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Ahmed MS, Qamar M, Waqar S, Naeem A, Javaid RA, Tanveer SK, Hussain I. Estimation of genetic components, heterosis and combining ability of elite Pakistani wheat varieties for yield attributing traits and stripe rust response. Vavilovskii Zhurnal Genet Selektsii 2023; 27:609-622. [PMID: 37965373 PMCID: PMC10641056 DOI: 10.18699/vjgb-23-72] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 03/09/2023] [Accepted: 03/09/2023] [Indexed: 11/16/2023] Open
Abstract
Wheat (Triticum aestivum L.) is a staple food and major source of dietary calories in Pakistan. Improving wheat varieties with higher grain yield and disease resistance is a prime objective. The knowledge of genetic behaviour of germplasm is key. To achieve this objective, elite wheat varieties were crossed in 4 by 3, line × tester design, and tested in 2019 in a triplicate yield trial to estimate genetic variance, general and specific combining ability, mid-parent heterosis and stripe rust (Puccinia striiformis L.). High grain 3358 kg·ha-1 was recorded in F1 hybrid (ZRG-79 × PAK-13). Analysis of variance (ANOVA) revealed significant genotypic variance in grain yield. Broad sense heritability (H2) was recorded in the range of 28 to 100 %. General combining ability (GCA) significant for grain yield in parents except FSD-08 and PS-05 was recorded, while specific combining ability (SCA) was recorded to be highly significant for grain yield only in two crosses (ZRG-79 × NR-09 and ZRG-79 × PAK-13). Mid-parent heterosis was estimated in the range of -28 to 62.6 %. Cross combinations ZRG-79 × PAK-13 depicted highly significant mid-parent heterosis (62.6 %). Highly significant correlation was observed among spike length, spikelets per spike, plant height and 1000-grain weight. Rust resistance index was recorded in the range of 0 to 8.5. These findings suggest exploitation of GCA for higher grain yield is important due to the presence of additive gene action and selection in the filial generations will be effective with improved rust resistance, while cross combinations ZRG-79 × PAK-13 high GCA are best suited for hybrid development.
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Affiliation(s)
- M S Ahmed
- Wheat Program, Crop Sciences Institute, National Agricultural Research Center, Islamabad, Pakistan Rice Program, Crop Sciences Institute, National Agricultural Research Center, Islamabad, Pakistan
| | - M Qamar
- Wheat Program, Crop Sciences Institute, National Agricultural Research Center, Islamabad, Pakistan
| | - S Waqar
- Wheat Program, Crop Sciences Institute, National Agricultural Research Center, Islamabad, Pakistan
| | - A Naeem
- Rice Program, Crop Sciences Institute, National Agricultural Research Center, Islamabad, Pakistan
| | - R A Javaid
- Wheat Program, Crop Sciences Institute, National Agricultural Research Center, Islamabad, Pakistan
| | - S K Tanveer
- Wheat Program, Crop Sciences Institute, National Agricultural Research Center, Islamabad, Pakistan
| | - I Hussain
- Wheat Program, Crop Sciences Institute, National Agricultural Research Center, Islamabad, Pakistan
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Kamarajah S, Evans R, Nepogodiev D, Hodson J, Bundred J, Gockel I, Gossage J, Isik A, Kidane B, Mahendran H, Negoi I, Okonta K, Sayyed R, van Hillegersberg R, Vohra R, Wijnhoven B, Singh P, Griffiths E, Kamarajah S, Hodson J, 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 Castro R, 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 Gijón M, 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, Balli 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, MA N, 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 Díaz M, Magadán Álvarez C, Concepción Martín V, Díaz López C, Rosat Rodrigo A, Pérez Sánchez L, Bailón Cuadrado M, Tinoco Carrasco C, 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 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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Alharthi AI, Ud Din I, Alotaibi MA, Bagabas A, Naeem A, Alkhalifa A. Low temperature green methanol synthesis by CO2 hydrogenation over Pd/SiO2 catalysts in slurry reactor. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109688] [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: 11/15/2022]
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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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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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Jin S, Zhang SS, Shad N, Naeem A, Yang YD, Wu SK. Ethnobotanical investigation of medicinal plants used in Lingchuan county, Shanxi, China. BRAZ J BIOL 2022; 82:e260774. [DOI: 10.1590/1519-6984.260774] [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] [Received: 02/06/2022] [Accepted: 05/11/2022] [Indexed: 11/21/2022] Open
Abstract
Abstract Medicinal plants are the primary sources of healthcare among the people of developing countries in villages and local towns. Documenting and reporting the traditional knowledge of medicinal plants may contribute to pharmaceutical research development. For this reason, we present our findings on ethnomedicinal plants from Lingchuan County, Shanxi, China, an unexplored area rich in medicinal plant resources. Information of ethnomedicinal plants were collected through questionnaire/semi-structured interviews from 180 informants, including traditional healers. Field surveys were conducted in 53 villages of Lingchuan County from 2017 to 2018. Informed consent was obtained from each participant before conducting the interview process. Quantitative analysis was performed for each recorded species, such as Relative Frequency Citation (RFC), Use Value (UV), and Factor of Informant Consensus (FIC). Diseases were categorized into twelve groups. A total 138 species of medicinal plants were recorded, belonging to 123 genera of 58 families. Asteraceae was the dominant plant family with 19 species, followed by Rosaceae and Fabaceae. Herbs were dominant among plant life-forms with 96 species, followed by shrubs and trees (15 species each). Roots were the most commonly used plant parts with 58 species, followed by whole plants and fruits (28 species each). Most plant species were reported non-toxic (84, 60%), followed by unknown toxicity (35, 25%), poisonous, and less toxic (19, 14%). Quantitative analysis revealed that Forsythia suspensa was with higher (0.33) RFC value, and Scutellaria baicalensis was recorded with a higher (0.91) UV. Treated diseases were categorized in 12 groups and evaluated by their FIC value, in which gynecological diseases have higher (0.93) FIC value followed by urinary system diseases. Most medicinal plants are used to clear away heat and relieve the surface. The present study revealed that local people of Lingchuan County confidently use ethnomedicinal plants for their healthcare needs. The higher indices value of a plant species resulted from quantitative analysis warrants further investigation, which may possess valuable phytochemical compounds that may result in new drugs for treating various human disorders.
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Affiliation(s)
- S. Jin
- Changzhi University, China; Ecological and Environmental Research Institute of Taihang Mountain, China
| | - S. S. Zhang
- Jiangxi Science and Technology Normal University, China
| | - N. Shad
- Jiangxi Agricultural University, China
| | - A. Naeem
- Jiangxi University of Traditional Chinese Medicine, China
| | - Y. D. Yang
- Changzhi University, China; Ecological and Environmental Research Institute of Taihang Mountain, China
| | - S. K. Wu
- Changzhi University, China; Ecological and Environmental Research Institute of Taihang Mountain, China
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Massoud H, Abd El-Baset M, Naeem A. Influence of Foliar Spraying by Antioxidants on Growth, Flowering and Chemical Composition of Chrysanthemum (Dendranthema grandiflorum) Plant. Journal of Plant Production 2021; 12:1313-1320. [DOI: 10.21608/jpp.2021.220002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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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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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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Khan A, Naeem A, Mahmood T. Kinetic Studies of Methyl Orange and Congo Red Adsorption and Photocatalytic Degradation onto PVP-Functionalized ZnO. Kinet Catal 2020. [DOI: 10.1134/s0023158420050055] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Naeem U, Naeem A, Naeem MA, Naeem K, Mujtaba B, Mujtaba A, Khurshid A. An association between exposure to Middle East Respiratory Syndrome (MERS) and mortality rate of Coronavirus Disease 2019 (COVID-19). Eur Rev Med Pharmacol Sci 2020; 24:9172-9181. [PMID: 32965011 DOI: 10.26355/eurrev_202009_22868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Our objective was to find an association between exposure of a population to Middle East Respiratory Syndrome Coronavirus (MERS-CoV) and mortality rate due to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) across different countries worldwide. MATERIALS AND METHODS To find the relationship between exposure to MERS-CoV and mortality rate due to SARS-CoV-2, we collected and analyzed data of three possible factors that may have resulted in an exposure of a population to MERS-CoV: (1) the number of Middle East Respiratory Syndrome (MERS) cases reported among 16 countries since 2012; (2) data of MERS-CoV seroprevalence in camels across 23 countries, as working with camels increase risk of exposure to MERS-CoV; (3) data of travel history of people from 51 countries to Saudi Arabia was collected on the assumption that travel to a country where MERS is endemic, such as, Saudi Arabia, could also lead to exposure to MERS-CoV. RESULTS We found a significantly lower number of Coronavirus disease 2019 (COVID-19) deaths per million (deaths/M) of a population in countries that are likely to be exposed to MERS-CoV than otherwise (t-stat=3.686, p<0.01). In addition, the number of COVID-19 deaths/M of a population was significantly lower in countries that reported a higher seroprevalence of MERS-CoV in camels than otherwise (t-stat=4.5077, p<0.01). Regression analysis showed that increased travelling history to Saudi Arabia is likely to be associated with a lower mortality rate due to COVID-19. CONCLUSIONS This study provides empirical evidence that a population that was at an increased risk of exposure to MERS-CoV had a significantly lower mortality rate due to SARS-CoV-2, which might be due to cross-protective immunity against SARS-CoV-2 in that population because of an earlier exposure to MERS-CoV.
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Affiliation(s)
- U Naeem
- Department of Health Professional Technology, University of Lahore, Lahore, Pakistan.
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Patka M, Wallin-Ruschman J, Al Rahma BA, Zar A, Bin Nauman H, Sharif JM, Ikram S, Ul Hasan T, Naeem A, Sharif GM, Mehboob N, Azim T, Khanam Z. 'We need to share our stories': the lives of Pakistanis with intellectual disability and their guardians. J Intellect Disabil Res 2020; 64:345-356. [PMID: 32166785 DOI: 10.1111/jir.12723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 06/10/2023]
Abstract
INTRODUCTION The experiences of Pakistanis with intellectual disabilities (IDs) and their family members have been underexplored empirically. METHOD The present study sought to address this gap by understanding the lives of five Special Olympics Pakistan athletes and their guardians through PhotoVoice. FINDINGS Through thematic analysis, we present the primary theme concerning Pakistan's cultural context that provides an empirical exploration of cultural beliefs about intellectual disability, cultural expectations and support received by people with intellectual disabilities and their guardians. DISCUSSION We discuss implications for research and practice.
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Affiliation(s)
- M Patka
- Department of Psychology, Zayed University, Dubai, United Arab Emirates
| | | | - B A Al Rahma
- Department of Psychology, Zayed University, Dubai, United Arab Emirates
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Abstract
Abstract
Chromium is well-thought-out heavy metal which is one of the enormously lethal due to its cancer-causing nature. In this study, iron oxide is used as adsorbent for chromate removal from aqueous solution as a function of pH, time, temperature, concentration of adsorbate and media dosage. The influence of pH on Cr (VI) sorption by iron oxide reveals that adsorption is significantly increased as pH is decreased from 8 to 2. The sorption rate is detected to be higher in the beginning and then it remains constant after 120 min of equilibrium time. The removal of Cr (VI) is found to be greater at higher temperature, which confirms the endothermic nature of Cr (VI) adsorption by iron oxide. Whereas, the kinetic investigations confirm that the chromate adsorption follows the pseudo second order with kinetic energy in the range of 8.4–83.7 kJ mol−1.
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Affiliation(s)
- Qamar Sultana
- National Centre of Excellence in Physical Chemistry, University of Peshawar , Peshawar , Pakistan
| | - A. Naeem
- National Centre of Excellence in Physical Chemistry, University of Peshawar , Peshawar , Pakistan
| | - Tahira Mahmood
- National Centre of Excellence in Physical Chemistry, University of Peshawar , Peshawar , Pakistan
| | - Israf Ud Din
- National Centre of Excellence in Physical Chemistry, University of Peshawar , Peshawar , Pakistan
- Prince Sattam bin Abdulaziz University, College of Science and Humanities , Department of Chemistry , Al-kharj , Saudi Arabia
| | - Tooba Saeed
- National Centre of Excellence in Physical Chemistry, University of Peshawar , Peshawar , Pakistan
| | - Nadir Khan
- National Centre of Excellence in Physical Chemistry, University of Peshawar , Peshawar , Pakistan
| | - Tauqeer Ahmad
- Department of Chemistry , University of Sargodha , Sub Campus Mianwali , Sargodha , Pakistan
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Naeem A, Abbas T, Ali TM, Hasnain A. Application of guar gum-based edible coatings supplemented with spice extracts to extend post-harvest shelf life of lemon (Citrus limon). Quality Assurance and Safety of Crops & Foods 2019. [DOI: 10.3920/qas2018.1310] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- A. Naeem
- Department of Microbiology, University of Karachi, 75270 Karachi, Pakistan
| | - T. Abbas
- Department of Microbiology, University of Karachi, 75270 Karachi, Pakistan
| | - T. Mohsin Ali
- Department of Food Science & Technology, University of Karachi, 75270 Karachi, Pakistan
| | - A. Hasnain
- Department of Food Science & Technology, University of Karachi, 75270 Karachi, Pakistan
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Tufail A, Li H, Naeem A, Li TX. Leaf cell membrane stability-based mechanisms of zinc nutrition in mitigating salinity stress in rice. Plant Biol (Stuttg) 2018; 20:338-345. [PMID: 29148143 DOI: 10.1111/plb.12665] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 11/08/2017] [Indexed: 05/03/2023]
Abstract
Excess salt affects about 955 million ha of arable land worldwide, and 49% of agricultural land is Zn-deficient. Soil salinity and zinc deficiency can intensify plant abiotic stress. The mechanisms by which Zn can mitigate salinity effects on plant functions are not well understood. We conducted an experiment to determine how Zn and salinity effects on rice plant retention of Zn, K+ and the salt ion Na+ affect chlorophyll formation, leaf cell membrane stability and grain yield. We examined the mechanisms of Zn nutrition in mitigating salinity stress by examining plant physiology and nutrition. We used native Zn-deficient soils (control), four salinity (EC) and Zn treatments - Zn 10 mg·kg-1 (Zn10 ), EC 5 dS·m-1 (EC5 ), Zn10 +EC5 and Zn15 +EC5 , a coarse rice (KS-282) and a fine rice (Basmati-515) in the study. Our results showed that Zn alone (Zn10 ) significantly increased rice tolerance to salinity stress by promoting Zn/K+ retention, inhibiting plant Na+ uptake and enhancing leaf cell membrane stability and chlorophyll formation in both rice cultivars in native alkaline, Zn-deficient soils (P < 0.05). Further, under the salinity treatment (EC5 ), Zn inputs (10-15 mg·kg-1 ) could also significantly promote rice plant Zn/K+ retention and reduce plant Na+ uptake, and thus increased leaf cell membrane stability and grain yield. Coarse rice was more salinity-tolerant than fine rice, having significantly higher Zn/K+ nutrient retention. The mechanistic basis of Zn nutrition in mitigating salinity impacts was through promoting plant Zn/K+ uptake and inhibiting plant Na+ uptake, which could result in increased plant physiological vigour, leaf cell membrane stability and rice productivity.
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Affiliation(s)
- A Tufail
- Chinese Academy of Tropical Agricultural Sciences, Environment and Plant Protection Institute, Haikou, Hainan, China
- Institute of Soil & Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
| | - H Li
- Chinese Academy of Tropical Agricultural Sciences, Environment and Plant Protection Institute, Haikou, Hainan, China
| | - A Naeem
- Institute of Soil & Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
- Soil Science Division, Nuclear Institute for Agriculture and Biology, Faisalabad, Pakistan
| | - T X Li
- Ministry of Sustainable Development, Environment and Parks of Quebec, Sustainable Development and Ecological Inheritance Services, Quebec City, QC, Canada
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Uvais NA, Shihabudheen P, Naeem A. Pattern of psychotropic drugs prescription in patients on hemodialysis: A single centre experience from South India. Asian J Psychiatr 2018; 31:90-91. [PMID: 29453148 DOI: 10.1016/j.ajp.2018.02.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 02/03/2018] [Accepted: 02/03/2018] [Indexed: 10/18/2022]
Affiliation(s)
- N A Uvais
- Department of Neuropsychiatry, Iqraa International Hospital and Research Centre, Calicut, Kerala, India.
| | - P Shihabudheen
- Department of Medicine, Iqraa International Hospital and Research Centre, Calicut, Kerala, India.
| | - A Naeem
- Iqraa International Hospital and Research Centre, Calicut, Kerala, India.
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Din IU, Shaharun MS, Naeem A, Tasleem S, Johan MR. Carbon nanofiber-based copper/zirconia catalyst for hydrogenation of CO2 to methanol. J CO2 UTIL 2017. [DOI: 10.1016/j.jcou.2017.07.010] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Muska M, Naeem A, Hamayun M, Badshah SL, Farooq M, Fida M, Mahmood A, Shah KH, Mabkhot YN. Comparative sorption studies of chromate by nano-and-micro sized Fe2O3 particles. OPEN CHEM 2017. [DOI: 10.1515/chem-2017-0016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractThe comparative adsorption studies of Cr (VI) on nano and micro-powder Fe2O3 were investigated using kinetics and batch adsorption techniques. The uptake of chromate onto both the oxides of iron was observed to be dependent on the pH, contact time, temperature, media dosage and concentration of chromate anions. The values of sorption maxima were higher in the case of Fe2O3 nanopowder than the micro-powder which can be ascribed to the high surface area and point of zero charge (PZC) of the former oxide. The Dubinin-Radushkivech and Langmuir models were found well fitted for the description of the batch adsorption data. The FTIR studies confirmed that the hexavalent chromium was adsorbed onto both the iron oxides in the form of the Cr2O72−.
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Affiliation(s)
- M. Muska
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar25120, Pakistan
- Jinnah College for Women, University of Peshawar. Peshawar25120, Pakistan
| | - A. Naeem
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar25120, Pakistan
| | - M. Hamayun
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar25120, Pakistan
- Department of Chemistry, University of Gujrat, Gujrat, Pakistan
| | - S. L. Badshah
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar25120, Pakistan
| | - M. Farooq
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar25120, Pakistan
| | - M. Fida
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar25120, Pakistan
| | - A. Mahmood
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar25120, Pakistan
| | - K. H. Shah
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar25120, Pakistan
- Department of Chemistry, COMSATS Institute of Information Technology, Abbottabad, 22060, Pakistan
| | - Y. N. Mabkhot
- Department of Chemistry, College of Science, King Saud University, Riyadh11451, Saudi Arabia
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Abstract
Elbow dislocation, though a common orthopaedic emergency is rare with brachial artery injury and is even more uncommon in the paediatric age group. We present the case of a child who sustained trauma resulting in closed elbow dislocation with brachial artery injury. Elbow dislocation with brachial artery injury can present with palpable distal pulses and good capillary refill because of rich collaterals at the elbow. But this patient presented with signs of frank ischemia distally, and was managed with ipsilateral reverse cephalic vein graft. He had good volume pulses at one year follow-up. Patients with such presentation should have careful clinical and radiological assessment to exclude complicated elbow dislocation.
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Affiliation(s)
- K Vickash
- Department of Orthopaedic and Spine Surgery, Ghurki Trust Teaching Hospital Lahore, Pakistan
| | - A Amer
- Department of Orthopaedic and Spine Surgery, Ghurki Trust Teaching Hospital Lahore, Pakistan
| | - A Naeem
- Department of Orthopaedic and Spine Surgery, Ghurki Trust Teaching Hospital Lahore, Pakistan
| | - S Falak
- Department Of Plastic and Hand Surgery, Ghurki Trust Teaching Hospital Lahore, Pakistan
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Abstract
Potentiometric titrations of aluminium(III) phosphate have been performed in the presence of aqueous electrolyte solutions containing Cu2+, Zn2+, Ni2+ and K+ ions as a function of the concentration of the latter, the pH and the temperature. The sorption of Zn2+ ions has also been studied and the data for metal ion sorption shown to correlate with the Potentiometric titration data, indicating that the process responsible for metal ion uptake is ion exchange. The pKa value of the exchanger and its thermodynamic parameters have been evaluated.
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Affiliation(s)
- S. Mustafa
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - A. Naeem
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - N. Rehana
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - H.Y. Samad
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
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Mustafa S, Naeem A, Rehana N, Hussain T. Exchange of Some Divalent Metal Cations and Their Effect on the Dissociation of Iron(III) Phosphate. ADSORPT SCI TECHNOL 2016. [DOI: 10.1177/026361749601300403] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Potentiometric titrations of iron(III) phosphate have shown an apparently weak monobasic acid behaviour towards alkali, alkaline earth and divalent transition metal ions. The selectivity sequence and dissociation of the exchanger was found to increase in the order Cu2+ > Zn2+ > Ni2+ > Ca2+ > K+. The dissociation constants of iron(III) phosphate have been determined from Potentiometric titration data in the temperature range 303–323 K. In addition, the exchange of Cu2+, Zn2+ and Co2+ on iron(III) phosphate and the effect of these ions on dissociation were also studied as a function of concentration, temperature and solution pH value. The thermodynamic parameters ΔH0, ΔS0 and ΔG0 for the dissociation of iron(III) phosphate are also presented.
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Affiliation(s)
- S. Mustafa
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - A. Naeem
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - N. Rehana
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - T. Hussain
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
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Abstract
The sorption of Zn2+, Ni2+ and Cd2+ ions by silica gel was studied as a function of ion concentration, pH and temperature. An increase in all three parameters led to an increase in the extent of sorption for all the metal cations studied. The selectivity of the solid was observed to be in the order Zn2+ > Ni2+ > Cd2+. Sorption of the metal cations was accompanied by the release of H+ ions into the bulk phase. On average two moles of H+ ions were released per mole of metal cation sorbed. The sorption data fitted the linear forms of both the Kurbatov and Langmuir adsorption equations. The values of the binding constants were used to estimate the apparent thermodynamic parameters, ΔH and ΔS, for the adsorption process. FT-IR spectroscopic studies also showed that the uptake of metal cations by the silica gel occurred via a cation-exchange process.
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Affiliation(s)
- S. Mustafa
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Pakistan
| | - B. Dilara
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Pakistan
| | - A. Naeem
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Pakistan
| | - N. Rehana
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Pakistan
| | - K. Nargis
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Pakistan
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Affiliation(s)
- S. Mustafa
- National Center for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - A. Jamal
- National Center for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - A. Naeem
- National Center for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - N. Rehana
- National Center for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
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26
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Abstract
The sorption of Zn2+, Ni2+, Cd2+, Ca2+ and Mg2+ ions on to a mixed oxide of iron and silicon was found to increase with increasing temperature, concentration and pH of the system. The selectivity of this mixed oxide was Cd2+ ≥ Zn2+ ≥ Ni2+ > Ca2+ > Mg2+, indicating that the mixed oxide was more selective as an exchanger towards Cd2+ ions relative to its components, SiO2 and Fe(OH)3. The sorption data fitted the linear forms of the Kurbatov and Langmuir adsorption equations. The sorption of metal cations was accompanied by the release of H+ ions to the bulk phase. On average 1 mol H+ was released for every cation sorbed. The values of the binding constants were used to estimate the apparent thermodynamic parameters, ΔH and ΔS. The phenomenon of enthalpy/entropy compensation showed that the adsorption of metal ions by the mixed oxide occurred typically through a cation-exchange mechanism.
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Affiliation(s)
- S. Mustafa
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - B. Dilara
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - A. Naeem
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - N. Rahana
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - P. Shahida
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
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Abstract
Alkali metal ion exchange (Li+, Na+ and K+) on chromium phosphate (CrPO4) was studied potentiometrically as a function of temperature and metal ion concentration. The shift in the potentiometric titration curves corresponding to the exchange of alkali metal cations increased with increasing pH and concentration of the metal ions, while the opposite results were obtained by increasing the temperature of the system. The affinity of the exchanger for alkali metal ions was also found to be in the order Li+ > Na+ > K+. The data were employed to evaluate the apparent deprotonation constants of CrPO4 and the corresponding thermodynamic parameters ΔH0, ΔS0 and ΔG0.
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Affiliation(s)
- S. Mustafa
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - S. Murtaza
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - A. Naeem
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - B. Dilara
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - K. Farina
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
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Affiliation(s)
- S. Mustafa
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - A. Naeem
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - S.U. Nisa
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - S. Murtaza
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - M. Khalid
- National Centre for Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
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Naeem A, Yenugonda V, Rodriguez O, Avantaggiati M, Rood B, Karam S, Albanese C. Mechanisms of p53-mediated chemosensitivity of VMY on medulloblastoma cells. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)61315-1] [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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Din IU, Shaharun MS, Subbarao D, Naeem A, Hussain F. Influence of niobium on carbon nanofibres based Cu/ZrO 2 catalysts for liquid phase hydrogenation of CO 2 to methanol. Catal Today 2016. [DOI: 10.1016/j.cattod.2015.06.019] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [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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31
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Elhussein AB, Huneif MA, Naeem A, Fadlelseed OE, Babiker WG, Rahma NEAA, Ahmed SAM, Ayed IAM, Shalayel MHF. Correlation of interleukin-4 levels with Plasmodium falciparum malaria parasitaemia in Sudanese children. Acta Clin Belg 2015; 70:414-8. [PMID: 26138543 DOI: 10.1179/2295333715y.0000000042] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES This study aimed to measure the level of interleukin-4 (IL-4) in the serum of children patients with falciparum malaria and to correlate the production of this cytokine with the severity of malaria parasitaemia. METHODS One hundred ten patients with malaria participated in this study (53 males and 57 females) and their results were compared with that of 60 healthy control subjects. Their ages ranged between 6 months and 15 years. For the detection of parasitaemia, a calibrated thick-smear technique was used with standard Giemsa staining. For designation of the relative parasite count, a simple code from one to four crosses is used according to the criteria mentioned by Gilles and Warrell. The blood samples were assessed for IL-4 using enzyme-linked immunosorbent assay (ELISA) technique. RESULTS Thirty-three malaria patients (30.27%) had one cross (+) parasitaemia, 13 patients (11.93%) had (++) parasitaemia, 24 patients (22.02%) had (+++) parasitaemia and 39 patients (35.78%) had (++++) parasitaemia. There was a significant difference (P<0.009) in the concentration of IL-4 between malaria patients (160.74±25.5 pg/ml) and control group (62.136±18.16 pg/ml). Uncomplicated malaria patients showed the highest record of IL-4 level followed by cerebral malaria (CM) group and then severe malaria anaemia group (SMA) (255.8±54.13, 102.7±34.88 and 90.95±20.90 pg/ml respectively, P>0.0001). CONCLUSION It was concluded that elevation of serum IL-4 in Sudanese children suffering from Plasmodium falciparum malaria is correlated with the severity of malaria hyperparasitaemia rather than with the severity of the disease.
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Affiliation(s)
- A B Elhussein
- Department of Biochemistry, Najran University , Saudi Arabia
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Din IU, Tasleem S, Naeem A, Shaharun MS, Nasir Q. Study of Annealing Conditions on Particle Size of Nickel Ferrite Nanoparticles Synthesized by Wet Chemical Route. ACTA ACUST UNITED AC 2015. [DOI: 10.1080/15533174.2014.988226] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Israf Ud Din
- Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Perak, Malaysia
- Chemistry Department, Kohat University of Science and Technology, Kohat, Pakistan
| | - S. Tasleem
- Chemistry Department, Kohat University of Science and Technology, Kohat, Pakistan
| | - A. Naeem
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan
| | - Maizatul S. Shaharun
- Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Perak, Malaysia
| | - Qazi Nasir
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Perak, Malaysia
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Tomlinson M, Meadows J, Kohut T, Haoula Z, Naeem A, Pooley K, Deb S. Review and follow-up of patients using a regional sperm cryopreservation service: ensuring that resources are targeted to those patients most in need. Andrology 2015; 3:709-16. [PMID: 26084986 DOI: 10.1111/andr.12045] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [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: 02/11/2015] [Revised: 04/02/2015] [Accepted: 04/06/2015] [Indexed: 01/25/2023]
Abstract
Are all patients undergoing chemotherapy for long-term sperm banking at risk of permanent sterility? Male fertility is generally lower in men with cancer and all patient groups are at risk of azoospermia. Careful management is required to ensure that samples are not stored for excessively long periods should they not be required. A retrospective analysis of 1688 patient records and prospective recall of patients for semen testing were performed. Pre-therapy fertility was compared with a group of pre-vasectomy patients as a comparator. Those who fail to bank spermatozoa, rates of disposal of samples and the utilization in assisted reproduction were also examined. Sperm quality was poorest in testicular cancer (TC) patients followed by those with Hodgkin's lymphoma (HL) prior to treatment. Post-therapy data were available in 376 patients (42%). Sperm number was lowest (and azoospermia highest at 77%) in patients with HL treated with regimens other than adriamycin, bleomycin, vinblastine and dacarbazine (ABVD). Non-HL NHL and leukaemic patients had similarly high rates of azoospermia at 46 and 55%. HL patients treated with ABVD (11%) and TC patients (9.7%) had the lowest rates of azoospermia. Azoospermia was seen in every treatment group except for TC patients receiving carboplatin. Only 45 patients used their samples in ART (4.5%) in 10 years. Little is known about the fertility status of the patients not coming forward for follow-up testing, those conceiving naturally, those with no intention of conceiving and some which may have psychological reasons for not attending. In conclusion, virtually all patients undergoing chemotherapy are potentially at risk of temporary or permanent infertility. However, as uptake and utilization of stored material remain low, sperm banks should be carefully managed to ensure that resources are targeted to the patients most in need.
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Affiliation(s)
- M Tomlinson
- Fertility Unit, Nottingham University Hospital, Nottingham, UK.,Department of Clinical Sciences, Nottingham University Hospital, University of Nottingham, Nottingham, UK
| | - J Meadows
- Fertility Unit, Nottingham University Hospital, Nottingham, UK
| | - T Kohut
- Fertility Unit, Nottingham University Hospital, Nottingham, UK
| | - Z Haoula
- Department of Clinical Sciences, Nottingham University Hospital, University of Nottingham, Nottingham, UK
| | - A Naeem
- Computer Science Department, AIR University, Islamabad, Pakistan
| | - K Pooley
- Fertility Unit, Nottingham University Hospital, Nottingham, UK
| | - S Deb
- Fertility Unit, Nottingham University Hospital, Nottingham, UK.,Department of Clinical Sciences, Nottingham University Hospital, University of Nottingham, Nottingham, UK
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Umar M, Badshah M, Naeem A, Amjad I, Fatima A, Rashid F, Siddique L. Aptitude of clinical decision making in physiotherapists of Pakistan. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.1554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Abstract
DNA barcoding is a promising tool for species identification at the molecular level. The barcoding system is well established for species differentiation in animals, while it is less common in plants. We evaluated 2 barcoding regions, maturase K (matK) and ribulose bisphosphate carboxylase (rbcL), to compare species of Palmae according to amplification success, discrimination power, and inter- and intra-specific divergence. Both regions appear to have potential to discriminate most species of Palmae, but 2 species, Phoenix dactylifera and Phoenix sylvestris, did not show variation in the nucleotides of the barcode genes. P. sylvestris is said to be the sister species of P. dactilyfera according to its morphological and genetic proximity to the cultivated date palm. Thus, the status of these 2 species needs to be re-evaluated considering more genes as barcodes. Furthermore, rbcL has a higher discrimination power (90%) than matK (66.6%) and can thus be potentially used as a standard barcode to discriminate the species of Palmae.
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Affiliation(s)
- A Naeem
- Plant Genetic Resources Lab, University of Agriculture, Faisalabad, Pakistan
| | - A A Khan
- Plant Genetic Resources Lab, University of Agriculture, Faisalabad, Pakistan
| | - H M N Cheema
- Plant Genetic Resources Lab, University of Agriculture, Faisalabad, Pakistan
| | - I A Khan
- Plant Genetic Resources Lab, University of Agriculture, Faisalabad, Pakistan
| | - A Buerkert
- Organic Plant Production and Agroecosystems Research, University of Kassel, Witzenhausen, Germany
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Mahmood T, Din S, Naeem A, Tasleem S, Alum A, Mustafa S. Kinetics, equilibrium and thermodynamics studies of arsenate adsorption from aqueous solutions onto iron hydroxide. J IND ENG CHEM 2014. [DOI: 10.1016/j.jiec.2013.12.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [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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Hamayun M, Mahmood T, Naeem A, Muska M, Din SU, Waseem M. Equilibrium and kinetics studies of arsenate adsorption by FePO(4). Chemosphere 2014; 99:207-215. [PMID: 24280053 DOI: 10.1016/j.chemosphere.2013.10.075] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Revised: 10/12/2013] [Accepted: 10/14/2013] [Indexed: 06/02/2023]
Abstract
The present work is focusing on removal of arsenate from aqueous solution using FePO4. The equilibrium study regarding the removal of arsenic by FePO4 was carried out at 298, 308, 318 and 328K. Langmuir parameters were found to increase with the increase in temperature indicating that the adsorption is favorable at high temperature. Kinetic study of arsenate adsorption on FePO4 was also carried out at different temperatures and at pH 6 and 8. Different kinetic models were used to the kinetic data amongst which pseudo second order model was best fitted. The mechanism of the adsorption kinetics was investigated by employing intraparticle diffusion and Richenberg models. The energy of activation (Ea) was found to be 30 and 35.52kJmol(-1) at pH 6 and pH 8, respectively, suggesting chemisorption nature of the adsorption process. The negative entropic values of activation signified the existence of entropy barrier while the positive ΔG(#) values indicated the existence of energy barrier to be crossed over for the occurrence of a chemical reaction. Both the spectroscopic studies and increase in equilibrium pH reveal the anion exchange removal of arsenate from aqueous solution to the solid surface.
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Affiliation(s)
- M Hamayun
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
| | - T Mahmood
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
| | - A Naeem
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan.
| | - M Muska
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
| | - S U Din
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
| | - M Waseem
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
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Naeem A, Zhong K, Moisá SJ, Drackley JK, Moyes KM, Loor JJ. Bioinformatics analysis of microRNA and putative target genes in bovine mammary tissue infected with Streptococcus uberis. J Dairy Sci 2012; 95:6397-408. [PMID: 22959936 DOI: 10.3168/jds.2011-5173] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Accepted: 07/25/2012] [Indexed: 01/23/2023]
Abstract
MicroRNA (miRNA) are small single-stranded noncoding RNA with important roles in regulating innate immunity in nonruminants via transcriptional and posttranscriptional mechanisms. Mastitis causes significant losses in the dairy industry and a wealth of large-scale mRNA expression data from mammary tissue have provided fundamental insights into the tissue adaptations to pathogens. We studied the expression of 14 miRNA (miR-10a, -15b, -16a, -17, -21, -31, -145, -146a, -146b, -155, -181a, -205, -221, and -223) associated with regulation of innate immunity and mammary epithelial cell function in tissue challenged with Streptococcus uberis. Those data, along with microarray expression of 2,102 differentially expressed genes, were used for bioinformatics analysis to uncover putative target genes and the most affected biological pathways and functions. Three miRNA (181a, 16, and 31) were downregulated approximately 3- to 5-fold and miR-223 was upregulated approximately 2.5-fold in infected versus healthy tissue. Among differentially expressed genes due to infection, bioinformatics analysis revealed that the studied miRNA share in the regulation of a large number of metabolic (SCD, CD36, GPAM, and FASN), immune/oxidative stress (TNF, IL6, IL10, SOD2, LYZ, and TLR4), and cellular proliferation/differentiation (FOS and CASP4) target genes. This level of complex regulation was underscored by the coordinate effect revealed by bioinformatics on various cellular pathways within the Kyoto Encyclopedia of Genes and Genomes database. Most pathways associated with "cellular processes," "organismal systems," and "diseases" were activated by putative target genes of miR-31 and miR-16a, with an overlapping activation of "immune system" and "signal transduction." A pronounced effect and activation of miR-31 target genes was observed within "folding, sorting, and degradation," "cell growth and death," and "cell communication" pathways, whereas a marked inhibition of "lipid metabolism" occurred. Putative targets of miR-181a had a strong effect on FcγR-mediated phagocytosis, toll-like receptor signaling, and antigen processing and presentation, which were activated during intramammary infections. The targets of both miR-31 and miR-223 had an inhibitory effect on "lipid metabolism." Overall, the combined analyses indicated that changes in mammary tissue immune, metabolic, and cell growth-related signaling pathways during infection might have been mediated in part through effects of miRNA on gene transcription. Differential expression of miRNA supports the view from nonruminant cells/tissues that certain miRNA might be essential for the tissue's adaptive response to infection.
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Affiliation(s)
- A Naeem
- Mammalian NutriPhysioGenomics, and Department of Animal Sciences, University of Illinois, Urbana 61801, USA
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Invernizzi G, Naeem A, Loor JJ. Short communication: Endoplasmic reticulum stress gene network expression in bovine mammary tissue during the lactation cycle. J Dairy Sci 2012; 95:2562-6. [PMID: 22541483 DOI: 10.3168/jds.2011-4806] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2011] [Accepted: 11/16/2011] [Indexed: 11/19/2022]
Abstract
The endoplasmic reticulum (ER) has a crucial role in cellular metabolism. Recent studies in nonruminants discovered that components of the ER stress pathway, induced during the unfolded protein response, play critical roles in regulating lipogenesis. The bovine mammary gland faces extreme metabolic stress at the onset of lactation due primarily to the increase in flux through pathways associated with milk fat and protein synthesis. Our objective was to study, via quantitative real-time PCR, the expression of the ER stress pathway components P58IPK, PERK, XBP1, ATF4, ATF3, ATF6, CHOP, MBTPS1, GRP94, and BiP in mammary tissue (n=7 cows × 5 time points) collected at -15, 1, 15, 60, and 240 d relative to parturition. Expression of P58IPK and ATF4 increased to a peak at d 60, followed by a decrease by d 240 postpartum. Despite the decrease in expression by 240 d, P58IPK remained higher than prepartal levels (d -15). Expression patterns of ATF3 and CHOP were similar and peaked at d 15, followed by a decrease through d 240, at which point CHOP expression was still greater than prepartal levels. The sharp increase in milk production postpartum (d 15) as well as apoptosis during late lactation (240 d) may have induced a pseudo unfolded protein response state. This is supported by the similar expression patterns of P58IPK and PERK. In the context of lactation, however, transcriptional changes in the ER stress pathway at different stages of the lactation cycle are a normal aspect of the tissue's adaptation to the changing physiological state.
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Affiliation(s)
- G Invernizzi
- Mammalian NutriPhysioGenomics, Division of Nutritional Sciences, Department of Animal Sciences, University of Illinois, Urbana, Illinois 61801, USA
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Tomlinson MJ, Naeem A, Hopkisson JF, Campbell B. Brief Communication: Assessment and Validation of Nonspermicidal Condoms as Specimen Collection Sheaths for Semen Analysis and Assisted Conception. HUM FERTIL 2012; 15:140-3. [DOI: 10.3109/14647273.2012.718100] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Shah KH, Mustafa S, Waseem M, Naeem A. Chromium (III) removal by microporous ion exchanger Amberlite.120 (Na+): kinetic, equilibrium and thermodynamic studies. J IRAN CHEM SOC 2012. [DOI: 10.1007/s13738-012-0106-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Naeem A, Drackley J, Stamey J, Loor J. Role of metabolic and cellular proliferation genes in ruminal development in response to enhanced plane of nutrition in neonatal Holstein calves. J Dairy Sci 2012; 95:1807-20. [DOI: 10.3168/jds.2011-4709] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2011] [Accepted: 11/23/2011] [Indexed: 01/04/2023]
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Naeem A, Khan IM, Ahmad A. Spectral investigations of multiple charge transfer complex of p-nitrophenol as an electron acceptor with donor p-dimethylaminobenzaldehyde. Russ J Phys Chem 2011. [DOI: 10.1134/s0036024411100128] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Freeman J, Sapyta J, Garcia A, Fitzgerald D, Khanna M, Choate-Summers M, Moore P, Chrisman A, Haff N, Naeem A, March J, Franklin M. Still Struggling: characteristics of youth with OCD who are partial responders to medication treatment. Child Psychiatry Hum Dev 2011; 42:424-41. [PMID: 21484416 PMCID: PMC3134148 DOI: 10.1007/s10578-011-0227-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The primary aim of this paper is to examine the characteristics of a large sample of youth with OCD who are partial responders (i.e., still have clinically significant symptoms) to serotonin reuptake inhibitor (SRI) medication. The sample will be described with regard to: demographics, treatment history, OCD symptoms/severity, family history and parental psychopathology, comorbidity, and global and family functioning. The sample includes 124 youth with OCD ranging in age from 7 to 17 with a primary diagnosis of OCD and a partial response to an SRI medication. The youth are a predominantly older (age 12 and over), Caucasian, middle to upper income group who had received significant past treatment. Key findings include moderate to severe OCD symptoms, high ratings of global impairment, and significant comorbidity, despite partial response to an adequate medication trial. Considerations regarding generalizability of the sample and limitations of the study are discussed.
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Affiliation(s)
- J Freeman
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA.
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Naseem N, Naeem A, Reyazi N, Nagi A, Anwer S, Sami W. P40 Clinicopathological pattern, classification, p53 status, and staging of urinary bladder carcinomas – Six-year experience at a tertiary care hospital in central Punjab. EJC Suppl 2011. [DOI: 10.1016/j.ejcsup.2011.02.041] [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: 10/18/2022] Open
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Mahmood T, Saddique MT, Naeem A, Mustafa S, Dilara B, Raza ZA. Cation exchange removal of Cd from aqueous solution by NiO. J Hazard Mater 2011; 185:824-828. [PMID: 21030150 DOI: 10.1016/j.jhazmat.2010.09.094] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2010] [Revised: 09/09/2010] [Accepted: 09/26/2010] [Indexed: 05/30/2023]
Abstract
Detailed adsorption experiments of Cd from aqueous solution on NiO were conducted under batch process with different concentrations of Cd, time and temperature of the suspension. The solution pH is found to play a decisive role in the metal ions precipitation, surface dissolution and adsorption of metal ions onto the NiO. Preliminary adsorption experiments show that the selectivity of NiO towards different divalent metal ions follows the trend Pb>Zn>Co>Cd, which is related to their first hydrolysis equilibrium constant. The exchange between the proton from the NiO surface and the metal from solution is responsible for the adsorption. The cation/exchange mechanism essentially remains the same for Pb, Zn, Co and Cd ions. The sorption of Cd on NiO particles is described by the modified Langmuir adsorption isotherms. The isosteric heat of adsorption (ΔH) indicates the endothermic nature of the cation exchange process. Spectroscopic analyses provide evidence that Cd is chemisorbed onto the surface of NiO.
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Affiliation(s)
- T Mahmood
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Khyber Pukhtunkhwa 25120, Pakistan
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Mustafa S, Shah KH, Naeem A, Waseem M, Ahmad T, Sarfraz S, Irshad M. Kinetic and Equilibrium Studies of Chromium(III) Removal by Macroporous Ion Exchanger Amberlyst-15 (H+). CHINESE J CHEM 2010. [DOI: 10.1002/cjoc.201090031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Naeem A, Saddique MT, Mustafa S, Tasleem S, Shah KH, Waseem M. Removal of Co2+ ions from aqueous solution by cation exchange sorption onto NiO. J Hazard Mater 2009; 172:124-128. [PMID: 19631452 DOI: 10.1016/j.jhazmat.2009.06.155] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2008] [Revised: 06/25/2009] [Accepted: 06/29/2009] [Indexed: 05/28/2023]
Abstract
Batch adsorption technique was used to study the adsorption of cobalt on NiO. The aim of this work was to examine the effect of pH, concentration and temperature on the ion exchange removal of Co2+ from aqueous solution by the NiO surface. We used Langmuir model to interpret the adsorption data. The Kurbatov-type plots were tested to determine the adsorption mechanism. The kinetics of Co2+ adsorption on NiO was best described by film diffusion model. A well-known thermodynamic equation was used to assess the enthalpy and entropy of the system. The thermodynamic data were indicative of the spontaneous nature of the endothermic sorption process of Co2+ onto the NiO.
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Affiliation(s)
- A Naeem
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar 25120, Pakistan.
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Hussain J, Khan FU, Ur Rehman N, Ullah R, Mohmmad Z, Tasleem S, Naeem A, Shah MR. One new triterpene ester from Nepeta suavis. J Asian Nat Prod Res 2009; 11:997-1000. [PMID: 20183267 DOI: 10.1080/10286020903264085] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
One new tetracyclic triterpene ester (1) has been isolated from the chloroform-soluble portion of the whole plant of Nepeta suavis along with two known compounds, namely artemetin (2) and jaceidin (3). The structures of the isolated compounds were assigned on the basis of their (1)H and (13)C NMR spectra including two-dimensional NMR techniques such as COSY, HMQC, and HMBC experiments and comparison with the literature data.
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Affiliation(s)
- Javid Hussain
- Department of Chemistry, Kohat University of Science and Technology, Kohat, NWFP, Pakistan.
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Naeem A, Saleemuddin M, Khan RH. Compact acid-induced state of Clitoria ternatea agglutinin retains its biological activity. Biochemistry Moscow 2009; 74:1088-95. [DOI: 10.1134/s0006297909100046] [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] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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