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Karl E Hammermeister

TitleProfessor-Clinical
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-MED
Phone303/724-0164

    Collapse Research 
    Collapse research activities and funding
    RC1HL101071     (HAMMERMEISTER, KARL)Sep 30, 2009 - Jul 31, 2012
    NIH/NHLBI
    A Cardiovascular Risk Reduction Learning Community in DARTNet
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Hicks CW, Bronsert M, Hammermeister KE, Henderson WG, Gibula DR, Black JH, Glebova NO. Operative variables are better predictors of postdischarge infections and unplanned readmissions in vascular surgery patients than patient characteristics. J Vasc Surg. 2017 Apr; 65(4):1130-1141.e9. PMID: 28017586.
      View in: PubMed
    2. Lin Y, Meguid RA, Hosokawa PW, Henderson WG, Hammermeister KE, Schulick RD, Shelstad RC, Wild TT, McIntyre RC. An institutional analysis of unplanned return to the operating room to identify areas for quality improvement. Am J Surg. 2017 Jul; 214(1):1-6. PMID: 28057294.
      View in: PubMed
    3. Meguid RA, Henderson WG, Juarez-Colunga E, Hammermeister KE, Bronsert MR. Reply to Letter: "Redesigning ACS-NSQIP Data Collection and Reports Will This Translate Into Better Outcomes?" Ann Surg. 2016 Jul 22. PMID: 27455154.
      View in: PubMed
    4. Meguid RA, Bronsert MR, Juarez-Colunga E, Hammermeister KE, Henderson WG. Surgical Risk Preoperative Assessment System (SURPAS): II. Parsimonious Risk Models for Postoperative Adverse Outcomes Addressing Need for Laboratory Variables and Surgeon Specialty-specific Models. Ann Surg. 2016 Jul; 264(1):10-22. PMID: 26945154.
      View in: PubMed
    5. Meguid RA, Bronsert MR, Juarez-Colunga E, Hammermeister KE, Henderson WG. Surgical Risk Preoperative Assessment System (SURPAS): III. Accurate Preoperative Prediction of 8 Adverse Outcomes Using 8 Predictor Variables. Ann Surg. 2016 Jul; 264(1):23-31. PMID: 26928465.
      View in: PubMed
    6. Hammermeister KE, Henderson WG, Bronsert MR, Juarez-Colunga E, Meguid RA. Bringing Quantitative Risk Assessment Closer to the Patient and Surgeon: A Novel Approach to Improve Outcomes. Ann Surg. 2016 Jun; 263(6):1039-41. PMID: 27167560.
      View in: PubMed
    7. Meguid RA, Bronsert MR, Juarez-Colunga E, Hammermeister KE, Henderson WG. Surgical Risk Preoperative Assessment System (SURPAS): I. Parsimonious, Clinically Meaningful Groups of Postoperative Complications by Factor Analysis. Ann Surg. 2016 Jun; 263(6):1042-8. PMID: 26954897.
      View in: PubMed
    8. Glebova NO, Bronsert M, Hicks CW, Malas MB, Hammermeister KE, Black JH, Nehler MR, Henderson WG. Contributions of planned readmissions and patient comorbidities to high readmission rates in vascular surgery patients. J Vasc Surg. 2016 Mar; 63(3):746-55.e2. PMID: 26916584.
      View in: PubMed
    9. Kwan BM, Sills MR, Graham D, Hamer MK, Fairclough DL, Hammermeister KE, Kaiser A, de Jesus Diaz-Perez M, Schilling LM. Stakeholder Engagement in a Patient-Reported Outcomes (PRO) Measure Implementation: A Report from the SAFTINet Practice-based Research Network (PBRN). J Am Board Fam Med. 2016 Jan-Feb; 29(1):102-15. PMID: 26769882.
      View in: PubMed
    10. Monk TG, Bronsert MR, Henderson WG, Mangione MP, Sum-Ping ST, Bentt DR, Nguyen JD, Richman JS, Meguid RA, Hammermeister KE. Association between Intraoperative Hypotension and Hypertension and 30-day Postoperative Mortality in Noncardiac Surgery. Anesthesiology. 2015 Aug; 123(2):307-19. PMID: 26083768.
      View in: PubMed
    11. Moore HB, Juarez-Colunga E, Bronsert M, Hammermeister KE, Henderson WG, Moore EE, Meguid RA. Effect of Pregnancy on Adverse Outcomes After General Surgery. JAMA Surg. 2015 Jul; 150(7):637-43. PMID: 25969946.
      View in: PubMed
    12. Hammermeister K, Bronsert M, Henderson WG, Coombs L, Hosokawa P, Brandt E, Bryan C, Valuck R, West D, Liaw W, Ho M, Pace W. Risk-adjusted comparison of blood pressure and low-density lipoprotein (LDL) noncontrol in primary care offices. J Am Board Fam Med. 2013 Nov-Dec; 26(6):658-68. PMID: 24204062; PMCID: PMC4544740.
    13. Bronsert MR, Henderson WG, Valuck R, Hosokawa P, Hammermeister K. Comparative effectiveness of antihypertensive therapeutic classes and treatment strategies in the initiation of therapy in primary care patients: a Distributed Ambulatory Research in Therapeutics Network (DARTNet) study. J Am Board Fam Med. 2013 Sep-Oct; 26(5):529-38. PMID: 24004705; PMCID: PMC3918237.
    14. Hammermeister K. The National Surgical Quality Improvement Program: learning from the past and moving to the future. Am J Surg. 2009 Nov; 198(5 Suppl):S69-73. PMID: 19874938.
      View in: PubMed
    15. Hammermeister KE, Fairclough D, Emsermann CB, Hamman R, Ho M, Phibbs S, Plomondon M, Valuck R, West D, Steiner JF. Effectiveness of hydralazine/isosorbide dinitrate in racial/ethnic subgroups with heart failure. Clin Ther. 2009 Mar; 31(3):632-43. PMID: 19393854.
      View in: PubMed
    16. Khuri SF, Henderson WG, Daley J, Jonasson O, Jones RS, Campbell DA, Fink AS, Mentzer RM, Neumayer L, Hammermeister K, Mosca C, Healey N. Successful implementation of the Department of Veterans Affairs' National Surgical Quality Improvement Program in the private sector: the Patient Safety in Surgery study. Ann Surg. 2008 Aug; 248(2):329-36. PMID: 18650645.
      View in: PubMed
    17. Dillon P, Hammermeister K, Morrato E, Kempe A, Oldham K, Moss L, Marchildon M, Ziegler M, Steeger J, Rowell K, Shiloach M, Henderson W. Developing a NSQIP module to measure outcomes in children's surgical care: opportunity and challenge. Semin Pediatr Surg. 2008 May; 17(2):131-40. PMID: 18395663.
      View in: PubMed
    18. Ho PM, Prochazka AV, Magid DJ, Sales AE, Grunwald GK, Hammermeister KE, Rumsfeld JS. The association between processes, structures and outcomes of secondary prevention care among VA ischemic heart disease patients. BMC Cardiovasc Disord. 2006 Feb 09; 6:6. PMID: 16469100; PMCID: PMC1413554.
    19. Goffaux J, Friesinger GC, Lambert W, Shroyer LW, Moritz TE, McCarthy M, Henderson WG, Hammermeister KE. Biological age--a concept whose time has come: a preliminary study. South Med J. 2005 Oct; 98(10):985-93. PMID: 16295813.
      View in: PubMed
    20. Ho PM, Masoudi FA, Peterson PN, Shroyer AL, McCarthy M, Grover FL, Hammermeister KE, Rumsfeld JS. Health-related quality of life predicts mortality in older but not younger patients following cardiac surgery. Am J Geriatr Cardiol. 2005 Jul-Aug; 14(4):176-82. PMID: 16015058.
      View in: PubMed
    21. Ho PM, Masoudi FA, Spertus JA, Peterson PN, Shroyer AL, McCarthy M, Grover FL, Hammermeister KE, Rumsfeld JS. Depression predicts mortality following cardiac valve surgery. Ann Thorac Surg. 2005 Apr; 79(4):1255-9. PMID: 15797059.
      View in: PubMed
    22. Ho PM, Masoudi FA, Peterson ED, Grunwald GK, Sales AE, Hammermeister KE, Rumsfeld JS. Cardiology management improves secondary prevention measures among patients with coronary artery disease. J Am Coll Cardiol. 2004 May 05; 43(9):1517-23. PMID: 15120805.
      View in: PubMed
    23. Rumsfeld JS, Ho PM, Magid DJ, McCarthy M, Shroyer AL, MaWhinney S, Grover FL, Hammermeister KE. Predictors of health-related quality of life after coronary artery bypass surgery. Ann Thorac Surg. 2004 May; 77(5):1508-13. PMID: 15111134.
      View in: PubMed
    24. Ho PM, Arciniegas DB, Grigsby J, McCarthy M, McDonald GO, Moritz TE, Shroyer AL, Sethi GK, Henderson WG, London MJ, VillaNueva CB, Grover FL, Hammermeister KE. Predictors of cognitive decline following coronary artery bypass graft surgery. Ann Thorac Surg. 2004 Feb; 77(2):597-603; discussion 603. PMID: 14759444.
      View in: PubMed
    25. O'Brien MM, Shroyer AL, Moritz TE, London MJ, Grunwald GK, Villanueva CB, Thottapurathu LG, MaWhinney S, Marshall G, McCarthy M, Henderson WG, Sethi GK, Grover FL, Hammermeister KE. Relationship between processes of care and coronary bypass operative mortality and morbidity. Med Care. 2004 Jan; 42(1):59-70. PMID: 14713740.
      View in: PubMed
    26. Hammermeister K, Gethoffer H. Reducing major vascular events among VA primary care patients: an extraordinary opportunity. Clin Cornerstone. 2003; Suppl 1:S2-10. PMID: 14699986.
      View in: PubMed
    27. Marshall G, Warner B, MaWhinney S, Hammermeister K. Prospective prediction in the presence of missing data. Stat Med. 2002 Feb 28; 21(4):561-70. PMID: 11836736.
      View in: PubMed
    28. Rumsfeld JS, Magid DJ, O'Brien M, McCarthy M, MaWhinney S, Shroyer AL, Moritz TE, Henderson WG, Sethi GK, Grover FL, Hammermeister KE. Changes in health-related quality of life following coronary artery bypass graft surgery. Ann Thorac Surg. 2001 Dec; 72(6):2026-32. PMID: 11789788.
      View in: PubMed
    29. Grover FL, Shroyer AL, Hammermeister K, Edwards FH, Ferguson TB, Dziuban SW, Cleveland JC, Clark RE, McDonald G. A decade's experience with quality improvement in cardiac surgery using the Veterans Affairs and Society of Thoracic Surgeons national databases. Ann Surg. 2001 Oct; 234(4):464-72; discussion 472-4. PMID: 11573040; PMCID: PMC1422070.
    30. Khuri SF, Najjar SF, Daley J, Krasnicka B, Hossain M, Henderson WG, Aust JB, Bass B, Bishop MJ, Demakis J, DePalma R, Fabri PJ, Fink A, Gibbs J, Grover F, Hammermeister K, McDonald G, Neumayer L, Roswell RH, Spencer J, Turnage RH. Comparison of surgical outcomes between teaching and nonteaching hospitals in the Department of Veterans Affairs. Ann Surg. 2001 Sep; 234(3):370-82; discussion 382-3. PMID: 11524590; PMCID: PMC1422028.
    31. Hammermeister K, Sethi GK, Henderson WG, Grover FL, Oprian C, Rahimtoola SH. Outcomes 15 years after valve replacement with a mechanical versus a bioprosthetic valve: final report of the Veterans Affairs randomized trial. J Am Coll Cardiol. 2000 Oct; 36(4):1152-8. PMID: 11028464.
      View in: PubMed
    32. MaWhinney S, Brown ER, Malcolm J, VillaNueva C, Groves BM, Quaife RA, Lindenfeld J, Warner BA, Hammermeister KE, Grover FL, Shroyer AL. Identification of risk factors for increased cost, charges, and length of stay for cardiac patients. Ann Thorac Surg. 2000 Sep; 70(3):702-10. PMID: 11016297.
      View in: PubMed
    33. Anderson RJ, O'Brien M, MaWhinney S, VillaNueva CB, Moritz TE, Sethi GK, Henderson WG, Hammermeister KE, Grover FL, Shroyer AL. Mild renal failure is associated with adverse outcome after cardiac valve surgery. Am J Kidney Dis. 2000 Jun; 35(6):1127-34. PMID: 10845827.
      View in: PubMed
    34. Khuri SF, Daley J, Henderson W, Hur K, Hossain M, Soybel D, Kizer KW, Aust JB, Bell RH, Chong V, Demakis J, Fabri PJ, Gibbs JO, Grover F, Hammermeister K, McDonald G, Passaro E, Phillips L, Scamman F, Spencer J, Stremple JF. Relation of surgical volume to outcome in eight common operations: results from the VA National Surgical Quality Improvement Program. Ann Surg. 1999 Sep; 230(3):414-29; discussion 429-32. PMID: 10493488; PMCID: PMC1420886.
    35. Almassi GH, Sommers T, Moritz TE, Shroyer AL, London MJ, Henderson WG, Sethi GK, Grover FL, Hammermeister KE. Stroke in cardiac surgical patients: determinants and outcome. Ann Thorac Surg. 1999 Aug; 68(2):391-7; discussion 397-8. PMID: 10475402.
      View in: PubMed
    36. Rumsfeld JS, MaWhinney S, McCarthy M, Shroyer AL, VillaNueva CB, O'Brien M, Moritz TE, Henderson WG, Grover FL, Sethi GK, Hammermeister KE. Health-related quality of life as a predictor of mortality following coronary artery bypass graft surgery. Participants of the Department of Veterans Affairs Cooperative Study Group on Processes, Structures, and Outcomes of Care in Cardiac Surgery. JAMA. 1999 Apr 14; 281(14):1298-303. PMID: 10208145.
      View in: PubMed
    37. Anderson RJ, O'brien M, MaWhinney S, VillaNueva CB, Moritz TE, Sethi GK, Henderson WG, Hammermeister KE, Grover FL, Shroyer AL. Renal failure predisposes patients to adverse outcome after coronary artery bypass surgery. VA Cooperative Study #5. Kidney Int. 1999 Mar; 55(3):1057-62. PMID: 10027944.
      View in: PubMed
    38. Khuri SF, Daley J, Henderson W, Hur K, Demakis J, Aust JB, Chong V, Fabri PJ, Gibbs JO, Grover F, Hammermeister K, Irvin G, McDonald G, Passaro E, Phillips L, Scamman F, Spencer J, Stremple JF. The Department of Veterans Affairs' NSQIP: the first national, validated, outcome-based, risk-adjusted, and peer-controlled program for the measurement and enhancement of the quality of surgical care. National VA Surgical Quality Improvement Program. Ann Surg. 1998 Oct; 228(4):491-507. PMID: 9790339; PMCID: PMC1191523.
    39. London MJ, Shroyer AL, Coll JR, MaWhinney S, Fullerton DA, Hammermeister KE, Grover FL. Early extubation following cardiac surgery in a veterans population. Anesthesiology. 1998 Jun; 88(6):1447-58. PMID: 9637636.
      View in: PubMed
    40. Chertow GM, Levy EM, Hammermeister KE, Grover F, Daley J. Independent association between acute renal failure and mortality following cardiac surgery. Am J Med. 1998 Apr; 104(4):343-8. PMID: 9576407.
      View in: PubMed
    41. Marshall G, Shroyer AL, Grover FL, Hammermeister KE. Time series monitors of outcomes. A new dimension for measuring quality of care. Med Care. 1998 Mar; 36(3):348-56. PMID: 9520959.
      View in: PubMed
    42. Khuri SF, Daley J, Henderson W, Hur K, Gibbs JO, Barbour G, Demakis J, Irvin G, Stremple JF, Grover F, McDonald G, Passaro E, Fabri PJ, Spencer J, Hammermeister K, Aust JB. Risk adjustment of the postoperative mortality rate for the comparative assessment of the quality of surgical care: results of the National Veterans Affairs Surgical Risk Study. J Am Coll Surg. 1997 Oct; 185(4):315-27. PMID: 9328380.
      View in: PubMed
    43. Almassi GH, Schowalter T, Nicolosi AC, Aggarwal A, Moritz TE, Henderson WG, Tarazi R, Shroyer AL, Sethi GK, Grover FL, Hammermeister KE. Atrial fibrillation after cardiac surgery: a major morbid event? Ann Surg. 1997 Oct; 226(4):501-11; discussion 511-3. PMID: 9351718; PMCID: PMC1191069.
    44. Daley J, Khuri SF, Henderson W, Hur K, Gibbs JO, Barbour G, Demakis J, Irvin G, Stremple JF, Grover F, McDonald G, Passaro E, Fabri PJ, Spencer J, Hammermeister K, Aust JB, Oprian C. Risk adjustment of the postoperative morbidity rate for the comparative assessment of the quality of surgical care: results of the National Veterans Affairs Surgical Risk Study. J Am Coll Surg. 1997 Oct; 185(4):328-40. PMID: 9328381.
      View in: PubMed
    45. Brennecke R, Hammermeister K. Computers and the Internet in cardiac care. Will cardiology rise to this extraordinary opportunity? Eur Heart J. 1997 Sep; 18(9):1382-4. PMID: 9458442.
      View in: PubMed
    46. London MJ, Shroyer AL, Jernigan V, Fullerton DA, Wilcox D, Baltz J, Brown JM, MaWhinney S, Hammermeister KE, Grover FL. Fast-track cardiac surgery in a Department of Veterans Affairs patient population. Ann Thorac Surg. 1997 Jul; 64(1):134-41. PMID: 9236349.
      View in: PubMed
    47. Jones RH, Ritchie JL, Fleming BB, Hammermeister KE, Leape LL. 28th Bethesda Conference. Task Force 1: Clinical practice guideline development, dissemination and computerization. J Am Coll Cardiol. 1997 May; 29(6):1133-41. PMID: 9137206.
      View in: PubMed
    48. Chertow GM, Lazarus JM, Christiansen CL, Cook EF, Hammermeister KE, Grover F, Daley J. Preoperative renal risk stratification. Circulation. 1997 Feb 18; 95(4):878-84. PMID: 9054745.
      View in: PubMed
    49. Weintraub WS, McKay CR, Riner RN, Ellis SG, Frommer PL, Carmichael DB, Hammermeister KE, Effros MN, Bost JE, Bodycombe DP. The American College of Cardiology National Database: progress and challenges. American College of Cardiology Database Committee. J Am Coll Cardiol. 1997 Feb; 29(2):459-65. PMID: 9015006.
      View in: PubMed
    50. Jones RH, Hannan EL, Hammermeister KE, Delong ER, O'Connor GT, Luepker RV, Parsonnet V, Pryor DB. Identification of preoperative variables needed for risk adjustment of short-term mortality after coronary artery bypass graft surgery. The Working Group Panel on the Cooperative CABG Database Project. J Am Coll Cardiol. 1996 Nov 15; 28(6):1478-87. PMID: 8917261.
      View in: PubMed
    51. Grover FL, Shroyer AL, Hammermeister KE. Calculating risk and outcome: the Veterans Affairs database. Ann Thorac Surg. 1996 Nov; 62(5 Suppl):S6-11; discussion S31-2. PMID: 8893627.
      View in: PubMed
    52. Shroyer AL, Marshall G, Warner BA, Johnson RR, Guo W, Grover FL, Hammermeister KE. No continuous relationship between Veterans Affairs hospital coronary artery bypass grafting surgical volume and operative mortality. Ann Thorac Surg. 1996 Jan; 61(1):17-20. PMID: 8561546.
      View in: PubMed
    53. Grover FL, Hammermeister KE, Shroyer AL. Quality initiatives and the power of the database: what they are and how they run. Ann Thorac Surg. 1995 Nov; 60(5):1514-21. PMID: 8526678.
      View in: PubMed
    54. Hammermeister KE, Shroyer AL, Sethi GK, Grover FL. Why it is important to demonstrate linkages between outcomes of care and processes and structures of care. Med Care. 1995 Oct; 33(10 Suppl):OS5-16. PMID: 7475412.
      View in: PubMed
    55. Shroyer AL, London MJ, Sethi GK, Marshall G, Grover FL, Hammermeister KE. Relationships between patient-related risk factors, processes, structures, and outcomes of cardiac surgical care. Conceptual models. Med Care. 1995 Oct; 33(10 Suppl):OS26-34. PMID: 7475409.
      View in: PubMed
    56. Henderson WG, Moritz TE, Shroyer AL, Johnson R, Marshall G, Ellis NK, Sethi GK, Grover FL, Hammermeister KE. An analysis of interobserver reliability and representativeness of data from the Veterans Affairs Cooperative Study on Processes, Structures, and Outcomes in Cardiac Surgery. Med Care. 1995 Oct; 33(10 Suppl):OS86-101. PMID: 7475416.
      View in: PubMed
    57. Tobler HG, Sethi GK, Grover FL, Shroyer AL, Moritz TE, Henderson WG, Hammermeister KE. Variations in processes and structures of cardiac surgery practice. Med Care. 1995 Oct; 33(10 Suppl):OS43-58. PMID: 7475411.
      View in: PubMed
    58. VillaNueva CB, Ludwig ST, Shroyer AL, Deegan NI, Steeger JE, London MJ, Sethi GK, Grover FL, Hammermeister KE. Variations in the processes and structures of cardiac surgery nursing care. Med Care. 1995 Oct; 33(10 Suppl):OS59-65. PMID: 7475413.
      View in: PubMed
    59. Marshall G, Henderson WG, Moritz TE, Shroyer AL, Grover FL, Hammermeister KE. Statistical methods and strategies for working with large data bases. Med Care. 1995 Oct; 33(10 Suppl):OS35-42. PMID: 7475410.
      View in: PubMed
    60. Shroyer AL, London MJ, VillaNueva CB, Sethi GK, Marshall G, Moritz TE, Henderson WG, McCarthy MJ, Grover FL, Hammermeister KE. The Processes, Structures, and Outcomes of Care in Cardiac Surgery study protocol. Med Care. 1995 Oct; 33(10 Suppl):OS17-25. PMID: 7475408.
      View in: PubMed
    61. London MJ, Shroyer AL, Grover FL, Sethi GK, Moritz TE, Henderson WG, VillaNueva CB, Tobler HG, McCarthy MJ, Hammermeister KE. Evaluating anesthesia health care delivery for cardiac surgery. The role of process and structure variables. Med Care. 1995 Oct; 33(10 Suppl):OS66-75. PMID: 7475414.
      View in: PubMed
    62. Khuri SF, Daley J, Henderson W, Barbour G, Lowry P, Irvin G, Gibbs J, Grover F, Hammermeister K, Stremple JF, et al. The National Veterans Administration Surgical Risk Study: risk adjustment for the comparative assessment of the quality of surgical care. J Am Coll Surg. 1995 May; 180(5):519-31. PMID: 7749526.
      View in: PubMed
    63. Hammermeister KE. Risk, predicting outcomes, and improving care. Circulation. 1995 Feb 01; 91(3):899-900. PMID: 7828319.
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    64. Morrison DA, Sacks J, Grover F, Hammermeister KE. Effectiveness of percutaneous transluminal coronary angioplasty for patients with medically refractory rest angina pectoris and high risk of adverse outcomes with coronary artery bypass grafting. Am J Cardiol. 1995 Feb 01; 75(4):237-40. PMID: 7832130.
      View in: PubMed
    65. Hammermeister KE, Daley J, Grover FL. Using outcomes data to improve clinical practice: what we have learned. Ann Thorac Surg. 1994 Dec; 58(6):1809-11. PMID: 7979773.
      View in: PubMed
    66. Shroyer AL, Dauber I, Jones RH, Daley J, Grover FL, Hammermeister KE. Provider perceptions in using outcomes data to improve clinical practice. Ann Thorac Surg. 1994 Dec; 58(6):1877-80. PMID: 7979786.
      View in: PubMed
    67. Grover FL, Johnson RR, Shroyer AL, Marshall G, Hammermeister KE. The Veterans Affairs Continuous Improvement in Cardiac Surgery Study. Ann Thorac Surg. 1994 Dec; 58(6):1845-51. PMID: 7979780.
      View in: PubMed
    68. Hammermeister KE. Participatory continuous improvement. Ann Thorac Surg. 1994 Dec; 58(6):1815-21. PMID: 7979775.
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    69. Steiner JF, Robbins LJ, Hammermeister KE, Roth SC, Hammond WS. Incidence of digoxin toxicity in outpatients. West J Med. 1994 Nov; 161(5):474-8. PMID: 7810124; PMCID: PMC1022674.
    70. Marshall G, Grover FL, Henderson WG, Hammermeister KE. Assessment of predictive models for binary outcomes: an empirical approach using operative death from cardiac surgery. Stat Med. 1994 Aug 15; 13(15):1501-11. PMID: 7973229.
      View in: PubMed
    71. Grover FL, Cohen DJ, Oprian C, Henderson WG, Sethi G, Hammermeister KE. Determinants of the occurrence of and survival from prosthetic valve endocarditis. Experience of the Veterans Affairs Cooperative Study on Valvular Heart Disease. J Thorac Cardiovasc Surg. 1994 Aug; 108(2):207-14. PMID: 8041168.
      View in: PubMed
    72. Marshall G, Shroyer AL, Grover FL, Hammermeister KE. Bayesian-logit model for risk assessment in coronary artery bypass grafting. Ann Thorac Surg. 1994 Jun; 57(6):1492-9; discussion 1500. PMID: 8010792.
      View in: PubMed
    73. Grover FL, Johnson RR, Marshall G, Hammermeister KE. Impact of mammary grafts on coronary bypass operative mortality and morbidity. Department of Veterans Affairs Cardiac Surgeons. Ann Thorac Surg. 1994 Mar; 57(3):559-68; discussion 568-9. PMID: 8147622.
      View in: PubMed
    74. Hammermeister KE, Johnson R, Marshall G, Grover FL. Continuous assessment and improvement in quality of care. A model from the Department of Veterans Affairs Cardiac Surgery. Ann Surg. 1994 Mar; 219(3):281-90. PMID: 8147609; PMCID: PMC1243136.
    75. Hwang MH, Burchfiel CM, Sethi GK, Oprian C, Grover FL, Henderson WG, Hammermeister K. Comparison of the causes of late death following aortic and mitral valve replacement. VA Co-operative Study on Valvular Heart Disease. J Heart Valve Dis. 1994 Jan; 3(1):17-24. PMID: 8162209.
      View in: PubMed
    76. Grover FL, Johnson RR, Marshall G, Hammermeister KE. Factors predictive of operative mortality among coronary artery bypass subsets. Ann Thorac Surg. 1993 Dec; 56(6):1296-306; discussion 1306-7. PMID: 8267428.
      View in: PubMed
    77. Hammermeister KE, Sethi GK, Henderson WG, Oprian C, Kim T, Rahimtoola S. A comparison of outcomes in men 11 years after heart-valve replacement with a mechanical valve or bioprosthesis. Veterans Affairs Cooperative Study on Valvular Heart Disease. N Engl J Med. 1993 May 06; 328(18):1289-96. PMID: 8469251.
      View in: PubMed
    78. Morrison DA, Barbiere CC, Johnson R, Marshall G, Fullerton D, Hammermeister KE, Grover FL. Salvage angioplasty: an alternative to high risk surgery for unstable angina? Cathet Cardiovasc Diagn. 1992 Nov; 27(3):169-78. PMID: 1423571.
      View in: PubMed
    79. Folland ED, Kriegel BJ, Henderson WG, Hammermeister KE, Sethi GK. Implications of third heart sounds in patients with valvular heart disease. The Veterans Affairs Cooperative Study on Valvular Heart Disease. N Engl J Med. 1992 Aug 13; 327(7):458-62. PMID: 1625735.
      View in: PubMed
    80. Sethi GK, Hammermeister KE, Oprian C, Henderson W. Impact of resident training on postoperative morbidity in patients undergoing single valve replacement. Department of Veterans Affairs Cooperative Study on Valvular Heart Disease. J Thorac Cardiovasc Surg. 1991 Jun; 101(6):1053-9. PMID: 2038198.
      View in: PubMed
    81. Henderson WG, Fisher SG, Weber L, Hammermeister KE, Sethi G. Conditional power for arbitrary survival curves to decide whether to extend a clinical trial. Control Clin Trials. 1991 Apr; 12(2):304-13. PMID: 1645642.
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    82. Hammermeister KE, Morrison DA. Coronary bypass surgery for stable angina and unstable angina pectoris. Cardiol Clin. 1991 Feb; 9(1):135-55. PMID: 2029701.
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    83. Hammermeister KE, Burchfiel C, Johnson R, Grover FL. Identification of patients at greatest risk for developing major complications at cardiac surgery. Circulation. 1990 Nov; 82(5 Suppl):IV380-9. PMID: 2225429.
      View in: PubMed
    84. Grover FL, Hammermeister KE, Burchfiel C. Initial report of the Veterans Administration Preoperative Risk Assessment Study for Cardiac Surgery. Ann Thorac Surg. 1990 Jul; 50(1):12-26; discussion 27-8. PMID: 2196014.
      View in: PubMed
    85. Crawford MH, Souchek J, Oprian CA, Miller DC, Rahimtoola S, Giacomini JC, Sethi G, Hammermeister KE. Determinants of survival and left ventricular performance after mitral valve replacement. Department of Veterans Affairs Cooperative Study on Valvular Heart Disease. Circulation. 1990 Apr; 81(4):1173-81. PMID: 2317900.
      View in: PubMed
    86. Hammermeister KE. Adverse hemodynamic effects of antiarrhythmic drugs in congestive heart failure. Circulation. 1990 Mar; 81(3):1151-3. PMID: 2106400.
      View in: PubMed
    87. Burchfiel CM, Hammermeister KE, Krause-Steinrauf H, Sethi GK, Henderson WG, Crawford MH, Wong M. Left atrial dimension and risk of systemic embolism in patients with a prosthetic heart valve. Department of Veterans Affairs Cooperative Study on Valvular Heart Disease. J Am Coll Cardiol. 1990 Jan; 15(1):32-41. PMID: 2404048.
      View in: PubMed
    88. Hammermeister KE, Morrison DA. Extreme exertion and right ventricular function. J Am Coll Cardiol. 1990 Jan; 15(1):70-1. PMID: 2295744.
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    89. Pryor DB, Bruce RA, Chaitman BR, Fisher L, Gajewski J, Hammermeister KE, Pauker SG, Stokes J. Task Force I: Determination of prognosis in patients with ischemic heart disease. J Am Coll Cardiol. 1989 Oct; 14(4):1016-25. PMID: 2794262.
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    90. Hwang MH, Hammermeister KE, Oprian C, Henderson W, Bousvaros G, Wong M, Miller DC, Folland E, Sethi G. Preoperative identification of patients likely to have left ventricular dysfunction after aortic valve replacement. Participants in the Veterans Administration Cooperative Study on Valvular Heart Disease. Circulation. 1989 Sep; 80(3 Pt 1):I65-76. PMID: 2670330.
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    91. Folland ED, Oprian C, Giacomini J, Schechter E, Shabetai R, Henderson WG, Hammermeister KE, Sethi G. Complications of cardiac catheterization and angiography in patients with valvular heart disease. VA Cooperative Study on Valvular Heart Disease. Cathet Cardiovasc Diagn. 1989 May; 17(1):15-21. PMID: 2720763.
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    92. Sethi G, Oprian C, Miller DC, Khuri S, Cantor A, Henderson WG, Hammermeister KE. Operative mortality in patients undergoing single valve replacement in teaching institutions--early mortality as a function of resident versus staff surgeon. Surgery. 1988 Aug; 104(2):301-10. PMID: 3400061.
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    93. Cannon SR, Richards KL, Crawford MH, Folland ED, Pierpont G, Sethi GK, Hammermeister KE. Inadequacy of the Gorlin formula for predicting prosthetic valve area. Am J Cardiol. 1988 Jul 01; 62(1):113-6. PMID: 3381730.
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    94. Khuri SF, Folland ED, Sethi GK, Souchek J, Oprian C, Wong M, Burchfiel C, Henderson WG, Hammermeister KE. Six month postoperative hemodynamics of the Hancock heterograft and the Björk-Shiley prosthesis: results of a Veterans Administration cooperative prospective randomized trial. J Am Coll Cardiol. 1988 Jul; 12(1):8-18. PMID: 3288680.
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    95. Morrison DA, Ovitt T, Hammermeister KE. Functional tricuspid regurgitation and right ventricular dysfunction in pulmonary hypertension. Am J Cardiol. 1988 Jul 01; 62(1):108-12. PMID: 3381729.
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    96. Hammermeister KE, Henderson WG, Burchfiel CM, Sethi GK, Souchek J, Oprian C, Cantor AB, Folland E, Khuri S, Rahimtoola S. Comparison of outcome after valve replacement with a bioprosthesis versus a mechanical prosthesis: initial 5 year results of a randomized trial. J Am Coll Cardiol. 1987 Oct; 10(4):719-32. PMID: 3309002.
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    97. Cowgill LD, Campbell DN, Clarke DR, Hammermeister K, Groves BM, Woelfel GF. Ventricular septal defect due to nonpenetrating chest trauma: use of the intra-aortic balloon pump. J Trauma. 1987 Sep; 27(9):1087-90. PMID: 3656474.
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    98. Hammermeister KE, Gibson DG, Hughes D. Regional variation in the timing and extent of left ventricular wall motion in normal subjects. Br Heart J. 1986 Sep; 56(3):226-35. PMID: 3756040; PMCID: PMC1236847.
    99. Detre K, Murphy M, Hammermeister KE, Sako Y, Meadows WR. Veterans Administration Cooperative Study of medical versus surgical treatment for stable angina--progress report. Section 9. Effect of medical versus surgical treatment on resting left ventricular ejection fraction at five years. Prog Cardiovasc Dis. 1986 Jan-Feb; 28(4):293-9. PMID: 3511513.
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    100. Hammermeister KE. Is exertional hypotension a useful indicator of high risk coronary artery disease? Int J Cardiol. 1984 Jun; 5(6):757-61. PMID: 6746129.
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    101. Detre KM, Peduzzi P, Hammermeister KE, Murphy ML, Hultgren HN, Takaro T. Five-year effect of medical and surgical therapy on resting left ventricular function in stable angina: Veterans Administration Cooperative Study. Am J Cardiol. 1984 Feb 01; 53(4):444-50. PMID: 6364761.
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    102. Hammermeister KE, Caeiro T, Crespo E, Palmero H, Gibson DG. Left ventricular wall motion in patients with Chagas's disease. Br Heart J. 1984 Jan; 51(1):70-6. PMID: 6689924; PMCID: PMC482318.
    103. Hammermeister KE, DeRouen TA, Dodge HT, Zia M. Prognostic and predictive value of exertional hypotension in suspected coronary heart disease. Am J Cardiol. 1983 May 01; 51(8):1261-6. PMID: 6846154.
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    104. Hamilton WM, Hammermeister KE, DeRouen TA, Zia MS, Dodge HT. Effect of coronary artery bypass grafting on subsequent hospitalization. Am J Cardiol. 1983 Feb; 51(3):353-60. PMID: 6600574.
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    105. Hammermeister KE. The effect of coronary bypass surgery on survival. Prog Cardiovasc Dis. 1983 Jan-Feb; 25(4):297-334. PMID: 6336849.
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    106. Hammermeister KE. Myocardial infarction during coronary artery bypass surgery--not a benign event. Int J Cardiol. 1983; 2(5-6):516-8. PMID: 6601628.
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    107. Namay DL, Hammermeister KE, Zia MS, DeRouen TA, Dodge HT, Namay K. Effect of perioperative myocardial infarction on late survival in patients undergoing coronary artery bypass surgery. Circulation. 1982 Jun; 65(6):1066-71. PMID: 6122512.
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    108. Hammermeister KE, DeRouen TA, Dodge HT. Comparison of survival of medically and surgically treated coronary disease patients in Seattle Heart Watch: a nonrandomized study. Circulation. 1982 Jun; 65(7 Pt 2):53-9. PMID: 6979432.
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    109. Stratton JR, Ritchie JL, Hammermeister KE, Kennedy JW, Hamilton GW. Detection of left ventricular thrombi with radionuclide angiography. Am J Cardiol. 1981 Sep; 48(3):565-72. PMID: 7270462.
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    110. Hammermeister KE. The effect of surgical therapy on covariate-survival relationships in patients with mitral valve disease. Herz. 1981 Aug; 6(4):226-36. PMID: 7262813.
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    111. Stratton JR, Ritchie JL, Hamilton GW, Hammermeister KE, Harker LA. Left ventricular thrombi: in vivo detection by indium-111 platelet imaging and two dimensional echocardiography. Am J Cardiol. 1981 Apr; 47(4):874-81. PMID: 7211703.
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    112. DeRouen TA, Hammermeister KE, Dodge HT. Comparisons of the effects on survival after coronary artery surgery in subgroups of patients from the Seattle Heart Watch. Circulation. 1981 Mar; 63(3):537-45. PMID: 7460238.
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    113. Hammermeister KE. Intensive-care units. N Engl J Med. 1980 Sep 25; 303(13):759. PMID: 7402285.
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    114. Hammermeister KE, DeRouen TA, Dodge HT. Effect of coronary surgery on survival in asymptomatic and minimally symptomatic patients. Circulation. 1980 Aug; 62(2 Pt 2):I98-102. PMID: 6967380.
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    115. Hammermeister KE. Survival in patients with coronary disease. Circulation. 1979 Dec; 60(6):1427. PMID: 498469.
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    116. Folland E, Hammermeister KE, Khuri S, Rahimtoola SH, Sethi G, Souchek J. Randomized clinical trials in surgery. N Engl J Med. 1979 Nov 22; 301(21):1182-3. PMID: 492290.
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    117. Bruce RA, DeRouen TA, Hammermeister KE. Noninvasive screening criteria for enhanced 4-year survival after aortocoronary bypass surgery. Circulation. 1979 Sep; 60(3):638-46. PMID: 156607.
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    118. Hammermeister KE, DeRouen TA, English MT, Dodge HT. Effect of surgical versus medical therapy on return to work in patients with coronary artery disease. Am J Cardiol. 1979 Jul; 44(1):105-11. PMID: 313147.
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    119. Hammermeister KE, DeRouen TA, Dodge HT. Evidence from a nonrandomized study that coronary surgery prolongs survival in patients with two-vessel coronary disease. Circulation. 1979 Mar; 59(3):430-5. PMID: 761324.
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    120. Hammermeister KE, DeRouen TA, Dodge HT. Variables predictive of survival in patients with coronary disease. Selection by univariate and multivariate analyses from the clinical, electrocardiographic, exercise, arteriographic, and quantitative angiographic evaluations. Circulation. 1979 Mar; 59(3):421-30. PMID: 761323.
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    121. Hammermeister KE, Chikos PM, Fisher L, Dodge HT. Relationship of cardiothoracic ratio and plain film heart volume to late survival. Circulation. 1979 Jan; 59(1):89-95. PMID: 758128.
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    122. Hammermeister KE, VanDamme J. A simple, new system for maintaining measured quantities of saline cold and sterile for thermodilution cardiac output measurement. Cathet Cardiovasc Diagn. 1979; 5(1):95-9. PMID: 455433.
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    123. Hammermeister KE. Aortocoronary bypass grafting. Circulation. 1978 Sep; 58(3 Pt 1):575-6. PMID: 307993.
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    124. Boerth RC, Hammermeister KE, Warbasse JR. Comparative influence of ouabain, norepinephrine and heart rate on myocardial oxygen consumption and inotropic state in dogs. Am Heart J. 1978 Sep; 96(3):355-62. PMID: 685807.
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    125. Hammermeister KE. Cusp separation in aortic stenosis. Am J Cardiol. 1978 Mar; 41(3):616-7. PMID: 626144.
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    126. Hammermeister KE, Fisher L, Kennedy W, Samuels S, Dodge HT. Prediction of late survival in patients with mitral valve disease from clinical, hemodynamic, and quantitative angiographic variables. Circulation. 1978 Feb; 57(2):341-9. PMID: 618624.
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    127. Hammermeister KE, DeRouen TA, Murray JA, Dodge HT. Effect of aortocoronary saphenous vein bypass grafting on death and sudden death. Comparison of nonrandomized medically and surgically treated cohorts with comparable coronary disease and left ventricular function. Am J Cardiol. 1977 May 26; 39(6):925-34. PMID: 300986.
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    128. Hansing CE, Hammermeister K, Prindle K, Twiss R, Schwindt RR, Gowing B, Crecelaius TL, Robinson W. Cardiac catheterization experience in hospitals without cardiovascular surgery programs. Cathet Cardiovasc Diagn. 1977; 3(3):207-14. PMID: 912731.
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    129. Ritchie JL, Hammermeister KE, Kennedy JW. Refractory ventricular tachycardia and fibrillation in a patient with the prolapsing mitral leaflet syndrome: successful control with overdrive pacing. Am J Cardiol. 1976 Feb; 37(2):314-6. PMID: 1246958.
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    130. Ritchie JL, Hamilton GW, Gould KL, Allen D, Kennedy JW, Hammermeister KE. Myocardial imaging with indium- 113m- and technetium-99m-macroaggregated albumin. New procedure for identification of stress-induced regional ischemia. Am J Cardiol. 1975 Mar; 35(3):380-9. PMID: 1090141.
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    131. Silverstein DM, Hamilton GW, Hammermeister KE. The effect of external pressure diastolic augmentation on regional myocardial perfusion in experimental myocardial infarction. Cardiology. 1975; 60(6):329-42. PMID: 1231966.
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    132. Hammermeister KE, Kennedy JW. Predictors of surgical mortality in patients undergoing direct myocardial revascularization. Circulation. 1974 Aug; 50(2 Suppl):II112-5. PMID: 4846122.
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    133. Hammermeister KE, Warbasse JR. The rate of change of left ventricular volume in man. II. Diastolic events in health and disease. Circulation. 1974 Apr; 49(4):739-47. PMID: 4817711.
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    134. Hammermeister KE, Brooks RC, Warbasse JR. The rate of change of left ventricular volume in man. I. Validation and peak systolic ejection rate in health and disease. Circulation. 1974 Apr; 49(4):729-38. PMID: 4856332.
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    135. Hammermeister KE, Kennedy JW, Hamilton GW, Stewart DK, Gould KL, Lipscomb K, Murray JA. Aortocoronary saphenous-vein bypass. Failure of successful grafting to improve resting left ventricular function in chronic angina. N Engl J Med. 1974 Jan 24; 290(4):186-92. PMID: 4543585.
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    136. Kennedy JW, Hamilton GW, Murray JA, Hammermeister KE. The spectrum of abnormal left ventricular function in ischemic heart disease and the influence of successful saphenous vein grafting. Singapore Med J. 1973 Sep; 14(3):384-6. PMID: 4544275.
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    137. Hammermeister KE, Kennedy JW. Myocardial revascularization and ventricular performance. Circulation. 1973 Aug; 48(2):450-1. PMID: 4726224.
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    138. Hammermeister KE, Murray JA, Blackmon JR. Revision of Gorlin constant for calculation of mitral valve area from left heart pressures. Br Heart J. 1973 Apr; 35(4):392-6. PMID: 4702370; PMCID: PMC458625.
    139. Hammermeister KE, Warbasse JR. Immediate hemodynamic effects of cardiac angiography in man. Am J Cardiol. 1973 Mar; 31(3):307-14. PMID: 4687843.
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    140. Hammermeister KE, Boerth RC, Warbasse JR. The comparative inotropic effects of six clinically used antiarrhythmic agents. Am Heart J. 1972 Nov; 84(5):643-52. PMID: 4639738.
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    141. Hammermeister KE. Ventricular demand pacemakers. Am Heart J. 1972 Feb; 83(2):288-9. PMID: 5058320.
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    142. Thumala A, Hammermeister KE, Campbell WB, Pomerantz B, Overy H, Davies H. Hemodynamic studies with sotalol in man, performed at rest, during exercise, and during right ventricular pacing. Am Heart J. 1971 Oct; 82(4):439-47. PMID: 4398733.
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    143. Brooks RC, VandeLinde VD, Hammermeister KE, Warbasse JR. Digital filtering of left ventricular heart volume and calculation of aortic valve blood flow. Comput Biomed Res. 1971 Aug; 4(4):340-54. PMID: 5125347.
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    144. Hammermeister KE, Belcher HV. Acute streptococcal pericarditis: report of a case treated with pericardiectomy. Md State Med J. 1971 Jun; 20(6):50-4. PMID: 4946728.
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    145. Hammermeister KE, Merendino KA. Confusion due to similar LDH isoenzyme patterns in myocardial infarction and prosthetic valve hemolytic anemia. Ann Thorac Surg. 1971 May; 11(5):431-7. PMID: 5091151.
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    146. Hammermeister KE, Dillard DH, Kennedy JW. Severe, intermittent, mitral regurgitation in a Cross-Jones valve. Report of a case with angiocardiographic and hemodynamic observations. J Thorac Cardiovasc Surg. 1969 Oct; 58(4):575-80. PMID: 5344194.
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    147. Hammermeister KE, Reichenbach DD. QRS changes, pulmonary edema, and myocardial necrosis associated with subarachnoid hemorrhage. Am Heart J. 1969 Jul; 78(1):94-100. PMID: 5794802.
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    148. Hammermeister KE, Kennedy JW. Removal of broken cardiac catheters. N Engl J Med. 1968 Apr 18; 278(16):911. PMID: 5641166.
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    149. HAMMERMEISTER KE, YUNIS AA, KREBS EG. STUDIES ON PHOSPHORYLASE ACTIVATION IN THE HEART. J Biol Chem. 1965 Mar; 240:986-91. PMID: 14284767.
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    150. POSNER JB, HAMMERMEISTER KE, BRATVOLD GE, KREBS EG. THE ASSAY OF ADENOSINE-3' ,5'-PHOSPHATE IN SKELETAL MUSCLE. Biochemistry. 1964 Aug; 3:1040-4. PMID: 14220662.
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