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B, Ayoub K, Younes L, Bannoud MH, Zazo R, Saad A, Hamdan A, Wakkaf H, Adra L, Souliman M, Anton M, Hannouf S, Li KL, Cheng KI, Ji SJ, Hsieh YC, Parlak EA, Demir M, Kara U, Peker YS, Yiğit D, Unal N, Iflazoğlu N, Yalkin Ö, Topal S, Gulcu B, Ozturk E, Gümbelek G, Terkanlıoğlu S, Koklucan A, Ince G, Sen M, Isik O, Kural S, Akesen S, Yilmazlar T, Sungurtekin H, Sungurtekin U, Vural U, Ozgen U, Isik A, Onk D, Kurnaz E, Ozker TS, Ipek A, Ferlengez A, Erturk C, Tatar C, Sevik H, Akay O, Sensoy O, Hayirlioglu MB, Aktas S, Ozben V, Aliyeva Z, Mutlu AU, Gökay BV, Saraçoğlu C, Aytaç E, Gülmez M, Işık MÜ, Hacim A, Akbas A, Soyhan F, Turgut MA, Demirgan S, Meric S, Altinel Y, Baris B, Akova E, Kahraman E, Kucuk HF, Saracoglu KT, Kaya S, Lel S, Gurbulak EK, Caz E, Kostek M, Mihmanli M, Yazici P, Oba S, Kırkan EF, Ulgur HS, Kalın M, Dinkci MD, Duzgun O, Ozturk S, Zengin AK, Aşkar A, Şanlı AN, Erginöz E, Özçelik MF, Ergün S, Uludağ SS, Kara D, Yılmaz G, Sarıcı IŞ, Kara Y, Incesu A, Arican C, Atici SD, Kaya T, Gezer T, Kirmizi Y, Aydin G, Namdaroglu O, Adakaya S, Canda AE, Ozzeybek D, Coskun N, Sokmen S, Ozkardesler S, Bisgin T, Miftari A, Caliskan C, Akgun E, Avseren G, Deniz N, Yoldas T, Güreşin A, Zayakov G, Pösteki G, Utkan NZ, Tatar OC, Akçay Ö, Güler SA, Mantoğlu B, Demirel E, Akın E, Gonullu E, Altintoprak F, Palabıyık O, Bayhan Z, Ciftci AB, Colak E, Aybar E, Celik HK, Eraslan H, Yemez K, Ozbilgin SS, Senol S, Gultekin FA, Piskin O, Guler O, Karadere Y, Kakeeto A, Oguttu B, Sikakulya FK, Lule H, Rybachuk A, Shudrak A, Beznosenko A, Lisnyy I, Rozhkova V, Zvirych V, Alawlaqi D, El Jamali F, Balooshi IA, Ahmed M, Albers M, Ali NA, Church R, Dudas G, Wells J, Pavlova M, Sebastiani S, Paterson C, Kaushal M, Patel P, Panchal S, Handa S, Tezas S, Zaidi SN, Raj G, Wright J, Hallam S, Karandikar S, Gates Z, Marshall A, Thompson A, Tennakoon A, Rao M, Callan R, Tufail S, Rajendran G, Polisetty K, Husain N, Clarke N, Naranayanasamy S, Hallett A, Lorejo E, Ward N, Antakia R, Xanthis A, Simillis C, Tweedle E, Panagiotopoulou I, Grimes L, Mounstephen L, Bocancia R, Carden C, Lynch J, Noveros MS, Shaalan R, Khalil T, Marshall W, Hodge K, Balfour J, Mcintosh K, Buijs L, Yule M, Vaughan-Shaw PG, Smith S, Anderson T, Mcdermott FD, Daniels IR, Tapp J, Smart N, Rajaretnam N, Bethune R, Clark T, Delimpalta C, Liao C, Banham G, Induruwage L, Velchuru V, Lawrence A, Rahman A, Bennett J, Badawi M, Harshen R, Bhargava A, Gorrela K, Jumah M, Hanson M, Arya S, Atendido T, Shrestha A, Cook E, Rakhimov I, Collins J, Alamin N, Vigneswaran N, Basnyat P, Shamardal A, Chacko A, Wanshantha D, Bisheet G, Ebdewi H, Abdellatif M, Adu-Poku P, Tore A, Adams F, Allen K, Ahmed K, Kulkarni N, Chitnis A, Patel H, Magsino J, Sarodaya V, Minicozzi A, Dempsy C, Ahmed H, Jayasinghe JD, Okail MH, Thaha M, Hallworth S, Parmar C, Chua L, Pizanias M, Samin R, Young T, Sagar J, Yorkmui L, Cirocchi N, Ahmed S, Barreda SC, Kudchadkar S, Baker A, Jayasankar B, Jackson J, Abdelsaid K, Hassan M, Shetty S, Coldwell C, Davies E, Nader H, Raistrick M, Ryska O, Hawkin P, Raymond T, Witjes C, Van de Steen K, Crabtree N, Boyce S, Somera W, Woodward A, Ryan K, Kassai M, Aleem M, Ghosh A, Rixson D, Lewis E, Lynch N, Shovelton C, Zywicka E, Guest F, Barton J, Purnell R, Bamford R, Teare T, Adams B, Chmielewski G, Smith L, Connolly L, Niblett R, Singh A, Halliwell G, Paraoan M, Doree N, Asaad P, Kilbride C, Carpenter H, Wilson J, Fletcher J, Vijayagopal KA, Abbakar M, Zaimis T, Walsh A, Kubisz-Pudelko A, Nono J, Pippard L, Chowdhary M, Dalton R, Moussa T, Dominguez F, Solla G, Curbelo J, Laurini M, Viola M, Brito N, Al-Alnsi A, Al-Naggar H, Saryah L, Al-Shehari M, Alsayadi R, Al-Hutheifi R, Shream S, Saeed S, Spurring EM. Evaluation of a quality improvement intervention to reduce anastomotic leak following right colectomy (EAGLE): pragmatic, batched stepped-wedge, cluster-randomized trial in 64 countries. Br J Surg 2024; 111:znad370. [PMID: 38029386 PMCID: PMC10771257 DOI: 10.1093/bjs/znad370] [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] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/10/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023]
Abstract
BACKGROUND Anastomotic leak affects 8 per cent of patients after right colectomy with a 10-fold increased risk of postoperative death. The EAGLE study aimed to develop and test whether an international, standardized quality improvement intervention could reduce anastomotic leaks. METHODS The internationally intended protocol, iteratively co-developed by a multistage Delphi process, comprised an online educational module introducing risk stratification, an intraoperative checklist, and harmonized surgical techniques. Clusters (hospital teams) were randomized to one of three arms with varied sequences of intervention/data collection by a derived stepped-wedge batch design (at least 18 hospital teams per batch). Patients were blinded to the study allocation. Low- and middle-income country enrolment was encouraged. The primary outcome (assessed by intention to treat) was anastomotic leak rate, and subgroup analyses by module completion (at least 80 per cent of surgeons, high engagement; less than 50 per cent, low engagement) were preplanned. RESULTS A total 355 hospital teams registered, with 332 from 64 countries (39.2 per cent low and middle income) included in the final analysis. The online modules were completed by half of the surgeons (2143 of 4411). The primary analysis included 3039 of the 3268 patients recruited (206 patients had no anastomosis and 23 were lost to follow-up), with anastomotic leaks arising before and after the intervention in 10.1 and 9.6 per cent respectively (adjusted OR 0.87, 95 per cent c.i. 0.59 to 1.30; P = 0.498). The proportion of surgeons completing the educational modules was an influence: the leak rate decreased from 12.2 per cent (61 of 500) before intervention to 5.1 per cent (24 of 473) after intervention in high-engagement centres (adjusted OR 0.36, 0.20 to 0.64; P < 0.001), but this was not observed in low-engagement hospitals (8.3 per cent (59 of 714) and 13.8 per cent (61 of 443) respectively; adjusted OR 2.09, 1.31 to 3.31). CONCLUSION Completion of globally available digital training by engaged teams can alter anastomotic leak rates. Registration number: NCT04270721 (http://www.clinicaltrials.gov).
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Toffart AC, Gonzalez F, Hamidfar-Roy R, Darrason M. [ICU admission for cancer patients with respiratory failure: An ethical dilemma]. Rev Mal Respir 2023; 40:692-699. [PMID: 37659881 DOI: 10.1016/j.rmr.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 07/06/2023] [Indexed: 09/04/2023]
Abstract
In medicine, each decision is the result of a trade-off between medical scientific data, the rights of individuals (protection of persons, information, consent), individual desires, collective values and norms, and the economic constraints that guide our society. Whether or not to admit a cancer patient to an intensive care unit is very often an ethical dilemma. It is necessary to distinguish patients who would benefit from admission to an intensive care unit (ICU) from those for whom it would be futile. In this review, we will discuss the appropriateness of ICU admission and the concept of unreasonable admission, along with the different levels of intensity of ICU care and the alternatives to intensive care. We will then consider how and when to initiate reflection leading to a reasonable decision for the patient.
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Affiliation(s)
- A-C Toffart
- Service hospitalo-universitaire de pneumologie et physiologie, pôle thorax et vaisseaux, centre hospitalier universitaire Grenoble Alpes, 38043 Grenoble cedex 9, France; Université Grenoble 1 U 823, institut pour l'avancée des biosciences, université Grenoble Alpes, Grenoble, France.
| | - F Gonzalez
- Unité de réanimation, département anesthésie-réanimation, institut Paoli-Calmettes, Marseille, France
| | - R Hamidfar-Roy
- Service hospitalo-universitaire de pneumologie et physiologie, pôle thorax et vaisseaux, centre hospitalier universitaire Grenoble Alpes, 38043 Grenoble cedex 9, France
| | - M Darrason
- Service de pneumologie aiguë spécialisée et cancérologie thoracique, centre hospitalier Lyon Sud, Lyon, France; Institut de recherches philosophiques de Lyon, université Lyon 3, Lyon, France
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Lora J, Ordoñez L, Almario J, Caraballo J, Cabrera J, Rincón F, Hernandez S, Gonzalez F. Surgical results and clinical performance of an active transcutaneous osseointegrated implant. Braz J Otorhinolaryngol 2022. [DOI: 10.1016/j.bjorl.2022.10.017] [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: 11/16/2022] Open
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M, Dzhendov T, Lindberg F, Rutegård M, Sundbom M, Mickael C, Colucci N, Schnider A, Er S, Kurnaz E, Turkyilmaz S, Turkyilmaz A, Yildirim R, Baki B, Akkapulu N, Karahan O, Damburaci N, Hardwick R, Safranek P, Sujendran V, Bennett J, Afzal Z, Shrotri M, Chan B, Exarchou K, Gilbert T, Amalesh T, Mukherjee D, Mukherjee S, Wiggins T, Kennedy R, McCain S, Harris A, Dobson G, Davies N, Wilson I, Mayo D, Bennett D, Young R, Manby P, Blencowe N, Schiller M, Byrne B, Mitton D, Wong V, Elshaer A, Cowen M, Menon V, Tan L, McLaughlin E, Koshy R, Sharp C, Brewer H, Das N, Cox M, Al Khyatt W, Worku D, Iqbal R, Walls L, McGregor R, Fullarton G, Macdonald A, MacKay C, Craig C, Dwerryhouse S, Hornby S, Jaunoo S, Wadley M, Baker C, Saad M, Kelly M, Davies A, Di Maggio F, McKay S, Mistry P, Singhal R, Tucker O, Kapoulas S, Powell-Brett S, Davis P, Bromley G, Watson L, Verma R, Ward J, Shetty V, Ball C, Pursnani K, Sarela A, Sue Ling H, Mehta S, Hayden J, To N, Palser T, Hunter D, Supramaniam K, Butt Z, Ahmed A, Kumar S, Chaudry A, Moussa O, Kordzadeh A, Lorenzi B, Wilson M, Patil P, Noaman I, Willem J, Bouras G, Evans R, Singh M, Warrilow H, Ahmad A, Tewari N, Yanni F, Couch J, Theophilidou E, Reilly J, Singh P, van Boxel Gijs, Akbari K, Zanotti D, Sgromo B, Sanders G, Wheatley T, Ariyarathenam A, Reece-Smith A, Humphreys L, Choh C, Carter N, Knight B, Pucher P, Athanasiou A, Mohamed I, Tan B, Abdulrahman M, Vickers J, Akhtar K, Chaparala R, Brown R, Alasmar M, Ackroyd R, Patel K, Tamhankar A, Wyman A, Walker R, Grace B, Abbassi N, Slim N, Ioannidi L, Blackshaw G, Havard T, Escofet X, Powell A, Owera A, Rashid F, Jambulingam P, Padickakudi J, Ben-Younes H, Mccormack K, Makey I, Karush M, Seder C, Liptay M, Chmielewski G, Rosato E, Berger A, Zheng R, Okolo E, Singh A, Scott C, Weyant M, Mitchell J. The influence of anastomotic techniques on postoperative anastomotic complications: Results of the Oesophago-Gastric Anastomosis Audit. J Thorac Cardiovasc Surg 2022; 164:674-684.e5. [PMID: 35249756 DOI: 10.1016/j.jtcvs.2022.01.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 12/22/2021] [Accepted: 01/18/2022] [Indexed: 12/08/2022]
Abstract
BACKGROUND The optimal anastomotic techniques in esophagectomy to minimize rates of anastomotic leakage and conduit necrosis are not known. The aim of this study was to assess whether the anastomotic technique was associated with anastomotic failure after esophagectomy in the international Oesophago-Gastric Anastomosis Audit cohort. METHODS This prospective observational multicenter cohort study included patients undergoing esophagectomy for esophageal cancer over 9 months during 2018. The primary exposure was the anastomotic technique, classified as handsewn, linear stapled, or circular stapled. The primary outcome was anastomotic failure, namely a composite of anastomotic leakage and conduit necrosis, as defined by the Esophageal Complications Consensus Group. Multivariable logistic regression modeling was used to identify the association between anastomotic techniques and anastomotic failure, after adjustment for confounders. RESULTS Of the 2238 esophagectomies, the anastomosis was handsewn in 27.1%, linear stapled in 21.0%, and circular stapled in 51.9%. Anastomotic techniques differed significantly by the anastomosis sites (P < .001), with the majority of neck anastomoses being handsewn (69.9%), whereas most chest anastomoses were stapled (66.3% circular stapled and 19.3% linear stapled). Rates of anastomotic failure differed significantly among the anastomotic techniques (P < .001), from 19.3% in handsewn anastomoses, to 14.0% in linear stapled anastomoses, and 12.1% in circular stapled anastomoses. This effect remained significant after adjustment for confounding factors on multivariable analysis, with an odds ratio of 0.63 (95% CI, 0.46-0.86; P = .004) for circular stapled versus handsewn anastomosis. However, subgroup analysis by anastomosis site suggested that this effect was predominantly present in neck anastomoses, with anastomotic failure rates of 23.2% versus 14.6% versus 5.9% for handsewn versus linear stapled anastomoses versus circular stapled neck anastomoses, compared with 13.7% versus 13.8% versus 12.2% for chest anastomoses. CONCLUSIONS Handsewn anastomoses appear to be independently associated with higher rates of anastomotic failure compared with stapled anastomoses. However, this effect seems to be largely confined to neck anastomoses, with minimal differences between techniques observed for chest anastomoses. Further research into standardization of anastomotic approach and techniques may further improve outcomes.
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Fernández-Eulate G, Arocena P, Muñoz-Lopetegi A, Rodriguez-Antigüedad J, Campo-Caballero D, Equiza J, Andrés N, de Arce A, Gonzalez F, Diez N, Basterrechea J, Suquia E, de la Riva P, Martinez-Zabaleta M. Attention to acute cerebrovascular disease in Guipúzcoa: Description of the results of a reference hospital in a centralized care model. Neurologia 2022; 37:355-361. [PMID: 31053483 DOI: 10.1016/j.nrl.2019.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 02/22/2019] [Accepted: 03/03/2019] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION In the last 15 years, considerable improvements have been made in acute stroke care in Guipuzkoa, including the implementation of a centralised care model at Hospital Universitario Donostia (HUD), improved coordination between professionals, early detection campaigns, new treatments, a stroke unit, and specific rehabilitation. The aim of this work is to describe the results of a reference hospital (HUD) in a centralised care model. MATERIAL AND METHODS We performed a retrospective observational study of a sample of patients discharged between August and December 2015 from the HUD with a diagnosis of acute stroke (ICD-9-CM codes 430-436, except 433.10). We review patients' baseline characteristics, acute-phase care, and functional outcomes and mortality at discharge and at one year. RESULTS AND DISCUSSION We identified 536 patients, with a mean age of 73.6 years and a high comorbidity rate. Ischaemic stroke accounted for 64.8% of patients, followed by haemorrhagic stroke (20%) and transient ischaemic attack (14.8%). A total of 53% of patients were attended in <6 hours, with code stroke being activated in 37.1%; 52.2% of patients were admitted to the stroke unit. Intravenous therapy was administered to 8.3% of patients with ischaemic stroke, and 9.5% underwent mechanical thrombectomy. Surgery was performed in 12.1% patients with haemorrhagic stroke. Rehabilitation was started at hospital in 56% of patients, and 39.6% continued with this treatment at discharge. Mortality was 13.8% at discharge and 25.9% at one year (ischaemic stroke, 25.3%; haemorrhagic stroke, 47.5%); these figures are lower than those previously reported in Guipuzkoa. At one year, 62.5% of patients had a Barthel Index score of 95-100, and 50% a modified Rankin Scale score of 0-2. CONCLUSIONS After the strategic changes implemented in acute stroke care in Guipuzkoa, including the centralisation of the acute stroke care model, mortality rates at discharge and at one year are lower in 2015 than the previously reported rates, with similar rates of independence. These results are consistent with those published by other Spanish and European centres.
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Affiliation(s)
- G Fernández-Eulate
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España.
| | - P Arocena
- Facultad de Medicina, UPV, San Sebastián, Guipúzcoa, España
| | - A Muñoz-Lopetegi
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - J Rodriguez-Antigüedad
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - D Campo-Caballero
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - J Equiza
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - N Andrés
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - A de Arce
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - F Gonzalez
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - N Diez
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - J Basterrechea
- Servicio de Calidad, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - E Suquia
- Servicio de Calidad, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - P de la Riva
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España
| | - M Martinez-Zabaleta
- Servicio de Neurología, Hospital Universitario Donostia, San Sebastián, Guipúzcoa, España; Facultad de Medicina, UPV, San Sebastián, Guipúzcoa, España
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Kamarajah SK, Evans RPT, Nepogodiev D, Hodson J, Bundred JR, Gockel I, Gossage JA, Isik A, Kidane B, Mahendran HA, Negoi I, Okonta KE, Sayyed R, van Hillegersberg R, Vohra RS, Wijnhoven BPL, Singh P, Griffiths EA, Kamarajah SK, Hodson J, Griffiths EA, Alderson D, Bundred J, Evans RPT, Gossage J, Griffiths EA, Jefferies B, Kamarajah SK, McKay S, Mohamed I, Nepogodiev D, Siaw-Acheampong K, Singh P, van Hillegersberg R, Vohra R, Wanigasooriya K, Whitehouse T, Gjata A, Moreno JI, Takeda FR, Kidane B, Guevara Castro R, Harustiak T, Bekele A, Kechagias A, Gockel I, Kennedy A, Da Roit A, Bagajevas A, Azagra JS, Mahendran HA, Mejía-Fernández L, Wijnhoven BPL, El Kafsi J, Sayyed RH, Sousa M M, Sampaio AS, Negoi I, Blanco R, Wallner B, Schneider PM, Hsu PK, Isik A, Gananadha S, Wills V, Devadas M, Duong C, Talbot M, Hii MW, Jacobs R, Andreollo NA, Johnston B, Darling G, Isaza-Restrepo A, Rosero G, Arias-Amézquita F, Raptis D, Gaedcke J, Reim D, Izbicki J, Egberts JH, Dikinis S, Kjaer DW, Larsen MH, Achiam MP, Saarnio J, Theodorou D, Liakakos T, Korkolis DP, Robb WB, Collins C, Murphy T, Reynolds J, Tonini V, Migliore M, Bonavina L, Valmasoni M, Bardini R, Weindelmayer J, Terashima M, White RE, Alghunaim E, Elhadi M, Leon-Takahashi AM, Medina-Franco H, Lau PC, Okonta KE, Heisterkamp J, Rosman C, van Hillegersberg R, Beban G, Babor R, Gordon A, Rossaak JI, Pal KMI, Qureshi AU, Naqi SA, Syed AA, Barbosa J, Vicente CS, Leite J, Freire J, Casaca R, Costa RCT, Scurtu RR, Mogoanta SS, Bolca C, Constantinoiu S, Sekhniaidze D, Bjelović M, So JBY, Gačevski G, Loureiro C, Pera M, Bianchi A, Moreno Gijón M, Martín Fernández J, Trugeda Carrera MS, Vallve-Bernal M, Cítores Pascual MA, Elmahi S, Halldestam I, Hedberg J, Mönig S, Gutknecht S, Tez M, Guner A, Tirnaksiz MB, Colak E, Sevinç B, Hindmarsh A, Khan I, Khoo D, Byrom R, Gokhale J, Wilkerson P, Jain P, Chan D, Robertson K, Iftikhar S, Skipworth R, Forshaw M, Higgs S, Gossage J, Nijjar R, Viswanath YKS, Turner P, Dexter S, Boddy A, Allum WH, Oglesby S, Cheong E, Beardsmore D, Vohra R, Maynard N, Berrisford R, Mercer S, Puig S, Melhado R, Kelty C, Underwood T, Dawas K, Lewis W, Bryce G, Thomas M, Arndt AT, Palazzo F, Meguid RA, Fergusson J, Beenen E, Mosse C, Salim J, Cheah S, Wright T, Cerdeira MP, McQuillan P, Richardson M, Liem H, Spillane J, Yacob M, Albadawi F, Thorpe T, Dingle A, Cabalag C, Loi K, Fisher OM, Ward S, Read M, Johnson M, Bassari R, Bui H, Cecconello I, Sallum RAA, da Rocha JRM, Lopes LR, Tercioti Jr V, Coelho JDS, Ferrer JAP, Buduhan G, Tan L, Srinathan S, Shea P, Yeung J, Allison F, Carroll P, Vargas-Barato F, Gonzalez F, Ortega J, Nino-Torres L, Beltrán-García TC, Castilla L, Pineda M, Bastidas A, Gómez-Mayorga J, Cortés N, Cetares C, Caceres S, Duarte S, Pazdro A, Snajdauf M, Faltova H, Sevcikova M, Mortensen PB, Katballe N, Ingemann T, Morten B, Kruhlikava I, Ainswort AP, Stilling NM, Eckardt J, Holm J, Thorsteinsson M, Siemsen M, Brandt B, Nega B, Teferra E, Tizazu A, Kauppila JH, Koivukangas V, Meriläinen S, Gruetzmann R, Krautz C, Weber G, Golcher H, Emons G, Azizian A, Ebeling M, Niebisch S, Kreuser N, Albanese G, Hesse J, Volovnik L, Boecher U, Reeh M, Triantafyllou S, Schizas D, Michalinos A, Balli E, Mpoura M, Charalabopoulos A, Manatakis DK, Balalis D, Bolger J, Baban C, Mastrosimone A, McAnena O, Quinn A, Ó Súilleabháin CB, Hennessy MM, Ivanovski I, Khizer H, Ravi N, Donlon N, Cervellera M, Vaccari S, Bianchini S, Asti E, Bernardi D, Merigliano S, Provenzano L, Scarpa M, Saadeh L, Salmaso B, De Manzoni G, Giacopuzzi S, La Mendola R, De Pasqual CA, Tsubosa Y, Niihara M, Irino T, Makuuchi R, Ishii K K, Mwachiro M, Fekadu A, Odera A, Mwachiro E, AlShehab D, Ahmed HA, Shebani AO, Elhadi A, Elnagar FA, Elnagar HF, Makkai-Popa ST, Wong LF, Tan YR, Thannimalai S, Ho CA, Pang WS, Tan JH, Basave HNL, Cortés-González R, Lagarde SM, van Lanschot JJB, Cords C, Jansen WA, Martijnse I, Matthijsen R, Bouwense S, Klarenbeek B, Verstegen M, van Workum F, Ruurda JP, van der Sluis PC, de Maat M, Evenett N, Johnston P, Patel R, MacCormick A, Smith B, Ekwunife C, Memon AH, Shaikh K, Wajid A, Khalil N, Haris M, Mirza ZU, Qudus SBA, Sarwar MZ, Shehzadi A, Raza A, Jhanzaib MH, Farmanali J, Zakir Z, Shakeel O, Nasir I, Khattak S, Baig M, Noor MA, Ahmed HH, Naeem A, Pinho AC, da Silva R, Bernardes A, Campos JC, Matos H, Braga T, Monteiro C, Ramos P, Cabral F, Gomes MP, Martins PC, Correia AM, Videira JF, Ciuce C, Drasovean R, Apostu R, Ciuce C, Paitici S, Racu AE, Obleaga CV, Beuran M, Stoica B, Ciubotaru C, Negoita V, Cordos I, Birla RD, Predescu D, Hoara PA, Tomsa R, Shneider V, Agasiev M, Ganjara I, Gunjić D, Veselinović M, Babič T, Chin TS, Shabbir A, Kim G, Crnjac A, Samo H, Díez del Val I, Leturio S, Ramón JM, Dal Cero M, Rifá S, Rico M, Pagan Pomar A, Martinez Corcoles JA, Rodicio Miravalles JL, Pais SA, Turienzo SA, Alvarez LS, Campos PV, Rendo AG, García SS, Santos EPG, Martínez ET, Fernández Díaz MJ, Magadán Álvarez C, Concepción Martín V, Díaz López C, Rosat Rodrigo A, Pérez Sánchez LE, Bailón Cuadrado M, Tinoco Carrasco C, Choolani Bhojwani E, Sánchez DP, Ahmed ME, Dzhendov T, Lindberg F, Rutegård M, Sundbom M, Mickael C, Colucci N, Schnider A, Er S, Kurnaz E, Turkyilmaz S, Turkyilmaz A, Yildirim R, Baki BE, Akkapulu N, Karahan O, Damburaci N, Hardwick R, Safranek P, Sujendran V, Bennett J, Afzal Z, Shrotri M, Chan B, Exarchou K, Gilbert T, Amalesh T, Mukherjee D, Mukherjee S, Wiggins TH, Kennedy R, McCain S, Harris A, Dobson G, Davies N, Wilson I, Mayo D, Bennett D, Young R, Manby P, Blencowe N, Schiller M, Byrne B, Mitton D, Wong V, Elshaer A, Cowen M, Menon V, Tan LC, McLaughlin E, Koshy R, Sharp C, Brewer H, Das N, Cox M, Al Khyatt W, Worku D, Iqbal R, Walls L, McGregor R, Fullarton G, Macdonald A, MacKay C, Craig C, Dwerryhouse S, Hornby S, Jaunoo S, Wadley M, Baker C, Saad M, Kelly M, Davies A, Di Maggio F, McKay S, Mistry P, Singhal R, Tucker O, Kapoulas S, Powell-Brett S, Davis P, Bromley G, Watson L, Verma R, Ward J, Shetty V, Ball C, Pursnani K, Sarela A, Sue Ling H, Mehta S, Hayden J, To N, Palser T, Hunter D, Supramaniam K, Butt Z, Ahmed A, Kumar S, Chaudry A, Moussa O, Kordzadeh A, Lorenzi B, Wilson M, Patil P, Noaman I, Bouras G, Evans R, Singh M, Warrilow H, Ahmad A, Tewari N, Yanni F, Couch J, Theophilidou E, Reilly JJ, Singh P, van Boxel G, Akbari K, Zanotti D, Sanders G, Wheatley T, Ariyarathenam A, Reece-Smith A, Humphreys L, Choh C, Carter N, Knight B, Pucher P, Athanasiou A, Mohamed I, Tan B, Abdulrahman M, Vickers J, Akhtar K, Chaparala R, Brown R, Alasmar MMA, Ackroyd R, Patel K, Tamhankar A, Wyman A, Walker R, Grace B, Abbassi N, Slim N, Ioannidi L, Blackshaw G, Havard T, Escofet X, Powell A, Owera A, Rashid F, Jambulingam P, Padickakudi J, Ben-Younes H, Mccormack K, Makey IA, Karush MK, Seder CW, Liptay MJ, Chmielewski G, Rosato EL, Berger AC, Zheng R, Okolo E, Singh A, Scott CD, Weyant MJ, Mitchell JD. Textbook outcome following oesophagectomy for cancer: international cohort study. Br J Surg 2022. [DOI: https://doi.org/10.1093/bjs/znac016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Abstract
Background
Textbook outcome has been proposed as a tool for the assessment of oncological surgical care. However, an international assessment in patients undergoing oesophagectomy for oesophageal cancer has not been reported. This study aimed to assess textbook outcome in an international setting.
Methods
Patients undergoing curative resection for oesophageal cancer were identified from the international Oesophagogastric Anastomosis Audit (OGAA) from April 2018 to December 2018. Textbook outcome was defined as the percentage of patients who underwent a complete tumour resection with at least 15 lymph nodes in the resected specimen and an uneventful postoperative course, without hospital readmission. A multivariable binary logistic regression model was used to identify factors independently associated with textbook outcome, and results are presented as odds ratio (OR) and 95 per cent confidence intervals (95 per cent c.i.).
Results
Of 2159 patients with oesophageal cancer, 39.7 per cent achieved a textbook outcome. The outcome parameter ‘no major postoperative complication’ had the greatest negative impact on a textbook outcome for patients with oesophageal cancer, compared to other textbook outcome parameters. Multivariable analysis identified male gender and increasing Charlson comorbidity index with a significantly lower likelihood of textbook outcome. Presence of 24-hour on-call rota for oesophageal surgeons (OR 2.05, 95 per cent c.i. 1.30 to 3.22; P = 0.002) and radiology (OR 1.54, 95 per cent c.i. 1.05 to 2.24; P = 0.027), total minimally invasive oesophagectomies (OR 1.63, 95 per cent c.i. 1.27 to 2.08; P < 0.001), and chest anastomosis above azygous (OR 2.17, 95 per cent c.i. 1.58 to 2.98; P < 0.001) were independently associated with a significantly increased likelihood of textbook outcome.
Conclusion
Textbook outcome is achieved in less than 40 per cent of patients having oesophagectomy for cancer. Improvements in centralization, hospital resources, access to minimal access surgery, and adoption of newer techniques for improving lymph node yield could improve textbook outcome.
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7
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Kamarajah SK, Evans RPT, Nepogodiev D, Hodson J, Bundred JR, Gockel I, Gossage JA, Isik A, Kidane B, Mahendran HA, Negoi I, Okonta KE, Sayyed R, van Hillegersberg R, Vohra RS, Wijnhoven BPL, Singh P, Griffiths EA, Kamarajah SK, Hodson J, Griffiths EA, Alderson D, Bundred J, Evans RPT, Gossage J, Griffiths EA, Jefferies B, Kamarajah SK, McKay S, Mohamed I, Nepogodiev D, Siaw-Acheampong K, Singh P, van Hillegersberg R, Vohra R, Wanigasooriya K, Whitehouse T, Gjata A, Moreno JI, Takeda FR, Kidane B, Guevara Castro R, Harustiak T, Bekele A, Kechagias A, Gockel I, Kennedy A, Da Roit A, Bagajevas A, Azagra JS, Mahendran HA, Mejía-Fernández L, Wijnhoven BPL, El Kafsi J, Sayyed RH, Sousa M M, Sampaio AS, Negoi I, Blanco R, Wallner B, Schneider PM, Hsu PK, Isik A, Gananadha S, Wills V, Devadas M, Duong C, Talbot M, Hii MW, Jacobs R, Andreollo NA, Johnston B, Darling G, Isaza-Restrepo A, Rosero G, Arias-Amézquita F, Raptis D, Gaedcke J, Reim D, Izbicki J, Egberts JH, Dikinis S, Kjaer DW, Larsen MH, Achiam MP, Saarnio J, Theodorou D, Liakakos T, Korkolis DP, Robb WB, Collins C, Murphy T, Reynolds J, Tonini V, Migliore M, Bonavina L, Valmasoni M, Bardini R, Weindelmayer J, Terashima M, White RE, Alghunaim E, Elhadi M, Leon-Takahashi AM, Medina-Franco H, Lau PC, Okonta KE, Heisterkamp J, Rosman C, van Hillegersberg R, Beban G, Babor R, Gordon A, Rossaak JI, Pal KMI, Qureshi AU, Naqi SA, Syed AA, Barbosa J, Vicente CS, Leite J, Freire J, Casaca R, Costa RCT, Scurtu RR, Mogoanta SS, Bolca C, Constantinoiu S, Sekhniaidze D, Bjelović M, So JBY, Gačevski G, Loureiro C, Pera M, Bianchi A, Moreno Gijón M, Martín Fernández J, Trugeda Carrera MS, Vallve-Bernal M, Cítores Pascual MA, Elmahi S, Halldestam I, Hedberg J, Mönig S, Gutknecht S, Tez M, Guner A, Tirnaksiz MB, Colak E, Sevinç B, Hindmarsh A, Khan I, Khoo D, Byrom R, Gokhale J, Wilkerson P, Jain P, Chan D, Robertson K, Iftikhar S, Skipworth R, Forshaw M, Higgs S, Gossage J, Nijjar R, Viswanath YKS, Turner P, Dexter S, Boddy A, Allum WH, Oglesby S, Cheong E, Beardsmore D, Vohra R, Maynard N, Berrisford R, Mercer S, Puig S, Melhado R, Kelty C, Underwood T, Dawas K, Lewis W, Bryce G, Thomas M, Arndt AT, Palazzo F, Meguid RA, Fergusson J, Beenen E, Mosse C, Salim J, Cheah S, Wright T, Cerdeira MP, McQuillan P, Richardson M, Liem H, Spillane J, Yacob M, Albadawi F, Thorpe T, Dingle A, Cabalag C, Loi K, Fisher OM, Ward S, Read M, Johnson M, Bassari R, Bui H, Cecconello I, Sallum RAA, da Rocha JRM, Lopes LR, Tercioti Jr V, Coelho JDS, Ferrer JAP, Buduhan G, Tan L, Srinathan S, Shea P, Yeung J, Allison F, Carroll P, Vargas-Barato F, Gonzalez F, Ortega J, Nino-Torres L, Beltrán-García TC, Castilla L, Pineda M, Bastidas A, Gómez-Mayorga J, Cortés N, Cetares C, Caceres S, Duarte S, Pazdro A, Snajdauf M, Faltova H, Sevcikova M, Mortensen PB, Katballe N, Ingemann T, Morten B, Kruhlikava I, Ainswort AP, Stilling NM, Eckardt J, Holm J, Thorsteinsson M, Siemsen M, Brandt B, Nega B, Teferra E, Tizazu A, Kauppila JH, Koivukangas V, Meriläinen S, Gruetzmann R, Krautz C, Weber G, Golcher H, Emons G, Azizian A, Ebeling M, Niebisch S, Kreuser N, Albanese G, Hesse J, Volovnik L, Boecher U, Reeh M, Triantafyllou S, Schizas D, Michalinos A, Balli E, Mpoura M, Charalabopoulos A, Manatakis DK, Balalis D, Bolger J, Baban C, Mastrosimone A, McAnena O, Quinn A, Ó Súilleabháin CB, Hennessy MM, Ivanovski I, Khizer H, Ravi N, Donlon N, Cervellera M, Vaccari S, Bianchini S, Asti E, Bernardi D, Merigliano S, Provenzano L, Scarpa M, Saadeh L, Salmaso B, De Manzoni G, Giacopuzzi S, La Mendola R, De Pasqual CA, Tsubosa Y, Niihara M, Irino T, Makuuchi R, Ishii K K, Mwachiro M, Fekadu A, Odera A, Mwachiro E, AlShehab D, Ahmed HA, Shebani AO, Elhadi A, Elnagar FA, Elnagar HF, Makkai-Popa ST, Wong LF, Tan YR, Thannimalai S, Ho CA, Pang WS, Tan JH, Basave HNL, Cortés-González R, Lagarde SM, van Lanschot JJB, Cords C, Jansen WA, Martijnse I, Matthijsen R, Bouwense S, Klarenbeek B, Verstegen M, van Workum F, Ruurda JP, van der Sluis PC, de Maat M, Evenett N, Johnston P, Patel R, MacCormick A, Smith B, Ekwunife C, Memon AH, Shaikh K, Wajid A, Khalil N, Haris M, Mirza ZU, Qudus SBA, Sarwar MZ, Shehzadi A, Raza A, Jhanzaib MH, Farmanali J, Zakir Z, Shakeel O, Nasir I, Khattak S, Baig M, Noor MA, Ahmed HH, Naeem A, Pinho AC, da Silva R, Bernardes A, Campos JC, Matos H, Braga T, Monteiro C, Ramos P, Cabral F, Gomes MP, Martins PC, Correia AM, Videira JF, Ciuce C, Drasovean R, Apostu R, Ciuce C, Paitici S, Racu AE, Obleaga CV, Beuran M, Stoica B, Ciubotaru C, Negoita V, Cordos I, Birla RD, Predescu D, Hoara PA, Tomsa R, Shneider V, Agasiev M, Ganjara I, Gunjić D, Veselinović M, Babič T, Chin TS, Shabbir A, Kim G, Crnjac A, Samo H, Díez del Val I, Leturio S, Ramón JM, Dal Cero M, Rifá S, Rico M, Pagan Pomar A, Martinez Corcoles JA, Rodicio Miravalles JL, Pais SA, Turienzo SA, Alvarez LS, Campos PV, Rendo AG, García SS, Santos EPG, Martínez ET, Fernández Díaz MJ, Magadán Álvarez C, Concepción Martín V, Díaz López C, Rosat Rodrigo A, Pérez Sánchez LE, Bailón Cuadrado M, Tinoco Carrasco C, Choolani Bhojwani E, Sánchez DP, Ahmed ME, Dzhendov T, Lindberg F, Rutegård M, Sundbom M, Mickael C, Colucci N, Schnider A, Er S, Kurnaz E, Turkyilmaz S, Turkyilmaz A, Yildirim R, Baki BE, Akkapulu N, Karahan O, Damburaci N, Hardwick R, Safranek P, Sujendran V, Bennett J, Afzal Z, Shrotri M, Chan B, Exarchou K, Gilbert T, Amalesh T, Mukherjee D, Mukherjee S, Wiggins TH, Kennedy R, McCain S, Harris A, Dobson G, Davies N, Wilson I, Mayo D, Bennett D, Young R, Manby P, Blencowe N, Schiller M, Byrne B, Mitton D, Wong V, Elshaer A, Cowen M, Menon V, Tan LC, McLaughlin E, Koshy R, Sharp C, Brewer H, Das N, Cox M, Al Khyatt W, Worku D, Iqbal R, Walls L, McGregor R, Fullarton G, Macdonald A, MacKay C, Craig C, Dwerryhouse S, Hornby S, Jaunoo S, Wadley M, Baker C, Saad M, Kelly M, Davies A, Di Maggio F, McKay S, Mistry P, Singhal R, Tucker O, Kapoulas S, Powell-Brett S, Davis P, Bromley G, Watson L, Verma R, Ward J, Shetty V, Ball C, Pursnani K, Sarela A, Sue Ling H, Mehta S, Hayden J, To N, Palser T, Hunter D, Supramaniam K, Butt Z, Ahmed A, Kumar S, Chaudry A, Moussa O, Kordzadeh A, Lorenzi B, Wilson M, Patil P, Noaman I, Bouras G, Evans R, Singh M, Warrilow H, Ahmad A, Tewari N, Yanni F, Couch J, Theophilidou E, Reilly JJ, Singh P, van Boxel G, Akbari K, Zanotti D, Sanders G, Wheatley T, Ariyarathenam A, Reece-Smith A, Humphreys L, Choh C, Carter N, Knight B, Pucher P, Athanasiou A, Mohamed I, Tan B, Abdulrahman M, Vickers J, Akhtar K, Chaparala R, Brown R, Alasmar MMA, Ackroyd R, Patel K, Tamhankar A, Wyman A, Walker R, Grace B, Abbassi N, Slim N, Ioannidi L, Blackshaw G, Havard T, Escofet X, Powell A, Owera A, Rashid F, Jambulingam P, Padickakudi J, Ben-Younes H, Mccormack K, Makey IA, Karush MK, Seder CW, Liptay MJ, Chmielewski G, Rosato EL, Berger AC, Zheng R, Okolo E, Singh A, Scott CD, Weyant MJ, Mitchell JD. Textbook outcome following oesophagectomy for cancer: international cohort study. Br J Surg 2022; 109:439-449. [PMID: 35194634 DOI: 10.1093/bjs/znac016] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/08/2021] [Accepted: 01/04/2022] [Indexed: 11/14/2022]
Abstract
BACKGROUND Textbook outcome has been proposed as a tool for the assessment of oncological surgical care. However, an international assessment in patients undergoing oesophagectomy for oesophageal cancer has not been reported. This study aimed to assess textbook outcome in an international setting. METHODS Patients undergoing curative resection for oesophageal cancer were identified from the international Oesophagogastric Anastomosis Audit (OGAA) from April 2018 to December 2018. Textbook outcome was defined as the percentage of patients who underwent a complete tumour resection with at least 15 lymph nodes in the resected specimen and an uneventful postoperative course, without hospital readmission. A multivariable binary logistic regression model was used to identify factors independently associated with textbook outcome, and results are presented as odds ratio (OR) and 95 per cent confidence intervals (95 per cent c.i.). RESULTS Of 2159 patients with oesophageal cancer, 39.7 per cent achieved a textbook outcome. The outcome parameter 'no major postoperative complication' had the greatest negative impact on a textbook outcome for patients with oesophageal cancer, compared to other textbook outcome parameters. Multivariable analysis identified male gender and increasing Charlson comorbidity index with a significantly lower likelihood of textbook outcome. Presence of 24-hour on-call rota for oesophageal surgeons (OR 2.05, 95 per cent c.i. 1.30 to 3.22; P = 0.002) and radiology (OR 1.54, 95 per cent c.i. 1.05 to 2.24; P = 0.027), total minimally invasive oesophagectomies (OR 1.63, 95 per cent c.i. 1.27 to 2.08; P < 0.001), and chest anastomosis above azygous (OR 2.17, 95 per cent c.i. 1.58 to 2.98; P < 0.001) were independently associated with a significantly increased likelihood of textbook outcome. CONCLUSION Textbook outcome is achieved in less than 40 per cent of patients having oesophagectomy for cancer. Improvements in centralization, hospital resources, access to minimal access surgery, and adoption of newer techniques for improving lymph node yield could improve textbook outcome.
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Abalo-Lojo J, Gonzalez F. Yearning for face-to-face meetings. Archivos de la Sociedad Española de Oftalmología (English Edition) 2022; 97:61-62. [PMID: 35152949 PMCID: PMC8801261 DOI: 10.1016/j.oftale.2021.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 07/06/2021] [Indexed: 11/10/2022]
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Evans RPT, Kamarajah SK, Bundred J, Nepogodiev D, Hodson J, van Hillegersberg R, Gossage J, Vohra R, Griffiths EA, Singh P, Evans RPT, Hodson J, Kamarajah SK, Griffiths EA, Singh P, Alderson D, Bundred J, Evans RPT, Gossage J, Griffiths EA, Jefferies B, Kamarajah SK, McKay S, Mohamed I, Nepogodiev D, Siaw- Acheampong K, Singh P, van Hillegersberg R, Vohra R, Wanigasooriya K, Whitehouse T, Gjata A, Moreno JI, Takeda FR, Kidane B, Guevara Castro R, Harustiak T, Bekele A, Kechagias A, Gockel I, Kennedy A, Da Roit A, Bagajevas A, Azagra JS, Mahendran HA, Mejía-Fernández L, Wijnhoven BPL, El Kafsi J, Sayyed RH, Sousa M, Sampaio AS, Negoi I, Blanco R, Wallner B, Schneider PM, Hsu PK, Isik A, Gananadha S, Wills V, Devadas M, Duong C, Talbot M, Hii MW, Jacobs R, Andreollo NA, Johnston B, Darling G, Isaza-Restrepo A, Rosero G, Arias-Amézquita F, Raptis D, Gaedcke J, Reim D, Izbicki J, Egberts JH, Dikinis S, Kjaer DW, Larsen MH, Achiam MP, Saarnio J, Theodorou D, Liakakos T, Korkolis DP, Robb WB, Collins C, Murphy T, Reynolds J, Tonini V, Migliore M, Bonavina L, Valmasoni M, Bardini R, Weindelmayer J, Terashima M, White RE, Alghunaim E, Elhadi M, Leon-Takahashi AM, Medina-Franco H, Lau PC, Okonta KE, Heisterkamp J, Rosman C, van Hillegersberg R, Beban G, Babor R, Gordon A, Rossaak JI, Pal KMI, Qureshi AU, Naqi SA, Syed AA, Barbosa J, Vicente CS, Leite J, Freire J, Casaca R, Costa RCT, Scurtu RR, Mogoanta SS, Bolca C, Constantinoiu S, Sekhniaidze D, Bjelović M, So JBY, Gačevski G, Loureiro C, Pera M, Bianchi A, Moreno Gijón M, Martín Fernández J, Trugeda Carrera MS, Vallve-Bernal M, Cítores Pascual MA, Elmahi S, Hedberg J, Mönig S, Gutknecht S, Tez M, Guner A, Tirnaksiz TB, Colak E, Sevinç B, Hindmarsh A, Khan I, Khoo D, Byrom R, Gokhale J, Wilkerson P, Jain P, Chan D, Robertson K, Iftikhar S, Skipworth R, Forshaw M, Higgs S, Gossage J, Nijjar R, Viswanath YKS, Turner P, Dexter S, Boddy A, Allum WH, Oglesby S, Cheong E, Beardsmore D, Vohra R, Maynard N, Berrisford R, Mercer S, Puig S, Melhado R, Kelty C, Underwood T, Dawas K, Lewis W, Al-Bahrani A, Bryce G, Thomas M, Arndt AT, Palazzo F, Meguid RA, Fergusson J, Beenen E, Mosse C, Salim J, Cheah S, Wright T, Cerdeira MP, McQuillan P, Richardson M, Liem H, Spillane J, Yacob M, Albadawi F, Thorpe T, Dingle A, Cabalag C, Loi K, Fisher OM, Ward S, Read M, Johnson M, Bassari R, Bui H, Cecconello I, Sallum RAA, da Rocha JRM, Lopes LR, Tercioti V, Coelho JDS, Ferrer JAP, Buduhan G, Tan L, Srinathan S, Shea P, Yeung J, Allison F, Carroll P, Vargas-Barato F, Gonzalez F, Ortega J, Nino-Torres L, Beltrán-García TC, Castilla L, Pineda M, Bastidas A, Gómez-Mayorga J, Cortés N, Cetares C, Caceres S, Duarte S, Pazdro A, Snajdauf M, Faltova H, Sevcikova M, Mortensen PB, Katballe N, Ingemann T, Morten B, Kruhlikava I, Ainswort AP, Stilling NM, Eckardt J, Holm J, Thorsteinsson M, Siemsen M, Brandt B, Nega B, Teferra E, Tizazu A, Kauppila JS, Koivukangas V, Meriläinen S, Gruetzmann R, Krautz C, Weber G, Golcher H, Emons G, Azizian A, Ebeling M, Niebisch S, Kreuser N, Albanese G, Hesse J, Volovnik L, Boecher U, Reeh M, Triantafyllou S, Schizas D, Michalinos A, Baili E, Mpoura M, Charalabopoulos A, Manatakis DK, Balalis D, Bolger J, Baban C, Mastrosimone A, McAnena O, Quinn A, Súilleabháin CBÓ, Hennessy MM, Ivanovski I, Khizer H, Ravi N, Donlon N, Cervellera M, Vaccari S, Bianchini S, Sartarelli L, Asti E, Bernardi D, Merigliano S, Provenzano L, Scarpa M, Saadeh L, Salmaso B, De Manzoni G, Giacopuzzi S, La Mendola R, De Pasqual CA, Tsubosa Y, Niihara M, Irino T, Makuuchi R, Ishii K, Mwachiro M, Fekadu A, Odera A, Mwachiro E, AlShehab D, Ahmed HA, Shebani AO, Elhadi A, Elnagar FA, Elnagar HF, Makkai-Popa ST, Wong LF, Yunrong T, Thanninalai S, Aik HC, Soon PW, Huei TJ, Basave HNL, Cortés-González R, Lagarde SM, van Lanschot JJB, Cords C, Jansen WA, Martijnse I, Matthijsen R, Bouwense S, Klarenbeek B, Verstegen M, van Workum F, Ruurda JP, van der Veen A, van den Berg JW, Evenett N, Johnston P, Patel R, MacCormick A, Young M, Smith B, Ekwunife C, Memon AH, Shaikh K, Wajid A, Khalil N, Haris M, Mirza ZU, Qudus SBA, Sarwar MZ, Shehzadi A, Raza A, Jhanzaib MH, Farmanali J, Zakir Z, Shakeel O, Nasir I, Khattak S, Baig M, Noor MA, Ahmed HH, Naeem A, Pinho AC, da Silva R, Matos H, Braga T, Monteiro C, Ramos P, Cabral F, Gomes MP, Martins PC, Correia AM, Videira JF, Ciuce C, Drasovean R, Apostu R, Ciuce C, Paitici S, Racu AE, Obleaga CV, Beuran M, Stoica B, Ciubotaru C, Negoita V, Cordos I, Birla RD, Predescu D, Hoara PA, Tomsa R, Shneider V, Agasiev M, Ganjara I, Gunjić D, Veselinović M, Babič T, Chin TS, Shabbir A, Kim G, Crnjac A, Samo H, Díez del Val I, Leturio S, Díez del Val I, Leturio S, Ramón JM, Dal Cero M, Rifá S, Rico M, Pagan Pomar A, Martinez Corcoles JA, Rodicio Miravalles JL, Pais SA, Turienzo SA, Alvarez LS, Campos PV, Rendo AG, García SS, Santos EPG, Martínez ET, Fernández Díaz MJ, Magadán Álvarez C, Concepción Martín V, Díaz López C, Rosat Rodrigo A, Pérez Sánchez LE, Bailón Cuadrado M, Tinoco Carrasco C, Choolani Bhojwani E, Sánchez DP, Ahmed ME, Dzhendov T, Lindberg F, Rutegård M, Sundbom M, Mickael C, Colucci N, Schnider A, Er S, Kurnaz E, Turkyilmaz S, Turkyilmaz A, Yildirim R, Baki BE, Akkapulu N, Karahan O, Damburaci N, Hardwick R, Safranek P, Sujendran V, Bennett J, Afzal Z, Shrotri M, Chan B, Exarchou K, Gilbert T, Amalesh T, Mukherjee D, Mukherjee S, Wiggins TH, Kennedy R, McCain S, Harris A, Dobson G, Davies N, Wilson I, Mayo D, Bennett D, Young R, Manby P, Blencowe N, Schiller M, Byrne B, Mitton D, Wong V, Elshaer A, Cowen M, Menon V, Tan LC, McLaughlin E, Koshy R, Sharp C, Brewer H, Das N, Cox M, Al Khyatt W, Worku D, Iqbal R, Walls L, McGregor R, Fullarton G, Macdonald A, MacKay C, Craig C, Dwerryhouse S, Hornby S, Jaunoo S, Wadley M, Baker C, Saad M, Kelly M, Davies A, Di Maggio F, McKay S, Mistry P, Singhal R, Tucker O, Kapoulas S, Powell-Brett S, Davis P, Bromley G, Watson L, Verma R, Ward J, Shetty V, Ball C, Pursnani K, Sarela A, Sue Ling H, Mehta S, Hayden J, To N, Palser T, Hunter D, Supramaniam K, Butt Z, Ahmed A, Kumar S, Chaudry A, Moussa O, Kordzadeh A, Lorenzi B, Wilson M, Patil P, Noaman I, Willem J, Bouras G, Evans R, Singh M, Warrilow H, Ahmad A, Tewari N, Yanni F, Couch J, Theophilidou E, Reilly JJ, Singh P, van Boxel G, Akbari K, Zanotti D, Sgromo B, Sanders G, Wheatley T, Ariyarathenam A, Reece-Smith A, Humphreys L, Choh C, Carter N, Knight B, Pucher P, Athanasiou A, Mohamed I, Tan B, Abdulrahman M, Vickers J, Akhtar K, Chaparala R, Brown R, Alasmar MMA, Ackroyd R, Patel K, Tamhankar A, Wyman A, Walker R, Grace B, Abbassi N, Slim N, Ioannidi L, Blackshaw G, Havard T, Escofet X, Powell A, Owera A, Rashid F, Jambulingam P, Padickakudi J, Ben-Younes H, McCormack K, Makey IA, Karush MK, Seder CW, Liptay MJ, Chmielewski G, Rosato EL, Berger AC, Zheng R, Okolo E, Singh A, Scott CD, Weyant MJ, Mitchell JD. Postoperative outcomes in oesophagectomy with trainee involvement. BJS Open 2021; 5:zrab132. [PMID: 35038327 PMCID: PMC8763367 DOI: 10.1093/bjsopen/zrab132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 11/15/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The complexity of oesophageal surgery and the significant risk of morbidity necessitates that oesophagectomy is predominantly performed by a consultant surgeon, or a senior trainee under their supervision. The aim of this study was to determine the impact of trainee involvement in oesophagectomy on postoperative outcomes in an international multicentre setting. METHODS Data from the multicentre Oesophago-Gastric Anastomosis Study Group (OGAA) cohort study were analysed, which comprised prospectively collected data from patients undergoing oesophagectomy for oesophageal cancer between April 2018 and December 2018. Procedures were grouped by the level of trainee involvement, and univariable and multivariable analyses were performed to compare patient outcomes across groups. RESULTS Of 2232 oesophagectomies from 137 centres in 41 countries, trainees were involved in 29.1 per cent of them (n = 650), performing only the abdominal phase in 230, only the chest and/or neck phases in 130, and all phases in 315 procedures. For procedures with a chest anastomosis, those with trainee involvement had similar 90-day mortality, complication and reoperation rates to consultant-performed oesophagectomies (P = 0.451, P = 0.318, and P = 0.382, respectively), while anastomotic leak rates were significantly lower in the trainee groups (P = 0.030). Procedures with a neck anastomosis had equivalent complication, anastomotic leak, and reoperation rates (P = 0.150, P = 0.430, and P = 0.632, respectively) in trainee-involved versus consultant-performed oesophagectomies, with significantly lower 90-day mortality in the trainee groups (P = 0.005). CONCLUSION Trainee involvement was not found to be associated with significantly inferior postoperative outcomes for selected patients undergoing oesophagectomy. The results support continued supervised trainee involvement in oesophageal cancer surgery.
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Raz Kfir El N, Ilizirov E, Feinmesser L, Gonzalez F, Haimovich S. Rpoc Removal Hysteroscopy: See-and-Treat without Anesthesia Vs. Operating Room Under Anesthesia. J Minim Invasive Gynecol 2021. [DOI: 10.1016/j.jmig.2021.09.262] [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: 11/16/2022]
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Pereira AR, Cale R, Ferreira F, Alegria S, Morgado G, Martins AC, Ferreira M, Gomes A, Judas T, Gonzalez F, Lohmann C, Repolho D, Santos P, Loureiro MJ, Pereira H. One-year follow-up of continuous aspiration mechanical thrombectomy for the management of intermediate-high and high-risk pulmonary embolism: what is the line between utility and futility? Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1922] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Introduction
Percutaneous catheter-directed treatments have emerged at the last decade for the management of acute high- or intermediate-high-risk pulmonary embolism (PE). Good short-term efficacy and safety have been published, but there are limited data regarding medium- to long-term outcomes.
Purpose
This study aimed to evaluate 1-year all-cause mortality of acute high- and intermediate-high-risk PE patients (pts) treated with continuous aspiration mechanical thrombectomy.
Methods
Twenty-nine consecutive pts with acute central PE (mean age 67.2±14.4 years; 72.4% female; 24.1% active cancer; Charlson comorbidity index 4.5±2.1; 82.8% in class>III of original PESI score; 44.8% high-risk PE) were treated with the Indigo Mechanical Thrombectomy System (Penumbra, Inc) between 03/2018 and 03/2020. Clinical success was defined as improvement in hemodynamic and/or oxygenation parameters or pulmonary hypertension or right heart strain at 48 hours after intervention plus survival to hospital discharge. Data regarding severe adverse events potentially related to the procedure, in-hospital and 1-year all-cause mortality were collected.
Results
Clinical success was 75.9%, with a significant improvement in mean paO2/fiO2 ratio (+77.1±103.2; p<0.01), shock index (−0.4±0.4, p<0.01), need for aminergic support (−75.0%, p<0.01), right ventricular function (66.6%, p<0.01) and systolic pulmonary arterial pressure (−10.2±11.5mmHg, p<0.01) at 48 hours after procedure. In-hospital survival rate was 82.8% but severe adverse events potentially related to the procedure occurred in 3 pts (10.3%). One-year follow-up was completed in 93.1% of cases and all-cause mortality rate was 34.5% (n=10 of which half occurred during the index hospital stay). Higher scores of Charlson comorbidity index (5.8±1.9 vs 3.7±1.9, p=0.01) and de novo atrial fibrillation at admission (40% vs 0%, p<0.01) were associated with higher 1-year all-cause mortality occurrence and were identified as 2 independent risk predictors by multivariate Cox regression. Kaplan-Meier curves confirmed its significant influence in 1-year survival free of adverse event (Figure). Time among diagnosis and percutaneous treatment (p=0.99), PESI score (p=0.24) and other clinical, haemodynamic and echocardiographic features did not influence mortality and suggest similarity of the PE severity at baseline. Technical characteristics were also not associated with mortality.
Conclusions
Aspiration thrombectomy for acute high- and intermediate-high-risk PE was feasible with a high clinical success rate. One-year all-cause mortality rate was elevated and predicted by high comorbidity index and de novo atrial fibrillation at admission. This data support the national expansion of this new PE treatment, but probably and as similar to other invasive techniques, we need to take into account comorbidities and avoid futility in multimorbidity pts.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- A R Pereira
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
| | - R Cale
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
| | - F Ferreira
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
| | - S Alegria
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
| | - G Morgado
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
| | - A C Martins
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
| | - M Ferreira
- Hospital Garcia de Orta, Internal Medicine, Almada, Portugal
| | - A Gomes
- Hospital Garcia de Orta, Internal Medicine, Almada, Portugal
| | - T Judas
- Hospital Garcia de Orta, Internal Medicine, Almada, Portugal
| | - F Gonzalez
- Hospital Garcia de Orta, Intensive Medicine, Almada, Portugal
| | - C Lohmann
- Hospital Garcia de Orta, Intensive Medicine, Almada, Portugal
| | - D Repolho
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
| | - P Santos
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
| | - M J Loureiro
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
| | - H Pereira
- Hospital Garcia de Orta, Cardiology, Almada, Portugal
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Toffart AC, Gonzalez F, Pierret T, Gobbini E, Terzi N, Moro-Sibilot D, Darrason M. Quels malades peuvent et doivent aller en réanimation ? Revue des Maladies Respiratoires Actualités 2021; 13:2S244-2S251. [PMID: 34659596 PMCID: PMC8512108 DOI: 10.1016/s1877-1203(21)00116-6] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- A.-C. Toffart
- UM Oncologie Thoracique, Service Hospitalo-Universitaire de Pneumologie et Physiologie, Pôle Thorax et Vaisseaux, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
- Université Grenoble 1 U 823-Institut pour l’Avancée des Biosciences-Université Grenoble Alpes, Grenoble, France
- Auteur correspondant. Adresse e-mail : (A.-C. Toffart)
| | - F. Gonzalez
- Unité de réanimation, Département Anesthésie-Réanimation, Institut Paoli Calmettes, Marseille, France
| | - T. Pierret
- UM Oncologie Thoracique, Service Hospitalo-Universitaire de Pneumologie et Physiologie, Pôle Thorax et Vaisseaux, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
| | - E. Gobbini
- UM Oncologie Thoracique, Service Hospitalo-Universitaire de Pneumologie et Physiologie, Pôle Thorax et Vaisseaux, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
| | - N. Terzi
- UM Médecine Intensive Réanimation, Pôle Urgences Médecine Aiguë, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
| | - D. Moro-Sibilot
- UM Oncologie Thoracique, Service Hospitalo-Universitaire de Pneumologie et Physiologie, Pôle Thorax et Vaisseaux, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
- Université Grenoble 1 U 823-Institut pour l’Avancée des Biosciences-Université Grenoble Alpes, Grenoble, France
| | - M. Darrason
- Service de Pneumologie aigue spécialisée et cancérologie thoracique, Centre Hospitalier Lyon Sud, Lyon, France
- Institut de Recherches Philosophiques de Lyon, Université Lyon 3, Lyon, France
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Santos G, Gonzalez F, Ortiz D, Saiz JM, Losurdo M, Moreno F, Gutierrez Y. Dynamic reflective color pixels based on molybdenum oxide. Opt Express 2021; 29:19417-19426. [PMID: 34266051 DOI: 10.1364/oe.424763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 05/18/2021] [Indexed: 06/13/2023]
Abstract
Active materials which show phase transitions, usually known as Phase Change Materials (PCM), have paved the way to a new generation of reconfigurable plasmonic platforms. Tunable color devices have experienced a great development in the recent years. In particular, reflective color filters can take advantage from sunlight to select and reflect a specific resonant wavelength in the visible spectrum range. Reflective displays are usually structural color filters based on asymmetric Fabry-Perot cavities (AFPCs). For a fixed geometry, most of AFPCs filters generate static color, limiting their potential as tunable color devices. Dynamic color is achieved by introducing an active layer whose optical properties can be modulated by an external stimuli. In this paper, we propose AFPCs based on molybdenum oxide (MoOx, 2<x<3) to achieve switchable on/off color reflective pixels. On and off states of the pixels are controlled through the stoichiometry of the MoOx layer.
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Kamarajah S, Nepogodiev D, Bekele A, Cecconello I, Evans R, Guner A, Gossage J, Harustiak T, Hodson J, Isik A, Kidane B, Leon-Takahashi A, Mahendran H, Negoi I, Okonta K, Rosero G, Sayyed R, Singh P, Takeda F, van Hillegersberg R, Vohra R, White R, Griffiths E, Alderson D, Bundred J, Evans R, Gossage J, Griffiths E, Jefferies B, Kamarajah S, McKay S, Mohamed I, Nepogodiev D, Siaw- Acheampong K, Singh P, van Hillegersberg R, Vohra R, Wanigasooriya K, Whitehouse T, Gjata A, Moreno J, Takeda F, Kidane B, Guevara CR, Harustiak T, Bekele A, Kechagias A, Gockel I, Kennedy A, Da Roit A, Bagajevas A, Azagra J, Mahendran H, Mejía-Fernández L, Wijnhoven B, El Kafsi J, Sayyed R, Sousa M, Sampaio A, Negoi I, Blanco R, Wallner B, Schneider P, Hsu P, Isik A, Gananadha S, Wills V, Devadas M, Duong C, Talbot M, Hii M, Jacobs R, Andreollo N, Johnston B, Darling G, Isaza-Restrepo A, Rosero G, Arias- Amézquita F, Raptis D, Gaedcke J, Reim D, Izbicki J, Egberts J, Dikinis S, Kjaer D, Larsen M, Achiam M, Saarnio J, Theodorou D, Liakakos T, Korkolis D, Robb W, Collins C, Murphy T, Reynolds J, Tonini V, Migliore M, Bonavina L, Valmasoni M, Bardini R, Weindelmayer J, Terashima M, White R, Alghunaim E, Elhadi M, Leon-Takahashi A, Medina-Franco H, Lau P, Okonta K, Heisterkamp J, Rosman C, van Hillegersberg R, Beban G, Babor R, Gordon A, Rossaak J, Pal K, Qureshi A, Naqi S, Syed A, Barbosa J, Vicente C, Leite J, Freire J, Casaca R, Costa R, Scurtu R, Mogoanta S, Bolca C, Constantinoiu S, Sekhniaidze D, Bjelović M, So J, Gačevski G, Loureiro C, Pera M, Bianchi A, Moreno GM, Martín Fernández J, Trugeda Carrera M, Vallve-Bernal M, Cítores Pascual M, Elmahi S, Halldestam I, Hedberg J, Mönig S, Gutknecht S, Tez M, Guner A, Tirnaksiz M, Colak E, Sevinç B, Hindmarsh A, Khan I, Khoo D, Byrom R, Gokhale J, Wilkerson P, Jain P, Chan D, Robertson K, Iftikhar S, Skipworth R, Forshaw M, Higgs S, Gossage J, Nijjar R, Viswanath Y, Turner P, Dexter S, Boddy A, Allum W, Oglesby S, Cheong E, Beardsmore D, Vohra R, Maynard N, Berrisford R, Mercer S, Puig S, Melhado R, Kelty C, Underwood T, Dawas K, Lewis W, Al-Bahrani A, Bryce G, Thomas M, Arndt A, Palazzo F, Meguid R, Fergusson J, Beenen E, Mosse C, Salim J, Cheah S, Wright T, Cerdeira M, McQuillan P, Richardson M, Liem H, Spillane J, Yacob M, Albadawi F, Thorpe T, Dingle A, Cabalag C, Loi K, Fisher O, Ward S, Read M, Johnson M, Bassari R, Bui H, Cecconello I, Sallum R, da Rocha J, Lopes L, Tercioti V, Coelho J, Ferrer J, Buduhan G, Tan L, Srinathan S, Shea P, Yeung J, Allison F, Carroll P, Vargas-Barato F, Gonzalez F, Ortega J, Nino-Torres L, Beltrán-García T, Castilla L, Pineda M, Bastidas A, Gómez-Mayorga J, Cortés N, Cetares C, Caceres S, Duarte S, Pazdro A, Snajdauf M, Faltova H, Sevcikova M, Mortensen P, Katballe N, Ingemann T, Morten B, Kruhlikava I, Ainswort A, Stilling N, Eckardt J, Holm J, Thorsteinsson M, Siemsen M, Brandt B, Nega B, Teferra E, Tizazu A, Kauppila J, Koivukangas V, Meriläinen S, Gruetzmann R, Krautz C, Weber G, Golcher H, Emons G, Azizian A, Ebeling M, Niebisch S, Kreuser N, Albanese G, Hesse J, Volovnik L, Boecher U, Reeh M, Triantafyllou S, Schizas D, Michalinos A, Mpali E, Mpoura M, Charalabopoulos A, Manatakis D, Balalis D, Bolger J, Baban C, Mastrosimone A, McAnena O, Quinn A, Ó Súilleabháin C, Hennessy M, Ivanovski I, Khizer H, Ravi N, Donlon N, Cervellera M, Vaccari S, Bianchini S, Sartarelli L, Asti E, Bernardi D, Merigliano S, Provenzano L, Scarpa M, Saadeh L, Salmaso B, De Manzoni G, Giacopuzzi S, La Mendola R, De Pasqual C, Tsubosa Y, Niihara M, Irino T, Makuuchi R, Ishii K, Mwachiro M, Fekadu A, Odera A, Mwachiro E, AlShehab D, Ahmed H, Shebani A, Elhadi A, Elnagar F, Elnagar H, Makkai-Popa S, Wong L, Tan Y, Thannimalai S, Ho C, Pang W, Tan J, Basave H, Cortés-González R, Lagarde S, van Lanschot J, Cords C, Jansen W, Martijnse I, Matthijsen R, Bouwense S, Klarenbeek B, Verstegen M, van Workum F, Ruurda J, van der Sluis P, de Maat M, Evenett N, Johnston P, Patel R, MacCormick A, Young M, Smith B, Ekwunife C, Memon A, Shaikh K, Wajid A, Khalil N, Haris M, Mirza Z, Qudus S, Sarwar M, Shehzadi A, Raza A, Jhanzaib M, Farmanali J, Zakir Z, Shakeel O, Nasir I, Khattak S, Baig M, Noor M, Ahmed H, Naeem A, Pinho A, da Silva R, Bernardes A, Campos J, Matos H, Braga T, Monteiro C, Ramos P, Cabral F, Gomes M, Martins P, Correia A, Videira J, Ciuce C, Drasovean R, Apostu R, Ciuce C, Paitici S, Racu A, Obleaga C, Beuran M, Stoica B, Ciubotaru C, Negoita V, Cordos I, Birla R, Predescu D, Hoara P, Tomsa R, Shneider V, Agasiev M, Ganjara I, Gunjić D, Veselinović M, Babič T, Chin T, Shabbir A, Kim G, Crnjac A, Samo H, Díez del Val I, Leturio S, Ramón J, Dal Cero M, Rifá S, Rico M, Pagan Pomar A, Martinez Corcoles J, Rodicio Miravalles J, Pais S, Turienzo S, Alvarez L, Campos P, Rendo A, García S, Santos E, Martínez E, Fernández DMJ, Magadán ÁC, Concepción MV, Díaz LC, Rosat RA, Pérez SLE, Bailón CM, Tinoco CC, Choolani Bhojwani E, Sánchez D, Ahmed M, Dzhendov T, Lindberg F, Rutegård M, Sundbom M, Mickael C, Colucci N, Schnider A, Er S, Kurnaz E, Turkyilmaz S, Turkyilmaz A, Yildirim R, Baki B, Akkapulu N, Karahan O, Damburaci N, Hardwick R, Safranek P, Sujendran V, Bennett J, Afzal Z, Shrotri M, Chan B, Exarchou K, Gilbert T, Amalesh T, Mukherjee D, Mukherjee S, Wiggins T, Kennedy R, McCain S, Harris A, Dobson G, Davies N, Wilson I, Mayo D, Bennett D, Young R, Manby P, Blencowe N, Schiller M, Byrne B, Mitton D, Wong V, Elshaer A, Cowen M, Menon V, Tan L, McLaughlin E, Koshy R, Sharp C, Brewer H, Das N, Cox M, Al Khyatt W, Worku D, Iqbal R, Walls L, McGregor R, Fullarton G, Macdonald A, MacKay C, Craig C, Dwerryhouse S, Hornby S, Jaunoo S, Wadley M, Baker C, Saad M, Kelly M, Davies A, Di Maggio F, McKay S, Mistry P, Singhal R, Tucker O, Kapoulas S, Powell-Brett S, Davis P, Bromley G, Watson L, Verma R, Ward J, Shetty V, Ball C, Pursnani K, Sarela A, Sue LH, Mehta S, Hayden J, To N, Palser T, Hunter D, Supramaniam K, Butt Z, Ahmed A, Kumar S, Chaudry A, Moussa O, Kordzadeh A, Lorenzi B, Wilson M, Patil P, Noaman I, Willem J, Bouras G, Evans R, Singh M, Warrilow H, Ahmad A, Tewari N, Yanni F, Couch J, Theophilidou E, Reilly J, Singh P, van Boxel G, Akbari K, Zanotti D, Sgromo B, Sanders G, Wheatley T, Ariyarathenam A, Reece-Smith A, Humphreys L, Choh C, Carter N, Knight B, Pucher P, Athanasiou A, Mohamed I, Tan B, Abdulrahman M, Vickers J, Akhtar K, Chaparala R, Brown R, Alasmar M, Ackroyd R, Patel K, Tamhankar A, Wyman A, Walker R, Grace B, Abbassi N, Slim N, Ioannidi L, Blackshaw G, Havard T, Escofet X, Powell A, Owera A, Rashid F, Jambulingam P, Padickakudi J, Ben-Younes H, Mccormack K, Makey I, Karush M, Seder C, Liptay M, Chmielewski G, Rosato E, Berger A, Zheng R, Okolo E, Singh A, Scott C, Weyant M, Mitchell J. Mortality from esophagectomy for esophageal cancer across low, middle, and high-income countries: An international cohort study. Eur J Surg Oncol 2021; 47:1481-1488. [PMID: 33451919 DOI: 10.1016/j.ejso.2020.12.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 12/09/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND No evidence currently exists characterising global outcomes following major cancer surgery, including esophageal cancer. Therefore, this study aimed to characterise impact of high income countries (HIC) versus low and middle income countries (LMIC) on the outcomes following esophagectomy for esophageal cancer. METHOD This international multi-center prospective study across 137 hospitals in 41 countries included patients who underwent an esophagectomy for esophageal cancer, with 90-day follow-up. The main explanatory variable was country income, defined according to the World Bank Data classification. The primary outcome was 90-day postoperative mortality, and secondary outcomes were composite leaks (anastomotic leak or conduit necrosis) and major complications (Clavien-Dindo Grade III - V). Multivariable generalized estimating equation models were used to produce adjusted odds ratios (ORs) and 95% confidence intervals (CI95%). RESULTS Between April 2018 to December 2018, 2247 patients were included. Patients from HIC were more significantly older, with higher ASA grade, and more advanced tumors. Patients from LMIC had almost three-fold increase in 90-day mortality, compared to HIC (9.4% vs 3.7%, p < 0.001). On adjusted analysis, LMIC were independently associated with higher 90-day mortality (OR: 2.31, CI95%: 1.17-4.55, p = 0.015). However, LMIC were not independently associated with higher rates of anastomotic leaks (OR: 1.06, CI95%: 0.57-1.99, p = 0.9) or major complications (OR: 0.85, CI95%: 0.54-1.32, p = 0.5), compared to HIC. CONCLUSION Resections in LMIC were independently associated with higher 90-day postoperative mortality, likely reflecting a failure to rescue of these patients following esophagectomy, despite similar composite anastomotic leaks and major complication rates to HIC. These findings warrant further research, to identify potential issues and solutions to improve global outcomes following esophagectomy for cancer.
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Fergusson J, Beenen E, Mosse C, Salim J, Cheah S, Wright T, Cerdeira MP, McQuillan P, Richardson M, Liem H, Spillane J, Yacob M, Albadawi F, Thorpe T, Dingle A, Cabalag C, Loi K, Fisher OM, Ward S, Read M, Johnson M, Bassari R, Bui H, Cecconello I, Sallum RAA, da Rocha JRM, Lopes LR, Tercioti V, Coelho JDS, Ferrer JAP, Buduhan G, Tan L, Srinathan S, Shea P, Yeung J, Allison F, Carroll P, Vargas-Barato F, Gonzalez F, Ortega J, Nino-Torres L, Beltrán-García TC, Castilla L, Pineda M, Bastidas A, Gómez-Mayorga J, Cortés N, Cetares C, Caceres S, Duarte S, Pazdro A, Snajdauf M, Faltova H, Sevcikova M, Mortensen PB, Katballe N, Ingemann T, Morten B, Kruhlikava I, Ainswort AP, Stilling NM, Eckardt J, Holm J, Thorsteinsson M, Siemsen M, Brandt B, Nega B, Teferra E, Tizazu A, Kauppila JS, Koivukangas V, Meriläinen S, Gruetzmann R, Krautz C, Weber G, Golcher H, Emons G, Azizian A, Ebeling M, Niebisch S, Kreuser N, Albanese G, Hesse J, Volovnik L, Boecher U, Reeh M, Triantafyllou S, Schizas D, Michalinos A, Mpali E, Mpoura M, Charalabopoulos A, Manatakis DK, Balalis D, Bolger J, Baban C, Mastrosimone A, McAnena O, Quinn A, Ó Súilleabháin CB, Hennessy MM, Ivanovski I, Khizer H, Ravi N, Donlon N, Cervellera M, Vaccari S, Bianchini S, Sartarelli L, Asti E, Bernardi D, Merigliano S, Provenzano L, Scarpa M, Saadeh L, Salmaso B, De Manzoni G, Giacopuzzi S, La Mendola R, De Pasqual CA, Tsubosa Y, Niihara M, Irino T, Makuuchi R, Ishii K, Mwachiro M, Fekadu A, Odera A, Mwachiro E, AlShehab D, Ahmed HA, Shebani AO, Elhadi A, Elnagar FA, Elnagar HF, Makkai-Popa ST, Wong LF, Yunrong T, Thanninalai S, Aik HC, Soon PW, Huei TJ, Basave HNL, Cortés-González R, Lagarde SM, van Lanschot JJB, Cords C, Jansen WA, Martijnse I, Matthijsen R, Bouwense S, Klarenbeek B, Verstegen M, van Workum F, Ruurda JP, van der Sluis PC, de Maat M, Evenett N, Johnston P, Patel R, MacCormick A, Young M, Smith B, Ekwunife C, Memon AH, Shaikh K, Wajid A, Khalil N, Haris M, Mirza ZU, Qudus SBA, Sarwar MZ, Shehzadi A, Raza A, Jhanzaib MH, Farmanali J, Zakir Z, Shakeel O, Nasir I, Khattak S, Baig M, Noor MA, Ahmed HH, Naeem A, Pinho AC, da Silva R, Matos H, Braga T, Monteiro C, Ramos P, Cabral F, Gomes MP, Martins PC, Correia AM, Videira JF, Ciuce C, Drasovean R, Apostu R, Ciuce C, Paitici S, Racu AE, Obleaga CV, Beuran M, Stoica B, Ciubotaru C, Negoita V, Cordos I, Birla RD, Predescu D, Hoara PA, Tomsa R, Shneider V, Agasiev M, Ganjara I, Gunjic´ D, Veselinovic´ M, Babič T, Chin TS, Shabbir A, Kim G, Crnjac A, Samo H, Díez del Val I, Leturio S, Díez del Val I, Leturio S, Ramón JM, Dal Cero M, Rifá S, Rico M, Pagan Pomar A, Martinez Corcoles JA, Rodicio Miravalles JL, Pais SA, Turienzo SA, Alvarez LS, Campos PV, Rendo AG, García SS, Santos EPG, Martínez ET, Fernández Díaz MJ, Magadán Álvarez C, Concepción Martín V, Díaz López C, Rosat Rodrigo A, Pérez Sánchez LE, Bailón Cuadrado M, Tinoco Carrasco C, Choolani Bhojwani E, Sánchez DP, Ahmed ME, Dzhendov T, Lindberg F, Rutegård M, Sundbom M, Mickael C, Colucci N, Schnider A, Er S, Kurnaz E, Turkyilmaz S, Turkyilmaz A, Yildirim R, Baki BE, Akkapulu N, Karahan O, Damburaci N, Hardwick R, Safranek P, Sujendran V, Bennett J, Afzal Z, Shrotri M, Chan B, Exarchou K, Gilbert T, Amalesh T, Mukherjee D, Mukherjee S, Wiggins TH, Kennedy R, McCain S, Harris A, Dobson G, Davies N, Wilson I, Mayo D, Bennett D, Young R, Manby P, Blencowe N, Schiller M, Byrne B, Mitton D, Wong V, Elshaer A, Cowen M, Menon V, Tan LC, McLaughlin E, Koshy R, Sharp C, Brewer H, Das N, Cox M, Al Khyatt W, Worku D, Iqbal R, Walls L, McGregor R, Fullarton G, Macdonald A, MacKay C, Craig C, Dwerryhouse S, Hornby S, Jaunoo S, Wadley M, Baker C, Saad M, Kelly M, Davies A, Di Maggio F, McKay S, Mistry P, Singhal R, Tucker O, Kapoulas S, Powell-Brett S, Davis P, Bromley G, Watson L, Verma R, Ward J, Shetty V, Ball C, Pursnani K, Sarela A, Sue Ling H, Mehta S, Hayden J, To N, Palser T, Hunter D, Supramaniam K, Butt Z, Ahmed A, Kumar S, Chaudry A, Moussa O, Kordzadeh A, Lorenzi B, Willem J, Bouras G, Evans R, Singh M, Warrilow H, Ahmad A, Tewari N, Yanni F, Couch J, Theophilidou E, Reilly JJ, Singh P, van Boxel G, Akbari K, Zanotti D, Sgromo B, Sanders G, Wheatley T, Ariyarathenam A, Reece-Smith A, Humphreys L, Choh C, Carter N, Knight B, Pucher P, Athanasiou A, Mohamed I, Tan B, Abdulrahman M, Vickers J, Akhtar K, Chaparala R, Brown R, Alasmar MMA, Ackroyd R, Patel K, Tamhankar A, Wyman A, Walker R, Grace B, Abbassi N, Slim N, Ioannidi L, Blackshaw G, Havard T, Escofet X, Powell A, Owera A, Rashid F, Jambulingam P, Padickakudi J, Ben-Younes H, Mccormack K, Makey IA, Karush MK, Seder CW, Liptay MJ, Chmielewski G, Rosato EL, Berger AC, Zheng R, Okolo E, Singh A, Scott CD, Weyant MJ, Mitchell JD. Comparison of short-term outcomes from the International Oesophago-Gastric Anastomosis Audit (OGAA), the Esophagectomy Complications Consensus Group (ECCG), and the Dutch Upper Gastrointestinal Cancer Audit (DUCA). BJS Open 2021; 5:zrab010. [PMID: 35179183 PMCID: PMC8140199 DOI: 10.1093/bjsopen/zrab010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 01/27/2021] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND The Esophagectomy Complications Consensus Group (ECCG) and the Dutch Upper Gastrointestinal Cancer Audit (DUCA) have set standards in reporting outcomes after oesophagectomy. Reporting outcomes from selected high-volume centres or centralized national cancer programmes may not, however, be reflective of the true global prevalence of complications. This study aimed to compare complication rates after oesophagectomy from these existing sources with those of an unselected international cohort from the Oesophago-Gastric Anastomosis Audit (OGAA). METHODS The OGAA was a prospective multicentre cohort study coordinated by the West Midlands Research Collaborative, and included patients undergoing oesophagectomy for oesophageal cancer between April and December 2018, with 90 days of follow-up. RESULTS The OGAA study included 2247 oesophagectomies across 137 hospitals in 41 countries. Comparisons with the ECCG and DUCA found differences in baseline demographics between the three cohorts, including age, ASA grade, and rates of chronic pulmonary disease. The OGAA had the lowest rates of neoadjuvant treatment (OGAA 75.1 per cent, ECCG 78.9 per cent, DUCA 93.5 per cent; P < 0.001). DUCA exhibited the highest rates of minimally invasive surgery (OGAA 57.2 per cent, ECCG 47.9 per cent, DUCA 85.8 per cent; P < 0.001). Overall complication rates were similar in the three cohorts (OGAA 63.6 per cent, ECCG 59.0 per cent, DUCA 62.2 per cent), with no statistically significant difference in Clavien-Dindo grades (P = 0.752). However, a significant difference in 30-day mortality was observed, with DUCA reporting the lowest rate (OGAA 3.2 per cent, ECCG 2.4 per cent, DUCA 1.7 per cent; P = 0.013). CONCLUSION Despite differences in rates of co-morbidities, oncological treatment strategies, and access to minimal-access surgery, overall complication rates were similar in the three cohorts.
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Bondan C, Folchini J, Guimarães L, Noro M, Zanella R, Alves LP, Fontaneli R, Gonzalez F. Milk yield and composition in dairy cows with post-partum disorders. ARQ BRAS MED VET ZOO 2021. [DOI: 10.1590/1678-4162-12095] [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: 11/22/2022] Open
Abstract
ABSTRACT This study aimed to determine the impact of different post-partum disorders on milk yield and composition. One hundred and fifteen Holstein cows from a commercial dairy farm located in the state of Rio Grande do Sul in southern Brazil were monitored up to 62 days post-partum. During this period, body condition score evaluation and animal clinical examination were conducted. Percentages of fat, protein, and lactose, as well as somatic cells score, were determined in milk samples. The AST activity and concentrations of NEFA, calcium, and BHBA, were analyzed in blood samples. The occurrence of clinical disorders was identified in 30 (26%) cows. Subclinical disorders were identified in 64 (56%) cows. Only 21 (18%) cows did not suffer any kind of disorder within the studied period. In this study, no significant differences were found in milk production, protein, and somatic cell count in clinical, subclinical, and healthy cows. Milk fat and the fat: protein quotient (F:P) were higher in cows with clinical disorders and the 6 to 21 days in milk, and lactose were lower in cows with clinical disorders and the 22 to 42 days in milk (P<0.05).
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Affiliation(s)
| | | | | | - M. Noro
- Universidade Federal do Pampa, Brazil
| | | | | | | | - F. Gonzalez
- Universidade Federal do Rio Grande do Sul, Brazil
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Tandjaoui-Lambiotte Y, Gonzalez F, Boubaya M, Freynet O, Clec H C, Bonnet N, Van Der Meersch G, Oziel J, Huang C, Uzunhan Y, Brillet PY, Poirson F, Martin O, Ahmed P, Ebstein N, Karoubi P, Gaudry S, Nunes H, Cohen Y. Two-year follow-up of 196 interstitial lung disease patients after ICU stay. Int J Tuberc Lung Dis 2021; 25:199-205. [PMID: 33688808 DOI: 10.5588/ijtld.20.0706] [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: 11/10/2022] Open
Abstract
OBJECTIVE: Interstitial lung diseases (ILDs) are associated with poor prognosis in the intensive care unit (ICU). We aimed to assess factors associated with hospital mortality in ILD patients admitted to the ICU and to investigate long-term outcome.MATERIAL AND METHODS: This was a retrospective study in a teaching hospital specialised in ILD management. Patients with ILD who were hospitalised in the ICU between 2000 and 2014 were included. Independent predictors of hospital mortality were identified using logistic regression.RESULTS: A total of 196 ILD patients were admitted to the ICU during the study period. Overall hospital mortality was 55%. Two years after ICU admission, 70 (36%) patients were still alive. Of the 196 patients, 108 (55%) required invasive mechanical ventilation, of whom 21 (20%) were discharged alive from hospital. Acute exacerbation of ILD and multi-organ failure were highly associated with hospital mortality (OR 5.4, 95% CI 1.9-15.5 and OR 12.6, 95% CI 4.9-32.5, respectively).CONCLUSION: Hospital mortality among ILD patients hospitalised in the ICU was high, but even where invasive mechanical ventilation was required, a substantial number of patients were discharged alive from hospital. Multi-organ failure could lead to major ethical concerns.
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Affiliation(s)
- Y Tandjaoui-Lambiotte
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny, Institut national de la santé et de la recherche médicale (INSERM) Hypoxie & Poumon, Bobigny
| | - F Gonzalez
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny
| | - M Boubaya
- Unité de Recherche Clinique, Hôpital Avicenne, Bobigny
| | - O Freynet
- Service de Pneumologie, Hôpital Avicenne, Bobigny
| | - C Clec H
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny
| | - N Bonnet
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny, Université Paris XIII, Sorbonne Paris Cité, Paris
| | - G Van Der Meersch
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny
| | - J Oziel
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny
| | - C Huang
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny
| | - Y Uzunhan
- Institut national de la santé et de la recherche médicale (INSERM) Hypoxie & Poumon, Bobigny, Service de Pneumologie, Hôpital Avicenne, Bobigny, Université Paris XIII, Sorbonne Paris Cité, Paris
| | - P-Y Brillet
- Université Paris XIII, Sorbonne Paris Cité, Paris, Service de Radiologie, Hôpital Avicenne, Bobigny
| | - F Poirson
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny
| | - O Martin
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny, Université Paris XIII, Sorbonne Paris Cité, Paris
| | - P Ahmed
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny
| | - N Ebstein
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny, Université Paris XIII, Sorbonne Paris Cité, Paris
| | - P Karoubi
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny
| | - S Gaudry
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny, Université Paris XIII, Sorbonne Paris Cité, Paris, Unité mixte de Recherche S1155, Remodeling and Repair of Renal Tissue, INSERM, Hôpital Tenon, F-75020, Paris
| | - H Nunes
- Institut national de la santé et de la recherche médicale (INSERM) Hypoxie & Poumon, Bobigny, Service de Pneumologie, Hôpital Avicenne, Bobigny, Université Paris XIII, Sorbonne Paris Cité, Paris
| | - Y Cohen
- Service de Réanimation Médico-Chirurgicale, Hôpital Avicenne, Assistance Publique-Hôpitaux de Paris, Bobigny, Université Paris XIII, Sorbonne Paris Cité, Paris, Unité 942, F-75010, INSERM, Paris, France
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18
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Tang Z, Watkins EB, Clayton SM, Currie SA, Fellers DE, Hassan MT, Hooks DE, Ito TM, Lawrence SK, MacDonald SWT, Makela M, Morris CL, Neukirch LP, Saunders A, O'Shaughnessy CM, Cude-Woods C, Choi JH, Young AR, Zeck BA, Gonzalez F, Liu CY, Floyd NC, Hickerson KP, Holley AT, Johnson BA, Lambert JC, Pattie RW. Ultracold neutron properties of the Eljen-299-02D deuterated scintillator. Rev Sci Instrum 2021; 92:023305. [PMID: 33648127 DOI: 10.1063/5.0030972] [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] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 01/19/2021] [Indexed: 06/12/2023]
Abstract
In this paper, we report studies of the Fermi potential and loss per bounce of ultracold neutrons (UCNs) on a deuterated scintillator (Eljen-299-02D). These UCN properties of the scintillator enable its use in a wide variety of applications in fundamental neutron research.
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Affiliation(s)
- Z Tang
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - E B Watkins
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - S M Clayton
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - S A Currie
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - D E Fellers
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - Md T Hassan
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - D E Hooks
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - T M Ito
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - S K Lawrence
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - S W T MacDonald
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - M Makela
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - C L Morris
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - L P Neukirch
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - A Saunders
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | | | - C Cude-Woods
- North Carolina State University, Raleigh, North Carolina 27695, USA
| | - J H Choi
- North Carolina State University, Raleigh, North Carolina 27695, USA
| | - A R Young
- North Carolina State University, Raleigh, North Carolina 27695, USA
| | - B A Zeck
- North Carolina State University, Raleigh, North Carolina 27695, USA
| | - F Gonzalez
- Indiana University, Bloomington, Indiana 47405, USA
| | - C Y Liu
- Indiana University, Bloomington, Indiana 47405, USA
| | - N C Floyd
- University of Kentucky, Lexington, Kentucky 40506, USA
| | - K P Hickerson
- W. K. Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California 91125, USA
| | - A T Holley
- Tennessee Technological University, Cookeville, Tennessee 38505, USA
| | - B A Johnson
- Utah State University, Logan, Utah 84322, USA
| | - J C Lambert
- Utah State University, Logan, Utah 84322, USA
| | - R W Pattie
- East Tennessee State University, Johnson City, Tennessee 37614, USA
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19
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Singer AD, Wong P, Umpierrez M, Reimer N, Gonzalez F, Reiter D, Cardona K. The accuracy of a novel sonographic scanning and reporting protocol to survey for soft tissue sarcoma local recurrence. Skeletal Radiol 2020; 49:2039-2049. [PMID: 32601734 DOI: 10.1007/s00256-020-03520-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/13/2020] [Accepted: 06/15/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This study aims to determine the accuracy of a novel ultrasonography (US) scanning and reporting protocol to detect recurrences. The secondary aim is to compare US and MRI accuracy and agreement. MATERIALS AND METHODS In this IRB-approved prospective study, consecutive patients presenting for MRI surveillance after resection were enrolled and underwent same-day US. Blinded to clinical information and the MRI, the US scanner characterized lesions using a proposed novel lexicon. Outcome was defined either by histology or a subsequent MRI scan confirming the presence or absence of recurrence. Fisher's exact test and Kappa test were performed to assess of the significance and agreement between US, MRI, and outcome. RESULTS A total of 68 US scans were performed on 55 patients. The overall accuracy to diagnose recurrence was the same for US and MRI (92.6%) while US was less sensitive (75.0% vs. 91.7%) but more specific (97.6% vs. 92.9%) than MRI. The two lesions missed by US but not MRI were an entirely intraosseous metastasis and a subcentimeter skin nodule. There was strong agreement between US and MRI with outcome (k = 0.787 and 0.801, respectively). CONCLUSIONS These pilot data suggest the accuracy of this novel US local recurrence surveillance method is comparable to MRI. A multi-institutional prospective trial would increase power and determine reproducibility.
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Affiliation(s)
- Adam Daniel Singer
- Department of Radiology and Imaging Sciences, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA.
| | - Phil Wong
- Department of Radiology and Imaging Sciences, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA
| | - Monica Umpierrez
- Department of Radiology and Imaging Sciences, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA
| | - Nickolas Reimer
- Department of Orthopedic Surgery, Emory University Hospital, Atlanta, GA, USA
| | - Felix Gonzalez
- Department of Radiology and Imaging Sciences, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA
| | - David Reiter
- Department of Radiology and Imaging Sciences, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA
| | - Kenneth Cardona
- Department of Surgery, Division of Oncology, Emory University Hospital, Atlanta, GA, USA
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20
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Singer AD, Rosenthal J, Umpierrez M, Guo Y, Gonzalez F, Wagner E. A comparison of saline and gadolinium shoulder MR arthrography to arthroscopy. Skeletal Radiol 2020; 49:625-633. [PMID: 31773187 DOI: 10.1007/s00256-019-03338-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [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: 08/23/2019] [Revised: 10/11/2019] [Accepted: 10/30/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE Compare the diagnostic performance of saline and gadolinium shoulder magnetic resonance arthrograms (MRA) in the detection of labral and rotator cuff injury compared to arthroscopy. MATERIALS AND METHODS Consecutive patients who underwent a gadolinium or saline MRA followed by arthroscopy were retrospectively reviewed. The reports were reviewed for injuries. A chi square or Fisher's exact test was performed to compare the MRA and surgery. Kappa values were calculated to correlate diagnosis of tear between MRA and arthroscopy. RESULTS There were a total of 58 patients included, including 34 gadolinium arthrograms and 24 saline arthrograms. The accuracy of saline MRA was similar compared to gadolinium MRA in the diagnosis of tears of the supraspinatus (accuracy 0.88 vs 0.74, respectively) and infraspinatus (accuracy 0.88 vs 0.65, respectively) tendons and tears of the anterior/anterior inferior, posterior, and superior labrum, (accuracy 0.79 vs 0.76, 0.71 vs 0.62, and 0.58 vs 0.56), and saline vs gadolinium, respectively. Although there was a trend toward overall better saline MRA performance, a statistically significant difference in the accuracy to detect tears was only noted for the infraspinatus tendon. Interobserver agreement for rotator cuff tears was higher for saline than gadolinium MRA. CONCLUSION Saline MRA was accurate, with no significant differences compared gadolinium arthrograms in the diagnosis of labral and rotator cuff pathology. Given expense, and the potential additional information provided by fluid sensitive sequences over T1 fat-suppressed sequences, consideration should be given to using saline for shoulder MRAs. LEVEL OF EVIDENCE Level III, Retrospective Cohort Study.
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Affiliation(s)
- Adam D Singer
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA.
| | - Jeffrey Rosenthal
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA
| | - Monica Umpierrez
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA
| | - Yi Guo
- Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, Georgia
| | - Felix Gonzalez
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA
| | - Eric Wagner
- Department of Orthopaedic Surgery, Emory University Hospital, Atlanta, Georgia
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21
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Abstract
Cryoneurolysis is the deliberate application of cold temperatures to nerves for therapeutic purposes. The idea of treating pain with this technique is thousands of years old and has evolved over time through the application of surgical techniques, nerve stimulation and/or landmark guidance, and through device development. Recent integration of the interventional radiology skill set to this space has unlocked a myriad of opportunities-primarily through a unique ability to percutaneously access deep structures in the body with accuracy and precision, and the capacity to monitor ablation zones. Understanding of the specific neurohistological process that follows targeted cryoneurolysis leads to new options for treating patients in pain without drugs and opens doors for the potential modification of a wide array of disease states.
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Affiliation(s)
- Ross W. Bittman
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia
| | - Keywan Behbahani
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia
| | - Felix Gonzalez
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia
| | - J. David Prologo
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia
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22
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Noizet-Yverneau O, Bordet F, Pillot J, Eon B, Gonzalez F, Dray S, Boyer A, Blondiaux I, Quentin B, Rolando S, Jars-Guincestre MC, Laurent A, Quenot JP, Boulain T, Soufir L, Série M, Penven G, De Saint-Blanquat L, VanderLinden T, Rigaud JP, Reignier J. Intégration de la démarche palliative à la médecine intensive-réanimation : de la théorie à la pratique. Méd Intensive Réa 2019. [DOI: 10.3166/rea-2019-0124] [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: 11/20/2022]
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23
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Singer AD, Huynh T, Wong P, Sharma GB, Gonzalez F, Umpierrez M, Schenker ML, Moore TJ. CT can stratify patients as low risk for tibial neuropathy following a talus fracture. Emerg Radiol 2019; 26:541-548. [PMID: 31286323 DOI: 10.1007/s10140-019-01706-y] [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: 05/17/2019] [Accepted: 07/02/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVE Determine the incidence of tibial neuropathy following talus fractures and CT's ability to stratify patients at risk for developing post-traumatic neuropathy. MATERIALS AND METHODS In this IRB-approved retrospective analysis, 71 talus fractures and 8 contralateral control ankle CTs were reviewed by one observer blinded to clinical information. CT evidence suggestive of tibial neurovascular bundle injury included nerve displacement, perineural fat effacement/edema, and bone touching nerve. The association between these CT findings and clinically evident tibial neuropathy was analyzed. A semi-quantitative likelihood score was assigned based on the degree of the CT findings around the nerve. Interobserver agreement was calculated between 2 other readers. RESULTS Twenty-five percent of patients in this cohort had clinical evidence of tibial neuropathy. There was a high specificity (0.87-0.93) and negative predictive value (0.83-0.87), a moderate accuracy (0.80-0.82), but a lower sensitivity (0.33-0.56) associated with the CT findings. Among the CT findings, nerve displacement (p < 0.0001) and bone touching nerve (p = 0.01) were associated with tibial neuropathy. A likelihood score of 2-5 was associated (p = 0.007-0.015) with tibial neuropathy. The presence of tibial neuropathy and nerve recovery were not associated with hospital length of stay, while CT findings were. There was substantial agreement between the three readers: likelihood scores 2+ (k = 0.78) and 3+ (k = 0.72). CONCLUSIONS Tibial neuropathy occurs following talus fractures, and CT findings may help surgeons narrow down the number of patients requiring close neurological follow-up.
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Affiliation(s)
- Adam D Singer
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA.
| | - Tony Huynh
- School of Medicine, Augusta State University, Augusta, GA, USA
| | - Phil Wong
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA
| | | | - Felix Gonzalez
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA
| | - Monica Umpierrez
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA
| | - Mara L Schenker
- Department of Orthopaedic Surgery, Emory University Hospital, Atlanta, GA, USA
| | - Thomas J Moore
- Department of Orthopaedic Surgery, Emory University Hospital, Atlanta, GA, USA
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24
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Sayyid SK, Wong PK, Read W, Monson DK, Umpierrez M, Gonzalez F, Kakarala A, Singer AD. The clincoradiologic spectrum of notochordal derived masses. Clin Imaging 2019; 56:124-134. [PMID: 31029011 DOI: 10.1016/j.clinimag.2019.04.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 04/02/2019] [Accepted: 04/10/2019] [Indexed: 10/27/2022]
Abstract
The notochord is an essential part of human development that regresses with age. Masses derived from notochordal tissue may be encountered during imaging of the neuroaxis. Fortunately, the majority of these are benign and can usually be differentiated by radiological and clinical findings. In this manuscript, we discuss the clinical and radiologic presentation of the four notochordal derived masses and present a brief overview of their management.
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Affiliation(s)
- Samia K Sayyid
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA, USA
| | - Philip K Wong
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA, USA
| | - William Read
- Department of Hematology and Oncology, Emory University Hospital, Atlanta, GA, USA
| | - David K Monson
- Department of Orthopaedic Surgery, Emory University Hospital, Atlanta, GA, USA
| | - Monica Umpierrez
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA, USA
| | - Felix Gonzalez
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA, USA
| | - Aparna Kakarala
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA, USA
| | - Adam D Singer
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA, USA.
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25
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Sayyid S, Labib S, Duwayri Y, Gonzalez F, Singer AD. Delayed intra-articular pseudoaneurysm of the dorsalis pedis artery following arthroscopic Broström results in an unusual clinical presentation. Skeletal Radiol 2019; 48:451-455. [PMID: 30014230 DOI: 10.1007/s00256-018-3025-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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: 05/23/2018] [Revised: 06/27/2018] [Accepted: 06/28/2018] [Indexed: 02/02/2023]
Abstract
Pseudoaneurysms of the dorsalis pedis artery are rare complications following arthroscopic surgery. This manuscript reports a case of an intra-articular pseudoaneurysm presenting nearly 5 months following an arthroscopic Broström procedure. The rarity of this complication and the patient's unusual clinical presentation prompted the use of imaging to diagnose the problem and guide management. Although imaging artifacts are often a nuisance, recognition of clinically relevant artifacts can help make a diagnosis. This case illustrates such a situation.
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Affiliation(s)
- Samia Sayyid
- Department of Radiology and Imaging Sciences, Division of Musculoskeletal Imaging, Emory University Hospital, Atlanta, GA, USA
| | - Sameh Labib
- Department of Orthopedics, Emory University Hospital, Atlanta, GA, USA
| | - Yazan Duwayri
- Department of Surgery, Division of Vascular Surgery and Endovascular Therapy, Emory University Hospital, Atlanta, GA, USA
| | - Felix Gonzalez
- Department of Radiology and Imaging Sciences, Division of Musculoskeletal Imaging, Emory University Hospital, Atlanta, GA, USA
| | - Adam Daniel Singer
- Department of Radiology and Imaging Sciences, Division of Musculoskeletal Imaging, Emory University Hospital, Atlanta, GA, USA. .,Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA.
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26
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Campo-Caballero D, Munoz-Lopetegi A, Fernandez-Garcia de Eulate G, Rodriguez-Antiguedad J, Gabilondo A, Gonzalez F, Villanua J, Lopez de Munain A. [Extensive encephalomyelitis due to Borrelia: an atypical form of neuroborreliosis]. Rev Neurol 2019; 68:169-170. [PMID: 30741404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Affiliation(s)
| | | | | | | | - A Gabilondo
- Hospital del Bidasoa, Irun, Espana
- Hospital Universitario Donostia, San Sebastian, Espana
| | - F Gonzalez
- Hospital Universitario Donostia, San Sebastian, Espana
| | - J Villanua
- Hospital Universitario Donostia, San Sebastian, Espana
| | - A Lopez de Munain
- Hospital Universitario Donostia, San Sebastian, Espana
- Instituto Biodonostia, San Sebastian, Espana
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27
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Singer AD, Younan Y, Saadat V, Umpierrez M, Kesner V, Boulis N, Gonzalez F, Subhawong TK. Performance of an Interactive Upper Extremity Peripheral Nerve Training Module Among Medical Students, Radiology Residents, and Fellows: A Multi-institutional Study. Curr Probl Diagn Radiol 2019; 49:7-11. [PMID: 30639073 DOI: 10.1067/j.cpradiol.2018.12.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 12/27/2018] [Accepted: 12/31/2018] [Indexed: 12/27/2022]
Abstract
BACKGROUND AND PURPOSE Chronic pain is a common problem and imaging is becoming increasingly utilized in the characterization of peripheral neuropathy, although this topic is not emphasized during medical training. We hypothesized that an electronic module and nerve atlas would be effective in improving comprehension among trainees. MATERIALS AND METHODS In this IRB-approved study, a training module was created that included a side-by-side comparison of normal upper extremity nerves on magnetic resonance imaging and ultrasound (US), with embedded questions and cases, followed by a brief hands-on US scanning session. Thirty volunteers with variable training were enrolled in 1 institution, while 14 volunteers were enrolled in another. Pre- and post-test scores were collected and compared. RESULTS There was a response rate of 100% at both institutions. At the first institution, subjects were divided into 2 groups: group 1 (16 medical students) and group 2 (14 residents/fellows). There was a baseline deficit of knowledge among both groups, with a mean pretest score of 37.5% and 47.5% for group 1 and group 2, respectively (P = 0.017). After module completion, both groups improved with a mean post-test score of 67.2% for group 1 and 76.1% for group 2. At the second institution, there was similar improvement even if the scanning session was not done. CONCLUSIONS Use of an electronic module helps trainees to become more familiar with peripheral nerve imaging, regardless of level of training. Use of the module, even in the absence of hands-on US scanning, results in an improved understanding of this topic.
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Affiliation(s)
- Adam Daniel Singer
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA.
| | - Yara Younan
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA
| | - Vandad Saadat
- Department of Radiology, University of Miami, Miami, FL
| | - Monica Umpierrez
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA
| | - Vita Kesner
- Department of Neurology, Emory University Hospital, Atlanta, GA
| | - Nicholas Boulis
- Department of Neurosurgery, Emory University Hospital, Atlanta, GA
| | - Felix Gonzalez
- Department of Radiology and Imaging Sciences, Emory University Hospital, Atlanta, GA
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28
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Pattie R, Callahan N, Cude-Woods C, Adamek E, Adams M, Barlow D, Blatnik M, D. B, Broussard L, Clayton S, Currie S, Dees E, Ding X, Fellers D, Fox W, Fries E, Gonzalez F, Geltenbort P, Hickerson K, Hoffbauer M, Hoffman K, Holley A, Howard D, Ito T, Komives A, Liu C, M. M, Medina J, Morley D, Morris C, O'Connor T, Penttilä S, Ramsey J, Roberts A, Salvat D, Saunders A, Seestrom S, Sharapov E, Sjue S, Snow W, Sprow A, Vanderwerp J, Vogelaar B, P.L. W, Wang Z, Weaver H, Wexler J, Womack T, Young A, Zeck B. Status of the UCN τ experiment. EPJ Web Conf 2019. [DOI: 10.1051/epjconf/201921903004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The neutron is the simplest nuclear system that can be used to probe the structure of the weak interaction and search for physics beyond the standard model. Measurements of neutron lifetime and β-decay correlation coefficients with precisions of 0.02% and 0.1%, respectively, would allow for stringent constraints on new physics. The UCNτ experiment uses an asymmetric magneto-gravitational UCN trap with in situ counting of surviving neutrons to measure the neutron lifetime, τn = 877.7s (0.7s)stat (+0.4/−0.2s)sys. We discuss the recent result from UCNτ, the status of ongoing data collection and analysis, and the path toward a 0.25 s measurement of the neutron lifetime with UCNτ.
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29
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Delva P, Puchades N, Schönemann E, Dilssner F, Courde C, Bertone S, Gonzalez F, Hees A, Le Poncin-Lafitte C, Meynadier F, Prieto-Cerdeira R, Sohet B, Ventura-Traveset J, Wolf P. Gravitational Redshift Test Using Eccentric Galileo Satellites. Phys Rev Lett 2018; 121:231101. [PMID: 30576203 DOI: 10.1103/physrevlett.121.231101] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 07/16/2018] [Indexed: 06/09/2023]
Abstract
We report on a new test of the gravitational redshift and thus of local position invariance, an integral part of the Einstein equivalence principle, which is the foundation of general relativity and all metric theories of gravitation. We use data spanning 1008 days from two satellites of Galileo, Europe's global satellite navigation system, which were launched in 2014, but accidentally delivered on elliptic rather than circular orbits. The resulting modulation of the gravitational redshift of the onboard atomic clocks allows the redshift determination with high accuracy. Additionally, specific laser ranging campaigns to the two satellites have enabled a good estimation of systematic effects related to orbit uncertainties. Together with a careful conservative modeling and control of other systematic effects we measure the fractional deviation of the gravitational redshift from the prediction by general relativity to be (0.19±2.48)×10^{-5} at 1 sigma, improving the best previous test by a factor 5.6. To our knowledge, this represents the first reported improvement on one of the longest standing results in experimental gravitation, the Gravity Probe A hydrogen maser rocket experiment back in 1976.
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Affiliation(s)
- P Delva
- SYRTE, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, LNE, 61 avenue de l'Observatoire 75014 Paris, France
| | - N Puchades
- SYRTE, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, LNE, 61 avenue de l'Observatoire 75014 Paris, France
- Departamento de Astronomia y Astrofisica, Edificio de Investigación Jerónimo Muñoz, C/ Dr. Moliner, 50, 46100 Burjassot (Valencia), Spain
| | - E Schönemann
- European Space Operations Center, ESA/ESOC, 64293 Darmstadt, Germany
| | - F Dilssner
- European Space Operations Center, ESA/ESOC, 64293 Darmstadt, Germany
| | - C Courde
- UMR Geoazur, Université de Nice, Observatoire de la Côte d'Azur, 250 rue A. Einstein, F-06560 Valbonne, France
| | - S Bertone
- Astronomical Institute, University of Bern, Sidlerstrasse 5 CH-3012 Bern, Switzerland
| | - F Gonzalez
- European Space and Technology Centre, ESA/ESTEC, 2200 AG Noordwijk, Netherlands
| | - A Hees
- SYRTE, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, LNE, 61 avenue de l'Observatoire 75014 Paris, France
| | - Ch Le Poncin-Lafitte
- SYRTE, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, LNE, 61 avenue de l'Observatoire 75014 Paris, France
| | - F Meynadier
- SYRTE, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, LNE, 61 avenue de l'Observatoire 75014 Paris, France
| | - R Prieto-Cerdeira
- European Space and Technology Centre, ESA/ESTEC, 2200 AG Noordwijk, Netherlands
| | - B Sohet
- SYRTE, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, LNE, 61 avenue de l'Observatoire 75014 Paris, France
| | - J Ventura-Traveset
- European Space and Astronomy Center, ESA/ESAC, 28692 Villanueva de la Cañada, Spain
| | - P Wolf
- SYRTE, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, LNE, 61 avenue de l'Observatoire 75014 Paris, France
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Muñoz C, Gonzalez F. Laparoscopic treatment of type II Mirizzi Syndrome with common bile duct plasty. J Visc Surg 2018; 155:507-508. [PMID: 30220477 DOI: 10.1016/j.jviscsurg.2018.08.003] [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: 11/25/2022]
Affiliation(s)
- C Muñoz
- Upper GI & HPB Unit, Hospital Regional de Talca, 1, Norte #19990, Talca, Chile; Surgery Departament, Universidad Católica del Maule, Talca, Chile.
| | - F Gonzalez
- Upper GI & HPB Unit, Hospital Regional de Talca, 1, Norte #19990, Talca, Chile; Surgery Departament, Universidad Católica del Maule, Talca, Chile
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Tang Z, Blatnik M, Broussard LJ, Choi JH, Clayton SM, Cude-Woods C, Currie S, Fellers DE, Fries EM, Geltenbort P, Gonzalez F, Hickerson KP, Ito TM, Liu CY, MacDonald SWT, Makela M, Morris CL, O'Shaughnessy CM, Pattie RW, Plaster B, Salvat DJ, Saunders A, Wang Z, Young AR, Zeck BA. Search for the Neutron Decay n→X+γ, Where X is a Dark Matter Particle. Phys Rev Lett 2018; 121:022505. [PMID: 30085691 DOI: 10.1103/physrevlett.121.022505] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 05/01/2018] [Indexed: 06/08/2023]
Abstract
Fornal and Grinstein recently proposed that the discrepancy between two different methods of neutron lifetime measurements, the beam and bottle methods, can be explained by a previously unobserved dark matter decay mode, n→X+γ. We perform a search for this decay mode over the allowed range of energies of the monoenergetic γ ray for X to be dark matter. A Compton-suppressed high-purity germanium detector is used to identify γ rays from neutron decay in a nickel-phosphorous-coated stainless-steel bottle. A combination of Monte Carlo and radioactive source calibrations is used to determine the absolute efficiency for detecting γ rays arising from the dark matter decay mode. We exclude the possibility of a sufficiently strong branch to explain the lifetime discrepancy with 97% confidence.
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Affiliation(s)
- Z Tang
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - M Blatnik
- Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California 91125, USA
| | - L J Broussard
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - J H Choi
- North Carolina State University, Raleigh, North Carolina 27695, USA
| | - S M Clayton
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - C Cude-Woods
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
- North Carolina State University, Raleigh, North Carolina 27695, USA
| | - S Currie
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - D E Fellers
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - E M Fries
- Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California 91125, USA
| | | | - F Gonzalez
- Department of Physics, Indiana University, Bloomington, Indiana 47408, USA
| | - K P Hickerson
- Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California 91125, USA
| | - T M Ito
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - C-Y Liu
- Department of Physics, Indiana University, Bloomington, Indiana 47408, USA
| | - S W T MacDonald
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - M Makela
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - C L Morris
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | | | - R W Pattie
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - B Plaster
- University of Kentucky, Lexington, Kentucky 40506, USA
| | - D J Salvat
- University of Washington, Seattle, Washington 98195-1560, USA
| | - A Saunders
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - Z Wang
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - A R Young
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
- North Carolina State University, Raleigh, North Carolina 27695, USA
| | - B A Zeck
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
- North Carolina State University, Raleigh, North Carolina 27695, USA
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Gonzalez F, Sanchez-Salorio M, Pacheco P. Simultaneous Bilateral “Malignant Glaucoma” Attack in a Patient with no Antecedent Eye Surgery or Miotics. Eur J Ophthalmol 2018; 2:91-3. [PMID: 1498573 DOI: 10.1177/112067219200200208] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Malignant glaucoma is a term commonly used to describe a condition characterized by a sudden increase in intraocular pressure, usually occuring after eye surgery. This report describes a case of malignant glaucoma simultaneously presenting in both eyes, with no antecedent eye disease, medication or surgery. As far as we know this is the first report of spontaneous bilateral glaucoma. Both eyes were operated on according to the technique described by Chandler et al. (1), and the condition was solved. We suggest that, despite its rarity in eyes with no antecedent disease or ocular therapy, a surgeon should be aware of this condition.
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Affiliation(s)
- F Gonzalez
- Department of Ophthalmology, School of Medicine, University of Santiago, Spain
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Younan Y, Martinez A, Reimer N, Edgar M, Gonzalez F, Umpierrez M, Subhawong T, Singer AD. Combined classical spindle cell/pleomorphic lipoma spectrum imaging and clinical data. Skeletal Radiol 2018; 47:51-59. [PMID: 28823067 DOI: 10.1007/s00256-017-2751-1] [Citation(s) in RCA: 6] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 07/10/2017] [Accepted: 08/01/2017] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Compile the largest study to date on the imaging and clinical features of the classic spindle cell/pleomorphic lipoma spectrum and suggest this diagnosis be included in the differential for benign and malignant macroscopic fat-containing soft tissue masses regardless of the mass location or patient demographics. MATERIALS AND METHODS An institutional search was performed to identify all available classic-type spindle cell/pleomorphic lipomas with available demographic and imaging data. Images and reports were analyzed by one MSK-trained radiologist and radiographic, anatomic and clinical data were recorded. Additionally, a literature search was performed to identify studies describing the spindle cell lipoma spectrum imaging features and were combined with institutional data. RESULTS Forty-two institutional cases were identified, 37 of which had MRIs performed among which 21 had images available (T1- and T2-weighted pulse sequences) for review while the remainder had outside reports detailing the mass imaging features. There was a mean age of 57 with 79% of cases occurring in males. Contrary to prior reports, 57% of masses were subcutaneous, and the neck and back region accounted for 26% of cases. When the institutional cases were combined with available data in the literature, there was a new sample size of 91 masses, 74 of which had MRI and/or CT data. Eighty-seven percent of masses were heterogeneous, 51% were composed of less than 75% fat, 65% were in the back, neck or shoulder region, 27% of masses were deep and 91% demonstrated enhancement. Eighty-two percent of patients were males with a mean age of 58 at excision. CONCLUSION Imaging features, patient demographics and tumor location alone are not enough to differentiate tumors of the spindle cell lipoma spectrum from other macroscopic fat-containing benign and malignant tumors, and these entities should be included in the same imaging differential diagnosis.
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Affiliation(s)
- Yara Younan
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA
| | - Anthony Martinez
- Department of Pathology, Emory University Hospital, Atlanta, GA, USA
| | - Nickolas Reimer
- Department of Orthopedic Surgery, Emory University Hospital, Atlanta, GA, USA
| | - Mark Edgar
- Department of Pathology, Emory University Hospital, Atlanta, GA, USA
| | - Felix Gonzalez
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA
| | - Monica Umpierrez
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA
| | - Ty Subhawong
- Department of Radiology, University of Miami, Miami, FL, USA
| | - Adam D Singer
- Department of Radiology and Imaging Sciences Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor Suite 4009, Atlanta, GA, 30329, USA.
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Younan Y, Wong PK, Karas S, Umpierrez M, Gonzalez F, Jose J, Singer AD. The glenoid track: a review of the clinical relevance, method of calculation and current evidence behind this method. Skeletal Radiol 2017; 46:1625-1634. [PMID: 28593363 DOI: 10.1007/s00256-017-2687-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/12/2017] [Accepted: 05/24/2017] [Indexed: 02/02/2023]
Abstract
In the setting of bipolar bone injury, orthopedic surgeons are currently making use of the glenoid track method to guide surgical management. Using preoperative CT or MR imaging, this method allows the identification of patients who are more likely to fail a primary capsuloligamentous Bankart repair. As the glenoid track method becomes increasingly used in preoperative planning, it is important for the radiologist to become familiar with its concept and method of calculation. This review article aims to concisely summarize the current literature and the clinical implications of the glenoid track method.
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Affiliation(s)
- Yara Younan
- Department of Radiology and Imaging Sciences, Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA.
| | - Philip K Wong
- Department of Radiology and Imaging Sciences, Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA
| | - Spero Karas
- Department of Orthopedic Surgery, Emory University Hospital, Atlanta, GA, USA
| | - Monica Umpierrez
- Department of Radiology and Imaging Sciences, Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA
| | - Felix Gonzalez
- Department of Radiology and Imaging Sciences, Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA
| | - Jean Jose
- Department of Radiology, University of Miami, Miami, FL, USA
| | - Adam Daniel Singer
- Department of Radiology and Imaging Sciences, Section of Musculoskeletal Imaging, Emory University Hospital, 59 Executive Park South, 4th Floor, Suite 4009, Atlanta, GA, 30329, USA
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Hobeika E, Considine R, Acton A, Gonzalez F. Paradoxical inflammatory responses involving lipopolysaccharide (LPS) in mononuclear cells (MNC) of lean versus obese women with polycystic ovary syndrome (PCOS) are linked to hyperandrogenism. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Villaverde-Morcillo S, Soler AJ, Esteso MC, Castaño C, Miñano-Berna A, Gonzalez F, Santiago-Moreno J. Immature and mature sperm morphometry in fresh and frozen-thawed falcon ejaculates. Theriogenology 2017; 98:94-100. [PMID: 28601162 DOI: 10.1016/j.theriogenology.2017.04.051] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 04/17/2017] [Accepted: 04/17/2017] [Indexed: 11/26/2022]
Abstract
Sperm morphometry is one characteristic which may be useful in prediction of fertility and sperm freezability in a species. Knowledge of the sperm characteristics of the ejaculate and the morphometric descriptors is necessary to effectively develop sperm cryopreservation. The aim of the current study was to provide a general description of the sperm from two falcon species (Peregrine falcon Falco peregrinus peregrinus/brookei and Gyrfalcon Falco rusticolus) including immature sperm, sperm head morphometric descriptors, and the existence of mature sperm subpopulations. Semen samples were collected by massage and voluntary false copulation and diluted with Lake and Ravie medium. Smears were prepared of the diluted samples, stained with Hemacolor®, and subjected to: 1) morphological analysis (bright field optical microscopy), and 2) computerised morphometric analysis; each sperm head was measured for length, width, area and perimeter. In addition, in the Gyrfalcon, pooled semen was frozen in pellets using DMA as a cryoprotectant and the analyses repeated after thawing. The mean percentage of immature sperm (spermatocytes and spermatids) was similarly high in all species/subspecies: Brookei Peregrine falcon (F. p. brookei) 55.5%, European Peregrine falcon (F. p. peregrinus) 65.5% and Gyrfalcon 64.7%. Clustering analyses identified four subpopulations of mature spermatozoa with different morphometric characteristics (P < 0.001). The relative proportions of these subpopulations were similar in all three species. The mean values recorded for the morphometric variables of the four subpopulations were, however, lower (P < 0.001) in the thawed Gyrfalcon samples than in fresh samples. The results support the idea of pleiomorphy as a characteristic of raptor mature sperm. This finding, plus that of the existence of four sperm subpopulations with different morphometric characteristics, may be important in the future development of cryopreservation protocols for falcon sperm.
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Affiliation(s)
| | - A J Soler
- SaBio IREC (CSIC-UCLM-JCCM), Campus Universitario, Albacete, Spain
| | - M C Esteso
- Department of Animal Reproduction, INIA, Madrid, Spain
| | - C Castaño
- Department of Animal Reproduction, INIA, Madrid, Spain
| | - A Miñano-Berna
- CRFS El Valle, Consejería de Agricultura y Agua, Región de Murcia, Murcia, Spain
| | - F Gonzalez
- Wildlife Rehabilitation Hospital GREFA, Majadahonda, Madrid, Spain
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Yang JC, Hnetkovsky E, Rinehart D, Fernandez M, Gonzalez F, Borowsky J. Performance of Metal and Polymeric O-Ring Seals during Beyond-Design-Basis Thermal Conditions. Polym Test 2017; 58:135-141. [PMID: 28503009 PMCID: PMC5424711 DOI: 10.1016/j.polymertesting.2016.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This paper summarizes the small scale thermal exposure test results of the performance of metallic and polymeric O-ring seals typically used in radioactive material transportation packages. Five different O-ring materials were evaluated: Inconel/silver, ethylene-propylene diene monomer (EPDM), polytetrafluoroethylene (PTFE), silicone, butyl, and Viton. The overall objective of this study is to provide test data and insights to the performance of these Oring seals when exposed to beyond-design-basis temperature conditions due to a severe fire. Tests were conducted using a small-scale stainless steel pressure vessel pressurized with helium to 2 bar or 5 bar at room temperature. The vessel was then heated in an electric furnace to temperatures up to 900 °C for a pre-determined period (typically 8 h to 9 h). The pressure drop technique was used to determine if leakage occurred during thermal exposure. Out of a total of 46 tests performed, leakage (loss of vessel pressure) was detected in 13 tests.
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Affiliation(s)
- Jiann C. Yang
- Corresponding author: Jiann C. Yang, , Tel: +1-301-975-6662
| | - Edward Hnetkovsky
- Fire Research Division, Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, U.S.A
| | - Doris Rinehart
- Fire Research Division, Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, U.S.A
| | - Marco Fernandez
- Fire Research Division, Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, U.S.A
| | - Felix Gonzalez
- U.S. Nuclear Regulatory Commission, Rockville, Maryland 20852, U.S.A
| | - Joseph Borowsky
- U.S. Nuclear Regulatory Commission, Rockville, Maryland 20852, U.S.A
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Abdelhadi O, Considine R, Acton A, Gonzalez F. Saturated fat ingestion stimulates supressor of cytokine signaling-3 (SOCS-3) and toll-like receptor-4 (TLR-4) gene expression in polycystic ovary syndrome (PCOS). Fertil Steril 2016. [DOI: 10.1016/j.fertnstert.2016.07.103] [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: 11/16/2022]
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Gonzalez F, Considine R, Abdelhadi O, Acton A. Anti-inflammatory therapy suppresses proinflammatory cytokine secretion from mononuclear cells and reduces hyperandrogenism in lean women with polycystic ovary syndrome (PCOS). Fertil Steril 2016. [DOI: 10.1016/j.fertnstert.2016.07.104] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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40
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Abdelhadi O, Considine R, Acton A, Gonzalez F. Increased lipid-stimulated interleukin-6 (IL-6) release from mononuclear cells (MNC) is linked to excess ovarian androgen secretion in polycystic ovary syndrome (PCOS). Fertil Steril 2016. [DOI: 10.1016/j.fertnstert.2016.07.106] [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: 10/21/2022]
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41
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Tainta M, de la Riva P, Gonzalez F, Marti-Masso JF, Goenaga MA. [Rhomboencephalitis and endocarditis caused by Listeria monocytogenes: an unreported association]. Rev Neurol 2016; 63:46-48. [PMID: 27345281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Affiliation(s)
- M Tainta
- Hospital Donostia, 20014 San Sebastian, Espana
| | | | - F Gonzalez
- Hospital Donostia, 20014 San Sebastian, Espana
| | - J F Marti-Masso
- Hospital Donostia, 20014 San Sebastian, Espana
- Universidad del Pais Vasco, Donostia-San Sebastian, Espana
- Instituto Biodonostia, San Sebastian, Espana
| | - M A Goenaga
- Hospital Donostia, 20014 San Sebastian, Espana
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Boyer A, Eon B, Quentin B, Blondiaux I, Bordet F, Dray S, Jars-Guincestre MC, Noizet O, Gonzalez F, Pillot J, Rigaud JP, Rolando S, Vanderlinden T, Reignier J. Que change la Loi Claeys-Leonetti pour les réanimateurs ? ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s13546-016-1202-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Abalo-Lojo JM, Gonzalez F. Prostaglandin associated periorbitopathy. Arch Soc Esp Oftalmol 2016; 91:207-208. [PMID: 26810906 DOI: 10.1016/j.oftal.2015.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Accepted: 12/07/2015] [Indexed: 06/05/2023]
Affiliation(s)
- J M Abalo-Lojo
- Servicio de Oftalmología, Complejo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela, La Coruña, España.
| | - F Gonzalez
- Servicio de Oftalmología, Complejo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela, La Coruña, España; Departamento de Cirugía, CIMUS, Universidad de Santiago de Compostela, Santiago de Compostela, La Coruña, España; Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, La Coruña, España
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Montes-Lourido P, Bermudez MA, Romero MC, Vicente AF, Gonzalez F. Spatial Frequency Components of Images Modulate Neuronal Activity in Monkey Amygdala. Perception 2015; 45:375-85. [PMID: 26562878 DOI: 10.1177/0301006615614458] [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: 11/16/2022]
Abstract
Processing the spatial frequency components of an image is a crucial feature for visual perception, especially in recognition of faces. Here, we study the correlation between spatial frequency components of images of faces and neuronal activity in monkey amygdala while performing a visual recognition task. The frequency components of the images were analyzed using a fast Fourier transform for 40 spatial frequency ranges. We recorded 65 neurons showing statistically significant responses to at least one of the images used as a stimulus. A total of 37 of these neurons (n = 37) showed significant responses to at least three images, and in eight of them (8/37, 22%), we found a statistically significant correlation between neuron response and the modulus amplitude of at least one frequency range present in the images. Our results indicate that high spatial frequency and low spatial frequency components of images influence the activity of amygdala neurons.
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Affiliation(s)
- Pilar Montes-Lourido
- Centre for Research in Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, Santiago de Compostela, Spain
| | - M A Bermudez
- Centre for Research in Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, Santiago de Compostela, Spain
| | - M C Romero
- Centre for Research in Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, Santiago de Compostela, Spain
| | - A F Vicente
- Centre for Research in Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, Santiago de Compostela, Spain
| | - F Gonzalez
- Centre for Research in Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, Santiago de Compostela, SpainDepartment of Surgery, University of Santiago de Compostela, Santiago de Compostela, SpainOphthalmology Service and IDIS, Complejo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela, Spain
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Bonnet S, Gonzalez F, Mathieu L, Boddaert G, Hornez E, Bertani A, Avaro JP, Durand X, Rongieras F, Balandraud P, Rigal S, Pons F. The French Advanced Course for Deployment Surgery (ACDS) calledCours Avancé de Chirurgie en Mission Extérieure (CACHIRMEX): history of its development and future prospects. J ROY ARMY MED CORPS 2015; 162:343-347. [DOI: 10.1136/jramc-2015-000528] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 09/15/2015] [Indexed: 11/04/2022]
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46
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Gonzalez F, Mather K, Considine R, Pardue S, Acton A. Suppression of nutrient-induced inflammation with a nonsteroidal anti-inflammatory agent ameliorates ovarian dysfunction in lean insulin-sensitive women with polycystic ovary syndrome (PCOS). Fertil Steril 2015. [DOI: 10.1016/j.fertnstert.2015.07.064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Winchester P, Proctor C, Xie C, Gonzalez F. Successful IVF pregnancy is linked to seasonality that differs by maternal race. Fertil Steril 2015. [DOI: 10.1016/j.fertnstert.2015.07.315] [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: 11/16/2022]
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Gonzalez F, Jung C. A development scenario connecting the ternary symmetric horseshoe with the binary horseshoe. Chaos 2014; 24:043141. [PMID: 25554061 DOI: 10.1063/1.4905007] [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] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
It is explained in which way the ternary symmetric horseshoe can be obtained along a development scenario starting with a binary horseshoe. We explain the case of a complete ternary horseshoe in all detail and then give briefly some further incomplete cases. The key idea is to start with a three degrees of freedom system with a rotational symmetry, reduce the system with the help of the conserved angular momentum to one with two degrees of freedom where the value of the conserved angular momentum acts as a parameter and then let its value go to zero.
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Affiliation(s)
- F Gonzalez
- Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México, Av. Universidad s/n, 62251 Cuernavaca, Mexico
| | - C Jung
- Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México, Av. Universidad s/n, 62251 Cuernavaca, Mexico
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Obando CA, Desanvicente-Celis Z, Gonzalez L, Muschett D, Gonzalez F, Goldberg P. Cost-Effectiveness Analysis of Abiraterone Acetate Treatment Compared with Cabacitaxel in Dominican Republic, in Patients With Metastatic Castration-Resistant Prostate Cancer that Have Failed to Chemotherapy with Docetaxel. Value Health 2014; 17:A635. [PMID: 27202261 DOI: 10.1016/j.jval.2014.08.2279] [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] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
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Obando CA, Desanvicente-Celis Z, Gonzalez L, Muschett D, Gonzalez F, Goldberg P. Cost-Effectiveness Analysis of Abiraterone Acetate Treatment Compared With Cabacitaxel in Costa Rica, in Patients with Metastatic Castration-Resistant Prostate Cancer That Have Failed to Chemotherapy with Docetaxel. Value Health 2014; 17:A635. [PMID: 27202262 DOI: 10.1016/j.jval.2014.08.2278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
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