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Peter Hammer, Ph.D.

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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. Hofferberth SC, Saeed MY, Tomholt L, Fernandes MC, Payne CJ, Price K, Marx GR, Esch JJ, Brown DW, Brown J, Hammer PE, Bianco RW, Weaver JC, Edelman ER, Del Nido PJ. A geometrically adaptable heart valve replacement. Sci Transl Med. 2020 02 19; 12(531). PMID: 32075944.
    Citations:    
  2. Weixler V, Marx GR, Hammer PE, Emani SM, Del Nido PJ, Friehs I. Flow disturbances and the development of endocardial fibroelastosis. J Thorac Cardiovasc Surg. 2019 Sep 26. PMID: 31668539.
    Citations:    
  3. Weixler V, Hammer PE, Marx GR, Emani SM, Del Nido PJ, Friehs I. Flow disturbances and progression of endocardial fibroelastosis - a case report. Cardiovasc Pathol. 2019 Sep - Oct; 42:1-3. PMID: 31150840.
    Citations:    
  4. Hofferberth SC, Baird CW, Hoganson DM, Quiñonez LG, Emani SM, Del Nido PJ, Hammer PE. Mechanical Properties of Autologous Pericardium Change With Fixation Time: Implications for Valve Reconstruction. Semin Thorac Cardiovasc Surg. 2019; 31(4):852-854. PMID: 30858112.
    Citations:    
  5. Berra IG, Hammer PE, Berra S, Irusta AO, Chang Ryu S, Perrin DP, Vasilyev NV, Cornelis CJ, Delucis PG, Del Nido PJ. An intraoperative test device for aortic valve repair. J Thorac Cardiovasc Surg. 2019 01; 157(1):126-132. PMID: 30557939.
    Citations:    Fields:    
  6. Karamichalis JM, Hammer PE. Innovation and science: The future of valve design. J Thorac Cardiovasc Surg. 2018 10; 156(4):1641. PMID: 30248801.
    Citations:    Fields:    
  7. Jolley MA, Hammer PE, Ghelani SJ, Adar A, Sleeper LA, Lacro RV, Marx GR, Nathan M, Harrild DM. Three-Dimensional Mitral Valve Morphology in Children and Young Adults With Marfan Syndrome. J Am Soc Echocardiogr. 2018 11; 31(11):1168-1177.e1. PMID: 30098871.
    Citations:    Fields:    
  8. Hammer PE, Baird CW, Del Nido PJ, Marx GR. Dehiscence of patch augmentation of a left-sided atrioventricular valve related to strenuous isometric exercise: Case report and failure analysis. J Thorac Cardiovasc Surg. 2018 10; 156(4):e165-e168. PMID: 29804663.
    Citations:    Fields:    
  9. Wamala I, Saeed M, Ghelani SJ, Gauvreau K, Hammer PE, Vasilyev NV, Del Nido PJ. A leaflet plication clip is an effective surgical template for mitral valve foldoplasty. Eur J Cardiothorac Surg. 2018 05 01; 53(5):939-944. PMID: 29220425.
    Citations:    Fields:    
  10. Villard PF, Hammer PE, Perrin DP, Del Nido PJ, Howe RD. Fast image-based mitral valve simulation from individualized geometry. Int J Med Robot. 2018 Apr; 14(2). PMID: 29356304.
    Citations:    Fields:    Translation:Animals
  11. Karamichalis JM, Hammer PE. Designing valves: An art or science? J Thorac Cardiovasc Surg. 2018 02; 155(2):775-776. PMID: 29198788.
    Citations:    Fields:    
  12. Feins EN, Lee Y, O'Cearbhaill ED, Vasilyev NV, Shimada S, Friehs I, Perrin D, Hammer PE, Yamauchi H, Marx G, Gosline A, Arabagi V, Karp JM, Del Nido PJ. A Growth-Accommodating Implant for Paediatric Applications. Nat Biomed Eng. 2017; 1:818-825. PMID: 29900036.
    Citations:    
  13. Hammer PE, Roberts EG, Emani SM, Del Nido PJ. Surgical reconstruction of semilunar valves in the growing child: Should we mimic the venous valve? A simulation study. J Thorac Cardiovasc Surg. 2017 02; 153(2):389-396. PMID: 27665220.
    Citations:    Fields:    
  14. Hammer PE, Berra I, del Nido PJ. Surgical repair of congenital aortic regurgitation by aortic root reduction: A finite element study. J Biomech. 2015 Nov 05; 48(14):3883-9. PMID: 26456424.
    Citations: 1     Fields:    Translation:HumansAnimals
  15. Pacak CA, Hammer PE, MacKay AA, Dowd RP, Wang KR, Masuzawa A, Sill B, McCully JD, Cowan DB. Superparamagnetic iron oxide nanoparticles function as a long-term, multi-modal imaging label for non-invasive tracking of implanted progenitor cells. PLoS One. 2014; 9(9):e108695. PMID: 25250622.
    Citations: 3     Fields:    Translation:AnimalsCells
  16. Karamanos E, Teixeira PG, Sivrikoz E, Varga S, Chouliaras K, Okoye O, Hammer P. Intracranial pressure versus cerebral perfusion pressure as a marker of outcomes in severe head injury: a prospective evaluation. Am J Surg. 2014 Sep; 208(3):363-71. PMID: 24524863.
    Citations: 1     Fields:    Translation:Humans
  17. Hammer PE, Pacak CA, Howe RD, del Nido PJ. Straightening of curved pattern of collagen fibers under load controls aortic valve shape. J Biomech. 2014 Jan 22; 47(2):341-6. PMID: 24315286.
    Citations: 3     Fields:    Translation:AnimalsCells
  18. Hammer PE, del Nido PJ. Guidelines for sizing pericardium for aortic valve leaflet grafts. Ann Thorac Surg. 2013 Jul; 96(1):e25-7. PMID: 23816114.
    Citations: 1     Fields:    Translation:Humans
  19. Tenenholtz NA, Hammer PE, Fabozzo A, Feins EN, Del Nido PJ, Howe RD. Fast Simulation of Mitral Annuloplasty for Surgical Planning. Funct Imaging Model Heart. 2013 Jun; 7945:106-113. PMID: 29399667.
    Citations:    
  20. Wilbring M, Alexiou K, Tugtekin SM, Sill B, Hammer P, Schmidt T, Simonis G, Matschke K, Kappert U. Transapical transcatheter valve-in-valve implantation for deteriorated mitral valve bioprostheses. Ann Thorac Surg. 2013 Jan; 95(1):111-7. PMID: 23063191.
    Citations: 5     Fields:    Translation:Humans
  21. Hammer PE, Chen PC, del Nido PJ, Howe RD. Computational model of aortic valve surgical repair using grafted pericardium. J Biomech. 2012 Apr 30; 45(7):1199-204. PMID: 22341628.
    Citations: 7     Fields:    Translation:HumansAnimals
  22. Tenenholtz NA, Hammer PE, Schneider RJ, Vasilyev NV, Howe RD. On the Design of an Interactive, Patient-Specific Surgical Simulator for Mitral Valve Repair. Rep U S. 2011 Dec 31; 2011:1327-1332. PMID: 24511427.
    Citations: 5     
  23. Hammer PE, Sacks MS, del Nido PJ, Howe RD. Mass-spring model for simulation of heart valve tissue mechanical behavior. Ann Biomed Eng. 2011 Jun; 39(6):1668-79. PMID: 21350891.
    Citations: 9     Fields:    Translation:HumansAnimals
  24. Sill B, Roy N, Hammer PE, Triedman JK, Sigg DC, Kelly MF, Nedder A, Dunning PS, Cowan DB. Development of an ovine model of pediatric complete heart block. J Surg Res. 2011 Apr; 166(2):e103-8. PMID: 21227467.
    Citations: 1     Fields:    Translation:Animals
  25. Sill B, Hammer PE, Cowan DB. Optical mapping of Langendorff-perfused rat hearts. J Vis Exp. 2009 Aug 11; (30). PMID: 19684567.
    Citations: 3     Fields:    Translation:Animals
  26. Branco DM, Wolf CM, Sherwood M, Hammer PE, Kang PB, Berul CI. Cardiac electrophysiological characteristics of the mdx ( 5cv ) mouse model of Duchenne muscular dystrophy. J Interv Card Electrophysiol. 2007 Nov; 20(1-2):1-7. PMID: 17940855.
    Citations: 6     Fields:    Translation:HumansAnimals
  27. Soul JS, Hammer PE, Tsuji M, Saul JP, Bassan H, Limperopoulos C, Disalvo DN, Moore M, Akins P, Ringer S, Volpe JJ, Trachtenberg F, du Plessis AJ. Fluctuating pressure-passivity is common in the cerebral circulation of sick premature infants. Pediatr Res. 2007 Apr; 61(4):467-73. PMID: 17515873.
    Citations: 77     Fields:    Translation:Humans
  28. Tansey EE, Kwaku KF, Hammer PE, Cowan DB, Federman M, Levitsky S, McCully JD. Reduction and redistribution of gap and adherens junction proteins after ischemia and reperfusion. Ann Thorac Surg. 2006 Oct; 82(4):1472-9. PMID: 16996956.
    Citations: 19     Fields:    Translation:AnimalsCells
  29. Choi YH, Stamm C, Hammer PE, Kwaku KF, Marler JJ, Friehs I, Jones M, Rader CM, Roy N, Eddy MT, Triedman JK, Walsh EP, McGowan FX, del Nido PJ, Cowan DB. Cardiac conduction through engineered tissue. Am J Pathol. 2006 Jul; 169(1):72-85. PMID: 16816362.
    Citations: 23     Fields:    Translation:AnimalsCells
  30. Hammer PE, Saul JP. Resonance in a mathematical model of baroreflex control: arterial blood pressure waves accompanying postural stress. Am J Physiol Regul Integr Comp Physiol. 2005 Jun; 288(6):R1637-48. PMID: 15718393.
    Citations: 15     Fields:    Translation:HumansCellsCTClinical Trials
  31. Maguire CT, Wakimoto H, Patel VV, Hammer PE, Gauvreau K, Berul CI. Implications of ventricular arrhythmia vulnerability during murine electrophysiology studies. Physiol Genomics. 2003 Sep 29; 15(1):84-91. PMID: 12888626.
    Citations: 24     Fields:    Translation:Animals
  32. Moran AM, Friehs I, Takeuchi K, Stamm C, Hammer PE, McGowan FX, del Nido PJ, Colan SD. Noninvasive serial evaluation of myocardial mechanics in pressure overload hypertrophy of rabbit myocardium. Herz. 2003 Feb; 28(1):52-62. PMID: 12616321.
    Citations: 10     Fields:    Translation:Animals
  33. Hammer PE, Brooks DH, Triedman JK. Estimation of entrainment response using electrograms from remote sites: validation in animal and computer models of reentrant tachycardia. J Cardiovasc Electrophysiol. 2003 Jan; 14(1):52-61. PMID: 12625610.
    Citations:    Fields:    Translation:Animals
  34. Gehrmann J, Meister M, Maguire CT, Martins DC, Hammer PE, Neer EJ, Berul CI, Mende U. Impaired parasympathetic heart rate control in mice with a reduction of functional G protein betagamma-subunits. Am J Physiol Heart Circ Physiol. 2002 Feb; 282(2):H445-56. PMID: 11788391.
    Citations: 10     Fields:    Translation:AnimalsCells
  35. Wakimoto H, Maguire CT, Kovoor P, Hammer PE, Gehrmann J, Triedman JK, Berul CI. Induction of atrial tachycardia and fibrillation in the mouse heart. Cardiovasc Res. 2001 Jun; 50(3):463-73. PMID: 11376622.
    Citations: 23     Fields:    Translation:Animals
  36. Gehrmann J, Hammer PE, Maguire CT, Wakimoto H, Triedman JK, Berul CI. Phenotypic screening for heart rate variability in the mouse. Am J Physiol Heart Circ Physiol. 2000 Aug; 279(2):H733-40. PMID: 10924073.
    Citations: 57     Fields:    Translation:HumansAnimals
  37. Hammer P, Litvack D, Saul JP. Interpreting open- and closed-loop transfer relations between cardiorespiratory parameters: lessons learned from a computer model of beat-to-beat cardiovascular regulation. Methods Inf Med. 1997 Dec; 36(4-5):237-40. PMID: 9470367.
    Citations:    Fields:    Translation:Humans
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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.