medicine which is widely distributed and easily accessible in China has demonstrated a unique curative effect against SNHL with higher safety and lower cost compared with Western *** we present trends in research for Chinese herbal medicine for the treatment of SNHL,and elucidate their molecular mechanisms of action,to pave the way for further research and development of novel effective drugs in this field.

关键词： Sensorineural hearing loss Chinese herbal medicine Molecular mechanism Active ingredients Prescriptions Ototoxic drugs Noise Hair cells

Interlayer repair with porcine small intestinal submucosa versus internal repair with tragus cartilage in endoscopic tympanoplasty

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Laparoscopic, Endoscopic and Robotic surgery 2024年第2期7卷 79-86页

作者： Lina Zhao Wenya Li Lei Zhang department of otolaryngology Head and neck surgery Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhou 310016China

Objective Endoscopic tympanoplasty includes various surgical methods,such as internal repair,interlayer repair,and external *** technique requires autologous materials,allografts,and xenografts,which are used to repair tympanic membrane(TM)*** obtain good results,appropriate surgical methods and repair materials should be *** study aims to assess the efficacy of repairing refractory TM perforations in the porcine small intestinal submucosa(SIS)during transcanal endoscopic type I *** A retrospective chart review was performed on patients who underwent TM perforation repair with porcine SIS and tragus cartilage between January 2022 and September 2022 at Sir Run Run Shaw Hospital,Zhejiang University School of *** size,tympanic status,pre-and postoperative symptoms,follow-up data,wound healing rates,and hearing improvement were *** Of the 115 patients included in the study,56 underwent interlayer repair with porcine SIS of the TM,and 59 patients underwent internal repair with tragus *** significant difference was found between the two groups at baseline in terms of age,sex,disease course,perforation side,tympanic status,underlying disease,or preoperative *** total postoperative effective rate of interlayer implantation with porcine SIS was 91.07%(51 patients),and that of internal implantation with tragus cartilage was 88.14%(52 patients).No significant difference was found in terms of the graft success rate between the two surgical methods(p=0.887).Postoperative pure tone auditory(PTA)and air-bone gap(ABG)density significantly increased in both groups compared with before surgery(psurgery between the two groups(p>0.05).Compared to those in the internal implantation group,the patients in the interlayer group had a shorter operation duration(51.36±6.76 min vs.59.71±7.45 min,t=6.2

关键词： Porcine small intestinal submucosa Tragus cartilage Interlayer implantation Internal implantation Tympanic membrane Endoscopic tympanoplasty

Heterobimetallic lanthanide tetrahedral cages:Synthesis,design and application for potential multimodal imaging contrast agent

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Journal of Rare Earths 2024年第2期42卷 278-285,I0002页

作者： Yongxiu Li Feng Guo Siwei Wei Duofu Li Jun Zhang Kai Xu Dongping Li department of Chemistry Nanchang UniversityNanchang330031China Key Laboratory of Functional Molecule Design and Interface Process Anhui Jianzhu UniversityHefei230601China department of otolaryngology Head and Neck SurgeryThe Second Affiliated Hospital of Nanchang UniversityNanchang330006China

The construction and functionalization of lanthanide-organic cages have been a research hotspot in coordination *** from the unique luminescent and magnetic properties of lanthanide ions,the potential applications of lanthanide-organic cages in biological imaging applications are promising,but only a few corresponding explorations have been *** rein,we introduced a series of lanthanide tetrahedral cages,(Eu_(n)Gd_(4-n)L_(4))(sol)_8(n=0,1,2,3 and 4,where L=(4,4',4"-tris(4,4,4-trifluoro-1,3-dioxobutyl)-triphenylamine,and sol=dimethyl sulfoxide and methanol),with potential applications in biological *** the good luminescent and magnetic properties of Eu^(3+) and Gd^(3+) ions,Eu_(4)L_(4) and Gd_(4)L_(4) complexes show a high luminescence quantum yield of 29% in DMSO and large longitudinal relaxivity(r_(1)) of 11.4(mmol/L)^(-1)/s at 0.5 T in water containing 1 vol% DMSO,*** heterobimetallic Eu-Gd complexes achieve a dual imaging mode by combining luminescent and magnetic centers in one *** the Gd:Eu ratio increases from 1:3 to 3:1,the r_(1) values increases from 5.33 to 8.64(mmoI/L)^(-1)/s,higher than that of commercial contrast agent Gd-DOTA(3.23(mmol/L)^(-1)/s).Owing to their low toxicity and good cell imaging ability toward ECA 109 cells,the selfassembled Eu-Gd heterobimetallic tetrahedral cages could be potential candidates for the multimodal imaging contrast agent.

关键词： Lanthanide organic cage Luminescence Cell imaging Contrast agents Rare earths