Surgery (Austin & Northern Health) - Research Publications

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    SARS-CoV-2 infection and venous thromboembolism after surgery: an international prospective cohort study
    Li, E (WILEY, 2022-01)
    SARS-CoV-2 has been associated with an increased rate of venous thromboembolism in critically ill patients. Since surgical patients are already at higher risk of venous thromboembolism than general populations, this study aimed to determine if patients with peri-operative or prior SARS-CoV-2 were at further increased risk of venous thromboembolism. We conducted a planned sub-study and analysis from an international, multicentre, prospective cohort study of elective and emergency patients undergoing surgery during October 2020. Patients from all surgical specialties were included. The primary outcome measure was venous thromboembolism (pulmonary embolism or deep vein thrombosis) within 30 days of surgery. SARS-CoV-2 diagnosis was defined as peri-operative (7 days before to 30 days after surgery); recent (1-6 weeks before surgery); previous (≥7 weeks before surgery); or none. Information on prophylaxis regimens or pre-operative anti-coagulation for baseline comorbidities was not available. Postoperative venous thromboembolism rate was 0.5% (666/123,591) in patients without SARS-CoV-2; 2.2% (50/2317) in patients with peri-operative SARS-CoV-2; 1.6% (15/953) in patients with recent SARS-CoV-2; and 1.0% (11/1148) in patients with previous SARS-CoV-2. After adjustment for confounding factors, patients with peri-operative (adjusted odds ratio 1.5 (95%CI 1.1-2.0)) and recent SARS-CoV-2 (1.9 (95%CI 1.2-3.3)) remained at higher risk of venous thromboembolism, with a borderline finding in previous SARS-CoV-2 (1.7 (95%CI 0.9-3.0)). Overall, venous thromboembolism was independently associated with 30-day mortality (5.4 (95%CI 4.3-6.7)). In patients with SARS-CoV-2, mortality without venous thromboembolism was 7.4% (319/4342) and with venous thromboembolism was 40.8% (31/76). Patients undergoing surgery with peri-operative or recent SARS-CoV-2 appear to be at increased risk of postoperative venous thromboembolism compared with patients with no history of SARS-CoV-2 infection. Optimal venous thromboembolism prophylaxis and treatment are unknown in this cohort of patients, and these data should be interpreted accordingly.
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    Timing of surgery following SARS-CoV-2 infection: an international prospective cohort study
    Nepogodiev, D ; Simoes, JFF ; Li, E ; Picciochi, M ; Glasbey, JC ; Baiocchi, G ; Blanco-Colino, R ; Chaudhry, D ; AlAmeer, E ; El-Boghdadly, K ; Wuraola, F ; Ghosh, D ; Gujjuri, RR ; Harrison, EM ; Lule, H ; Kaafarani, H ; Khosravi, M ; Kronberger, I ; Leventoglu, S ; Mann, H ; Mclean, KA ; Mengesha, MG ; Marta Modolo, M ; Ntirenganya, F ; Norman, L ; Outani, O ; Pius, R ; Pockney, P ; Qureshi, AU ; Roslani, AC ; Satoi, S ; Shaw, C ; Bhangu, A ; Omar, OM ; Ahmed, W-U-R ; Argus, L ; Ball, A ; Bywater, EP ; Blanco-Colino, R ; Brar, A ; Chaudhry, D ; Dawson, BE ; Duran, I ; Elhadi, M ; Glasbey, JC ; Gujjuri, RR ; Jones, CS ; Harrison, EM ; Kamarajah, SK ; Keatley, JM ; Lawday, S ; Mann, H ; Marson, EJ ; Mclean, KA ; Norman, L ; Ots, R ; Outani, O ; Picciochi, M ; Santos, I ; Shaw, C ; Taylor, EH ; Trout, IM ; Varghese, C ; Venn, ML ; Xu, W ; Dajti, I ; Gjata, A ; Kacimi, SEO ; Boccalatte, L ; Cox, D ; Pockney, P ; Townend, P ; Aigner, F ; Kronberger, IE ; Samadov, E ; Alderazi, A ; Hossain, K ; Padmore, G ; van Ramshorst, G ; Lawani, I ; Cerovac, A ; Delibegovic, S ; Baiocchi, G ; Ataide Gomes, GM ; Buarque, IL ; Gohar, M ; Slavchev, M ; Nwegbu, C ; Agarwal, A ; Brar, A ; Martin, J ; Ng-Kamstra, J ; Olivos, M ; Lou, W ; Ren, D-L ; Andres Calvache, J ; J-Perez Rivera, C ; Hadzibegovic, AD ; Kopjar, T ; Mihanovic, J ; Aviles Jimenez, PM ; Gouvas, N ; Klat, J ; Novysedlak, R ; Amisi, N ; Christensen, P ; El-Hussuna, A ; Batista, S ; Lincango-Naranjo, E ; Emile, S ; Arevalo Sandoval, DA ; Dhufera, H ; Hailu, S ; Mengesha, MG ; Kauppila, JH ; Arnaud, AP ; Demetrashvili, Z ; Albertsmeier, M ; Lederhuber, H ; Loeffler, MW ; Acquah, DK ; Ofori, B ; Tabiri, S ; Metallidis, S ; Tsoulfas, G ; Aguilera-Arevalo, M-L ; Recinos, G ; Mersich, T ; Wettstein, D ; Ghosh, D ; Kembuan, G ; Milan, PB ; Khosravi, MH ; Mozafari, M ; Hilmi, A ; Mohan, H ; Zmora, O ; Gallo, G ; Pata, F ; Pellino, G ; Fujimoto, Y ; Kuroda, N ; Satoi, S ; Abou Chaar, MK ; Ayasra, F ; Fakhradiyev, I ; Hamdun, IHS ; Jin-Young, J ; Jamal, M ; Karout, L ; Elhadi, M ; Gulla, A ; Rasoaherinomenjanahary, F ; Samison, LH ; Roslani, AC ; Duran Sanchez, II ; Samantha Gonzalez, D ; Martinez, L ; Jose Martinez, M ; Nayen, A ; Ramos-De la Medina, A (WILEY, 2021-06)
    Peri-operative SARS-CoV-2 infection increases postoperative mortality. The aim of this study was to determine the optimal duration of planned delay before surgery in patients who have had SARS-CoV-2 infection. This international, multicentre, prospective cohort study included patients undergoing elective or emergency surgery during October 2020. Surgical patients with pre-operative SARS-CoV-2 infection were compared with those without previous SARS-CoV-2 infection. The primary outcome measure was 30-day postoperative mortality. Logistic regression models were used to calculate adjusted 30-day mortality rates stratified by time from diagnosis of SARS-CoV-2 infection to surgery. Among 140,231 patients (116 countries), 3127 patients (2.2%) had a pre-operative SARS-CoV-2 diagnosis. Adjusted 30-day mortality in patients without SARS-CoV-2 infection was 1.5% (95%CI 1.4-1.5). In patients with a pre-operative SARS-CoV-2 diagnosis, mortality was increased in patients having surgery within 0-2 weeks, 3-4 weeks and 5-6 weeks of the diagnosis (odds ratio (95%CI) 4.1 (3.3-4.8), 3.9 (2.6-5.1) and 3.6 (2.0-5.2), respectively). Surgery performed ≥ 7 weeks after SARS-CoV-2 diagnosis was associated with a similar mortality risk to baseline (odds ratio (95%CI) 1.5 (0.9-2.1)). After a ≥ 7 week delay in undertaking surgery following SARS-CoV-2 infection, patients with ongoing symptoms had a higher mortality than patients whose symptoms had resolved or who had been asymptomatic (6.0% (95%CI 3.2-8.7) vs. 2.4% (95%CI 1.4-3.4) vs. 1.3% (95%CI 0.6-2.0), respectively). Where possible, surgery should be delayed for at least 7 weeks following SARS-CoV-2 infection. Patients with ongoing symptoms ≥ 7 weeks from diagnosis may benefit from further delay.
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    Effects of pre-operative isolation on postoperative pulmonary complications after elective surgery: an international prospective cohort study
    Simoes, JFF ; Nepogodiev, D ; Ademuyiwa, A ; Buarque, I ; El-Boghdadly, K ; Gebreyohanes, M ; Glasbey, JC ; Kronberger, E ; Kruijff, S ; Li, E ; Loeffler, M ; Mashbari, H ; Pata, F ; Smart, N ; Sayyed, R ; Shu, S ; Sund, M ; Bhangu, A ; Simoes, J ; Ahmed, W-U-R ; Argus, L ; Ball, A ; Bhangu, A ; Bywater, EP ; Blanco-Colino, R ; Brar, A ; Chaudhry, D ; Dawson, BE ; Duran, I ; Elhadi, M ; Glasbey, JC ; Gujjuri, RR ; Jones, CS ; Harrison, EM ; Kamarajah, SK ; Keatley, JM ; Lawday, S ; Li, E ; Mann, H ; Marson, EJ ; Mclean, KA ; Nepogodiev, D ; Norman, L ; Ots, R ; Outani, O ; Picciochi, M ; Santos, I ; Shaw, C ; Simoes, JFF ; Taylor, EH ; Trout, IM ; Varghese, C ; Venn, ML ; Xu, W ; Dajti, I ; Gjata, A ; Kacimi, SEO ; Boccalatte, L ; Cox, D ; Pockney, P ; Townend, P ; Aigner, F ; Kronberger, IE ; Samadov, E ; Alderazi, A ; Hossain, K ; Padmore, G ; van Ramshorst, G ; Lawani, I ; Cerovac, A ; Delibegovic, S ; Baiocchi, G ; Ataide Gomes, GM ; Buarque, IL ; Gohar, M ; Slavchev, M ; Nwegbu, C ; Agarwal, A ; Brar, A ; Martin, J ; Ng-Kamstra, J ; Marta Modolo, M ; Olivos, M ; Lou, W ; Ren, D-L ; Andres Calvache, J ; Rivera, CJ-P ; Hadzibegovic, AD ; Kopjar, T ; Mihanovic, J ; Aviles Jimenez, PM ; Gouvas, N ; Klat, J ; Novysedlak, R ; Amisi, N ; Christensen, P ; El-Hussuna, A ; Batista, S ; Lincango-Naranjo, E ; Emile, S ; Arevalo Sandoval, DA ; Dhufera, H ; Hailu, S ; Mengesha, MG ; Kauppila, JH ; Arnaud, AP ; Demetrashvili, Z ; Albertsmeier, M ; Lederhuber, H ; Loeffler, MW ; Acquah, DK ; Ofori, B ; Tabiri, S ; Metallidis, S ; Tsoulfas, G ; Aguilera-Arevalo, M-L ; Recinos, G ; Mersich, T ; Wettstein, D ; Ghosh, D ; Kembuan, G ; Milan, PB ; Khosravi, MH ; Mozafari, M ; Hilmi, A ; Mohan, H ; Zmora, O ; Gallo, G ; Pata, F ; Pellino, G ; Fujimoto, Y ; Kuroda, N ; Satoi, S ; Abou Chaar, MK ; Ayasra, F ; Fakhradiyev, I ; Hamdun, IHS ; Jin-Young, J ; Jamal, M ; Karout, L ; Elhadi, M ; Gulla, A ; Rasoaherinomenjanahary, F ; Samison, LH ; Roslani, AC ; Duran Sanchez, II ; Samantha Gonzalez, D ; Martinez, L ; Jose Martinez, M ; Nayen, A ; Ramos-De la Medina, A ; Nunez, J ; Outani, O ; Nashidengo, PR ; Shah, R ; Shrestha, AL ; Jonker, P ; Kruijff, S ; Noltes, M ; Steinkamp, P ; Varghese, C ; Wright, D ; Abdur-Rahman, L ; Ademuyiwa, A ; Adisa, A ; Osinaike, B ; Seyi-Olajide, J ; Williams, O ; Williams, E ; Pejkova, S ; Al Balushi, Z ; Qureshi, AU ; Sayyed, R ; Mohsen, MA ; Abukhalaf, SA ; Cukier, M ; Gomez-Fernandez, H ; Shu Yip, S ; Vasquez Ojeda, XP ; Dione Sacdalan, M ; Major, P ; Azevedo, J ; Cunha, MF ; Santos, I ; Zarour, A ; Bonci, E-A ; Negoi, I ; Efetov, S ; Kochetkov, V ; Litvin, A ; Ingabire, JA ; Bucyibaruta, G ; Faustin, N ; Habumuremyi, S ; Imanishimwe, A ; de Dieu, HJ ; Munyaneza, E ; Ncogoza, I ; Alameer, E ; Ndong, A ; Radenkovic, D ; Chew, MH ; Koh, F ; Ngu, J ; Panyko, A ; Bele, U ; Kosir, JA ; Daoud, H ; Blanco-Colino, R ; Minaya Bravo, AM ; Jayarajah, U ; Wickramasinghe, D ; Adam, MEAE ; Rutegard, M ; Sund, M ; Adamina, M ; Gialamas, E ; Horisberger, K ; Alshaar, M ; Huang, A ; Lohsiriwat, V ; Charles, S ; Jlassi, H ; Isik, A ; Leventoglu, S ; Lekuya, HM ; Lule, H ; Kopetskyi, S ; Alsaadi, H ; Alshryda, S ; Alser, O ; Bankhead-Kendall, B ; Breen, K ; Kaafarani, H ; Mashbari, H ; Cal, FB ; Al-Naggar, H ; Maimbo, M ; Mazingi, D ; Abbott, T ; Adamina, M ; Akhbari, M ; Benson, R ; Bhanderi, S ; Biccard, B ; Caruana, E ; Chakrabortee, S ; Chapatwala, R ; Costas-Chavarri, A ; Demetriades, AK ; Desai, A ; Di Saverio, S ; Drake, T ; Edwards, J ; Evans, J ; Fiore, M ; Ford, S ; Fotopoulou, C ; Fowler, A ; Futaba, K ; Ganly, I ; James, HG ; Griffiths, E ; Gronchi, A ; Hutchinson, P ; Hyman, GY ; Incorvia, J ; Jain, R ; Jenkinson, M ; Khan, T ; Knight, SR ; Kolias, A ; Kudsk-Iversen, S ; Kwan, TY ; Leung, E ; Mayol, J ; McKay, S ; Meara, JG ; Mills, E ; Moug, S ; Patel, A ; Perinotti, R ; Rice, HE ; Roberts, K ; Schache, A ; Shaw, R ; Smart, N ; Stephens, M ; Stewart, GD ; Teasdale, E ; Vaughan-Shaw, P ; Vidya, R ; Wright, N ; Wuraola, F ; Zimmelman, N ; Agastra, E ; Thereska, D ; Martin Lucchini, S ; Laudani, V ; Boccalatte, L ; Chwat, C ; Pedraza Salazar, II ; Pantoja Pachajoa, DA ; Duro, A ; Calderon Arancibia, JA ; Cox, D ; D'Aulerio, G ; Dudi-Venkata, N ; Egoroff, N ; Farik, S ; Lott, N ; Moss, J-L ; Pockney, P ; Rennie, S ; Tan, L ; Varghese, C ; Vo, UG ; Watson, D ; Watters, D ; Wright, D ; Bright, T ; Hollington, P ; Zhou, X ; Kroon, HM ; Farfus, A ; Barker, J ; Watson, E ; Stevens, S ; Latif, H ; Dawson, AC ; Chuan, A ; Muralidharan, V ; Wong, E ; Ackermann, T ; Pacilli, M ; Hodgson, R ; Heriot, A ; Choong, P ; Brown, W ; Lidder, S ; Yeung, J ; Traeger, L ; Regalo, G ; Gourlay, R ; Pockney, P ; Badiani, S ; Koh, C ; Putnis, S ; Dawson, AC ; Haider, F ; Mitul, AR ; Komen, N ; Dhondt, B ; Cappeliez, S ; Pigeolet, M ; van Ramshorst, G ; Schoneveld, M ; Stijns, J ; Oosterlinck, W ; Flamey, N ; Kpangon, C ; Agbadebo, M ; Tobome, SR ; Cerovac, A ; Barros, AV ; Aguiar Junior, S ; Baiocchi, G ; do Amaral Campos, HG ; Gross, J ; Fernandez Coimbra, FJ ; Kowalski, LP ; Makdissi, F ; Nakagawa, S ; Duprat Neto, JP ; Vartanian, JG ; Yazbek, G ; Zequi, SC ; Flumignan, R ; Slavchev, M ; Jaworska, N ; Dell, A ; Shanthanna, H ; Martin, J ; Behzadi, A ; Nessim, C ; Mozel, M ; St-germain, P ; Russell, C ; Groot, G ; Safieddine, N ; Wijeysundera, D ; Eskander, A ; Chadi, S ; MacKenzie, S ; Flexman, A ; Heredia, F ; Marta Modolo, M ; Villanueva, J ; Waissbluth, S ; Macchiavello, R ; Escudero, MI ; Fuentes, T ; Mimica, X ; Olivos, M ; Bolivar Saenz, D ; Caicedo, L ; Pablo Alzate, J ; Luna, J ; Pedraza Alonso, NF ; Ortiz Silva, C ; Rodriguez, J ; Silva-Igua, L ; Torres, ML ; Maria Trujillo, L ; Nieto Calvache, AJ ; Balanta-Melo, J ; Figueroa-Casanova, R ; Garcia-Montoya, O-J ; Marulanda Toro, CA ; Velez Botero, M ; Mendoza Arango, MC ; Diaz Martinez, E ; Gutierrez Perdomo, V ; Montenegro, E ; Mihanovic, J ; Aviles Jimenez, PM ; Gouvas, N ; Novysedlak, R ; Rodriguez-Abreu, J ; Mejia, D ; Lincango-Naranjo, E ; Abouelnagah, G ; Shehata, S ; Rida, AHEF ; Hassan, RA ; Saad, MM ; Loaloa, MR ; Mostafa, B ; Qassem, M ; Fahmy, M ; Abozied, H ; Azzam, AY ; Ghozy, S ; Sallam, A ; Shehta, A ; Emile, S ; Abdelkhalek, M ; Samaka, R ; Morsy, A ; Sherif, AE ; Negussie, A ; Fisseha, T ; Shumbash, K ; Abebe, M ; Hailu, S ; Yasin, SM ; Akililu, YB ; Megersa, A ; Tefera, T ; Assefa, M ; Atnafu, B ; Tsegaye, B ; Bezabih, YS ; Sisay, S ; Bekele, K ; Jira, M ; Mengesha, MG ; Derilo, H ; Degefa, E ; Tadesse, A ; Nidaw, M ; Sarjanoja, E ; Kauppila, JH ; Testelin, S ; Boucher, S ; Jouffret, L ; Lakkis, Z ; Le Bian, AZ ; Harper, L ; des Deserts, MD ; Andre, B ; Slim, K ; Verhaeghe, R ; Police, A ; Girard, E ; Chebaro, A ; Nkembi, AS ; Arnalsteen, L ; Ballouhey, Q ; Mege, D ; Jeandel, C ; Duchalais, E ; Bouche, P-A ; Manceau, G ; Cretolle, C ; Hervieux, E ; Girard, N ; Seguin-Givelet, A ; Gaujoux, S ; De Simone, B ; Boisson, M ; Bergeat, D ; Arnaud, AP ; Fredon, F ; Nappi, F ; Kassir, R ; Scalabre, A ; Migliorelli, F ; Verhaeghe, R ; Ezanno, A-C ; Seeliger, B ; Vaysse, C ; Charbonneau, H ; Misrai, V ; Abbo, O ; Angeles, MA ; Brunaud, L ; Demetrashvili, Z ; Modabber, A ; Wolf, S ; Kamphues, C ; Hoehn, P ; Glowka, TR ; Rokohl, AC ; Bork, U ; Fluegen, G ; Horch, RE ; Schmedding, A ; Schnitzbauer, A ; Eberbach, H ; Schlager, D ; Spelsberg, F ; Keppler, L ; Hecker, A ; Wolfer, S ; Ronellenfitsch, U ; Nitschke, C ; Peiper, C ; Hakami, I ; Welter, S ; Nikolaieva, K ; Roth, A ; Lindert, J ; Gousias, K ; Rissmann, A ; Linz, VC ; Rahbari, N ; Rassweiler-Seyfried, M-C ; Gut, AE ; Gempt, J ; Reim, D ; Wagner, A ; Albertsmeier, M ; Keppler, AM ; Stoleriu, MG ; Saier, T ; Stadler, J ; Kaiser, JC ; Brunner, SM ; Pfister, K ; Herzberg, J ; Nowak, K ; Reinhard, T ; Stavrou, GA ; Koenigsrainer, A ; Konrads, C ; Quante, M ; Laban, S ; von Pusch, S ; Hirschburger, M ; Doerner, J ; Wiegering, A ; Tampaki, EC ; Gutierrez Ruiz, A ; Rodas, A ; Lucia Portilla, A ; Recinos, G ; Aguilera-Arevalo, M-L ; Carrera, J ; Duarte, AB ; Lowey, M ; Barillas, S ; Suroy, A ; Vaishnav, D ; Chowdappa, RG ; Madabhavi, I ; Bhat, D ; Venkatappa, SK ; Thakar, S ; Jain, K ; Kumar, A ; Nagar, M ; Mishra, T ; Sekar, A ; Gupta, A ; Kaman, L ; Karthigeyan, M ; Tripathi, M ; Rammohan, A ; Vayoth, SO ; Rajanbabu, A ; Subbian, A ; Gupta, R ; Raut, M ; Evelyn R, N ; Kannaiyan, L ; Matai, A ; Misra, S ; Bhende, V ; Muthu, S ; Ghosh, I ; Sharma, A ; Bajaj, A ; Rajan, S ; Agarwal, G ; Pawar, P ; Alexander, P ; Vijayakumar, MV ; Hameed, BMZ ; Badareesh, L ; Chaudhry, NK ; Baliarsing, L ; Dharap, S ; Kulkarni, A ; Thyavihally, Y ; Sharma, RD ; Pramesh, CS ; Soni, R ; Dube, SK ; Sharma, S ; Singh, H ; Bains, L ; Ghodke, R ; Kumar, A ; Sodhai, V ; Maji, S ; Basu, S ; Mahakalkar, C ; Kannan, R ; Mehraj, A ; Ranganath, N ; Phadnis, A ; Yadev, I ; Kavalaka, A ; Mittal, R ; Vallam, KC ; Akhavizadegan, H ; Maleki, ER ; Kandevani, NY ; Ikele, H ; McNestry, C ; Fleming, C ; O'Brien, S ; Abd Elwahab, S ; Davis, N ; Javadpour, M ; McDonnell, B ; Connor, CO ; Bolger, J ; Clancy, C ; Croghan, SM ; Donlon, N ; Cullinane, C ; Creavin, B ; Muheilan, M ; Earley, H ; Kabir, SMU ; Fahadullah, M ; Ryan, E ; Connelly, T ; Zmora, O ; Hashimoto, D ; Alqudah, MA ; Alajalen, A ; Omari, RY ; Ayasra, F ; Qasem, A ; Alawneh, Y ; Ahmad, A ; Aladawi, O ; Alrayes, B ; Haidar, H ; Husain, S ; Qassem, F ; Sumadi, A ; Abu Salhiyeh, A ; Al-Manaseer, BM ; Alsunna, Z ; Ra'ed, H ; Hamad, FRB ; Abuleil, A ; Abou Chaar, MK ; Jimaale, EAM ; Abu-Mehsen, M ; Olaywah, N ; Wafi, O ; Ababneh, H ; Abu-Ismail, L ; Khamees, A ; Alkhatib, A ; Bolatbekova, R ; Kulimbet, M ; Nurgozhin, T ; Saliev, T ; Zhussupov, B ; Almabayev, Y ; Fakhradiyev, I ; Saliev, T ; Kaidarova, D ; Tamoos, K ; Aqeelah, A ; Mohammed, AAK ; Al Maadany, F ; Alkadeeki, G ; Gahwagi, M ; Aldressi, W ; Amnaina, M ; Alansari, AHA ; Alkaseek, A ; Yagoub, G ; Ben Amer, A ; Salem, M ; Almugaddami, A ; Burgan, D ; Abdelkabir, M ; Alshareef, K ; Ben Jouira, RAI ; Meelad, A ; Bouhuwaish, A ; Dwaga, SE ; Khalifa, H ; Almiqlash, B ; Suliaman, T ; Alawami, M ; Elhajdawe, F ; Aboazamazem, H ; Ellojli, I ; Msherghi, A ; Saleh, IA ; Alayan, M ; Roslani, AC ; Ndayishyigikiye, MD ; Munyika, A ; Plarre, P ; Borowski, DW ; Nashidengo, PR ; Noltes, M ; Steinkamp, P ; Wells, C ; Teague, R ; Elliott, B ; Kieser, D ; Mohyieldin, O ; Varghese, C ; McIntosh, N ; Haran, C ; Rennie, S ; King, J ; Ha, J ; McGuinness, MJ ; Adesanya, O ; Olaogun, J ; Akinmade, A ; Bwala, K ; Agbonrofo, P ; Afolabi, A ; Usang, U ; Ekenze, S ; Olori, S ; Lawal, TA ; Seyi-Olajide, J ; Okunlola, A ; Ekiti, I ; Williams, O ; Adisa, A ; Abdur-Rahman, L ; Kache, S ; Sale, D ; Anyanwu, L-J ; Okereke, C ; Tolani, MA ; Filipce, V ; Todorovic, L ; Pejkova, S ; Stavridis, S ; Massoud, JG ; Alsibai, S ; Sultan, R ; Altaf, HN ; Bhatti, ABH ; Waqar, SH ; Aziz, A ; Kerawala, AA ; Rai, L ; Anwer, M ; Tariq, A ; Ayub, B ; Niazi, SU ; Naseem, MY ; Sarwar, MZ ; Khokhar, MI ; Zahid, IA ; Majid, HJ ; Talat, N ; Asif, M ; Chaudhary, MH ; Farooq, U ; Ahmad, S ; Mabood, W ; Bukhari, SI ; Tariq, M ; Yaqoob, E ; Javed, S ; Malik, MU ; Yaqoob, HN ; Cukier, M ; Falcon Pacheco, GM ; Mas Melendez, R ; Paucar Urbina, ADP ; Rios Chiuyari, J ; Otiniano Alvarado, CE ; Rivera Lau, LF ; Borda-Luque, G ; Niquen-Jimenez, M ; Arias, C ; Zegarra, S ; Betalleluz Pallardel, J ; Ugarte Oscco, RA ; Mendiola, G ; Carpio Colmenares, YT ; Zapata, CS ; Rosa Ortiz, M ; Dione Sacdalan, M ; Major, P ; Borges, FC ; Viveiros, O ; Serralheiro, P ; Santos-Costa, P ; Mendes, F ; Melo, MR ; Cardoso, P ; Soares, A ; Azevedo, J ; Pereira, RG ; Silva, N ; Caiado, A ; Sacras, ML ; Azevedo, P ; Almeida-Reis, R ; Cunha, MF ; Oliveira, J ; Nogueiro, J ; Sampaio-Alves, M ; Costa, LC ; Baia, C ; Deus, AC ; Branquinho, R ; Marcal, A ; Tojal, A ; Zarour, A ; Makkai-Popa, ST ; Mironescu, A ; Grama, F ; Toma, EA ; Negoi, I ; Filipescu, D ; Bacalbasa, N ; Motas, N ; Ionescu, S ; Ginghina, O ; Costea, R ; Zarnescu, NO ; Drasovean, R ; Bonci, E-A ; Dimofte, M-G ; Porumb, V ; Kirov, M ; Molitvin, Y ; Litvin, A ; Pykhteev, V ; Raevskaya, M ; Efetov, S ; Butyrskii, A ; Alshahrani, M ; Althumairi, A ; Alzerwi, N ; Al Ameer, A ; Madkhali, T ; Almulhim, AS ; Ghazwani, S ; Ayoub, A ; Iskander, O ; Ghunaim, M ; Alharthi, M ; Alzaidi, TM ; Althumairi, A ; Alyami, M ; Al Amri, A ; Althumairi, A ; AlFakhri, A ; Alhefdhi, A ; Chowdhury, S ; Nouh, T ; Alshehri, A ; Alzahrani, A ; Alalawi, Y ; Awad, S ; Konate, I ; Ndong, A ; Tendeng, J ; Teo, NZ ; Koh, F ; Kosir, JA ; Bele, U ; Aqil, S ; Barrena Lopez, C ; Sanchez Mozo, A ; Rodriguez Infante, A ; Caja Vivancos, P ; Prieto, M ; Alberdi San Roman, I ; Gomez Fernandez, L ; Munoz Vives, JM ; Carreras-Castaner, A ; Diaz-Feijoo, B ; Sieira-Gil, R ; Turrado-Rodriguez, V ; Sanchez Lopez, A ; Sanchez-Cabus, S ; Jimenez Toscano, M ; Canals Sin, MP ; Garcia Laura, S ; Martin Sole, O ; Palazon Bellver, P ; Perez-Bertolez, S ; Prat-Ortells, J ; Riba Martinez, M ; Rubio-Palau, J ; Tarrado, X ; Nunez, J ; Alonso Mendoza, V ; Bescos, C ; Espin-Basany, E ; Espinosa-Bravo, M ; Gil-Sala, D ; Gonzalez-Suarez, S ; Montferrer Estruch, N ; Porteiro Marino, L ; Rodriguez-Tesouro, A ; Rojas Portilla, F ; Tormos Perez, MP ; Vives, I ; Garcia De Cortazar, U ; Tudela, K ; Landaluce-Olavarria, A ; Estaire Gomez, M ; Almoguera, J ; Ugarte-Sierra, B ; Jimenez, V ; Bertrand, M ; Cardenas Puiggros, L ; Delisau-Puig, O ; Garcia-Adamez, J ; Julia Bergkvist, D ; Maldonado-Marcos, E ; Diego Garcia, L ; Roldon Golet, M ; Soto-Darias, I ; Cristina Rahy-Martin, A ; Enjuto, D ; Ramos-Luengo, A ; Delgado Fernandez, J ; Lugo Duarte, C ; Ojeda Thies, C ; Marquez, L ; Crego Vita, D ; Dziakova, J ; Minaya Bravo, AM ; Canno Velasco, J ; Mateo-Sierra, O ; Quintana-Villamandos, B ; Rey Valcarcel, C ; Rio, J ; Roman Garcia de Leon, L ; Di Martino, M ; Prada, J ; Serrano Gonzalez, J ; Losada, M ; Castell Gomez, JT ; Corripio-Sanchez, R ; Forero-Torres, A ; Manuel Morales-Puebla, J ; Perez-Chrzanowska, H ; Valderrabano Gonzalez, S ; Yebes, A ; Zapardiel, I ; Diez Alonso, M ; Morales Palacios, N ; Cabanero Sanchez, A ; Sanchez Fernandez, F ; Abad Gurumeta, A ; Abad-Motos, A ; Corella, F ; Ripolles-Melchor, J ; Sanz-Gonzalez, R ; Alcaraz Fuentes, M ; Fernandez Martin, MT ; Calvo Espino, P ; Carrasco Prats, M ; Fernandez-Lopez, A-J ; Garcia Escudero, D ; Garcia Soria, V ; Martinez Alonso, JA ; Ruiz-Marin, M ; Gomez Perez, B ; Moya-Angeler, J ; Fernandez Martinez, D ; Llaquet Bayo, H ; Colas-Ruiz, E ; Bella Romera, S ; Gavalda Pellice, MT ; Jorda Sole, M ; Ruiz Velasquez, EJ ; Nunez, B ; Jimenez, R ; Zabaleta, J ; Jose Gonzalez-Gimeno, M ; Ortega Vazquez, I ; Perez Ferrer, A ; Martin-Laez, R ; Moreno Suarez, M ; Freiria Eiras, MA ; Ramallo-Solis, I ; Gomez-Rosado, J-C ; Oliver Guillen, JR ; Achalandabaso Boira, M ; Catala Bauset, JC ; Domenech, J ; Badenes, R ; Carlos Bernal-Sprekelsen, J ; Sancho-Muriel, J ; De Andres-Asenjo, B ; Tejero-Pintor, FJ ; Vallve-Bernal, M ; Vazquez Melero, A ; Das, A ; Ganapathy, T ; Gunarasa, Y ; Mariapan, K ; Muniandy, M ; Osman, MF ; Azmi, MAFM ; Soh, JY ; Zain, WZW ; Zakaria, AD ; Zakaria, Z ; Chan, KH ; Hayati, F ; Johan, S ; Mah, JJ ; Sriram, RK ; Subramaniam, S ; Shahimi, NSBM ; Hamdan, KH ; Ibrahim, MR ; Muthkumaran, G ; Tan, JA ; Thanapal, MR ; Aziz, DAA ; Bastion, M-L ; Harun, MHN ; Imran, F-H ; Din, NM ; Zain, AM ; Mustapha, M ; Nabil, S ; Naffi, AA ; Nazimi, AJ ; Ramli, R ; Soon, BH ; Bal, P ; Cheng, JQ ; Draman, MR ; Fadzli, AN ; Ghauth, S ; Hung, W ; Jamaris, S ; Koh, PS ; Krishnasamy, S ; Lee, YS ; Liew, YT ; Lim, JZ ; Lim, RCS ; Lim, HC ; Pauzi, SFM ; Nah, SA ; Nair, AK ; Ng, DSW ; Yong, YJNW ; Ramayah, K ; Roslani, AC ; Saaid, R ; Sanmugam, A ; See, MH ; Seevalingam, KK ; Sethi, N ; Singaravel, S ; Ganapathy, T ; Gunarasa, Y ; Mariapan, K ; Muniandy, M ; Osman, MF ; Azmi, MAFM ; Soh, JY ; Zain, WZW ; Zakaria, AD ; Zakaria, Z ; Chan, KH ; Hayati, F ; Johan, S ; Mah, JJ ; Sriram, RK ; Subramaniam, S ; Zaidi, SNSJH ; Tang, CY ; Teoh, LY ; Wong, KB ; Xavier, R ; Yahaya, AS (WILEY, 2021-11)
    We aimed to determine the impact of pre-operative isolation on postoperative pulmonary complications after elective surgery during the global SARS-CoV-2 pandemic. We performed an international prospective cohort study including patients undergoing elective surgery in October 2020. Isolation was defined as the period before surgery during which patients did not leave their house or receive visitors from outside their household. The primary outcome was postoperative pulmonary complications, adjusted in multivariable models for measured confounders. Pre-defined sub-group analyses were performed for the primary outcome. A total of 96,454 patients from 114 countries were included and overall, 26,948 (27.9%) patients isolated before surgery. Postoperative pulmonary complications were recorded in 1947 (2.0%) patients of which 227 (11.7%) were associated with SARS-CoV-2 infection. Patients who isolated pre-operatively were older, had more respiratory comorbidities and were more commonly from areas of high SARS-CoV-2 incidence and high-income countries. Although the overall rates of postoperative pulmonary complications were similar in those that isolated and those that did not (2.1% vs 2.0%, respectively), isolation was associated with higher rates of postoperative pulmonary complications after adjustment (adjusted OR 1.20, 95%CI 1.05-1.36, p = 0.005). Sensitivity analyses revealed no further differences when patients were categorised by: pre-operative testing; use of COVID-19-free pathways; or community SARS-CoV-2 prevalence. The rate of postoperative pulmonary complications increased with periods of isolation longer than 3 days, with an OR (95%CI) at 4-7 days or ≥ 8 days of 1.25 (1.04-1.48), p = 0.015 and 1.31 (1.11-1.55), p = 0.001, respectively. Isolation before elective surgery might be associated with a small but clinically important increased risk of postoperative pulmonary complications. Longer periods of isolation showed no reduction in the risk of postoperative pulmonary complications. These findings have significant implications for global provision of elective surgical care.