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Renzhammer R, Truyen U, Buchebner B, Baumgartner G, Kobialka RM, El Wahed AA, Koch M, Ladinig A, Unterweger C. Duration of maternally derived antibodies of porcine parvovirus in growing pigs and presence of antibodies in gilts and sows vaccinated with three different parvovirus vaccines. Porcine Health Manag 2024; 10:15. [PMID: 38594736 PMCID: PMC11003177 DOI: 10.1186/s40813-024-00361-1] [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: 11/10/2023] [Accepted: 02/06/2024] [Indexed: 04/11/2024] Open
Abstract
While gilts and sows are regularly vaccinated against the porcine parvovirus (PPV), little is known on the presence of antibodies in vaccinated sows nor the decline of maternally derived antibodies (MDA) in their offspring. On twelve farms serum samples were taken from 180 gilts and sows vaccinated at least twice with one of three different commercial PPV vaccines. On nine farms, additional 270 serum samples were collected from growing pigs of three different age categories. All 450 samples were examined for PPV antibodies (Abs) by ELISA and haemagglutination inhibition (HI) assay. In total, 65% of all gilts vaccinated twice with either vaccine 1 or vaccine 3 were seronegative by HI assay. In each farm, there were at least three animals with high Ab titres (≥ 1:1280) indicating the presence of PPV in all twelve study farms. However, PPV DNA could not be detected in collected faecal samples. While low to moderately high Ab titres (1:10-1:640) were measured in 98% of twelve-weeks-old pigs, ELISA was only positive in 30% of the same pigs. Though, the statement on the duration of MDA may depend on the applied test, we could confirm an exponential decay of MDA. In addition, we could demonstrate that applied serological tools are insufficient for the confirmation of successful vaccination.
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Affiliation(s)
- René Renzhammer
- Department for Farm Animals and Veterinary Public Health, University Clinic for Swine, University of Veterinary Medicine, Vienna, Austria.
| | - Uwe Truyen
- Institute for Animal Hygiene and Veterinary Public Health, University of Leipzig, Saxony, Germany
| | - Birgit Buchebner
- Department for Farm Animals and Veterinary Public Health, University Clinic for Swine, University of Veterinary Medicine, Vienna, Austria
| | - Gertrude Baumgartner
- Department for Farm Animals and Veterinary Public Health, University Clinic for Swine, University of Veterinary Medicine, Vienna, Austria
| | - Rea Maja Kobialka
- Institute for Animal Hygiene and Veterinary Public Health, University of Leipzig, Saxony, Germany
| | - Ahmed Abd El Wahed
- Institute for Animal Hygiene and Veterinary Public Health, University of Leipzig, Saxony, Germany
| | - Michaela Koch
- Department for Farm Animals and Veterinary Public Health, University Clinic for Swine, University of Veterinary Medicine, Vienna, Austria
| | - Andrea Ladinig
- Department for Farm Animals and Veterinary Public Health, University Clinic for Swine, University of Veterinary Medicine, Vienna, Austria
| | - Christine Unterweger
- Department for Farm Animals and Veterinary Public Health, University Clinic for Swine, University of Veterinary Medicine, Vienna, Austria
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McFadden J, Tachibana I, Adra N, Collins K, Cary C, Koch M, Kaimakliotis H, Masterson TA, Rice KR. Impact of variant histology on upstaging and survival in patients with nonmuscle invasive bladder cancer undergoing radical cystectomy. Urol Oncol 2024; 42:69.e11-69.e16. [PMID: 38267301 DOI: 10.1016/j.urolonc.2023.12.008] [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: 06/28/2023] [Revised: 11/12/2023] [Accepted: 12/11/2023] [Indexed: 01/26/2024]
Abstract
INTRODUCTION Variant histology (VH) of urothelial carcinoma is uncommon and frequently presents at the muscle-invasive stage. VH is considering a significant risk factor for progression among patients with nonmuscle invasive bladder cancer (NMIBC). While there is some debate, expert opinion is generally that upfront radical cystectomy (RC) should be consider for these patients. Limited data exists to support this position. In this study, we sought to examine the rate of upstaging and overall survival for patients with VH NMIBC against patients with pure urothelial NMIBC who underwent RC, to help clarify the optimal treatment strategy for these patients. METHODS The institutional REDCap database was utilized to identify all patients with T1 and Ta bladder cancer that underwent RC over the study period (2004-2022). Matched-pair analysis was performed between patients with VH and pure urothelial NMIBC; 42 pairs were matched on prior intravesical therapy, presence of muscularis propria on transurethral resection of bladder tumor (TURBT), any carcinoma in situ presence on prior TURBTs, and final tumor staging on TURBT. The primary outcomes of interest were pathologic tumor upstaging rate at RC and overall survival. Secondary outcomes of interest included association of demographic or pretreatment variables with upstaging, and upstaging rates for specific variant histologies. RESULTS Patients with VH NMIBC undergoing RC were upstaged at a significantly higher rate than a matched cohort of patients with pure urothelial NMIBC (73.8% vs. 52.4%, P = 0.0244) and among those upstaged, had significantly higher rates of pT3 to pT4 (54.7% vs. 23.8%, P = 0.0088). Rate of node positivity at RC for VH NMIBC was also higher compared to pure urothelial NMIBC (40.5% vs. 21.4%, P = 0.0389). Among histologic variants, patients with plasmacytoid and sarcomatoid subtypes demonstrated the highest rates of upstaging; differences were not statistically significant. The overall median survival was 28.4 months for patients with VH after RC compared to 155.1 months for patients with pure urothelial NMIBC (P = 0.009). CONCLUSION Patients with VH NMIBC undergoing RC are at significantly higher risk of upstaging at RC when compared to patients with pure urothelial NMIBC and have worse overall survival. While this study supports the concept of an aggressive treatment approach for patients with VH NMIBC, improvements in understanding of the disease are necessary to improve outcomes.
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Affiliation(s)
- J McFadden
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN.
| | - I Tachibana
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - N Adra
- Department of Medicine, Division of Hematology/Oncology, Indiana University Hospital, Indianapolis, IN
| | - K Collins
- Department of Pathology, Indiana University School of Medicine, Indianapolis, IN
| | - C Cary
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - M Koch
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - H Kaimakliotis
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - T A Masterson
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - K R Rice
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
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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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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, 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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. 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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Unterweger C, Koch M, Winkler S, Hammer S, Oppeneder A, Ladinig A. Chlamydia suis survival in dust: First insights. Res Vet Sci 2024; 166:105109. [PMID: 38103533 DOI: 10.1016/j.rvsc.2023.105109] [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: 09/19/2023] [Revised: 11/20/2023] [Accepted: 12/07/2023] [Indexed: 12/19/2023]
Abstract
Chlamydia (C.) suis, a zoonotic intracellular bacterium, is described as a causative agent for conjunctivitis, particularly in nursery and fattening pigs. Chlamydiaceae are claimed to survive drying and to persist in dust. The objective of this study was to evaluate the viability of Chlamydia in dust sampled in a fattening pig farm with a high appearance of chlamydial-induced conjunctivitis. Dust was collected and stored at room temperature. To evaluate bacterial load and survival over time, quantitative PCR (Chlamydiaceae, C. suis) and isolation in cell culture were performed every week for up to 16 weeks. While qPCR results remained highly positive with consistent bacterial loads between 103 and 104 copy numbers/100 μL eluate over a period of 16 weeks and even after 40 weeks, it was not possible to isolate Chlamydia except for the initial sample. These results show only short-term viability of C. suis in dust. This is an important information regarding reduction of chlamydial loads in pig farms and risk for pigs and people to get infected via dust.
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Affiliation(s)
- Christine Unterweger
- University Clinic for Swine, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria.
| | - Michaela Koch
- University Clinic for Swine, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria.
| | - Simona Winkler
- University Clinic for Swine, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria.
| | - Sabine Hammer
- Institute of Immunology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria.
| | - Alexander Oppeneder
- Traunkreis Vet Clinic GmbH, Grossendorf 3, 4551 Ried im Traunkreis, Austria.
| | - Andrea Ladinig
- University Clinic for Swine, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria.
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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, 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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Sievert M, Miksch M, Hinken N, Mantsoupoulos K, Gostian AO, Thimsen V, Mueller SK, Balk M, Rupp R, Iro H, Koch M. Predictive factors for abscessing tonsillitis: a retrospective analysis. Eur Rev Med Pharmacol Sci 2023; 27:10690-10696. [PMID: 37975394 DOI: 10.26355/eurrev_202311_34349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
OBJECTIVE In clinical practice, identifying abscesses in tonsillar infections is crucial for early therapeutic management. Diagnosis of a peritonsillar abscess is usually based on clinical symptoms. Complementary examination procedures, such as laboratory parameters and imaging, are available for confirmation. PATIENTS AND METHODS A retrospective analysis was carried out of data for 752 patients who presented with acute tonsillar infection and were hospitalized between January 2012 and February 2021. The data analyses involved evaluating the patient's clinical symptoms, inflammatory parameters, and previous medical history in relation to the predictive power of these factors for the presence of an abscess. RESULTS Predictor analysis for the presence of an abscess showed significant values for trismus (OR 2.392; 95% CI, 1.305 to 4.383; p=0.005) and palatal arch protrusion (OR 29.679; 95% CI, 17.460 to 50.447; p=0.000). The inflammatory parameter C-reactive protein and the leukocyte count were not statistically significant as predictors. CONCLUSIONS The presence of a tonsillar abscess can be diagnosed from the clinical presentation alone if the findings are clear. Further diagnostic procedures are indicated in case of inconclusive findings, and ultrasound should be the primary noninvasive method. Computed tomography is only required in selected cases. Inflammatory parameters can be assessed in order to monitor therapy, but do not predict the presence of an abscess. However, if defined action sequences are being considered, tonsillar abscesses can be differentiated at an early point.
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Affiliation(s)
- M Sievert
- Department of Otorhinolaryngology, Head and Neck Surgery, Friedrich Alexander University of Erlangen-Nuremberg, Germany.
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Hinterbuchinger B, Koch M, Trimmel M, Litvan Z, Baumgartner J, Meyer EL, Friedrich F, Mossaheb N. Correction to: Psychotic-like experiences in non-clinical subgroups with and without specific beliefs. BMC Psychiatry 2023; 23:495. [PMID: 37430203 DOI: 10.1186/s12888-023-04968-6] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/12/2023] Open
Affiliation(s)
- B Hinterbuchinger
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria.
| | - M Koch
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - M Trimmel
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - Z Litvan
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - J Baumgartner
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - E L Meyer
- Section for Medical Statistics, Center for Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna, Vienna, 1090, Austria
| | - F Friedrich
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
| | - N Mossaheb
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, 1090, Austria
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Hinterbuchinger B, Koch M, Trimmel M, Litvan Z, Baumgartner J, Meyer EL, Friedrich F, Mossaheb N. Psychotic-like experiences in non-clinical subgroups with and without specific beliefs. BMC Psychiatry 2023; 23:397. [PMID: 37270507 DOI: 10.1186/s12888-023-04876-9] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 05/16/2023] [Indexed: 06/05/2023] Open
Abstract
BACKGROUND Assuming a transdiagnostic and extended psychosis phenotype, psychotic-like experiences (PLEs) and psychotic symptoms are on a phenomenological and temporal continuum between clinical and non-clinical populations. Recent research points towards differences in PLE proneness in different subgroups and clinical impact of different PLE subtypes. This study examines the prevalence of PLEs in three groups of individuals with and without specific sets of beliefs aiming to elucidate the question whether proneness to PLEs varies according to traditional versus less traditional supernatural beliefs. METHODS The anonymized 16-item version of the Prodromal Questionnaire (PQ-16) was used to assess PLEs in three groups including individuals with religious beliefs (RB), belief in esoterism and paranormal phenomena (EB), and those embedded in scientific evidence approach and scepticism towards para-scientific theories (non-believers, NB). Male and female participants between 18 and 90 years were eligible for participation. RESULTS The sample comprised 159 individuals including 41 RB individuals, 43 EB individuals, and 75 NB individuals. The mean PQ-16 score of the EB individuals (6.86 ± 4.13) was significantly higher compared to NB individuals (3.43 ± 2.99) and to RB individuals (3.38 ± 3.23) with almost twice the score (both p-values < 0.001). There was no significant difference between the PQ-16 scores of the NB group and the RB group (p = 0.935). No significant impact of age (p = 0.330) and gender (p = 0.061) was found on the PQ16-Score. Group affiliation to esoterism was associated with a higher PQ-16 score compared to group affiliation to religious beliefs (p < 0.001) and group affiliation to scepticism (p = 0.011), while the latter two did not differ significantly (p = 0.735). No significant difference was found between the three groups in the degree of distress related to the affirmatively answered PQ-16 items (p = 0.74). CONCLUSION Under the assumption of a transdiagnostic psychosis phenotype, our findings provide more insight which subgroups within non-clinical samples have a higher likelihood of reporting PLEs.
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Affiliation(s)
- B Hinterbuchinger
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria.
| | - M Koch
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - M Trimmel
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Z Litvan
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - J Baumgartner
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - E L Meyer
- Section for Medical Statistics, Center for Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna, 1090, Vienna, Austria
| | - F Friedrich
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - N Mossaheb
- Department of Psychiatry and Psychotherapy, Clinical Division of Social Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
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Koch M, Katsen-Globa A, Zolotukhina E, Silina Y. Testing of yeast cells damage using hydrogen peroxide spiking and Pd-NPs-based electrodes and impact of oxidoreductase presence on electrochemical read-out. Biochem Eng J 2023. [DOI: 10.1016/j.bej.2023.108908] [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: 03/29/2023]
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Vitzthum H, Koch M, Eckermann L, Svendsen SL, Berg P, Hübner CA, Wagner CA, Leipziger J, Meyer-Schwesinger C, Ehmke H. The AE4 transporter mediates kidney acid-base sensing. Nat Commun 2023; 14:3051. [PMID: 37236964 DOI: 10.1038/s41467-023-38562-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
The kidney plays a key role in the correction of systemic acid-base imbalances. Central for this regulation are the intercalated cells in the distal nephron, which secrete acid or base into the urine. How these cells sense acid-base disturbances is a long-standing question. Intercalated cells exclusively express the Na+-dependent Cl-/HCO3- exchanger AE4 (Slc4a9). Here we show that AE4-deficient mice exhibit a major dysregulation of acid-base balance. By combining molecular, imaging, biochemical and integrative approaches, we demonstrate that AE4-deficient mice are unable to sense and appropriately correct metabolic alkalosis and acidosis. Mechanistically, a lack of adaptive base secretion via the Cl-/HCO3- exchanger pendrin (Slc26a4) is the key cellular cause of this derailment. Our findings identify AE4 as an essential part of the renal sensing mechanism for changes in acid-base status.
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Affiliation(s)
- H Vitzthum
- Center for Experimental Medicine, Institute of Cellular and Integrative Physiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - M Koch
- Center for Experimental Medicine, Institute of Cellular and Integrative Physiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - L Eckermann
- Center for Experimental Medicine, Institute of Cellular and Integrative Physiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - S L Svendsen
- Department of Biomedicine, Physiology, Health, Aarhus University, Aarhus, Denmark
| | - P Berg
- Department of Biomedicine, Physiology, Health, Aarhus University, Aarhus, Denmark
| | - C A Hübner
- Institute of Human Genetics, University Hospital Jena, Friedrich Schiller University, Jena, Germany
| | - C A Wagner
- Institute of Physiology, University of Zurich, Zurich, Switzerland
- National Center of Competence in Research NCCR Kidney.CH, Zurich, Switzerland
| | - J Leipziger
- Department of Biomedicine, Physiology, Health, Aarhus University, Aarhus, Denmark
| | - C Meyer-Schwesinger
- Center for Experimental Medicine, Institute of Cellular and Integrative Physiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - H Ehmke
- Center for Experimental Medicine, Institute of Cellular and Integrative Physiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
- German Center for Cardiovascular Research, Partner Site Hamburg/Kiel/Lübeck, Hamburg, Germany.
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Sievert M, Aubreville M, Eckstein M, Mantsopoulos K, Koch M, Gostian AO, Mueller SK, Iro H, Goncalves M. Cellular density and variability in laryngeal and pharyngeal squamous cell carcinoma using confocal laser endomicroscopy. Eur Rev Med Pharmacol Sci 2023; 27:3622-3630. [PMID: 37140313 DOI: 10.26355/eurrev_202304_32146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
OBJECTIVE Confocal laser endomicroscopy (CLE) allows the visualization of epithelium in a thousand-fold magnification. This study analyzes the architectural differences at the cellular level of the mucosa and squamous cell carcinoma (SCC). PATIENTS AND METHODS A total of 60 CLE sequences recorded in 5 patients with SCC undergoing laryngectomy between October 2020 and February 2021 were analyzed. The corresponding histologic sample derived from H&E staining was assigned to each sequence, capturing CLE images of the tumor and healthy mucosa. In addition, the cellular structure analysis was performed to diagnose SCC by measuring the total number of cells and cell size in 60 sequences in a fixed field of view (FOV) with 240 μm in diameter (45,239 μm2). RESULTS Out of 3,600 images, 1,620 (45%) showed benign mucosa and 1,980 (55%) SCC. The automated analysis yielded a difference in cell size, with healthy epithelial cells being 171.9±82.0 μm2 smaller than SCC cells, which were 246.3±171.9 μm2 and showed greater variability in size (p=0.037). In addition, due to the probe's fixed FOV, there was a difference in cell count with a total of 188.7±38.3 and 124.8±38.6 cells in images of normal epithelium and SCC (p<0.001), respectively. Regarding cell density as a criterion for the differentiation of benign/malign, using a cut-off value of 145.5 cells/FOV, we obtained sensitivity and specificity of 88.0% and 71.9%, respectively. CONCLUSIONS SCC reveals marked differences at a cellular level compared to the healthy epithelium. Our results further support the importance of this feature for identifying SCC during CLE imaging.
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Affiliation(s)
- M Sievert
- Department of Otorhinolaryngology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Head and Neck Surgery, University Hospital, Erlangen, Germany.
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12
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Zolotukhina EV, Butyrskaya EV, Koch M, Herbeck-Engel P, Levchenko MG, Silina YE. First principles of hydrazine electrooxidation at oxide-free and oxide-based palladium electrodes in complex media. Phys Chem Chem Phys 2023; 25:9881-9893. [PMID: 36946216 DOI: 10.1039/d3cp00829k] [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: 03/10/2023]
Abstract
In this study, fundamental aspects that have impact on the electroanalytical detection of hydrazine in phosphate, acetate and yeast fermentation medium in an analytically significant concentration range by several types of palladium (Pd)-modified electrodes, namely, Pd-ink, Pd-sputtered films and palladium nanoparticles (Pd-NPs) were systematically studied. The efficiency of hydrazine electrooxidation is not affected by the composition of multicomponent medium (i), presence of oxygen (ii), morphology or electroactive area (iii), but more likely depends on the purity degree of the electrode surface from residual palladium oxides (iv). In addition, using advanced methods of nanoanalytics and quantum chemistry, the crucial role of hydrazine surface adsorption (v) on oxide-free and oxide-based Pd-electrodes is highlighted. The obtained knowledge will provide future development strategies of electrodes based on nanoparticles of noble metals for tuned and efficient hydrazine electrooxidation in complex fermentation media.
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Affiliation(s)
- E V Zolotukhina
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 142432 Chernogolovka, Moscow region, Russia
| | - E V Butyrskaya
- Department of Chemistry, Voronezh State University, Universitetskaya pl. 1, 394006 Voronezh, Russia
| | - M Koch
- INM - Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany
| | - P Herbeck-Engel
- INM - Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany
| | - M G Levchenko
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 142432 Chernogolovka, Moscow region, Russia
| | - Y E Silina
- Institute of Biochemistry, Centre for Human and Molecular Biology (ZHMB), Saarland University, 66123 Saarbrücken, Germany.
- KIST - Korea Institute of Science and Technology, Europe Forschungsgesellschaft, 66123 Campus E7 1, Saarbrücken, Germany
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13
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Tannemaat MR, Kefalas M, Geraedts VJ, Remijn-Nelissen L, Verschuuren AJM, Koch M, Kononova AV, Wang H, Bäck THW. Distinguishing normal, neuropathic and myopathic EMG with an automated machine learning approach. Clin Neurophysiol 2023; 146:49-54. [PMID: 36535091 DOI: 10.1016/j.clinph.2022.11.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [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: 06/28/2022] [Revised: 10/30/2022] [Accepted: 11/26/2022] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Distinguishing normal, neuropathic and myopathic electromyography (EMG) traces can be challenging. We aimed to create an automated time series classification algorithm. METHODS EMGs of healthy controls (HC, n = 25), patients with amyotrophic lateral sclerosis (ALS, n = 20) and inclusion body myositis (IBM, n = 20), were retrospectively selected based on longitudinal clinical follow-up data (ALS and HC) or muscle biopsy (IBM). A machine learning pipeline was applied based on 5-second EMG fragments of each muscle. Diagnostic yield expressed as area under the curve (AUC) of a receiver-operator characteristics curve, accuracy, sensitivity, and specificity were determined per muscle (muscle-level) and per patient (patient-level). RESULTS Diagnostic yield of the classification ALS vs. HC was: AUC 0.834 ± 0.014 at muscle-level and 0.856 ± 0.009 at patient-level. For the classification HC vs. IBM, AUC was 0.744 ± 0.043 at muscle-level and 0.735 ± 0.029 at patient-level. For the classification ALS vs. IBM, AUC was 0.569 ± 0.024 at muscle-level and 0.689 ± 0.035 at patient-level. CONCLUSIONS An automated time series classification algorithm can distinguish EMGs from healthy individuals from those of patients with ALS with a high diagnostic yield. Using longer EMG fragments with different levels of muscle activation may improve performance. SIGNIFICANCE In the future, machine learning algorithms may help improve the diagnostic accuracy of EMG examinations.
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Affiliation(s)
- M R Tannemaat
- Leiden University Medical Centre, Department of Neurology, The Netherlands.
| | - M Kefalas
- Leiden Institute of Advanced Computer Science, The Netherlands
| | - V J Geraedts
- Leiden University Medical Centre, Department of Neurology, The Netherlands; Leiden University Medical Centre, Department of Clinical Epidemiology, The Netherlands
| | - L Remijn-Nelissen
- Leiden University Medical Centre, Department of Neurology, The Netherlands
| | - A J M Verschuuren
- Leiden University Medical Centre, Department of Neurology, The Netherlands
| | - M Koch
- Leiden Institute of Advanced Computer Science, The Netherlands
| | - A V Kononova
- Leiden Institute of Advanced Computer Science, The Netherlands
| | - H Wang
- Leiden Institute of Advanced Computer Science, The Netherlands
| | - T H W Bäck
- Leiden Institute of Advanced Computer Science, The Netherlands
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14
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Silina Y, Fink-Straube C, Koch M, Zolotukhina E. A rapid in vitro electrochemical screening of extracellular matrix of Saccharomyces cerevisiae by palladium nanoparticles-modified electrodes. Bioelectrochemistry 2023; 149:108283. [DOI: 10.1016/j.bioelechem.2022.108283] [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] [Received: 07/18/2022] [Revised: 09/18/2022] [Accepted: 09/29/2022] [Indexed: 11/07/2022]
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Klotz L, Chin J, Futterer J, Hatiboglu G, Pavlovich C, Koch M, Penson D, Relle J, Raman S, Lotan Y, Serrallach M, Heidenreich A, Oto A, Sedelaar J, Tirkes T, Arora S, Macura K, Costa D, Pantuck A, Bomers J, Bonekamp D, Persigehl T, Clarke G, Eggener S. Four-year follow-up of MRI-guided Transurethral Ultrasound Ablation (TULSA) in men with localized prostate cancer. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01004-7] [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: 02/12/2023]
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16
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Stas MR, Kreutzmann H, Stadler J, Sassu EL, Mair KH, Koch M, Knecht C, Stadler M, Dolezal M, Balka G, Zaruba M, Mötz M, Saalmüller A, Rümenapf T, Gerner W, Ladinig A. Influence of PRRSV-1 vaccination and infection on mononuclear immune cells at the maternal-fetal interface. Front Immunol 2022; 13:1055048. [PMID: 36426366 PMCID: PMC9679432 DOI: 10.3389/fimmu.2022.1055048] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 09/27/2022] [Accepted: 10/18/2022] [Indexed: 10/21/2023] Open
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) is one of the most devastating viruses for the global swine industry. Infection during late gestation causes reproductive failure but the local immune response in utero remains poorly understood. In this study, an experimental PRRSV-infection model with two different PRRSV-1 field isolates was used to investigate the immune cell phenotypes at the maternal-fetal interface during late gestation. In addition, phenotypic changes induced by a modified live virus (MLV, ReproCyc® PRRS EU) vaccine were studied. Vaccinated (n = 12) and non-vaccinated pregnant gilts (n = 12) were challenged with either one of the PRRSV-1 field isolates (low vs. high virulent, LV or HV) or sham-inoculated at day 84 of gestation. Twenty-one days post infection all gilts were euthanized and the fetal preservation status for all fetuses per litter was assessed. Leukocytes from the maternal-fetal interface were isolated and PRRSV-induced changes were investigated using ex vivo phenotyping by flow cytometry. PRRSV load in tissue from the maternal endometrium (ME) and fetal placenta (FP) was determined by RT-qPCR. In the ME, a vast increase in CD8β T cells with CD8αposCD27dim early effector phenotype was found for fetuses from the non-vaccinated LV and HV-challenged gilts, compared to non-treated and vaccinated-only controls. HV-challenged fetuses also showed significant increases of lymphocytes with effector phenotypes in the FP, including NKp46pos NK cells, CD8αhigh γδ T cells, as well as CD8αposCD27pos/dim CD4 and CD8 T cells. In vaccinated animals, this common activation of effector phenotypes was more confined and the fetal preservation status significantly improved. Furthermore, a negative correlation between the viral load and CD163highCD169pos mononuclear phagocytic cells was observed in the FP of HV-infected animals. These results suggest that the strong expansion of effector lymphocytes in gilts that were only infected causes immune-pathogenesis rather than protection. In contrast, the attenuated MLV seems to dampen this effect, yet presumably induces memory cells that limit reproductive failure. This work provides valuable insights into changes of local immune cell phenotypes following PRRSV vaccination and infection.
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Affiliation(s)
- Melissa R. Stas
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Heinrich Kreutzmann
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Julia Stadler
- Clinic for Swine, Centre for Clinical Veterinary Medicine, Ludwig-Maximilians-University Munich, Oberschleissheim, Germany
| | - Elena L. Sassu
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Kerstin H. Mair
- Department of Pathobiology, Institute of Immunology, University of Veterinary Medicine Vienna, Vienna, Austria
- Department of Pathobiology, Christian Doppler Laboratory for Optimized Prediction of Vaccination Success in Pigs, Institute of Immunology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Michaela Koch
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Christian Knecht
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Maria Stadler
- Department of Pathobiology, Institute of Immunology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Marlies Dolezal
- Platform for Bioinformatics and Biostatistics, Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - Gyula Balka
- Department of Pathology, University of Veterinary Medicine Budapest, Budapest, Hungary
| | - Marianne Zaruba
- Department of Pathobiology, Institute of Virology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Marlene Mötz
- Department of Pathobiology, Institute of Virology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Armin Saalmüller
- Department of Pathobiology, Institute of Immunology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Till Rümenapf
- Department of Pathobiology, Institute of Virology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Wilhelm Gerner
- Department of Pathobiology, Institute of Immunology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Andrea Ladinig
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
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17
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Koch M, Eßinger TM, Maier H, Sim JH, Ren L, Greene NT, Zahnert T, Neudert M, Bornitz M. Methods and reference data for middle ear transfer functions. Sci Rep 2022; 12:17241. [PMID: 36241675 PMCID: PMC9568555 DOI: 10.1038/s41598-022-21245-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 03/11/2022] [Accepted: 09/26/2022] [Indexed: 01/06/2023] Open
Abstract
Human temporal bone specimens are used in experiments measuring the sound transfer of the middle ear, which is the standard method used in the development of active and passive middle ear implants. Statistical analyses of these experiments usually require that the TB samples are representative of the population of non-pathological middle ears. Specifically, this means that the specimens must be mechanically well-characterized. We present an in-depth statistical analysis of 478 data sets of middle ear transfer functions (METFs) from different laboratories. The data sets are preprocessed and various contributions to the variance of the data are evaluated. We then derive a statistical range as a reference against which individual METF measurements may be validated. The range is calculated as the two-sided 95% tolerance interval at audiological frequencies. In addition, the mean and 95% confidence interval of the mean are given as references for assessing the validity of a sample group. Finally, we provide a suggested procedure for measuring METFs using the methods described herein.
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Affiliation(s)
- M Koch
- Faculty of Medicine Carl Gustav Carus, ERCD-Ear Research Center Dresden at the Department of Otorhinolaryngology Head and Neck Surgery, TU Dresden, Fetscherstraße 74, 01307, Dresden, Germany.
| | - T M Eßinger
- Faculty of Medicine Carl Gustav Carus, ERCD-Ear Research Center Dresden at the Department of Otorhinolaryngology Head and Neck Surgery, TU Dresden, Fetscherstraße 74, 01307, Dresden, Germany.
| | - H Maier
- Department of Otolaryngology, Hannover Medical School, Carl-Neuberg-Str. 1a, 30625, Hannover, Germany
- Cluster of Excellence "Hearing4all", Hannover, Germany
| | - J H Sim
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - L Ren
- Eye and ENT Hospital of Fudan University, Fenyang Road 83, Shanghai, 200031, China
| | - N T Greene
- Department of Otolaryngology-Head and Neck Surgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - T Zahnert
- Faculty of Medicine Carl Gustav Carus, ERCD-Ear Research Center Dresden at the Department of Otorhinolaryngology Head and Neck Surgery, TU Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - M Neudert
- Faculty of Medicine Carl Gustav Carus, ERCD-Ear Research Center Dresden at the Department of Otorhinolaryngology Head and Neck Surgery, TU Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - M Bornitz
- Faculty of Medicine Carl Gustav Carus, ERCD-Ear Research Center Dresden at the Department of Otorhinolaryngology Head and Neck Surgery, TU Dresden, Fetscherstraße 74, 01307, Dresden, Germany
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Panther E, Lucke-Wold B, Laurent D, Osorno-Cruz C, Mehkri Y, Turner R, Polifka A, Koch M, Hoh B, Chalouhi N. Treatment of Dissecting Vertebral Pseudoaneurysms: A Single-Center Experience. Ann Neurol Neurosci 2022; 1:1002. [PMID: 36468934 PMCID: PMC9717722] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Background Dissecting vertebral artery pseudoaneurysms represent a unique clinical challenge with careful appreciation for location of the posterior inferior cerebellar artery. Limited data is available in terms of outcomes regarding the various treatment modalities. Methods 11 patients with dissecting pseudoaneurysms were identified from 2013-2021. Pseudoaneurysm size and morphology, clinical presentation, and treatment approach was collected. Success of treatment was recorded based on post-operative imaging as well as documented overall patient outcomes. Three primary treatment modalities emerged: coil embolization, stent assisted coiling, and flow diversion. Results Of the 11 patients, 5 were female and 6 were male with an age from 36 to 69.7. 7 had ruptured pseudoaneurysms at time of treatment. Size of pseudoaneurysm ranged from 3 to 6 mm. 8 were on the right and 3 were on the left vertebral artery. 8 were proximal to PICA and 3 were distal. Co-dominance of vertebral filling was seen in 5 patients, 5 with dominance through right vertebral artery, and 1 with dominance through left vertebral artery. Variability existed in treatment approaches with 4 patients undergoing coil occlusion, 5 patients undergoing flow diversion stenting, and 2 patients undergoing flow diversion stenting with jailed coiling. 1 patient had enlargement of pseudoaneurysm while inpatient and required a second flow diversion device. 1 patient had two flow diversion devices placed initially at time of treatment due to morphology of PA. 6 patients had repeat angiograms between 6 to 9 months with complete occlusion. 3 had CTA or MRA with complete occlusion for those that had flow diversion, they were transitioned from aspirin and clopidogrel to aspirin monotherapy after first repeat angiogram. 6 patients required shunt placement for hydrocephalus. 1 patient died prior to discharge due to sepsis. 2 patients died post discharge: 1 with myocardial infarction and the 2nd due to urosepsis.Dissecting vertebral pseudoaneurysm has high morbidity and mortality if rupture occurs. Location of PICA origin influences treatment approach. Patients with poor Hunt/Hess scores upon arrival had increased risk for systemic infection and mortality.
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Affiliation(s)
- E Panther
- Department of Neurosurgery, University of Florida, Gainesville
| | - B Lucke-Wold
- Department of Neurosurgery, University of Florida, Gainesville
| | - D Laurent
- Department of Neurosurgery, University of Florida, Gainesville
| | - C Osorno-Cruz
- Department of Neurosurgery, University of Iowa, Des Moines
| | - Y Mehkri
- Department of Neurosurgery, University of Florida, Gainesville
| | - R Turner
- Department of Neurosurgery, West Virginia University, Morgantown
| | - A Polifka
- Department of Neurosurgery, University of Florida, Gainesville
| | - M Koch
- Department of Neurosurgery, University of Florida, Gainesville
| | - B Hoh
- Department of Neurosurgery, University of Florida, Gainesville
| | - N Chalouhi
- Department of Neurosurgery, University of Florida, Gainesville
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Wick A, Sander A, Koch M, Bendszus M, Combs S, Haut T, Dormann A, Walter S, Pertz M, Merkle-Lock J, Selkrig N, Limprecht R, Baumann L, Kieser M, Sahm F, Schlegel U, Winkler F, Platten M, Wick W, Kessler T. Improvement of functional outcome for patients with newly diagnosed grade 2 or 3 gliomas with co-deletion of 1p/19q - IMPROVE CODEL: the NOA-18 trial. BMC Cancer 2022; 22:645. [PMID: 35692047 PMCID: PMC9190129 DOI: 10.1186/s12885-022-09720-z] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/30/2022] [Indexed: 12/05/2022] Open
Abstract
Background Given the young age of patients with CNS WHO grade 2 and 3 oligodendrogliomas and the relevant risk of neurocognitive, functional, and quality-of-life impairment with the current aggressive standard of care treatment, chemoradiation with PCV, of the tumour located in the brain optimizing care is the major challenge. Methods NOA-18 aims at improving qualified overall survival (qOS) for adult patients with CNS WHO grade 2 and 3 oligodendrogliomas by randomizing between standard chemoradiation with up to six six-weekly cycles with PCV and six six-weekly cycles with lomustine and temozolomide (CETEG) (n = 182 patients per group accrued over 4 years) thereby delaying radiotherapy and adding the chemoradiotherapy concept at progression after initial radiation-free chemotherapy, allowing for effective salvage treatment and delaying potentially deleterious side effects. QOS represents a new concept and is defined as OS without functional and/or cognitive and/or quality of life deterioration regardless of whether tumour progression or toxicity is the main cause. The primary objective is to show superiority of an initial CETEG treatment followed by partial brain radiotherapy (RT) plus PCV (RT-PCV) at progression over partial brain radiotherapy (RT) followed by procarbazine, lomustine, and vincristine (PCV) chemotherapy (RT-PCV) and best investigators choice (BIC) at progression for sustained qOS. An event concerning a sustained qOS is then defined as a functional and/or cognitive and/or quality of life deterioration after completion of primary therapy on two consecutive study visits with an interval of 3 months, tolerating a deviation of at most 1 month. Assessments are done with a 3-monthly MRI, assessment of the NANO scale, HRQoL, and KPS, and annual cognitive testing. Secondary objectives are evaluation and comparison of the two groups regarding secondary endpoints (short-term qOS, PFS, OS, complete and partial response rate). The trial is planned to be conducted at a minimum of 18 NOA study sites in Germany. Discussion qOS represents a new concept. The present NOA trial aims at showing the superiority of CETEG plus RT-PCV over RT-PCV plus BIC as determined at the level of OS without sustained functional deterioration for all patients with oligodendroglioma diagnosed according to the most recent WHO classification. Trial registration Clinicaltrials.govNCT05331521. EudraCT 2018–005027-16.
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Affiliation(s)
- A Wick
- Neurology Clinic and National Centre for Tumour Diseases, University Hospital Heidelberg, Heidelberg, Germany
| | - A Sander
- Institute of Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany
| | - M Koch
- Neurology Clinic and National Centre for Tumour Diseases, University Hospital Heidelberg, Heidelberg, Germany
| | - M Bendszus
- Department of Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany
| | - S Combs
- Department of Radiation Oncology at the Klinikum Rechts der Isar, Technical University Munich, Munich, Germany
| | - T Haut
- Neurology Clinic and National Centre for Tumour Diseases, University Hospital Heidelberg, Heidelberg, Germany
| | - A Dormann
- Neurology Clinic and National Centre for Tumour Diseases, University Hospital Heidelberg, Heidelberg, Germany
| | - S Walter
- Neurology Clinic and National Centre for Tumour Diseases, University Hospital Heidelberg, Heidelberg, Germany
| | - M Pertz
- Department of Neurology, University Hospital Knappschaftskrankenhaus Bochum, Ruhr University Bochum, Bochum, Germany
| | - J Merkle-Lock
- Coordination Centre for Clinical Trials (KKS), Medical Faculty & University Hospital Heidelberg, Heidelberg, Germany
| | - N Selkrig
- Coordination Centre for Clinical Trials (KKS), Medical Faculty & University Hospital Heidelberg, Heidelberg, Germany
| | - R Limprecht
- Institute of Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany
| | - L Baumann
- Institute of Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany
| | - M Kieser
- Institute of Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany
| | - F Sahm
- Department of Neuropathology, University Hospital Heidelberg, DKTK and CCU Neuropathology, DKFZ, Heidelberg, Germany
| | - U Schlegel
- Department of Neurology, University Hospital Knappschaftskrankenhaus Bochum, Ruhr University Bochum, Bochum, Germany
| | - F Winkler
- Neurology Clinic and National Centre for Tumour Diseases, University Hospital Heidelberg, Heidelberg, Germany.,German Cancer Consortium (DKTK), Clinical Cooperation Unit Neurooncology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - M Platten
- DKTK, Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology, DKFZ, Heidelberg, Germany.,Department of Neurology, Medical faculty, MCTN, University of Heidelberg, Mannheim, Germany
| | - W Wick
- Neurology Clinic and National Centre for Tumour Diseases, University Hospital Heidelberg, Heidelberg, Germany. .,German Cancer Consortium (DKTK), Clinical Cooperation Unit Neurooncology, German Cancer Research Center (DKFZ), Heidelberg, Germany. .,Neurology Clinic, University of Heidelberg & CCU Neurooncology, DKFZ, Im Neuenheimer Feld 400, D-69120, Heidelberg, Germany.
| | - T Kessler
- Neurology Clinic and National Centre for Tumour Diseases, University Hospital Heidelberg, Heidelberg, Germany.,German Cancer Consortium (DKTK), Clinical Cooperation Unit Neurooncology, German Cancer Research Center (DKFZ), Heidelberg, Germany
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Koch M, Carlin G, Lange S, Umek W, Krall C, Bodner-Adler B. Dauer der Pessartherapie bei Beckenorganprolaps: eine retrospektive Kohortenstudie. Geburtshilfe Frauenheilkd 2022. [DOI: 10.1055/s-0042-1750224] [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: 10/17/2022] Open
Affiliation(s)
- M Koch
- Univ. Klinik für Frauenheilkunde, Medizinische Universität Wien
| | - G Carlin
- Univ. Klinik für Frauenheilkunde, Medizinische Universität Wien
| | - S Lange
- Univ. Klinik für Frauenheilkunde, Medizinische Universität Wien
| | - W Umek
- Univ. Klinik für Frauenheilkunde, Medizinische Universität Wien
| | - C Krall
- Institut für medizinische Statistik, Medizinische Universität Wien
| | - B Bodner-Adler
- Univ. Klinik für Frauenheilkunde, Medizinische Universität Wien
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21
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Weber CJ, Opp C, Prume JA, Koch M, Andersen TJ, Chifflard P. Deposition and in-situ translocation of microplastics in floodplain soils. Sci Total Environ 2022; 819:152039. [PMID: 34856256 DOI: 10.1016/j.scitotenv.2021.152039] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 11/20/2021] [Accepted: 11/24/2021] [Indexed: 06/13/2023]
Abstract
The microplastic (MP) contamination of oceans, freshwaters, and soils has become one of the major challenges within the Anthropocene. MP is transported in large quantities through river systems from land to sea and is deposited in river sediments and floodplains. As part of the river system, floodplains and their soils are known for their sink function with respect to sediments, nutrients, and pollutants. However, the questions remain: To what extend does this deposition occur in floodplain soils? Which spatial distribution of MP accumulations, resulting from possible environmental drivers, can be found? The present study analyzes the spatial distribution of large (L-MP, 2000-1000 μm) and medium (M-MP, 1000-500 μm) MP particles in floodplain soils of the Lahn River (Germany). Based on a geospatial sampling concept, the MP contents in floodplain soils are investigated down to a depth of 2 m through a combined method approach, including MP analyses, soil surveys, properties, and sediment dating. The analysis of the plastic particles was carried out by density separation, visual fluorescence identification, and ATR-FTIR analysis. In addition, grain-size analyses and 210Pb and 137Cs dating were performed to reconstruct the MP deposition conditions. The results prove a more frequent accumulation of MP in upper floodplain soils (0-50 cm) deposited by flood dynamics since the 1960s than in subsoils. The first MP detection to a depth of 2 m and below recent (>1960) sediment accumulation indicates in-situ vertical transfer of mobile MP particles through natural processes (e.g., preferential flow, bioturbation). Furthermore, the role of MP as a potential marker of the Anthropocene is assessed. This study advances our understanding of the deposition and relocation of MP at the aquatic-terrestrial interface.
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Affiliation(s)
- C J Weber
- Philipps-University of Marburg, Department of Geography, Germany.
| | - C Opp
- Philipps-University of Marburg, Department of Geography, Germany
| | - J A Prume
- Philipps-University of Marburg, Department of Physics, Germany; Bayreuth Graduate School of Mathematical and Natural Sciences (BayNAT), University of Bayreuth, Germany
| | - M Koch
- Philipps-University of Marburg, Department of Physics, Germany
| | - T J Andersen
- University of Copenhagen, Department of Geosciences and Natural Resource Management, Denmark
| | - P Chifflard
- Philipps-University of Marburg, Department of Geography, Germany
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Abstract
Being able to estimate and predict future microplastic distributions in the environment is one of the major challenges of the rapidly developing field of microplastic research. However, this task can only be achieved if our understanding of the decay of individual microplastic particles is significantly enhanced. Here, we show by using a rate equation model that currently available data of size distributions measured at single times cannot provide useful insights into this process. To analyze what data contains more information we generated more complex artificial data mimicking subsequent measurements using a stochastic simulation algorithm. Applying our model to this data revealed the following minimal requirements for future experimental data: (1) data should be collected as time series at identical spots and (2) size measurements should be combined with mass measurements. In contrast to currently available data, flux rates and decay parameters of individual particles can be extracted from such data.
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Affiliation(s)
- T Metz
- Department of Physics, Philipps-Universität Marburg, Renthof 6, 35032, Marburg, Germany
| | - M Koch
- Department of Physics, Philipps-Universität Marburg, Renthof 6, 35032, Marburg, Germany
| | - P Lenz
- Department of Physics, Philipps-Universität Marburg, Renthof 6, 35032, Marburg, Germany.
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Handal-Marquez P, Koch M, Kestemont D, Arangundy-Franklin S, Pinheiro VB. Antha-Guided Automation of Darwin Assembly for the Construction of Bespoke Gene Libraries. Methods Mol Biol 2022; 2461:43-66. [PMID: 35727443 DOI: 10.1007/978-1-0716-2152-3_4] [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] [Indexed: 06/15/2023]
Abstract
Protein engineering through directed evolutison is facilitated by the screening and characterization of protein libraries. Efficient and effective methods for multiple site-saturation mutagenesis, such as Darwin Assembly, can accelerate the sampling of relevant sequence space and the identification of variants with desired functionalities. Here, we present the automation of the Darwin Assembly method, using a Gilson PIPETMAX™ liquid handling platform under the control of the Antha software platform, which resulted in the accelerated construction of complex, multiplexed gene libraries error-free and with minimal hands-on time, while maintaining flexibility over experimental parameters through a graphical user interface rather than requiring user-driven library-dependent programming of the liquid handling platform. We also present an approach for barcoding libraries that overcomes amplicon length limitations in next generation sequencing and enables fast reconstruction of library reads.
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Affiliation(s)
| | - M Koch
- Synthace Ltd., London, UK
| | | | - S Arangundy-Franklin
- Medical Research Council Laboratory of Molecular Biology, Cambridge, UK
- Sangamo Therapeutics Inc., Brisbane, CA, USA
| | - V B Pinheiro
- Rega Institute, KU Leuven, Leuven, Belgium.
- Institute of Structural and Molecular Biology, University College London, London, UK.
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24
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Koch M, Vasconcelos Craveiro A, Mantsopoulos K, Sievert M, Gostian AO, Iro H. Analysis of surgical treatment strategy and outcome factors in persistent tracheoesophageal fistula: a critical analysis of own cases and review of the literature. Eur Rev Med Pharmacol Sci 2022; 26:257-269. [PMID: 35049003 DOI: 10.26355/eurrev_202201_27776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
OBJECTIVE Surgical closure of persistent tracheoesophageal fistulas (TEFs) is complex. Most patients present with multiple risk factors, which may negatively impact the outcome and influence the treatment strategies. PATIENTS AND METHODS This retrospective study included 22 patients presenting with persistent TEFs. Preoperative RT, comorbidities, tissue conditions of the TEFs and neck skin, and surgical techniques were evaluated regarding a possible impact on success rates and outcome. RESULTS 21 patients were operated, 95.45% with final success. However, in 52.39% repeated surgery was needed. Final closure of TEFs was achieved in 91.47% only after more invasive surgery was performed. The surgical technique applied had the most significant impact on success rates and outcome compared to all other risk factors analyzed. Our own data and that of the literature point out that the surgical strategy should be adapted to the patients' individual risk factors. CONCLUSIONS According to the literature, surgical closure of persistent TEFss is demanding. Our data suggest that, considering that the majority of patients with persistent TEFs exhibit multiple risk factors, early performance of more invasive surgery seems associated with a better outcome.
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Affiliation(s)
- M Koch
- Department of Otorhinolaryngology, Head and Neck Surgery, Friedrich Alexander University of Erlangen-Nuremberg, Erlangen, Germany.
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25
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Niederkrotenthaler T, Baumgartner J, Kautzky A, Fellinger M, Jahn R, Wippel A, Koch M, König-Castillo D, Höflich A, Slamanig R, Topitz A, Wancata J, Till B. Effects of media stories featuring coping with suicidal crises on psychiatric patients: Randomized controlled trial. Eur Psychiatry 2021; 64:e70. [PMID: 34732271 PMCID: PMC8668446 DOI: 10.1192/j.eurpsy.2021.2244] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Accumulating evidence suggests beneficial effects of media stories featuring individuals mastering their suicidal crises, but effects have not been assessed for psychiatric patients. METHODS We randomized n = 172 adult psychiatric patients (n = 172, 97.1% inpatients) to read an educative article featuring a person mastering a suicidal crisis (n = 92) or an unrelated article (n = 80) in a single-blind randomized controlled trial. Questionnaire data were collected before (T1) and after exposure (T2) as well as 1 week later (study end-point, T3). The primary outcome was suicidal ideation as assessed with the Reasons for Living Inventory; secondary outcomes were help-seeking intentions, mood, hopelessness, and stigmatization. Differences between patients with affective versus other diagnoses were explored based on interaction tests. RESULTS We found that patients with affective disorders (n = 99) experienced a small-sized reduction of suicidal ideation at 1-week follow up (mean difference to control group [MD] at T3 = -0.17 [95% CI -0.33, -0.03], d = -0.15), whereas patients with nonaffective diagnoses (n = 73) experienced a small-sized increase (T2: MD = 0.24 [95% CI 0.06, 0.42], d = 0.19). Intervention group participants further experienced a nonsustained increase of help-seeking intentions (T2: MD = 0.53 [95% CI 0.11, 0.95], d = 0.19) and a nonsustained deterioration of mood (T2: MD = -0.14 [95% CI -0.27, -0.02], d = -0.17). CONCLUSIONS This study suggests that patients with affective disorders appear to benefit from media materials featuring mastery of suicidal crises. More research is needed to better understand which patient groups are at possible risk of unintended effects.
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Affiliation(s)
- T Niederkrotenthaler
- Unit Suicide Research & Mental Health Promotion, Department of Social and Preventive Medicine, Center for Public Health, Medical University of Vienna, Vienna, Austria.,Wiener Werkstaette for Suicide Research, Vienna, Austria
| | - J Baumgartner
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - A Kautzky
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - M Fellinger
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - R Jahn
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - A Wippel
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - M Koch
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - D König-Castillo
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - A Höflich
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - R Slamanig
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - A Topitz
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - J Wancata
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - B Till
- Unit Suicide Research & Mental Health Promotion, Department of Social and Preventive Medicine, Center for Public Health, Medical University of Vienna, Vienna, Austria.,Wiener Werkstaette for Suicide Research, Vienna, Austria
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26
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Koch M, Apushkinskaya N, Zolotukhina E, Silina Y. Towards hybrid one-pot/one-electrode Pd-NPs-based nanoreactors for modular biocatalysis. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Joachim A, Winkler C, Ruczizka U, Ladinig A, Koch M, Tichy A, Schwarz L. Comparison of different detection methods for Ascaris suum infection on Austrian swine farms. Porcine Health Manag 2021; 7:57. [PMID: 34666834 PMCID: PMC8524899 DOI: 10.1186/s40813-021-00236-9] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/11/2021] [Indexed: 11/10/2022] Open
Abstract
Background Ascaris suum, the large roundworm of pigs, is one of the economically most important pig parasites worldwide. In Austria it is commonly diagnosed by monitoring livers for milk spots at the slaughterhouse and intravital diagnosis (flotation for detection of fecal egg shedding). Recently, serological diagnosis based on the detection of specific antibodies with an ELISA (SERASCA®) with high sensitivity has been developed. To introduce and evaluate serology for A. suum screening in Austrian pigs, blood (for serology) (n = 177) and feces (for copromicroscopy) (n = 177) were taken from randomly selected slaughter pig batches from 18 farms at a slaughterhouse in Lower Austria. In addition, livers presented at slaughter (n = 844; max. 70/farm) were evaluated for milk spots. Results Overall, 19% of the livers were milk spot-positive (22% of those with complete diagnostic evaluations). Thirteen percent of the fecal samples contained A. suum eggs, while 69% of the blood samples were serologically positive. Despite we did not determine the sensitivity of the ELISA specifically, results ouf our study confirmed the high sensitivity of the ELISA, which was claimed by the manufacturer prior to our work (sensitivity: liver assessment: 23.5–27.0%; copromicroscopy: 8.5–9.0%; ELISA: 99.5%), and a high percentage of A. suum infections that remained undetected by standard liver assessment. Conclusions This suggests that the current method of roundworm diagnostics is insufficient and antibody detection at the end of the fattening period should be established as the standard procedure.
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Affiliation(s)
- Anja Joachim
- Institute of Parasitology, Department of Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Christian Winkler
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Ursula Ruczizka
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Andrea Ladinig
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Michaela Koch
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Alexander Tichy
- Bioinformatics and Biostatistics Platform, Department of Biomedical Sciences, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Lukas Schwarz
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria.
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28
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Kreutzmann H, Dürlinger S, Knecht C, Koch M, Cabana M, Torrent G, Balasch M, Taylor LP, Balka G, Gerner W, Ladinig A. Efficacy of a Modified Live Virus Vaccine against Porcine Reproductive and Respiratory Syndrome Virus 1 (PRRSV-1) Administered to 1-Day-Old Piglets in Front of Heterologous PRRSV-1 Challenge. Pathogens 2021; 10:1342. [PMID: 34684293 PMCID: PMC8537468 DOI: 10.3390/pathogens10101342] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 09/17/2021] [Revised: 10/10/2021] [Accepted: 10/15/2021] [Indexed: 11/17/2022] Open
Abstract
PRRSV is one of the most important viruses in the global swine industry and is often controlled by the use of modified live virus (MLV) vaccines. This study assessed the impact of a PRRSV-1 MLV vaccine applied to 1-day-old piglets challenged on day 28 of life with a PRRSV-1 field isolate (AUT15-33). Twenty-one piglets were vaccinated within 24 h of birth (T02), whereas 20 piglets were left unvaccinated (T01). Necropsy was performed two weeks post-challenge. Comparing the two groups, T02 piglets showed significantly higher (p = 0.017) average daily weight gain. In addition, significantly lower (p < 0.0001) PRRSV RNA loads were measured in serum of T02 piglets at all investigated time points. All T01 piglets were viremic and shed virus in nasal swabs, whereas only 71.4% and 38.1% of the T02 group were viremic or shed virus, respectively. Piglets from T02 had significantly higher numbers (p < 0.0001) of IFN-γ producing lymphocytes compared to T01. At necropsy, differences in gross and histologic lung lesions were statistically significant (p = 0.012 and p < 0.0001, respectively) between the two groups. Hence, this MLV vaccine administered to 1-day-old piglets was able to protect piglets against PRRSV infection at weaning.
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Affiliation(s)
- Heinrich Kreutzmann
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (H.K.); (S.D.); (C.K.); (M.K.)
| | - Sophie Dürlinger
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (H.K.); (S.D.); (C.K.); (M.K.)
| | - Christian Knecht
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (H.K.); (S.D.); (C.K.); (M.K.)
| | - Michaela Koch
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (H.K.); (S.D.); (C.K.); (M.K.)
| | - Marta Cabana
- Zoetis Manufacturing and Research Spain S.L., Ctra. Camprodon s/n Finca La Riba, 17813 Girona, Spain; (M.C.); (G.T.); (M.B.)
| | - Gerard Torrent
- Zoetis Manufacturing and Research Spain S.L., Ctra. Camprodon s/n Finca La Riba, 17813 Girona, Spain; (M.C.); (G.T.); (M.B.)
| | - Mònica Balasch
- Zoetis Manufacturing and Research Spain S.L., Ctra. Camprodon s/n Finca La Riba, 17813 Girona, Spain; (M.C.); (G.T.); (M.B.)
| | - Lucas P. Taylor
- Global Development & Operations, Zoetis, Kalamazoo, MI 49007, USA;
| | - Gyula Balka
- Department of Pathology, University of Veterinary Medicine, 1078 Budapest, Hungary;
| | - Wilhelm Gerner
- Institute of Immunology, Department of Pathobiology, University of Veterinary Medicine Vienna, 1210 Vienna, Austria;
- The Pirbright Institute, Biotechnology and Biological Sciences Research Council (BBSRC), Woking GU24 0NF, UK
| | - Andrea Ladinig
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (H.K.); (S.D.); (C.K.); (M.K.)
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Sommer C, Schneider LM, Nguyen J, Prume JA, Lautze K, Koch M. Identifying microplastic litter with Laser Induced Breakdown Spectroscopy: A first approach. Mar Pollut Bull 2021; 171:112789. [PMID: 34364135 DOI: 10.1016/j.marpolbul.2021.112789] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/22/2021] [Accepted: 07/25/2021] [Indexed: 06/13/2023]
Abstract
The broad diversity of microplastic litter requires a selection of analytical techniques to reliably determine the particle's chemical composition. This study demonstrates that Laser Induced Breakdown Spectroscopy (LIBS) can identify microplastic particles based on their spectral fingerprints. By studying the spectral features of polymer reference spectra, microplastic litter can be distinguished from non-plastic materials. The results show that LIBS can be used as a fast in-situ technique for pre-characterization of the microparticle's material and is a possible tool for environmental studies on microplastics.
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Affiliation(s)
- C Sommer
- Faculty of Physics and Material Sciences Centre, Philipps University of Marburg, Marburg, Germany.
| | - L M Schneider
- Faculty of Physics and Material Sciences Centre, Philipps University of Marburg, Marburg, Germany
| | - J Nguyen
- Faculty of Physics and Material Sciences Centre, Philipps University of Marburg, Marburg, Germany
| | - J A Prume
- Faculty of Physics and Material Sciences Centre, Philipps University of Marburg, Marburg, Germany
| | - K Lautze
- Faculty of Physics and Material Sciences Centre, Philipps University of Marburg, Marburg, Germany
| | - M Koch
- Faculty of Physics and Material Sciences Centre, Philipps University of Marburg, Marburg, Germany
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30
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Koch M, Regotta S. [20/f-Paroxysmal dyspnea and chest tightness : Preparation for the medical specialist examination: part 91]. Internist (Berl) 2021; 62:585-588. [PMID: 34550399 DOI: 10.1007/s00108-021-01142-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/12/2021] [Indexed: 11/24/2022]
Affiliation(s)
- M Koch
- Klinik und Poliklinik für Innere Medizin II, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland.
| | - S Regotta
- Klinik und Poliklinik für Innere Medizin II, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
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31
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Koch M, Katsarava Z, Baufeld C, Schuh K, Gendolla A, Straube A, von Pannwitz W, Hofmann WE, Ortler S. Migraine patients in Germany - need for medical recognition and new preventive treatments: results from the PANORAMA survey. J Headache Pain 2021; 22:106. [PMID: 34503443 PMCID: PMC8428142 DOI: 10.1186/s10194-021-01316-5] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 08/16/2021] [Indexed: 11/11/2022] Open
Abstract
Background Migraine is a primary headache disorder characterized by recurrent attacks that may have a significant impact on patients’ daily life. Treatment options must often be re-evaluated in light of efficacy, tolerability and compliance issues. Few data on commonly applied treatment algorithms and treatment failures have existed in Germany in 2017/2018. The PANORAMA survey was designed to explore and characterize the migraine healthcare landscape and to demonstrate the medical treatment need at that time in Germany. Methods Three different questionnaires were used to assess the profile of the 119 participating centers, characterize migraine patients at centers and evaluate qualitative aspects of the current migraine healthcare situation from a physician´s professional perspective. Data were analyzed as observed and summarized by descriptive statistics. Results The results demonstrate that once referred to a migraine specialist, the majority of patients continue to be treated at a specialist. At specialized centers, 41.6 % of migraine patients receive prophylactic treatment. 45.4 % of prophylactic treatments are initiated with a beta-blocker and 28.1 % with an anti-epileptic. Pivotal factors to initiate prophylactic treatment are migraine attack frequency and intensity (58.0 %). Treatment decisions are largely based on prior / concomitant diseases and physical constitution of the patient (52.1 %). Following an inadequate treatment, most patients either switch substance class or discontinue prophylactic treatment. Conclusions PANORAMA gives a comprehensive overview of the migraine healthcare landscape in Germany in 2017/2018, elucidates a lack of common treatment algorithms and reveals a high demand for defined therapy strategies and new prophylactic treatment going forwards. Supplementary Information The online version contains supplementary material available at 10.1186/s10194-021-01316-5.
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Affiliation(s)
- M Koch
- Novartis Pharma GmbH, Roonstr. 25, 90429, Nuremberg, Germany
| | - Z Katsarava
- Christian Hospital Unna, Unna, Germany.,University of Duisburg-Essen, Essen, Germany.,EVEX Medical Corporation, Tbilisi, Republic of Georgia.,IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
| | - C Baufeld
- Novartis Pharma GmbH, Roonstr. 25, 90429, Nuremberg, Germany
| | - K Schuh
- Novartis Pharma GmbH, Roonstr. 25, 90429, Nuremberg, Germany
| | | | - A Straube
- Department of Neurology, Ludwig-Maximilians University, Munich, Germany
| | | | | | - S Ortler
- Novartis Pharma GmbH, Roonstr. 25, 90429, Nuremberg, Germany.
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Jonker DM, Koch M, Larsson P, Ravi A, Rasmussen BB, Speer R, Mannaerts BMJL. P–587 Highly purified human menopausal gonadotrophin (HP-hMG, Menopur) as a ready-to-use solution for injection in pre-filled pen is bioequivalent to HP-hMG powder for reconstitution. Hum Reprod 2021. [DOI: 10.1093/humrep/deab130.586] [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: 11/13/2022] Open
Abstract
Abstract
Study question
Are serum FSH levels after single subcutaneous dosing of HP-hMG in a liquid formulation and a powder formulation bioequivalent?
Summary answer
The 90% CIs for the geometric mean ratios of serum FSH AUCt and Cmax were both within 0.8000–1.2500, thus the two formulations are bioequivalent.
What is known already
For several decades, HP-hMG (Menopur) has been used for the treatment of infertility; its efficacy and safety compared to other gonadotropins have been consistently demonstrated in several prospective, randomised controlled trials and meta-analyses (Deeks et al 2018; Bordewijk et al 2019). Menopur powder for reconstitution is available in multidose and single dose formulations. Up to 3 single dose vials (each containing 75 IU) may be dissolved into 1 mL solvent for administration. Recently, and for the first time, Menopur has been successfully formulated in a stable, ready-to-use solution for injection, which may be administered by a pre-filled pen.
Study design, size, duration
This was a randomised, two-way crossover, single dose, bioequivalence trial comparing Menopur liquid injected by pre-filled pen, with Menopur powder injected by conventional syringe and needle. The primary endpoints were AUCt and Cmax of baseline-adjusted FSH. Pituitary-suppressed, healthy women were randomised to receive one treatment sequence including a single subcutaneous injection of 450 IU Menopur liquid (600 IU/0.96 mL) and of 450 IU Menopur powder by two subcutaneous injections of 225 IU in 1 mL.
Participants/materials, setting, methods
Blood samples were collected pre- and post-dose, until 9 days after each injection. The PK parameters of FSH and hCG were assessed by noncompartmental methods with adjustment for endogenous pre-dose levels. Highly sensitive and specific electrochemiluminescence immunoassays were used for quantification and the LLOQ of the FSH and hCG assays were 1.47 mIU/mL and 0.5 mIU/mL, respectively, and the total validated CV was within 5% for both assays.
Main results and the role of chance
In total, 76 women were randomised and 56 completed the trial. The main reason for discontinuation was insufficient pituitary suppression prior to the second administration of HP-hMG. The mean FSH and hCG serum concentration-time profiles were comparable between the two HP-hMG formulations. The geometric mean ratios and 90% confidence intervals of FSH for HP-hMG liquid versus HP-hMG powder were 1.12 [1.0562; 1.1889] for AUCt and 1.17 [1.0946; 1.2490] for Cmax, showing that the two formulations were bioequivalent. Maximal serum FSH concentrations were reached at 18.19 h for HP-HMG liquid and 15.55 h for HP-hMG powder. In addition to FSH, the PK parameters for hCG were compared between the two HP-hMG formulations. The geometric mean ratios and 90% confidence intervals for HP-hMG liquid versus HP-hMG powder were 0.93 [0.86; 1.01] for AUCt and 0.94 [0.86; 1.02] for Cmax. There was no difference between the two groups in the incidence or severity of adverse events, and both preparations were well tolerated. Mild injection site reactions were less common after administration of HP-hMG liquid by a single injection compared to HP-hMG powder by two injections and were mostly related to pain and erythema after drug administration.
Limitations, reasons for caution
This bioequivalence study is based on the comparison of single dose administrations in healthy female volunteers of reproductive age.
Wider implications of the findings: The new HP-hMG solution for injection in a pre-filled pen will deliver the efficacy and safety of Menopur in a convenient delivery device.
Trial registration number
NA
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Affiliation(s)
- D M Jonker
- Ferring Pharmaceuticals, Translational Medicine, Copenhagen, Denmark
| | - M Koch
- Nuvisan GmbH, Phase 1 unit, Neu-Ulm, Germany
| | - P Larsson
- Ferring Pharmaceuticals, Global Biometrics, Copenhagen, Denmark
| | - A Ravi
- Ferring Pharmaceuticals, Translational Medicine, Copenhagen, Denmark
| | - B B Rasmussen
- Ferring Pharmaceuticals, Bioanalysis, Copenhagen, Denmark
| | - R Speer
- Clinical Research Services, Phase 1 unit, Berlin, Denmark
| | - B M J L Mannaerts
- Ferring Pharmaceuticals, Reproductive Medicine & Maternal Health, Copenhagen, Denmark
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Sievert M, Goncalves M, Eckstein M, Iro H, Koch M. Feasibility of sentinel lymph node detection by near-infrared endoscopy in squamous cell carcinoma of the oral cavity: a pilot study. Eur Rev Med Pharmacol Sci 2021; 24:11620-11627. [PMID: 33275229 DOI: 10.26355/eurrev_202011_23805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Near-Infrared (NIR) fluorescence imaging is a novel technique for intraoperative sentinel lymph node (SLN) identification. It has demonstrated promising results in several surgical specialties. The study aims to evaluate the feasibility of identifying the SLN by indocyanine green (ICG) enhanced NIR endoscopy in squamous cell carcinoma of the oral cavity (OCSCC). PATIENTS AND METHODS Seven patients with (cT1-3 N0) OCSCC were included. We injected 1-1.25 ml of ICG (5 mg/ml) at four to five points around the primary. After the elevation of a platysma flap and posterior retraction of the sternocleidomastoid muscle, fluorescence images were taken via IMAGE1 STM NIR/ICG system to define the SLN(s). We sampled fluorescence marked SLN(s) stratified to lymph node levels, followed by level-specified elective neck dissection. RESULTS The detection of at least one unilateral or bilateral SLN (range 1-5) was possible in every case. The fluorescence signal occurred, on average, 5.0 ± 2.2 minutes after injection. A total of 22 SLN could be identified. Among 331 histologically examined lymph nodes we could detect one micrometastasis, which was correctly defined as SLN (1/22). There were no false-negative findings. No adverse reactions to ICG occurred. CONCLUSIONS Our first results are indicating the concept of SLN concerning OCSCC after the application of real-time NIR fluorescence endoscopy. However, this has to be verified by more extended studies.
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Affiliation(s)
- M Sievert
- Department of Otorhinolaryngology, Head and Neck Surgery, Friedrich Alexander University of Erlangen-Nuremberg, Erlangen, Germany.
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Bahmer T, Wälscher J, Fisser C, Groth EE, Schreiber T, Koch M, Raspe M. [Young Respiratory Physicians in Germany - Current Situation and Future Perspectives]. Pneumologie 2021; 75:761-775. [PMID: 33853133 DOI: 10.1055/a-1397-6275] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND Demographic changes in the society and among doctors, as well as changing attitudes towards and norms of how living should be structured are creating challenges regarding the organization of work environment in the hospital. In addition, organization of medical training is increasingly being influenced by economic considerations as well as a high level of medical specialization. We asked young respiratory physicians how they assessed their current situation with respect to quality of medical training and organization of their work environment. METHODS From September to November 2019, we performed an online survey adressing young respiratory physicians in Germany. Participants were recruited via three emails (baseline and reminders after 2 and 6 weeks) sent by the German Respiratory Society (DGP) and the German Union of Pulmonologists (BdP). The questionnaire consisted of a maximum of 62 questions. Apart from own questions that had been aligned with other questionnaires from similar surveys in other medical specialties, we also assessed the effort-reward ratio (ER ratio) based on the short version of the effort-reward imbalance questionnaire (16 questions). RESULTS We recuited n = 224 participants (33.8 ± 4.5 years, 5.4 ± 2.9 years of medical training, 54.4 % female , 86.8 % with German nationality). A little under half of the interviewees (n = 103, 46 %) reported to be very or generally satisfied with their working conditions, while n = 60 (27 %) were unsure. The main reasons for not being satisfied were long working hours and high work-load, as well as a lack of streamlining the work environment in the hospital to the specific needs of doctors. Despite the fact that many participants were satisfied, a large majority (n = 166, 88.2 %) depicted an unfavorable effort-reward ratio imbalance (adjusted mean 1.89 ± 2.18). CONCLUSION Compared to many other European countries and internationally, the German healthcare system offers high-quality patient care and a well-equipped work environment. Increasing demands in the health care sector, however, are leading to a gratification crisis that not only harms the health and work performance of doctors but is also leading to reduced attractiveness of the job that might possibly lead to the search for new fields of activity or migration. Respiratory medicine is a discipline of growing interest and motivating young doctors to secure the promotion of this discipline is increasingly important. Factors harming the growth of this discipline should be immediately addressed. The results of this survey might help leaders in the field to restructure the work environment and medical education according to the actual needs.
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Affiliation(s)
- T Bahmer
- Universitätsklinikum Schleswig-Holstein, Campus Kiel, Medizinische Klinik I, Abteilung für Pneumologie, Kiel.,Airway Research Center North (ARCN), Deutsches Zentrum für Lungenforschung (DZL)
| | - J Wälscher
- Universitätsmedizin Essen, Ruhrlandklinik, Klinik für Pneumologie, Zentrum für interstitielle und seltene Erkrankungen, Essen
| | - C Fisser
- Universitätsklinikum Regensburg, Klinik und Poliklinik für Innere Medizin II, Regensburg
| | - E E Groth
- Airway Research Center North (ARCN), Deutsches Zentrum für Lungenforschung (DZL).,LungenClinic Grosshansdorf, Pneumologie, Großhansdorf
| | - T Schreiber
- Krankenhaus Bethanien gGMBH, Klinik für Pneumologie und Allergologie, Solingen
| | - M Koch
- Universitätsklinikum Regensburg, Klinik und Poliklinik für Innere Medizin II, Regensburg
| | - M Raspe
- Charité - Universitätsmedizin Berlin, Mitglied der Freien Universität Berlin, Humboldt-Universität zu Berlin und des Berlin Institute of Health, Medizinische Klinik m. S. Infektiologie und Pneumologie, Berlin
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Koch M, Schapher M, Goncalves M, Iro H, Mantsopoulos K. Simultaneous application of ultrasound and sialendoscopy: experience in the management of stenosis and other non-sialolithiasis-related salivary gland disorders. Eur Rev Med Pharmacol Sci 2021; 24:2196-2204. [PMID: 32196571 DOI: 10.26355/eurrev_202003_20485] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To assess the value of the simultaneous application of ultrasound and sialendoscopy (US+SE) in several salivary gland diseases not caused either by sialolithiasis or by tumours. PATIENTS AND METHODS US+SE are routinely used in patients with inflammatory, obstructive, and other non-tumorous major salivary gland diseases. In patients in whom US and SE as single investigation tools were not conclusive or not useful in the management of several non-sialolithiasis-related conditions (stenoses, ductal anomalies, ductal trauma, space-occupying paraductal lesions), both methods were used simultaneously for diagnosis and treatment. RESULTS US+SE were used simultaneously in 44 patients for 56 indications. Stenosis was managed in 36 cases (81.8%) and in thirty-eight of the indications (67.9%) with simultaneous US+SE. The successful opening was achieved in 23 (63.9%), conservative and/or ablative treatment was indicated in 13 (36.1%), and further imaging was indicated in two (5.5%) of these cases. Post-traumatic or postinfectious complications were managed in 12 (27.3%) of all cases, and isolated ductal anomalies and paraductal space-occupying lesions were assessed in three cases (8.3%) each. In all instances, simultaneous US+SE clearly improved the management in diagnosis and/or therapy. CONCLUSIONS Simultaneous application of US+SE provided additional information that proved to be valuable for diagnosis, planning, and treatment in several non-sialolithiasis-related conditions such as stenoses, ductal anomalies, ductal trauma, and space-occupying paraductal lesions.
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Affiliation(s)
- M Koch
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Erlangen, Nuremberg, Germany.
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Mantsopoulos K, Iro AK, Sievert M, Müller SK, Agaimy A, Schapher M, Koch M, Iro H. Is extracapsular dissection for pleomorphic adenoma rather a euphemism for enucleation that jeopardises the intactness of the capsule? Br J Oral Maxillofac Surg 2021; 59:1204-1208. [PMID: 34274171 DOI: 10.1016/j.bjoms.2021.03.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 01/25/2021] [Accepted: 03/04/2021] [Indexed: 02/07/2023]
Abstract
The aim of this study was to compare several surgical modalities with respect to the incidence of positive margins and focal capsular exposure of pleomorphic adenoma of the parotid gland. The clinical records and histopathological findings of all patients who underwent parotidectomy for pleomorphic adenoma between 2006 and 2020 were retrospectively evaluated (n = 845). The lesion was removed by extracapsular dissection in 577 cases (68%) and facial nerve dissection in 268 (32%). Our analysis did not reveal a statistically significant difference between the examined modalities regarding positive margins (p=0.648) or capsular exposure (p=0.112). Recurrences were detected in 7/845 cases (0.82%) with a mean (range) follow-up time of 82.3 (6-183) months. The choice of surgical method does not seem to have a significant effect on the incidence of positive margins, or on the capsular exposure of a pleomorphic adenoma.
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Affiliation(s)
- K Mantsopoulos
- Department of Otolaryngology, Head and Neck Surgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany.
| | - A-K Iro
- Department of Otolaryngology, Head and Neck Surgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - M Sievert
- Department of Otolaryngology, Head and Neck Surgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - S K Müller
- Department of Otolaryngology, Head and Neck Surgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - A Agaimy
- Institute of Pathology, Friedrich-Alexander University Erlangen-Nuremberg (FAU), Erlangen, Germany
| | - M Schapher
- Department of Otolaryngology, Head and Neck Surgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - M Koch
- Department of Otolaryngology, Head and Neck Surgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - H Iro
- Department of Otolaryngology, Head and Neck Surgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany
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Geringer E, Gerhard M, Koch M, Krug CK, Gottfried JM, Dehnen S. Pyrene-Terminated Tin Sulfide Clusters: Optical Properties and Deposition on a Metal Surface. Chemistry 2021; 27:2734-2741. [PMID: 32936477 PMCID: PMC7898349 DOI: 10.1002/chem.202003889] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 09/16/2020] [Indexed: 12/27/2022]
Abstract
Herein, we present the synthesis of two pyrene-functionalized clusters, [(Rpyr Sn)4 S6 ]⋅2 CH2 Cl2 (4) and [(Rpyr Sn)4 Sn2 S10 ]⋅n CH2 Cl2 (n=4, 5 a; n=2, 5 b; Rpyr =CMe2 CH2 C(Me)N-NC(H)C16 H9 ), both of which form in reactions of the organotin sulfide cluster [(RN Sn)4 S6 ] (C; RN =CMe2 CH2 C(Me)N-NH2 ) with the well-known fluorescent dye 1-pyrenecarboxaldehyde (B). In contrast, reactions using an organotin sulfide cluster with another core structure, [(RN Sn)3 S4 Cl] (A), leads to formation of small molecular fragments, [(Rpyr Cl2 Sn)2 S] (1), (pyren-1-ylmethylene)hydrazine (2), and 1,2-bis(pyren-1-ylmethylene)hydrazine (3). Besides synthesis and structures of the new compounds, we report the influence of the inorganic core on the optical properties of the dye, which was analyzed exemplarily for compound 5 a via absorption and fluorescence spectroscopy. This cluster was also used for exploring the potential of such non-volatile clusters for deposition on a metal surface under vacuum conditions.
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Affiliation(s)
- Eugenie Geringer
- Fachbereich Chemie und Wissenschaftliches Zentrum für, Materialwissenschaften (WZMW)Philipps-Universität MarburgHans-Meerwein-Str. 435043MarburgGermany
| | - Marina Gerhard
- Fachbereich Physik and Wissenschaftliches Zentrum für, Materialwissenschaften (WZMW)Philipps-Universität MarburgRenthof 535032MarburgGermany
| | - M. Koch
- Fachbereich Physik and Wissenschaftliches Zentrum für, Materialwissenschaften (WZMW)Philipps-Universität MarburgRenthof 535032MarburgGermany
| | - Claudio K. Krug
- Fachbereich Chemie und Wissenschaftliches Zentrum für, Materialwissenschaften (WZMW)Philipps-Universität MarburgHans-Meerwein-Str. 435043MarburgGermany
| | - J. Michael Gottfried
- Fachbereich Chemie und Wissenschaftliches Zentrum für, Materialwissenschaften (WZMW)Philipps-Universität MarburgHans-Meerwein-Str. 435043MarburgGermany
| | - Stefanie Dehnen
- Fachbereich Chemie und Wissenschaftliches Zentrum für, Materialwissenschaften (WZMW)Philipps-Universität MarburgHans-Meerwein-Str. 435043MarburgGermany
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Meziu E, Koch M, Fleddermann J, Schwarzkopf K, Schneider M, Kraegeloh A. Visualization of the structure of native human pulmonary mucus. Int J Pharm 2021; 597:120238. [PMID: 33540010 DOI: 10.1016/j.ijpharm.2021.120238] [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: 08/06/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 11/25/2022]
Abstract
Human respiratory mucus lining the airway epithelium forms a challenging barrier to inhalation therapeutics. Therefore, structural elucidation of hydrated mucus is essential for an efficient drug delivery development. The structure of mucus has been primarily investigated by conventional electron microscopy techniques, which operate under vacuum conditions and require sample preparation steps that might alter the structure of mucus. In this study we investigated the impact of dehydration on mucus and analyzed the structure of mucus in its hydrated state. Cryo-scanning electron microscopy (Cryo-SEM) analysis of mucus showed, that during the process of sublimation, non-porous structure of mucus is transformed into a porous network. Similarly, images acquired by environmental scanning electron microscopy (ESEM), revealed a non-porous structure of hydrated mucus, while further observation at decreasing pressure demonstrated the strong influence of dehydration on mucus structure. We could successfully visualize the structural organization of the major gel forming mucin MUC5B in its hydrated state by employing stimulated emission depletion (STED) microscopy, which allowed resolving the nano-scale patterns of mucin macromolecules within the essentially pore-free mucus structure. The general structural organization of mucus components was addressed by confocal laser scanning microscopy (CLSM), which revealed the heterogeneous and composite structure of mucus. These results provide a novel view on the native structure of mucus and will affect drug delivery development.
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Affiliation(s)
- E Meziu
- INM - Leibniz Institute for New Materials, 66123 Saarbrücken, Germany; Department of Pharmacy, Biopharmaceutics & Pharmaceutical Technology, Saarland University, 66123 Saarbrücken, Germany
| | - M Koch
- INM - Leibniz Institute for New Materials, 66123 Saarbrücken, Germany
| | - J Fleddermann
- INM - Leibniz Institute for New Materials, 66123 Saarbrücken, Germany
| | - K Schwarzkopf
- Department of Anesthesia and Intensive Care, Clinics Saarbrücken, Winterberg 1, 66119 Saarbrücken, Germany
| | - M Schneider
- Department of Pharmacy, Biopharmaceutics & Pharmaceutical Technology, Saarland University, 66123 Saarbrücken, Germany.
| | - A Kraegeloh
- INM - Leibniz Institute for New Materials, 66123 Saarbrücken, Germany.
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Graage R, Beck S, Koch M, Dolezal M, Schwarz L, Hennig-Pauka I. [Comparison between oral fluid samples and pooled serum samples for the detection of antibodies against Porcine Reproductive and Respiratory Syndrome Virus in weaning pig herds]. SCHWEIZ ARCH TIERH 2021; 162:531-538. [PMID: 32855120 DOI: 10.17236/sat00270] [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] [Indexed: 11/06/2022]
Abstract
INTRODUCTION Monitoring of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) in pig farms is performed usually by testing for antibodies against PRRSV in serum samples. A new method is the detection of PRRSV antibodies in porcine saliva. In this study serum samples and saliva were collected in nine farms suspicious for PRRSV and tested for the presence of PRRSV antibodies. In total 220 serum and 41 saliva samples were taken from pigs at the age of 8 weeks (± 1 week). One saliva and one pooled serum sample (1:5) were tested from each pen. In total 11 (Cut-off 0.4/0.3) or 14 (Cut-off 0.2) serum samples and 23 saliva out of 41 pens were positive for PRRSV antibodies. Cohen`s Kappa testing showed a moderate agreement (κ = 0.446). Saliva samples compared to pooled serum samples were very sensitive, the specificity was 60 and 67, respectively.
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Affiliation(s)
- R Graage
- Departement für Nutztiere, Abteilung Schweinemedizin, Vetsuisse-Fakultät, Universität Zürich
| | - S Beck
- Universitätsklinik für Schweine, Department für Nutztiere und öffentliches Veterinärwesen in der Veterinärmedizin, Veterinärmedizinische Universität Wien
| | - M Koch
- Universitätsklinik für Schweine, Department für Nutztiere und öffentliches Veterinärwesen in der Veterinärmedizin, Veterinärmedizinische Universität Wien
| | - M Dolezal
- Plattform Bioinformatik und Biostatistik, Veterinärmedizinische Universität Wien
| | - L Schwarz
- Universitätsklinik für Schweine, Department für Nutztiere und öffentliches Veterinärwesen in der Veterinärmedizin, Veterinärmedizinische Universität Wien
| | - I Hennig-Pauka
- Universitätsklinik für Schweine, Department für Nutztiere und öffentliches Veterinärwesen in der Veterinärmedizin, Veterinärmedizinische Universität Wien
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Lubrich H, Pontones C, Koch M, Fahlbusch C, Oppelt PG, Beckmann MW. Management eines Uterus bicornis unicollis mit rechtsseitiger Abflussbehinderung bei einem 13-jährigen Mädchen. Geburtshilfe Frauenheilkd 2020. [DOI: 10.1055/s-0040-1718296] [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: 10/23/2022] Open
Affiliation(s)
- H Lubrich
- Frauenklinik Erlangen, Kinder- und Jugendgynäkologie
| | - C Pontones
- Frauenklinik Erlangen, Kinder- und Jugendgynäkologie
| | - M Koch
- Frauenklinik Erlangen, Operative Gynäkologie
| | - C Fahlbusch
- Frauenklinik Erlangen, Kinder- und Jugendgynäkologie
| | - PG Oppelt
- Frauenklinik Erlangen, Kinder- und Jugendgynäkologie
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Koch M, Hung SH, Su CH, Lee KS, Iro H, Mantsopoulos K. Intraductal lithotripsy in sialolithiasis with two different Ho:YAG lasers: presetting parameters, effectiveness, success rates. Eur Rev Med Pharmacol Sci 2020; 23:5548-5557. [PMID: 31298306 DOI: 10.26355/eurrev_201907_18288] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To compare two different Ho:YAG laser systems in relation to the preset parameters and their effectiveness for intraductal fragmentation of the salivary stones. PATIENTS AND METHODS We made a retrospective study in two tertiary referral centers (Department of ENT, Head and Neck Surgery, University of Erlangen-Nuremberg, Germany and the MacKay Memorial Hospital, Taipei, Taiwan). Patients with a diagnosis of sialolithiasis were treated in Erlangen and Taipei. The Erlangen patients were treated using the Calculase II™ Ho:YAG laser (Karl Storz, Tuttlingen, Germany) at 4 Hz, 1.2 J (4.8 W) and the MacKay patients were treated using the VersaPulse® PowerSuite™ Ho:YAG laser (Lumenis Ltd., Yokneam, Israel) at 6 Hz, 0.5 J (3 W). RESULTS A total of 12 patients with 12 stones were treated in Erlangen and 54 with 75 stones in Taipei. The submandibular stones were present in 50% and 86.7% of cases, respectively. The complete fragmentation was achieved in all of the treated stones in both groups; 100% and 92.6% of the patients were stone-free, 100% and 94.4% of the patients became symptom-free, respectively. 33% of the Erlangen patients had multimodal treatments. The glands were preserved in all cases in both centers. CONCLUSIONS The Ho:YAG laser proved to be effective in the treatment of sialolithiasis. Stone size, location, and involved gland were important additional parameters. Our experience and the literature results show that the laser presetting with a frequency of 3-6 Hz, an energy level of 0.5-1.2 J, and effective power of between 3 and 4.8 W is sufficient to achieve maximum success without any increased risk for complications.
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Affiliation(s)
- M Koch
- Department of Otorhinolaryngology and Head and Neck Surgery, University of Erlangen-Nuremberg, Erlangen, Germany.
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Mantsopoulos K, Koch M, Fauck V, Schinz K, Schapher M, Constantinidis J, Rösler W, Iro H. Primary parotid gland lymphoma: pitfalls in the use of ultrasound imaging by a great pretender. Int J Oral Maxillofac Surg 2020; 50:573-578. [PMID: 32938567 DOI: 10.1016/j.ijom.2020.08.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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: 03/19/2020] [Revised: 06/23/2020] [Accepted: 08/19/2020] [Indexed: 12/17/2022]
Abstract
The aim of this study was to highlight several misleading imaging and clinical aspects of parotid gland lymphoma, taking our personal experience and relevant literature reports into consideration. The records of all patients diagnosed with lymphoma in the parotid gland between 2005 and 2017 were examined retrospectively. Sixty-seven patients were included in this study. The mean age was 61.4 years. The most frequent histological entities were marginal zone B-cell lymphoma (31.3%) and follicular lymphoma (28.4%). The tumour was stage I in 35 cases (52.2%), stage II in 13 cases (19.4%), stage III in 11 cases (16.4%), and stage IV in eight cases (11.9%). B symptoms were seen in only three patients (4.5%). The diagnosis was made after parotidectomy in 51 cases (76.1%), by core needle biopsy in 14 cases (20.9%), and by means of open biopsy in the remaining two cases (3.0%). Parotid gland lymphoma represents a diagnostically challenging, multifaceted entity that can easily mimic both benign and malignant conditions. This entity should be included in the differential diagnosis of almost all types of parotid lesion, as it seems to play the role of a great pretender.
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Affiliation(s)
- K Mantsopoulos
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Erlangen-Nuremberg, Erlangen, Germany.
| | - M Koch
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Erlangen-Nuremberg, Erlangen, Germany
| | - V Fauck
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Erlangen-Nuremberg, Erlangen, Germany
| | - K Schinz
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Erlangen-Nuremberg, Erlangen, Germany
| | - M Schapher
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Erlangen-Nuremberg, Erlangen, Germany
| | - J Constantinidis
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Thessaloniki, Greece
| | - W Rösler
- Department of Haematology-Oncology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - H Iro
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Erlangen-Nuremberg, Erlangen, Germany
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Stas MR, Koch M, Stadler M, Sawyer S, Sassu EL, Mair KH, Saalmüller A, Gerner W, Ladinig A. NK and T Cell Differentiation at the Maternal-Fetal Interface in Sows During Late Gestation. Front Immunol 2020; 11:582065. [PMID: 33013937 PMCID: PMC7516083 DOI: 10.3389/fimmu.2020.582065] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 08/21/2020] [Indexed: 12/12/2022] Open
Abstract
The phenotype and function of immune cells that reside at the maternal-fetal interface in humans and mice have been, and still are, extensively studied with the aim to fully comprehend the complex immunology of pregnancy. In pigs, information regarding immune cell phenotypes is limited and mainly focused on early gestation whereas late gestation has not yet been investigated. We designed a unique methodology tailored to the porcine epitheliochorial placenta, which allowed us to address immune phenotypes separately in the maternal endometrium (ME) and fetal placenta (FP) by flow cytometry. In-depth phenotyping of NK cells, non-conventional and conventional T cells within maternal blood (mBld), ME, FP, and fetal spleen (fSpln) revealed major differences between these anatomic sites. In both maternal compartments, all NK cells were perforin+ and had NKp46-defined phenotypes indicative of late-stage differentiation. Likewise, T cells with a highly differentiated phenotype including CD2+CD8α+CD27dim/–perforin+ γδ T cells, CD27–perforin+ cytolytic T cells (CTLs), and T-bet+ CD4+CD8α+CD27– effector memory T (Tem) cells prevailed within these compartments. The presence of highly differentiated T cells was also reflected in the number of cells that had the capacity to produce IFN-γ. In the FP, we found NK cells and T cell populations with a naive phenotype including CD2+CD8α–CD27+perforin– γδ T cells, T-bet–CD4+CD8α–CD27+ T cells, and CD27+perforin– CTLs. However, also non-naive T cell phenotypes including CD2+CD8α+CD27+perforin– γδ T cells, T-bet+CD4+CD8α+CD27– Tem cells, and a substantial proportion of CD27–perforin+ CTLs resided within this anatomic site. Currently, the origin or the cues that steer the differentiation of these putative effector cells are unclear. In the fSpln, NKp46high NK cells and T cells with a naive phenotype prevailed. This study demonstrated that antigen-experienced immune cell phenotypes reside at the maternal-fetal interface, including the FP. Our methodology and our findings open avenues to study NK and T cell function over the course of gestation. In addition, this study lays a foundation to explore the interplay between immune cells and pathogens affecting swine reproduction.
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Affiliation(s)
- Melissa R Stas
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Michaela Koch
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Maria Stadler
- Institute of Immunology, Department of Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Spencer Sawyer
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Elena L Sassu
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Kerstin H Mair
- Institute of Immunology, Department of Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Armin Saalmüller
- Institute of Immunology, Department of Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Wilhelm Gerner
- Institute of Immunology, Department of Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria.,Christian Doppler Laboratory for Optimized Prediction of Vaccination Success in Pigs, Institute of Immunology, Department of Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Andrea Ladinig
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
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Metz T, Koch M, Lenz P. Quantification of microplastics: Which parameters are essential for a reliable inter-study comparison? Mar Pollut Bull 2020; 157:111330. [PMID: 32658694 DOI: 10.1016/j.marpolbul.2020.111330] [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] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/29/2020] [Accepted: 05/30/2020] [Indexed: 06/11/2023]
Abstract
Inconsistencies in microplastic quantification are a problem in current microplastic research, leading to difficulties in inter-study comparability. This study proposes a guideline for consistent quantification of microplastic distributions. It contains specific recommendations on how to quantify common microplastic particle parameters, such as size or shape. These recommendations are based on how reliably a parameter can be measured and its importance for inter-study comparability. Furthermore, our study proposes a multidimensional vector approach, where one vector contains the information for the microplastic distribution in one sample. In this way geometric and statistical means can be used to quantitatively compare different studies. In particular, in combination with our proposed quantification procedure, a meaningful comparison of microplastic distributions across different studies becomes possible. Ultimately, this allows comparable long-term and global scale assessments, as well as the development of modeling approaches.
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Affiliation(s)
- T Metz
- Department of Physics, Philipps-University Marburg, Marburg, Germany
| | - M Koch
- Department of Physics, Philipps-University Marburg, Marburg, Germany
| | - P Lenz
- Department of Physics, Philipps-University Marburg, Marburg, Germany.
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Klotz L, Chin J, Hatiboglu G, Koch M, Penson D, Pavlovich C, Raman S, Oto A, Fütterer J, Relle J, Lotan Y, Heidenreich A, Serrallach M, Haider M, Bonekamp D, Tirkes T, Arora S, Pantuck A, Zagaja G, Sedelaar M, Macura K, Costa D, Persigehl T, Eggener S. Pivotal trial of MRI-guided transurethral ultrasound ablation in men with localized prostate cancer: Two-year follow-up. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)33481-9] [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: 10/23/2022] Open
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Gravina A, Deuse T, Hu X, Agbor-Enoh S, Koch M, Alawi M, Marishta A, Peters B, Wang D, Valantine H, Weissman I, Schrepfer S. De Novo Mutations in Mitochondrial DNA of iPSCs Produce Immunogenic Neoepitopes in Humans. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.1156] [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: 11/26/2022] Open
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Varma M, Srigley JR, Brimo F, Compérat E, Delahunt B, Koch M, Lopez-Beltran A, Reuter V, Samaratunga H, Shanks JH, Tsuzuki T, van der Kwast T, Webster F, Grignon D. Dataset for the reporting of urinary tract carcinoma-biopsy and transurethral resection specimen: recommendations from the International Collaboration on Cancer Reporting (ICCR). Mod Pathol 2020; 33:700-712. [PMID: 31685965 DOI: 10.1038/s41379-019-0403-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 10/10/2019] [Accepted: 10/11/2019] [Indexed: 01/04/2023]
Abstract
The International Collaboration on Cancer Reporting (ICCR) is an alliance of major pathology organisations in Australasia, Canada, Europe, United Kingdom, and United States of America that develops internationally standardised, evidence-based datasets for the pathology reporting of cancer specimens. This dataset was developed by a multidisciplinary panel of international experts based on previously published ICCR guidelines for the production of cancer datasets. It is composed of Required (core) and Recommended (noncore) elements identified on the basis of literature review and expert consensus. The document also includes an explanatory commentary explaining the rationale behind the categorization of individual data items and provides guidance on how these should be collected and reported. The dataset includes nine required and six recommended elements for the reporting of cancers of the urinary tract in biopsy and transurethral resection (TUR) specimens. The required elements include specimen site, operative procedure, histological tumor type, subtype/variant of urothelial carcinoma, tumor grade, extent of invasion, status of muscularis propria, noninvasive carcinoma, and lymphovascular invasion (LVI). The recommended elements include clinical information, block identification key, extent of T1 disease, associated epithelial lesions, coexistent pathology, and ancillary studies. The dataset provides a structured template for globally harmonized collection of pathology data required for management of patients diagnosed with cancer of the urinary tract in biopsy and TUR specimens. It is expected that this will facilitate international collaboration, reduce duplication of effort in updating current national/institutional datasets, and be particularly useful for countries that have not developed their own datasets.
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Affiliation(s)
- M Varma
- Department of Cellular Pathology, University Hospital of Wales, Cardiff, UK.
| | - J R Srigley
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - F Brimo
- Department of Pathology, McGill University Health Center, Montréal, QC, Canada
| | - E Compérat
- Department of Pathology, Hopital Tenon, HUEP, Sorbonne University, Paris, France
| | - B Delahunt
- Department of Pathology and Molecular Medicine, Wellington School of Medicine and Health Sciences, University of Otago, Wellington, New Zealand
| | - M Koch
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - A Lopez-Beltran
- Department of Pathology, Champalimaud Clinical Center, Lisbon, Portugal
| | - V Reuter
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - H Samaratunga
- Aquesta Specialized Uropathology, Brisbane, QLD, Australia.,The University of Queensland, Centre for Clinical Research, Brisbane, QLD, Australia.,Princess Alexandra Hospital, Brisbane, QLD, Australia
| | - J H Shanks
- Department of Histopathology, The Christie NHS Foundation Trust, Manchester, UK
| | - T Tsuzuki
- Department of Pathology, Aichi Medical University, Aichi, Japan
| | - T van der Kwast
- Laboratory Medicine Program, University Health Network, University of Toronto, Toronto, ON, Canada
| | - F Webster
- International Collaboration on Cancer Reporting, Sydney, NSW, Australia
| | - D Grignon
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, IUH Pathology Laboratory, Indianapolis, IN, USA
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Koch M, Perrone E, Silva L, Carvalho A. EP.129A probable new pathogenic variant in RYR1 gene? - 3 case reports. Neuromuscul Disord 2019. [DOI: 10.1016/j.nmd.2019.06.587] [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: 11/17/2022]
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Schuh K, Koch M, Stude P, Straube A. First real world evidence data for the new monoclonal antibody Erenumab from specialized migraine centers in Germany. J Neurol Sci 2019. [DOI: 10.1016/j.jns.2019.10.1808] [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: 11/30/2022]
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Hann C, Burns T, Dowlati A, Morgensztern D, Koch M, Chang YW, Komarnitsky P, Ludwig C, Nimeiri H, Camidge D. A phase I study evaluating rovalpituzumab tesirine (ROVA-T) in frontline treatment of patients (pts) with extensive stage small cell lung cancer (ES-SCLC). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz264.003] [Citation(s) in RCA: 2] [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] [Indexed: 11/13/2022] Open
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