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  1. Article: Chemical investigation of Swertia perfoliata

    Haqqani, M.H

    Fitoterapia. 1981. v. 52 (1)

    1981  

    Keywords plant physiology ; plant biochemistry
    Language English
    Size p. 5-6.
    Document type Article
    Note Summary in Italian.
    ZDB-ID 412385-2
    ISSN 1873-6971 ; 0367-326X
    ISSN (online) 1873-6971
    ISSN 0367-326X
    Database NAL-Catalogue (AGRICOLA)

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  2. Article: Xanthones and ursolic acid from Swertia species.

    Khan, M I / Ahmed, N / Haqqani, M H

    Planta medica

    1977  Volume 32, Issue 3, Page(s) 280–281

    MeSH term(s) Pakistan ; Plants, Medicinal/analysis ; Sitosterols/isolation & purification ; Triterpenes/isolation & purification ; Xanthines/isolation & purification
    Chemical Substances Sitosterols ; Triterpenes ; Xanthines
    Language English
    Publishing date 1977-11
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 123545-x
    ISSN 1439-0221 ; 0032-0943
    ISSN (online) 1439-0221
    ISSN 0032-0943
    DOI 10.1055/s-0028-1097601
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Chemical investigation of Swertia alata

    Khan, T.A / Haqqani, M.H / Nisar, N.M

    Planta medica. Oct 1979. v. 37 (2)

    1979  

    Keywords plant physiology ; plant biochemistry
    Language English
    Dates of publication 1979-10
    Size p. 180-181.
    Document type Article
    ZDB-ID 123545-x
    ISSN 1439-0221 ; 0032-0943
    ISSN (online) 1439-0221
    ISSN 0032-0943
    Database NAL-Catalogue (AGRICOLA)

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  4. Article: Chemical Investigation of Swertia alata

    Khan, Taj Ali / Haqqani, M. H. / Nisar, Nisar Mohammad

    Planta Medica

    1979  Volume 37, Issue 10, Page(s) 180–181

    Language English
    Publishing date 1979-10-01
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 123545-x
    ISSN 1439-0221 ; 0032-0943
    ISSN (online) 1439-0221
    ISSN 0032-0943
    DOI 10.1055/s-0028-1097323
    Database Thieme publisher's database

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  5. Article: XANTHONES AND URSOLIC ACID FROM SWERTIA SPECIES

    Khan, M. Israr / Ahmed, Naheed / Haqqani, M. H.

    Planta Medica

    1977  Volume 32, Issue 07, Page(s) 280–281

    Abstract: Chemical examination of the aerial part of Swertia angustifolia and Swertia paniculata has yielded ursolic acid, β-sitosterol, bellidifolin and hydroxy teteramethoxyxanthone. ...

    Abstract Chemical examination of the aerial part of Swertia angustifolia and Swertia paniculata has yielded ursolic acid, β-sitosterol, bellidifolin and hydroxy teteramethoxyxanthone.
    Language English
    Publishing date 1977-11-01
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 123545-x
    ISSN 1439-0221 ; 0032-0943
    ISSN (online) 1439-0221
    ISSN 0032-0943
    DOI 10.1055/s-0028-1097601
    Database Thieme publisher's database

    More links

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  6. Article ; Online: Mortality and pulmonary complications in patients undergoing surgery with perioperative SARS-CoV-2 infection

    Nepogodiev D. / Bhangu A. / Glasbey J.C. / Li E. / Omar O.M. / Simoes J.F. / Abbott T.E. / Alser O. / Arnaud A.P. / Bankhead-Kendall B.K. / Breen K.A. / Cunha M.F. / Davidson G.H. / Di Saverio S. / Gallo G. / Griffiths E.A. / Gujjuri R.R. / Hutchinson P.J. / Kaafarani H.M. /
    Lederhuber H. / Loffler M.W. / Mashbari H.N. / Minaya-Bravo A. / Morton D.G. / Moszkowicz D. / Pata F. / Tsoulfas G. / Venn M.L. / Cox D. / Roslani A.C. / Alakaloko F. / de Vries J.-P.P. / Aaraj M.A. / Abbott S.J. / Abdalla M.O. / Abdelaal A.S. / Ademuyiwa A.O. / Aherne T.M. / Ali O.M. / Alkadeeki G.Z. / Almeida A.C. / Alrahawy M.M. / Ambler G.K. / Alameer E. / Andreani S.M. / De Andres-Asenjo B. / Antonanzas L.L. / Aoun S.G. / Ashoush F.M. / Augestad K.M. / Avellana R.B. / Ayeni F.A. / Ayorinde J.O. / Babu B.H. / Baig M.M. / Bajomo O.M. / Baker O.J. / Baker M.P. / Baldwin A.J. / Ban V.S. / Baron R.D. / Barranquero A.G. / Barry C.P. / DI Bartolomeo A. / Bass G.A. / Bath M.F. / Batjer H.H. / Beamish A.J. / Belgaumkar A.P. / Bence M.N. / Benson R.A. / Bernal-Sprekelsen J.C. / Bhama A.R. / Bhavaraju A.V. / Biffl W.L. / Blundell C.M. / Boddy A.P. / Borgstein A.B. / Bosanquet D.C. / Bosch K.D. / Bouhuwaish A.E. / Bozkurt M.A. / Brathwaite C.E. / Brown B.C. / Brown O.D. / Brown A.K. / Buarque I.L. / Bueno-Canones A.D. / Bulugma M.R. / Burke J.R. / Byrne M.H. / Cagigal-Ortega E.P. / Callcut R.A. / DI Candido F. / Canova M.E. / Carlos W.J. / Caruana E.J. / Cato L.D. / Catton A.B. / Ceretti A.P. / Chase T.J. / Chiara F.D. / Chowdhury A.H. / Chung E.A. / Cicerchia P.M. / Clough E.C. / Coleman N.L. / Collins C.G. / Collins M.L. / Colonna E.T. / Comini L.V. / Coughlin P.A. / Cruzado L.F.-G. / Davidson B.R. / Davies R.J. / Davies E.J. / Davis N.F. / Dawson B.E. / Dean B.J. / Delgado M.G.-C. / Diaz J.J. / Dickson K.E. / Diez-Alonso M.M. / Dixon J.R. / Doe M.J. / Drake T.D. / Drake F.T. / Duffy J.P. / Dunne D.F. / Dunne N.J. / Duran-Munoz-Cruzado V.M. / Durst A.Z. / Eardley N.J. / Edwards J.G. / Elfallal A.H. / Elfiky M.M. / Elliott J.A. / Emile S.H. / Emslie K.M. / Endorf F.W. / Engel J.L. / Enjuto D.T. / Etchill E.W. / Evans J.P. / Fahey B.A. / Faria C.S. / Feo C.V. / Ferguson H.J. / Fernandez B.D. / Fernandez A.G. / Fernandez A.J. / Fernandez-Pacheco B.C. / Fitzgerald J.E. / Fonsi G.B. / Font R.F. / Fowler A.L. / Fretwell K.R. / Fructuoso L.S. / Fusai G.K. / Garcia M.H. / Garcia-Urena M.A. / Gill C.K. / Gisbertz S.S. / Del Giudice R. / Giuffrida M.C. / Di Giuseppe M. / Gomez M.F. / Guariglia C.A. / Hainsworth A.J. / Hall B.J. / Hall J.R. / Hammond J.S. / Haqqani M.H. / Harrison E.M. / Hazelton J.P. / van Heinsbergen M. / Hill A.D. / Hing C.B. / Hirji S.A. / Ho M.W. / Holbrook C.M. / Holme T.J. / Hopkins J.C. / Hopkinson D.N. / Hossain F.S. / Hudson V.E. / Hughes J.L. / Hwang E.S. / Ibrahim M.A. / Isolani S.M. / Jenkinson M.D. / Jenny H.E. / Jeyaretna D.S. / Jones R.P. / Jones A.P. / Jonker P.K. / Jonsson M.L. / Joyce D.P. / Kalkwarf K.J. / Kamarajah S.K. / El Kassas M. / Kavanagh D.O. / Keatley J.M. / Khalefa M.A. / Khan J.S. / Kirmani B.H. / Kisiel A.P. / Kouris S.M. / Kowal M.R. / Labib P.L. / Larkin J.O. / Lauscher J.C. / Leclercq W.K. / Ledesma F.S. / Leite-Moreira A.M. / Leung E.Y. / Lewis S.E. / Lima M.J. / Lin D.J. / Liu H.H. / Lowery A.J. / Lozano S.M. / Luney C.R. / Maia M.M. / Mariani N.M. / Marino M.V. / Marra A.A. / Marsh C.L. / Martin R.C. / McCluney S.J. / McIntyre R.C. / Mckay S.C. / McKevitt K.L. / Meagher A.D. / Mehdi M.Q. / Mehigan B.J. / Gonzalez-De Miguel M. / De Miguel-Ardevines M.-C. / Mills S.J. / Mohan H.M. / Moir J.A. / Monson J.R. / Monteiro J.M. / Montella M.T. / Montesinos C.S. / Morgom M.M. / Moura F.S. / Muguerza J.M. / Murphy S.H. / De Nardi P. / Naumann D.N. / Neary P.C. / Neely D.T. / Ng-Kamstra J.S. / Ngu A.W. / Nguyen T.A. / Nita G.E. / Nunes Q.M. / Nygaard R.M. / O'Meara L.B. / O'Neill J.R. / Okafor B.U. / Olson S.A. / Oo A.Y. / Ormazabal P.C. / Osorio A.L. / Pachl M.J. / Parry J.T. / Patel P.K. / Perez-Sanchez L.E. / Pevidal A.N. / Pezzuto A.P. / Philp M.M. / Pinkney T.D. / Pollok J.M. / Povey M.G. / Poza A.A. / Rajgor A.D. / Rao J.N. / Raptis D.A. / Rice H.E. / Ridgway P.F. / Rivas A.M. / Rodriguez-Sanjuan J.C. / Rogers L.J. / Da Roit A. / Rollett R.A. / Romera J.L. / Rooney S.M. / Roxo V.I. / Le Roy B. / Rubio E.E. / Ruiz C.C. / Ruiz M.L. / Ryan E.J. / Saad A.R. / Saeed S.A. / Salama H.A. / Salamah A.A. / Sampietro G.M. / Sarma D.R. / Schaffer K.B. / Schnitzbauer A.A. / Scurrah R.J. / Serevina O.L. / Serralheiro P.A. / Sewards J.M. / Shackcloth M.J. / Shaw A.V. / Sheel A.R. / Sica G.S. / De Simone V. / Singh A.A. / Singh R.P. / Skelly B.L. / Smith H.G. / Sohail A.H. / Spalding D.R. / Springford L.R. / Ssentongo A.E. / Steinkamp P.J. / Stevens K.A. / Stewart G.D. / Stylianides N.A. / Sullivan T.B. / Taher A.S. / Tamimy M.S. / Tang A.M. / Tebala G.D. / Tejero-Pintor F.J. / Thaha M.A. / Thomas A.J. / De Toma G. / La Torre F. / Torres A.J. / Townshend D.N. / Trout I.M. / Tucker S.C. / Ubhi H.K. / Vega V.A. / Velmahos G.C. / Velopulos C.G. / Viswanath Y.K. / Vivas A.A. / Wade R.G. / Wadley M.S. / Wall J.J. / Walters A.M. / Warren O.J. / Weerasinghe C.K. / Wilkin R.J. / Williams K.J. / Winter S.C. / Wormald J.C. / Wright F.L. / Xyda S.E. / Young A.L. / Youssef M.M. / Yousuf F.B. / El Youzouri H. / Zappa M.A. / Abate E. / Abdalaziz H. / Abdelkarim M. / Abdou H. / Aboelkassem-Ibrahim A. / Abuown A. / Acebes-Garcia F. / Acharya M. / Adamina M. / Addae-Boateng E. / Aftab R. / Agarwal A. / Aguilar J. / Ahmed Y. / Aitken E. / Al-Azzawi M. / Al-Embideen S. / Al-Masri M. / Al-Najjar H. / Al-Sukaini A. / Alam R. / Alderson D. / Aliyeva Z. / Aljanadi F. / Almasri M. / Alonso-Ortuno P. / Altintoprak F. / Amira G. / Amjad R. / Anania G. / Andabaka T. / Angelou D. / Annamalai S. / Annessi V. / Anthoney J. / Anwar S. / Anwer M. / Aragon-Chamizo J. / Ardito A. / Arigoni M. / Armao T. / Arminio A. / Armstrong L. / Arnaud A. / Asaad P. / Ashcroft J. / Ashmore C. / Asqalan A. / Asti E. / Aubry E. / Aytac E. / Ayuso-Herrera E. / Baeza M. / Bailon-Cuadrado M. / Bakmaz B. / Baldi C. / Baldini E. / Baldo S. / Ballabio M. / Baloyiannis I. / Baltazar G. / Bambina F. / Bandiera A. / Barlow E. / Barmasse R. / Barmpagianni C. / Baronio G. / Barra F. / Bartsch A.-M. / Basgaran A. / Basha A. / Bashkirova V. / Bastazza M. / Baumber R. / Belcher E. / Belvedere A. / Benitez-Linero I. / Bergeat D. / Bernasconi M. / Bhalla A. / Bhutiani N. / Bianco F. / Bisagni P. / Blake I. / Blanco-Colino R. / Blazquez-Martin A. / Boal M. / Bonavina L. / Bonavina G. / Bond-Smith G. / Booth K. / Borges F. / Borghi F. / Bouchagier K. / Bourke G. / Boyle E. / Brachini G. / Brain J. / Brar A. / Breckles L. / Bretagnol F. / Brixton G. / Bruzzaniti P. / Bueser T. / Burnside N. / Caballero A. / Calcerrada-Alises E. / Callahan M. / Camarero E. / Campagnaro T. / Campanelli M. / Candiani M. / Cantalejo-Diaz M. / Cao H. / Capelli P. / Capizzi V. / Carcano G. / Carissimi F. / Carlini M. / Carlucci M. / Carmichael H. / Carrasco M. / Carrillo M. / Carvello M. / Casati M. / Castoro C. / Catalan V. / Cavaleiro S. / Cellerino P. / Centinaio G. / Cernei C. / Cerro C. / Cervellera M. / Chakrabortee S. / Chamberlain S. / Chan J. / Chang G. / Chaudhry D. / Chebaro A. / Chen D. / Chetty G. / Chia Z. / Chiappini A. / Chiarugi M. / Chidambaram S. / Chiozza M. / Cholewa H. / Chong C. / Choolani-Bhojwani E. / Christoforidis D. / Chui K. / Chung C. / Cirillo B. / Citterio D. / Clermidi P. / Coccolini F. / Colletti G. / Compagnoni B. / Concepcion-Martin V. / Confalonieri M. / Connolly H. / Conso C. / Conti L. / Cooper Z. / Cordera F. / Corral J. / Costa M. / Costanzi A. / Cotsoglou C. / Cozza V. / Cuming T. / Curtis M. / Cuschieri J. / D'Agruma M. / D'Andrea G. / Daliya P. / Dare O. / Darko E. / Day A. / Dehal A. / Dehart D. / Delgado-Oliver E. / Denning M. / Desai A. / Desender L. / Dester S. / Diaz-Garcia A. / Diaz-Pena P. / Dousset B. / Doussot A. / Duchateau N. / Duff S. / Dunning J. / Duque-Mallen V. / Dziakova J. / Egan B. / Egan R. / El-Ali A. / Elfeki H. / Elhadi M. / Eljareh M. / Elkady R. / Elkhafeefi F. / Elmore U. / Elmoslemany T. / Emmerson O. / Enemosah I. / English C. / English W. / Escartin J. / Estaire-Gomez M. / Evans L. / Evans J. / Exley R. / Fabbri N. / Falco G. / Familiari P. / Fancellu A. / Farik S. / Farrell T. / Fehervari M. / Fell A. / Fernandez-Camunas A. / Fernandez-Marin R. / Fernandez-Martinez M. / Ferrara F. / Ferrari G. / Ferrero S. / Findlay L. / Fiore M. / Fiori E. / Flatman M. / Flindall I. / Flor B. / Fontana T. / Ford S. / Ford D. / Forlani S. / Francone E. / Frattaruolo C. / Frio F. / Gagliano A. / Gagliardi F. / Gahunia S. / Gaino F. / Gala T. / Galfrascoli E. / Galimberti L. / Gallagher P. / Galleano R. / Galvan-Perez A. / Gammeri E. / Ganau M. / Garces-Garcia R. / Garulli G. / Gascon-Ferrer I. / Gattolin A. / Gaujoux S. / Gentilli S. / Georgiades F. / Ghanbari A. / Ghosh D. / Giacometti M. / Giblin A.-V. / Gilbert C. / Gimenez C. / Giorgakis E. / Gipponi M. / Glen P. / Goatly G. / Gobatti D. / Godbole C. / Gohil K. / Gomez M. / Gomez-Rosado J.-C. / Gonullu E. / Gonzalez-Gonzalez E. / Gordini L. / Gracia I. / Gracia-Roche C. / Granieri S. / Green S. / Grivon M. / Grove T. / Guaglio M. / Guaitoli E. / Guglielmi A. / Guha S. / Gustavino C. / Habeeb A. / Hagger R. / Hakmi H. / Halkias C. / Hall C. / Hampton M. / Handa S. / Hansen L. / Haq I. / Harky A. / Harries R. / Harrison J. / Hasan R. / Hawari M. / Hawkin P. / Hebblethwaite B. / Henriques S. / Heritage E. / Hernandez-Juara P. / Herrero-Lopez M. / Hervieux E. / Heyd B. / Higgs S. / Hitchman L. / Ho B. / Hogan A. / Holzle F. / Hossain T. / Hurt L. / Hutchinson P. / Iacob G. / Iannone I. / Ibrahim S. / Iovino D. / Isik A. / Jafarova S. / Jamil T. / Jayaraju U. / Jenner E. / Jimenez-Higuera E. / Jimeno J. / Jones M. / Judkins N. / Kalavrezos N. / Kalidindi V. / Kalkat M. / Kamal M. / Kamphues C. / Kang C. / Kara Y. / Karam E. / Karim A. / Kashora F. / Kearney D. / Khajuria A. / Khan U. / Khan A. / Khatri C. / Kinnaman G. / Kinross J. / Kler A. / Klimopoulos S. / Kocatas A. / Kolias A. / Konigsrainer A. / Konsten J. / Kontovounisios C. / Kourdouli A. / Krishnan E. / Kristinsson S. / Kruijff S. / Kudsk-Iversen S. / Kufeji D. / Kugler N. / Kulkarni R. / Kurihara H. / Laface L. / Lakkis Z. / Lami M. / Landaluce-Olavarria A. / Lapolla P. / Lawani I. / Lawday S. / Lazaro A. / Lecolle K. / Leventoglu S. / Li Z. / Liew I. / Lisi G. / Lizzi V. / Lo T. / Lomiento D. / Longhi M. / Lostis E. / Lostoridis E. / Loubani M. / Lowy-Benoliel A. / Lucianetti A. / Luke L. / Lunevicius R. / Luraghi M. / Lye G. / Mabrouk I. / Macchi A. / MacDonald L. / Machairas N. / Madonini M. / Magowan D. / Maisonneuve E. / Majkowska A. / Majkowski L. / Mak J. / Malabarba S. / Malerba M. / Mannan S. / Manson J. / Mansuri A. / Mantoglu B. / Manu N. / Maqsood A. / Marano A. / Marchbank A. / Marcos-Santos P. / Marrano E. / Martin J. / Martin E. / Martin G. / Martin-Albo L. / Martin-Roman L. / Martinelli F. / Martinez-dePaz F. / Martinez-German A. / Martinez-Pinedo C. / Martins R. / Marwan H. / Marzi F. / Mathieu P. / Matute-Najarro M.-S. / Maw A. / Mazingi D. / Mazzaferro V. / McCanny A. / McKenzie K. / McLarty N. / McPherson I. / Medina E. / Mediratta S. / Medone M. / Mehra G. / Mele S. / Melero-Cortes L. / Mendoza-Moreno F. / Meneghini S. / Mercante G. / Merdrignac A. / Merola S. / Metallidis S. / Michel M. / Migliore M. / Mihanovic J. / Miller D. / Mingoli A. / Minto G. / Mirabella A. / Misra N. / Mitrasinovic S. / Miu V. / Moawad N. / Mochet S. / Modabber A. / Mohammad A. / Mohan M. / Moliner-Sanchez C. / Mongelli F. / Monteleone M. / Montuori M. / Moore R. / Mora-Guzman I. / Morales X. / Morales D. / Morelli L. / Morgan R. / Morris C. / Mortini P. / Mosca A. / Motter D. / Moug S. / Mukherjee S. / Najdy M. / Nakas A. / Namazov I. / Naredla P. / Nasef E. / Nassa H. / Nath R. / Navarro-Sanchez A. / Nazarian S. / Negri G. / Nehra D. / Neil-Dwyer J. / Neri J. / Newton K. / Nikaj H. / Niquen M. / Nobile S. / Nogueiro J. / Ntirenganya F. / Nugent M. / Nunez J. / Ocana J. / Okechukwu V. / Oliva-Mompean F. / Oliveira A. / Ollat D. / Onos L. / Osagie-Clouard L. / Osman K. / Ottolina J. / Ourieff J. / Outani O. / Oyewole B. / Ozben V. / Pacheco-Sanchez D. / Padilla-Valverde D. / Pai M. / Paiella S. / Paisley S. / Palini G. / Palmeri M. / Panahi P. / Parente A. / Parlanti D. / Parmar C. / Pascual A. / Patel M. / Pathak A. / Patil S. / Pattyn P. / Peckham-Cooper A. / Pedrazzani C. / Pellino G. / Peluso C. / Pereira A. / Pereira-Neves A. / Perez-Diaz M.D. / Perez-Gonzalez M. / Perez-Saborido B. / Perivoliotis K. / Perkins C. / Peros G. / Perotto O. / Perra T. / Petrone P. / Phenix G. / Picazo S. / Picon-Rodriguez R. / Piloni M. / Pingarron-Martin L. / Pinotti E. / Pisanu A. / Pizzini P. / Pockney P. / Podda M. / Podolsky D. / Poggioli G. / Pompili C. / Pontari M. / Porcu A. / Potter R. / Price C. / Pruvot F.-R. / Pujol-Muncunill R. / Puppo A. / Quante M. / Quintana-Villamandos B. / Qureshi A. / Radenkovic D. / Rakvin I. / Ramallo-Solis I. / Ramcharan S. / Ramos D. / Ramos-Bonilla A. / Ramzi J. / Rathinam S. / Rausa E. / Ravaioli M. / Ravindran S. / Raymond T. / Razik A. / Redfern J. / Reguera-Rosal J. / Rela M. / Rey-Biel J. / Rey-Valcarcel C. / Ribolla M. / Richards T. / Richmond M. / Righini E. / Rio-Gomez J. / Riyat H. / Rizvi S. / Roberts K. / Roberts M. / Robertson S. / Robertson R. / Robin-Valle A. / Rochon M. / Rojo M. / Rolli L. / Romano S. / Ross E. / Ross H. / Rossborough C. / Rottoli M. / Ruiz-Grande F. / Ruiz-Martin I. / Ruiz-Soriano M. / Ruzzenente A. / Ryska O. / Saez C. / Sagnotta A. / Sahnan K. / Sahni A. / Salim A. / Sallam I. / Salvia R. / Samadov E. / Sammarco G. / Sampaio-Alves M. / Sanchez-Arteaga A. / Sanchez-Fuentes M.-N. / Sanchez-Pelaez D. / Sanchez-Perez C. / Sanchez-Rubio M. / Sancho-Muriel J. / Sanders J. / Santero-Ramirez M.-P. / Santora T. / Santoro A. / Santos I. / Santos-Sousa H. / Sapienza P. / Sartarelli L. / Sarveswaran J. / Sasia D. / Saudemont A. / Saudi-Moro S. / Saxena S. / Saxena D. / Sayasneh A. / Scalabre A. / Schache A. / Schiavina R. / Schineis C. / Schreckenbach T. / Scorza A. / Scott L. / Seegert S. / Seguin-Givelet A. / Senent-Boza A. / Seymour K. / Shabana A. / 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G.S. / Mateo-Sierra O. / Martinez-Perez C. / Serrano Gonzalez J. / Hernandez Bartolome M.A. / Diaz Perez D. / Gutierrez Samaniego M. / Galindo Jara P. / Sharma N. / Smart N.J. / Keller D.S.

    an international cohort study

    2020  

    Abstract: Background: The impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on postoperative recovery needs to be understood to inform clinical decision making during and after the COVID-19 pandemic. This study reports 30-day mortality and ... ...

    Abstract Background: The impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on postoperative recovery needs to be understood to inform clinical decision making during and after the COVID-19 pandemic. This study reports 30-day mortality and pulmonary complication rates in patients with perioperative SARS-CoV-2 infection. Methods: This international, multicentre, cohort study at 235 hospitals in 24 countries included all patients undergoing surgery who had SARS-CoV-2 infection confirmed within 7 days before or 30 days after surgery. The primary outcome measure was 30-day postoperative mortality and was assessed in all enrolled patients. The main secondary outcome measure was pulmonary complications, defined as pneumonia, acute respiratory distress syndrome, or unexpected postoperative ventilation. Findings: This analysis includes 1128 patients who had surgery between Jan 1 and March 31, 2020, of whom 835 (74·0%) had emergency surgery and 280 (24·8%) had elective surgery. SARS-CoV-2 infection was confirmed preoperatively in 294 (26·1%) patients. 30-day mortality was 23·8% (268 of 1128). Pulmonary complications occurred in 577 (51·2%) of 1128 patients; 30-day mortality in these patients was 38·0% (219 of 577), accounting for 81·7% (219 of 268) of all deaths. In adjusted analyses, 30-day mortality was associated with male sex (odds ratio 1·75 [95% CI 1·28–2·40], p<0·0001), age 70 years or older versus younger than 70 years (2·30 [1·65–3·22], p<0·0001), American Society of Anesthesiologists grades 3–5 versus grades 1–2 (2·35 [1·57–3·53], p<0·0001), malignant versus benign or obstetric diagnosis (1·55 [1·01–2·39], p=0·046), emergency versus elective surgery (1·67 [1·06–2·63], p=0·026), and major versus minor surgery (1·52 [1·01–2·31], p=0·047). Interpretation: Postoperative pulmonary complications occur in half of patients with perioperative SARS-CoV-2 infection and are associated with high mortality. Thresholds for surgery during the COVID-19 pandemic should be higher than during normal practice, particularly in men aged 70 years and older. Consideration should be given for postponing non-urgent procedures and promoting non-operative treatment to delay or avoid the need for surgery. Funding: National Institute for Health Research (NIHR), Association of Coloproctology of Great Britain and Ireland, Bowel and Cancer Research, Bowel Disease Research Foundation, Association of Upper Gastrointestinal Surgeons, British Association of Surgical Oncology, British Gynaecological Cancer Society, European Society of Coloproctology, NIHR Academy, Sarcoma UK, Vascular Society for Great Britain and Ireland, and Yorkshire Cancer Research.
    Keywords Adult ; Aged ; Betacoronavirus ; Coronavirus Infections ; Elective Surgical Procedures ; Emergency Medical Services ; Female ; Hospital Mortality ; Humans ; Male ; Middle Aged ; Pandemics ; Pneumonia ; Viral ; Postoperative Complications ; Respiratory Tract Diseases ; Retrospective Studies ; Surgical Procedures ; Operative ; Young Adult ; covid19
    Subject code 610 ; 616
    Language English
    Publishing country it
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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