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1. Cold Agglutinin Disease and Hemolytic Crisis After Hypothermic Circulatory Arrest in a Patient With Beta-Thalassemia Minor

Author

Elli Tutungi, Chris Hogan, Marco Larobina, Christopher Bain, Lachlan F Miles, C. Duffy, Enjarn Lin, Paul Geldard, and Sesto Cairo

Subjects
medicine.medical_specialty, business.industry, Cold agglutinin disease, Anemia, Beta thalassemia, Hypothermia, medicine.disease, law.invention, Cardiac surgery, Anesthesiology and Pain Medicine, law, Anesthesiology, Internal medicine, Circulatory system, medicine, Cardiopulmonary bypass, Cardiology, medicine.symptom, Cardiology and Cardiovascular Medicine, business
Published
2020
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2. Perioperative Hypothermia (33°C) Does Not Increase the Occurrence of Cardiovascular Events in Patients Undergoing Cerebral Aneurysm Surgery

Author

D. Chartrand, Michael Beven, C. Salem, W. Burnett, S. Jackson, G. Downey, Michael T. Lawton, S. Lownie, R. Tack, E. Dy, Tord D. Alden, David R. McIlroy, Lis Evered, K. Lukitto, L. Kirby, Thomas A. Moore, R. Popovic, N. Robertson, Patrick W. Hitchon, A. Ashtari, R. Elbe, N. F. Kassell, D. Dulli, A. Wyss, G. Ghazali, S. Rice, Gavin W. Britz, P. Bennett, Karen B. Domino, A. Shahen, D. Dehring, Robert Greif, Argye E. Hillis, L. Meng, D. Fishback, Fred Gentili, Mark Buckland, B. Schaefer, H. Madder, C. Weasler, Anish Bhardwaj, E. Thomson, Ramez W. Kirollos, Basil F. Matta, Kevin H. Siu, H. Machlin, W. Pfisterer, A. Freymuth, N. Badner, R. Wilson, R. Grauer, Zhiyi Zuo, A. McAllister, Z. Sha, A. Rushton, D. Hill, William T. Clarke, L. Jensen, G. Heard, L. Clark, D. Chatfield, J. Haartsen, Jing Wang, S. Nobles, Renee Testa, P. D'Urso, Hossam El-Beheiry, David J. Stone, James C. Torner, Michael J. Souter, A. Meyer, Marek A. Mirski, Marlan R. Hansen, W. Jenkins, L. Pobereskin, J. Walkes, M. Quigley, R. Struthers, James H McMahon, Howard A. Riina, Behnam Badie, P. Heppner, Simon Jones, R. Silbergleit, Thomas N. Pajewski, T. Broderick, Katherine Harris, P. Smythe, N. Duggal, J. Quaedackers, J. Mason, P. E. Bickler, P. McNeill, V. Roelfsema, I. Gibmeier, C. Chambers, H. Gramke, D. Campbell, T. Novick, O. Moise, J. Woletz, Lorri A. Lee, H. Van Aken, Adrian W. Gelb, A. Kane, B. Rapf, Martin S. Angst, S. Shaikh, D. Sirhan, C. Miller, B. Hodkinson, D. Leggett, F. Johnson, Harry J. M. Lemmens, M. Langley, Y. Young, Jeffrey V. Rosenfeld, C. Moy, W. Hamm, C. Hall, G. Henry, R. Burnstein, Lisa Hannegan, A. Buchmann, R. Schatzer, Bruce P. Hermann, John E. McGillicuddy, Bruno Giordani, John C. VanGilder, Keith H. Berge, D. Sage, L. Sternau, N. Page, Marc R. Mayberg, B Thompson, T. Hartman, Laurel E. Moore, S. Bhatia, Richard A. Jaffe, G. Seever, D. Cowie, Jonathan G. Zaroff, C. Duffy, Deborah A. Rusy, Elana Farace, H R Winn, Paul H. Ting, R. Spinka, J. Marler, Patricia H. Petrozza, S. Harding, Lauren C. Berkow, E. Cunningham, D. Bisnaire, D. Wilhite, P. Blanton, S. Laurent, O. Odukoya, Issam A. Awad, P. Chery, C. Lind, B. Bauer, D. Lindholm, K. Kieburtz, J. Ormrod, Michael P. Murphy, Timothy G. Short, Y. Painchaud, R. Peters, Peter C. Whitfield, D. Bain, B. Hindman, A. Shelton, A. Morris, D. Milovan, L. Salvia, William L. Young, S. Wallace, W. Lilley, H. Yi, R. Chelliah, David W. Newell, R. Deam, John Laidlaw, P. Mak, J. Woelfer, K. Graves, Peter M. C. Wright, D. Van Alstine, M. Hemstreet, Phillip A. Scott, Steven D. Chang, S. Poustie, M. Clausen, I. Herrick, Daniel H. Kim, Vladimir Zelman, John L.D. Atkinson, Marcel E. Durieux, Alessandro Olivi, G. Smith, James R. Munis, F. Vasarhelyi, S. Olson, C. Greiner, C. Hoenemann, G. Kleinpeter, J. Kish, Daniel K. Resnick, J. Lang, Dhanesh K. Gupta, E. Knosp, N. Monteiro de Oliveira, D. Moskopp, Carin A. Hagberg, J. Howell, Klaus Hahnenkamp, Gregory M. Davis, T. Phan, Paul S. Myles, C. Beven, F. Salevsky, Maria Matuszczak, E. Mee, David L. Bogdonoff, P. Berklayd, J. Freyhoff, P. Tanzi, A. Law, Barbara A. Dodson, Z. Thayer, R. Govindaraj, Alex Konstantatos, Ralph F. Frankowski, Pirjo H. Manninen, David G. Piepgras, K. Willmann, E. Babayan, Donald S. Prough, Leslie C. Jameson, John A. Wilson, Mary Pat McAndrews, M. Abou-Madi, Steven S. Glazier, Vincent C. Traynelis, Derek A. Taggard, Fredric B. Meyer, C. Bradfield, Hoang P. Nguyen, Mary L. Marcellus, J. Ogden, M. Maleki, M. Lotto, Michael A. Olympio, C. Merhaut, D. Nye, K. Webb, Richard Leblanc, Nichol McBee, William L. Lanier, A. Molnar, Peter J. Lennarson, S. Wadanamby, H. Hulbert, Christopher R. Turner, H. Fraley, Kevin K. Tremper, Sesto Cairo, J. Shafer, J. Krugh, D. Blair, L. Coghlan, P. Schmid, K. O'Brien, K. Littlewood, T. Anderson, R. Eliazo, S. Wirtz, Carol B. Applebury, Jennifer O. Hunt, S. Hickenbottom, Hendrik Freise, Gary D. Steinberg, M. Woodfield, Robert J. Dempsey, Kirk J. Hogan, M. Harrison, H. Stanko, Teresa Bell-Stephens, N. Merah, T. Blount, J. Sanders, J. Biddulph, Tsutomu Sasaki, F. Mensink, P. Balestrieri, Lisa D. Ravdin, H. Lohmann, M. Todd, James Gebel, Lawrence Litt, Christoph Schul, B. White, Bradley J. Hindman, S. Salerno, A. James, D. Manke, Mvon Lewinski, D. Luu, Michael M. Todd, A. Drnda, S. Salsbury, J. Palmisano, L. Connery, Michael Tymianski, E. Tuffiash, Cynthia A. Lien, R. Sawyer, A. Sills, D. Sinclair, J. Bramhall, Ira J. Rampil, David M. Colonna, M. Geraghty, Steven W. Anderson, V. Petty, S. Pai, J. Sheehan, S. Black, K. English, N. Scurrah, Diana G. McGregor, P. Davies, P. Doyle-Pettypiece, H. Bone, Neal J. Naff, M. Lenaerts, James Mitchell, K. Pedersen, Matthew A. Howard, M. Angliss, Daniel Tranel, Bongin Yoo, M. Irons, Emine O. Bayman, C. Skilbeck, Nicholas G. Bircher, Wendy C. Ziai, S. Micallef, Chuanyao Tong, Kathryn Chaloner, Mark T. Wallace, John Moloney, Gavin Fabinyi, P. Sutton, Edward C. Nemergut, Elizabeth Richardson, C. McCleary, M. Graf, Mrinalini Balki, P. Porter, James J. Evans, A. Prabhu, L. Kim, R. Hendrickson, A. Dashfield, V. Portman, Michel T. Torbey, J. Kruger, Donna L. Auer, J. Sorenson, Patricia H. Davis, John A. Walker, M. Mosier, H. Smith, J. Heidler, Andrew Silvers, P. Fogarty-Mack, William F. Chandler, F. Shutway, F. Rasulo, S. Alatakis, Stephen Samples, A. Wray, Henry H. Woo, John A. Ulatowski, Steven L. Giannotta, D. Chandrasekara, J. Sturm, S. Crump, Peter A. Rasmussen, Max R. Trenerry, D. Novy, Wink S. Fisher, N. Quinnine, F. Bardenhagen, M. Angle, W. Ng, G. Ferguson, A. Blackwell, Christopher M. Loftus, James H. Fitzpatrick, David S. Warner, E. Tuerkkan, W. Kutalek, Ferenc E. Gyulai, D. Daly, Helen Fletcher, J. Smith, Mazen A. Maktabi, Howard Yonas, J. Sneyd, M. Menhusen, Johnny E. Brian, K. Smith, R. Watson, T. Weber, D. Greene-Chandos, M. Wichman, Peter Szmuk, J. Birrell, Pekka Talke, J. Jane, L. Atkins, J. Smart, T. Han, B. O'Brien, R. Mattison, Bermans J. Iskandar, J. Ridgley, S. Dalrymple, L. Lindsey, D. Anderson, Julie B. Weeks, M. Felmlee-Devine, P. Deshmukh, D. Ellegala, L. Moss, A. Mathur, F. Lee, F. Sasse, H. Macgregor, R. Peterson, Margaret R. Weglinski, Karen Lane, Daniele Rigamonti, L. Carriere, Mark Wilson, R. Morgan, T. Costello, C. Thien, Arthur M. Lam, H. Bybee, C. Salmond, Robert E. Breeze, Peter Karzmark, Monica S. Vavilala, S. Yantha, Philip E. Stieg, Guy L. Clifton, Kenneth Manzel, D. Papworth, Rafael J. Tamargo, Rosemary A. Craen, Harold P. Adams, B. Radziszewska, Y. Kuo, Satwant K. Samra, B. Frankel, R. Fry, T. Cunningham, M. Mosa, M. McTaggart, F. Steinman, Alex Abou-Chebl, Michael J. Link, Rona G. Giffard, N. Lapointe, C. Meade, Robert F. Bedford, J. Cormack, Robert P. From, J. Reynolds, Paul A. Leonard, K. Quader, N. Subhas, C. Lothaller, S. Ryan, J. Winn, H. Brors, Amin B. Kassam, A. Gelb, J. Zaroff, Gregory M. Malham, A. Redmond, Gordon J. Chelune, J. Findlay, Zeyd Ebrahim, L. Forlano, Mark E. Shaffrey, C. Chase, Peter J. Kirkpatrick, Armin Schubert, L. Koller, Jana E. Jones, P. Li, and B. Chen

Subjects
medicine.medical_specialty, Subarachnoid hemorrhage, Interventional cardiology, business.industry, Vascular disease, Perioperative, Hypothermia, medicine.disease, Preoperative care, Anesthesiology and Pain Medicine, Aneurysm, Anesthesia, Anesthesiology, Medicine, medicine.symptom, business
Abstract

Background Perioperative hypothermia has been reported to increase the occurrence of cardiovascular complications. By increasing the activity of sympathetic nervous system, perioperative hypothermia also has the potential to increase cardiac injury and dysfunction associated with subarachnoid hemorrhage. Methods The Intraoperative Hypothermia for Aneurysm Surgery Trial randomized patients undergoing cerebral aneurysm surgery to intraoperative hypothermia (n = 499, 33.3 degrees +/- 0.8 degrees C) or normothermia (n = 501, 36.7 degrees +/- 0.5 degrees C). Cardiovascular events (hypotension, arrhythmias, vasopressor use, myocardial infarction, and others) were prospectively followed until 3-month follow-up and were compared in hypothermic and normothermic patients. A subset of 62 patients (hypothermia, n = 33; normothermia, n = 29) also had preoperative and postoperative (within 24 h) measurement of cardiac troponin-I and echocardiography to explore the association between perioperative hypothermia and subarachnoid hemorrhage-associated myocardial injury and left ventricular function. Results There was no difference between hypothermic and normothermic patients in the occurrence of any single cardiovascular event or in composite cardiovascular events. There was no difference in mortality (6%) between groups, and there was only a single primary cardiovascular death (normothermia). There was no difference between hypothermic and normothermic patients in postoperative versus preoperative left ventricular regional wall motion or ejection fraction. Compared with preoperative values, hypothermic patients had no postoperative increase in cardiac troponin-I (median change 0.00 microg/l), whereas normothermic patients had a small postoperative increase (median change + 0.01 microg/l, P = 0.038). Conclusion In patients undergoing cerebral aneurysm surgery, perioperative hypothermia was not associated with an increased occurrence of cardiovascular events.

Published
2010
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3. No Association between Intraoperative Hypothermia or Supplemental Protective Drug and Neurologic Outcomes in Patients Undergoing Temporary Clipping during Cerebral Aneurysm Surgery

Author

John A. Ulatowski, Steven L. Giannotta, J. Sturm, D. Cowie, D. Novy, N. Quinnine, James H. Fitzpatrick, David S. Warner, Ferenc E. Gyulai, D. Daly, S. Rice, H. Machlin, William T. Clarke, Philip E. Bickler, H. Van Aken, M. Langley, M. von Lewinski, G. Kleinpeter, J. Freyhoff, A. Morris, L. Salvia, Peter M. C. Wright, Wolfgang K. Pfisterer, K. English, M. Lenaerts, Nicholas G. Bircher, Simon Jones, L. Jensen, Issam A. Awad, P. Chery, B. Schaefer, S. Wallace, F. Johnson, H. Smith, J. Biddulph, T. Cunningham, N. Monteirode Oliveira, R. Watson, A. McAllister, D. Moskopp, Patricia H. Petrozza, B. Hindman, A. Shelton, D. Manke, F. Steinman, D. Luu, Alex Abou-Chebl, J. Birrell, M. Irons, J. Ridgley, Gavin Fabinyi, S. Alatakis, Basil F. Matta, James J. Evans, A. Prabhu, Rona G. Giffard, H. Gramke, Hendrik Freise, K. Graves, P. Fogarty-Mack, L. Clark, Wink S. Fisher, K. Smith, Renee Testa, P. D'Urso, A. Freymuth, James C. Torner, M. Wallace, R. Struthers, Howard A. Riina, Z. Thayer, Daniel Tranel, E. Knosp, E. Dy, Tord D. Alden, Henry H. Woo, Bruce P. Hermann, John C. VanGilder, Douglas Campbell, N. Lapointe, Gavin W. Britz, J. Sheehan, C. Meade, M. Balki, C. Bradfield, Alessandro Olivi, P. Doyle-Pettypiece, Robert F. Bedford, F. Bardenhagen, M. Angle, Donald S. Prough, John E. McGillicuddy, A. Drnda, M. Abou-Madi, S. Black, David R. McIlroy, Lis Evered, S. Poustie, J. Cormack, J. Sneyd, M. Menhusen, William L. Lanier, M. Maleki, T. Phan, D. Nye, M. Graf, Michael A. Olympio, N. Robertson, Teresa Bell-Stephens, E. Tuerkkan, N. Merah, S. Olson, L. Kirby, L. Moss, Peter Heppner, Thomas A. Moore, J. Bramhall, H. Madder, Christopher R. Turner, H. Fraley, James Mitchell, K. Pedersen, M. Angliss, Robert P. From, Y. Painchaud, Gary D. Steinberg, J. Woelfer, K. Littlewood, T. Anderson, J. Palmisano, M. Clausen, Paul H. Ting, Lisa D. Ravdin, H. Lohmann, R. Burnstein, R. Popovic, T. Hartman, D. Anderson, Julie B. Weeks, H. Macgregor, Kirk J. Hogan, D. Chatfield, Daniel H. Kim, James R. Munis, J. Lang, J. Reynolds, Michael M. Todd, F. Mensink, L. Pobereskin, J. Walkes, Mary Pat McAndrews, A. Sills, Bongin Yoo, P. Balestrieri, S. Micallef, Mary L. Marcellus, J. Wang, Kathryn Chaloner, Patrick W. Hitchon, Paul A. Leonard, C. McCleary, Lawrence Litt, N. Subhas, Wendy C. Ziai, James H McMahon, V. Petty, P. Smythe, G. Heard, Michael J. Souter, R. Hendrickson, A. Dashfield, V. Portman, Edward C. Nemergut, Patricia H. Davis, W. Burnett, M. Lotto, Y. Young, S. Jackson, J. Quaedackers, S. Ryan, Helen Fletcher, A. Ashtari, N. F. Kassell, Anish Bhardwaj, E. Thomson, Ramez W. Kirollos, Margaret R. Weglinski, Karen Lane, Daniele Rigamonti, J. Winn, Bradley J. Hindman, S. Salerno, L. Kim, R. Sawyer, Peter J. Lennarson, S. Wadanamby, Zhiyi Zuo, William F. Chandler, F. Shutway, P. Bennett, C. Merhaut, D. Hill, J. Haartsen, N. Badner, T. Weber, Rafael J. Tamargo, D. Fishback, Rosemary A. Craen, Michel T. Torbey, O. Odukoya, D. Chartrand, J. Jane, Michael T. Lawton, A. Buchmann, Richard A. Jaffe, P. Berklayd, T. Blount, J. Sanders, J. Marler, L. Meng, R. Grauer, Y. Kuo, O. Moise, P. Tanzi, R. Govindaraj, Alex Konstantatos, D. Greene-Chandos, G. Downey, M. Wichman, D. Chandrasekara, Amin B. Kassam, Max R. Trenerry, R. Elbe, A. Wyss, R. Peterson, D. Sirhan, C. Miller, Marek A. Mirski, Stephen Samples, H. Brors, Michael Beven, M. Woodfield, William L. Young, D. Leggett, A. Wray, Karen B. Domino, Robert Greif, Argye E. Hillis, Gary G. Ferguson, Steven S. Glazier, J. Shafer, J. Krugh, I. Gibmeier, G. Ghazali, W. Ng, R. Tack, R. Schatzer, B. O'Brien, Bermans J. Iskandar, B. Bauer, C. Lind, C. Weasler, Michael Tymianski, E. Tuffiash, W. Hamm, C. Hall, L. Sternau, N. Page, Marc R. Mayberg, B Thompson, Richard Leblanc, A. Shahen, Laurel E. Moore, S. Bhatia, Nichol McBee, P. Davies, James Gebel, Cynthia A. Lien, J. Ormrod, David M. Colonna, D. Dehring, A. Rushton, P. Blanton, C. Lothaller, Diana G. McGregor, S. Harding, Lauren C. Berkow, D. Van Alstine, M. Hemstreet, A. Blackwell, Christopher M. Loftus, Klaus Hahnenkamp, J. Woletz, D. Lindholm, K. Kieburtz, M. Geraghty, Steven W. Anderson, D. Dulli, M. McTaggart, Fred Gentili, Johnny E. Brian, R. Peters, C. Greiner, Marlan R. Hansen, W. Jenkins, T. Broderick, Katherine Harris, B. Radziszewska, Maria Matuszczak, David L. Bogdonoff, K. Quader, Pekka Talke, B. Hodkinson, C. Hoenemann, C. Duffy, Deborah A. Rusy, R. Silbergleit, J. Findlay, Gregory M. Davis, J. Ogden, Adrian W. Gelb, A. Kane, Satwant K. Samra, E. Babayan, S. Dalrymple, Harry J. M. Lemmens, Tsutomu Sasaki, Lisa Hannegan, R. Eliazo, B. Frankel, D. Bisnaire, F. Salevsky, Michael J. Link, Jeffrey V. Rosenfeld, D. Sage, D. Sinclair, Keith H. Berge, D. Wilhite, Steven D. Chang, J. Kish, Carin A. Hagberg, Matthew A. Howard, Elizabeth Richardson, Peter C. Whitfield, D. Bain, Barbara A. Dodson, S. Crump, David G. Piepgras, John A. Wilson, David W. Newell, R. Deam, John Laidlaw, K. Willmann, J. Heidler, Vincent C. Traynelis, K. Webb, P. Li, A. Mathur, S. Hickenbottom, S. Wirtz, L. Lindsey, H. Stanko, Mark Wilson, S. Salsbury, L. Connery, Robert J. Dempsey, Edward W. Mee, R. Morgan, Ira J. Rampil, V. Roelfsema, Christoph Schul, B. White, A. James, N. Scurrah, C. Thien, Arthur M. Lam, P. Mak, Behnam Badie, Guy L. Clifton, R. Wilson, J. Kruger, Donna L. Auer, M. Mosier, S. Nobles, David J. Stone, A. Law, Timothy G. Short, W. Lilley, H. Yi, Marcel E. Durieux, Daniel K. Resnick, Dhanesh K. Gupta, Paul S. Myles, C. Beven, Thomas N. Pajewski, J. Mason, P. McNeill, F. Lee, Bruno Giordani, Leslie C. Jameson, G. Seever, Stephen P. Lownie, Fredric B. Meyer, P. Porter, K. O'Brien, Vladimir Zelman, John L.D. Atkinson, A. Molnar, H. Hulbert, S. Pai, Neal J. Naff, S. Shaikh, M. Mosa, Pirjo H. Manninen, Derek A. Taggard, Ian A. Herrick, Mark E. Shaffrey, Carol B. Applebury, C. Chase, Neil Duggal, Mark Buckland, M. Quigley, D. Milovan, Michael J. Harrison, Peter J. Kirkpatrick, Armin Schubert, R. Mattison, Ralph F. Frankowski, R. Chelliah, Jana E. Jones, J. Howell, H. Bone, Emine O. Bayman, P. Deshmukh, C. Skilbeck, P. Sutton, B. Chen, L. Carriere, J. Sorenson, Andrew Silvers, F. Sasse, F. Rasulo, Gordon J. Chelune, Zeyd Ebrahim, L. Forlano, Chuanyao Tong, John Moloney, Michael P. Murphy, S. Yantha, W. Kutalek, Kevin K. Tremper, C. Chambers, Sesto Cairo, Robert E. Breeze, A. Meyer, Monica S. Vavilala, C. Salem, H. El-Beheiry, Gregory M. Malham, A. Redmond, L. Koller, Kenneth Manzel, D. Papworth, C. Moy, G. Henry, Elana Farace, H R Winn, E. Cunningham, B. Rapf, J. Smith, Mazen A. Maktabi, Howard Yonas, D. Ellegala, Kevin H. Siu, Lorri A. Lee, Phillip A. Scott, K. Lukitto, Jennifer O. Hunt, D. Blair, P. Schmid, M. Felmlee-Devine, Peter A. Rasmussen, Peter Szmuk, L. Atkins, J. Smart, T. Han, T. Costello, H. Bybee, C. Salmond, Peter Karzmark, Philip E. Stieg, Harold P. Adams, T. Novick, Z. Sha, Martin S. Angst, S. Laurent, G. Smith, F. Vasarhelyi, R. A. Fry, and John A. Walker

Subjects
medicine.medical_specialty, business.industry, Vascular disease, Glasgow Outcome Scale, Odds ratio, Hypothermia, medicine.disease, law.invention, Surgery, Anesthesiology and Pain Medicine, Aneurysm, Randomized controlled trial, law, Anesthesia, Anesthesiology, Medicine, medicine.symptom, business, Prospective cohort study
Abstract

Background Although hypothermia and barbiturates improve neurologic outcomes in animal temporary focal ischemia models, the clinical efficacy of these interventions during temporary occlusion of the cerebral vasculature during intracranial aneurysm surgery (temporary clipping) is not established. Methods A post hoc analysis of patients from the Intraoperative Hypothermia for Aneurysm Surgery Trial who underwent temporary clipping was performed. Univariate and multivariate logistic regression methods were used to test for associations between hypothermia, supplemental protective drug, and short- (24-h) and long-term (3-month) neurologic outcomes. An odds ratio more than 1 denotes better outcome. Results Patients undergoing temporary clipping (n = 441) were assigned to intraoperative hypothermia (33.3 degrees +/- 0.8 degrees C, n = 208) or normothermia (36.7 degrees +/- 0.5 degrees C, n = 233), with 178 patients also receiving supplemental protective drug (thiopental or etomidate) during temporary clipping. Three months after surgery, 278 patients (63%) had good outcome (Glasgow Outcome Score = 1). Neither hypothermia (P = 0.847; odds ratio = 1.043, 95% CI = 0.678-1.606) nor supplemental protective drug (P = 0.835; odds ratio = 1.048, 95% CI = 0.674-1.631) were associated with 3-month Glasgow Outcome Score. The effect of supplemental protective drug did not significantly vary with temperature. The effects of hypothermia and protective drug did not significantly vary with temporary clip duration. Similar findings were made for 24-h neurologic status and 3-month Neuropsychological Composite Score. Conclusion In the Intraoperative Hypothermia for Aneurysm Surgery Trial, neither systemic hypothermia nor supplemental protective drug affected short- or long-term neurologic outcomes of patients undergoing temporary clipping.

Published
2010
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4. Prediction of Neurological Outcome Using Bispectral Index Monitoring in Patients with Severe Ischemic-Hypoxic Brain Injury Undergoing Emergency Surgery

Author

Paul S. Myles, Andrew Silvers, Sesto Cairo, and D. Daly

Subjects
Adult, Male, Likelihood ratios in diagnostic testing, Central nervous system disease, Young Adult, Predictive Value of Tests, Monitoring, Intraoperative, Humans, Medicine, Prospective Studies, Young adult, Prospective cohort study, Emergency Treatment, business.industry, Glasgow Outcome Scale, Electroencephalography, Middle Aged, medicine.disease, Exact test, Treatment Outcome, Anesthesiology and Pain Medicine, Bispectral index, Anesthesia, Predictive value of tests, Hypoxia-Ischemia, Brain, Female, Nervous System Diseases, business
Abstract

Background Predicting outcome from ischemic-hypoxic brain injury can be difficult in patients rushed to the operating room for time-critical emergency surgery. The authors chose to evaluate the prognostic ability of bispectral index (BIS) in this setting. Methods Twenty-five critically ill, unconscious patients with ischemic-hypoxic brain injury undergoing emergency surgery were prospectively studied. Clinical evaluation, laboratory investigations, BIS, and burst suppression ratio were recorded before and during surgery. Neurologic outcome of the patients was measured according to the Glasgow outcome scale at 30 days after injury, with poor neurologic outcome defined as severe disability or death. Results The incidence of poor neurologic outcome was 68%. Neither clinical judgment (P = 0.40) nor pupillary responses (P = 0.21) were predictive of neurologic outcome after surgery. An abnormal BIS trace was strongly associated with poor neurologic outcome, positive likelihood ratio 6.6 (95% CI 1.7-36.4; exact test P = 0.002). Some BIS values were significantly different when comparing patients with and without poor outcome: c-statistics for the average BIS and maximal electroencephalographic burst-suppression were 0.80 (95% CI 0.62-0.98; P = 0.017) and 0.84 (95% CI 0.68-0.99; P = 0.007), respectively. A normal BIS (P < 0.0005) but not clinical judgment (P = 0.16) could identify a group of patients more likely to survive with a good neurologic outcome. Conclusions BIS, when compared with clinical judgment and routine laboratory tests, provides useful information that may identify patients with a good chance of recovery after ischemic-hypoxic brain injury requiring emergency surgery.

Published
2009
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5. Pulmonary Vein Thrombosis, Lung Transplantation, and Intraoperative Transesophageal Echocardiography

Author

Mark Buckland, Sesto Cairo, and David R. McIlroy

Subjects
Adult, Male, medicine.medical_specialty, medicine.medical_treatment, Pulmonary compliance, Pulmonary vein, Diagnosis, Differential, Monitoring, Intraoperative, medicine.artery, Internal medicine, Ascending aorta, medicine, Humans, Lung transplantation, Thrombus, Intraoperative Complications, Pulmonary wedge pressure, business.industry, Middle Aged, medicine.disease, Anesthesiology and Pain Medicine, Anesthesia, Pulmonary artery, Cardiology, Pulmonary Veno-Occlusive Disease, Respiratory Insufficiency, Cardiology and Cardiovascular Medicine, business, Echocardiography, Transesophageal, Follow-Up Studies, Lung Transplantation
Abstract

maintained with a propofol infusion. A TEE probe was inserted as part of the routine monitoring in lung transplantation. Because of surgical concerns about bleeding, aprotinin, 2 million units (KIU), were given intravenously, followed by an infusion of 500,000 KIU/h. Seven thousand five hundred units of heparin were administered before clamping the right pulmonary vessels. Coagulation was not monitored further at this stage. The transplanted right lung was reperfused without incident. No further heparin was administered for clamping of the left hilar vessels because the surgeons were concerned by the amount of bleeding. It was 5 hours after the initial dose of heparin when the left lung was reperfused. The patient was hemodynamically stable, with normal pulmonary artery pressures (26/15 mmHg), and adequate compliance of the new lungs. However, with clinical concerns regarding ongoing bleeding and an abnormal coagulation profile (international normalized ratio 1.7, activated partial thromboplastin time 117 seconds, platelet count 170 10 9 /mm 3 , fibrinogen 1.8 mg/dL), 50 mg of protamine was administered along with a unit of fresh frozen plasma. At this time, TEE showed a long, narrow, and highly mobile echogenic mass, consistent with thrombus, arising out of the left upper pulmonary vein (LUPV), extending into the left atrium (LA), and crossing the mitral valve in diastole (Fig 1, Video 1 [supplementary videos accompanying this article are available online]). It measured 50 to 55 mm in length and was up to 7 mm wide but occupied less than 50% of the pulmonary vein diameter (Fig 2, Video 2). The residual pulmonary vein diameter was 1.1 cm, and color-flow Doppler did not show turbulent flow at the anastomosis. The other 3 pulmonary veins appeared normal. After the administration of 25,000 U of heparin, cardiopulmonary bypass (CPB) was initiated, the ascending aorta cross-clamped, and a single dose of antegrade cardioplegia given. The large thrombus originating in the LUPV was removed through a left atriotomy. Both left atrial anastomoses and all 4 pulmonary veins were inspected and appeared patent and normal. The aortic cross-clamp was removed, spontaneous cardiac rhythm resumed, and the patient was successfully weaned from CPB with the help of norepinephrine, 0.02 g/kg/min. Hemodynamics remained stable, with a pulmonary artery pressure of 31/17 mmHg, a cardiac index of 3.4 L/min/m 2 , arterial pO2 of 110 mmHg with an inspired oxygen concentration of 60% (FIO2 0.6), and good lung compliance. The patient was transferred to the intensive care unit, intubated, and ventilated, where he had an uncom

Published
2006
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6. Perioperative fever and outcome in surgical patients with aneurysmal subarachnoid hemorrhage

Author

David G. Piepgras, David R. McIlroy, John A. Wilson, H. Yi, Lis Evered, J. Sheehan, Marcel E. Durieux, Daniel K. Resnick, L. Kirby, M. Abou-Madi, Michael A. Olympio, Dhanesh K. Gupta, Peter Heppner, Thomas A. Moore, Paul S. Myles, S. Wirtz, Richard Leblanc, C. Beven, Robert J. Dempsey, Edward W. Mee, Nichol McBee, P. Davies, V. Roelfsema, Christoph Schul, B. White, Leslie C. Jameson, A. James, R. Popovic, Kirk J. Hogan, Fredric B. Meyer, Klaus Hahnenkamp, Patrick W. Hitchon, L. Clark, M. Geraghty, Qian Shi, R. Struthers, Howard A. Riina, A. Drnda, D. Chartrand, Bradley J. Hindman, S. Salerno, E. Knosp, J. Bramhall, Bruce P. Hermann, A. Ashtari, N. F. Kassell, Steven W. Anderson, Maria Matuszczak, David L. Bogdonoff, B. Schaefer, John C. VanGilder, K. O'Brien, A. McAllister, D. Luu, L. Jensen, Issam A. Awad, P. Chery, S. Wallace, H. Smith, N. Monteirode Oliveira, G. Downey, R. Elbe, A. Wyss, E. Babayan, J. Woletz, H. Gramke, M. Irons, Gavin Fabinyi, O. Odukoya, R. Hendrickson, Vincent C. Traynelis, A. Dashfield, V. Portman, Alessandro Olivi, James J. Evans, A. Prabhu, Peter C. Whitfield, Gary D. Steinberg, S. Rice, H. Machlin, D. Bisnaire, P. Berklayd, G. Kleinpeter, Patricia H. Davis, D. Bain, William F. Chandler, R. Wilson, W. Ng, K. Webb, F. Shutway, D. Manke, W. Pfisterer, K. Smith, M. Mosa, Michael M. Todd, R. Tack, Philip E. Bickler, S. Alatakis, A. Shahen, D. Dehring, David W. Newell, A. Sills, K. Lukitto, Wink S. Fisher, R. Watson, Teresa Bell-Stephens, Donald S. Prough, M. Maleki, D. Nye, M. Graf, S. Nobles, David J. Stone, Hendrik Freise, R. Deam, John Laidlaw, K. Quader, Douglas Campbell, Fred Gentili, S. Hickenbottom, Marlan R. Hansen, W. Jenkins, T. Broderick, Katherine Harris, Gavin W. Britz, M. Langley, Mary Pat McAndrews, Wendy C. Ziai, Behnam Badie, C. Duffy, Deborah A. Rusy, K. Littlewood, T. Anderson, J. Palmisano, H. Stanko, Henry H. Woo, Edward C. Nemergut, C. Bradfield, A. Molnar, John A. Walker, Christina M. Spofford, D. Dulli, A. Kane, J. Birrell, Harry J. M. Lemmens, M. Lotto, Y. Young, J. Biddulph, T. Cunningham, L. Kim, K. Graves, B. Radziszewska, S. Salsbury, Lawrence Litt, S. Black, F. Bardenhagen, M. Angle, L. Connery, Lisa Hannegan, Helen Fletcher, John A. Ulatowski, Steven L. Giannotta, J. Sturm, R. Sawyer, H. Hulbert, A. Morris, James Mitchell, M. von Lewinski, C. Merhaut, L. Salvia, A. Freymuth, James C. Torner, D. Cowie, Bongin Yoo, Y. Kuo, S. Micallef, Kathryn Chaloner, Neil Duggal, J. Ogden, Peter M. C. Wright, K. Pedersen, C. McCleary, P. Mak, Paul H. Ting, S. Shaikh, B. Hodkinson, J. Sneyd, D. Novy, M. Menhusen, N. Quinnine, James H. Fitzpatrick, Timothy G. Short, M. Angliss, R. Burnstein, D. Moskopp, N. Robertson, Mark Buckland, Jeffrey V. Rosenfeld, W. Lilley, T. Phan, D. Greene-Chandos, M. Wichman, David S. Warner, M. Quigley, P. Tanzi, Ferenc E. Gyulai, D. Daly, Satwant K. Samra, B. Frankel, D. Wilhite, L. Lindsey, K. English, M. Lenaerts, Michel T. Torbey, T. Hartman, John E. McGillicuddy, R. Govindaraj, Alex Konstantatos, M. Woodfield, Steven S. Glazier, Steven D. Chang, C. Greiner, F. Steinman, Alex Abou-Chebl, G. Heard, S. Yantha, Michael J. Souter, C. Hoenemann, Nicholas G. Bircher, H. Van Aken, S. Poustie, D. Hill, J. Kish, Carin A. Hagberg, A. Buchmann, B. O'Brien, J. Shafer, J. Krugh, D. Chandrasekara, R. Eliazo, Mary L. Marcellus, Anish Bhardwaj, E. Thomson, H. El-Beheiry, Bermans J. Iskandar, J. Ormrod, D. Milovan, Michael J. Link, Barbara A. Dodson, S. Crump, K. Willmann, H. Madder, William R. Clarke, Max R. Trenerry, Ramez W. Kirollos, James Gebel, Lisa D. Ravdin, D. Sirhan, C. Miller, R. Grauer, Ira J. Rampil, W. Burnett, Marek A. Mirski, D. Chatfield, J. Haartsen, Jing Wang, H. Lohmann, T. Weber, S. Jackson, J. Quaedackers, Michael Beven, N. Scurrah, L. Pobereskin, J. Walkes, Zhiyi Zuo, Rona G. Giffard, J. Ridgley, James H McMahon, P. Bennett, J. Freyhoff, J. Reynolds, R. Chelliah, J. Jane, Basil F. Matta, P. Smythe, I. Gibmeier, A. Mathur, Karen B. Domino, Robert Greif, A. Wray, W. Hamm, C. Hall, Ralph F. Frankowski, H. Brors, Renee Testa, D. Fishback, Laurel E. Moore, Richard A. Jaffe, O. Moise, P. D'Urso, Argye E. Hillis, C. Weasler, Michael Tymianski, E. Tuffiash, Cynthia A. Lien, David M. Colonna, C. Lothaller, S. Bhatia, H. Bone, S. Harding, Diana G. McGregor, Lauren C. Berkow, A. Gelb, Paul A. Leonard, N. Subhas, Emine O. Bayman, William L. Young, A. Rushton, J. Marler, J. Kruger, Donna L. Auer, D. Lindholm, K. Kieburtz, R. Schatzer, D. Leggett, M. Mosier, D. Anderson, Julie B. Weeks, B. Bauer, F. Saleversusky, Mark Wilson, C. Skilbeck, R. Morgan, D. Van Alstine, S. Olson, M. Hemstreet, Y. Painchaud, P. Sutton, A. Blackwell, Christopher M. Loftus, S. Ryan, J. Winn, R. Silbergleit, R. Peters, J. Woelfer, M. Clausen, Daniel H. Kim, James R. Munis, J. Lang, A. Law, N. Badner, Keith H. Berge, D. Ellegala, Kevin H. Siu, Gordon J. Chelune, Rafael J. Tamargo, Rosemary A. Craen, C. Thien, Peter J. Lennarson, S. Wadanamby, R. Peterson, T. Blount, J. Sanders, Amin B. Kassam, Arthur M. Lam, Z. Thayer, N. Lapointe, C. Meade, Robert F. Bedford, Lorri A. Lee, J. Cormack, E. Tuerkkan, L. Carriere, N. Merah, Robert P. From, J. Sorenson, Phillip A. Scott, S. Pai, Neal J. Naff, Andrew Silvers, P. Fogarty-Mack, Jennifer O. Hunt, P. Porter, Guy L. Clifton, Zeyd Ebrahim, F. Rasulo, Pirjo H. Manninen, Derek A. Taggard, Michael J. Harrison, Ian A. Herrick, R. Mattison, Tsutomu Sasaki, P. Deshmukh, L. Forlano, Vladimir Zelman, Carol B. Applebury, John L.D. Atkinson, D. Sage, D. Sinclair, Matthew A. Howard, Elizabeth Richardson, F. Sasse, J. Heidler, Thomas N. Pajewski, J. Mason, P. McNeill, F. Lee, Bruno Giordani, G. Seever, Stephen P. Lownie, M. Wallace, Mark E. Shaffrey, C. Chase, Robert E. Breeze, Monica S. Vavilala, Kenneth Manzel, D. Papworth, Peter J. Kirkpatrick, Jana E. Jones, J. Howell, P. Li, B. Chen, A. Meyer, C. Salem, W. Kutalek, L. Koller, B. Rapf, J. Smith, Mazen A. Maktabi, Howard Yonas, Gregory M. Malham, A. Redmond, C. Moy, G. Henry, Elana Farace, H R Winn, E. Cunningham, Michael P. Murphy, Kevin K. Tremper, C. Chambers, Sesto Cairo, Chuanyao Tong, John Moloney, T. Novick, Z. Sha, Martin S. Angst, S. Laurent, G. Smith, F. Vasarhelyi, R. A. Fry, D. Blair, P. Schmid, Peter A. Rasmussen, Stephen Samples, Peter Szmuk, L. Atkins, J. Smart, T. Han, T. Costello, M. Balki, H. Bybee, C. Salmond, Peter Karzmark, Philip E. Stieg, Harold P. Adams, C. Lind, M. McTaggart, Johnny E. Brian, Pekka Talke, S. Dalrymple, M. Felmlee-Devine, Simon Jones, G. Ghazali, F. Johnson, Patricia H. Petrozza, B. Hindman, A. Shelton, Daniel Tranel, P. Blanton, L. Moss, H. Macgregor, J. Findlay, J. Weeks, Margaret R. Weglinski, Karen Lane, Daniele Rigamonti, Gregory M. Davis, William L. Lanier, Christopher R. Turner, H. Fraley, F. Mensink, P. Balestrieri, V. Petty, Michael T. Lawton, L. Meng, Gary G. Ferguson, L. Sternau, N. Page, Marc R. Mayberg, B Thompson, E. Dy, Tord D. Alden, and P. Doyle-Pettypiece

Subjects
Perioperative fever, Adult, Male, medicine.medical_specialty, Subarachnoid hemorrhage, Neuropsychological Tests, Severity of Illness Index, Neurosurgical Procedures, Statistics, Nonparametric, Hypothermia, Induced, Severity of illness, Medicine, Humans, Aged, Retrospective Studies, Neurologic Examination, Intraoperative Care, business.industry, Glasgow Outcome Scale, Incidence, Retrospective cohort study, Perioperative, Middle Aged, Subarachnoid Hemorrhage, outcome, aneurysmal subarachnoid hemorrhage, medicine.disease, Hydrocephalus, Surgery, Clinical trial, Logistic Models, Anesthesia, Female, Neurology (clinical), Intraoperative Period, business
Abstract

OBJECTIVE: We examined the incidence of perioperative fever and its relationship to outcome among patients enrolled in the Intraoperative Hypothermia for Aneurysm Surgery Trial. METHODS: One thousand patients with initial World Federation of Neurological Surgeons grades of I to III undergoing clipping of intracranial aneurysms after subarachnoid hemorrhage were randomized to intraoperative normothermia (36 degrees C-37 degrees C) or hypothermia (32.5 degrees C-33.5 degrees C). Fever (> or =38.5 degrees C) and other complications (including infections) occurring between admission and discharge (or death) were recorded. Functional and neuropsychologic outcomes were assessed 3 months postoperatively. The primary outcome variable for the trial was dichotomized Glasgow Outcome Scale (good outcome versus all others). RESULTS: Fever was reported in 41% of patients. In 97% of these, fever occurred in the postoperative period. The median time from surgery to first fever was 3 days. All measures of outcome were worse in patients who developed fever, even in those without infections or who were World Federation of Neurological Surgeons grade I. Logistic regression analyses were performed to adjust for differences in preoperative factors (e.g., age, Fisher grade, initial neurological status). This demonstrated that fever continued to be significantly associated with most outcome measures, even when infection was added to the model. An alternative stepwise model selection process including all fever-related measures from the preoperative and intraoperative period (e.g., hydrocephalus, duration of surgery, intraoperative blood loss) resulted in the loss of significance for dichotomized Glasgow Outcome Scale, but significant associations between fever and several other outcome measures remained. After adding postoperative delayed ischemic neurological deficits to the model, only worsened National Institutes of Health Stroke Scale score, Barthel Activities of Daily Living index, and discharge destination (home versus other) remained independently associated with fever. CONCLUSION: These findings suggest that fever is associated with worsened outcome in surgical subarachnoid hemorrhage patients, although, because the association between fever and the primary outcome measure for the trial is dependent on the covariates used in the analysis (particularly operative events and delayed ischemic neurological deficits), we cannot rule out the possibility that fever is a marker for other events. Only a formal trial of fever treatment or prevention can address this issue.

Published
2009

7. Correction of posteromedial papillary muscle displacement in repair of ischemic mitral regurgitation

Author

Silvana F, Marasco, Franklin L, Rosenfeldt, Hou-Kiat, Lim, Mark, Mennen, Sesto, Cairo, and Chris, Bain

Subjects
Disease Models, Animal, Dogs, Suture Techniques, Myocardial Ischemia, Animals, Mitral Valve, Mitral Valve Insufficiency, Cardiac Surgical Procedures, Papillary Muscles, Ultrasonography
Abstract

Ischemic mitral regurgitation is present in a substantial proportion of patients presenting for coronary revascularization. Although patients with even mild to moderate ischemic mitral regurgitation (IMR) have a poorer long-term outcome, mitral valve repair in these cases can be unreliable due to the posterior leaflet tethering that commonly occurs. The aim of this animal-based study was to evaluate a novel technique to effect such a repair.IMR was produced in six greyhound dogs by tying off the circumflex coronary artery; a mitral valve repair was then performed on cardiopulmonary bypass (CPB). Two hitching sutures from the posteromedial papillary muscle (PPM) to the annulus were individually assessed using epicardial echocardiography when the dogs had been weaned off CPB.Acute dilatation of the heart with PPM displacement and mitral regurgitation were produced in this acute infarct model. Both hitching sutures shortened the distance from the free edge of the posterior leaflet to the PPM tip and reduced its displacement, with a resultant reduction in mitral regurgitation.This simple repair technique may be a useful adjunct to annuloplasty in the treatment of ischemic mitral regurgitation.

Published
2009

8. Randomized trial of informed consent and recruitment for clinical trials in the immediate preoperative period

Author

Helen Fletcher, Jennifer O. Hunt, Brian E. Morgan, H. Machlin, H. Madder, Glen Downey, Debra Devonshire, R. Mcrae, Paul S. Myles, James R. Cooper, Jo Richardson, Sesto Cairo, and John Moloney

Subjects
Adult, Male, medicine.medical_specialty, Randomization, Adolescent, Patient Advocacy, Preoperative care, Patient advocacy, law.invention, Treatment Refusal, Randomized controlled trial, law, Informed consent, Preoperative Care, medicine, Humans, Prospective Studies, Intensive care medicine, Randomized Controlled Trials as Topic, Informed Consent, business.industry, Patient Selection, Middle Aged, Surgery, Clinical trial, Anesthesiology and Pain Medicine, Elective Surgical Procedures, Multivariate Analysis, Female, Elective Surgical Procedure, business
Abstract

Background The standard process of obtaining informed consent sometimes prevents physicians or patients from participating in clinical trials, partly because they are concerned about eventual treatment allocation or the physician is concerned the patient might harbor some uncertainty about the best treatment. Alternative randomization methods have been advocated that may address these and other concerns. Methods After institutional ethics committee gave its approval, the authors interviewed 770 patients before operation and asked them to consider enrolling in a mock anesthesia trial. Patients were allocated randomly to one of five methods of randomization and consent: one-sided informed consent (the most common approach), prerandomized consent to experimental treatment, prerandomized consent to standard treatment, one-sided physician-modified informed consent, or one-sided patient-modified informed consent. Recruitment rates were compared and sociodemographic and perioperative predictors of recruitment were identified. Results The randomization method did not result in any significant difference in recruitment rates: one-sided informed consent, 55.6%; prerandomized consent to experimental treatment, 53.3%; prerandomized consent to standard treatment, 53%; one-sided physician-modified informed consent, 60.7%; and one-sided patient-modified informed consent, 56.7% (P = 0.66). Multivariate predictors of recruitment were patient age >45 yr (odds ratio, 1.44; 95% confidence interval [CI], 1.08 to 1.93), English-speaking at home (1.49; 1.0 to 2.21), and male researcher-male patient interaction (1.37; 1.20 to 1.57). Conclusions No evidence emerged that alternative randomization and consent designs resulted in increased recruitment rates compared with simple one-sided informed consent for a sham anesthesia trial in patients awaiting elective surgery. Older, male patients were more likely to provide consent.

Published
1999

9. Artifact in the Bispectral Index in a Patient with Severe Ischemic Brain Injury

Author

Sesto Cairo and Paul S. Myles

Subjects
Artifact (error), Anesthesiology and Pain Medicine, medicine.diagnostic_test, business.industry, Hypnotic drug, Anesthesia, Bispectral index, Medicine, In patient, Ischemic brain injury, Electroencephalography, business
Abstract

The electroencephalogram (EEG) has been used to predict neurological outcome in patients with anoxic-ischemic brain injury. The bispectral index (BIS) may be a useful alternative. A persistently low BIS associated with burst-suppression of the raw EEG in the setting of minimal hypnotic drug administ

Published
2004
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10. Correction of posteromedial papillary muscle displacement in ischaemic mitral regurgitation

Author

Alicia Calderone, M. Mennen, Christopher Bain, Sesto Cairo, Silvana Marasco, F.L. Rosenfeldt, and Kiat Lim

Subjects
Pulmonary and Respiratory Medicine, medicine.medical_specialty, Mitral regurgitation, medicine.anatomical_structure, business.industry, Internal medicine, Cardiology, medicine, Displacement (orthopedic surgery), Cardiology and Cardiovascular Medicine, business, Papillary muscle
Published
2009
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