Colleen G Koch

Summary

Affiliation: Cleveland Clinic Foundation
Country: USA

Publications

  1. ncbi request reprint Statin therapy
    Colleen G Koch
    Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Department of Cardiothoracic Anesthesia, Cleveland Clinic, USA
    Curr Pharm Des 18:6284-90. 2012
  2. doi request reprint Is it time to refine? An exploration and simulation of optimal antibiotic timing in general surgery
    Colleen G Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, OH Quality and Patient Safety Institute, Cleveland Clinic, Cleveland, OH Electronic address
    J Am Coll Surg 217:628-35. 2013
  3. doi request reprint Red blood cell storage: how long is too long?
    Colleen G Koch
    Department of Cardiothoracic Anesthesia, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio Electronic address
    Ann Thorac Surg 96:1894-9. 2013
  4. doi request reprint When the timing is right: Antibiotic timing and infection after cardiac surgery
    Colleen G Koch
    Department of Cardiothoracic Anesthesiology, Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, USA
    J Thorac Cardiovasc Surg 144:931-937.e4. 2012
  5. doi request reprint What are the real rates of postoperative complications: elucidating inconsistencies between administrative and clinical data sources
    Colleen G Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, OH 44122, USA
    J Am Coll Surg 214:798-805. 2012
  6. ncbi request reprint Gender and outcomes after coronary artery bypass grafting: a propensity-matched comparison
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia G 3, The Cleveland Clinic Foundation, Ohio 44195, USA
    J Thorac Cardiovasc Surg 126:2032-43. 2003
  7. doi request reprint Invited commentary
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia G 3, The Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH 44195, USA
    Ann Thorac Surg 85:487. 2008
  8. doi request reprint Transfusion and pulmonary morbidity after cardiac surgery
    Colleen Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, Ohio 44195, USA
    Ann Thorac Surg 88:1410-8. 2009
  9. ncbi request reprint Effect of functional health-related quality of life on long-term survival after cardiac surgery
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, Ohio 44195, USA
    Circulation 115:692-9. 2007
  10. doi request reprint Duration of red-cell storage and complications after cardiac surgery
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
    N Engl J Med 358:1229-39. 2008

Detail Information

Publications47

  1. ncbi request reprint Statin therapy
    Colleen G Koch
    Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Department of Cardiothoracic Anesthesia, Cleveland Clinic, USA
    Curr Pharm Des 18:6284-90. 2012
    ..Further research is necessary to determine specific patients who would best benefit from preoperative statin therapy, the dose and duration of therapy prior to surgical interventions and the influence of administration following surgery...
  2. doi request reprint Is it time to refine? An exploration and simulation of optimal antibiotic timing in general surgery
    Colleen G Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, OH Quality and Patient Safety Institute, Cleveland Clinic, Cleveland, OH Electronic address
    J Am Coll Surg 217:628-35. 2013
    ....
  3. doi request reprint Red blood cell storage: how long is too long?
    Colleen G Koch
    Department of Cardiothoracic Anesthesia, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio Electronic address
    Ann Thorac Surg 96:1894-9. 2013
    ..It is possible to envision a blood management system based on modern inventory management strategies that could greatly reduce storage duration. ..
  4. doi request reprint When the timing is right: Antibiotic timing and infection after cardiac surgery
    Colleen G Koch
    Department of Cardiothoracic Anesthesiology, Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, USA
    J Thorac Cardiovasc Surg 144:931-937.e4. 2012
    ....
  5. doi request reprint What are the real rates of postoperative complications: elucidating inconsistencies between administrative and clinical data sources
    Colleen G Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, OH 44122, USA
    J Am Coll Surg 214:798-805. 2012
    ..We examined administrative and clinical data and 2 clinical data sources in 4 surgical morbidity outcomes...
  6. ncbi request reprint Gender and outcomes after coronary artery bypass grafting: a propensity-matched comparison
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia G 3, The Cleveland Clinic Foundation, Ohio 44195, USA
    J Thorac Cardiovasc Surg 126:2032-43. 2003
    ..Our objective is to determine whether gender is a marker or a causal influence for poor outcomes after coronary revascularization...
  7. doi request reprint Invited commentary
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia G 3, The Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH 44195, USA
    Ann Thorac Surg 85:487. 2008
  8. doi request reprint Transfusion and pulmonary morbidity after cardiac surgery
    Colleen Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, Ohio 44195, USA
    Ann Thorac Surg 88:1410-8. 2009
    ..Our objective was to determine the prevalence of pulmonary morbidity related to transfusion and whether TRALI consensus-criteria are applicable to cardiac surgery...
  9. ncbi request reprint Effect of functional health-related quality of life on long-term survival after cardiac surgery
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, Ohio 44195, USA
    Circulation 115:692-9. 2007
    ..Our objective was to determine whether the Duke Activity Status Index (DASI) was predictive of subsequent time-related survival after recovery from cardiac surgery...
  10. doi request reprint Duration of red-cell storage and complications after cardiac surgery
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
    N Engl J Med 358:1229-39. 2008
    ..We tested the hypothesis that serious complications and mortality after cardiac surgery are increased when transfused red cells are stored for more than 2 weeks...
  11. ncbi request reprint Gender and cardiac surgery
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, G 3, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195, USA
    Anesthesiol Clin North America 21:675-89. 2003
    ..As further knowledge accumulates, it is hoped that gender-specific risk factors can be mitigated and protective factors exploited, thereby improving the outcomes for all cardiac surgery patients...
  12. ncbi request reprint Red cell transfusion is associated with an increased risk for postoperative atrial fibrillation
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, The Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
    Ann Thorac Surg 82:1747-56. 2006
    ..Therefore, we tested the hypothesis that red blood cell transfusion increases the risk of postoperative AF for patients undergoing cardiac surgery...
  13. ncbi request reprint Persistent effect of red cell transfusion on health-related quality of life after cardiac surgery
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, The Cleveland Clinic Foundation, Cleveland, Ohio, USA
    Ann Thorac Surg 82:13-20. 2006
    ..Our objective was to investigate the relationship between perioperative red blood cell and component transfusion and functional health-related quality of life 6 to 12 months after cardiac surgery...
  14. ncbi request reprint Transfusion in coronary artery bypass grafting is associated with reduced long-term survival
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, The Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
    Ann Thorac Surg 81:1650-7. 2006
    ....
  15. doi request reprint Socioeconomic position, not race, is linked to death after cardiac surgery
    Colleen G Koch
    Department of Cardiothoracic Anesthesia, The Cleveland Clinic, Ohio 44195, USA
    Circ Cardiovasc Qual Outcomes 3:267-76. 2010
    ..However, there is a complex interplay between race, sex, and socioeconomic position (SEP). In our investigation we sought to identify which of these was the driver of risk-adjusted survival...
  16. ncbi request reprint Impact of prosthesis-patient size on functional recovery after aortic valve replacement
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, The Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
    Circulation 111:3221-9. 2005
    ..Our objectives were to examine the impact of valve replacement, continuous prosthesis-patient size, and other factors on functional recovery after aortic valve replacement (AVR) with the Duke Activity Status Index (DASI)...
  17. doi request reprint Socioeconomic status and comorbidity as predictors of preoperative quality of life in cardiac surgery
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, The Cleveland Clinic, Cleveland, Ohio 44195, USA
    J Thorac Cardiovasc Surg 136:665-72, 672.e1. 2008
    ....
  18. ncbi request reprint Health-related quality of life after coronary artery bypass grafting: a gender analysis using the Duke Activity Status Index
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia G 3, The Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195, USA
    J Thorac Cardiovasc Surg 128:284-95. 2004
    ....
  19. doi request reprint Health-related quality of life after cardiac surgery
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Ohio 44195, USA
    Semin Cardiothorac Vasc Anesth 12:203-17. 2008
    ..Strategies for analyzing HRQOL data are inconsistent primarily because the data frequently do not meet underlying assumptions of traditional methods for statistical analyses and require a careful analytic approach...
  20. ncbi request reprint Gender profiling in coronary artery bypass grafting
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia G 3, The Cleveland Clinic Foundation, Ohio 44195, USA
    J Thorac Cardiovasc Surg 126:2044-51. 2003
    ..Therefore, the objective of this study was to characterize the difference between the female and male profiles of patients presenting for coronary artery bypass grafting...
  21. doi request reprint The least of 3 evils: exposure to red blood cell transfusion, anemia, or both?
    Gabriel Loor
    Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
    J Thorac Cardiovasc Surg 146:1480-1487.e6. 2013
    ..We aimed to clarify the effects of anemia, transfusion, and their combination to identify which imposes the greatest risk of end-organ dysfunction and mortality...
  22. doi request reprint Preoperative statin therapy is not associated with a reduced incidence of postoperative acute kidney injury after cardiac surgery
    Maged Argalious
    Department of General Anesthesiology, Cleveland Clinic, 9500 Euclid Ave G30, Cleveland, OH 44195, USA
    Anesth Analg 111:324-30. 2010
    ..Our objective was to examine the association between preoperative statin therapy and the prevalence of postoperative acute kidney injury (AKI) in patients undergoing cardiac surgery with the use of cardiopulmonary bypass...
  23. doi request reprint Nadir hematocrit during cardiopulmonary bypass: end-organ dysfunction and mortality
    Gabriel Loor
    Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, Ohio, USA
    J Thorac Cardiovasc Surg 144:654-662.e4. 2012
    ..To discover the effects of the lowest hematocrit during cardiopulmonary bypass on end-organ function and mortality in patients who did not receive red blood cell transfusion and to identify predictors of nadir hematocrit...
  24. doi request reprint Statin therapy is associated with fewer infections after cardiac operations
    Matteo Trezzi
    Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, Ohio 44195, USA
    Ann Thorac Surg 95:892-900. 2013
    ..Therefore, we examined the association between preoperative statin therapy and infections after cardiac operations and assessed whether statin therapy was associated with lower infection-related mortality...
  25. doi request reprint Process improvement in cardiac surgery: development and implementation of a reoperation for bleeding checklist
    Gabriel Loor
    Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
    J Thorac Cardiovasc Surg 146:1028-32. 2013
    ..Reoperation for bleeding is an event associated with considerable morbidity risk. Hence, our primary objective was to develop and implement a formal operative checklist to reduce technical reasons for postoperative bleeding...
  26. doi request reprint Outcome of patients who refuse transfusion after cardiac surgery: a natural experiment with severe blood conservation
    Gregory Pattakos
    Heart and Vascular Institute, Departments of Thoracic and Cardiovascular Surgery, Cleveland Clinic, OH 44195, USA
    Arch Intern Med 172:1154-60. 2012
    ..Our objective was to compare morbidity and long-term survival of Witnesses undergoing cardiac surgery with a similarly matched group of patients who received transfusions...
  27. doi request reprint Morbidity of bleeding after cardiac surgery: is it blood transfusion, reoperation for bleeding, or both?
    Alessandro Vivacqua
    Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA
    Ann Thorac Surg 91:1780-90. 2011
    ....
  28. doi request reprint Influence of concentric left ventricular remodeling on early mortality after aortic valve replacement
    Andra Ibrahim Duncan
    Department of Cardiothoracic Anesthesia, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
    Ann Thorac Surg 85:2030-9. 2008
    ....
  29. ncbi request reprint "Renal dose" dopamine is associated with the risk of new-onset atrial fibrillation after cardiac surgery
    Maged Argalious
    Department of General Anesthesiology, The Cleveland Clinic Foundation, Cleveland OH 44195, USA
    Crit Care Med 33:1327-32. 2005
    ..The objective of this investigation was to determine whether there was an association between rDA and new-onset pAF in patients undergoing coronary artery bypass grafting with cardiopulmonary bypass (CABG)...
  30. doi request reprint Transfusion increases the risk for vasoplegia after cardiac operations
    Andrej Alfirevic
    Department of Cardiothoracic Anesthesiology, Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA
    Ann Thorac Surg 92:812-9. 2011
    ..We investigated the prevalence of mild and profound postoperative vasoplegia, identified factors associated with its development, and examined the role of RBC and component transfusion on the occurrence of postoperative vasoplegia...
  31. doi request reprint Hospital-acquired anemia: Prevalence, outcomes, and healthcare implications
    Colleen G Koch
    Department, of Cardiothoracic Anesthesia, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio Quality and Patient Safety Institute, Cleveland Clinic, Cleveland, Ohio
    J Hosp Med 8:506-12. 2013
    ..Our objectives were to (1) determine the prevalence of HAA and (2) examine whether HAA is associated with increased mortality, length of stay (LOS), and total hospital charges...
  32. doi request reprint Role of intraoperative and postoperative blood glucose concentrations in predicting outcomes after cardiac surgery
    Andra E Duncan
    Departments of Cardiothoracic Anesthesia and Outcomes Research, Cleveland Clinic, Cleveland, Ohio 44195, USA
    Anesthesiology 112:860-71. 2010
    ..Risk associated with decreasing increments of glucose concentrations, hypoglycemia, and diabetic status was also examined...
  33. ncbi request reprint What does transesophageal echocardiography add to valvular heart surgery?
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, G 3, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195, USA
    Anesthesiol Clin North America 21:587-611. 2003
    ..As the technology of TEE and its application advance, so too should the ability to diagnose and manage valvular pathologies, broaden the range of surgical options, and ultimately improve patient outcomes...
  34. ncbi request reprint The impact of gender on in-hospital mortality and morbidity after isolated aortic valve replacement
    Andra Ibrahim Duncan
    Department of Cardiothoracic Anesthesia, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
    Anesth Analg 103:800-8. 2006
    ..88) nor other morbidities. These results suggest that there is no greater than a 2.5-fold increase in risk for females compared with males undergoing AVR. Female gender, however, may impart increased risk for cardiac morbidity after AVR...
  35. doi request reprint The effect of postoperative gastrointestinal complications in patients undergoing coronary artery bypass surgery
    José L Díaz-Gómez
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, Ohio 45195, USA
    Ann Thorac Surg 90:109-15. 2010
    ..We thus identified variables associated with GI complications and analyzed their effect on postoperative mortality in patients undergoing isolated CABG...
  36. ncbi request reprint Prevalence of risk factors, and not gender per se, determines short- and long-term survival after coronary artery bypass surgery
    Colleen Gorman Koch
    Cleveland Clinic Foundation, OH, USA
    J Cardiothorac Vasc Anesth 17:585-93. 2003
    ..Studies that have compared postoperative survival in women and men beyond hospital discharge report disparate results with regard to the independent effect of gender per se on ultimate survival...
  37. doi request reprint Transverse sinus hemangioma
    Brian Fitzsimons
    Department of General Anesthesiology, The Cleveland Clinic Foundation, Cleveland, OH, USA
    Anesth Analg 106:63-4. 2008
  38. ncbi request reprint Increased risk associated with combined carotid endarterectomy and coronary artery bypass graft surgery: a propensity-matched comparison with isolated coronary artery bypass graft surgery
    Jacek B Cywinski
    Department of General Anesthesia, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA
    J Cardiothorac Vasc Anesth 20:796-802. 2006
    ..The present study objective was to compare morbidity and mortality outcomes in well-matched patients who underwent combined CEA/CABG surgery with patients undergoing isolated CABG surgery with and without a history of a prior CEA...
  39. doi request reprint Platelet transfusion in cardiac surgery does not confer increased risk for adverse morbid outcomes
    Tory McGrath
    Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, Ohio, USA
    Ann Thorac Surg 86:543-53. 2008
    ..Our objective was to examine the impact of platelet transfusion on outcomes in cardiac surgery controlling perioperative risk factors...
  40. doi request reprint Predictors of prolonged postoperative endotracheal intubation in patients undergoing thoracotomy for lung resection
    Jacek B Cywinski
    Department of General Anesthesiology, Cleveland Clinic, Cleveland, OH 44195, USA
    J Cardiothorac Vasc Anesth 23:766-9. 2009
    ..The aim of this study was to identify predictors of delayed endotracheal extubation defined as the need for postoperative ventilatory support after open thoracotomy for lung resection...
  41. ncbi request reprint Recent metformin ingestion does not increase in-hospital morbidity or mortality after cardiac surgery
    Andra I Duncan
    Department of Cardiothoracic Anesthesia, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
    Anesth Analg 104:42-50. 2007
    ..In this investigation we sought to determine the influence of metformin treatment on mortality and morbidity compared with treatment with other oral hypoglycemic drugs in diabetic patients undergoing cardiac surgery...
  42. ncbi request reprint Morbidity and mortality risk associated with red blood cell and blood-component transfusion in isolated coronary artery bypass grafting
    Colleen Gorman Koch
    Department of Cardiothoracic Anesthesia, The Cleveland Clinic Foundation, Cleveland, OH, USA
    Crit Care Med 34:1608-16. 2006
    ..Our objective was to quantify incremental risk associated with transfusion of packed red blood cells and other blood components on morbidity after coronary artery bypass grafting...
  43. doi request reprint Transfusion of older red blood cells is associated with decreased graft survival after orthotopic liver transplantation
    Jacek B Cywinski
    Departments of General Anesthesiology, Cleveland Clinic, Cleveland, OH Outcomes Research, Cleveland Clinic, Cleveland, OH
    Liver Transpl 19:1181-8. 2013
    ..65, 95% confidence interval = 1.18-2.31). In conclusion, patients who received intraoperative transfusions of RBCs with longer storage times had an increased risk of adverse outcomes. Liver Transpl 19:1181-1188, 2013. © 2013 AASLD. ..
  44. ncbi request reprint Case 4--2005. Utility of transesophageal echocardiography in the diagnosis of a previously undetected atrial septal aneurysm with shunt
    Michelle Capdeville
    Department of Anesthesiology, University Hospitals of Cleveland Case Western Reserve University School of Medicine, 11000 Euclid Avenue, Lakeside 2531, Cleveland, OH 44106, USA
    J Cardiothorac Vasc Anesth 19:529-38. 2005
  45. doi request reprint Preoperative statin intake and morbid events after isolated coronary artery bypass grafting
    Kathirvel Subramaniam
    Department of Anesthesiology, UPMC Presbyterian Hospital, Pittsburgh, PA, USA
    J Clin Anesth 20:4-11. 2008
    ..To examine the effect of statins on morbidity and mortality in patients after isolated coronary artery bypass grafting (CABG)...
  46. ncbi request reprint Long-term benefits of coronary bypass surgery: are the gains for women less than for men?
    Viola Vaccarino
    J Thorac Cardiovasc Surg 126:1707-11. 2003
  47. doi request reprint Con: newly appreciated pathophysiology of ischemic heart disease in women mandates changes in perioperative management
    Colleen Gorman Koch
    Anesth Analg 107:33-6. 2008