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Oka A, Takahashi M, Nishimura W, Oyamada S, Oka S, Iwasaki S, Kanai K, Okano M. Gene expression of cytokines and prostaglandin metabolism-related proteins in eosinophilic otitis media. J Allergy Clin Immunol Glob 2024; 3:100237. [PMID: 38524784 PMCID: PMC10959659 DOI: 10.1016/j.jacig.2024.100237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 01/31/2024] [Accepted: 02/03/2024] [Indexed: 03/26/2024]
Abstract
The objective of this study was to investigate the levels of gene expression in the middle ear mucosa of 2 patients diagnosed with eosinophilic otitis media. One patient with severe hearing loss showed high expression levels of genes encoding IL-5 and IL-33 receptors.
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Affiliation(s)
- Aiko Oka
- Department of Otorhinolaryngology, International University of Health and Welfare School of Medicine, Narita, Japan
| | - Masahiro Takahashi
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | - Wataru Nishimura
- Department of Molecular Biology, International University of Health and Welfare School of Medicine, Narita, Japan
| | - Shogo Oyamada
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | - Shinichiro Oka
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | - Kengo Kanai
- Department of Otorhinolaryngology, International University of Health and Welfare School of Medicine, Narita, Japan
| | - Mitsuhiro Okano
- Department of Otorhinolaryngology, International University of Health and Welfare School of Medicine, Narita, Japan
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Sakuma N, Nishio SY, Goto SI, Honkura Y, Oda K, Takeda H, Kobayashi M, Kumakawa K, Iwasaki S, Takahashi M, Ito T, Arai Y, Isono Y, Obara N, Matsunobu T, Okubo K, Usami SI. Detailed Clinical Features of PTPRQ-Associated Hearing Loss Identified in a Large Japanese Hearing Loss Cohort. Genes (Basel) 2024; 15:489. [PMID: 38674423 PMCID: PMC11050587 DOI: 10.3390/genes15040489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/10/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
The PTPRQ gene has been identified as one of the genes responsible for non-syndromic sensorineural hearing loss (SNHL), and assigned as DFNA73 and DFNB84. To date, about 30 causative PTPRQ variants have been reported to cause SNHL. However, the detailed clinical features of PTPRQ-associated hearing loss (HL) remain unclear. In this study, 15,684 patients with SNHL were enrolled and genetic analysis was performed using massively parallel DNA sequencing (MPS) for 63 target deafness genes. We identified 17 possibly disease-causing PTPRQ variants in 13 Japanese patients, with 15 of the 17 variants regarded as novel. The majority of variants identified in this study were loss of function. Patients with PTPRQ-associated HL mostly showed congenital or childhood onset. Their hearing levels at high frequency deteriorated earlier than that at low frequency. The severity of HL progressed from moderate to severe or profound HL. Five patients with profound or severe HL received cochlear implantation, and the postoperative sound field threshold levels and discrimination scores were favorable. These findings will contribute to a greater understanding of the clinical features of PTPRQ-associated HL and may be relevant in clinical practice.
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Affiliation(s)
- Naoko Sakuma
- Department of Otorhinolaryngology, Head and Neck Surgery, Nippon Medical School, Tokyo 113-8603, Japan; (N.S.); (T.M.); (K.O.)
| | - Shin-ya Nishio
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto City 390-8621, Japan;
| | - Shin-ichi Goto
- Department of Otorhinolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8560, Japan;
| | - Yohei Honkura
- Department of Otolaryngology-Head and Neck Surgery, Tohoku University School of Medicine, Sendai 980-8575, Japan;
| | - Kiyoshi Oda
- Department of Otolaryngology, Tohoku Rosai Hospital, Sendai 981-8563, Japan;
| | - Hidehiko Takeda
- Department of Otorhinolaryngology, Toranomon Hospital, Tokyo 105-8470, Japan; (H.T.); (M.K.)
| | - Marina Kobayashi
- Department of Otorhinolaryngology, Toranomon Hospital, Tokyo 105-8470, Japan; (H.T.); (M.K.)
| | - Kozo Kumakawa
- Department of Otolaryngology, Kamio Memorial Hospital, Tokyo 101-0063, Japan;
- Akasaka Toranomon Clinic, Tokyo 107-0052, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo 108-8329, Japan; (S.I.); (M.T.)
| | - Masahiro Takahashi
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo 108-8329, Japan; (S.I.); (M.T.)
| | - Taku Ito
- Department of Otorhinolaryngology, Tokyo Medical and Dental University, Tokyo 113-8510, Japan;
| | - Yasuhiro Arai
- Department of Otorhinolaryngology-Head and Neck Surgery, Yokohama City University School of Medicine, Yokohama 236-0004, Japan;
| | - Yasuhiro Isono
- Department of Otolaryngology, Yokohama City University Medical Center, Yokohama 232-0024, Japan;
| | - Natsuko Obara
- Department of Otolaryngology, Gifu University Graduate School of Medicine, Gifu City 501-1194, Japan;
| | - Takeshi Matsunobu
- Department of Otorhinolaryngology, Head and Neck Surgery, Nippon Medical School, Tokyo 113-8603, Japan; (N.S.); (T.M.); (K.O.)
| | - Kimihiro Okubo
- Department of Otorhinolaryngology, Head and Neck Surgery, Nippon Medical School, Tokyo 113-8603, Japan; (N.S.); (T.M.); (K.O.)
| | - Shin-ichi Usami
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto City 390-8621, Japan;
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R, Chukwu C, Chung K, Cianciolo G, Cipressa L, Clark S, Clarke H, Clarke R, Clarke S, Cleveland B, Cole E, Coles H, Condurache L, Connor A, Convery K, Cooper A, Cooper N, Cooper Z, Cooperman L, Cosgrove L, Coutts P, Cowley A, Craik R, Cui G, Cummins T, Dahl N, Dai H, Dajani L, D'Amelio A, Damian E, Damianik K, Danel L, Daniels C, Daniels T, Darbeau S, Darius H, Dasgupta T, Davies J, Davies L, Davis A, Davis J, Davis L, Dayanandan R, Dayi S, Dayrell R, De Nicola L, Debnath S, Deeb W, Degenhardt S, DeGoursey K, Delaney M, Deo R, DeRaad R, Derebail V, Dev D, Devaux M, Dhall P, Dhillon G, Dienes J, Dobre M, Doctolero E, Dodds V, Domingo D, Donaldson D, Donaldson P, Donhauser C, Donley V, Dorestin S, Dorey S, Doulton T, Draganova D, Draxlbauer K, Driver F, Du H, Dube F, Duck T, Dugal T, Dugas J, Dukka H, Dumann H, Durham W, Dursch M, Dykas R, Easow R, Eckrich E, Eden G, Edmerson E, Edwards H, Ee LW, Eguchi J, Ehrl Y, Eichstadt K, Eid W, Eilerman B, Ejima Y, Eldon H, Ellam T, Elliott L, Ellison R, Emberson J, Epp R, Er A, Espino-Obrero M, Estcourt S, Estienne L, Evans G, Evans J, Evans S, Fabbri G, Fajardo-Moser M, Falcone C, Fani F, Faria-Shayler P, Farnia F, Farrugia D, Fechter M, Fellowes D, Feng F, Fernandez J, Ferraro P, Field A, Fikry S, Finch J, Finn H, Fioretto P, Fish R, Fleischer A, Fleming-Brown D, Fletcher L, Flora R, Foellinger C, Foligno N, Forest S, Forghani Z, Forsyth K, Fottrell-Gould D, Fox P, Frankel A, Fraser D, Frazier R, Frederick K, Freking N, French H, Froment A, Fuchs B, Fuessl L, Fujii H, Fujimoto A, Fujita A, Fujita K, Fujita Y, Fukagawa M, Fukao Y, Fukasawa A, Fuller T, Funayama T, Fung E, Furukawa M, Furukawa Y, Furusho M, Gabel S, Gaidu J, Gaiser S, Gallo K, Galloway C, Gambaro G, Gan CC, Gangemi C, Gao M, Garcia K, Garcia M, Garofalo C, Garrity M, Garza A, Gasko S, Gavrila M, Gebeyehu B, Geddes A, Gentile G, George A, George J, Gesualdo L, Ghalli F, Ghanem A, Ghate T, Ghavampour S, Ghazi A, Gherman A, Giebeln-Hudnell U, Gill B, Gillham S, Girakossyan I, Girndt M, Giuffrida A, Glenwright M, Glider T, Gloria R, Glowski D, Goh BL, Goh CB, Gohda T, Goldenberg R, Goldfaden R, Goldsmith C, Golson B, Gonce V, Gong Q, Goodenough B, Goodwin N, Goonasekera M, Gordon A, Gordon J, Gore A, Goto H, Goto S, Goto S, Gowen D, Grace A, Graham J, Grandaliano G, Gray M, Green JB, Greene T, Greenwood G, Grewal B, Grifa R, Griffin D, Griffin S, Grimmer P, Grobovaite E, Grotjahn S, Guerini A, Guest C, Gunda S, Guo B, Guo Q, Haack S, Haase M, Haaser K, Habuki K, Hadley A, Hagan S, Hagge S, Haller H, Ham S, Hamal S, Hamamoto Y, Hamano N, Hamm M, Hanburry A, Haneda M, Hanf C, Hanif W, Hansen J, Hanson L, Hantel S, Haraguchi T, Harding E, Harding T, Hardy C, Hartner C, Harun Z, Harvill L, Hasan A, Hase H, Hasegawa F, Hasegawa T, Hashimoto A, Hashimoto C, Hashimoto M, Hashimoto S, Haskett S, Hauske SJ, Hawfield A, Hayami T, Hayashi M, Hayashi S, Haynes R, Hazara A, Healy C, Hecktman J, Heine G, Henderson H, Henschel R, Hepditch A, Herfurth K, Hernandez G, Hernandez Pena A, Hernandez-Cassis C, Herrington WG, Herzog C, Hewins S, Hewitt D, Hichkad L, Higashi S, Higuchi C, Hill C, Hill L, Hill M, Himeno T, Hing A, Hirakawa Y, Hirata K, Hirota Y, Hisatake T, Hitchcock S, Hodakowski A, Hodge W, Hogan R, Hohenstatt U, Hohenstein B, Hooi L, Hope S, Hopley M, Horikawa S, Hosein D, Hosooka T, Hou L, Hou W, Howie L, Howson A, Hozak M, Htet Z, Hu X, Hu Y, Huang J, Huda N, Hudig L, Hudson A, Hugo C, Hull R, Hume L, Hundei W, Hunt N, Hunter A, Hurley S, Hurst A, Hutchinson C, Hyo T, Ibrahim FH, Ibrahim S, Ihana N, Ikeda T, Imai A, Imamine R, Inamori A, Inazawa H, Ingell J, Inomata K, Inukai Y, Ioka M, Irtiza-Ali A, Isakova T, Isari W, Iselt M, Ishiguro A, Ishihara K, Ishikawa T, Ishimoto T, Ishizuka K, Ismail R, Itano S, Ito H, Ito K, Ito M, Ito Y, Iwagaitsu S, Iwaita Y, Iwakura T, Iwamoto M, Iwasa M, Iwasaki H, Iwasaki S, Izumi K, Izumi K, Izumi T, Jaafar SM, Jackson C, Jackson Y, Jafari G, Jahangiriesmaili M, Jain N, Jansson K, Jasim H, Jeffers L, Jenkins A, Jesky M, Jesus-Silva J, Jeyarajah D, Jiang Y, Jiao X, Jimenez G, Jin B, Jin Q, Jochims J, Johns B, Johnson C, Johnson T, Jolly S, Jones L, Jones L, Jones S, Jones T, Jones V, Joseph M, Joshi S, Judge P, Junejo N, Junus S, Kachele M, Kadowaki T, Kadoya H, Kaga H, Kai H, Kajio H, Kaluza-Schilling W, Kamaruzaman L, Kamarzarian A, Kamimura Y, Kamiya H, Kamundi C, Kan T, Kanaguchi Y, Kanazawa A, Kanda E, Kanegae S, Kaneko K, Kaneko K, Kang HY, Kano T, Karim M, Karounos D, Karsan W, Kasagi R, Kashihara N, Katagiri H, Katanosaka A, Katayama A, Katayama M, Katiman E, Kato K, Kato M, Kato N, Kato S, Kato T, Kato Y, Katsuda Y, Katsuno T, Kaufeld J, Kavak Y, Kawai I, Kawai M, Kawai M, Kawase A, Kawashima S, Kazory A, Kearney J, Keith B, Kellett J, Kelley S, Kershaw M, Ketteler M, Khai Q, Khairullah Q, Khandwala H, Khoo KKL, Khwaja A, Kidokoro K, Kielstein J, Kihara M, Kimber C, Kimura S, Kinashi H, Kingston H, Kinomura M, Kinsella-Perks E, Kitagawa M, Kitajima M, Kitamura S, Kiyosue A, Kiyota M, Klauser F, Klausmann G, Kmietschak W, Knapp K, Knight C, Knoppe A, Knott C, Kobayashi M, Kobayashi R, Kobayashi T, Koch M, Kodama S, Kodani N, Kogure E, Koizumi M, Kojima H, Kojo T, Kolhe N, Komaba H, Komiya T, Komori H, Kon SP, Kondo M, Kondo M, Kong W, Konishi M, Kono K, Koshino M, Kosugi T, Kothapalli B, Kozlowski T, Kraemer B, Kraemer-Guth A, Krappe J, Kraus D, Kriatselis C, Krieger C, Krish P, Kruger B, Ku Md Razi KR, Kuan Y, Kubota S, Kuhn S, Kumar P, Kume S, Kummer I, Kumuji R, Küpper A, Kuramae T, Kurian L, Kuribayashi C, Kurien R, Kuroda E, Kurose T, Kutschat A, Kuwabara N, Kuwata H, La Manna G, Lacey M, Lafferty K, LaFleur P, Lai V, Laity E, Lambert A, Landray MJ, Langlois M, Latif F, Latore E, Laundy E, Laurienti D, Lawson A, Lay M, Leal I, Leal I, Lee AK, Lee J, Lee KQ, Lee R, Lee SA, Lee YY, Lee-Barkey Y, Leonard N, Leoncini G, Leong CM, Lerario S, Leslie A, Levin A, Lewington A, Li J, Li N, Li X, Li Y, Liberti L, Liberti ME, Liew A, Liew YF, Lilavivat U, Lim SK, Lim YS, Limon E, Lin H, Lioudaki E, Liu H, Liu J, Liu L, Liu Q, Liu WJ, Liu X, Liu Z, Loader D, Lochhead H, Loh CL, Lorimer A, Loudermilk L, Loutan J, Low CK, Low CL, Low YM, Lozon Z, Lu Y, Lucci D, Ludwig U, Luker N, Lund D, Lustig R, Lyle S, Macdonald C, MacDougall I, Machicado R, MacLean D, Macleod P, Madera A, Madore F, Maeda K, Maegawa H, Maeno S, Mafham M, Magee J, Maggioni AP, Mah DY, Mahabadi V, Maiguma M, Makita Y, Makos G, Manco L, Mangiacapra R, Manley J, Mann P, Mano S, Marcotte G, Maris J, Mark P, Markau S, Markovic M, Marshall C, Martin M, Martinez C, Martinez S, Martins G, Maruyama K, Maruyama S, Marx K, Maselli A, Masengu A, Maskill A, Masumoto S, Masutani K, Matsumoto M, Matsunaga T, Matsuoka N, Matsushita M, Matthews M, Matthias S, Matvienko E, Maurer M, Maxwell P, Mayne KJ, Mazlan N, Mazlan SA, Mbuyisa A, McCafferty K, McCarroll F, McCarthy T, McClary-Wright C, McCray K, McDermott P, McDonald C, McDougall R, McHaffie E, McIntosh K, McKinley T, 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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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K, McKinley T, McLaughlin S, McLean N, McNeil L, Measor A, Meek J, Mehta A, Mehta R, Melandri M, Mené P, Meng T, Menne J, Merritt K, Merscher S, Meshykhi C, Messa P, Messinger L, Miftari N, Miller R, Miller Y, Miller-Hodges E, Minatoguchi M, Miners M, Minutolo R, Mita T, Miura Y, Miyaji M, Miyamoto S, Miyatsuka T, Miyazaki M, Miyazawa I, Mizumachi R, Mizuno M, Moffat S, Mohamad Nor FS, Mohamad Zaini SN, Mohamed Affandi FA, Mohandas C, Mohd R, Mohd Fauzi NA, Mohd Sharif NH, Mohd Yusoff Y, Moist L, Moncada A, Montasser M, Moon A, Moran C, Morgan N, Moriarty J, Morig G, Morinaga H, Morino K, Morisaki T, Morishita Y, Morlok S, Morris A, Morris F, Mostafa S, Mostefai Y, Motegi M, Motherwell N, Motta D, Mottl A, Moys R, Mozaffari S, Muir J, Mulhern J, Mulligan S, Munakata Y, Murakami C, Murakoshi M, Murawska A, Murphy K, Murphy L, Murray S, Murtagh H, Musa MA, Mushahar L, Mustafa R, Mustafar R, Muto M, Nadar E, Nagano R, Nagasawa T, Nagashima E, Nagasu H, Nagelberg S, Nair H, Nakagawa Y, Nakahara M, Nakamura J, Nakamura R, Nakamura T, Nakaoka M, Nakashima E, Nakata J, Nakata M, Nakatani S, Nakatsuka A, Nakayama Y, Nakhoul G, Nangaku M, Naverrete G, Navivala A, Nazeer I, Negrea L, Nethaji C, Newman E, Ng SYA, Ng TJ, Ngu LLS, Nimbkar T, Nishi H, Nishi M, Nishi S, Nishida Y, Nishiyama A, Niu J, Niu P, Nobili G, Nohara N, Nojima I, Nolan J, Nosseir H, Nozawa M, Nunn M, Nunokawa S, Oda M, Oe M, Oe Y, Ogane K, Ogawa W, Ogihara T, Oguchi G, Ohsugi M, Oishi K, Okada Y, Okajyo J, Okamoto S, Okamura K, Olufuwa O, Oluyombo R, Omata A, Omori Y, Ong LM, Ong YC, Onyema J, Oomatia A, Oommen A, Oremus R, Orimo Y, Ortalda V, Osaki Y, Osawa Y, Osmond Foster J, O'Sullivan A, Otani T, Othman N, Otomo S, O'Toole J, Owen L, Ozawa T, Padiyar A, Page N, Pajak S, Paliege A, Pandey A, Pandey R, Pariani H, Park J, Parrigon M, Passauer J, Patecki M, Patel M, Patel R, Patel T, Patel Z, Paul R, Paul R, Paulsen L, Pavone L, Peixoto A, Peji J, Peng BC, Peng K, Pennino L, Pereira E, Perez E, Pergola P, Pesce F, Pessolano G, Petchey W, Petr EJ, Pfab T, Phelan P, Phillips R, Phillips T, Phipps M, Piccinni G, Pickett T, Pickworth S, Piemontese M, Pinto D, Piper J, Plummer-Morgan J, Poehler D, Polese L, Poma V, Pontremoli R, Postal A, Pötz C, Power A, Pradhan N, Pradhan R, Preiss D, Preiss E, Preston K, Prib N, Price L, Provenzano C, Pugay C, Pulido R, Putz F, Qiao Y, Quartagno R, Quashie-Akponeware M, Rabara R, Rabasa-Lhoret R, Radhakrishnan D, Radley M, Raff R, Raguwaran S, Rahbari-Oskoui F, Rahman M, Rahmat K, Ramadoss S, Ramanaidu S, Ramasamy S, Ramli R, Ramli S, Ramsey T, Rankin A, Rashidi A, Raymond L, Razali WAFA, Read K, Reiner H, Reisler A, Reith C, Renner J, Rettenmaier B, Richmond L, Rijos D, Rivera R, Rivers V, Robinson H, Rocco M, Rodriguez-Bachiller I, Rodriquez R, Roesch C, Roesch J, Rogers J, Rohnstock M, Rolfsmeier S, Roman M, Romo A, Rosati A, Rosenberg S, Ross T, Rossello X, Roura M, Roussel M, Rovner S, Roy S, Rucker S, Rump L, Ruocco M, Ruse S, Russo F, Russo M, Ryder M, Sabarai A, Saccà C, Sachson R, Sadler E, Safiee NS, Sahani M, Saillant A, Saini J, Saito C, Saito S, Sakaguchi K, Sakai M, Salim H, Salviani C, Sammons E, Sampson A, Samson F, Sandercock P, Sanguila S, Santorelli G, Santoro D, Sarabu N, Saram T, Sardell R, Sasajima H, Sasaki T, Satko S, Sato A, Sato D, Sato H, Sato H, Sato J, Sato T, Sato Y, Satoh M, Sawada K, Schanz M, Scheidemantel F, Schemmelmann M, Schettler E, Schettler V, Schlieper GR, Schmidt C, Schmidt G, Schmidt U, Schmidt-Gurtler H, Schmude M, Schneider A, Schneider I, Schneider-Danwitz C, Schomig M, Schramm T, Schreiber A, Schricker S, Schroppel B, Schulte-Kemna L, Schulz E, Schumacher B, Schuster A, Schwab A, Scolari F, Scott A, Seeger W, Seeger W, Segal M, Seifert L, Seifert M, Sekiya M, Sellars R, Seman MR, Shah S, Shah S, Shainberg L, Shanmuganathan M, Shao F, Sharma K, Sharpe C, Sheikh-Ali M, Sheldon J, Shenton C, Shepherd A, Shepperd M, Sheridan R, Sheriff Z, Shibata Y, Shigehara T, Shikata K, Shimamura K, Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Kawakita M, Iwasaki S, Moteki H, Nishio SY, Kosho T, Usami SI. Otological Features of Patients with Musculocontractural Ehlers-Danlos Syndrome Caused by Pathogenic Variants in CHST14 (mcEDS- CHST14). Genes (Basel) 2023; 14:1350. [PMID: 37510254 PMCID: PMC10379827 DOI: 10.3390/genes14071350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/19/2023] [Accepted: 06/21/2023] [Indexed: 07/30/2023] Open
Abstract
Musculocontractural Ehlers-Danlos syndrome (EDS) caused by pathogenic variants in CHST14 (mcEDS-CHST14) is a subtype of EDS characterized by multisystem malformations and progressive fragility-related manifestations. A recent international collaborative study showed that 55% of mcEDS-CHST14 patients had hearing loss (HL), more commonly of the high-frequency type. Here, we report the first systemic investigation of the otological features of patients with this disorder based on the world's largest cohort at Shinshu University Hospital. Nine patients [18 ears; four male and five female patients; mean age, 18 years old (range, 10-28)] underwent comprehensive otological evaluation: audiogram, distortion product otoacoustic emission (DPOAE) test, and tympanometry. The audiogram, available in all 18 ears, showed HL in eight patients (8/9, 89%) and in 14 ears (14/18, 78%): bilateral in six patients (6/9, 67%) and unilateral in two (2/9, 22%); mild in eight ears (8/18, 44%) and moderate in six (6/18, 33%); and high-frequency HL in five (5/18, 28%) and low-frequency HL in five (5/18, 28%). An air-bone gap was detected in one ear (1/18, 6%). DPOAE was available in 13 ears, with the presence of a response in five (5/13, 38%) and the absence in eight (8/13, 62%), including in three ears of normal hearing. Tympanometry results were available in 12 ears: Ad type in nine (9/12, 75%) and As type in one (1/12, 8.3%). Patients with mcEDS-CHST14 had a high prevalence of HL, typically sensorineural and bilateral, with mild to moderate severity, of high-frequency or low-frequency type, and sometimes with no DPOAE response. The pathophysiology underlying HL might be complex, presumably related to alterations of the tectorial membrane and/or the basilar membrane of Corti associated with disorganized collagen fibril networks. Regular and careful check-ups of hearing using multiple modalities are recommended for mcEDS-CHST14 patients.
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Affiliation(s)
| | - Satoshi Iwasaki
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto 390-8621, Japan; (S.I.); (H.M.); (S.-y.N.); (S.-i.U.)
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo 108-8329, Japan
| | - Hideaki Moteki
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto 390-8621, Japan; (S.I.); (H.M.); (S.-y.N.); (S.-i.U.)
- Department of Otolaryngology, Aizawa Hospital, Matsumoto 390-8621, Japan
| | - Shin-ya Nishio
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto 390-8621, Japan; (S.I.); (H.M.); (S.-y.N.); (S.-i.U.)
| | - Tomoki Kosho
- Department of Medical Genetics, Shinshu University School of Medicine, Matsumoto 390-8621, Japan
- Center for Medical Genetics, Shinshu University Hospital, Matsumoto 390-8621, Japan
- Division of Clinical Sequencing, Shinshu University School of Medicine, Matsumoto 390-8621, Japan
- Research Center for Supports to Advanced Science, Shinshu University, Matsumoto 390-8621, Japan
| | - Shin-ichi Usami
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto 390-8621, Japan; (S.I.); (H.M.); (S.-y.N.); (S.-i.U.)
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Oyamada S, Takahashi M, Furutate S, Oka S, Kubota E, Sakurai A, Uekusa T, Watanabe K, Iwasaki S. Speech Perception in Noise and Sound Localization for Cochlear Implant With Single-Sided Deafness Compared With Contralateral Routing of Signal Hearing Aids. Otol Neurotol 2023; 44:331-338. [PMID: 36946362 DOI: 10.1097/mao.0000000000003830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
OBJECTIVE Cochlear implantation (CI) for the treatment of single-sided deafness (SSD) is a relatively new treatment modality. Although comparing the effectiveness of CI and contralateral routing of signal (CROS) hearing aids (HAs) is important, very few reports on this topic exist. In this study, objective assessments and subjective assessments were conducted to determine which SSD individuals would prefer CI or CROS HAs. MATERIALS AND METHODS Objective assessments (speech perception and sound localization) and subjective assessments (Hearing Handicap Inventory for Adults (HHIA), Abbreviated Profile of Hearing Aid Benefit (APHAB), MOS Short-Form 36-Item Health Survey version 2 (SF-36v2)) were performed on 87 SSD patients. Of the 87 SSD patients, 33 patients hoped for CROS HAs, and 17 patients hoped for CI. The CI group underwent subjective and objective assessments at 6 and 12 months postoperatively. The CROS HAs group underwent objective assessments at 1 month after wearing CROS HAs. RESULTS After the intervention, the localization ability was significantly improved in the CI group (p < 0.05) with no significant improvement in that of the CROS HAs group (p = 0.48). No significant improvement in speech perception in noise was observed in the CROS (Signal-to-Noise ratio + 10, p = 0.08; SN + 0, p = 0.17); however, a significant improvement in the CI group was observed at 12 months postoperatively. The APHAB subscale "background noise" and SF-36v2 health concepts of role-physical, general health, vitality, role-emotional, and mental health were significantly higher in the CI group. CONCLUSION CI was superior to CROS HAs in speech perception in terms of noise and sound localization. Patients with postlingual acute-onset hearing loss and more handicaps and a more positive view of their hearing loss possibly tend to choose CI.
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Affiliation(s)
- Shogo Oyamada
- Department of Otorhinolaryngology, Mita Hospital, International University of Health and Welfare, Tokyo, Japan
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Takahashi M, Iwasaki S, Kawano T, Ikoma R, Oka S, Terasaki M, Sato H, Kariya S, Takahashi H. Efficacy and safety of 1.5% levofloxacin otic solution for the treatment of otitis media in a multicenter, randomized, double-blind, parallel-group, placebo-controlled, phase III study. Auris Nasus Larynx 2023:S0385-8146(22)00242-5. [PMID: 36599786 DOI: 10.1016/j.anl.2022.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 12/02/2022] [Accepted: 12/26/2022] [Indexed: 01/04/2023]
Abstract
OBJECTIVE The present study aimed to evaluate the efficacy and safety of 1.5% levofloxacin (LVFX) otic solution for the treatment of patients with otitis media. METHODS This multicenter, randomized, double-blind, parallel-group, placebo-controlled phase 3 trial was conducted at 34 institutions in Japan. A total of 202 patients with chronic suppurative otitis media (CSOM) or acute otitis media (AOM) were randomized into either the LVFX group or placebo group. A total of 6-10 drops of 1.5% otic solution of LVFX or its matching placebo were administered in the diseased ear twice daily, in the morning and evening for up to 10 days. Images corresponding to three clinical findings-purulent otorrhea, hyperemia (redness), and granulation tissue formation in the middle ear and tympanic membrane-for each diseased ear were evaluated using digital endoscopy by a blinded central independent review committee (BICRC) at each visit after treatment administration. RESULTS In total, the data of 201 participants (LVFX group, 99; placebo group, 102) were analyzed. The proportion of patients with disappearance (improvement rate) of all three clinical findings at the end of treatment or discontinuation by the BICRC was 46.5% (46/99) in the LVFX group and 23.5% (24/102) in the placebo group, and the difference (95% confidence interval) between the groups was 22.0% (8.7, 34.2), with a significantly higher improvement rate in the LVFX group than in the placebo group (p = 0.001; Cochran-Mantel-Haenszel test), demonstrating the efficacy of LVFX. The bacterial eradication rates were 93.9% (77/82) and 12.5% (11/88) in the LVFX and placebo groups, respectively, and the rate was significantly higher in the LVFX group than in the placebo group (p < 0.001). Treatment-related adverse events (AEs) occurred in 5.1% (5/99) and 7.8% (8/102) of the patients in the LVFX and placebo groups, respectively, and no significant difference was noted in incidence rate between the groups. CONCLUSION The clinical efficacy of 1.5% LVFX otic solution for CSOM and AOM was demonstrated by the resolution of inflammation in the middle ear and tympanic membrane as well as through the high bacterial eradication rate observed. No deaths or serious treatment-related AEs were observed. The study provided confirmation that 1.5% LVFX otic solution is a safe, well-tolerated, and effective treatment for CSOM and AOM.
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Affiliation(s)
- Masahiro Takahashi
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita hospital 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita hospital 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan.
| | - Toshiro Kawano
- Department of Otolaryngology, Nishiyokohama International Hospital, 56 Gumizawacho, Yokohama Totsuka-ku, Kanagawa, 245-0062, Japan
| | - Ryo Ikoma
- Department of Otolaryngology, Yokohama Minami Kyosai Hospital, 1-21-1 Mutsuurahigashi, Yokohama Kanazawa-ku, Kanagawa, 236-0037, Japan
| | - Shigeru Oka
- Oka Otolaryngology Clinic, 21-31, Urayasunishimachi, Okayama Minami-ku, Okayama, 702-8025, Japan
| | - Masako Terasaki
- Department of ENT, Head and Neck Surgery, Odawarashi Hospital, 46 Kuno, Odawara, Kanagawa, 250-8558, Japan
| | - Hiroaki Sato
- Department of Otolaryngology, Head and Neck Surgery, Iwate Medical University, 2-1-1 Idaidori, Shiwa-gun Yahaba-cho, Iwate, 028-3695, Japan
| | - Shin Kariya
- Department of Otolaryngology-Head & Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kitaku, Okayama 700-8558, Japan
| | - Haruo Takahashi
- Department of Otolaryngology, Nagasaki Harbor Medical Center, 6-39 Shinchi-machi, Nagasaki, 850-8555, Japan
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Oka SI, Kanai K, Oka A, Kitamura H, Furutate S, Oyamada S, Takahashi M, Iwasaki S, Koike T, Mochizuki T, Okano M. A case of intractable chronic rhinosinusitis without nasal polyps leading remission after treatment switching from anti-IL-5 to anti-IL-4Rα monoclonal antibody. Otolaryngology Case Reports 2023. [DOI: 10.1016/j.xocr.2023.100512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
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Iwasaki S. Advances in auditory implants. Auris Nasus Larynx 2022; 50:321-326. [PMID: 36114071 DOI: 10.1016/j.anl.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 08/21/2022] [Accepted: 09/01/2022] [Indexed: 11/30/2022]
Abstract
Auditory implants are classified into bone conduction (BAHA and Bonebridge; BB) and active middle ear implants (Vibrant Soundbridge; VSB) that stimulate cochlear hair cells, and cochlear implants (CIs) that stimulate neural structures. CIs should be performed as early as possible, and bilateral CIs have become popular because sound localization and speech recognition can be improved. CI is also considered a desirable treatment option for patients with single-sided deafness. VSB provides a safe and effective option for patients with conductive or mixed hearing loss and moderate to severe sensorineural hearing loss (SNHL); however, it use in patients with conductive or mixed hearing loss have only been approved in Japan. BAHA and BB implants have been approved by national insurance in Japan as bone conduction implants for patients with conductive or mixed hearing loss. Two fully implantable devices (Cochlear Carina and Envoy Esteem) are provided for patients with SNHL.
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Affiliation(s)
- Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, 1-4-3, Mita, Minato-ku, Tokyo 108-8329, Japan.
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Nishio SY, Moteki H, Miyagawa M, Yamasoba T, Kashio A, Iwasaki S, Takahashi M, Naito Y, Fujiwara K, Sugaya A, Takahashi H, Kitaoka K, Usami SI. Etiology of hearing loss affects auditory skill development and vocabulary development in pediatric cochlear implantation cases. Acta Otolaryngol 2022; 142:308-315. [PMID: 35481391 DOI: 10.1080/00016489.2022.2065027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND Cochlear implantation (CI) is an effective treatment for severe-to-profound hearing loss patients and is currently used as the standard therapeutic option worldwide. However, the outcomes of CI vary among patients. AIMS/OBJECTIVES This study aimed to clarify the clinical features for each etiological group as well as the effects of etiology on CI outcomes. MATERIALS AND METHODS We collected clinical information for 308 pediatric cochlear implant cases, including the etiology, hearing thresholds, age at CI, early auditory skill development, total development, monosyllable perception, speech intelligibility and vocabulary development in school age, and compared them for each etiology group. RESULTS Among the 308 CI children registered for this survey, the most common etiology of hearing loss was genetic causes. The genetic etiology group showed the most favorable development after CI followed by the unknown etiology group, syndromic hearing loss group, congenital CMV infection group, inner ear malformation group, and cochlear nerve deficiency group. CONCLUSIONS AND SIGNIFICANCE Our results clearly indicated that the etiology of HL affects not only early auditory skill development, but also vocabulary development in school age. The results of the present study will aid in more appropriate CI outcome assessment and in more appropriate intervention or habilitation programs.
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Affiliation(s)
- Shin-ya Nishio
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Nagano, Matsumoto, Japan
| | - Hideaki Moteki
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Nagano, Matsumoto, Japan
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Nagano, Matsumoto, Japan
| | - Maiko Miyagawa
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Nagano, Matsumoto, Japan
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Nagano, Matsumoto, Japan
| | - Tatsuya Yamasoba
- Department of Otolaryngology, Faculty of Medicine, University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Akinori Kashio
- Department of Otolaryngology, Faculty of Medicine, University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Satoshi Iwasaki
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Minato-ku, Tokyo, Japan
| | - Masahiro Takahashi
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Minato-ku, Tokyo, Japan
| | - Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe-City, Hyogo, Japan
| | - Keizo Fujiwara
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe-City, Hyogo, Japan
| | - Akiko Sugaya
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmacy, Okayama, Japan
| | - Haruo Takahashi
- Department of Otolaryngology, Nagasaki University Faculty of Medicine, Nagasaki-shi, Nagasaki, Japan
| | - Kyoko Kitaoka
- Department of Otolaryngology, Nagasaki University Faculty of Medicine, Nagasaki-shi, Nagasaki, Japan
| | - Shin-ichi Usami
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Nagano, Matsumoto, Japan
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11
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Iwasa YI, Nishio SY, Yoshimura H, Sugaya A, Kataoka Y, Maeda Y, Kanda Y, Nagai K, Naito Y, Yamazaki H, Ikezono T, Matsuda H, Nakai M, Tona R, Sakurai Y, Motegi R, Takeda H, Kobayashi M, Kihara C, Ishino T, Morita SY, Iwasaki S, Takahashi M, Furutate S, Oka SI, Kubota T, Arai Y, Kobayashi Y, Kikuchi D, Shintani T, Ogasawara N, Honkura Y, Izumi S, Hyogo M, Ninoyu Y, Suematsu M, Nakayama J, Tsuchihashi N, Okami M, Sakata H, Yoshihashi H, Kobayashi T, Kumakawa K, Yoshida T, Esaki T, Usami SI. Detailed clinical features and genotype-phenotype correlation in an OTOF-related hearing loss cohort in Japan. Hum Genet 2021; 141:865-875. [PMID: 34536124 PMCID: PMC9034993 DOI: 10.1007/s00439-021-02351-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 08/23/2021] [Indexed: 11/26/2022]
Abstract
Mutations in the OTOF gene are a common cause of hereditary hearing loss and the main cause of auditory neuropathy spectrum disorder (ANSD). Although it is reported that most of the patients with OTOF mutations have stable, congenital or prelingual onset severe-to-profound hearing loss, some patients show atypical clinical phenotypes, and the genotype–phenotype correlation in patients with OTOF mutations is not yet fully understood. In this study, we aimed to reveal detailed clinical characteristics of OTOF-related hearing loss patients and the genotype–phenotype correlation. Detailed clinical information was available for 64 patients in our database who were diagnosed with OTOF-related hearing loss. As reported previously, most of the patients (90.6%) showed a “typical” phenotype; prelingual and severe-to-profound hearing loss. Forty-seven patients (73.4%) underwent cochlear implantation surgery and showed successful outcomes; approximately 85–90% of the patients showed a hearing level of 20–39 dB with cochlear implant and a Categories of Auditory Performance (CAP) scale level 6 or better. Although truncating mutations and p.Arg1939Gln were clearly related to severe phenotype, almost half of the patients with one or more non-truncating mutations showed mild-to-moderate hearing loss. Notably, patients with p.His513Arg, p.Ile1573Thr and p.Glu1910Lys showed “true” auditory neuropathy-like clinical characteristics. In this study, we have clarified genotype–phenotype correlation and efficacy of cochlear implantation for OTOF-related hearing loss patients in the biggest cohort studied to date. We believe that the clinical characteristics and genotype–phenotype correlation found in this study will support preoperative counseling and appropriate intervention for OTOF-related hearing loss patients.
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Affiliation(s)
- Yoh-Ichiro Iwasa
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-Ya Nishio
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto City, 390-8621, Japan
| | - Hidekane Yoshimura
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Akiko Sugaya
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yuko Kataoka
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yukihide Maeda
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yukihiko Kanda
- Kanda ENT Clinic, Nagasaki Bell Hearing Center, Nagasaki, Japan
| | - Kyoko Nagai
- TAKASAKI Ear Nose and Throat Clinic, Takasaki, Japan
| | - Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Hiroshi Yamazaki
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Tetsuo Ikezono
- Department of Otorhinolaryngology, Saitama School of Medicine, Moroyama, Japan
| | - Han Matsuda
- Department of Otorhinolaryngology, Saitama School of Medicine, Moroyama, Japan
| | | | - Risa Tona
- Shiga Medical Center for Children, Shiga, Japan
| | - Yuika Sakurai
- Department of Otorhinolaryngology, Jikei University School of Medicine, Tokyo, Japan
| | - Remi Motegi
- Department of Otorhinolaryngology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Hidehiko Takeda
- Department of Otorhinolaryngology, Toranomon Hospital, Tokyo, Japan
| | - Marina Kobayashi
- Department of Otorhinolaryngology, Toranomon Hospital, Tokyo, Japan
| | - Chiharu Kihara
- Department of Otolaryngology-Head and Neck Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takashi Ishino
- Department of Otorhinolaryngology, Head and Neck Surgery, Hiroshima University Hospital, Hiroshima, Japan
| | - Shin-Ya Morita
- Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Masahiro Takahashi
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Sakiko Furutate
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Shin-Ichiro Oka
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Toshinori Kubota
- Department of Otolaryngology, Head and Neck Surgery, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Yasuhiro Arai
- Department of Otorhinolaryngology-Head and Neck Surgery, Yokohama City University School of Medicine, Yokohama, Japan
| | - Yumiko Kobayashi
- Department of Otolaryngology-Head and Neck Surgery, Iwate Medical University, Morioka, Japan
| | - Daisuke Kikuchi
- Department of Otolaryngology, Fukushima Medical University, Fukushima, Japan
| | - Tomoko Shintani
- Department of Microbiology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Noriko Ogasawara
- Department of Microbiology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yohei Honkura
- Department of Otolaryngology-Head and Neck Surgery, Tohoku University School of Medicine, Sendai, Japan
| | - Shuji Izumi
- Department of Otolaryngology Head and Neck Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Misako Hyogo
- Department of Otolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yuzuru Ninoyu
- Department of Otolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Mayumi Suematsu
- Department of Otolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Jun Nakayama
- Department of Otorhinolaryngology, Shiga University School of Medical Science, Otsu, Japan
| | - Nana Tsuchihashi
- Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Mayuri Okami
- Department of Otorhinolaryngology, Tokai University School of Medicine, Isehara, Japan
| | | | - Hiroshi Yoshihashi
- Department of Medical Genetics, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan
| | - Taisuke Kobayashi
- Department of Otolaryngology, Kochi University Medical School, Kochi, Japan
| | - Kozo Kumakawa
- Department of Otolaryngology, Kamio Memorial Hospital, Tokyo, Japan
| | - Tadao Yoshida
- Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tomoko Esaki
- Department of Otolaryngology, Aichi Children's Health and Medical Center, Obu, Japan
| | - Shin-Ichi Usami
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto City, 390-8621, Japan.
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12
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Niki A, Deguchi Y, Iwasaki S, Mitake T, Okuda Y, Sakaguchi A, Hirota T, Shirahama Y, Nakamichi Y, Inoue K. Gender differences in self-perceived changes among Japanese workers with depression. Occup Med (Lond) 2021; 70:680-684. [PMID: 33247305 DOI: 10.1093/occmed/kqaa202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND The number of patients living with depression continues to increase in Japan. The economic effects of depression include loss of productivity due to both absenteeism and presenteeism. Gender differences have been reported in prevalence, onset pathways and subjective symptoms of depression. AIMS To understand how workers with major depressive disorder (MDD) perceive problems in the workplace and examine gender differences in their self-perceived levels of functioning at work, noticed during the initial stages of depression. METHODS This is a cross-sectional study of Japanese workers with MDD. Participants' self-perceived changes in the level of functioning at work were surveyed after the diagnosis during the first visit. The relationship between gender and changes in the level of functioning at work as initially perceived by the participants themselves was analysed using the chi-square test, supplemented by a residual analysis. RESULTS We administered the survey to 147 workers with MDD. In terms of gender differences in initial self-perceived changes in the level of functioning at work, the proportion of men reporting reduced work efficiency was significantly higher than that of women, while the proportion of women reporting deterioration in relationships with colleagues and superiors was significantly higher than that of men. CONCLUSIONS The findings suggest that greater attention to reduced work efficiency by men and to deterioration in work relationships by women with MDD should be essential components of self-care. Managers need to pay attention to the level of functioning and provide adequate social support for employees.
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Affiliation(s)
- A Niki
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Deguchi
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - S Iwasaki
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - T Mitake
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Okuda
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - A Sakaguchi
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - T Hirota
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Shirahama
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Nakamichi
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - K Inoue
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
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13
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Yoshimura H, Takahashi M, Iwasaki S, Shinagawa J, Takashimizu I, Nagai F, Yotsuyanagi T, Usami S. Vibrant soundbridge implantation prior to auricular reconstruction with unilateral microtia-atresia. Clin Case Rep 2021; 9:e04408. [PMID: 34429978 PMCID: PMC8365392 DOI: 10.1002/ccr3.4408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 05/07/2021] [Accepted: 05/18/2021] [Indexed: 11/24/2022] Open
Abstract
We presented the first successful application of VSB implantation prior to auriculoplasty, which can provide hearing improvement in safe conditions and open new strategies for earlier hearing rehabilitation in unilateral microtia-atresia children.
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Affiliation(s)
- Hidekane Yoshimura
- Department of OtorhinolaryngologyShinshu University School of MedicineMatsumotoJapan
| | - Masahiro Takahashi
- Department of OtorhinolaryngologyInternational University of Health and Welfare Mita HospitalTokyoJapan
| | - Satoshi Iwasaki
- Department of OtorhinolaryngologyInternational University of Health and Welfare Mita HospitalTokyoJapan
| | - Jun Shinagawa
- Department of OtorhinolaryngologyShinshu University School of MedicineMatsumotoJapan
| | - Ikkei Takashimizu
- Department of Plastic and Reconstructive SurgeryShinshu University School of MedicineMatsumotoJapan
| | - Fumio Nagai
- Department of Plastic and Reconstructive SurgeryShinshu University School of MedicineMatsumotoJapan
| | - Takatoshi Yotsuyanagi
- Department of Plastic and Reconstructive SurgerySapporo Medical University School of MedicineSapporoJapan
| | - Shin‐ichi Usami
- Department of Hearing Implant SciencesShinshu University School of MedicineMatsumotoJapan
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14
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Takahashi M, Oka A, Kariya S, Gion Y, Sato Y, Iwasaki S, Oyamada S, Matsubara A, Okano M. IgG4 Expression in Patients with Eosinophilic Otitis Media. ORL J Otorhinolaryngol Relat Spec 2021; 83:167-171. [PMID: 33691317 DOI: 10.1159/000512726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 10/30/2020] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Eosinophilic otitis media (EOM) is an intractable middle ear disease recognized by an eosinophil enriched middle ear effusion and mucosa. Although precise pathogenesis of EOM remains unclear, it is characterized by type 2 inflammation. Since IgG4 is an IgG subclass induced by type 2 cytokines such as IL-4 and IL-13, we sought to characterize and compare local IgG4 expression in patients with and without EOM. METHODS Twelve patients with bilateral profound hearing loss, 9 of which underwent a cochlear implant surgery, were enrolled in this study (6 with EOM and 6 without EOM). The surgical specimens were harvested during surgery and were subjected to IgG4 immunostaining. RESULT The middle ear mucosa showed the presence of a large number of IgG4-positive cells in patients with EOM, which was significantly higher than that in patients without EOM. CONCLUSION Local IgG4 expression was observed in patients with EOM in comparison to those without EOM, suggesting that IgG4 contributes to EOM pathogenesis.
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Affiliation(s)
- Masahiro Takahashi
- Department of Otorhinolaryngology, Mita Hospital, International University Health and Welfare, Tokyo, Japan,
| | - Aiko Oka
- Department of Otorhinolaryngology, School of Medicine, International University Health and Welfare, Narita, Japan
| | - Shin Kariya
- Department of Otolaryngology - Head & Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yuka Gion
- Division of Pathophysiology, Okayama University Graduate School of Health Sciences, Okayama, Japan
| | - Yasuharu Sato
- Division of Pathophysiology, Okayama University Graduate School of Health Sciences, Okayama, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, Mita Hospital, International University Health and Welfare, Tokyo, Japan
| | - Shogo Oyamada
- Department of Otorhinolaryngology, Mita Hospital, International University Health and Welfare, Tokyo, Japan
| | - Atsushi Matsubara
- Department of Otolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Mitsuhiro Okano
- Department of Otorhinolaryngology, School of Medicine, International University Health and Welfare, Narita, Japan
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15
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Iwasaki S, Sasaki T, Ikegaya Y. Hippocampal beta oscillations predict mouse object-location associative memory performance. Hippocampus 2021; 31:503-511. [PMID: 33556218 DOI: 10.1002/hipo.23311] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/14/2020] [Accepted: 01/23/2021] [Indexed: 12/25/2022]
Abstract
Memorizing the locations of environmental cues is crucial for survival and depends on the hippocampus. We recorded local field potentials (LFPs) from the hippocampus of freely moving mice during an object location task. The power of beta-band (23-30 Hz) oscillations increased immediately before approaching objects in a memory-encoding phase. The exploration-induced beta oscillations gradually decreased during the memory-encoding session. Mice that exhibited stronger beta oscillation power exhibited better performance in the subsequent memory-retrieval test. These results suggest that beta oscillations in the hippocampal CA1 region are involved in the memory encoding of object-location associations.
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Affiliation(s)
- Satoshi Iwasaki
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Takuya Sasaki
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan.,Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Saitama, Japan
| | - Yuji Ikegaya
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan.,Center for Information and Neural Networks, National Institute of Information and Communications Technology, Suita City, Osaka, Japan
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16
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Takahashi M, Iwasaki S, Furutate S, Oka S, Oyamada S, Yasumura K. Active middle ear implant (vibrant soundbridge) in children with unilateral congenital aural atresia. Acta Otolaryngol 2021; 141:34-38. [PMID: 33043753 DOI: 10.1080/00016489.2020.1823471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Detailed studies have not been conducted on sound localization and speech perception in noise in patients with unilateral congenital aural atresia (UCAA). AIMS/OBJECTIVES To evaluate the benefits of the use of the Vibrant Soundbridge (VSB) for UCAA by performing audiometric and sound localization tests. MATERIALS AND METHODS Four children with UCAA underwent VSB (VORP 503) implantation from 2018 to 2019. Speech perception tests in noise were conducted using the Japanese monosyllable test. The spatial configuration for speech testing consisted of speech presented from the front and noise presented into the normal ear (S0N90). The sound localization test was conducted using nine loudspeakers equally distributed in a semicircle. RESULTS The children's speech perception in noise 6 months after VSB activation was significantly better than before activation (p < .05). Additionally, the children's sound localization ability after VSB activation was significantly better than before VSB activation. CONCLUSION AND SIGNIFICANCE The benefits of VSB use in children with UCAA were revealed using audiometric and sound localization tests.
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Affiliation(s)
- Masahiro Takahashi
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | - Sakiko Furutate
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | - Shinichiro Oka
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | - Shogo Oyamada
- Department of Otorhinolaryngology, International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | - Kazunori Yasumura
- Department of Plastic and Reconstructive Surgery, Kanagawa Children’s Medical Center, Kanagawa, Japan
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17
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Iwasaki S, Ikegaya Y. Contextual Fear Memory Retrieval Is Vulnerable to Hippocampal Noise. Cereb Cortex 2020; 31:785-794. [DOI: 10.1093/cercor/bhaa257] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/24/2020] [Accepted: 08/14/2020] [Indexed: 01/07/2023] Open
Abstract
Abstract
Memory retrieval depends on reactivation of memory engram cells. Inadvertent activation of these cells is expected to cause memory-retrieval failure, but little is known about how noisy activity of memory-irrelevant neurons impacts mnemonic processes. Here, we report that optogenetic nonselective activation of only tens of hippocampal CA1 cells (∼0.01% of the total cells in the CA1 pyramidal cell layer) impairs contextual fear memory recall. Memory recall failure was associated with altered neuronal reactivation in the basolateral amygdala. These results indicate that hippocampal memory retrieval requires strictly regulated activation of a specific neuron ensemble and is easily disrupted by the introduction of noisy CA1 activity, suggesting that reactivating memory engram cells as well as silencing memory-irrelevant neurons are both crucial for memory retrieval.
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Affiliation(s)
- Satoshi Iwasaki
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo 113-0033, Japan
| | - Yuji Ikegaya
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo 113-0033, Japan
- Center for Information and Neural Networks, National Institute of Information and Communications Technology, Suita City, Osaka 565-0871, Japan
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18
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Miyajima H, Moteki H, Day T, Nishio SY, Murata T, Ikezono T, Takeda H, Abe S, Iwasaki S, Takahashi M, Naito Y, Yamazaki H, Kanda Y, Kitajiri SI, Usami SI. Novel ACTG1 mutations in patients identified by massively parallel DNA sequencing cause progressive hearing loss. Sci Rep 2020; 10:7056. [PMID: 32341388 PMCID: PMC7184572 DOI: 10.1038/s41598-020-63690-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 04/03/2020] [Indexed: 11/09/2022] Open
Abstract
Human ACTG1 mutations are associated with high-frequency hearing loss, and patients with mutations in this gene are good candidates for electric acoustic stimulation. To better understand the genetic etiology of hearing loss cases, massively parallel DNA sequencing was performed on 7,048 unrelated Japanese hearing loss probands. Among 1,336 autosomal dominant hearing loss patients, we identified 15 probands (1.1%) with 13 potentially pathogenic ACTG1 variants. Six variants were novel and seven were previously reported. We collected and analyzed the detailed clinical features of these patients. The average progression rate of hearing deterioration in pure-tone average for four frequencies was 1.7 dB/year from 0 to 50 years age, and all individuals over 60 years of age had severe hearing loss. To better understand the underlying disease-causing mechanism, intracellular localization of wild-type and mutant gamma-actins were examined using the NIH/3T3 fibroblast cell line. ACTG1 mutants p.I34M p.M82I, p.K118M and p.I165V formed small aggregates while p.R37H, p.G48R, p.E241K and p.H275Y mutant gamma-actins were distributed in a similar manner to the WT. From these results, we believe that some part of the pathogenesis of ACTG1 mutations may be driven by the inability of defective gamma-actin to be polymerized into F-actin.
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Affiliation(s)
- Hiroki Miyajima
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hideaki Moteki
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan.,Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | - Timothy Day
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan.,Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-Ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan.,Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | | | - Tetsuo Ikezono
- Department of Otorhinolaryngology, Saitama Medical University, Irima, Japan
| | - Hidehiko Takeda
- Department of Otorhinolaryngology, Toranomon Hospital, Tokyo, Japan
| | - Satoko Abe
- Department of Otorhinolaryngology, Toranomon Hospital, Tokyo, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Masahiro Takahashi
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Yasushi Naito
- Departments of Otolaryngology - Head and Neck Surgery, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Hiroshi Yamazaki
- Department of Otolaryngology, Osaka Red Cross Hospital, Osaka, Japan
| | - Yukihiko Kanda
- Kanda ENT Clinic, Nagasaki Bell Hearing Center, Nagasaki, Japan
| | - Shin-Ichiro Kitajiri
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-Ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan. .,Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan.
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Shinagawa J, Moteki H, Nishio SY, Ohyama K, Otsuki K, Iwasaki S, Masuda S, Oshikawa C, Ohta Y, Arai Y, Takahashi M, Sakuma N, Abe S, Sakurai Y, Sakaguchi H, Ishino T, Uehara N, Usami SI. Prevalence and clinical features of hearing loss caused by EYA4 variants. Sci Rep 2020; 10:3662. [PMID: 32107406 PMCID: PMC7046659 DOI: 10.1038/s41598-020-60259-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 01/21/2020] [Indexed: 12/18/2022] Open
Abstract
Variants in the EYA4 gene are known to lead to autosomal dominant non-syndromic hereditary hearing loss, DFNA10. To date, 30 variants have been shown to be responsible for hearing loss in a diverse set of nationalities. To better understand the clinical characteristics and prevalence of DFNA10, we performed genetic screening for EYA4 mutations in a large cohort of Japanese hearing loss patients. We selected 1,336 autosomal dominant hearing loss patients among 7,408 unrelated Japanese hearing loss probands and performed targeted genome enrichment and massively parallel sequencing of 68 target genes for all patients. Clinical information of cases with mutations in EYA4 was gathered and analyzed from medical charts. Eleven novel EYA4 variants (three frameshift variants, three missense variants, two nonsense variants, one splicing variant, and two single-copy number losses) and two previously reported variants were found in 12 probands (0.90%) among the 1,336 autosomal dominant hearing loss families. The audiometric configuration of truncating variants tends to deteriorate for all frequencies, whereas that of non-truncating variants tends to show high-frequency hearing loss, suggesting a new correlation between genotype and phenotype in DFNA10. The rate of hearing loss progression caused by EYA4 variants was considered to be 0.63 dB/year, as found in this study and previous reports.
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Affiliation(s)
- Jun Shinagawa
- Department of Otorhinolaryngology, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Hideaki Moteki
- Department of Otorhinolaryngology, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Shin-Ya Nishio
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Kenji Ohyama
- Department of Otolaryngology, Tohoku Rosai Hospital, 4-3-21 Dainohara, Aoba-ku, Sendai, Miyagi, 981-8563, Japan
| | - Koshi Otsuki
- Department of Otolaryngology, Fukushima Medical University, 1 Hikariga-oka, Fukushima, Fukushima, 960-1295, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan
| | - Shin Masuda
- Department of Pediatric Rehabilitation, Hiroshima Prefectural Hospital, 1-5-54 Ujina-Kanda, Minami, Hiroshima, 734-8530, Japan
| | - Chie Oshikawa
- Department of Otorhinolaryngology and Head and Neck Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, Fukuoka, 812-8582, Japan
| | - Yumi Ohta
- Department of Otorhinolaryngology-Head and Neck Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Yasuhiro Arai
- Department of Otorhinolaryngology, Head and Neck Surgery, Yokohama City University School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, Kanagawa, 236-0004, Japan
| | - Masahiro Takahashi
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan
- Department of Otorhinolaryngology, Head and Neck Surgery, Yokohama City University School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, Kanagawa, 236-0004, Japan
| | - Naoko Sakuma
- Department of Otorhinolaryngology, Yokohama City University Medical Center, 4-57 Urafune, Minami-ku, Yokohama, Kanagawa, 232-0024, Japan
| | - Satoko Abe
- Department of Otorhinolaryngology, Toranomon Hospital, 1-2-3 Toranomon, Minato-ku, Tokyo, 105-0001, Japan
| | - Yuika Sakurai
- Department of Otorhinolaryngology, Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Hirofumi Sakaguchi
- Department of Otorhinolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kajii-cho, Kamigyo-ku, Kyoto, Kyoto, 602-8566, Japan
| | - Takashi Ishino
- Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, Hiroshima, 734-8553, Japan
| | - Natsumi Uehara
- Department of Otorhinolaryngology, Head and Neck Surgery, Kobe University School of Medicine, 7-5-1 Kusunoki-machi, Chuou-ku, Kobe, 650-0017, Japan
| | - Shin-Ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan.
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan.
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Iwasa YI, Nishio SY, Sugaya A, Kataoka Y, Kanda Y, Taniguchi M, Nagai K, Naito Y, Ikezono T, Horie R, Sakurai Y, Matsuoka R, Takeda H, Abe S, Kihara C, Ishino T, Morita SY, Iwasaki S, Takahashi M, Ito T, Arai Y, Usami SI. OTOF mutation analysis with massively parallel DNA sequencing in 2,265 Japanese sensorineural hearing loss patients. PLoS One 2019; 14:e0215932. [PMID: 31095577 PMCID: PMC6522017 DOI: 10.1371/journal.pone.0215932] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 04/10/2019] [Indexed: 11/19/2022] Open
Abstract
The OTOF gene (Locus: DFNB9), encoding otoferlin, is reported to be one of the major causes of non-syndromic recessive sensorineural hearing loss, and is also reported to be the most common cause of non-syndromic recessive auditory neuropathy spectrum disorder (ANSD). In the present study, we performed OTOF mutation analysis using massively parallel DNA sequencing (MPS). The purpose of this study was to reveal the frequency and precise genetic and clinical background of OTOF-related hearing loss in a large hearing loss population. A total of 2,265 Japanese sensorineural hearing loss (SNHL) patients compatible with autosomal recessive inheritance (including sporadic cases) from 53 otorhinolaryngology departments nationwide participated in this study. The mutation analysis of 68 genes, including the OTOF gene, reported to cause non-syndromic hearing loss was performed using MPS. Thirty-nine out of the 2,265 patients (1.72%) carried homozygous or compound heterozygous mutations in the OTOF gene. It is assumed that the frequency of hearing loss associated with OTOF mutations is about 1.72% of autosomal recessive or sporadic SNHL cases. Hearing level information was available for 32 of 39 patients with biallelic OTOF mutations; 24 of them (75.0%) showed profound hearing loss, 7 (21.9%) showed severe hearing loss and 1 (3.1%) showed mild hearing loss. The hearing level of patients with biallelic OTOF mutations in this study was mostly severe to profound, which is consistent with the results of past reports. Eleven of the 39 patients with biallelic OTOF mutations had been diagnosed with ANSD. The genetic diagnosis of OTOF mutations has significant benefits in terms of clinical decision-making. Patients with OTOF mutations would be good candidates for cochlear implantation; therefore, the detection of OTOF mutations is quite beneficial for patients, especially for those with ANSD.
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Affiliation(s)
- Yoh-ichiro Iwasa
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Akiko Sugaya
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yuko Kataoka
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yukihiko Kanda
- Kanda ENT Clinic, Nagasaki Bell Hearing Center, Nagasaki, Japan
| | - Mirei Taniguchi
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kyoko Nagai
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Tetsuo Ikezono
- Department of Otorhinolaryngology, Saitama School of Medicine, Moroyama, Japan
| | - Rie Horie
- Shiga Medical Center for Children, Shiga, Japan
| | - Yuika Sakurai
- Department of Otorhinolaryngology, Jikei University School of Medicine, Tokyo, Japan
| | - Rina Matsuoka
- Department of Otorhinolaryngology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Hidehiko Takeda
- Department of Otorhinolaryngology, Toranomon Hospital, Tokyo, Japan
| | - Satoko Abe
- Department of Otorhinolaryngology, Toranomon Hospital, Tokyo, Japan
| | - Chiharu Kihara
- Department of Otolaryngology-Head and Neck Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takashi Ishino
- Department of Otorhinolaryngology, Head and Neck Surgery, Hiroshima University Hospital, Hiroshima, Japan
| | - Shin-ya Morita
- Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Masahiro Takahashi
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Tsukasa Ito
- Department of Otolaryngology, Head and Neck Surgery, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Yasuhiro Arai
- Department of Otorhinolaryngology-Head and Neck Surgery, Yokohama City University School of Medicine, Yokohama, Japan
| | - Shin-ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
- * E-mail:
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Tenmyo H, Sugihara R, Ohta A, Uematsu T, Tsuda T, Maruyama J, Iwasaki S, Uyama H, Kuwabata S. The Capacitor Properties of KOH Activated Porous Carbon Beads Derived from Polyacrylonitrile. BCSJ 2019. [DOI: 10.1246/bcsj.20180370] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Hiroshi Tenmyo
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Ryosuke Sugihara
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Atsushi Ohta
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Taro Uematsu
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Tetsuya Tsuda
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Jun Maruyama
- Research Division of Environmental Technology, Osaka Research Institute of Industrial Science Technology, Joto-ku, Osaka 536-8553, Japan
| | - Satoshi Iwasaki
- Research Division of Environmental Technology, Osaka Research Institute of Industrial Science Technology, Joto-ku, Osaka 536-8553, Japan
| | - Hiroshi Uyama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Susumu Kuwabata
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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22
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Nitta T, Deguchi Y, Iwasaki S, Kanchika M, Inoue K. Depression and occupational stress in Japanese school principals and vice-principals. Occup Med (Lond) 2018; 69:39-46. [DOI: 10.1093/occmed/kqy149] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- T Nitta
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Deguchi
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - S Iwasaki
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | | | - K Inoue
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
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23
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Sakaguchi T, Iwasaki S, Okada M, Okamoto K, Ikegaya Y. Ethanol facilitates socially evoked memory recall in mice by recruiting pain-sensitive anterior cingulate cortical neurons. Nat Commun 2018; 9:3526. [PMID: 30166546 PMCID: PMC6117351 DOI: 10.1038/s41467-018-05894-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 07/09/2018] [Indexed: 11/09/2022] Open
Abstract
Alcohol is a traditional social-bonding reinforcer; however, the neural mechanism underlying ethanol-driven social behaviors remains elusive. Here, we report that ethanol facilitates observational fear response. Observer mice exhibited stronger defensive immobility while observing cagemates that received repetitive foot shocks if the observer mice had experienced a brief priming foot shock. This enhancement was associated with an observation-induced recruitment of subsets of anterior cingulate cortex (ACC) neurons in the observer mouse that were responsive to its own pain. The vicariously activated ACC neurons projected their axons preferentially to the basolateral amygdala. Ethanol shifted the ACC neuronal balance toward inhibition, facilitated the preferential ACC neuronal recruitment during observation, and enhanced observational fear response, independent of an oxytocin signaling pathway. Furthermore, ethanol enhanced socially evoked fear response in autism model mice.
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Affiliation(s)
- Tetsuya Sakaguchi
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Satoshi Iwasaki
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Mami Okada
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Kazuki Okamoto
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Yuji Ikegaya
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, 113-0033, Japan. .,Center for Information and Neural Networks, National Institute of Information and Communications Technology, Suita City, Osaka, 565-0871, Japan.
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24
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Abstract
In vivo calcium imaging is a powerful tool used to record neuronal activity from living animals. For this purpose, two-photon excitation laser-scanning microscopy is commonly used because of the optical accessibility of deep tissues. In this study, we report that one-photon confocal scanning laser microscopy, when optimally tuned, is also applicable for in vivo calcium imaging from the superficial layer of the neocortex. By combining a Nipkow-disk confocal unit with a fluorescence stereo zoom microscope and a high numerical aperture objective, we succeeded in recording the fluorescence signal of individual cells at a depth of up to 160 μm in brain tissues, which corresponds to layer II of the mouse neocortex. In fact, we conducted in vivo functional multineuron calcium imaging and simultaneously recorded spontaneous activity from more than 100 neocortical layer II neurons. This one-photon confocal system provides a simple, low-cost experimental platform for time-lapse imaging from living animals.
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Affiliation(s)
- Satoshi Iwasaki
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo 113-0033, Japan
| | - Yuji Ikegaya
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo 113-0033, Japan.,Center for Information and Neural Networks, National Institute of Information and Communications Technology, Suita City, Osaka, 565-0871, Japan
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Moteki H, Isaka Y, Inaba Y, Motobayashi M, Nishio SY, Ohira S, Yano T, Iwasaki S, Shiozawa T, Koike K, Usami SI. A rational approach to identifying newborns with hearing loss caused by congenital cytomegalovirus infection by dried blood spot screening. Acta Otolaryngol 2018. [PMID: 29513124 DOI: 10.1080/00016489.2018.1441545] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
OBJECTIVE Congenital cytomegalovirus (cCMV) infection is the most common congenital infection, with the majority of infected newborns having no detectable signs. The aim of this study was to examine the accuracy of our newly developed DBS-based assay as an appropriate mass screening method for cCMV infection. METHODS Between May 2011 and October 2016, newborns delivered at six hospitals in Nagano Prefecture, Japan were enrolled prospectively. We employed dried blood spot (DBS)-based assays with real-time quantitative PCR (qPCR). RESULTS Prior to the clinical study, confirmation analysis was carried out using positive and negative controls. The sensitivity and specificity of this DBS-based qPCR assay for the detection of CMV DNA were 83 and 97%, respectively. During the study period, 9675 newborns were enrolled. The total recovery rate of DBS was 99.92% (9,667/9,675). From our analysis of the 9,667 samples, 47 DBS samples were found positive by the qPCR test (0.48%), and 9620 (99.5%) DBS samples were CMV-negative. CONCLUSIONS The risk of neural disorders associated with cCMV infection is thought likely to increase with CMV viral load in the blood. DBS screening for cCMV may be sufficient in a clinical setting, and offers a realistic and feasible option for universal mass screening.
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Affiliation(s)
- Hideaki Moteki
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yuichi Isaka
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yuji Inaba
- Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan
| | - Mitsuo Motobayashi
- Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-Ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Ohira
- Department of Obstetrics and Gynecology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Takuya Yano
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Iwasaki
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | - Tanri Shiozawa
- Department of Obstetrics and Gynecology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Kenichi Koike
- Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-Ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
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Affiliation(s)
- S Iwasaki
- Department of Neuropsychiatry, Osaka City University Graduate School of Medicine, Osaka City, Osaka, Japan
| | - Y Deguchi
- Department of Neuropsychiatry, Osaka City University Graduate School of Medicine, Osaka City, Osaka, Japan
| | - K Inoue
- Department of Neuropsychiatry, Osaka City University Graduate School of Medicine, Osaka City, Osaka, Japan
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27
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Shu Y, Maruyama J, Iwasaki S, Shen Y, Uyama H. Activated Carbon Monolith Derived from Amygdalus Pedunculata Shell and Polyacrylonitrile for Supercapacitors. BCSJ 2017. [DOI: 10.1246/bcsj.20170211] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yu Shu
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871
| | - Jun Maruyama
- Research Division of Environmental Technology, Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku, Osaka 536-8553
| | - Satoshi Iwasaki
- Research Division of Environmental Technology, Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku, Osaka 536-8553
| | - Yehua Shen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, Shaanxi Province, 710127, PR China
| | - Hiroshi Uyama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, Shaanxi Province, 710127, PR China
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28
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Lin Y, Li S, Tamaru N, Iwasaki S, Wang R, Kobayashi Y. Therapeutic effect s of Ginkgo beloba leaf preparations on psoriasis. Am J Transl Res 2017. [DOI: 10.1055/s-0037-1608179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Y Lin
- Medical Corporation Soujikai, Osaka, Japan
| | - S Li
- Medical Corporation Soujikai, Osaka, Japan
| | - N Tamaru
- Medical Corporation Soujikai, Osaka, Japan
| | - S Iwasaki
- Medical Corporation Soujikai, Osaka, Japan
| | - R Wang
- Zhejiang CONBA Pharmaceutical & Drug Research Development Corporation, Hangzhou, China
| | - Y Kobayashi
- Faculty of Medicine, Shimane University, Izumo, Japan
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29
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Shu Y, Maruyama J, Iwasaki S, Li C, Shen Y, Uyama H. Hierarchical Activated Green Carbons from Abundant Biomass Waste for Symmetric Supercapacitors. BCSJ 2017. [DOI: 10.1246/bcsj.20170172] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yu Shu
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, Shaanxi Province, PR China
| | - Jun Maruyama
- Research Division of Environmental Technology, Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku, Osaka 536-8553
| | - Satoshi Iwasaki
- Research Division of Environmental Technology, Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku, Osaka 536-8553
| | - Cong Li
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, Shaanxi Province, PR China
| | - Yehua Shen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, Shaanxi Province, PR China
| | - Hiroshi Uyama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, Shaanxi Province, PR China
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Ishiyama D, Yamada M, Makino A, Iwasaki S, Otobe Y, Shinohara A, Nishio N, Kimura Y, Itagaki A, Koyama S, Yagi M, Matsunaga Y, Mizuno K, Matsushita K. The cut-off point of short physical performance battery score for sarcopenia in older cardiac inpatients. Eur Geriatr Med 2017. [DOI: 10.1016/j.eurger.2017.05.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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31
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Sugiyama K, Kanda K, Iwasaki S, Nakazawa M, Hashikura H, Iguchi T, Sekimoto H, Itoh S, Sumita K, Takahashi A, Yamamoto J. Integral Experiments in a 120-cm Lithium Sphere. ACTA ACUST UNITED AC 2017. [DOI: 10.13182/fst85-a39977] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- K. Sugiyama
- Tohoku University Department of Nuclear Engineering Aramaki-Aoba, Sendai 980, Japan (0222) 22-1800
| | - K. Kanda
- Tohoku University Department of Nuclear Engineering Aramaki-Aoba, Sendai 980, Japan (0222) 22-1800
| | - S. Iwasaki
- Tohoku University Department of Nuclear Engineering Aramaki-Aoba, Sendai 980, Japan (0222) 22-1800
| | - M. Nakazawa
- University of Tokyo Nuclear Engineering Research Laboratory Tokai-mura, Ibaraki-ken, 319-11, Japan (0292) 82-1611
| | - H. Hashikura
- University of Tokyo Nuclear Engineering Research Laboratory Tokai-mura, Ibaraki-ken, 319-11, Japan (0292) 82-1611
| | - T. Iguchi
- University of Tokyo Department of Nuclear Engineering Hongo, Bunkyo-ku, Tokyo 113, Japan (03) 812-2111
| | - H. Sekimoto
- Tokyo Institute of Technology Research Laboratory of Nuclear Reactors O-okayama, Meguro-ku, Tokyo 152, Japan (03) 726-1111
| | - S. Itoh
- Nagoya University Department of Nuclear EngineeringFuro-cho, Chikusa-ku, Nagoya 464, Japan (052) 781-5111
| | - K. Sumita
- Osaka University Department of Nuclear EngineeringYamadaoka, Suita, Osaka 565, Japan (06) 877-5111
| | - A. Takahashi
- Osaka University Department of Nuclear EngineeringYamadaoka, Suita, Osaka 565, Japan (06) 877-5111
| | - J. Yamamoto
- Osaka University Department of Nuclear EngineeringYamadaoka, Suita, Osaka 565, Japan (06) 877-5111
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Kitano T, Miyagawa M, Nishio SY, Moteki H, Oda K, Ohyama K, Miyazaki H, Hidaka H, Nakamura KI, Murata T, Matsuoka R, Ohta Y, Nishiyama N, Kumakawa K, Furutate S, Iwasaki S, Yamada T, Ohta Y, Uehara N, Noguchi Y, Usami SI. POU4F3 mutation screening in Japanese hearing loss patients: Massively parallel DNA sequencing-based analysis identified novel variants associated with autosomal dominant hearing loss. PLoS One 2017; 12:e0177636. [PMID: 28545070 PMCID: PMC5435223 DOI: 10.1371/journal.pone.0177636] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Accepted: 05/01/2017] [Indexed: 11/18/2022] Open
Abstract
A variant in a transcription factor gene, POU4F3, is responsible for autosomal dominant nonsyndromic hereditary hearing loss, DFNA15. To date, 14 variants, including a whole deletion of POU4F3, have been reported to cause HL in various ethnic groups. In the present study, genetic screening for POU4F3 variants was carried out for a large series of Japanese hearing loss (HL) patients to clarify the prevalence and clinical characteristics of DFNA15 in the Japanese population. Massively parallel DNA sequencing of 68 target candidate genes was utilized in 2,549 unrelated Japanese HL patients (probands) to identify genomic variations responsible for HL. The detailed clinical features in patients with POU4F3 variants were collected from medical charts and analyzed. Novel 12 POU4F3 likely pathogenic variants (six missense variants, three frameshift variants, and three nonsense variants) were successfully identified in 15 probands (2.5%) among 602 families exhibiting autosomal dominant HL, whereas no variants were detected in the other 1,947 probands with autosomal recessive or inheritance pattern unknown HL. To obtain the audiovestibular configuration of the patients harboring POU4F3 variants, we collected audiograms and vestibular symptoms of the probands and their affected family members. Audiovestibular phenotypes in a total of 24 individuals from the 15 families possessing variants were characterized by progressive HL, with a large variation in the onset age and severity with or without vestibular symptoms observed. Pure-tone audiograms indicated the most prevalent configuration as mid-frequency HL type followed by high-frequency HL type, with asymmetry observed in approximately 20% of affected individuals. Analysis of the relationship between age and pure-tone average suggested that individuals with truncating variants showed earlier onset and slower progression of HL than did those with non-truncating variants. The present study showed that variants in POU4F3 were a common cause of autosomal dominant HL.
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Affiliation(s)
- Tomohiro Kitano
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Maiko Miyagawa
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hideaki Moteki
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | - Kiyoshi Oda
- Department of Otorhinolaryngology, Tohoku Rosai Hospital, Sendai, Japan
| | - Kenji Ohyama
- Department of Otorhinolaryngology, Tohoku Rosai Hospital, Sendai, Japan
| | - Hiromitsu Miyazaki
- Department of Otorhinolaryngology-Head and Neck Surgery, Tohoku University School of Medicine, Sendai, Japan
| | - Hiroshi Hidaka
- Department of Otorhinolaryngology-Head and Neck Surgery, Tohoku University School of Medicine, Sendai, Japan
| | - Ken-ichi Nakamura
- Department of Otolaryngology-Head and Neck Surgery, Jichi Medical University School of Medicine, Shimotsuke, Japan
| | - Takaaki Murata
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Rina Matsuoka
- Department of Otorhinolaryngology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Yoko Ohta
- Department of Otorhinolaryngology Head and Neck Surgery, Tokyo Medical University, Tokyo, Japan
| | - Nobuhiro Nishiyama
- Department of Otorhinolaryngology Head and Neck Surgery, Tokyo Medical University, Tokyo, Japan
| | - Kozo Kumakawa
- Department of Otorhinolaryngology, Toranomon Hospital, Tokyo, Japan
| | - Sakiko Furutate
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Takechiyo Yamada
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Fukui, Fukui, Japan
| | - Yumi Ohta
- Department of Otorhinolaryngology-Head and Neck Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Natsumi Uehara
- Department of Otolaryngology-Head and Neck Surgery, Kobe University School of Medicine, Kobe, Japan
| | - Yoshihiro Noguchi
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
- * E-mail:
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Moteki H, Nishio SY, Miyagawa M, Tsukada K, Iwasaki S, Usami SI. Long-term results of hearing preservation cochlear implant surgery in patients with residual low frequency hearing. Acta Otolaryngol 2017; 137:516-521. [PMID: 27852135 DOI: 10.1080/00016489.2016.1252061] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
CONCLUSION Differences were found between patients with stable hearing and those with progressive hearing loss in the lower frequencies with respect to the rate of progression in the contralateral ear. It is suggested that the electric acoustic stimulation (EAS) can provide improvement in hearing ability over the long-term if residual hearing might be lost to some extent. OBJECTIVE To evaluate the long-term threshold changes in the low frequency hearing of the implanted ear as compared with the non-implanted ear, and the hearing abilities with EAS along with the extent of residual hearing. METHODS Seventeen individuals were enrolled and received the EAS implant with a 24-mm FLEXeas electrode array. Hearing thresholds and speech perception were measured pre- and post-operatively for 1-5 years. Post-operative hearing preservation (HP) rates were calculated using the preservation numerical scale. RESULTS The average linear regression coefficient for the decline in hearing preservation score was -6.9 for the implanted ear and the patients were subsequently categorized into two groups: those with better than average, stable hearing; and those with worse than average, progressive hearing loss. EAS showed better results than electric stimulation alone, in spite of an absence of speech perception with acoustic stimulation.
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Affiliation(s)
- Hideaki Moteki
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Maiko Miyagawa
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Keita Tsukada
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Iwasaki
- Department of Hearing Implant Sciences, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Shin-ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
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Kitoh R, Nishio SY, Ogawa K, Kanzaki S, Hato N, Sone M, Fukuda S, Hara A, Ikezono T, Ishikawa K, Iwasaki S, Kaga K, Kakehata S, Matsubara A, Matsunaga T, Murata T, Naito Y, Nakagawa T, Nishizaki K, Noguchi Y, Sano H, Sato H, Suzuki M, Shojaku H, Takahashi H, Takeda H, Tono T, Yamashita H, Yamasoba T, Usami SI. Nationwide epidemiological survey of idiopathic sudden sensorineural hearing loss in Japan. Acta Otolaryngol 2017; 137:S8-S16. [PMID: 28394652 DOI: 10.1080/00016489.2017.1297537] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES Using a large-scale nationwide survey database, we investigated the epidemiological characteristics for idiopathic SSNHL in Japan. METHODS The subjects for this analysis were patients registered in a Japanese multicentre database between April 2014 and March 2016. A total of 3419 idiopathic SSNHL patients were registered in the database, and the clinical characteristics of the idiopathic SSNHL patients were obtained. Several factors associated with the severity of hearing impairment and prognosis were then investigated. Statistical analysis was performed to clarify the factors associated with the severity of hearing impairment and prognosis. RESULTS There were significant correlations between the severity of hearing loss and diabetes mellitus, kidney disease, past history of brain infarction, heart disease, age (under 16 years/elderly), and symptoms of vertigo/dizziness. We also analyzed the prognostic factors for idiopathic SSNHL, and found that the severity of hearing loss (Grade 3 or 4), heart disease, aged 65 years or over, time from onset to treatment (over 7 days), and symptoms of vertigo/dizziness were all significantly related to poor prognosis. CONCLUSION The present large-scale clinical survey revealed current epidemiological trends for idiopathic sudden sensorineural hearing loss (SSNHL) and various factors associated with the severity of hearing impairment and prognosis.
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Affiliation(s)
- Ryosuke Kitoh
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Kaoru Ogawa
- Department of Otorhinolaryngology Head and Neck Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Sho Kanzaki
- Department of Otorhinolaryngology Head and Neck Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Naohito Hato
- Department of Otolaryngology, Ehime University School of Medicine, Toon, Japan
| | - Michihiko Sone
- Department of Otorhinolaryngology, Nagoya University, Graduate School of Medicine, Nagoya, Japan
| | - Satoshi Fukuda
- Department of Otolaryngology-Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Akira Hara
- Department of Otolaryngology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Tetsuo Ikezono
- Department of Otorhinolaryngology, Saitama School of medicine, Moroyama, Japan
| | - Kotaro Ishikawa
- Department of Otolaryngology, Hospital, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Japan
| | - Satoshi Iwasaki
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Kimitaka Kaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Seiji Kakehata
- Department of Otorhinolaryngology, Yamagata University School of Medicine, Yamagata, Japan
| | - Atsushi Matsubara
- Department of Otorhinolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tatsuo Matsunaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Takaaki Murata
- Department of Otolaryngology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Takashi Nakagawa
- Department of Otorhinolaryngology, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Kazunori Nishizaki
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmacy, Okayama, Japan
| | - Yoshihiro Noguchi
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hajime Sano
- Department of Otolaryngology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Hiroaki Sato
- Department of Otorhinolaryngology, Iwate Medical University, Morioka, Japan
| | - Mikio Suzuki
- Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Medicine, University of the Ryukyus, Nishihara, Japan
| | - Hideo Shojaku
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Toyama, Toyama, Japan
| | - Haruo Takahashi
- Department of Otolaryngology, Nagasaki University Faculty of Medicine, Nagasaki, Japan
| | - Hidehiko Takeda
- Department of Otolaryngology, Okinaka Memorial Institute for Medical Research, Toranomon Hospital, Tokyo, Japan
| | - Testuya Tono
- Department of Otolaryngology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Hiroshi Yamashita
- Department of Otolaryngology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Tatsuya Yamasoba
- Department of Otolaryngology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Shin-ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
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Wada T, Sano H, Nishio SY, Kitoh R, Ikezono T, Iwasaki S, Kaga K, Matsubara A, Matsunaga T, Murata T, Naito Y, Suzuki M, Takahashi H, Tono T, Yamashita H, Hara A, Usami SI. Differences between acoustic trauma and other types of acute noise-induced hearing loss in terms of treatment and hearing prognosis. Acta Otolaryngol 2017; 137:S48-S52. [PMID: 28394667 DOI: 10.1080/00016489.2017.1297899] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES To evaluate the differences between acoustic trauma (AT) and other types of acute noise-induced hearing loss (ANIHL), we performed a literature search and case reviews. METHODS The literature search based on online databases was completed in September 2016. Articles on ANIHL and steroid treatment for human subjects were reviewed. The source sounds and treatment sequelae of our accumulated cases were also reviewed. Hearing loss caused by gun-shots and explosions was categorized into the AT group, while hearing loss caused by concerts and other noises was categorized into the ANIHL group. RESULTS Systemic steroid treatment did not appear to be effective, at least in the AT group, based on both the literature and our case reviews. However, effective recovery after treatment including steroids was observed in the ANIHL group. The difference in hearing recovery between the AT and ANIHL groups was statistically significant (p = .030), although differences in age, days from the onset to treatment and pretreatment hearing levels were not significant. CONCLUSIONS Hearing recovery from AT is very poor, whereas, ANIHL is recoverable to some extent. Therefore, it is essential to differentiate between these two groups for accurate prediction of the hearing prognosis and evaluation of treatment effects.
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Affiliation(s)
- Tetsuro Wada
- Department of Otolaryngology-Head & Neck Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Hajime Sano
- Department of Otolaryngology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Shin-ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Ryosuke Kitoh
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Tetsuo Ikezono
- Department of Otorhinolaryngology, Saitama School of Medicine, Moroyama, Japan
| | - Satoshi Iwasaki
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Kimitaka Kaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Atsushi Matsubara
- Department of Otorhinolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tatsuo Matsunaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Takaaki Murata
- Department of Otolaryngology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Mikio Suzuki
- Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Medicine, University of the Ryukyus, Nishihara, Japan
| | - Haruo Takahashi
- Department of Otolaryngology, Nagasaki University Faculty of Medicine, Nagasaki, Japan
| | - Testuya Tono
- Department of Otolaryngology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Hiroshi Yamashita
- Department of Otolaryngology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Akira Hara
- Department of Otolaryngology-Head & Neck Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Shin-ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
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Sato H, Kuwashima S, Nishio SY, Kitoh R, Fukuda S, Hara A, Hato N, Ikezono T, Ishikawa K, Iwasaki S, Kaga K, Matsubara A, Matsunaga T, Murata T, Naito Y, Nakagawa T, Nishizaki K, Noguchi Y, Ogawa K, Sano H, Sone M, Shojaku H, Takahashi H, Tono T, Yamashita H, Yamasoba T, Usami SI. Epidemiological survey of acute low-tone sensorineural hearing loss. Acta Otolaryngol 2017; 137:S34-S37. [PMID: 28366042 DOI: 10.1080/00016489.2017.1297538] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES A nationwide epidemiological survey involving 23 hospitals in Japan was conducted and the predictive values of demographic data were examined statistically. METHODS A total of 642 patients from 23 hospitals, including 20 university hospitals, in Japan were enrolled in the study. Age ranged from 8 to 87 years, and all were diagnosed with acute low-tone sensorineural hearing loss (ALHL) between 1994 and 2016. Demographic data for the patients, such as symptoms, gender, mean age, and distribution of ALHL grading, were collected and analyzed in relation to prognosis using Student's t-test, χ2 test and logistic regression. RESULTS Female gender (p < .013), younger age (p < .001), low-grade hearing loss (p < .001), and shorter interval between onset and initial visit (p < .004) were significantly predictive of a good prognosis. The prognosis for definite ALHL was significantly better than that for probable ALHL (p < .007). CONCLUSIONS The severity of initial hearing loss, interval between onset and initial visit and age were important prognostic indicators for ALHL, while female gender was an important prognostic indicator peculiar to ALHL.
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Affiliation(s)
- Hiroaki Sato
- Department of Otolaryngology-Head & Neck Surgery, Iwate Medical University, Morioka, Japan
| | - Shigeru Kuwashima
- Department of Otolaryngology-Head & Neck Surgery, Iwate Medical University, Morioka, Japan
| | - Shin-ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Ryosuke Kitoh
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Satoshi Fukuda
- Department of Otolaryngology-Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Akira Hara
- Department of Otolaryngology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Naohito Hato
- Department of Otolaryngology, Ehime University School of Medicine, Toon, Japan
| | - Tetsuo Ikezono
- Department of Otorhinolaryngology, Saitama School of Medicine, Moroyama, Japan
| | - Kotaro Ishikawa
- Department of Otolaryngology, Hospital, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Japan
| | - Satoshi Iwasaki
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Kimitaka Kaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Atsushi Matsubara
- Department of Otorhinolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tatsuo Matsunaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Takaaki Murata
- Department of Otolaryngology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Takashi Nakagawa
- Department of Otorhinolaryngology, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Kazunori Nishizaki
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmacy, Okayama, Japan
| | - Yoshihiro Noguchi
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Kaoru Ogawa
- Department of Otorhinolaryngology Head and Neck Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Hajime Sano
- Department of Otolaryngology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Michihiko Sone
- Department of Otorhinolaryngology, Nagoya University, Graduate School of Medicine, Nagoya, Japan
| | - Hideo Shojaku
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Toyama, Toyama, Japan
| | - Haruo Takahashi
- Department of Otolaryngology, Nagasaki University Faculty of Medicine, Nagasaki, Japan
| | - Testuya Tono
- Department of Otolaryngology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Hiroshi Yamashita
- Department of Otolaryngology, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan
| | - Tatsuya Yamasoba
- Department of Otolaryngology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Shin-ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
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Umesawa M, Kobashi G, Kitoh R, Nishio SY, Ogawa K, Hato N, Sone M, Fukuda S, Hara A, Ikezono T, Ishikawa K, Iwasaki S, Kaga K, Kakehata S, Matsubara A, Matsunaga T, Murata T, Naito Y, Nakagawa T, Nishizaki K, Noguchi Y, Sano H, Sato H, Suzuki M, Shojaku H, Takahashi H, Takeda H, Tono T, Yamashita H, Yamasoba T, Usami SI. Relationships among drinking and smoking habits, history of diseases, body mass index and idiopathic sudden sensorineural hearing loss in Japanese patients. Acta Otolaryngol 2017; 137:S17-S23. [PMID: 28366076 DOI: 10.1080/00016489.2017.1297898] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES To present the cardiovascular risk factors in idiopathic sudden sensorineural hearing loss (SSNHL) patients enrolled in a nationwide epidemiological survey of hearing disorders in Japan. MATERIALS AND METHODS We compiled the cardiovascular risk factors in 3073 idiopathic SSNHL subjects (1621 men and 1452 women) and compared their proportions with controls as part of the National Health and Nutrition Survey in Japan, 2014. The cardiovascular risk factors consisted of drinking and smoking habits, a history of five conditions related to cardiovascular disease and body mass index. RESULTS The proportion of current smokers was significantly higher among men aged 50-59, 60-69 and 70+ and among women aged 30-39, 40-49 and 60-69. The proportion of patients with a history of diabetes mellitus was significantly higher among men aged 50-59, 60-69 and 70+, but not in women. In addition, male and female SSNHL subjects aged 60-69 showed lower proportions of current drinking; and female SSNHL subjects aged 60-69 showed higher proportions of overweight (BMI ≥25 kg/m2). CONCLUSIONS The present cross-sectional study revealed showed significantly higher proportions of current smokers among both men and women as well as those with a history of diabetes mellitus among men across many age groups in patients with idiopathic SSNHL compared with the controls.
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Affiliation(s)
- Mitsumasa Umesawa
- Department of Public Health, Dokkyo Medical University, School of Medicine, Mibu, Japan
| | - Gen Kobashi
- Department of Public Health, Dokkyo Medical University, School of Medicine, Mibu, Japan
| | - Ryoshuke Kitoh
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Kaoru Ogawa
- Department of Otorhinolaryngology Head and Neck Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Naohito Hato
- Department of Otolaryngology, Ehime University School of Medicine, Toon, Japan
| | - Michihiko Sone
- Department of Otorhinolaryngology, Nagoya University, Graduate School of Medicine, Nagoya, Japan
| | - Satoshi Fukuda
- Department of Otolaryngology-Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Akira Hara
- Department of Otolaryngology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Tetsuo Ikezono
- Department of Otorhinolaryngology, Saitama School of Medicine, Moroyama, Japan
| | - Kotaro Ishikawa
- Department of Otolaryngology, Hospital, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Japan
| | - Satoshi Iwasaki
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Kimitaka Kaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Seiji Kakehata
- Department of Otorhinolaryngology, Yamagata University School of Medicine, Yamagata, Japan
| | - Atsushi Matsubara
- Department of Otorhinolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tatsuo Matsunaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Takaaki Murata
- Department of Otolaryngology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Takashi Nakagawa
- Department of Otorhinolaryngology, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Kazunori Nishizaki
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmacy, Okayama, Japan
| | - Yoshihiro Noguchi
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hajime Sano
- Department of Otolaryngology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Hiroaki Sato
- Department of Otorhinolaryngology, Iwate Medical University, Morioka, Japan
| | - Mikio Suzuki
- Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Medicine, University of the Ryukyus, Nishihara, Japan
| | - Hideo Shojaku
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Toyama, Toyama, Japan
| | - Haruo Takahashi
- Department of Otolaryngology, Nagasaki University Faculty of Medicine, Nagasaki, Japan
| | - Hidehiko Takeda
- Department of Otolaryngology, Okinaka Memorial Institute for Medical Research, Toranomon Hospital, Tokyo, Japan
| | - Tetsuya Tono
- Department of Otolaryngology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Hiroshi Yamashita
- Department of Otolaryngology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Tatsuya Yamasoba
- Department of Otolaryngology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Shin-ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
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Yoshida T, Sone M, Kitoh R, Nishio SY, Ogawa K, Kanzaki S, Hato N, Fukuda S, Hara A, Ikezono T, Ishikawa K, Iwasaki S, Kaga K, Kakehata S, Matsubara A, Matsunaga T, Murata T, Naito Y, Nakagawa T, Nishizaki K, Noguchi Y, Sano H, Sato H, Suzuki M, Shojaku H, Takahashi H, Takeda H, Tono T, Yamashita H, Yamasoba T, Usami SI. Idiopathic sudden sensorineural hearing loss and acute low-tone sensorineural hearing loss: a comparison of the results of a nationwide epidemiological survey in Japan. Acta Otolaryngol 2017; 137:S38-S43. [PMID: 28366083 DOI: 10.1080/00016489.2017.1297539] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVES The aim of this study was to investigate the differences between idiopathic sudden sensorineural hearing loss (SSNHL), and acute low-tone sensorineural hearing loss (ALHL) using the results of a nationwide survey database in Japan and to analyze the variables associated with their clinical features and the severity of hearing impairment, treatment, and prognosis. METHODS Participants were patients registered between April 2014 and March 2016 in a multicenter epidemiological survey database involving 30 university hospitals and medical centers across Japan. Statistical analysis was performed to clarify the factors associated with their clinical characteristics and the severity of hearing impairment, treatment, and prognosis. RESULTS Idiopathic SSNHL and ALHL differed significantly in terms of male-to-female ratio, age distribution, and time from onset to start of treatment. The treatment methods and hearing prognosis also differed markedly between the two diseases. A majority (92%) of idiopathic SSNHL patients were administered some type of corticosteroid, while half of the ALHL patients received corticosteroids and a diuretic agent. CONCLUSION The results suggested that idiopathic SSNHL and ALHL belonged to different categories of inner ear disease.
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Affiliation(s)
- Tadao Yoshida
- Department of Otorhinolaryngology, Nagoya University, Graduate School of Medicine, Nagoya, Japan
| | - Michihiko Sone
- Department of Otorhinolaryngology, Nagoya University, Graduate School of Medicine, Nagoya, Japan
| | - Ryosuke Kitoh
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shin-ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Kaoru Ogawa
- Department of Otorhinolaryngology Head and Neck Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Sho Kanzaki
- Department of Otorhinolaryngology Head and Neck Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Naohito Hato
- Department of Otolaryngology, Ehime University School of Medicine, Toon, Japan
| | - Satoshi Fukuda
- Department of Otolaryngology-Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Akira Hara
- Department of Otolaryngology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Tetsuo Ikezono
- Department of Otorhinolaryngology, Saitama School of Medicine, Moroyama, Japan
| | - Kotaro Ishikawa
- Department of Otolaryngology, Hospital, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Japan
| | - Satoshi Iwasaki
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Minato, Tokyo, Japan
| | - Kimitaka Kaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Seiji Kakehata
- Department of Otorhinolaryngology, Yamagata University School of Medicine, Yamagata, Japan
| | - Atsushi Matsubara
- Department of Otorhinolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tatsuo Matsunaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Takaaki Murata
- Department of Otolaryngology, Gunma University Graduate School of Medicine, Maebashi-City, Japan
| | - Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Takashi Nakagawa
- Department of Otorhinolaryngology, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Kazunori Nishizaki
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmacy, Okayama, Japan
| | - Yoshihiro Noguchi
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hajime Sano
- Department of Otolaryngology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Hiroaki Sato
- Department of Otorhinolaryngology, Iwate Medical University, Morioka, Japan
| | - Mikio Suzuki
- Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Medicine, University of the Ryukyus, Nishihara, Japan
| | - Hideo Shojaku
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Toyama, Toyama, Japan
| | - Haruo Takahashi
- Department of Otolaryngology, Nagasaki University Faculty of Medicine, Nagasaki, Japan
| | - Hidehiko Takeda
- Department of Otolaryngology, Okinaka Memorial Institute for Medical Research, Toranomon Hospital, Tokyo, Japan
| | - Testuya Tono
- Department of Otolaryngology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Hiroshi Yamashita
- Department of Otolaryngology, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan
| | - Tatsuya Yamasoba
- Department of Otolaryngology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Shin-ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
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Okada M, Hato N, Nishio SY, Kitoh R, Ogawa K, Kanzaki S, Sone M, Fukuda S, Hara A, Ikezono T, Ishikawa K, Iwasaki S, Kaga K, Kakehata S, Matsubara A, Matsunaga T, Murata T, Naito Y, Nakagawa T, Nishizaki K, Noguchi Y, Sano H, Sato H, Suzuki M, Shojaku H, Takahashi H, Takeda H, Tono T, Yamashita H, Yamasoba T, Usami SI. The effect of initial treatment on hearing prognosis in idiopathic sudden sensorineural hearing loss: a nationwide survey in Japan. Acta Otolaryngol 2017; 137:S30-S33. [PMID: 28359220 DOI: 10.1080/00016489.2017.1296970] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE To investigate the hearing prognosis of idiopathic sudden sensorineural hearing loss (SSNHL) treated with different initial therapies. METHODS Subjects consisted of patients diagnosed with idiopathic SSNHL within 7 days from onset and showing severe hearing loss (≥60 dB), who were registered in a Japanese multicenter database between April 2014 and March 2016. Subjects were divided into four groups according to initial therapy: (1) steroids, (2) steroids + Prostaglandins (PGs), (3) intratympanic steroids (ITS), and (4) no steroids. Hearing outcomes were compared among the groups. RESULTS In total, 1305 patients were enrolled. The final hearing level and hearing gain of patients treated with steroids + PGs were significantly higher than those of patients treated with steroids alone or no steroids. The ratio of good prognosis (complete recovery or marked improvement) in patients treated with steroids + PGs was higher than that in patients treated with steroids alone or no steroids. There was no difference in the prognosis of patients treated with steroids alone or no steroids. CONCLUSION A large number of patients with idiopathic SSNHL were registered in a multicenter database. PG use in combination with steroid administration was associated with a good hearing prognosis in patients with severe hearing loss.
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Affiliation(s)
- Masahiro Okada
- Department of Otolaryngology, Ehime University School of Medicine, Toon, Japan
| | - Naohito Hato
- Department of Otolaryngology, Ehime University School of Medicine, Toon, Japan
| | - Shin-ya Nishio
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Ryosuke Kitoh
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Kaoru Ogawa
- Department of Otorhinolaryngology Head and Neck Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Sho Kanzaki
- Department of Otorhinolaryngology Head and Neck Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Michihiko Sone
- Department of Otorhinolaryngology, Nagoya University, Graduate School of Medicine, Nagoya, Japan
| | - Satoshi Fukuda
- Department of Otolaryngology-Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Akira Hara
- Department of Otolaryngology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Tetsuo Ikezono
- Department of Otorhinolaryngology, Saitama School of Medicine, Moroyama, Japan
| | - Kotaro Ishikawa
- Department of Otolaryngology, Hospital, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Japan
| | - Satoshi Iwasaki
- Department of Otolaryngology, International University of Health and Welfare, Mita Hospital, Tokyo, Japan
| | - Kimitaka Kaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Seiji Kakehata
- Department of Otorhinolaryngology, Yamagata University School of Medicine, Yamagata, Japan
| | - Atsushi Matsubara
- Department of Otorhinolaryngology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tatsuo Matsunaga
- Division of Hearing and Balance Research, National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Takaaki Murata
- Department of Otolaryngology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Takashi Nakagawa
- Department of Otorhinolaryngology, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Kazunori Nishizaki
- Department of Otolaryngology-Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmacy, Okayama, Japan
| | - Yoshihiro Noguchi
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hajime Sano
- Department of Otolaryngology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Hiroaki Sato
- Department of Otorhinolaryngology, Iwate Medical University, Morioka, Japan
| | - Mikio Suzuki
- Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Medicine, University of the Ryukyus, Nishihara, Japan
| | - Hideo Shojaku
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Toyama, Toyama, Japan
| | - Haruo Takahashi
- Department of Otolaryngology, Nagasaki University Faculty of Medicine, Nagasaki, Japan
| | - Hidehiko Takeda
- Department of Otolaryngology, Okinaka Memorial Institute for Medical Research, Toranomon Hospital, Tokyo, Japan
| | - Tetsuya Tono
- Department of Otolaryngology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Hiroshi Yamashita
- Department of Otolaryngology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Tatsuya Yamasoba
- Department of Otolaryngology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Shin-ichi Usami
- Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
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Shu Y, Maruyama J, Iwasaki S, Maruyama S, Shen Y, Uyama H. Fabrication of N-doped and shape-controlled porous monolithic carbons from polyacrylonitrile for supercapacitors. RSC Adv 2017. [DOI: 10.1039/c7ra07003a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
N-doped and shape-controlled porous monolithic carbon (PMC) was easily fabricated and displayed excellent electrochemical performance as an electrode for supercapacitors.
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Affiliation(s)
- Yu Shu
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka University
- Osaka 565-0871
- Japan
| | - Jun Maruyama
- Research Division of Environmental Technology
- Osaka Research Institute of Industrial Science and Technology
- Osaka 536-8553
- Japan
| | - Satoshi Iwasaki
- Research Division of Environmental Technology
- Osaka Research Institute of Industrial Science and Technology
- Osaka 536-8553
- Japan
| | - Shohei Maruyama
- Research Division of Environmental Technology
- Osaka Research Institute of Industrial Science and Technology
- Osaka 536-8553
- Japan
| | - Yehua Shen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education
- College of Chemistry and Materials Science
- Northwest University
- Xi'an
- PR China
| | - Hiroshi Uyama
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka University
- Osaka 565-0871
- Japan
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Karino S, Usami SI, Kumakawa K, Takahash H, Tono T, Naito Y, Doi K, Ito K, Suzuki M, Sakata H, Takumi Y, Iwasaki S, Kakigi A, Yamasoba T. [Discrimination of Japanese monosyllables in patients with high-frequency hearing loss]. Nihon Jibiinkoka Gakkai Kaiho 2017; 120:68-69. [PMID: 30035469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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Karino S, Usami SI, Kumakawa K, Takahashi H, Tono T, Naito Y, Doi K, Ito K, Suzuki M, Sakata H, Takumi Y, Iwasaki S, Kakigi A, Yamasoba T. Discrimination of Japanese monosyllables in patients with high-frequency hearing loss. Auris Nasus Larynx 2016; 43:269-80. [DOI: 10.1016/j.anl.2015.10.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 09/25/2015] [Accepted: 10/16/2015] [Indexed: 11/29/2022]
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Ishiguro N, Oyamada R, Nasuhara Y, Yamada T, Miyamoto T, Imai S, Akizawa K, Fukumoto T, Iwasaki S, Iijima H, Ono K. Three-day regimen of oseltamivir for postexposure prophylaxis of influenza in wards. J Hosp Infect 2016; 94:150-3. [PMID: 27346624 DOI: 10.1016/j.jhin.2016.05.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 05/17/2016] [Indexed: 11/15/2022]
Abstract
Inpatients who had been in close contact with patients with influenza were given oseltamivir [75mg capsules once daily for adults or 2mg/kg (maximum of 75mg) once daily for children] for three days as postexposure prophylaxis (PEP). The index patients with influenza were prescribed a neuraminidase inhibitor and were discharged immediately or transferred to isolation rooms. The protective efficacy of oseltamivir for three days was 93% overall [95% confidence interval (CI) 53-99%; P=0.023] and 94% for influenza A (95% CI 61-99%; P=0.017), which is comparable to that of seven- to 10-day regimens of oseltamivir as PEP.
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Affiliation(s)
- N Ishiguro
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan.
| | - R Oyamada
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan
| | - Y Nasuhara
- Division of Hospital Safety Management, Hokkaido University Hospital, Sapporo, Japan
| | - T Yamada
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - T Miyamoto
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - S Imai
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - K Akizawa
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - T Fukumoto
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - S Iwasaki
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - H Iijima
- Clinical Research and Medical Innovation Centre, Hokkaido University Hospital, Sapporo, Japan
| | - K Ono
- Clinical Research and Medical Innovation Centre, Hokkaido University Hospital, Sapporo, Japan
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Doi K, Kanzaki S, Kumakawa K, Usami SI, Iwasaki S, Yamanaka N, Naito Y, Gyo K, Tono T, Takahashi H, Kanda Y. [Evaluation of the Effectiveness and Safety in a Multi-center Clinical Trial of VIBRANT SOUNDBRIDGE in Japan]. Nihon Jibiinkoka Gakkai Kaiho 2016; 118:1449-58. [PMID: 26964398 DOI: 10.3950/jibiinkoka.118.1449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Middle ear implants (MEIs) such as the Vibrant Soundbridge (VSB) are attractive and alternative treatments for patients with conductive, sensorineural, and mixed hearing loss who do not benefit from, or who choose not to wear, conventional hearing aids (HAs). Recent studies suggest that MEIs can provide better improvements in functional gain, speech perception, and quality of life than HAs, although there are certain risks associated with the surgery which should be taken into consideration, including facial nerve or chorda tympanic nerve damage, dysfunctions of the middle and inner ears, and future device failure/explantation. In Japan, a multi-center clinical trial of VSB was conducted between 2011-2014. A round window vibroplasty via the transmastoid approach was adopted in the protocol. The bony lip overhanging the round window membrane (RWM) was extensively but very carefully drilled to introduce the Floating Mass Transducer (FMT). Perichondrium sheets were used to stabilize the FMT onto the RWM. According to the audiological criteria, the upper limit of bone conduction should be 45 dB, 50 dB, and 65 dB from 500 Hz to 4, 000 Hz. Twenty-five patients underwent the surgery so far at 13 different medical centers. The age at the surgery was between 26-79 years old, and there were 15 males and 10 females. The cause of conductive or mixed hearing loss was middle ear diseases in 23 cases and congenital aural atresia in two cases. The data concerning on the effectiveness and safety of VSB was collected before the surgery and 20 weeks after the surgery. Significant improvements of free-field Pure Tone Audiogram (PTA) from 250 Hz to 8, 000 Hz were confirmed (p < 0.001). Hearing gain up to 40 dB was achieved in the 1, 000 Hz to 4, 000 Hz range. No deterioration in either air conduction or bone conduction at PTA was noted at 20 weeks after the surgery. Monosyllable speech perception in both quiet and noisy conditions improved significantly (p < 0.001). The speech discrimination score in both quiet and noisy conditions improved significantly too (p < 0.001). In the future, it is likely that there will be an increasing population even in Japan that will meet the criteria for MEIs such as VSB. However, the long-term efficacy and safety of these devices should be established.
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Kitoh R, Moteki H, Nishio S, Shinden S, Kanzaki S, Iwasaki S, Ogawa K, Usami SI. The effects of cochlear implantation in Japanese single-sided deafness patients: five case reports. Acta Otolaryngol 2016; 136:460-4. [PMID: 26882310 DOI: 10.3109/00016489.2015.1116046] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
CONCLUSION Cochlear implantation (CI) for Japanese single-sided deafness patients resulted in improved speech perception, increased sound localization accuracy, and reduced tinnitus handicap. OBJECTIVES This study reports results for five adult SSD cases with CI, focusing on the benefits they obtained in terms of speech recognition, sound localization, and tinnitus handicap. METHODS Five Japanese patients meeting the eligibility criteria were included in this study. All patients were implanted with a fully inserted MED-EL Concerto FLEX28® implant (MED-EL, Innsbruck, Austria). Speech perception outcomes in noise, as well as sound localization and tinnitus disturbance, were assessed pre-surgically and at 1, 3, 6, and 12 months after CI activation. RESULTS The Japanese monosyllable test score in noise improved gradually after implantation. In some cases, speech perception ability appeared unstable, particularly in the first 1-6 months after implantation. The sound localization ability showed marked improvement in all cases, with the disturbance to daily life caused by tinnitus also decreasing in all cases from the early post-operative period.
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Affiliation(s)
- Ryosuke Kitoh
- a Department of Otorhinolaryngology , Shinshu University School of Medicine , Matsumoto , Nagano , Japan
| | - Hideaki Moteki
- a Department of Otorhinolaryngology , Shinshu University School of Medicine , Matsumoto , Nagano , Japan
| | - Shinya Nishio
- a Department of Otorhinolaryngology , Shinshu University School of Medicine , Matsumoto , Nagano , Japan
| | - Seiichi Shinden
- b Department of Otolaryngology , Saiseikai Utsunomiya Hospital , Utsunomiya , Tochigi , Japan
| | - Sho Kanzaki
- c Department of Otorhinolaryngology Head and Neck Surgery , Keio University School of Medicine , Tokyo , Japan
| | - Satoshi Iwasaki
- d Department of Otolaryngology , International University of Health and Welfare, Mita Hospital , Minato , Tokyo , Japan
| | - Kaoru Ogawa
- c Department of Otorhinolaryngology Head and Neck Surgery , Keio University School of Medicine , Tokyo , Japan
| | - Shin-Ichi Usami
- a Department of Otorhinolaryngology , Shinshu University School of Medicine , Matsumoto , Nagano , Japan
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Kumakawa K, Kanzaki S, Usami SI, Iwasaki S, Yamanaka N, Doi K, Naito Y, Gyo K, Tono T, Takahashi H, Kanda Y. [Multicenter Clinical Study of Vibrant Soundbridge in Japan: Analysis of Subjective Questionnaires]. Nihon Jibiinkoka Gakkai Kaiho 2016; 118:1309-18. [PMID: 26827595 DOI: 10.3950/jibiinkoka.118.1309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The Vibrant Soundbridge (VSB) is an active middle ear implant with the Floating Mass Transducer (FMT). We performed a multicenter study to study the efficacy of the VSB by means of "the 10 Questionnaire on Hearing 2002" and "the APHAB questionnaire" at 13 hospitals between 2011 and 2013. In all, 23 patients with mixed or conductive hearing loss received VSB implantation by the round window placement technique. These individuals were generally unable to use, or gained little from conventional hearing aids or bone conduction hearing aids. Two questionnaires were administrated before the surgery and 20 weeks after the VSB implantation. Scores on every item of "the 10 Questionnaire on Hearing 2002" showed significant improvement under noise after VSB implantation. On the APHAB, the scores for Ease of Communication, Reverberation, and Background subscales improved significantly after the VSB implantation, while the score for the Aversiveness subscale alone failed to show a positive improvement from the inexperience to the new sound. Analysis of the responses to these subjective questionnaires revealed better results after VSB implantation as compared to the preoperative data. In conclusion, RW vibroplasty with the use of VSB provided subjective benefit in patients with conductive and mixed hearing loss.
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Maruyama J, Hasegawa T, Iwasaki S, Fukuhara T, Orikasa Y, Uchimoto Y. Inside Cover: Catalysis of Vanadium Ion Redox Reactions on Carbonaceous Material with Metal-N 4Sites (ChemCatChem 15/2015). ChemCatChem 2015. [DOI: 10.1002/cctc.201500800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Maruyama J, Hasegawa T, Iwasaki S, Fukuhara T, Orikasa Y, Uchimoto Y. Catalysis of Vanadium Ion Redox Reactions on Carbonaceous Material with Metal-N4Sites. ChemCatChem 2015. [DOI: 10.1002/cctc.201500362] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Iwasaki S. [Current topics of hearing aid]. Nihon Jibiinkoka Gakkai Kaiho 2015; 118:636-642. [PMID: 26591013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
- Satoshi Iwasaki
- Department of Otorhinolaryngology, International University of Health and Welfare, Mita Hospital, Minatoku, Tokyo, Japan
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Yoshimura A, Sugenoya Y, Uda S, Inui K, Iwasaki S, Taira T, Ideura T. Expression of apoptosis-preventing Bcl-2 protein and -inducing Fas antigen in glomeruli of IgA nephropathy. Contrib Nephrol 2015; 118:48-53. [PMID: 8744039 DOI: 10.1159/000425075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- A Yoshimura
- Department of Internal Medicine, Showa University Fujigaoka Hospital, Yokohama, Japan
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