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Keyvan Karkouti

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TOP 3
Michael D Jain; Keyvan Karkouti; Jacob M Pendergrast; Terrence Yau; Rosa Cabrerizo-Sanchez; Christine M Cserti-Gazdewich
Seek and you shall find-but then what do you do? Cold agglutinins in cardiopulmonary bypass and a single-center experience with cold agglutinin screening before cardiac surgery.
Nusrat Zaffar; Alan Tinmouth; Jeannie Callum; Christine Cserti-Gazdewich; Ashley Joseph; Keyvan Karkouti; C David Mazer; Rosane Nisenbaum; Katerina Pavenski; Mark D Peterson; Nadine Shehata
The rationale for platelet transfusion during cardiopulmonary bypass: an observational study.
Keyvan Karkouti; Ping Li; Thérèse A Stukel; W Scott Beattie; Rachel Berger; Susie elSaadany; Duminda N Wijeysundera
Relationship of erythrocyte transfusion with short- and long-term mortality in a population-based surgical cohort.

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2013: Michael D Jain; Keyvan Karkouti; Jacob M Pendergrast; Terrence Yau; Rosa Cabrerizo-Sanchez; Christine M Cserti-Gazdewich
Seek and you shall find-but then what do you do? Cold agglutinins in cardiopulmonary bypass and a single-center experience with cold agglutinin screening before cardiac surgery.
Transfusion medicine reviews 2013;27(2):65-73.
2013: Nusrat Zaffar; Alan Tinmouth; Jeannie Callum; Christine Cserti-Gazdewich; Ashley Joseph; Keyvan Karkouti; C David Mazer; Rosane Nisenbaum; Katerina Pavenski; Mark D Peterson; Nadine Shehata
The rationale for platelet transfusion during cardiopulmonary bypass: an observational study.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2013;60(4):345-54.
2012: Keyvan Karkouti; Ping Li; Thérèse A Stukel; W Scott Beattie; Rachel Berger; Susie elSaadany; Duminda N Wijeysundera
Relationship of erythrocyte transfusion with short- and long-term mortality in a population-based surgical cohort.
Anesthesiology 2012;117(6):1175-83.
2012: W Scott Beattie; Michael Farkouh; Keyvan Karkouti; Stuart McCluskey; Andrew Steel; Gordon Tait; Paul Yip; Duminda N Wijeysundera
Use of clinically based troponin underestimates the cardiac injury in non-cardiac surgery: a single-centre cohort study in 51,701 consecutive patients.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2012;59(11):1013-22.
2012: Keyvan Karkouti; Stuart A McCluskey; Duminda N Wijeysundera; Pui-Yuen Wong; Terrence M Yau; Christopher T Chan; Mark A Crowther; Siroos Hozhabri; W Scott Beattie
Advance targeted transfusion in anemic cardiac surgical patients for kidney protection: an unblinded randomized pilot clinical trial.
Anesthesiology 2012;116(3):613-21.
2011: Keyvan Karkouti; Jerrold H Levy
Commentary: recombinant activated factor VII: the controversial conundrum regarding its off-label use.
Anesthesia and analgesia 2011;113(4):711-2.
2011: Keyvan Karkouti; Jerrold H Levy
A hemorrhage of off-label use.
Annals of internal medicine 2011;155(5):339; author reply 339-40.
2011: Keyvan Karkouti; Stuart A McCluskey; Duminda N Wijeysundera; Pui-Yuen Wong; Terrence M Yau; Christopher T Chan; W Scott Beattie
Influence of erythrocyte transfusion on the risk of acute kidney injury after cardiac surgery differs in anemic and nonanemic patients.
Anesthesiology 2011;115(3):523-30.
2011: Marco Ranucci; Frank W Sellke; Linda Shore-Lesserson; Christian von Heymann; Solomon Aronson; Wulf Dietrich; Cornelius M Dyke; Axel Hofmann; Keyvan Karkouti; Marcel Levi; Gavin J Murphy
Patient blood management during cardiac surgery: do we have enough evidence for clinical practice?
The Journal of thoracic and cardiovascular surgery 2011;142(2):249.e1-32.
2011: W Scott Beattie; Keyvan Karkouti
The post-BART anti-fibrinolytic dilemma?
Journal of cardiothoracic and vascular anesthesia 2011;25(1):3-5.
2011: Savio K H Yu; Gordon Tait; Keyvan Karkouti; Duminda N Wijeysundera; Stuart A McCluskey; W Scott Beattie
The safety of perioperative esmolol: a systematic review and meta-analysis of randomized controlled trials.
Anesthesia and analgesia 2011;112(2):267-81.
2011: Duminda N Wijeysundera; Mark D Neuman; Peter C Austin; W Scott Beattie; Keyvan Karkouti; Andreas Laupacis
Association of echocardiography before major elective non-cardiac surgery with postoperative survival and length of hospital stay: population based cohort study.
BMJ (Clinical research ed.) 2011;342():d3695.
2010: Marcin Wasowicz; Stuart A McCluskey; Duminda N Wijeysundera; Terrence M Yau; Massimiliano Meinri; W Scott Beattie; Keyvan Karkouti
The incremental value of thrombelastography for prediction of excessive blood loss after cardiac surgery: an observational study.
Anesthesia and analgesia 2010;111(2):331-8.
2010: Keyvan Karkouti; Stuart A McCluskey; Summer Syed; Chris Pazaratz; Humara Poonawala; Mark A Crowther
The influence of perioperative coagulation status on postoperative blood loss in complex cardiac surgery: a prospective observational study.
Anesthesia and analgesia 2010;110(6):1533-40.
2010: W Scott Beattie; Duminda N Wijeysundera; Keyvan Karkouti; Stuart McCluskey; Gordon Tait; Nicholas Mitsakakis; Gregory M T Hare
Acute surgical anemia influences the cardioprotective effects of beta-blockade: a single-center, propensity-matched cohort study.
Anesthesiology 2010;112(1):25-33.
2010: Keyvan Karkouti; Duminda N Wijeysundera; Terrence M Yau; Stuart A McCluskey; Gordon Tait; W Scott Beattie
The risk-benefit profile of aprotinin versus tranexamic acid in cardiac surgery.
Anesthesia and analgesia 2010;110(1):21-9.
2009: Marcin Wasowicz; Massimiliano Meineri; Stuart M McCluskey; Nicholas Mitsakakis; Keyvan Karkouti
The utility of thromboelastography for guiding recombinant activated factor VII therapy for refractory hemorrhage after cardiac surgery.
Journal of cardiothoracic and vascular anesthesia 2009;23(6):828-34.
2009: Jeannie L Callum; Keyvan Karkouti; Yulia Lin
Cryoprecipitate: the current state of knowledge.
Transfusion medicine reviews 2009;23(3):177-88.
2009: Duminda N Wijeysundera; Keyvan Karkouti; Vivek Rao; John T Granton; Christopher T Chan; Roshan Raban; Jo Carroll; Humara Poonawala; W Scott Beattie
N-acetylcysteine is associated with increased blood loss and blood product utilization during cardiac surgery.
Critical care medicine 2009;37(6):1929-34.
2009: David Orlov; Rachel O'Farrell; Stuart A McCluskey; Jo Carroll; Humara Poonawala; Siroos Hozhabri; Keyvan Karkouti
The clinical utility of an index of global oxygenation for guiding red blood cell transfusion in cardiac surgery.
Transfusion 2009;49(4):682-8.
2009: W Scott Beattie; Keyvan Karkouti; Duminda N Wijeysundera; Gordon Tait
Risk associated with preoperative anemia in noncardiac surgery: a single-center cohort study.
Anesthesiology 2009;110(3):574-81.
2009: Stuart A McCluskey; Wing K Cheung; Rita Katznelson; Humara Poonawala; Ludwik Fedorko; George Djaiani; Bobby Mehta; Keyvan Karkouti
The pharmacokinetic profile of recombinant human erythropoietin is unchanged in patients undergoing cardiac surgery.
European journal of clinical pharmacology 2009;65(3):273-9.
2009: Keyvan Karkouti; Duminda N Wijeysundera; Terrence M Yau; Jeannie L Callum; Davy Cheng; Mark Crowther; Jean-Yves Dupuis; Stephen E Fremes; Blaine Kent; Claude Laflamme; Andre Lamy; Jean-Francois Legare; C David Mazer; Stuart A McCluskey; Fraser D Rubens; Corey Sawchuk; W Scott Beattie
Acute kidney injury after cardiac surgery: focus on modifiable risk factors.
Circulation 2009;119(4):495-502.
2008: Finola Naughton; Duminda N Wijeysundera; Keyvan Karkouti; Gordon Tait; W Scott Beattie
N-acetylcysteine to reduce renal failure after cardiac surgery: a systematic review and meta-analysis.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2008;55(12):827-35.
2008: Keyvan Karkouti; W Scott Beattie
Pro: The role of recombinant factor VIIa in cardiac surgery.
Journal of cardiothoracic and vascular anesthesia 2008;22(5):779-82.
2008: Keyvan Karkouti; W Scott Beattie; Ramiro Arellano; Tim Aye; Jean S Bussieres; Jeannie L Callum; Davy Cheng; Lee Heinrich; Blaine Kent; Trevor W R Lee; Charles MacAdams; C David Mazer; Brian Muirhead; Antoine G Rochon; Fraser D Rubens; Corey Sawchuk; Shaohua Wang; Terrence Waters; Bill I Wong; Terrence M Yau
Comprehensive Canadian review of the off-label use of recombinant activated factor VII in cardiac surgery.
Circulation 2008;118(4):331-8.
2008: Keyvan Karkouti; W Scott Beattie
Letter by Karkouti and Beattie regarding article "Aprotinin does not increase the risk of renal failure in cardiac surgery patients".
Circulation 2008;117(22):e472; author reply e476.
2008: Marcin Wasowicz; Coimbatore Srinivas; Massimiliano Meineri; Brie Banks; Stuart A McCluskey; Keyvan Karkouti
Technical report: analysis of citrated blood with thromboelastography: comparison with fresh blood samples.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2008;55(5):284-9.
2008: Marc De Perrot; Karen McRae; Masaki Anraku; Keyvan Karkouti; Thomas K Waddell; Andrew F Pierre; Gail Darling; Shaf Keshavjee; Michael R Johnston
Risk factors for major complications after extrapleural pneumonectomy for malignant pleural mesothelioma.
The Annals of thoracic surgery 2008;85(4):1206-10.
2008: W Scott Beattie; Duminda N Wijeysundera; Keyvan Karkouti; Stuart A McCluskey; Gordon Tait
Does tight heart rate control improve beta-blocker efficacy? An updated analysis of the noncardiac surgical randomized trials.
Anesthesia and analgesia 2008;106(4):1039-48, table of contents.
2008: Keyvan Karkouti; Duminda N Wijeysundera; Terrence M Yau; Stuart A McCluskey; Adriaan van Rensburg; W Scott Beattie
The influence of baseline hemoglobin concentration on tolerance of anemia in cardiac surgery.
Transfusion 2008;48(4):666-72.
2008: Keyvan Karkouti; Duminda N Wijeysundera; W Scott Beattie
Risk associated with preoperative anemia in cardiac surgery: a multicenter cohort study.
Circulation 2008;117(4):478-84.
2007: Adam D Lichtman; Veronica Carullo; Mohammed Minhaj; Keyvan Karkouti
Case 6--2007: massive intraoperative thrombosis and death after recombinant activated factor VII administration.
Journal of cardiothoracic and vascular anesthesia 2007;21(6):897-902.
2007: Yulia Lin; Nisha Kanani; Finola Naughton; Jacob Pendergrast; Keyvan Karkouti
Case report: transfusion-related acute lung injury (TRALI) - a clear and present danger.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2007;54(12):1011-6.
2007: Keyvan Karkouti; Stuart A McCluskey
Perioperative blood conservation--the experts, the elephants, the clinicians, and the gauntlet.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2007;54(11):861-7.
2007: Keyvan Karkouti; Duminda N Wijeysundera; W Scott Beattie; Jeannie L Callum; Davy Cheng; Jean-Yves Dupuis; Blaine Kent; David Mazer; Fraser D Rubens; Corey Sawchuk; Terrence M Yau
Variability and predictability of large-volume red blood cell transfusion in cardiac surgery: a multicenter study.
Transfusion 2007;47(11):2081-8.
2007: Keyvan Karkouti; Duminda N Wijeysundera; W Scott Beattie
Platelet transfusions as a risk factor in cardiac surgery.
Transfusion 2007;47(9):1739-40; author reply 1740.
2007: Keyvan Karkouti; W Scott Beattie; Mark A Crowther; Jeannie L Callum; Rosaleen Chun; Stephen E Fremes; Jérôme Lemieux; Vivian Mcalister; Brian D Muirhead; John M Murkin; Howard J Nathan; Bill I Wong; Terrence M Yau; Erik L Yeo; Richard I Hall
The role of recombinant factor VIIa in on-pump cardiac surgery: proceedings of the Canadian Consensus Conference.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2007;54(7):573-82.
2007: Cindy J Wong; Margaret K Vandervoort; Suzanne L Vandervoort; Allan Donner; Guangyong Zou; John K Macdonald; John Freedman; Keyvan Karkouti; Steven J Macdonald; Brian G Feagan
A cluster-randomized controlled trial of a blood conservation algorithm in patients undergoing total hip joint arthroplasty.
Transfusion 2007;47(5):832-41.
2007: Duminda N Wijeysundera; Keyvan Karkouti; Jean-Yves Dupuis; Vivek Rao; Christopher T Chan; John T Granton; W Scott Beattie
Derivation and validation of a simplified predictive index for renal replacement therapy after cardiac surgery.
JAMA : the journal of the American Medical Association 2007;297(16):1801-9.
2006: Keyvan Karkouti; Kathleen M Dattilo
Perioperative hemostasis and thrombosis.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2006;53(12):1260-2.
2006: W Scott Beattie; Keyvan Karkouti
Con: Aprotinin has a good efficacy and safety profile relative to other alternatives for prevention of bleeding in cardiac surgery.
Anesthesia and analgesia 2006;103(6):1360-4.
2006: Stuart A McCluskey; Keyvan Karkouti; Duminda N Wijeysundera; Karen Kakizawa; Mohammed Ghannam; Ahmed Hamdy; David Grant; Gary Levy
Derivation of a risk index for the prediction of massive blood transfusion in liver transplantation.
Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society 2006;12(11):1584-93.
2006: Sheila Riazi; Keyvan Karkouti; Jane Heggie
Case report: management of life-threatening oropharyngeal bleeding with recombinant factor VIIa.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2006;53(9):881-4.
2006: Keyvan Karkouti; W Scott Beattie
Aprotinin is useful as a hemostatic agent in cardiopulmonary surgery: no.
Journal of thrombosis and haemostasis : JTH 2006;4(9):1879-81.
2006: Keyvan Karkouti; Terrence M Yau; A van Rensburg; Stuart A McCluskey; Jeannie L Callum; Duminda N Wijeysundera; W Scott Beattie
The effects of a treatment protocol for cardiac surgical patients with excessive blood loss on clinical outcomes.
Vox sanguinis 2006;91(2):148-56.
2006: Keyvan Karkouti; Terrence M Yau; Sheila Riazi; Kathleen M Dattilo; Marcin Wasowicz; Massimiliano Meineri; Stuart A McCluskey; Duminda N Wijeysundera; Adriaan van Rensburg; W Scott Beattie
Determinants of complications with recombinant factor VIIa for refractory blood loss in cardiac surgery.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2006;53(8):802-9.
2006: Keyvan Karkouti; Rachel O'Farrell; Terrence M Yau; W Scott Beattie
Prediction of massive blood transfusion in cardiac surgery.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2006;53(8):781-94.
2006: Keyvan Karkouti; Shahriar Shayan; Duminda N Wijeysundera; Stuart A McCluskey; Mohammed Ghannam; W Scott Beattie
Prognostic value of postoperative proteinuria in cardiac surgery: a pilot study.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2006;53(5):500-6.
2006: Keyvan Karkouti; W Scott Beattie; Kathleen M Dattilo; Stuart A McCluskey; Mohammed Ghannam; Ahmed Hamdy; Duminda N Wijeysundera; Ludwik Fedorko; Terrence M Yau
A propensity score case-control comparison of aprotinin and tranexamic acid in high-transfusion-risk cardiac surgery.
Transfusion 2006;46(3):327-38.
2006: Keyvan Karkouti; Duminda N Wijeysundera; Terrence M Yau; Jeannie L Callum; Massimiliano Meineri; Marcin Wasowicz; Stuart A McCluskey; W Scott Beattie
Platelet transfusions are not associated with increased morbidity or mortality in cardiac surgery.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2006;53(3):279-87.
2006: Duminda N Wijeysundera; Keyvan Karkouti; W Scott Beattie; Vivek Rao; Joan Ivanov
Improving the identification of patients at risk of postoperative renal failure after cardiac surgery.
Anesthesiology 2006;104(1):65-72.
2006: Keyvan Karkouti; Stuart A McCluskey; Mohammed Ghannam; Mary-Jane Salpeter; Ian Quirt; Terrence M Yau
Intravenous iron and recombinant erythropoietin for the treatment of postoperative anemia.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2006;53(1):11-9.
2005: Torsten Doenst; Duminda N Wijeysundera; Keyvan Karkouti; Christoph Zechner; Manjula Maganti; Vivek Rao; Michael A Borger
Hyperglycemia during cardiopulmonary bypass is an independent risk factor for mortality in patients undergoing cardiac surgery.
The Journal of thoracic and cardiovascular surgery 2005;130(4):1144.
2005: Keyvan Karkouti; George Djaiani; Michael A Borger; W Scott Beattie; Ludwik Fedorko; Duminda N Wijeysundera; Joan Ivanov; Jacek Karski
Low hematocrit during cardiopulmonary bypass is associated with increased risk of perioperative stroke in cardiac surgery.
The Annals of thoracic surgery 2005;80(4):1381-7.
2005: Duminda N Wijeysundera; W Scott Beattie; George Djaiani; Vivek Rao; Michael A Borger; Keyvan Karkouti; Robert J Cusimano
Off-pump coronary artery surgery for reducing mortality and morbidity: meta-analysis of randomized and observational studies.
Journal of the American College of Cardiology 2005;46(5):872-82.
2005: Keyvan Karkouti; Stuart A McCluskey; Lucia Evans; Nizar N Mahomed; Mohammed Ghannam; Roderrick Davey
Erythropoietin is an effective clinical modality for reducing RBC transfusion in joint surgery.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2005;52(4):362-8.
2005: Keyvan Karkouti; W Scott Beattie; Duminda N Wijeysundera; V Rao; C Chan; Kathleen M Dattilo; George Djaiani; Joan Ivanov; Jacek Karski; T E David
Hemodilution during cardiopulmonary bypass is an independent risk factor for acute renal failure in adult cardiac surgery.
The Journal of thoracic and cardiovascular surgery 2005;129(2):391-400.
2005: Keyvan Karkouti; W Scott Beattie; Duminda N Wijeysundera; Terrence M Yau; Stuart A McCluskey; Mohammed Ghannam; David Sutton; Adriaan van Rensburg; Jacek Karski
Recombinant factor VIIa for intractable blood loss after cardiac surgery: a propensity score-matched case-control analysis.
Transfusion 2005;45(1):26-34.
2004: Keyvan Karkouti; Duminda N Wijeysundera; Terrence M Yau; W Scott Beattie; Esamelden Abdelnaem; Stuart A McCluskey; Mohammed Ghannam; Eric Yeo; George Djaiani; Jacek Karski
The independent association of massive blood loss with mortality in cardiac surgery.
Transfusion 2004;44(10):1453-62.
2004: George Djaiani; Ludwik Fedorko; Michael A Borger; David J Mikulis; Jo Carroll; Davy Cheng; Keyvan Karkouti; Scott Beattie; Jacek Karski
Mild to moderate atheromatous disease of the thoracic aorta and new ischemic brain lesions after conventional coronary artery bypass graft surgery.
Stroke; a journal of cerebral circulation 2004;35(9):e356-8.
2004: Duminda N Wijeysundera; W Scott Beattie; Vivek Rao; Joan Ivanov; Keyvan Karkouti
Calcium antagonists are associated with reduced mortality after cardiac surgery: a propensity analysis.
The Journal of thoracic and cardiovascular surgery 2004;127(3):755-62.
2004: Andrew A Klein; George Djaiani; Jacek Karski; Jo Carroll; Keyvan Karkouti; Stuart A McCluskey; Humara Poonawala; Charles Shayan; Ludwik Fedorko; Davy Cheng
Acupressure wristbands for the prevention of postoperative nausea and vomiting in adults undergoing cardiac surgery.
Journal of cardiothoracic and vascular anesthesia 2004;18(1):68-71.
2003: Keyvan Karkouti; Duminda N Wijeysundera; Scott W Beattie
Pulmonary-artery catheters in high-risk surgical patients.
The New England journal of medicine 2003;348(20):2035-7; author reply 2035-7.
2003: Duminda N Wijeysundera; Vivek Rao; W Scott Beattie; Joan Ivanov; Keyvan Karkouti
Evaluating surrogate measures of renal dysfunction after cardiac surgery.
Anesthesia and analgesia 2003;96(5):1265-73, table of contents.
2003: Keyvan Karkouti; W Scott Beattie; Duminda N Wijeysundera; Stuart A McCluskey
Blood transfusions and mortality among critically ill patients.
JAMA : the journal of the American Medical Association 2003;289(10):1242.
2003: Keyvan Karkouti; Stuart A McCluskey
Pro: Preoperative autologous blood donation has a role in cardiac surgery.
Journal of cardiothoracic and vascular anesthesia 2003;17(1):121-5.
2002: Brian G Feagan; Cindy J Wong; William C Johnston; Ramiro Arellano; Nigel Colterjohn; Keyvan Karkouti; Kim Turner
Transfusion practices for elective orthopedic surgery.
CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 2002;166(3):310-4.
2001: Keyvan Karkouti; M M Cohen; Stuart A McCluskey; G D Sher
A multivariable model for predicting the need for blood transfusion in patients undergoing first-time elective coronary bypass graft surgery.
Transfusion 2001;41(10):1193-203.
2000: Keyvan Karkouti; D K Rose; D Wigglesworth; M M Cohen
Predicting difficult intubation: a multivariable analysis.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2000;47(8):730-9.
2000: Keyvan Karkouti; K Rose; M Cohen; D Wigglesworth
Models for difficult laryngoscopy.
Canadian journal of anaesthesia = Journal canadien d'anesthésie 2000;47(1):94-5.